From b89093a4be8467433b6dbabfa09b57e213a53fe0 Mon Sep 17 00:00:00 2001 From: Peter Breitenlohner Date: Fri, 20 Mar 2009 08:07:15 +0000 Subject: new build system git-svn-id: svn://tug.org/texlive/trunk@12451 c570f23f-e606-0410-a88d-b1316a301751 --- .../zlib/zlib-1.2.3/contrib/testzlib/testzlib.c | 275 ++++ .../zlib/zlib-1.2.3/contrib/testzlib/testzlib.txt | 10 + .../libs/zlib/zlib-1.2.3/contrib/untgz/Makefile | 14 + .../zlib/zlib-1.2.3/contrib/untgz/Makefile.msc | 17 + .../zlib/zlib-1.2.3/contrib/untgz/makefile.w32 | 63 + .../libs/zlib/zlib-1.2.3/contrib/untgz/untgz.c | 674 ++++++++ .../libs/zlib/zlib-1.2.3/contrib/visual-basic.txt | 69 + .../zlib/zlib-1.2.3/contrib/vstudio/readme.txt | 73 + .../zlib-1.2.3/contrib/vstudio/vc7/miniunz.vcproj | 126 ++ .../zlib-1.2.3/contrib/vstudio/vc7/minizip.vcproj | 126 ++ .../zlib-1.2.3/contrib/vstudio/vc7/testzlib.vcproj | 126 ++ .../zlib/zlib-1.2.3/contrib/vstudio/vc7/zlib.rc | 32 + .../zlib-1.2.3/contrib/vstudio/vc7/zlibstat.vcproj | 246 +++ .../zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.def | 92 ++ .../zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.sln | 78 + .../zlib-1.2.3/contrib/vstudio/vc7/zlibvc.vcproj | 445 +++++ .../zlib-1.2.3/contrib/vstudio/vc8/miniunz.vcproj | 566 +++++++ .../zlib-1.2.3/contrib/vstudio/vc8/minizip.vcproj | 563 +++++++ .../zlib-1.2.3/contrib/vstudio/vc8/testzlib.vcproj | 948 +++++++++++ .../contrib/vstudio/vc8/testzlibdll.vcproj | 567 +++++++ .../zlib/zlib-1.2.3/contrib/vstudio/vc8/zlib.rc | 32 + .../zlib-1.2.3/contrib/vstudio/vc8/zlibstat.vcproj | 870 ++++++++++ .../zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.def | 92 ++ .../zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.sln | 144 ++ .../zlib-1.2.3/contrib/vstudio/vc8/zlibvc.vcproj | 1219 ++++++++++++++ Build/source/libs/zlib/zlib-1.2.3/crc32.c | 423 +++++ Build/source/libs/zlib/zlib-1.2.3/crc32.h | 441 +++++ Build/source/libs/zlib/zlib-1.2.3/deflate.c | 1736 ++++++++++++++++++++ Build/source/libs/zlib/zlib-1.2.3/deflate.h | 331 ++++ Build/source/libs/zlib/zlib-1.2.3/example.c | 565 +++++++ .../libs/zlib/zlib-1.2.3/examples/README.examples | 42 + .../source/libs/zlib/zlib-1.2.3/examples/fitblk.c | 233 +++ Build/source/libs/zlib/zlib-1.2.3/examples/gun.c | 693 ++++++++ .../libs/zlib/zlib-1.2.3/examples/gzappend.c | 500 ++++++ .../source/libs/zlib/zlib-1.2.3/examples/gzjoin.c | 448 +++++ Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.c | 413 +++++ Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.h | 58 + .../libs/zlib/zlib-1.2.3/examples/zlib_how.html | 523 ++++++ Build/source/libs/zlib/zlib-1.2.3/examples/zpipe.c | 191 +++ Build/source/libs/zlib/zlib-1.2.3/examples/zran.c | 404 +++++ Build/source/libs/zlib/zlib-1.2.3/gzio.c | 1026 ++++++++++++ Build/source/libs/zlib/zlib-1.2.3/infback.c | 623 +++++++ Build/source/libs/zlib/zlib-1.2.3/inffast.c | 318 ++++ Build/source/libs/zlib/zlib-1.2.3/inffast.h | 11 + Build/source/libs/zlib/zlib-1.2.3/inffixed.h | 94 ++ Build/source/libs/zlib/zlib-1.2.3/inflate.c | 1368 +++++++++++++++ Build/source/libs/zlib/zlib-1.2.3/inflate.h | 115 ++ Build/source/libs/zlib/zlib-1.2.3/inftrees.c | 329 ++++ Build/source/libs/zlib/zlib-1.2.3/inftrees.h | 55 + Build/source/libs/zlib/zlib-1.2.3/make_vms.com | 461 ++++++ Build/source/libs/zlib/zlib-1.2.3/minigzip.c | 322 ++++ .../source/libs/zlib/zlib-1.2.3/msdos/Makefile.bor | 109 ++ .../source/libs/zlib/zlib-1.2.3/msdos/Makefile.dj2 | 104 ++ .../source/libs/zlib/zlib-1.2.3/msdos/Makefile.emx | 69 + .../source/libs/zlib/zlib-1.2.3/msdos/Makefile.msc | 106 ++ .../source/libs/zlib/zlib-1.2.3/msdos/Makefile.tc | 94 ++ .../libs/zlib/zlib-1.2.3/old/Makefile.riscos | 151 ++ Build/source/libs/zlib/zlib-1.2.3/old/README | 3 + Build/source/libs/zlib/zlib-1.2.3/old/descrip.mms | 48 + .../libs/zlib/zlib-1.2.3/old/os2/Makefile.os2 | 136 ++ Build/source/libs/zlib/zlib-1.2.3/old/os2/zlib.def | 51 + .../libs/zlib/zlib-1.2.3/old/visual-basic.txt | 160 ++ Build/source/libs/zlib/zlib-1.2.3/old/zlib.html | 971 +++++++++++ .../libs/zlib/zlib-1.2.3/projects/README.projects | 41 + .../zlib/zlib-1.2.3/projects/visualc6/README.txt | 73 + .../zlib/zlib-1.2.3/projects/visualc6/example.dsp | 278 ++++ .../zlib/zlib-1.2.3/projects/visualc6/minigzip.dsp | 278 ++++ .../zlib/zlib-1.2.3/projects/visualc6/zlib.dsp | 609 +++++++ .../zlib/zlib-1.2.3/projects/visualc6/zlib.dsw | 59 + Build/source/libs/zlib/zlib-1.2.3/qnx/package.qpg | 141 ++ Build/source/libs/zlib/zlib-1.2.3/trees.c | 1219 ++++++++++++++ Build/source/libs/zlib/zlib-1.2.3/trees.h | 128 ++ Build/source/libs/zlib/zlib-1.2.3/uncompr.c | 61 + .../source/libs/zlib/zlib-1.2.3/win32/DLL_FAQ.txt | 397 +++++ .../source/libs/zlib/zlib-1.2.3/win32/Makefile.bor | 107 ++ .../source/libs/zlib/zlib-1.2.3/win32/Makefile.emx | 69 + .../source/libs/zlib/zlib-1.2.3/win32/Makefile.gcc | 141 ++ .../source/libs/zlib/zlib-1.2.3/win32/Makefile.msc | 126 ++ .../source/libs/zlib/zlib-1.2.3/win32/VisualC.txt | 3 + Build/source/libs/zlib/zlib-1.2.3/win32/zlib.def | 60 + Build/source/libs/zlib/zlib-1.2.3/win32/zlib1.rc | 39 + Build/source/libs/zlib/zlib-1.2.3/zconf.in.h | 332 ++++ Build/source/libs/zlib/zlib-1.2.3/zlib.3 | 159 ++ Build/source/libs/zlib/zlib-1.2.3/zlib.h | 1357 +++++++++++++++ Build/source/libs/zlib/zlib-1.2.3/zutil.c | 318 ++++ Build/source/libs/zlib/zlib-1.2.3/zutil.h | 269 +++ Build/source/libs/zlib/zlib.test | 14 + 87 files changed, 27470 insertions(+) create mode 100644 Build/source/libs/zlib/zlib-1.2.3/contrib/testzlib/testzlib.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/contrib/testzlib/testzlib.txt create mode 100644 Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/Makefile create mode 100644 Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/Makefile.msc create mode 100644 Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/makefile.w32 create mode 100644 Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/untgz.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/contrib/visual-basic.txt create mode 100644 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Build/source/libs/zlib/zlib-1.2.3/examples/fitblk.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/examples/gun.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/examples/gzappend.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/examples/gzjoin.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.h create mode 100644 Build/source/libs/zlib/zlib-1.2.3/examples/zlib_how.html create mode 100644 Build/source/libs/zlib/zlib-1.2.3/examples/zpipe.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/examples/zran.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/gzio.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/infback.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/inffast.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/inffast.h create mode 100644 Build/source/libs/zlib/zlib-1.2.3/inffixed.h create mode 100644 Build/source/libs/zlib/zlib-1.2.3/inflate.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/inflate.h create mode 100644 Build/source/libs/zlib/zlib-1.2.3/inftrees.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/inftrees.h create mode 100644 Build/source/libs/zlib/zlib-1.2.3/make_vms.com create mode 100644 Build/source/libs/zlib/zlib-1.2.3/minigzip.c create mode 100644 Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.bor create mode 100644 Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.dj2 create mode 100644 Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.emx create mode 100644 Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.msc create mode 100644 Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.tc create mode 100644 Build/source/libs/zlib/zlib-1.2.3/old/Makefile.riscos create mode 100644 Build/source/libs/zlib/zlib-1.2.3/old/README create mode 100644 Build/source/libs/zlib/zlib-1.2.3/old/descrip.mms create mode 100644 Build/source/libs/zlib/zlib-1.2.3/old/os2/Makefile.os2 create mode 100644 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a/Build/source/libs/zlib/zlib-1.2.3/contrib/testzlib/testzlib.c b/Build/source/libs/zlib/zlib-1.2.3/contrib/testzlib/testzlib.c new file mode 100644 index 00000000000..08a4b4ba2f8 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/testzlib/testzlib.c @@ -0,0 +1,275 @@ +#include +#include +#include + +#include "zlib.h" + + +void MyDoMinus64(LARGE_INTEGER *R,LARGE_INTEGER A,LARGE_INTEGER B) +{ + R->HighPart = A.HighPart - B.HighPart; + if (A.LowPart >= B.LowPart) + R->LowPart = A.LowPart - B.LowPart; + else + { + R->LowPart = A.LowPart - B.LowPart; + R->HighPart --; + } +} + +#ifdef _M_X64 +// see http://msdn2.microsoft.com/library/twchhe95(en-us,vs.80).aspx for __rdtsc +unsigned __int64 __rdtsc(void); +void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64) +{ + // printf("rdtsc = %I64x\n",__rdtsc()); + pbeginTime64->QuadPart=__rdtsc(); +} + +LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER LIres; + unsigned _int64 res=__rdtsc()-((unsigned _int64)(beginTime64.QuadPart)); + LIres.QuadPart=res; + // printf("rdtsc = %I64x\n",__rdtsc()); + return LIres; +} +#else +#ifdef _M_IX86 +void myGetRDTSC32(LARGE_INTEGER * pbeginTime64) +{ + DWORD dwEdx,dwEax; + _asm + { + rdtsc + mov dwEax,eax + mov dwEdx,edx + } + pbeginTime64->LowPart=dwEax; + pbeginTime64->HighPart=dwEdx; +} + +void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64) +{ + myGetRDTSC32(pbeginTime64); +} + +LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER LIres,endTime64; + myGetRDTSC32(&endTime64); + + LIres.LowPart=LIres.HighPart=0; + MyDoMinus64(&LIres,endTime64,beginTime64); + return LIres; +} +#else +void myGetRDTSC32(LARGE_INTEGER * pbeginTime64) +{ +} + +void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64) +{ +} + +LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER lr; + lr.QuadPart=0; + return lr; +} +#endif +#endif + +void BeginCountPerfCounter(LARGE_INTEGER * pbeginTime64,BOOL fComputeTimeQueryPerf) +{ + if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(pbeginTime64))) + { + pbeginTime64->LowPart = GetTickCount(); + pbeginTime64->HighPart = 0; + } +} + +DWORD GetMsecSincePerfCounter(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf) +{ + LARGE_INTEGER endTime64,ticksPerSecond,ticks; + DWORDLONG ticksShifted,tickSecShifted; + DWORD dwLog=16+0; + DWORD dwRet; + if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(&endTime64))) + dwRet = (GetTickCount() - beginTime64.LowPart)*1; + else + { + MyDoMinus64(&ticks,endTime64,beginTime64); + QueryPerformanceFrequency(&ticksPerSecond); + + + { + ticksShifted = Int64ShrlMod32(*(DWORDLONG*)&ticks,dwLog); + tickSecShifted = Int64ShrlMod32(*(DWORDLONG*)&ticksPerSecond,dwLog); + + } + + dwRet = (DWORD)((((DWORD)ticksShifted)*1000)/(DWORD)(tickSecShifted)); + dwRet *=1; + } + return dwRet; +} + +int ReadFileMemory(const char* filename,long* plFileSize,void** pFilePtr) +{ + FILE* stream; + void* ptr; + int retVal=1; + stream=fopen(filename, "rb"); + if (stream==NULL) + return 0; + + fseek(stream,0,SEEK_END); + + *plFileSize=ftell(stream); + fseek(stream,0,SEEK_SET); + ptr=malloc((*plFileSize)+1); + if (ptr==NULL) + retVal=0; + else + { + if (fread(ptr, 1, *plFileSize,stream) != (*plFileSize)) + retVal=0; + } + fclose(stream); + *pFilePtr=ptr; + return retVal; +} + +int main(int argc, char *argv[]) +{ + int BlockSizeCompress=0x8000; + int BlockSizeUncompress=0x8000; + int cprLevel=Z_DEFAULT_COMPRESSION ; + long lFileSize; + unsigned char* FilePtr; + long lBufferSizeCpr; + long lBufferSizeUncpr; + long lCompressedSize=0; + unsigned char* CprPtr; + unsigned char* UncprPtr; + long lSizeCpr,lSizeUncpr; + DWORD dwGetTick,dwMsecQP; + LARGE_INTEGER li_qp,li_rdtsc,dwResRdtsc; + + if (argc<=1) + { + printf("run TestZlib [BlockSizeCompress] [BlockSizeUncompress] [compres. level]\n"); + return 0; + } + + if (ReadFileMemory(argv[1],&lFileSize,&FilePtr)==0) + { + printf("error reading %s\n",argv[1]); + return 1; + } + else printf("file %s read, %u bytes\n",argv[1],lFileSize); + + if (argc>=3) + BlockSizeCompress=atol(argv[2]); + + if (argc>=4) + BlockSizeUncompress=atol(argv[3]); + + if (argc>=5) + cprLevel=(int)atol(argv[4]); + + lBufferSizeCpr = lFileSize + (lFileSize/0x10) + 0x200; + lBufferSizeUncpr = lBufferSizeCpr; + + CprPtr=(unsigned char*)malloc(lBufferSizeCpr + BlockSizeCompress); + + BeginCountPerfCounter(&li_qp,TRUE); + dwGetTick=GetTickCount(); + BeginCountRdtsc(&li_rdtsc); + { + z_stream zcpr; + int ret=Z_OK; + long lOrigToDo = lFileSize; + long lOrigDone = 0; + int step=0; + memset(&zcpr,0,sizeof(z_stream)); + deflateInit(&zcpr,cprLevel); + + zcpr.next_in = FilePtr; + zcpr.next_out = CprPtr; + + + do + { + long all_read_before = zcpr.total_in; + zcpr.avail_in = min(lOrigToDo,BlockSizeCompress); + zcpr.avail_out = BlockSizeCompress; + ret=deflate(&zcpr,(zcpr.avail_in==lOrigToDo) ? Z_FINISH : Z_SYNC_FLUSH); + lOrigDone += (zcpr.total_in-all_read_before); + lOrigToDo -= (zcpr.total_in-all_read_before); + step++; + } while (ret==Z_OK); + + lSizeCpr=zcpr.total_out; + deflateEnd(&zcpr); + dwGetTick=GetTickCount()-dwGetTick; + dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE); + dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE); + printf("total compress size = %u, in %u step\n",lSizeCpr,step); + printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.); + printf("defcpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.); + printf("defcpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart); + } + + CprPtr=(unsigned char*)realloc(CprPtr,lSizeCpr); + UncprPtr=(unsigned char*)malloc(lBufferSizeUncpr + BlockSizeUncompress); + + BeginCountPerfCounter(&li_qp,TRUE); + dwGetTick=GetTickCount(); + BeginCountRdtsc(&li_rdtsc); + { + z_stream zcpr; + int ret=Z_OK; + long lOrigToDo = lSizeCpr; + long lOrigDone = 0; + int step=0; + memset(&zcpr,0,sizeof(z_stream)); + inflateInit(&zcpr); + + zcpr.next_in = CprPtr; + zcpr.next_out = UncprPtr; + + + do + { + long all_read_before = zcpr.total_in; + zcpr.avail_in = min(lOrigToDo,BlockSizeUncompress); + zcpr.avail_out = BlockSizeUncompress; + ret=inflate(&zcpr,Z_SYNC_FLUSH); + lOrigDone += (zcpr.total_in-all_read_before); + lOrigToDo -= (zcpr.total_in-all_read_before); + step++; + } while (ret==Z_OK); + + lSizeUncpr=zcpr.total_out; + inflateEnd(&zcpr); + dwGetTick=GetTickCount()-dwGetTick; + dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE); + dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE); + printf("total uncompress size = %u, in %u step\n",lSizeUncpr,step); + printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.); + printf("uncpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.); + printf("uncpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart); + } + + if (lSizeUncpr==lFileSize) + { + if (memcmp(FilePtr,UncprPtr,lFileSize)==0) + printf("compare ok\n"); + + } + + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/testzlib/testzlib.txt b/Build/source/libs/zlib/zlib-1.2.3/contrib/testzlib/testzlib.txt new file mode 100644 index 00000000000..e508bb22ff4 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/testzlib/testzlib.txt @@ -0,0 +1,10 @@ +To build testzLib with Visual Studio 2005: + +copy to a directory file from : +- root of zLib tree +- contrib/testzlib +- contrib/masmx86 +- contrib/masmx64 +- contrib/vstudio/vc7 + +and open testzlib8.sln \ No newline at end of file diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/Makefile b/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/Makefile new file mode 100644 index 00000000000..b54266fba20 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/Makefile @@ -0,0 +1,14 @@ +CC=cc +CFLAGS=-g + +untgz: untgz.o ../../libz.a + $(CC) $(CFLAGS) -o untgz untgz.o -L../.. -lz + +untgz.o: untgz.c ../../zlib.h + $(CC) $(CFLAGS) -c -I../.. untgz.c + +../../libz.a: + cd ../..; ./configure; make + +clean: + rm -f untgz untgz.o *~ diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/Makefile.msc b/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/Makefile.msc new file mode 100644 index 00000000000..77b86022137 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/Makefile.msc @@ -0,0 +1,17 @@ +CC=cl +CFLAGS=-MD + +untgz.exe: untgz.obj ..\..\zlib.lib + $(CC) $(CFLAGS) untgz.obj ..\..\zlib.lib + +untgz.obj: untgz.c ..\..\zlib.h + $(CC) $(CFLAGS) -c -I..\.. untgz.c + +..\..\zlib.lib: + cd ..\.. + $(MAKE) -f win32\makefile.msc + cd contrib\untgz + +clean: + -del untgz.obj + -del untgz.exe diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/makefile.w32 b/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/makefile.w32 new file mode 100644 index 00000000000..c99dc28cf55 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/makefile.w32 @@ -0,0 +1,63 @@ +# Makefile for zlib. Modified for mingw32 +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, +# +# make -fmakefile.w32 +# + +CC=gcc + +# Generate dependencies (see end of the file) + +CPPFLAGS=-MMD + +#CFLAGS=-MMD -O +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-MMD -g -DDEBUG +CFLAGS=-O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ + -Wstrict-prototypes -Wmissing-prototypes + +# If cp.exe is not found, replace with copy /Y . +CP=cp -f + +# The default value of RM is "rm -f." +# If "rm.exe" is not found, uncomment: +# RM=del + +LD=gcc +LDLIBS=-L. -lz +LDFLAGS=-s + + +INCL=zlib.h zconf.h +LIBS=libz.a + +AR=ar rcs + +OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \ + zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o \ + inffast.o + +TEST_OBJS = minigzip.o untgz.o + +all: minigzip.exe untgz.exe + +rebuild: clean all + +libz.a: $(OBJS) + $(AR) $@ $(OBJS) + +%.exe : %.o $(LIBS) + $(LD) $(LDFLAGS) -o $@ $< $(LDLIBS) + +.PHONY : clean + +clean: + $(RM) *.d *.o *.exe libz.a foo.gz + +DEPS := $(wildcard *.d) +ifneq ($(DEPS),) +include $(DEPS) +endif + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/untgz.c b/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/untgz.c new file mode 100644 index 00000000000..2c391e59867 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/untgz/untgz.c @@ -0,0 +1,674 @@ +/* + * untgz.c -- Display contents and extract files from a gzip'd TAR file + * + * written by Pedro A. Aranda Gutierrez + * adaptation to Unix by Jean-loup Gailly + * various fixes by Cosmin Truta + */ + +#include +#include +#include +#include +#include + +#include "zlib.h" + +#ifdef unix +# include +#else +# include +# include +#endif + +#ifdef WIN32 +#include +# ifndef F_OK +# define F_OK 0 +# endif +# define mkdir(dirname,mode) _mkdir(dirname) +# ifdef _MSC_VER +# define access(path,mode) _access(path,mode) +# define chmod(path,mode) _chmod(path,mode) +# define strdup(str) _strdup(str) +# endif +#else +# include +#endif + + +/* values used in typeflag field */ + +#define REGTYPE '0' /* regular file */ +#define AREGTYPE '\0' /* regular file */ +#define LNKTYPE '1' /* link */ +#define SYMTYPE '2' /* reserved */ +#define CHRTYPE '3' /* character special */ +#define BLKTYPE '4' /* block special */ +#define DIRTYPE '5' /* directory */ +#define FIFOTYPE '6' /* FIFO special */ +#define CONTTYPE '7' /* reserved */ + +/* GNU tar extensions */ + +#define GNUTYPE_DUMPDIR 'D' /* file names from dumped directory */ +#define GNUTYPE_LONGLINK 'K' /* long link name */ +#define GNUTYPE_LONGNAME 'L' /* long file name */ +#define GNUTYPE_MULTIVOL 'M' /* continuation of file from another volume */ +#define GNUTYPE_NAMES 'N' /* file name that does not fit into main hdr */ +#define GNUTYPE_SPARSE 'S' /* sparse file */ +#define GNUTYPE_VOLHDR 'V' /* tape/volume header */ + + +/* tar header */ + +#define BLOCKSIZE 512 +#define SHORTNAMESIZE 100 + +struct tar_header +{ /* byte offset */ + char name[100]; /* 0 */ + char mode[8]; /* 100 */ + char uid[8]; /* 108 */ + char gid[8]; /* 116 */ + char size[12]; /* 124 */ + char mtime[12]; /* 136 */ + char chksum[8]; /* 148 */ + char typeflag; /* 156 */ + char linkname[100]; /* 157 */ + char magic[6]; /* 257 */ + char version[2]; /* 263 */ + char uname[32]; /* 265 */ + char gname[32]; /* 297 */ + char devmajor[8]; /* 329 */ + char devminor[8]; /* 337 */ + char prefix[155]; /* 345 */ + /* 500 */ +}; + +union tar_buffer +{ + char buffer[BLOCKSIZE]; + struct tar_header header; +}; + +struct attr_item +{ + struct attr_item *next; + char *fname; + int mode; + time_t time; +}; + +enum { TGZ_EXTRACT, TGZ_LIST, TGZ_INVALID }; + +char *TGZfname OF((const char *)); +void TGZnotfound OF((const char *)); + +int getoct OF((char *, int)); +char *strtime OF((time_t *)); +int setfiletime OF((char *, time_t)); +void push_attr OF((struct attr_item **, char *, int, time_t)); +void restore_attr OF((struct attr_item **)); + +int ExprMatch OF((char *, char *)); + +int makedir OF((char *)); +int matchname OF((int, int, char **, char *)); + +void error OF((const char *)); +int tar OF((gzFile, int, int, int, char **)); + +void help OF((int)); +int main OF((int, char **)); + +char *prog; + +const char *TGZsuffix[] = { "\0", ".tar", ".tar.gz", ".taz", ".tgz", NULL }; + +/* return the file name of the TGZ archive */ +/* or NULL if it does not exist */ + +char *TGZfname (const char *arcname) +{ + static char buffer[1024]; + int origlen,i; + + strcpy(buffer,arcname); + origlen = strlen(buffer); + + for (i=0; TGZsuffix[i]; i++) + { + strcpy(buffer+origlen,TGZsuffix[i]); + if (access(buffer,F_OK) == 0) + return buffer; + } + return NULL; +} + + +/* error message for the filename */ + +void TGZnotfound (const char *arcname) +{ + int i; + + fprintf(stderr,"%s: Couldn't find ",prog); + for (i=0;TGZsuffix[i];i++) + fprintf(stderr,(TGZsuffix[i+1]) ? "%s%s, " : "or %s%s\n", + arcname, + TGZsuffix[i]); + exit(1); +} + + +/* convert octal digits to int */ +/* on error return -1 */ + +int getoct (char *p,int width) +{ + int result = 0; + char c; + + while (width--) + { + c = *p++; + if (c == 0) + break; + if (c == ' ') + continue; + if (c < '0' || c > '7') + return -1; + result = result * 8 + (c - '0'); + } + return result; +} + + +/* convert time_t to string */ +/* use the "YYYY/MM/DD hh:mm:ss" format */ + +char *strtime (time_t *t) +{ + struct tm *local; + static char result[32]; + + local = localtime(t); + sprintf(result,"%4d/%02d/%02d %02d:%02d:%02d", + local->tm_year+1900, local->tm_mon+1, local->tm_mday, + local->tm_hour, local->tm_min, local->tm_sec); + return result; +} + + +/* set file time */ + +int setfiletime (char *fname,time_t ftime) +{ +#ifdef WIN32 + static int isWinNT = -1; + SYSTEMTIME st; + FILETIME locft, modft; + struct tm *loctm; + HANDLE hFile; + int result; + + loctm = localtime(&ftime); + if (loctm == NULL) + return -1; + + st.wYear = (WORD)loctm->tm_year + 1900; + st.wMonth = (WORD)loctm->tm_mon + 1; + st.wDayOfWeek = (WORD)loctm->tm_wday; + st.wDay = (WORD)loctm->tm_mday; + st.wHour = (WORD)loctm->tm_hour; + st.wMinute = (WORD)loctm->tm_min; + st.wSecond = (WORD)loctm->tm_sec; + st.wMilliseconds = 0; + if (!SystemTimeToFileTime(&st, &locft) || + !LocalFileTimeToFileTime(&locft, &modft)) + return -1; + + if (isWinNT < 0) + isWinNT = (GetVersion() < 0x80000000) ? 1 : 0; + hFile = CreateFile(fname, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, + (isWinNT ? FILE_FLAG_BACKUP_SEMANTICS : 0), + NULL); + if (hFile == INVALID_HANDLE_VALUE) + return -1; + result = SetFileTime(hFile, NULL, NULL, &modft) ? 0 : -1; + CloseHandle(hFile); + return result; +#else + struct utimbuf settime; + + settime.actime = settime.modtime = ftime; + return utime(fname,&settime); +#endif +} + + +/* push file attributes */ + +void push_attr(struct attr_item **list,char *fname,int mode,time_t time) +{ + struct attr_item *item; + + item = (struct attr_item *)malloc(sizeof(struct attr_item)); + if (item == NULL) + error("Out of memory"); + item->fname = strdup(fname); + item->mode = mode; + item->time = time; + item->next = *list; + *list = item; +} + + +/* restore file attributes */ + +void restore_attr(struct attr_item **list) +{ + struct attr_item *item, *prev; + + for (item = *list; item != NULL; ) + { + setfiletime(item->fname,item->time); + chmod(item->fname,item->mode); + prev = item; + item = item->next; + free(prev); + } + *list = NULL; +} + + +/* match regular expression */ + +#define ISSPECIAL(c) (((c) == '*') || ((c) == '/')) + +int ExprMatch (char *string,char *expr) +{ + while (1) + { + if (ISSPECIAL(*expr)) + { + if (*expr == '/') + { + if (*string != '\\' && *string != '/') + return 0; + string ++; expr++; + } + else if (*expr == '*') + { + if (*expr ++ == 0) + return 1; + while (*++string != *expr) + if (*string == 0) + return 0; + } + } + else + { + if (*string != *expr) + return 0; + if (*expr++ == 0) + return 1; + string++; + } + } +} + + +/* recursive mkdir */ +/* abort on ENOENT; ignore other errors like "directory already exists" */ +/* return 1 if OK */ +/* 0 on error */ + +int makedir (char *newdir) +{ + char *buffer = strdup(newdir); + char *p; + int len = strlen(buffer); + + if (len <= 0) { + free(buffer); + return 0; + } + if (buffer[len-1] == '/') { + buffer[len-1] = '\0'; + } + if (mkdir(buffer, 0755) == 0) + { + free(buffer); + return 1; + } + + p = buffer+1; + while (1) + { + char hold; + + while(*p && *p != '\\' && *p != '/') + p++; + hold = *p; + *p = 0; + if ((mkdir(buffer, 0755) == -1) && (errno == ENOENT)) + { + fprintf(stderr,"%s: Couldn't create directory %s\n",prog,buffer); + free(buffer); + return 0; + } + if (hold == 0) + break; + *p++ = hold; + } + free(buffer); + return 1; +} + + +int matchname (int arg,int argc,char **argv,char *fname) +{ + if (arg == argc) /* no arguments given (untgz tgzarchive) */ + return 1; + + while (arg < argc) + if (ExprMatch(fname,argv[arg++])) + return 1; + + return 0; /* ignore this for the moment being */ +} + + +/* tar file list or extract */ + +int tar (gzFile in,int action,int arg,int argc,char **argv) +{ + union tar_buffer buffer; + int len; + int err; + int getheader = 1; + int remaining = 0; + FILE *outfile = NULL; + char fname[BLOCKSIZE]; + int tarmode; + time_t tartime; + struct attr_item *attributes = NULL; + + if (action == TGZ_LIST) + printf(" date time size file\n" + " ---------- -------- --------- -------------------------------------\n"); + while (1) + { + len = gzread(in, &buffer, BLOCKSIZE); + if (len < 0) + error(gzerror(in, &err)); + /* + * Always expect complete blocks to process + * the tar information. + */ + if (len != BLOCKSIZE) + { + action = TGZ_INVALID; /* force error exit */ + remaining = 0; /* force I/O cleanup */ + } + + /* + * If we have to get a tar header + */ + if (getheader >= 1) + { + /* + * if we met the end of the tar + * or the end-of-tar block, + * we are done + */ + if (len == 0 || buffer.header.name[0] == 0) + break; + + tarmode = getoct(buffer.header.mode,8); + tartime = (time_t)getoct(buffer.header.mtime,12); + if (tarmode == -1 || tartime == (time_t)-1) + { + buffer.header.name[0] = 0; + action = TGZ_INVALID; + } + + if (getheader == 1) + { + strncpy(fname,buffer.header.name,SHORTNAMESIZE); + if (fname[SHORTNAMESIZE-1] != 0) + fname[SHORTNAMESIZE] = 0; + } + else + { + /* + * The file name is longer than SHORTNAMESIZE + */ + if (strncmp(fname,buffer.header.name,SHORTNAMESIZE-1) != 0) + error("bad long name"); + getheader = 1; + } + + /* + * Act according to the type flag + */ + switch (buffer.header.typeflag) + { + case DIRTYPE: + if (action == TGZ_LIST) + printf(" %s %s\n",strtime(&tartime),fname); + if (action == TGZ_EXTRACT) + { + makedir(fname); + push_attr(&attributes,fname,tarmode,tartime); + } + break; + case REGTYPE: + case AREGTYPE: + remaining = getoct(buffer.header.size,12); + if (remaining == -1) + { + action = TGZ_INVALID; + break; + } + if (action == TGZ_LIST) + printf(" %s %9d %s\n",strtime(&tartime),remaining,fname); + else if (action == TGZ_EXTRACT) + { + if (matchname(arg,argc,argv,fname)) + { + outfile = fopen(fname,"wb"); + if (outfile == NULL) { + /* try creating directory */ + char *p = strrchr(fname, '/'); + if (p != NULL) { + *p = '\0'; + makedir(fname); + *p = '/'; + outfile = fopen(fname,"wb"); + } + } + if (outfile != NULL) + printf("Extracting %s\n",fname); + else + fprintf(stderr, "%s: Couldn't create %s",prog,fname); + } + else + outfile = NULL; + } + getheader = 0; + break; + case GNUTYPE_LONGLINK: + case GNUTYPE_LONGNAME: + remaining = getoct(buffer.header.size,12); + if (remaining < 0 || remaining >= BLOCKSIZE) + { + action = TGZ_INVALID; + break; + } + len = gzread(in, fname, BLOCKSIZE); + if (len < 0) + error(gzerror(in, &err)); + if (fname[BLOCKSIZE-1] != 0 || (int)strlen(fname) > remaining) + { + action = TGZ_INVALID; + break; + } + getheader = 2; + break; + default: + if (action == TGZ_LIST) + printf(" %s <---> %s\n",strtime(&tartime),fname); + break; + } + } + else + { + unsigned int bytes = (remaining > BLOCKSIZE) ? BLOCKSIZE : remaining; + + if (outfile != NULL) + { + if (fwrite(&buffer,sizeof(char),bytes,outfile) != bytes) + { + fprintf(stderr, + "%s: Error writing %s -- skipping\n",prog,fname); + fclose(outfile); + outfile = NULL; + remove(fname); + } + } + remaining -= bytes; + } + + if (remaining == 0) + { + getheader = 1; + if (outfile != NULL) + { + fclose(outfile); + outfile = NULL; + if (action != TGZ_INVALID) + push_attr(&attributes,fname,tarmode,tartime); + } + } + + /* + * Abandon if errors are found + */ + if (action == TGZ_INVALID) + { + error("broken archive"); + break; + } + } + + /* + * Restore file modes and time stamps + */ + restore_attr(&attributes); + + if (gzclose(in) != Z_OK) + error("failed gzclose"); + + return 0; +} + + +/* ============================================================ */ + +void help(int exitval) +{ + printf("untgz version 0.2.1\n" + " using zlib version %s\n\n", + zlibVersion()); + printf("Usage: untgz file.tgz extract all files\n" + " untgz file.tgz fname ... extract selected files\n" + " untgz -l file.tgz list archive contents\n" + " untgz -h display this help\n"); + exit(exitval); +} + +void error(const char *msg) +{ + fprintf(stderr, "%s: %s\n", prog, msg); + exit(1); +} + + +/* ============================================================ */ + +#if defined(WIN32) && defined(__GNUC__) +int _CRT_glob = 0; /* disable argument globbing in MinGW */ +#endif + +int main(int argc,char **argv) +{ + int action = TGZ_EXTRACT; + int arg = 1; + char *TGZfile; + gzFile *f; + + prog = strrchr(argv[0],'\\'); + if (prog == NULL) + { + prog = strrchr(argv[0],'/'); + if (prog == NULL) + { + prog = strrchr(argv[0],':'); + if (prog == NULL) + prog = argv[0]; + else + prog++; + } + else + prog++; + } + else + prog++; + + if (argc == 1) + help(0); + + if (strcmp(argv[arg],"-l") == 0) + { + action = TGZ_LIST; + if (argc == ++arg) + help(0); + } + else if (strcmp(argv[arg],"-h") == 0) + { + help(0); + } + + if ((TGZfile = TGZfname(argv[arg])) == NULL) + TGZnotfound(argv[arg]); + + ++arg; + if ((action == TGZ_LIST) && (arg != argc)) + help(1); + +/* + * Process the TGZ file + */ + switch(action) + { + case TGZ_LIST: + case TGZ_EXTRACT: + f = gzopen(TGZfile,"rb"); + if (f == NULL) + { + fprintf(stderr,"%s: Couldn't gzopen %s\n",prog,TGZfile); + return 1; + } + exit(tar(f, action, arg, argc, argv)); + break; + + default: + error("Unknown option"); + exit(1); + } + + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/visual-basic.txt b/Build/source/libs/zlib/zlib-1.2.3/contrib/visual-basic.txt new file mode 100644 index 00000000000..10fb44bc593 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/visual-basic.txt @@ -0,0 +1,69 @@ +See below some functions declarations for Visual Basic. + +Frequently Asked Question: + +Q: Each time I use the compress function I get the -5 error (not enough + room in the output buffer). + +A: Make sure that the length of the compressed buffer is passed by + reference ("as any"), not by value ("as long"). Also check that + before the call of compress this length is equal to the total size of + the compressed buffer and not zero. + + +From: "Jon Caruana" +Subject: Re: How to port zlib declares to vb? +Date: Mon, 28 Oct 1996 18:33:03 -0600 + +Got the answer! (I haven't had time to check this but it's what I got, and +looks correct): + +He has the following routines working: + compress + uncompress + gzopen + gzwrite + gzread + gzclose + +Declares follow: (Quoted from Carlos Rios , in Vb4 form) + +#If Win16 Then 'Use Win16 calls. +Declare Function compress Lib "ZLIB.DLL" (ByVal compr As + String, comprLen As Any, ByVal buf As String, ByVal buflen + As Long) As Integer +Declare Function uncompress Lib "ZLIB.DLL" (ByVal uncompr + As String, uncomprLen As Any, ByVal compr As String, ByVal + lcompr As Long) As Integer +Declare Function gzopen Lib "ZLIB.DLL" (ByVal filePath As + String, ByVal mode As String) As Long +Declare Function gzread Lib "ZLIB.DLL" (ByVal file As + Long, ByVal uncompr As String, ByVal uncomprLen As Integer) + As Integer +Declare Function gzwrite Lib "ZLIB.DLL" (ByVal file As + Long, ByVal uncompr As String, ByVal uncomprLen As Integer) + As Integer +Declare Function gzclose Lib "ZLIB.DLL" (ByVal file As + Long) As Integer +#Else +Declare Function compress Lib "ZLIB32.DLL" + (ByVal compr As String, comprLen As Any, ByVal buf As + String, ByVal buflen As Long) As Integer +Declare Function uncompress Lib "ZLIB32.DLL" + (ByVal uncompr As String, uncomprLen As Any, ByVal compr As + String, ByVal lcompr As Long) As Long +Declare Function gzopen Lib "ZLIB32.DLL" + (ByVal file As String, ByVal mode As String) As Long +Declare Function gzread Lib "ZLIB32.DLL" + (ByVal file As Long, ByVal uncompr As String, ByVal + uncomprLen As Long) As Long +Declare Function gzwrite Lib "ZLIB32.DLL" + (ByVal file As Long, ByVal uncompr As String, ByVal + uncomprLen As Long) As Long +Declare Function gzclose Lib "ZLIB32.DLL" + (ByVal file As Long) As Long +#End If + +-Jon Caruana +jon-net@usa.net +Microsoft Sitebuilder Network Level 1 Member - HTML Writer's Guild Member diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/readme.txt b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/readme.txt new file mode 100644 index 00000000000..9d931f93007 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/readme.txt @@ -0,0 +1,73 @@ +Building instructions for the DLL versions of Zlib 1.2.3 +======================================================== + +This directory contains projects that build zlib and minizip using +Microsoft Visual C++ 7.0/7.1, and Visual C++ . + +You don't need to build these projects yourself. You can download the +binaries from: + http://www.winimage.com/zLibDll + +More information can be found at this site. + + +Build instructions for Visual Studio 7.x (32 bits) +-------------------------------------------------- +- Uncompress current zlib, including all contrib/* files +- Download the crtdll library from + http://www.winimage.com/zLibDll/crtdll.zip + Unzip crtdll.zip to extract crtdll.lib on contrib\vstudio\vc7. +- Open contrib\vstudio\vc7\zlibvc.sln with Microsoft Visual C++ 7.x + (Visual Studio .Net 2002 or 2003). + +Build instructions for Visual Studio 2005 (32 bits or 64 bits) +-------------------------------------------------------------- +- Uncompress current zlib, including all contrib/* files +- For 32 bits only: download the crtdll library from + http://www.winimage.com/zLibDll/crtdll.zip + Unzip crtdll.zip to extract crtdll.lib on contrib\vstudio\vc8. +- Open contrib\vstudio\vc8\zlibvc.sln with Microsoft Visual C++ 8.0 + +Build instructions for Visual Studio 2005 64 bits, PSDK compiler +---------------------------------------------------------------- +at the time of writing this text file, Visual Studio 2005 (and + Microsoft Visual C++ 8.0) is on the beta 2 stage. +Using you can get the free 64 bits compiler from Platform SDK, + which is NOT a beta, and compile using the Visual studio 2005 IDE +see http://www.winimage.com/misc/sdk64onvs2005/ for instruction + +- Uncompress current zlib, including all contrib/* files +- start Visual Studio 2005 from a platform SDK command prompt, using + the /useenv switch +- Open contrib\vstudio\vc8\zlibvc.sln with Microsoft Visual C++ 8.0 + + +Important +--------- +- To use zlibwapi.dll in your application, you must define the + macro ZLIB_WINAPI when compiling your application's source files. + + +Additional notes +---------------- +- This DLL, named zlibwapi.dll, is compatible to the old zlib.dll built + by Gilles Vollant from the zlib 1.1.x sources, and distributed at + http://www.winimage.com/zLibDll + It uses the WINAPI calling convention for the exported functions, and + includes the minizip functionality. If your application needs that + particular build of zlib.dll, you can rename zlibwapi.dll to zlib.dll. + +- The new DLL was renamed because there exist several incompatible + versions of zlib.dll on the Internet. + +- There is also an official DLL build of zlib, named zlib1.dll. This one + is exporting the functions using the CDECL convention. See the file + win32\DLL_FAQ.txt found in this zlib distribution. + +- There used to be a ZLIB_DLL macro in zlib 1.1.x, but now this symbol + has a slightly different effect. To avoid compatibility problems, do + not define it here. + + +Gilles Vollant +info@winimage.com diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/miniunz.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/miniunz.vcproj new file mode 100644 index 00000000000..4a1f6ada7dd --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/miniunz.vcproj @@ -0,0 +1,126 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/minizip.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/minizip.vcproj new file mode 100644 index 00000000000..04a65285ee9 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/minizip.vcproj @@ -0,0 +1,126 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/testzlib.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/testzlib.vcproj new file mode 100644 index 00000000000..2ca03a6c48b --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/testzlib.vcproj @@ -0,0 +1,126 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlib.rc b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlib.rc new file mode 100644 index 00000000000..58f756722f7 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlib.rc @@ -0,0 +1,32 @@ +#include + +#define IDR_VERSION1 1 +IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE + FILEVERSION 1,2,3,0 + PRODUCTVERSION 1,2,3,0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK + FILEFLAGS 0 + FILEOS VOS_DOS_WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + + BEGIN + VALUE "FileDescription", "zlib data compression library\0" + VALUE "FileVersion", "1.2.3.0\0" + VALUE "InternalName", "zlib\0" + VALUE "OriginalFilename", "zlib.dll\0" + VALUE "ProductName", "ZLib.DLL\0" + VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" + VALUE "LegalCopyright", "(C) 1995-2003 Jean-loup Gailly & Mark Adler\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibstat.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibstat.vcproj new file mode 100644 index 00000000000..2fdbbc4a0dd --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibstat.vcproj @@ -0,0 +1,246 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.def b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.def new file mode 100644 index 00000000000..74dfdb8af14 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.def @@ -0,0 +1,92 @@ + +VERSION 1.23 + +HEAPSIZE 1048576,8192 + +EXPORTS + adler32 @1 + compress @2 + crc32 @3 + deflate @4 + deflateCopy @5 + deflateEnd @6 + deflateInit2_ @7 + deflateInit_ @8 + deflateParams @9 + deflateReset @10 + deflateSetDictionary @11 + gzclose @12 + gzdopen @13 + gzerror @14 + gzflush @15 + gzopen @16 + gzread @17 + gzwrite @18 + inflate @19 + inflateEnd @20 + inflateInit2_ @21 + inflateInit_ @22 + inflateReset @23 + inflateSetDictionary @24 + inflateSync @25 + uncompress @26 + zlibVersion @27 + gzprintf @28 + gzputc @29 + gzgetc @30 + gzseek @31 + gzrewind @32 + gztell @33 + gzeof @34 + gzsetparams @35 + zError @36 + inflateSyncPoint @37 + get_crc_table @38 + compress2 @39 + gzputs @40 + gzgets @41 + inflateCopy @42 + inflateBackInit_ @43 + inflateBack @44 + inflateBackEnd @45 + compressBound @46 + deflateBound @47 + gzclearerr @48 + gzungetc @49 + zlibCompileFlags @50 + deflatePrime @51 + + unzOpen @61 + unzClose @62 + unzGetGlobalInfo @63 + unzGetCurrentFileInfo @64 + unzGoToFirstFile @65 + unzGoToNextFile @66 + unzOpenCurrentFile @67 + unzReadCurrentFile @68 + unzOpenCurrentFile3 @69 + unztell @70 + unzeof @71 + unzCloseCurrentFile @72 + unzGetGlobalComment @73 + unzStringFileNameCompare @74 + unzLocateFile @75 + unzGetLocalExtrafield @76 + unzOpen2 @77 + unzOpenCurrentFile2 @78 + unzOpenCurrentFilePassword @79 + + zipOpen @80 + zipOpenNewFileInZip @81 + zipWriteInFileInZip @82 + zipCloseFileInZip @83 + zipClose @84 + zipOpenNewFileInZip2 @86 + zipCloseFileInZipRaw @87 + zipOpen2 @88 + zipOpenNewFileInZip3 @89 + + unzGetFilePos @100 + unzGoToFilePos @101 + + fill_win32_filefunc @110 diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.sln b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.sln new file mode 100644 index 00000000000..927b42b7bde --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.sln @@ -0,0 +1,78 @@ +Microsoft Visual Studio Solution File, Format Version 7.00 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibstat", "zlibstat.vcproj", "{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibvc", "zlibvc.vcproj", "{8FD826F8-3739-44E6-8CC8-997122E53B8D}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "minizip", "minizip.vcproj", "{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "miniunz", "miniunz.vcproj", "{C52F9E7B-498A-42BE-8DB4-85A15694382A}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testZlibDll", "testzlib.vcproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654C}" +EndProject +Global + GlobalSection(SolutionConfiguration) = preSolution + ConfigName.0 = Debug + ConfigName.1 = Release + ConfigName.2 = ReleaseAxp + ConfigName.3 = ReleaseWithoutAsm + ConfigName.4 = ReleaseWithoutCrtdll + EndGlobalSection + GlobalSection(ProjectDependencies) = postSolution + EndGlobalSection + GlobalSection(ProjectConfiguration) = postSolution + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug.Build.0 = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release.Build.0 = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseAxp.ActiveCfg = ReleaseAxp|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseAxp.Build.0 = ReleaseAxp|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm.ActiveCfg = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm.Build.0 = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutCrtdll.ActiveCfg = ReleaseAxp|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutCrtdll.Build.0 = ReleaseAxp|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug.Build.0 = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release.Build.0 = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseAxp.ActiveCfg = ReleaseAxp|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseAxp.Build.0 = ReleaseAxp|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm.Build.0 = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutCrtdll.ActiveCfg = ReleaseWithoutCrtdll|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutCrtdll.Build.0 = ReleaseWithoutCrtdll|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug.ActiveCfg = Debug|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug.Build.0 = Debug|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release.Build.0 = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseAxp.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseAxp.Build.0 = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm.Build.0 = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutCrtdll.ActiveCfg = Release|Win32 + {48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutCrtdll.Build.0 = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug.ActiveCfg = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug.Build.0 = Debug|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release.Build.0 = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseAxp.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseAxp.Build.0 = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutAsm.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutAsm.Build.0 = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutCrtdll.ActiveCfg = Release|Win32 + {C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutCrtdll.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.Debug.ActiveCfg = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.Debug.Build.0 = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.Release.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.Release.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.ReleaseAxp.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.ReleaseAxp.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.ReleaseWithoutAsm.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.ReleaseWithoutAsm.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.ReleaseWithoutCrtdll.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654C}.ReleaseWithoutCrtdll.Build.0 = Release|Win32 + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + EndGlobalSection + GlobalSection(ExtensibilityAddIns) = postSolution + EndGlobalSection +EndGlobal diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.vcproj new file mode 100644 index 00000000000..90a2f12b462 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc7/zlibvc.vcproj @@ -0,0 +1,445 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/miniunz.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/miniunz.vcproj new file mode 100644 index 00000000000..8f3d47b8e0f --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/miniunz.vcproj @@ -0,0 +1,566 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/minizip.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/minizip.vcproj new file mode 100644 index 00000000000..184e0ec32e2 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/minizip.vcproj @@ -0,0 +1,563 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/testzlib.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/testzlib.vcproj new file mode 100644 index 00000000000..e3cc971a126 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/testzlib.vcproj @@ -0,0 +1,948 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/testzlibdll.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/testzlibdll.vcproj new file mode 100644 index 00000000000..b1a8d4850e1 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/testzlibdll.vcproj @@ -0,0 +1,567 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlib.rc b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlib.rc new file mode 100644 index 00000000000..58f756722f7 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlib.rc @@ -0,0 +1,32 @@ +#include + +#define IDR_VERSION1 1 +IDR_VERSION1 VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE + FILEVERSION 1,2,3,0 + PRODUCTVERSION 1,2,3,0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK + FILEFLAGS 0 + FILEOS VOS_DOS_WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + + BEGIN + VALUE "FileDescription", "zlib data compression library\0" + VALUE "FileVersion", "1.2.3.0\0" + VALUE "InternalName", "zlib\0" + VALUE "OriginalFilename", "zlib.dll\0" + VALUE "ProductName", "ZLib.DLL\0" + VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" + VALUE "LegalCopyright", "(C) 1995-2003 Jean-loup Gailly & Mark Adler\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibstat.vcproj b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibstat.vcproj new file mode 100644 index 00000000000..3c7d1bdc089 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibstat.vcproj @@ -0,0 +1,870 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.def b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.def new file mode 100644 index 00000000000..74dfdb8af14 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.def @@ -0,0 +1,92 @@ + +VERSION 1.23 + +HEAPSIZE 1048576,8192 + +EXPORTS + adler32 @1 + compress @2 + crc32 @3 + deflate @4 + deflateCopy @5 + deflateEnd @6 + deflateInit2_ @7 + deflateInit_ @8 + deflateParams @9 + deflateReset @10 + deflateSetDictionary @11 + gzclose @12 + gzdopen @13 + gzerror @14 + gzflush @15 + gzopen @16 + gzread @17 + gzwrite @18 + inflate @19 + inflateEnd @20 + inflateInit2_ @21 + inflateInit_ @22 + inflateReset @23 + inflateSetDictionary @24 + inflateSync @25 + uncompress @26 + zlibVersion @27 + gzprintf @28 + gzputc @29 + gzgetc @30 + gzseek @31 + gzrewind @32 + gztell @33 + gzeof @34 + gzsetparams @35 + zError @36 + inflateSyncPoint @37 + get_crc_table @38 + compress2 @39 + gzputs @40 + gzgets @41 + inflateCopy @42 + inflateBackInit_ @43 + inflateBack @44 + inflateBackEnd @45 + compressBound @46 + deflateBound @47 + gzclearerr @48 + gzungetc @49 + zlibCompileFlags @50 + deflatePrime @51 + + unzOpen @61 + unzClose @62 + unzGetGlobalInfo @63 + unzGetCurrentFileInfo @64 + unzGoToFirstFile @65 + unzGoToNextFile @66 + unzOpenCurrentFile @67 + unzReadCurrentFile @68 + unzOpenCurrentFile3 @69 + unztell @70 + unzeof @71 + unzCloseCurrentFile @72 + unzGetGlobalComment @73 + unzStringFileNameCompare @74 + unzLocateFile @75 + unzGetLocalExtrafield @76 + unzOpen2 @77 + unzOpenCurrentFile2 @78 + unzOpenCurrentFilePassword @79 + + zipOpen @80 + zipOpenNewFileInZip @81 + zipWriteInFileInZip @82 + zipCloseFileInZip @83 + zipClose @84 + zipOpenNewFileInZip2 @86 + zipCloseFileInZipRaw @87 + zipOpen2 @88 + zipOpenNewFileInZip3 @89 + + unzGetFilePos @100 + unzGoToFilePos @101 + + fill_win32_filefunc @110 diff --git a/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.sln b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.sln new file mode 100644 index 00000000000..a815a5549f6 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.sln @@ -0,0 +1,144 @@ + +Microsoft Visual Studio Solution File, Format Version 9.00 +# Visual Studio 2005 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibvc", "zlibvc.vcproj", "{8FD826F8-3739-44E6-8CC8-997122E53B8D}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibstat", "zlibstat.vcproj", "{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlib", "testzlib.vcproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "TestZlibDll", "testzlibdll.vcproj", "{C52F9E7B-498A-42BE-8DB4-85A15694366A}" + ProjectSection(ProjectDependencies) = postProject + {8FD826F8-3739-44E6-8CC8-997122E53B8D} = {8FD826F8-3739-44E6-8CC8-997122E53B8D} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "minizip", "minizip.vcproj", "{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}" + ProjectSection(ProjectDependencies) = postProject + {8FD826F8-3739-44E6-8CC8-997122E53B8D} = {8FD826F8-3739-44E6-8CC8-997122E53B8D} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "miniunz", "miniunz.vcproj", "{C52F9E7B-498A-42BE-8DB4-85A15694382A}" + ProjectSection(ProjectDependencies) = postProject + {8FD826F8-3739-44E6-8CC8-997122E53B8D} = {8FD826F8-3739-44E6-8CC8-997122E53B8D} + EndProjectSection +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Itanium = Debug|Itanium + Debug|Win32 = Debug|Win32 + Debug|x64 = Debug|x64 + Release|Itanium = Release|Itanium + Release|Win32 = Release|Win32 + Release|x64 = Release|x64 + ReleaseWithoutAsm|Itanium = ReleaseWithoutAsm|Itanium + ReleaseWithoutAsm|Win32 = ReleaseWithoutAsm|Win32 + ReleaseWithoutAsm|x64 = ReleaseWithoutAsm|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.ActiveCfg = Debug|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.Build.0 = Debug|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.ActiveCfg = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.Build.0 = Debug|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.ActiveCfg = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.Build.0 = Debug|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.ActiveCfg = Release|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.Build.0 = Release|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.ActiveCfg = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.Build.0 = Release|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.Build.0 = ReleaseWithoutAsm|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.Build.0 = ReleaseWithoutAsm|Itanium + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.ActiveCfg = Debug|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.Build.0 = Debug|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.ActiveCfg = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.Build.0 = Debug|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.ActiveCfg = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.Build.0 = Debug|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.ActiveCfg = Release|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.Build.0 = Release|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.ActiveCfg = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.Build.0 = Release|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.ActiveCfg = Release|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.Build.0 = Release|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Itanium.Build.0 = ReleaseWithoutAsm|Itanium + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.ActiveCfg = Debug|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.Build.0 = Debug|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.ActiveCfg = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.Build.0 = Release|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.Build.0 = ReleaseWithoutAsm|Itanium + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64 + {AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64 + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Itanium.ActiveCfg = Debug|Itanium + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Itanium.Build.0 = Debug|Itanium + {C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.ActiveCfg = Debug|Win32 + 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b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.vcproj new file mode 100644 index 00000000000..bd4b7a19fd6 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/contrib/vstudio/vc8/zlibvc.vcproj @@ -0,0 +1,1219 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/crc32.c b/Build/source/libs/zlib/zlib-1.2.3/crc32.c new file mode 100644 index 00000000000..f658a9ef55e --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/crc32.c @@ -0,0 +1,423 @@ +/* crc32.c -- compute the CRC-32 of a data stream + * Copyright (C) 1995-2005 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + * + * Thanks to Rodney Brown for his contribution of faster + * CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing + * tables for updating the shift register in one step with three exclusive-ors + * instead of four steps with four exclusive-ors. This results in about a + * factor of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3. + */ + +/* @(#) $Id$ */ + +/* + Note on the use of DYNAMIC_CRC_TABLE: there is no mutex or semaphore + protection on the static variables used to control the first-use generation + of the crc tables. Therefore, if you #define DYNAMIC_CRC_TABLE, you should + first call get_crc_table() to initialize the tables before allowing more than + one thread to use crc32(). + */ + +#ifdef MAKECRCH +# include +# ifndef DYNAMIC_CRC_TABLE +# define DYNAMIC_CRC_TABLE +# endif /* !DYNAMIC_CRC_TABLE */ +#endif /* MAKECRCH */ + +#include "zutil.h" /* for STDC and FAR definitions */ + +#define local static + +/* Find a four-byte integer type for crc32_little() and crc32_big(). */ +#ifndef NOBYFOUR +# ifdef STDC /* need ANSI C limits.h to determine sizes */ +# include +# define BYFOUR +# if (UINT_MAX == 0xffffffffUL) + typedef unsigned int u4; +# else +# if (ULONG_MAX == 0xffffffffUL) + typedef unsigned long u4; +# else +# if (USHRT_MAX == 0xffffffffUL) + typedef unsigned short u4; +# else +# undef BYFOUR /* can't find a four-byte integer type! */ +# endif +# endif +# endif +# endif /* STDC */ +#endif /* !NOBYFOUR */ + +/* Definitions for doing the crc four data bytes at a time. */ +#ifdef BYFOUR +# define REV(w) (((w)>>24)+(((w)>>8)&0xff00)+ \ + (((w)&0xff00)<<8)+(((w)&0xff)<<24)) + local unsigned long crc32_little OF((unsigned long, + const unsigned char FAR *, unsigned)); + local unsigned long crc32_big OF((unsigned long, + const unsigned char FAR *, unsigned)); +# define TBLS 8 +#else +# define TBLS 1 +#endif /* BYFOUR */ + +/* Local functions for crc concatenation */ +local unsigned long gf2_matrix_times OF((unsigned long *mat, + unsigned long vec)); +local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat)); + +#ifdef DYNAMIC_CRC_TABLE + +local volatile int crc_table_empty = 1; +local unsigned long FAR crc_table[TBLS][256]; +local void make_crc_table OF((void)); +#ifdef MAKECRCH + local void write_table OF((FILE *, const unsigned long FAR *)); +#endif /* MAKECRCH */ +/* + Generate tables for a byte-wise 32-bit CRC calculation on the polynomial: + x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1. + + Polynomials over GF(2) are represented in binary, one bit per coefficient, + with the lowest powers in the most significant bit. Then adding polynomials + is just exclusive-or, and multiplying a polynomial by x is a right shift by + one. If we call the above polynomial p, and represent a byte as the + polynomial q, also with the lowest power in the most significant bit (so the + byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p, + where a mod b means the remainder after dividing a by b. + + This calculation is done using the shift-register method of multiplying and + taking the remainder. The register is initialized to zero, and for each + incoming bit, x^32 is added mod p to the register if the bit is a one (where + x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by + x (which is shifting right by one and adding x^32 mod p if the bit shifted + out is a one). We start with the highest power (least significant bit) of + q and repeat for all eight bits of q. + + The first table is simply the CRC of all possible eight bit values. This is + all the information needed to generate CRCs on data a byte at a time for all + combinations of CRC register values and incoming bytes. The remaining tables + allow for word-at-a-time CRC calculation for both big-endian and little- + endian machines, where a word is four bytes. +*/ +local void make_crc_table() +{ + unsigned long c; + int n, k; + unsigned long poly; /* polynomial exclusive-or pattern */ + /* terms of polynomial defining this crc (except x^32): */ + static volatile int first = 1; /* flag to limit concurrent making */ + static const unsigned char p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26}; + + /* See if another task is already doing this (not thread-safe, but better + than nothing -- significantly reduces duration of vulnerability in + case the advice about DYNAMIC_CRC_TABLE is ignored) */ + if (first) { + first = 0; + + /* make exclusive-or pattern from polynomial (0xedb88320UL) */ + poly = 0UL; + for (n = 0; n < sizeof(p)/sizeof(unsigned char); n++) + poly |= 1UL << (31 - p[n]); + + /* generate a crc for every 8-bit value */ + for (n = 0; n < 256; n++) { + c = (unsigned long)n; + for (k = 0; k < 8; k++) + c = c & 1 ? poly ^ (c >> 1) : c >> 1; + crc_table[0][n] = c; + } + +#ifdef BYFOUR + /* generate crc for each value followed by one, two, and three zeros, + and then the byte reversal of those as well as the first table */ + for (n = 0; n < 256; n++) { + c = crc_table[0][n]; + crc_table[4][n] = REV(c); + for (k = 1; k < 4; k++) { + c = crc_table[0][c & 0xff] ^ (c >> 8); + crc_table[k][n] = c; + crc_table[k + 4][n] = REV(c); + } + } +#endif /* BYFOUR */ + + crc_table_empty = 0; + } + else { /* not first */ + /* wait for the other guy to finish (not efficient, but rare) */ + while (crc_table_empty) + ; + } + +#ifdef MAKECRCH + /* write out CRC tables to crc32.h */ + { + FILE *out; + + out = fopen("crc32.h", "w"); + if (out == NULL) return; + fprintf(out, "/* crc32.h -- tables for rapid CRC calculation\n"); + fprintf(out, " * Generated automatically by crc32.c\n */\n\n"); + fprintf(out, "local const unsigned long FAR "); + fprintf(out, "crc_table[TBLS][256] =\n{\n {\n"); + write_table(out, crc_table[0]); +# ifdef BYFOUR + fprintf(out, "#ifdef BYFOUR\n"); + for (k = 1; k < 8; k++) { + fprintf(out, " },\n {\n"); + write_table(out, crc_table[k]); + } + fprintf(out, "#endif\n"); +# endif /* BYFOUR */ + fprintf(out, " }\n};\n"); + fclose(out); + } +#endif /* MAKECRCH */ +} + +#ifdef MAKECRCH +local void write_table(out, table) + FILE *out; + const unsigned long FAR *table; +{ + int n; + + for (n = 0; n < 256; n++) + fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : " ", table[n], + n == 255 ? "\n" : (n % 5 == 4 ? ",\n" : ", ")); +} +#endif /* MAKECRCH */ + +#else /* !DYNAMIC_CRC_TABLE */ +/* ======================================================================== + * Tables of CRC-32s of all single-byte values, made by make_crc_table(). + */ +#include "crc32.h" +#endif /* DYNAMIC_CRC_TABLE */ + +/* ========================================================================= + * This function can be used by asm versions of crc32() + */ +const unsigned long FAR * ZEXPORT get_crc_table() +{ +#ifdef DYNAMIC_CRC_TABLE + if (crc_table_empty) + make_crc_table(); +#endif /* DYNAMIC_CRC_TABLE */ + return (const unsigned long FAR *)crc_table; +} + +/* ========================================================================= */ +#define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8) +#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1 + +/* ========================================================================= */ +unsigned long ZEXPORT crc32(crc, buf, len) + unsigned long crc; + const unsigned char FAR *buf; + unsigned len; +{ + if (buf == Z_NULL) return 0UL; + +#ifdef DYNAMIC_CRC_TABLE + if (crc_table_empty) + make_crc_table(); +#endif /* DYNAMIC_CRC_TABLE */ + +#ifdef BYFOUR + if (sizeof(void *) == sizeof(ptrdiff_t)) { + u4 endian; + + endian = 1; + if (*((unsigned char *)(&endian))) + return crc32_little(crc, buf, len); + else + return crc32_big(crc, buf, len); + } +#endif /* BYFOUR */ + crc = crc ^ 0xffffffffUL; + while (len >= 8) { + DO8; + len -= 8; + } + if (len) do { + DO1; + } while (--len); + return crc ^ 0xffffffffUL; +} + +#ifdef BYFOUR + +/* ========================================================================= */ +#define DOLIT4 c ^= *buf4++; \ + c = crc_table[3][c & 0xff] ^ crc_table[2][(c >> 8) & 0xff] ^ \ + crc_table[1][(c >> 16) & 0xff] ^ crc_table[0][c >> 24] +#define DOLIT32 DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4 + +/* ========================================================================= */ +local unsigned long crc32_little(crc, buf, len) + unsigned long crc; + const unsigned char FAR *buf; + unsigned len; +{ + register u4 c; + register const u4 FAR *buf4; + + c = (u4)crc; + c = ~c; + while (len && ((ptrdiff_t)buf & 3)) { + c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8); + len--; + } + + buf4 = (const u4 FAR *)(const void FAR *)buf; + while (len >= 32) { + DOLIT32; + len -= 32; + } + while (len >= 4) { + DOLIT4; + len -= 4; + } + buf = (const unsigned char FAR *)buf4; + + if (len) do { + c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8); + } while (--len); + c = ~c; + return (unsigned long)c; +} + +/* ========================================================================= */ +#define DOBIG4 c ^= *++buf4; \ + c = crc_table[4][c & 0xff] ^ crc_table[5][(c >> 8) & 0xff] ^ \ + crc_table[6][(c >> 16) & 0xff] ^ crc_table[7][c >> 24] +#define DOBIG32 DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4 + +/* ========================================================================= */ +local unsigned long crc32_big(crc, buf, len) + unsigned long crc; + const unsigned char FAR *buf; + unsigned len; +{ + register u4 c; + register const u4 FAR *buf4; + + c = REV((u4)crc); + c = ~c; + while (len && ((ptrdiff_t)buf & 3)) { + c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8); + len--; + } + + buf4 = (const u4 FAR *)(const void FAR *)buf; + buf4--; + while (len >= 32) { + DOBIG32; + len -= 32; + } + while (len >= 4) { + DOBIG4; + len -= 4; + } + buf4++; + buf = (const unsigned char FAR *)buf4; + + if (len) do { + c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8); + } while (--len); + c = ~c; + return (unsigned long)(REV(c)); +} + +#endif /* BYFOUR */ + +#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */ + +/* ========================================================================= */ +local unsigned long gf2_matrix_times(mat, vec) + unsigned long *mat; + unsigned long vec; +{ + unsigned long sum; + + sum = 0; + while (vec) { + if (vec & 1) + sum ^= *mat; + vec >>= 1; + mat++; + } + return sum; +} + +/* ========================================================================= */ +local void gf2_matrix_square(square, mat) + unsigned long *square; + unsigned long *mat; +{ + int n; + + for (n = 0; n < GF2_DIM; n++) + square[n] = gf2_matrix_times(mat, mat[n]); +} + +/* ========================================================================= */ +uLong ZEXPORT crc32_combine(crc1, crc2, len2) + uLong crc1; + uLong crc2; + z_off_t len2; +{ + int n; + unsigned long row; + unsigned long even[GF2_DIM]; /* even-power-of-two zeros operator */ + unsigned long odd[GF2_DIM]; /* odd-power-of-two zeros operator */ + + /* degenerate case */ + if (len2 == 0) + return crc1; + + /* put operator for one zero bit in odd */ + odd[0] = 0xedb88320L; /* CRC-32 polynomial */ + row = 1; + for (n = 1; n < GF2_DIM; n++) { + odd[n] = row; + row <<= 1; + } + + /* put operator for two zero bits in even */ + gf2_matrix_square(even, odd); + + /* put operator for four zero bits in odd */ + gf2_matrix_square(odd, even); + + /* apply len2 zeros to crc1 (first square will put the operator for one + zero byte, eight zero bits, in even) */ + do { + /* apply zeros operator for this bit of len2 */ + gf2_matrix_square(even, odd); + if (len2 & 1) + crc1 = gf2_matrix_times(even, crc1); + len2 >>= 1; + + /* if no more bits set, then done */ + if (len2 == 0) + break; + + /* another iteration of the loop with odd and even swapped */ + gf2_matrix_square(odd, even); + if (len2 & 1) + crc1 = gf2_matrix_times(odd, crc1); + len2 >>= 1; + + /* if no more bits set, then done */ + } while (len2 != 0); + + /* return combined crc */ + crc1 ^= crc2; + return crc1; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/crc32.h b/Build/source/libs/zlib/zlib-1.2.3/crc32.h new file mode 100644 index 00000000000..8053b6117c0 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/crc32.h @@ -0,0 +1,441 @@ +/* crc32.h -- tables for rapid CRC calculation + * Generated automatically by crc32.c + */ + +local const unsigned long FAR crc_table[TBLS][256] = +{ + { + 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, + 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL, + 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL, + 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL, + 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL, + 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL, + 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL, + 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL, + 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL, + 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL, + 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL, + 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL, + 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL, + 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL, + 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL, + 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL, + 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL, + 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL, + 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL, + 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL, + 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL, + 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL, + 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL, + 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL, + 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL, + 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL, + 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL, + 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL, + 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL, + 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL, + 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL, + 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL, + 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL, + 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL, + 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL, + 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL, + 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL, + 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL, + 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL, + 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL, + 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL, + 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL, + 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL, + 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL, + 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL, + 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL, + 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL, + 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL, + 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL, + 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, + 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, + 0x2d02ef8dUL +#ifdef BYFOUR + }, + { + 0x00000000UL, 0x191b3141UL, 0x32366282UL, 0x2b2d53c3UL, 0x646cc504UL, + 0x7d77f445UL, 0x565aa786UL, 0x4f4196c7UL, 0xc8d98a08UL, 0xd1c2bb49UL, + 0xfaefe88aUL, 0xe3f4d9cbUL, 0xacb54f0cUL, 0xb5ae7e4dUL, 0x9e832d8eUL, + 0x87981ccfUL, 0x4ac21251UL, 0x53d92310UL, 0x78f470d3UL, 0x61ef4192UL, + 0x2eaed755UL, 0x37b5e614UL, 0x1c98b5d7UL, 0x05838496UL, 0x821b9859UL, + 0x9b00a918UL, 0xb02dfadbUL, 0xa936cb9aUL, 0xe6775d5dUL, 0xff6c6c1cUL, + 0xd4413fdfUL, 0xcd5a0e9eUL, 0x958424a2UL, 0x8c9f15e3UL, 0xa7b24620UL, + 0xbea97761UL, 0xf1e8e1a6UL, 0xe8f3d0e7UL, 0xc3de8324UL, 0xdac5b265UL, + 0x5d5daeaaUL, 0x44469febUL, 0x6f6bcc28UL, 0x7670fd69UL, 0x39316baeUL, + 0x202a5aefUL, 0x0b07092cUL, 0x121c386dUL, 0xdf4636f3UL, 0xc65d07b2UL, + 0xed705471UL, 0xf46b6530UL, 0xbb2af3f7UL, 0xa231c2b6UL, 0x891c9175UL, + 0x9007a034UL, 0x179fbcfbUL, 0x0e848dbaUL, 0x25a9de79UL, 0x3cb2ef38UL, + 0x73f379ffUL, 0x6ae848beUL, 0x41c51b7dUL, 0x58de2a3cUL, 0xf0794f05UL, + 0xe9627e44UL, 0xc24f2d87UL, 0xdb541cc6UL, 0x94158a01UL, 0x8d0ebb40UL, + 0xa623e883UL, 0xbf38d9c2UL, 0x38a0c50dUL, 0x21bbf44cUL, 0x0a96a78fUL, + 0x138d96ceUL, 0x5ccc0009UL, 0x45d73148UL, 0x6efa628bUL, 0x77e153caUL, + 0xbabb5d54UL, 0xa3a06c15UL, 0x888d3fd6UL, 0x91960e97UL, 0xded79850UL, + 0xc7cca911UL, 0xece1fad2UL, 0xf5facb93UL, 0x7262d75cUL, 0x6b79e61dUL, + 0x4054b5deUL, 0x594f849fUL, 0x160e1258UL, 0x0f152319UL, 0x243870daUL, + 0x3d23419bUL, 0x65fd6ba7UL, 0x7ce65ae6UL, 0x57cb0925UL, 0x4ed03864UL, + 0x0191aea3UL, 0x188a9fe2UL, 0x33a7cc21UL, 0x2abcfd60UL, 0xad24e1afUL, + 0xb43fd0eeUL, 0x9f12832dUL, 0x8609b26cUL, 0xc94824abUL, 0xd05315eaUL, + 0xfb7e4629UL, 0xe2657768UL, 0x2f3f79f6UL, 0x362448b7UL, 0x1d091b74UL, + 0x04122a35UL, 0x4b53bcf2UL, 0x52488db3UL, 0x7965de70UL, 0x607eef31UL, + 0xe7e6f3feUL, 0xfefdc2bfUL, 0xd5d0917cUL, 0xcccba03dUL, 0x838a36faUL, + 0x9a9107bbUL, 0xb1bc5478UL, 0xa8a76539UL, 0x3b83984bUL, 0x2298a90aUL, + 0x09b5fac9UL, 0x10aecb88UL, 0x5fef5d4fUL, 0x46f46c0eUL, 0x6dd93fcdUL, + 0x74c20e8cUL, 0xf35a1243UL, 0xea412302UL, 0xc16c70c1UL, 0xd8774180UL, + 0x9736d747UL, 0x8e2de606UL, 0xa500b5c5UL, 0xbc1b8484UL, 0x71418a1aUL, + 0x685abb5bUL, 0x4377e898UL, 0x5a6cd9d9UL, 0x152d4f1eUL, 0x0c367e5fUL, + 0x271b2d9cUL, 0x3e001cddUL, 0xb9980012UL, 0xa0833153UL, 0x8bae6290UL, + 0x92b553d1UL, 0xddf4c516UL, 0xc4eff457UL, 0xefc2a794UL, 0xf6d996d5UL, + 0xae07bce9UL, 0xb71c8da8UL, 0x9c31de6bUL, 0x852aef2aUL, 0xca6b79edUL, + 0xd37048acUL, 0xf85d1b6fUL, 0xe1462a2eUL, 0x66de36e1UL, 0x7fc507a0UL, + 0x54e85463UL, 0x4df36522UL, 0x02b2f3e5UL, 0x1ba9c2a4UL, 0x30849167UL, + 0x299fa026UL, 0xe4c5aeb8UL, 0xfdde9ff9UL, 0xd6f3cc3aUL, 0xcfe8fd7bUL, + 0x80a96bbcUL, 0x99b25afdUL, 0xb29f093eUL, 0xab84387fUL, 0x2c1c24b0UL, + 0x350715f1UL, 0x1e2a4632UL, 0x07317773UL, 0x4870e1b4UL, 0x516bd0f5UL, + 0x7a468336UL, 0x635db277UL, 0xcbfad74eUL, 0xd2e1e60fUL, 0xf9ccb5ccUL, + 0xe0d7848dUL, 0xaf96124aUL, 0xb68d230bUL, 0x9da070c8UL, 0x84bb4189UL, + 0x03235d46UL, 0x1a386c07UL, 0x31153fc4UL, 0x280e0e85UL, 0x674f9842UL, + 0x7e54a903UL, 0x5579fac0UL, 0x4c62cb81UL, 0x8138c51fUL, 0x9823f45eUL, + 0xb30ea79dUL, 0xaa1596dcUL, 0xe554001bUL, 0xfc4f315aUL, 0xd7626299UL, + 0xce7953d8UL, 0x49e14f17UL, 0x50fa7e56UL, 0x7bd72d95UL, 0x62cc1cd4UL, + 0x2d8d8a13UL, 0x3496bb52UL, 0x1fbbe891UL, 0x06a0d9d0UL, 0x5e7ef3ecUL, + 0x4765c2adUL, 0x6c48916eUL, 0x7553a02fUL, 0x3a1236e8UL, 0x230907a9UL, + 0x0824546aUL, 0x113f652bUL, 0x96a779e4UL, 0x8fbc48a5UL, 0xa4911b66UL, + 0xbd8a2a27UL, 0xf2cbbce0UL, 0xebd08da1UL, 0xc0fdde62UL, 0xd9e6ef23UL, + 0x14bce1bdUL, 0x0da7d0fcUL, 0x268a833fUL, 0x3f91b27eUL, 0x70d024b9UL, + 0x69cb15f8UL, 0x42e6463bUL, 0x5bfd777aUL, 0xdc656bb5UL, 0xc57e5af4UL, + 0xee530937UL, 0xf7483876UL, 0xb809aeb1UL, 0xa1129ff0UL, 0x8a3fcc33UL, + 0x9324fd72UL + }, + { + 0x00000000UL, 0x01c26a37UL, 0x0384d46eUL, 0x0246be59UL, 0x0709a8dcUL, + 0x06cbc2ebUL, 0x048d7cb2UL, 0x054f1685UL, 0x0e1351b8UL, 0x0fd13b8fUL, + 0x0d9785d6UL, 0x0c55efe1UL, 0x091af964UL, 0x08d89353UL, 0x0a9e2d0aUL, + 0x0b5c473dUL, 0x1c26a370UL, 0x1de4c947UL, 0x1fa2771eUL, 0x1e601d29UL, + 0x1b2f0bacUL, 0x1aed619bUL, 0x18abdfc2UL, 0x1969b5f5UL, 0x1235f2c8UL, + 0x13f798ffUL, 0x11b126a6UL, 0x10734c91UL, 0x153c5a14UL, 0x14fe3023UL, + 0x16b88e7aUL, 0x177ae44dUL, 0x384d46e0UL, 0x398f2cd7UL, 0x3bc9928eUL, + 0x3a0bf8b9UL, 0x3f44ee3cUL, 0x3e86840bUL, 0x3cc03a52UL, 0x3d025065UL, + 0x365e1758UL, 0x379c7d6fUL, 0x35dac336UL, 0x3418a901UL, 0x3157bf84UL, + 0x3095d5b3UL, 0x32d36beaUL, 0x331101ddUL, 0x246be590UL, 0x25a98fa7UL, + 0x27ef31feUL, 0x262d5bc9UL, 0x23624d4cUL, 0x22a0277bUL, 0x20e69922UL, + 0x2124f315UL, 0x2a78b428UL, 0x2bbade1fUL, 0x29fc6046UL, 0x283e0a71UL, + 0x2d711cf4UL, 0x2cb376c3UL, 0x2ef5c89aUL, 0x2f37a2adUL, 0x709a8dc0UL, + 0x7158e7f7UL, 0x731e59aeUL, 0x72dc3399UL, 0x7793251cUL, 0x76514f2bUL, + 0x7417f172UL, 0x75d59b45UL, 0x7e89dc78UL, 0x7f4bb64fUL, 0x7d0d0816UL, + 0x7ccf6221UL, 0x798074a4UL, 0x78421e93UL, 0x7a04a0caUL, 0x7bc6cafdUL, + 0x6cbc2eb0UL, 0x6d7e4487UL, 0x6f38fadeUL, 0x6efa90e9UL, 0x6bb5866cUL, + 0x6a77ec5bUL, 0x68315202UL, 0x69f33835UL, 0x62af7f08UL, 0x636d153fUL, + 0x612bab66UL, 0x60e9c151UL, 0x65a6d7d4UL, 0x6464bde3UL, 0x662203baUL, + 0x67e0698dUL, 0x48d7cb20UL, 0x4915a117UL, 0x4b531f4eUL, 0x4a917579UL, + 0x4fde63fcUL, 0x4e1c09cbUL, 0x4c5ab792UL, 0x4d98dda5UL, 0x46c49a98UL, + 0x4706f0afUL, 0x45404ef6UL, 0x448224c1UL, 0x41cd3244UL, 0x400f5873UL, + 0x4249e62aUL, 0x438b8c1dUL, 0x54f16850UL, 0x55330267UL, 0x5775bc3eUL, + 0x56b7d609UL, 0x53f8c08cUL, 0x523aaabbUL, 0x507c14e2UL, 0x51be7ed5UL, + 0x5ae239e8UL, 0x5b2053dfUL, 0x5966ed86UL, 0x58a487b1UL, 0x5deb9134UL, + 0x5c29fb03UL, 0x5e6f455aUL, 0x5fad2f6dUL, 0xe1351b80UL, 0xe0f771b7UL, + 0xe2b1cfeeUL, 0xe373a5d9UL, 0xe63cb35cUL, 0xe7fed96bUL, 0xe5b86732UL, + 0xe47a0d05UL, 0xef264a38UL, 0xeee4200fUL, 0xeca29e56UL, 0xed60f461UL, + 0xe82fe2e4UL, 0xe9ed88d3UL, 0xebab368aUL, 0xea695cbdUL, 0xfd13b8f0UL, + 0xfcd1d2c7UL, 0xfe976c9eUL, 0xff5506a9UL, 0xfa1a102cUL, 0xfbd87a1bUL, + 0xf99ec442UL, 0xf85cae75UL, 0xf300e948UL, 0xf2c2837fUL, 0xf0843d26UL, + 0xf1465711UL, 0xf4094194UL, 0xf5cb2ba3UL, 0xf78d95faUL, 0xf64fffcdUL, + 0xd9785d60UL, 0xd8ba3757UL, 0xdafc890eUL, 0xdb3ee339UL, 0xde71f5bcUL, + 0xdfb39f8bUL, 0xddf521d2UL, 0xdc374be5UL, 0xd76b0cd8UL, 0xd6a966efUL, + 0xd4efd8b6UL, 0xd52db281UL, 0xd062a404UL, 0xd1a0ce33UL, 0xd3e6706aUL, + 0xd2241a5dUL, 0xc55efe10UL, 0xc49c9427UL, 0xc6da2a7eUL, 0xc7184049UL, + 0xc25756ccUL, 0xc3953cfbUL, 0xc1d382a2UL, 0xc011e895UL, 0xcb4dafa8UL, + 0xca8fc59fUL, 0xc8c97bc6UL, 0xc90b11f1UL, 0xcc440774UL, 0xcd866d43UL, + 0xcfc0d31aUL, 0xce02b92dUL, 0x91af9640UL, 0x906dfc77UL, 0x922b422eUL, + 0x93e92819UL, 0x96a63e9cUL, 0x976454abUL, 0x9522eaf2UL, 0x94e080c5UL, + 0x9fbcc7f8UL, 0x9e7eadcfUL, 0x9c381396UL, 0x9dfa79a1UL, 0x98b56f24UL, + 0x99770513UL, 0x9b31bb4aUL, 0x9af3d17dUL, 0x8d893530UL, 0x8c4b5f07UL, + 0x8e0de15eUL, 0x8fcf8b69UL, 0x8a809decUL, 0x8b42f7dbUL, 0x89044982UL, + 0x88c623b5UL, 0x839a6488UL, 0x82580ebfUL, 0x801eb0e6UL, 0x81dcdad1UL, + 0x8493cc54UL, 0x8551a663UL, 0x8717183aUL, 0x86d5720dUL, 0xa9e2d0a0UL, + 0xa820ba97UL, 0xaa6604ceUL, 0xaba46ef9UL, 0xaeeb787cUL, 0xaf29124bUL, + 0xad6fac12UL, 0xacadc625UL, 0xa7f18118UL, 0xa633eb2fUL, 0xa4755576UL, + 0xa5b73f41UL, 0xa0f829c4UL, 0xa13a43f3UL, 0xa37cfdaaUL, 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0x4432cd41UL, 0x73580f40UL, + 0x2ae64942UL, 0x1d8c8b43UL, 0x5068f154UL, 0x67023355UL, 0x3ebc7557UL, + 0x09d6b756UL, 0x8cc0f853UL, 0xbbaa3a52UL, 0xe2147c50UL, 0xd57ebe51UL, + 0xe839e25aUL, 0xdf53205bUL, 0x86ed6659UL, 0xb187a458UL, 0x3491eb5dUL, + 0x03fb295cUL, 0x5a456f5eUL, 0x6d2fad5fUL, 0x801b35e1UL, 0xb771f7e0UL, + 0xeecfb1e2UL, 0xd9a573e3UL, 0x5cb33ce6UL, 0x6bd9fee7UL, 0x3267b8e5UL, + 0x050d7ae4UL, 0x384a26efUL, 0x0f20e4eeUL, 0x569ea2ecUL, 0x61f460edUL, + 0xe4e22fe8UL, 0xd388ede9UL, 0x8a36abebUL, 0xbd5c69eaUL, 0xf0b813fdUL, + 0xc7d2d1fcUL, 0x9e6c97feUL, 0xa90655ffUL, 0x2c101afaUL, 0x1b7ad8fbUL, + 0x42c49ef9UL, 0x75ae5cf8UL, 0x48e900f3UL, 0x7f83c2f2UL, 0x263d84f0UL, + 0x115746f1UL, 0x944109f4UL, 0xa32bcbf5UL, 0xfa958df7UL, 0xcdff4ff6UL, + 0x605d78d9UL, 0x5737bad8UL, 0x0e89fcdaUL, 0x39e33edbUL, 0xbcf571deUL, + 0x8b9fb3dfUL, 0xd221f5ddUL, 0xe54b37dcUL, 0xd80c6bd7UL, 0xef66a9d6UL, + 0xb6d8efd4UL, 0x81b22dd5UL, 0x04a462d0UL, 0x33cea0d1UL, 0x6a70e6d3UL, + 0x5d1a24d2UL, 0x10fe5ec5UL, 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0x620f49b1UL, 0x55658bb0UL, 0x6822d7bbUL, 0x5f4815baUL, + 0x06f653b8UL, 0x319c91b9UL, 0xb48adebcUL, 0x83e01cbdUL, 0xda5e5abfUL, + 0xed3498beUL + }, + { + 0x00000000UL, 0x6567bcb8UL, 0x8bc809aaUL, 0xeeafb512UL, 0x5797628fUL, + 0x32f0de37UL, 0xdc5f6b25UL, 0xb938d79dUL, 0xef28b4c5UL, 0x8a4f087dUL, + 0x64e0bd6fUL, 0x018701d7UL, 0xb8bfd64aUL, 0xddd86af2UL, 0x3377dfe0UL, + 0x56106358UL, 0x9f571950UL, 0xfa30a5e8UL, 0x149f10faUL, 0x71f8ac42UL, + 0xc8c07bdfUL, 0xada7c767UL, 0x43087275UL, 0x266fcecdUL, 0x707fad95UL, + 0x1518112dUL, 0xfbb7a43fUL, 0x9ed01887UL, 0x27e8cf1aUL, 0x428f73a2UL, + 0xac20c6b0UL, 0xc9477a08UL, 0x3eaf32a0UL, 0x5bc88e18UL, 0xb5673b0aUL, + 0xd00087b2UL, 0x6938502fUL, 0x0c5fec97UL, 0xe2f05985UL, 0x8797e53dUL, + 0xd1878665UL, 0xb4e03addUL, 0x5a4f8fcfUL, 0x3f283377UL, 0x8610e4eaUL, + 0xe3775852UL, 0x0dd8ed40UL, 0x68bf51f8UL, 0xa1f82bf0UL, 0xc49f9748UL, + 0x2a30225aUL, 0x4f579ee2UL, 0xf66f497fUL, 0x9308f5c7UL, 0x7da740d5UL, + 0x18c0fc6dUL, 0x4ed09f35UL, 0x2bb7238dUL, 0xc518969fUL, 0xa07f2a27UL, + 0x1947fdbaUL, 0x7c204102UL, 0x928ff410UL, 0xf7e848a8UL, 0x3d58149bUL, + 0x583fa823UL, 0xb6901d31UL, 0xd3f7a189UL, 0x6acf7614UL, 0x0fa8caacUL, + 0xe1077fbeUL, 0x8460c306UL, 0xd270a05eUL, 0xb7171ce6UL, 0x59b8a9f4UL, + 0x3cdf154cUL, 0x85e7c2d1UL, 0xe0807e69UL, 0x0e2fcb7bUL, 0x6b4877c3UL, + 0xa20f0dcbUL, 0xc768b173UL, 0x29c70461UL, 0x4ca0b8d9UL, 0xf5986f44UL, + 0x90ffd3fcUL, 0x7e5066eeUL, 0x1b37da56UL, 0x4d27b90eUL, 0x284005b6UL, + 0xc6efb0a4UL, 0xa3880c1cUL, 0x1ab0db81UL, 0x7fd76739UL, 0x9178d22bUL, + 0xf41f6e93UL, 0x03f7263bUL, 0x66909a83UL, 0x883f2f91UL, 0xed589329UL, + 0x546044b4UL, 0x3107f80cUL, 0xdfa84d1eUL, 0xbacff1a6UL, 0xecdf92feUL, + 0x89b82e46UL, 0x67179b54UL, 0x027027ecUL, 0xbb48f071UL, 0xde2f4cc9UL, + 0x3080f9dbUL, 0x55e74563UL, 0x9ca03f6bUL, 0xf9c783d3UL, 0x176836c1UL, + 0x720f8a79UL, 0xcb375de4UL, 0xae50e15cUL, 0x40ff544eUL, 0x2598e8f6UL, + 0x73888baeUL, 0x16ef3716UL, 0xf8408204UL, 0x9d273ebcUL, 0x241fe921UL, + 0x41785599UL, 0xafd7e08bUL, 0xcab05c33UL, 0x3bb659edUL, 0x5ed1e555UL, + 0xb07e5047UL, 0xd519ecffUL, 0x6c213b62UL, 0x094687daUL, 0xe7e932c8UL, + 0x828e8e70UL, 0xd49eed28UL, 0xb1f95190UL, 0x5f56e482UL, 0x3a31583aUL, + 0x83098fa7UL, 0xe66e331fUL, 0x08c1860dUL, 0x6da63ab5UL, 0xa4e140bdUL, + 0xc186fc05UL, 0x2f294917UL, 0x4a4ef5afUL, 0xf3762232UL, 0x96119e8aUL, + 0x78be2b98UL, 0x1dd99720UL, 0x4bc9f478UL, 0x2eae48c0UL, 0xc001fdd2UL, + 0xa566416aUL, 0x1c5e96f7UL, 0x79392a4fUL, 0x97969f5dUL, 0xf2f123e5UL, + 0x05196b4dUL, 0x607ed7f5UL, 0x8ed162e7UL, 0xebb6de5fUL, 0x528e09c2UL, + 0x37e9b57aUL, 0xd9460068UL, 0xbc21bcd0UL, 0xea31df88UL, 0x8f566330UL, + 0x61f9d622UL, 0x049e6a9aUL, 0xbda6bd07UL, 0xd8c101bfUL, 0x366eb4adUL, + 0x53090815UL, 0x9a4e721dUL, 0xff29cea5UL, 0x11867bb7UL, 0x74e1c70fUL, + 0xcdd91092UL, 0xa8beac2aUL, 0x46111938UL, 0x2376a580UL, 0x7566c6d8UL, + 0x10017a60UL, 0xfeaecf72UL, 0x9bc973caUL, 0x22f1a457UL, 0x479618efUL, + 0xa939adfdUL, 0xcc5e1145UL, 0x06ee4d76UL, 0x6389f1ceUL, 0x8d2644dcUL, + 0xe841f864UL, 0x51792ff9UL, 0x341e9341UL, 0xdab12653UL, 0xbfd69aebUL, + 0xe9c6f9b3UL, 0x8ca1450bUL, 0x620ef019UL, 0x07694ca1UL, 0xbe519b3cUL, + 0xdb362784UL, 0x35999296UL, 0x50fe2e2eUL, 0x99b95426UL, 0xfcdee89eUL, + 0x12715d8cUL, 0x7716e134UL, 0xce2e36a9UL, 0xab498a11UL, 0x45e63f03UL, + 0x208183bbUL, 0x7691e0e3UL, 0x13f65c5bUL, 0xfd59e949UL, 0x983e55f1UL, + 0x2106826cUL, 0x44613ed4UL, 0xaace8bc6UL, 0xcfa9377eUL, 0x38417fd6UL, + 0x5d26c36eUL, 0xb389767cUL, 0xd6eecac4UL, 0x6fd61d59UL, 0x0ab1a1e1UL, + 0xe41e14f3UL, 0x8179a84bUL, 0xd769cb13UL, 0xb20e77abUL, 0x5ca1c2b9UL, + 0x39c67e01UL, 0x80fea99cUL, 0xe5991524UL, 0x0b36a036UL, 0x6e511c8eUL, + 0xa7166686UL, 0xc271da3eUL, 0x2cde6f2cUL, 0x49b9d394UL, 0xf0810409UL, + 0x95e6b8b1UL, 0x7b490da3UL, 0x1e2eb11bUL, 0x483ed243UL, 0x2d596efbUL, + 0xc3f6dbe9UL, 0xa6916751UL, 0x1fa9b0ccUL, 0x7ace0c74UL, 0x9461b966UL, + 0xf10605deUL +#endif + } +}; diff --git a/Build/source/libs/zlib/zlib-1.2.3/deflate.c b/Build/source/libs/zlib/zlib-1.2.3/deflate.c new file mode 100644 index 00000000000..29ce1f64a57 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/deflate.c @@ -0,0 +1,1736 @@ +/* deflate.c -- compress data using the deflation algorithm + * Copyright (C) 1995-2005 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * ALGORITHM + * + * The "deflation" process depends on being able to identify portions + * of the input text which are identical to earlier input (within a + * sliding window trailing behind the input currently being processed). + * + * The most straightforward technique turns out to be the fastest for + * most input files: try all possible matches and select the longest. + * The key feature of this algorithm is that insertions into the string + * dictionary are very simple and thus fast, and deletions are avoided + * completely. Insertions are performed at each input character, whereas + * string matches are performed only when the previous match ends. So it + * is preferable to spend more time in matches to allow very fast string + * insertions and avoid deletions. The matching algorithm for small + * strings is inspired from that of Rabin & Karp. A brute force approach + * is used to find longer strings when a small match has been found. + * A similar algorithm is used in comic (by Jan-Mark Wams) and freeze + * (by Leonid Broukhis). + * A previous version of this file used a more sophisticated algorithm + * (by Fiala and Greene) which is guaranteed to run in linear amortized + * time, but has a larger average cost, uses more memory and is patented. + * However the F&G algorithm may be faster for some highly redundant + * files if the parameter max_chain_length (described below) is too large. + * + * ACKNOWLEDGEMENTS + * + * The idea of lazy evaluation of matches is due to Jan-Mark Wams, and + * I found it in 'freeze' written by Leonid Broukhis. + * Thanks to many people for bug reports and testing. + * + * REFERENCES + * + * Deutsch, L.P.,"DEFLATE Compressed Data Format Specification". + * Available in http://www.ietf.org/rfc/rfc1951.txt + * + * A description of the Rabin and Karp algorithm is given in the book + * "Algorithms" by R. Sedgewick, Addison-Wesley, p252. + * + * Fiala,E.R., and Greene,D.H. + * Data Compression with Finite Windows, Comm.ACM, 32,4 (1989) 490-595 + * + */ + +/* @(#) $Id$ */ + +#include "deflate.h" + +const char deflate_copyright[] = + " deflate 1.2.3 Copyright 1995-2005 Jean-loup Gailly "; +/* + If you use the zlib library in a product, an acknowledgment is welcome + in the documentation of your product. If for some reason you cannot + include such an acknowledgment, I would appreciate that you keep this + copyright string in the executable of your product. + */ + +/* =========================================================================== + * Function prototypes. + */ +typedef enum { + need_more, /* block not completed, need more input or more output */ + block_done, /* block flush performed */ + finish_started, /* finish started, need only more output at next deflate */ + finish_done /* finish done, accept no more input or output */ +} block_state; + +typedef block_state (*compress_func) OF((deflate_state *s, int flush)); +/* Compression function. Returns the block state after the call. */ + +local void fill_window OF((deflate_state *s)); +local block_state deflate_stored OF((deflate_state *s, int flush)); +local block_state deflate_fast OF((deflate_state *s, int flush)); +#ifndef FASTEST +local block_state deflate_slow OF((deflate_state *s, int flush)); +#endif +local void lm_init OF((deflate_state *s)); +local void putShortMSB OF((deflate_state *s, uInt b)); +local void flush_pending OF((z_streamp strm)); +local int read_buf OF((z_streamp strm, Bytef *buf, unsigned size)); +#ifndef FASTEST +#ifdef ASMV + void match_init OF((void)); /* asm code initialization */ + uInt longest_match OF((deflate_state *s, IPos cur_match)); +#else +local uInt longest_match OF((deflate_state *s, IPos cur_match)); +#endif +#endif +local uInt longest_match_fast OF((deflate_state *s, IPos cur_match)); + +#ifdef DEBUG +local void check_match OF((deflate_state *s, IPos start, IPos match, + int length)); +#endif + +/* =========================================================================== + * Local data + */ + +#define NIL 0 +/* Tail of hash chains */ + +#ifndef TOO_FAR +# define TOO_FAR 4096 +#endif +/* Matches of length 3 are discarded if their distance exceeds TOO_FAR */ + +#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1) +/* Minimum amount of lookahead, except at the end of the input file. + * See deflate.c for comments about the MIN_MATCH+1. + */ + +/* Values for max_lazy_match, good_match and max_chain_length, depending on + * the desired pack level (0..9). The values given below have been tuned to + * exclude worst case performance for pathological files. Better values may be + * found for specific files. + */ +typedef struct config_s { + ush good_length; /* reduce lazy search above this match length */ + ush max_lazy; /* do not perform lazy search above this match length */ + ush nice_length; /* quit search above this match length */ + ush max_chain; + compress_func func; +} config; + +#ifdef FASTEST +local const config configuration_table[2] = { +/* good lazy nice chain */ +/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */ +/* 1 */ {4, 4, 8, 4, deflate_fast}}; /* max speed, no lazy matches */ +#else +local const config configuration_table[10] = { +/* good lazy nice chain */ +/* 0 */ {0, 0, 0, 0, deflate_stored}, /* store only */ +/* 1 */ {4, 4, 8, 4, deflate_fast}, /* max speed, no lazy matches */ +/* 2 */ {4, 5, 16, 8, deflate_fast}, +/* 3 */ {4, 6, 32, 32, deflate_fast}, + +/* 4 */ {4, 4, 16, 16, deflate_slow}, /* lazy matches */ +/* 5 */ {8, 16, 32, 32, deflate_slow}, +/* 6 */ {8, 16, 128, 128, deflate_slow}, +/* 7 */ {8, 32, 128, 256, deflate_slow}, +/* 8 */ {32, 128, 258, 1024, deflate_slow}, +/* 9 */ {32, 258, 258, 4096, deflate_slow}}; /* max compression */ +#endif + +/* Note: the deflate() code requires max_lazy >= MIN_MATCH and max_chain >= 4 + * For deflate_fast() (levels <= 3) good is ignored and lazy has a different + * meaning. + */ + +#define EQUAL 0 +/* result of memcmp for equal strings */ + +#ifndef NO_DUMMY_DECL +struct static_tree_desc_s {int dummy;}; /* for buggy compilers */ +#endif + +/* =========================================================================== + * Update a hash value with the given input byte + * IN assertion: all calls to to UPDATE_HASH are made with consecutive + * input characters, so that a running hash key can be computed from the + * previous key instead of complete recalculation each time. + */ +#define UPDATE_HASH(s,h,c) (h = (((h)<hash_shift) ^ (c)) & s->hash_mask) + + +/* =========================================================================== + * Insert string str in the dictionary and set match_head to the previous head + * of the hash chain (the most recent string with same hash key). Return + * the previous length of the hash chain. + * If this file is compiled with -DFASTEST, the compression level is forced + * to 1, and no hash chains are maintained. + * IN assertion: all calls to to INSERT_STRING are made with consecutive + * input characters and the first MIN_MATCH bytes of str are valid + * (except for the last MIN_MATCH-1 bytes of the input file). + */ +#ifdef FASTEST +#define INSERT_STRING(s, str, match_head) \ + (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ + match_head = s->head[s->ins_h], \ + s->head[s->ins_h] = (Pos)(str)) +#else +#define INSERT_STRING(s, str, match_head) \ + (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ + match_head = s->prev[(str) & s->w_mask] = s->head[s->ins_h], \ + s->head[s->ins_h] = (Pos)(str)) +#endif + +/* =========================================================================== + * Initialize the hash table (avoiding 64K overflow for 16 bit systems). + * prev[] will be initialized on the fly. + */ +#define CLEAR_HASH(s) \ + s->head[s->hash_size-1] = NIL; \ + zmemzero((Bytef *)s->head, (unsigned)(s->hash_size-1)*sizeof(*s->head)); + +/* ========================================================================= */ +int ZEXPORT deflateInit_(strm, level, version, stream_size) + z_streamp strm; + int level; + const char *version; + int stream_size; +{ + return deflateInit2_(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, + Z_DEFAULT_STRATEGY, version, stream_size); + /* To do: ignore strm->next_in if we use it as window */ +} + +/* ========================================================================= */ +int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, + version, stream_size) + z_streamp strm; + int level; + int method; + int windowBits; + int memLevel; + int strategy; + const char *version; + int stream_size; +{ + deflate_state *s; + int wrap = 1; + static const char my_version[] = ZLIB_VERSION; + + ushf *overlay; + /* We overlay pending_buf and d_buf+l_buf. This works since the average + * output size for (length,distance) codes is <= 24 bits. + */ + + if (version == Z_NULL || version[0] != my_version[0] || + stream_size != sizeof(z_stream)) { + return Z_VERSION_ERROR; + } + if (strm == Z_NULL) return Z_STREAM_ERROR; + + strm->msg = Z_NULL; + if (strm->zalloc == (alloc_func)0) { + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; + } + if (strm->zfree == (free_func)0) strm->zfree = zcfree; + +#ifdef FASTEST + if (level != 0) level = 1; +#else + if (level == Z_DEFAULT_COMPRESSION) level = 6; +#endif + + if (windowBits < 0) { /* suppress zlib wrapper */ + wrap = 0; + windowBits = -windowBits; + } +#ifdef GZIP + else if (windowBits > 15) { + wrap = 2; /* write gzip wrapper instead */ + windowBits -= 16; + } +#endif + if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED || + windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || + strategy < 0 || strategy > Z_FIXED) { + return Z_STREAM_ERROR; + } + if (windowBits == 8) windowBits = 9; /* until 256-byte window bug fixed */ + s = (deflate_state *) ZALLOC(strm, 1, sizeof(deflate_state)); + if (s == Z_NULL) return Z_MEM_ERROR; + strm->state = (struct internal_state FAR *)s; + s->strm = strm; + + s->wrap = wrap; + s->gzhead = Z_NULL; + s->w_bits = windowBits; + s->w_size = 1 << s->w_bits; + s->w_mask = s->w_size - 1; + + s->hash_bits = memLevel + 7; + s->hash_size = 1 << s->hash_bits; + s->hash_mask = s->hash_size - 1; + s->hash_shift = ((s->hash_bits+MIN_MATCH-1)/MIN_MATCH); + + s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte)); + s->prev = (Posf *) ZALLOC(strm, s->w_size, sizeof(Pos)); + s->head = (Posf *) ZALLOC(strm, s->hash_size, sizeof(Pos)); + + s->lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */ + + overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2); + s->pending_buf = (uchf *) overlay; + s->pending_buf_size = (ulg)s->lit_bufsize * (sizeof(ush)+2L); + + if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL || + s->pending_buf == Z_NULL) { + s->status = FINISH_STATE; + strm->msg = (char*)ERR_MSG(Z_MEM_ERROR); + deflateEnd (strm); + return Z_MEM_ERROR; + } + s->d_buf = overlay + s->lit_bufsize/sizeof(ush); + s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize; + + s->level = level; + s->strategy = strategy; + s->method = (Byte)method; + + return deflateReset(strm); +} + +/* ========================================================================= */ +int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) + z_streamp strm; + const Bytef *dictionary; + uInt dictLength; +{ + deflate_state *s; + uInt length = dictLength; + uInt n; + IPos hash_head = 0; + + if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL || + strm->state->wrap == 2 || + (strm->state->wrap == 1 && strm->state->status != INIT_STATE)) + return Z_STREAM_ERROR; + + s = strm->state; + if (s->wrap) + strm->adler = adler32(strm->adler, dictionary, dictLength); + + if (length < MIN_MATCH) return Z_OK; + if (length > MAX_DIST(s)) { + length = MAX_DIST(s); + dictionary += dictLength - length; /* use the tail of the dictionary */ + } + zmemcpy(s->window, dictionary, length); + s->strstart = length; + s->block_start = (long)length; + + /* Insert all strings in the hash table (except for the last two bytes). + * s->lookahead stays null, so s->ins_h will be recomputed at the next + * call of fill_window. + */ + s->ins_h = s->window[0]; + UPDATE_HASH(s, s->ins_h, s->window[1]); + for (n = 0; n <= length - MIN_MATCH; n++) { + INSERT_STRING(s, n, hash_head); + } + if (hash_head) hash_head = 0; /* to make compiler happy */ + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateReset (strm) + z_streamp strm; +{ + deflate_state *s; + + if (strm == Z_NULL || strm->state == Z_NULL || + strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) { + return Z_STREAM_ERROR; + } + + strm->total_in = strm->total_out = 0; + strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */ + strm->data_type = Z_UNKNOWN; + + s = (deflate_state *)strm->state; + s->pending = 0; + s->pending_out = s->pending_buf; + + if (s->wrap < 0) { + s->wrap = -s->wrap; /* was made negative by deflate(..., Z_FINISH); */ + } + s->status = s->wrap ? INIT_STATE : BUSY_STATE; + strm->adler = +#ifdef GZIP + s->wrap == 2 ? crc32(0L, Z_NULL, 0) : +#endif + adler32(0L, Z_NULL, 0); + s->last_flush = Z_NO_FLUSH; + + _tr_init(s); + lm_init(s); + + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateSetHeader (strm, head) + z_streamp strm; + gz_headerp head; +{ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + if (strm->state->wrap != 2) return Z_STREAM_ERROR; + strm->state->gzhead = head; + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflatePrime (strm, bits, value) + z_streamp strm; + int bits; + int value; +{ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + strm->state->bi_valid = bits; + strm->state->bi_buf = (ush)(value & ((1 << bits) - 1)); + return Z_OK; +} + +/* ========================================================================= */ +int ZEXPORT deflateParams(strm, level, strategy) + z_streamp strm; + int level; + int strategy; +{ + deflate_state *s; + compress_func func; + int err = Z_OK; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + s = strm->state; + +#ifdef FASTEST + if (level != 0) level = 1; +#else + if (level == Z_DEFAULT_COMPRESSION) level = 6; +#endif + if (level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED) { + return Z_STREAM_ERROR; + } + func = configuration_table[s->level].func; + + if (func != configuration_table[level].func && strm->total_in != 0) { + /* Flush the last buffer: */ + err = deflate(strm, Z_PARTIAL_FLUSH); + } + if (s->level != level) { + s->level = level; + s->max_lazy_match = configuration_table[level].max_lazy; + s->good_match = configuration_table[level].good_length; + s->nice_match = configuration_table[level].nice_length; + s->max_chain_length = configuration_table[level].max_chain; + } + s->strategy = strategy; + return err; +} + +/* ========================================================================= */ +int ZEXPORT deflateTune(strm, good_length, max_lazy, nice_length, max_chain) + z_streamp strm; + int good_length; + int max_lazy; + int nice_length; + int max_chain; +{ + deflate_state *s; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + s = strm->state; + s->good_match = good_length; + s->max_lazy_match = max_lazy; + s->nice_match = nice_length; + s->max_chain_length = max_chain; + return Z_OK; +} + +/* ========================================================================= + * For the default windowBits of 15 and memLevel of 8, this function returns + * a close to exact, as well as small, upper bound on the compressed size. + * They are coded as constants here for a reason--if the #define's are + * changed, then this function needs to be changed as well. The return + * value for 15 and 8 only works for those exact settings. + * + * For any setting other than those defaults for windowBits and memLevel, + * the value returned is a conservative worst case for the maximum expansion + * resulting from using fixed blocks instead of stored blocks, which deflate + * can emit on compressed data for some combinations of the parameters. + * + * This function could be more sophisticated to provide closer upper bounds + * for every combination of windowBits and memLevel, as well as wrap. + * But even the conservative upper bound of about 14% expansion does not + * seem onerous for output buffer allocation. + */ +uLong ZEXPORT deflateBound(strm, sourceLen) + z_streamp strm; + uLong sourceLen; +{ + deflate_state *s; + uLong destLen; + + /* conservative upper bound */ + destLen = sourceLen + + ((sourceLen + 7) >> 3) + ((sourceLen + 63) >> 6) + 11; + + /* if can't get parameters, return conservative bound */ + if (strm == Z_NULL || strm->state == Z_NULL) + return destLen; + + /* if not default parameters, return conservative bound */ + s = strm->state; + if (s->w_bits != 15 || s->hash_bits != 8 + 7) + return destLen; + + /* default settings: return tight bound for that case */ + return compressBound(sourceLen); +} + +/* ========================================================================= + * Put a short in the pending buffer. The 16-bit value is put in MSB order. + * IN assertion: the stream state is correct and there is enough room in + * pending_buf. + */ +local void putShortMSB (s, b) + deflate_state *s; + uInt b; +{ + put_byte(s, (Byte)(b >> 8)); + put_byte(s, (Byte)(b & 0xff)); +} + +/* ========================================================================= + * Flush as much pending output as possible. All deflate() output goes + * through this function so some applications may wish to modify it + * to avoid allocating a large strm->next_out buffer and copying into it. + * (See also read_buf()). + */ +local void flush_pending(strm) + z_streamp strm; +{ + unsigned len = strm->state->pending; + + if (len > strm->avail_out) len = strm->avail_out; + if (len == 0) return; + + zmemcpy(strm->next_out, strm->state->pending_out, len); + strm->next_out += len; + strm->state->pending_out += len; + strm->total_out += len; + strm->avail_out -= len; + strm->state->pending -= len; + if (strm->state->pending == 0) { + strm->state->pending_out = strm->state->pending_buf; + } +} + +/* ========================================================================= */ +int ZEXPORT deflate (strm, flush) + z_streamp strm; + int flush; +{ + int old_flush; /* value of flush param for previous deflate call */ + deflate_state *s; + + if (strm == Z_NULL || strm->state == Z_NULL || + flush > Z_FINISH || flush < 0) { + return Z_STREAM_ERROR; + } + s = strm->state; + + if (strm->next_out == Z_NULL || + (strm->next_in == Z_NULL && strm->avail_in != 0) || + (s->status == FINISH_STATE && flush != Z_FINISH)) { + ERR_RETURN(strm, Z_STREAM_ERROR); + } + if (strm->avail_out == 0) ERR_RETURN(strm, Z_BUF_ERROR); + + s->strm = strm; /* just in case */ + old_flush = s->last_flush; + s->last_flush = flush; + + /* Write the header */ + if (s->status == INIT_STATE) { +#ifdef GZIP + if (s->wrap == 2) { + strm->adler = crc32(0L, Z_NULL, 0); + put_byte(s, 31); + put_byte(s, 139); + put_byte(s, 8); + if (s->gzhead == NULL) { + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, 0); + put_byte(s, s->level == 9 ? 2 : + (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? + 4 : 0)); + put_byte(s, OS_CODE); + s->status = BUSY_STATE; + } + else { + put_byte(s, (s->gzhead->text ? 1 : 0) + + (s->gzhead->hcrc ? 2 : 0) + + (s->gzhead->extra == Z_NULL ? 0 : 4) + + (s->gzhead->name == Z_NULL ? 0 : 8) + + (s->gzhead->comment == Z_NULL ? 0 : 16) + ); + put_byte(s, (Byte)(s->gzhead->time & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 8) & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 16) & 0xff)); + put_byte(s, (Byte)((s->gzhead->time >> 24) & 0xff)); + put_byte(s, s->level == 9 ? 2 : + (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? + 4 : 0)); + put_byte(s, s->gzhead->os & 0xff); + if (s->gzhead->extra != NULL) { + put_byte(s, s->gzhead->extra_len & 0xff); + put_byte(s, (s->gzhead->extra_len >> 8) & 0xff); + } + if (s->gzhead->hcrc) + strm->adler = crc32(strm->adler, s->pending_buf, + s->pending); + s->gzindex = 0; + s->status = EXTRA_STATE; + } + } + else +#endif + { + uInt header = (Z_DEFLATED + ((s->w_bits-8)<<4)) << 8; + uInt level_flags; + + if (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2) + level_flags = 0; + else if (s->level < 6) + level_flags = 1; + else if (s->level == 6) + level_flags = 2; + else + level_flags = 3; + header |= (level_flags << 6); + if (s->strstart != 0) header |= PRESET_DICT; + header += 31 - (header % 31); + + s->status = BUSY_STATE; + putShortMSB(s, header); + + /* Save the adler32 of the preset dictionary: */ + if (s->strstart != 0) { + putShortMSB(s, (uInt)(strm->adler >> 16)); + putShortMSB(s, (uInt)(strm->adler & 0xffff)); + } + strm->adler = adler32(0L, Z_NULL, 0); + } + } +#ifdef GZIP + if (s->status == EXTRA_STATE) { + if (s->gzhead->extra != NULL) { + uInt beg = s->pending; /* start of bytes to update crc */ + + while (s->gzindex < (s->gzhead->extra_len & 0xffff)) { + if (s->pending == s->pending_buf_size) { + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + flush_pending(strm); + beg = s->pending; + if (s->pending == s->pending_buf_size) + break; + } + put_byte(s, s->gzhead->extra[s->gzindex]); + s->gzindex++; + } + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + if (s->gzindex == s->gzhead->extra_len) { + s->gzindex = 0; + s->status = NAME_STATE; + } + } + else + s->status = NAME_STATE; + } + if (s->status == NAME_STATE) { + if (s->gzhead->name != NULL) { + uInt beg = s->pending; /* start of bytes to update crc */ + int val; + + do { + if (s->pending == s->pending_buf_size) { + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + flush_pending(strm); + beg = s->pending; + if (s->pending == s->pending_buf_size) { + val = 1; + break; + } + } + val = s->gzhead->name[s->gzindex++]; + put_byte(s, val); + } while (val != 0); + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + if (val == 0) { + s->gzindex = 0; + s->status = COMMENT_STATE; + } + } + else + s->status = COMMENT_STATE; + } + if (s->status == COMMENT_STATE) { + if (s->gzhead->comment != NULL) { + uInt beg = s->pending; /* start of bytes to update crc */ + int val; + + do { + if (s->pending == s->pending_buf_size) { + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + flush_pending(strm); + beg = s->pending; + if (s->pending == s->pending_buf_size) { + val = 1; + break; + } + } + val = s->gzhead->comment[s->gzindex++]; + put_byte(s, val); + } while (val != 0); + if (s->gzhead->hcrc && s->pending > beg) + strm->adler = crc32(strm->adler, s->pending_buf + beg, + s->pending - beg); + if (val == 0) + s->status = HCRC_STATE; + } + else + s->status = HCRC_STATE; + } + if (s->status == HCRC_STATE) { + if (s->gzhead->hcrc) { + if (s->pending + 2 > s->pending_buf_size) + flush_pending(strm); + if (s->pending + 2 <= s->pending_buf_size) { + put_byte(s, (Byte)(strm->adler & 0xff)); + put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); + strm->adler = crc32(0L, Z_NULL, 0); + s->status = BUSY_STATE; + } + } + else + s->status = BUSY_STATE; + } +#endif + + /* Flush as much pending output as possible */ + if (s->pending != 0) { + flush_pending(strm); + if (strm->avail_out == 0) { + /* Since avail_out is 0, deflate will be called again with + * more output space, but possibly with both pending and + * avail_in equal to zero. There won't be anything to do, + * but this is not an error situation so make sure we + * return OK instead of BUF_ERROR at next call of deflate: + */ + s->last_flush = -1; + return Z_OK; + } + + /* Make sure there is something to do and avoid duplicate consecutive + * flushes. For repeated and useless calls with Z_FINISH, we keep + * returning Z_STREAM_END instead of Z_BUF_ERROR. + */ + } else if (strm->avail_in == 0 && flush <= old_flush && + flush != Z_FINISH) { + ERR_RETURN(strm, Z_BUF_ERROR); + } + + /* User must not provide more input after the first FINISH: */ + if (s->status == FINISH_STATE && strm->avail_in != 0) { + ERR_RETURN(strm, Z_BUF_ERROR); + } + + /* Start a new block or continue the current one. + */ + if (strm->avail_in != 0 || s->lookahead != 0 || + (flush != Z_NO_FLUSH && s->status != FINISH_STATE)) { + block_state bstate; + + bstate = (*(configuration_table[s->level].func))(s, flush); + + if (bstate == finish_started || bstate == finish_done) { + s->status = FINISH_STATE; + } + if (bstate == need_more || bstate == finish_started) { + if (strm->avail_out == 0) { + s->last_flush = -1; /* avoid BUF_ERROR next call, see above */ + } + return Z_OK; + /* If flush != Z_NO_FLUSH && avail_out == 0, the next call + * of deflate should use the same flush parameter to make sure + * that the flush is complete. So we don't have to output an + * empty block here, this will be done at next call. This also + * ensures that for a very small output buffer, we emit at most + * one empty block. + */ + } + if (bstate == block_done) { + if (flush == Z_PARTIAL_FLUSH) { + _tr_align(s); + } else { /* FULL_FLUSH or SYNC_FLUSH */ + _tr_stored_block(s, (char*)0, 0L, 0); + /* For a full flush, this empty block will be recognized + * as a special marker by inflate_sync(). + */ + if (flush == Z_FULL_FLUSH) { + CLEAR_HASH(s); /* forget history */ + } + } + flush_pending(strm); + if (strm->avail_out == 0) { + s->last_flush = -1; /* avoid BUF_ERROR at next call, see above */ + return Z_OK; + } + } + } + Assert(strm->avail_out > 0, "bug2"); + + if (flush != Z_FINISH) return Z_OK; + if (s->wrap <= 0) return Z_STREAM_END; + + /* Write the trailer */ +#ifdef GZIP + if (s->wrap == 2) { + put_byte(s, (Byte)(strm->adler & 0xff)); + put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); + put_byte(s, (Byte)((strm->adler >> 16) & 0xff)); + put_byte(s, (Byte)((strm->adler >> 24) & 0xff)); + put_byte(s, (Byte)(strm->total_in & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 8) & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 16) & 0xff)); + put_byte(s, (Byte)((strm->total_in >> 24) & 0xff)); + } + else +#endif + { + putShortMSB(s, (uInt)(strm->adler >> 16)); + putShortMSB(s, (uInt)(strm->adler & 0xffff)); + } + flush_pending(strm); + /* If avail_out is zero, the application will call deflate again + * to flush the rest. + */ + if (s->wrap > 0) s->wrap = -s->wrap; /* write the trailer only once! */ + return s->pending != 0 ? Z_OK : Z_STREAM_END; +} + +/* ========================================================================= */ +int ZEXPORT deflateEnd (strm) + z_streamp strm; +{ + int status; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + + status = strm->state->status; + if (status != INIT_STATE && + status != EXTRA_STATE && + status != NAME_STATE && + status != COMMENT_STATE && + status != HCRC_STATE && + status != BUSY_STATE && + status != FINISH_STATE) { + return Z_STREAM_ERROR; + } + + /* Deallocate in reverse order of allocations: */ + TRY_FREE(strm, strm->state->pending_buf); + TRY_FREE(strm, strm->state->head); + TRY_FREE(strm, strm->state->prev); + TRY_FREE(strm, strm->state->window); + + ZFREE(strm, strm->state); + strm->state = Z_NULL; + + return status == BUSY_STATE ? Z_DATA_ERROR : Z_OK; +} + +/* ========================================================================= + * Copy the source state to the destination state. + * To simplify the source, this is not supported for 16-bit MSDOS (which + * doesn't have enough memory anyway to duplicate compression states). + */ +int ZEXPORT deflateCopy (dest, source) + z_streamp dest; + z_streamp source; +{ +#ifdef MAXSEG_64K + return Z_STREAM_ERROR; +#else + deflate_state *ds; + deflate_state *ss; + ushf *overlay; + + + if (source == Z_NULL || dest == Z_NULL || source->state == Z_NULL) { + return Z_STREAM_ERROR; + } + + ss = source->state; + + zmemcpy(dest, source, sizeof(z_stream)); + + ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state)); + if (ds == Z_NULL) return Z_MEM_ERROR; + dest->state = (struct internal_state FAR *) ds; + zmemcpy(ds, ss, sizeof(deflate_state)); + ds->strm = dest; + + ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte)); + ds->prev = (Posf *) ZALLOC(dest, ds->w_size, sizeof(Pos)); + ds->head = (Posf *) ZALLOC(dest, ds->hash_size, sizeof(Pos)); + overlay = (ushf *) ZALLOC(dest, ds->lit_bufsize, sizeof(ush)+2); + ds->pending_buf = (uchf *) overlay; + + if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL || + ds->pending_buf == Z_NULL) { + deflateEnd (dest); + return Z_MEM_ERROR; + } + /* following zmemcpy do not work for 16-bit MSDOS */ + zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte)); + zmemcpy(ds->prev, ss->prev, ds->w_size * sizeof(Pos)); + zmemcpy(ds->head, ss->head, ds->hash_size * sizeof(Pos)); + zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size); + + ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf); + ds->d_buf = overlay + ds->lit_bufsize/sizeof(ush); + ds->l_buf = ds->pending_buf + (1+sizeof(ush))*ds->lit_bufsize; + + ds->l_desc.dyn_tree = ds->dyn_ltree; + ds->d_desc.dyn_tree = ds->dyn_dtree; + ds->bl_desc.dyn_tree = ds->bl_tree; + + return Z_OK; +#endif /* MAXSEG_64K */ +} + +/* =========================================================================== + * Read a new buffer from the current input stream, update the adler32 + * and total number of bytes read. All deflate() input goes through + * this function so some applications may wish to modify it to avoid + * allocating a large strm->next_in buffer and copying from it. + * (See also flush_pending()). + */ +local int read_buf(strm, buf, size) + z_streamp strm; + Bytef *buf; + unsigned size; +{ + unsigned len = strm->avail_in; + + if (len > size) len = size; + if (len == 0) return 0; + + strm->avail_in -= len; + + if (strm->state->wrap == 1) { + strm->adler = adler32(strm->adler, strm->next_in, len); + } +#ifdef GZIP + else if (strm->state->wrap == 2) { + strm->adler = crc32(strm->adler, strm->next_in, len); + } +#endif + zmemcpy(buf, strm->next_in, len); + strm->next_in += len; + strm->total_in += len; + + return (int)len; +} + +/* =========================================================================== + * Initialize the "longest match" routines for a new zlib stream + */ +local void lm_init (s) + deflate_state *s; +{ + s->window_size = (ulg)2L*s->w_size; + + CLEAR_HASH(s); + + /* Set the default configuration parameters: + */ + s->max_lazy_match = configuration_table[s->level].max_lazy; + s->good_match = configuration_table[s->level].good_length; + s->nice_match = configuration_table[s->level].nice_length; + s->max_chain_length = configuration_table[s->level].max_chain; + + s->strstart = 0; + s->block_start = 0L; + s->lookahead = 0; + s->match_length = s->prev_length = MIN_MATCH-1; + s->match_available = 0; + s->ins_h = 0; +#ifndef FASTEST +#ifdef ASMV + match_init(); /* initialize the asm code */ +#endif +#endif +} + +#ifndef FASTEST +/* =========================================================================== + * Set match_start to the longest match starting at the given string and + * return its length. Matches shorter or equal to prev_length are discarded, + * in which case the result is equal to prev_length and match_start is + * garbage. + * IN assertions: cur_match is the head of the hash chain for the current + * string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1 + * OUT assertion: the match length is not greater than s->lookahead. + */ +#ifndef ASMV +/* For 80x86 and 680x0, an optimized version will be provided in match.asm or + * match.S. The code will be functionally equivalent. + */ +local uInt longest_match(s, cur_match) + deflate_state *s; + IPos cur_match; /* current match */ +{ + unsigned chain_length = s->max_chain_length;/* max hash chain length */ + register Bytef *scan = s->window + s->strstart; /* current string */ + register Bytef *match; /* matched string */ + register int len; /* length of current match */ + int best_len = s->prev_length; /* best match length so far */ + int nice_match = s->nice_match; /* stop if match long enough */ + IPos limit = s->strstart > (IPos)MAX_DIST(s) ? + s->strstart - (IPos)MAX_DIST(s) : NIL; + /* Stop when cur_match becomes <= limit. To simplify the code, + * we prevent matches with the string of window index 0. + */ + Posf *prev = s->prev; + uInt wmask = s->w_mask; + +#ifdef UNALIGNED_OK + /* Compare two bytes at a time. Note: this is not always beneficial. + * Try with and without -DUNALIGNED_OK to check. + */ + register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1; + register ush scan_start = *(ushf*)scan; + register ush scan_end = *(ushf*)(scan+best_len-1); +#else + register Bytef *strend = s->window + s->strstart + MAX_MATCH; + register Byte scan_end1 = scan[best_len-1]; + register Byte scan_end = scan[best_len]; +#endif + + /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. + * It is easy to get rid of this optimization if necessary. + */ + Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); + + /* Do not waste too much time if we already have a good match: */ + if (s->prev_length >= s->good_match) { + chain_length >>= 2; + } + /* Do not look for matches beyond the end of the input. This is necessary + * to make deflate deterministic. + */ + if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; + + Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead"); + + do { + Assert(cur_match < s->strstart, "no future"); + match = s->window + cur_match; + + /* Skip to next match if the match length cannot increase + * or if the match length is less than 2. Note that the checks below + * for insufficient lookahead only occur occasionally for performance + * reasons. Therefore uninitialized memory will be accessed, and + * conditional jumps will be made that depend on those values. + * However the length of the match is limited to the lookahead, so + * the output of deflate is not affected by the uninitialized values. + */ +#if (defined(UNALIGNED_OK) && MAX_MATCH == 258) + /* This code assumes sizeof(unsigned short) == 2. Do not use + * UNALIGNED_OK if your compiler uses a different size. + */ + if (*(ushf*)(match+best_len-1) != scan_end || + *(ushf*)match != scan_start) continue; + + /* It is not necessary to compare scan[2] and match[2] since they are + * always equal when the other bytes match, given that the hash keys + * are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at + * strstart+3, +5, ... up to strstart+257. We check for insufficient + * lookahead only every 4th comparison; the 128th check will be made + * at strstart+257. If MAX_MATCH-2 is not a multiple of 8, it is + * necessary to put more guard bytes at the end of the window, or + * to check more often for insufficient lookahead. + */ + Assert(scan[2] == match[2], "scan[2]?"); + scan++, match++; + do { + } while (*(ushf*)(scan+=2) == *(ushf*)(match+=2) && + *(ushf*)(scan+=2) == *(ushf*)(match+=2) && + *(ushf*)(scan+=2) == *(ushf*)(match+=2) && + *(ushf*)(scan+=2) == *(ushf*)(match+=2) && + scan < strend); + /* The funny "do {}" generates better code on most compilers */ + + /* Here, scan <= window+strstart+257 */ + Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); + if (*scan == *match) scan++; + + len = (MAX_MATCH - 1) - (int)(strend-scan); + scan = strend - (MAX_MATCH-1); + +#else /* UNALIGNED_OK */ + + if (match[best_len] != scan_end || + match[best_len-1] != scan_end1 || + *match != *scan || + *++match != scan[1]) continue; + + /* The check at best_len-1 can be removed because it will be made + * again later. (This heuristic is not always a win.) + * It is not necessary to compare scan[2] and match[2] since they + * are always equal when the other bytes match, given that + * the hash keys are equal and that HASH_BITS >= 8. + */ + scan += 2, match++; + Assert(*scan == *match, "match[2]?"); + + /* We check for insufficient lookahead only every 8th comparison; + * the 256th check will be made at strstart+258. + */ + do { + } while (*++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + scan < strend); + + Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); + + len = MAX_MATCH - (int)(strend - scan); + scan = strend - MAX_MATCH; + +#endif /* UNALIGNED_OK */ + + if (len > best_len) { + s->match_start = cur_match; + best_len = len; + if (len >= nice_match) break; +#ifdef UNALIGNED_OK + scan_end = *(ushf*)(scan+best_len-1); +#else + scan_end1 = scan[best_len-1]; + scan_end = scan[best_len]; +#endif + } + } while ((cur_match = prev[cur_match & wmask]) > limit + && --chain_length != 0); + + if ((uInt)best_len <= s->lookahead) return (uInt)best_len; + return s->lookahead; +} +#endif /* ASMV */ +#endif /* FASTEST */ + +/* --------------------------------------------------------------------------- + * Optimized version for level == 1 or strategy == Z_RLE only + */ +local uInt longest_match_fast(s, cur_match) + deflate_state *s; + IPos cur_match; /* current match */ +{ + register Bytef *scan = s->window + s->strstart; /* current string */ + register Bytef *match; /* matched string */ + register int len; /* length of current match */ + register Bytef *strend = s->window + s->strstart + MAX_MATCH; + + /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. + * It is easy to get rid of this optimization if necessary. + */ + Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); + + Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead"); + + Assert(cur_match < s->strstart, "no future"); + + match = s->window + cur_match; + + /* Return failure if the match length is less than 2: + */ + if (match[0] != scan[0] || match[1] != scan[1]) return MIN_MATCH-1; + + /* The check at best_len-1 can be removed because it will be made + * again later. (This heuristic is not always a win.) + * It is not necessary to compare scan[2] and match[2] since they + * are always equal when the other bytes match, given that + * the hash keys are equal and that HASH_BITS >= 8. + */ + scan += 2, match += 2; + Assert(*scan == *match, "match[2]?"); + + /* We check for insufficient lookahead only every 8th comparison; + * the 256th check will be made at strstart+258. + */ + do { + } while (*++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + *++scan == *++match && *++scan == *++match && + scan < strend); + + Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); + + len = MAX_MATCH - (int)(strend - scan); + + if (len < MIN_MATCH) return MIN_MATCH - 1; + + s->match_start = cur_match; + return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead; +} + +#ifdef DEBUG +/* =========================================================================== + * Check that the match at match_start is indeed a match. + */ +local void check_match(s, start, match, length) + deflate_state *s; + IPos start, match; + int length; +{ + /* check that the match is indeed a match */ + if (zmemcmp(s->window + match, + s->window + start, length) != EQUAL) { + fprintf(stderr, " start %u, match %u, length %d\n", + start, match, length); + do { + fprintf(stderr, "%c%c", s->window[match++], s->window[start++]); + } while (--length != 0); + z_error("invalid match"); + } + if (z_verbose > 1) { + fprintf(stderr,"\\[%d,%d]", start-match, length); + do { putc(s->window[start++], stderr); } while (--length != 0); + } +} +#else +# define check_match(s, start, match, length) +#endif /* DEBUG */ + +/* =========================================================================== + * Fill the window when the lookahead becomes insufficient. + * Updates strstart and lookahead. + * + * IN assertion: lookahead < MIN_LOOKAHEAD + * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD + * At least one byte has been read, or avail_in == 0; reads are + * performed for at least two bytes (required for the zip translate_eol + * option -- not supported here). + */ +local void fill_window(s) + deflate_state *s; +{ + register unsigned n, m; + register Posf *p; + unsigned more; /* Amount of free space at the end of the window. */ + uInt wsize = s->w_size; + + do { + more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart); + + /* Deal with !@#$% 64K limit: */ + if (sizeof(int) <= 2) { + if (more == 0 && s->strstart == 0 && s->lookahead == 0) { + more = wsize; + + } else if (more == (unsigned)(-1)) { + /* Very unlikely, but possible on 16 bit machine if + * strstart == 0 && lookahead == 1 (input done a byte at time) + */ + more--; + } + } + + /* If the window is almost full and there is insufficient lookahead, + * move the upper half to the lower one to make room in the upper half. + */ + if (s->strstart >= wsize+MAX_DIST(s)) { + + zmemcpy(s->window, s->window+wsize, (unsigned)wsize); + s->match_start -= wsize; + s->strstart -= wsize; /* we now have strstart >= MAX_DIST */ + s->block_start -= (long) wsize; + + /* Slide the hash table (could be avoided with 32 bit values + at the expense of memory usage). We slide even when level == 0 + to keep the hash table consistent if we switch back to level > 0 + later. (Using level 0 permanently is not an optimal usage of + zlib, so we don't care about this pathological case.) + */ + /* %%% avoid this when Z_RLE */ + n = s->hash_size; + p = &s->head[n]; + do { + m = *--p; + *p = (Pos)(m >= wsize ? m-wsize : NIL); + } while (--n); + + n = wsize; +#ifndef FASTEST + p = &s->prev[n]; + do { + m = *--p; + *p = (Pos)(m >= wsize ? m-wsize : NIL); + /* If n is not on any hash chain, prev[n] is garbage but + * its value will never be used. + */ + } while (--n); +#endif + more += wsize; + } + if (s->strm->avail_in == 0) return; + + /* If there was no sliding: + * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && + * more == window_size - lookahead - strstart + * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) + * => more >= window_size - 2*WSIZE + 2 + * In the BIG_MEM or MMAP case (not yet supported), + * window_size == input_size + MIN_LOOKAHEAD && + * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. + * Otherwise, window_size == 2*WSIZE so more >= 2. + * If there was sliding, more >= WSIZE. So in all cases, more >= 2. + */ + Assert(more >= 2, "more < 2"); + + n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more); + s->lookahead += n; + + /* Initialize the hash value now that we have some input: */ + if (s->lookahead >= MIN_MATCH) { + s->ins_h = s->window[s->strstart]; + UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]); +#if MIN_MATCH != 3 + Call UPDATE_HASH() MIN_MATCH-3 more times +#endif + } + /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, + * but this is not important since only literal bytes will be emitted. + */ + + } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0); +} + +/* =========================================================================== + * Flush the current block, with given end-of-file flag. + * IN assertion: strstart is set to the end of the current match. + */ +#define FLUSH_BLOCK_ONLY(s, eof) { \ + _tr_flush_block(s, (s->block_start >= 0L ? \ + (charf *)&s->window[(unsigned)s->block_start] : \ + (charf *)Z_NULL), \ + (ulg)((long)s->strstart - s->block_start), \ + (eof)); \ + s->block_start = s->strstart; \ + flush_pending(s->strm); \ + Tracev((stderr,"[FLUSH]")); \ +} + +/* Same but force premature exit if necessary. */ +#define FLUSH_BLOCK(s, eof) { \ + FLUSH_BLOCK_ONLY(s, eof); \ + if (s->strm->avail_out == 0) return (eof) ? finish_started : need_more; \ +} + +/* =========================================================================== + * Copy without compression as much as possible from the input stream, return + * the current block state. + * This function does not insert new strings in the dictionary since + * uncompressible data is probably not useful. This function is used + * only for the level=0 compression option. + * NOTE: this function should be optimized to avoid extra copying from + * window to pending_buf. + */ +local block_state deflate_stored(s, flush) + deflate_state *s; + int flush; +{ + /* Stored blocks are limited to 0xffff bytes, pending_buf is limited + * to pending_buf_size, and each stored block has a 5 byte header: + */ + ulg max_block_size = 0xffff; + ulg max_start; + + if (max_block_size > s->pending_buf_size - 5) { + max_block_size = s->pending_buf_size - 5; + } + + /* Copy as much as possible from input to output: */ + for (;;) { + /* Fill the window as much as possible: */ + if (s->lookahead <= 1) { + + Assert(s->strstart < s->w_size+MAX_DIST(s) || + s->block_start >= (long)s->w_size, "slide too late"); + + fill_window(s); + if (s->lookahead == 0 && flush == Z_NO_FLUSH) return need_more; + + if (s->lookahead == 0) break; /* flush the current block */ + } + Assert(s->block_start >= 0L, "block gone"); + + s->strstart += s->lookahead; + s->lookahead = 0; + + /* Emit a stored block if pending_buf will be full: */ + max_start = s->block_start + max_block_size; + if (s->strstart == 0 || (ulg)s->strstart >= max_start) { + /* strstart == 0 is possible when wraparound on 16-bit machine */ + s->lookahead = (uInt)(s->strstart - max_start); + s->strstart = (uInt)max_start; + FLUSH_BLOCK(s, 0); + } + /* Flush if we may have to slide, otherwise block_start may become + * negative and the data will be gone: + */ + if (s->strstart - (uInt)s->block_start >= MAX_DIST(s)) { + FLUSH_BLOCK(s, 0); + } + } + FLUSH_BLOCK(s, flush == Z_FINISH); + return flush == Z_FINISH ? finish_done : block_done; +} + +/* =========================================================================== + * Compress as much as possible from the input stream, return the current + * block state. + * This function does not perform lazy evaluation of matches and inserts + * new strings in the dictionary only for unmatched strings or for short + * matches. It is used only for the fast compression options. + */ +local block_state deflate_fast(s, flush) + deflate_state *s; + int flush; +{ + IPos hash_head = NIL; /* head of the hash chain */ + int bflush; /* set if current block must be flushed */ + + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the next match, plus MIN_MATCH bytes to insert the + * string following the next match. + */ + if (s->lookahead < MIN_LOOKAHEAD) { + fill_window(s); + if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* Insert the string window[strstart .. strstart+2] in the + * dictionary, and set hash_head to the head of the hash chain: + */ + if (s->lookahead >= MIN_MATCH) { + INSERT_STRING(s, s->strstart, hash_head); + } + + /* Find the longest match, discarding those <= prev_length. + * At this point we have always match_length < MIN_MATCH + */ + if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) { + /* To simplify the code, we prevent matches with the string + * of window index 0 (in particular we have to avoid a match + * of the string with itself at the start of the input file). + */ +#ifdef FASTEST + if ((s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) || + (s->strategy == Z_RLE && s->strstart - hash_head == 1)) { + s->match_length = longest_match_fast (s, hash_head); + } +#else + if (s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) { + s->match_length = longest_match (s, hash_head); + } else if (s->strategy == Z_RLE && s->strstart - hash_head == 1) { + s->match_length = longest_match_fast (s, hash_head); + } +#endif + /* longest_match() or longest_match_fast() sets match_start */ + } + if (s->match_length >= MIN_MATCH) { + check_match(s, s->strstart, s->match_start, s->match_length); + + _tr_tally_dist(s, s->strstart - s->match_start, + s->match_length - MIN_MATCH, bflush); + + s->lookahead -= s->match_length; + + /* Insert new strings in the hash table only if the match length + * is not too large. This saves time but degrades compression. + */ +#ifndef FASTEST + if (s->match_length <= s->max_insert_length && + s->lookahead >= MIN_MATCH) { + s->match_length--; /* string at strstart already in table */ + do { + s->strstart++; + INSERT_STRING(s, s->strstart, hash_head); + /* strstart never exceeds WSIZE-MAX_MATCH, so there are + * always MIN_MATCH bytes ahead. + */ + } while (--s->match_length != 0); + s->strstart++; + } else +#endif + { + s->strstart += s->match_length; + s->match_length = 0; + s->ins_h = s->window[s->strstart]; + UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]); +#if MIN_MATCH != 3 + Call UPDATE_HASH() MIN_MATCH-3 more times +#endif + /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not + * matter since it will be recomputed at next deflate call. + */ + } + } else { + /* No match, output a literal byte */ + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit (s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + } + if (bflush) FLUSH_BLOCK(s, 0); + } + FLUSH_BLOCK(s, flush == Z_FINISH); + return flush == Z_FINISH ? finish_done : block_done; +} + +#ifndef FASTEST +/* =========================================================================== + * Same as above, but achieves better compression. We use a lazy + * evaluation for matches: a match is finally adopted only if there is + * no better match at the next window position. + */ +local block_state deflate_slow(s, flush) + deflate_state *s; + int flush; +{ + IPos hash_head = NIL; /* head of hash chain */ + int bflush; /* set if current block must be flushed */ + + /* Process the input block. */ + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the next match, plus MIN_MATCH bytes to insert the + * string following the next match. + */ + if (s->lookahead < MIN_LOOKAHEAD) { + fill_window(s); + if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* Insert the string window[strstart .. strstart+2] in the + * dictionary, and set hash_head to the head of the hash chain: + */ + if (s->lookahead >= MIN_MATCH) { + INSERT_STRING(s, s->strstart, hash_head); + } + + /* Find the longest match, discarding those <= prev_length. + */ + s->prev_length = s->match_length, s->prev_match = s->match_start; + s->match_length = MIN_MATCH-1; + + if (hash_head != NIL && s->prev_length < s->max_lazy_match && + s->strstart - hash_head <= MAX_DIST(s)) { + /* To simplify the code, we prevent matches with the string + * of window index 0 (in particular we have to avoid a match + * of the string with itself at the start of the input file). + */ + if (s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) { + s->match_length = longest_match (s, hash_head); + } else if (s->strategy == Z_RLE && s->strstart - hash_head == 1) { + s->match_length = longest_match_fast (s, hash_head); + } + /* longest_match() or longest_match_fast() sets match_start */ + + if (s->match_length <= 5 && (s->strategy == Z_FILTERED +#if TOO_FAR <= 32767 + || (s->match_length == MIN_MATCH && + s->strstart - s->match_start > TOO_FAR) +#endif + )) { + + /* If prev_match is also MIN_MATCH, match_start is garbage + * but we will ignore the current match anyway. + */ + s->match_length = MIN_MATCH-1; + } + } + /* If there was a match at the previous step and the current + * match is not better, output the previous match: + */ + if (s->prev_length >= MIN_MATCH && s->match_length <= s->prev_length) { + uInt max_insert = s->strstart + s->lookahead - MIN_MATCH; + /* Do not insert strings in hash table beyond this. */ + + check_match(s, s->strstart-1, s->prev_match, s->prev_length); + + _tr_tally_dist(s, s->strstart -1 - s->prev_match, + s->prev_length - MIN_MATCH, bflush); + + /* Insert in hash table all strings up to the end of the match. + * strstart-1 and strstart are already inserted. If there is not + * enough lookahead, the last two strings are not inserted in + * the hash table. + */ + s->lookahead -= s->prev_length-1; + s->prev_length -= 2; + do { + if (++s->strstart <= max_insert) { + INSERT_STRING(s, s->strstart, hash_head); + } + } while (--s->prev_length != 0); + s->match_available = 0; + s->match_length = MIN_MATCH-1; + s->strstart++; + + if (bflush) FLUSH_BLOCK(s, 0); + + } else if (s->match_available) { + /* If there was no match at the previous position, output a + * single literal. If there was a match but the current match + * is longer, truncate the previous match to a single literal. + */ + Tracevv((stderr,"%c", s->window[s->strstart-1])); + _tr_tally_lit(s, s->window[s->strstart-1], bflush); + if (bflush) { + FLUSH_BLOCK_ONLY(s, 0); + } + s->strstart++; + s->lookahead--; + if (s->strm->avail_out == 0) return need_more; + } else { + /* There is no previous match to compare with, wait for + * the next step to decide. + */ + s->match_available = 1; + s->strstart++; + s->lookahead--; + } + } + Assert (flush != Z_NO_FLUSH, "no flush?"); + if (s->match_available) { + Tracevv((stderr,"%c", s->window[s->strstart-1])); + _tr_tally_lit(s, s->window[s->strstart-1], bflush); + s->match_available = 0; + } + FLUSH_BLOCK(s, flush == Z_FINISH); + return flush == Z_FINISH ? finish_done : block_done; +} +#endif /* FASTEST */ + +#if 0 +/* =========================================================================== + * For Z_RLE, simply look for runs of bytes, generate matches only of distance + * one. Do not maintain a hash table. (It will be regenerated if this run of + * deflate switches away from Z_RLE.) + */ +local block_state deflate_rle(s, flush) + deflate_state *s; + int flush; +{ + int bflush; /* set if current block must be flushed */ + uInt run; /* length of run */ + uInt max; /* maximum length of run */ + uInt prev; /* byte at distance one to match */ + Bytef *scan; /* scan for end of run */ + + for (;;) { + /* Make sure that we always have enough lookahead, except + * at the end of the input file. We need MAX_MATCH bytes + * for the longest encodable run. + */ + if (s->lookahead < MAX_MATCH) { + fill_window(s); + if (s->lookahead < MAX_MATCH && flush == Z_NO_FLUSH) { + return need_more; + } + if (s->lookahead == 0) break; /* flush the current block */ + } + + /* See how many times the previous byte repeats */ + run = 0; + if (s->strstart > 0) { /* if there is a previous byte, that is */ + max = s->lookahead < MAX_MATCH ? s->lookahead : MAX_MATCH; + scan = s->window + s->strstart - 1; + prev = *scan++; + do { + if (*scan++ != prev) + break; + } while (++run < max); + } + + /* Emit match if have run of MIN_MATCH or longer, else emit literal */ + if (run >= MIN_MATCH) { + check_match(s, s->strstart, s->strstart - 1, run); + _tr_tally_dist(s, 1, run - MIN_MATCH, bflush); + s->lookahead -= run; + s->strstart += run; + } else { + /* No match, output a literal byte */ + Tracevv((stderr,"%c", s->window[s->strstart])); + _tr_tally_lit (s, s->window[s->strstart], bflush); + s->lookahead--; + s->strstart++; + } + if (bflush) FLUSH_BLOCK(s, 0); + } + FLUSH_BLOCK(s, flush == Z_FINISH); + return flush == Z_FINISH ? finish_done : block_done; +} +#endif diff --git a/Build/source/libs/zlib/zlib-1.2.3/deflate.h b/Build/source/libs/zlib/zlib-1.2.3/deflate.h new file mode 100644 index 00000000000..05a5ab3a2c1 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/deflate.h @@ -0,0 +1,331 @@ +/* deflate.h -- internal compression state + * Copyright (C) 1995-2004 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* @(#) $Id$ */ + +#ifndef DEFLATE_H +#define DEFLATE_H + +#include "zutil.h" + +/* define NO_GZIP when compiling if you want to disable gzip header and + trailer creation by deflate(). NO_GZIP would be used to avoid linking in + the crc code when it is not needed. For shared libraries, gzip encoding + should be left enabled. */ +#ifndef NO_GZIP +# define GZIP +#endif + +/* =========================================================================== + * Internal compression state. + */ + +#define LENGTH_CODES 29 +/* number of length codes, not counting the special END_BLOCK code */ + +#define LITERALS 256 +/* number of literal bytes 0..255 */ + +#define L_CODES (LITERALS+1+LENGTH_CODES) +/* number of Literal or Length codes, including the END_BLOCK code */ + +#define D_CODES 30 +/* number of distance codes */ + +#define BL_CODES 19 +/* number of codes used to transfer the bit lengths */ + +#define HEAP_SIZE (2*L_CODES+1) +/* maximum heap size */ + +#define MAX_BITS 15 +/* All codes must not exceed MAX_BITS bits */ + +#define INIT_STATE 42 +#define EXTRA_STATE 69 +#define NAME_STATE 73 +#define COMMENT_STATE 91 +#define HCRC_STATE 103 +#define BUSY_STATE 113 +#define FINISH_STATE 666 +/* Stream status */ + + +/* Data structure describing a single value and its code string. */ +typedef struct ct_data_s { + union { + ush freq; /* frequency count */ + ush code; /* bit string */ + } fc; + union { + ush dad; /* father node in Huffman tree */ + ush len; /* length of bit string */ + } dl; +} FAR ct_data; + +#define Freq fc.freq +#define Code fc.code +#define Dad dl.dad +#define Len dl.len + +typedef struct static_tree_desc_s static_tree_desc; + +typedef struct tree_desc_s { + ct_data *dyn_tree; /* the dynamic tree */ + int max_code; /* largest code with non zero frequency */ + static_tree_desc *stat_desc; /* the corresponding static tree */ +} FAR tree_desc; + +typedef ush Pos; +typedef Pos FAR Posf; +typedef unsigned IPos; + +/* A Pos is an index in the character window. We use short instead of int to + * save space in the various tables. IPos is used only for parameter passing. + */ + +typedef struct internal_state { + z_streamp strm; /* pointer back to this zlib stream */ + int status; /* as the name implies */ + Bytef *pending_buf; /* output still pending */ + ulg pending_buf_size; /* size of pending_buf */ + Bytef *pending_out; /* next pending byte to output to the stream */ + uInt pending; /* nb of bytes in the pending buffer */ + int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ + gz_headerp gzhead; /* gzip header information to write */ + uInt gzindex; /* where in extra, name, or comment */ + Byte method; /* STORED (for zip only) or DEFLATED */ + int last_flush; /* value of flush param for previous deflate call */ + + /* used by deflate.c: */ + + uInt w_size; /* LZ77 window size (32K by default) */ + uInt w_bits; /* log2(w_size) (8..16) */ + uInt w_mask; /* w_size - 1 */ + + Bytef *window; + /* Sliding window. Input bytes are read into the second half of the window, + * and move to the first half later to keep a dictionary of at least wSize + * bytes. With this organization, matches are limited to a distance of + * wSize-MAX_MATCH bytes, but this ensures that IO is always + * performed with a length multiple of the block size. Also, it limits + * the window size to 64K, which is quite useful on MSDOS. + * To do: use the user input buffer as sliding window. + */ + + ulg window_size; + /* Actual size of window: 2*wSize, except when the user input buffer + * is directly used as sliding window. + */ + + Posf *prev; + /* Link to older string with same hash index. To limit the size of this + * array to 64K, this link is maintained only for the last 32K strings. + * An index in this array is thus a window index modulo 32K. + */ + + Posf *head; /* Heads of the hash chains or NIL. */ + + uInt ins_h; /* hash index of string to be inserted */ + uInt hash_size; /* number of elements in hash table */ + uInt hash_bits; /* log2(hash_size) */ + uInt hash_mask; /* hash_size-1 */ + + uInt hash_shift; + /* Number of bits by which ins_h must be shifted at each input + * step. It must be such that after MIN_MATCH steps, the oldest + * byte no longer takes part in the hash key, that is: + * hash_shift * MIN_MATCH >= hash_bits + */ + + long block_start; + /* Window position at the beginning of the current output block. Gets + * negative when the window is moved backwards. + */ + + uInt match_length; /* length of best match */ + IPos prev_match; /* previous match */ + int match_available; /* set if previous match exists */ + uInt strstart; /* start of string to insert */ + uInt match_start; /* start of matching string */ + uInt lookahead; /* number of valid bytes ahead in window */ + + uInt prev_length; + /* Length of the best match at previous step. Matches not greater than this + * are discarded. This is used in the lazy match evaluation. + */ + + uInt max_chain_length; + /* To speed up deflation, hash chains are never searched beyond this + * length. A higher limit improves compression ratio but degrades the + * speed. + */ + + uInt max_lazy_match; + /* Attempt to find a better match only when the current match is strictly + * smaller than this value. This mechanism is used only for compression + * levels >= 4. + */ +# define max_insert_length max_lazy_match + /* Insert new strings in the hash table only if the match length is not + * greater than this length. This saves time but degrades compression. + * max_insert_length is used only for compression levels <= 3. + */ + + int level; /* compression level (1..9) */ + int strategy; /* favor or force Huffman coding*/ + + uInt good_match; + /* Use a faster search when the previous match is longer than this */ + + int nice_match; /* Stop searching when current match exceeds this */ + + /* used by trees.c: */ + /* Didn't use ct_data typedef below to supress compiler warning */ + struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */ + struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */ + struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */ + + struct tree_desc_s l_desc; /* desc. for literal tree */ + struct tree_desc_s d_desc; /* desc. for distance tree */ + struct tree_desc_s bl_desc; /* desc. for bit length tree */ + + ush bl_count[MAX_BITS+1]; + /* number of codes at each bit length for an optimal tree */ + + int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */ + int heap_len; /* number of elements in the heap */ + int heap_max; /* element of largest frequency */ + /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used. + * The same heap array is used to build all trees. + */ + + uch depth[2*L_CODES+1]; + /* Depth of each subtree used as tie breaker for trees of equal frequency + */ + + uchf *l_buf; /* buffer for literals or lengths */ + + uInt lit_bufsize; + /* Size of match buffer for literals/lengths. There are 4 reasons for + * limiting lit_bufsize to 64K: + * - frequencies can be kept in 16 bit counters + * - if compression is not successful for the first block, all input + * data is still in the window so we can still emit a stored block even + * when input comes from standard input. (This can also be done for + * all blocks if lit_bufsize is not greater than 32K.) + * - if compression is not successful for a file smaller than 64K, we can + * even emit a stored file instead of a stored block (saving 5 bytes). + * This is applicable only for zip (not gzip or zlib). + * - creating new Huffman trees less frequently may not provide fast + * adaptation to changes in the input data statistics. (Take for + * example a binary file with poorly compressible code followed by + * a highly compressible string table.) Smaller buffer sizes give + * fast adaptation but have of course the overhead of transmitting + * trees more frequently. + * - I can't count above 4 + */ + + uInt last_lit; /* running index in l_buf */ + + ushf *d_buf; + /* Buffer for distances. To simplify the code, d_buf and l_buf have + * the same number of elements. To use different lengths, an extra flag + * array would be necessary. + */ + + ulg opt_len; /* bit length of current block with optimal trees */ + ulg static_len; /* bit length of current block with static trees */ + uInt matches; /* number of string matches in current block */ + int last_eob_len; /* bit length of EOB code for last block */ + +#ifdef DEBUG + ulg compressed_len; /* total bit length of compressed file mod 2^32 */ + ulg bits_sent; /* bit length of compressed data sent mod 2^32 */ +#endif + + ush bi_buf; + /* Output buffer. bits are inserted starting at the bottom (least + * significant bits). + */ + int bi_valid; + /* Number of valid bits in bi_buf. All bits above the last valid bit + * are always zero. + */ + +} FAR deflate_state; + +/* Output a byte on the stream. + * IN assertion: there is enough room in pending_buf. + */ +#define put_byte(s, c) {s->pending_buf[s->pending++] = (c);} + + +#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1) +/* Minimum amount of lookahead, except at the end of the input file. + * See deflate.c for comments about the MIN_MATCH+1. + */ + +#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD) +/* In order to simplify the code, particularly on 16 bit machines, match + * distances are limited to MAX_DIST instead of WSIZE. + */ + + /* in trees.c */ +void _tr_init OF((deflate_state *s)); +int _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); +void _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len, + int eof)); +void _tr_align OF((deflate_state *s)); +void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len, + int eof)); + +#define d_code(dist) \ + ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)]) +/* Mapping from a distance to a distance code. dist is the distance - 1 and + * must not have side effects. _dist_code[256] and _dist_code[257] are never + * used. + */ + +#ifndef DEBUG +/* Inline versions of _tr_tally for speed: */ + +#if defined(GEN_TREES_H) || !defined(STDC) + extern uch _length_code[]; + extern uch _dist_code[]; +#else + extern const uch _length_code[]; + extern const uch _dist_code[]; +#endif + +# define _tr_tally_lit(s, c, flush) \ + { uch cc = (c); \ + s->d_buf[s->last_lit] = 0; \ + s->l_buf[s->last_lit++] = cc; \ + s->dyn_ltree[cc].Freq++; \ + flush = (s->last_lit == s->lit_bufsize-1); \ + } +# define _tr_tally_dist(s, distance, length, flush) \ + { uch len = (length); \ + ush dist = (distance); \ + s->d_buf[s->last_lit] = dist; \ + s->l_buf[s->last_lit++] = len; \ + dist--; \ + s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \ + s->dyn_dtree[d_code(dist)].Freq++; \ + flush = (s->last_lit == s->lit_bufsize-1); \ + } +#else +# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) +# define _tr_tally_dist(s, distance, length, flush) \ + flush = _tr_tally(s, distance, length) +#endif + +#endif /* DEFLATE_H */ diff --git a/Build/source/libs/zlib/zlib-1.2.3/example.c b/Build/source/libs/zlib/zlib-1.2.3/example.c new file mode 100644 index 00000000000..6c8a0ee7633 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/example.c @@ -0,0 +1,565 @@ +/* example.c -- usage example of the zlib compression library + * Copyright (C) 1995-2004 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#include +#include "zlib.h" + +#ifdef STDC +# include +# include +#endif + +#if defined(VMS) || defined(RISCOS) +# define TESTFILE "foo-gz" +#else +# define TESTFILE "foo.gz" +#endif + +#define CHECK_ERR(err, msg) { \ + if (err != Z_OK) { \ + fprintf(stderr, "%s error: %d\n", msg, err); \ + exit(1); \ + } \ +} + +const char hello[] = "hello, hello!"; +/* "hello world" would be more standard, but the repeated "hello" + * stresses the compression code better, sorry... + */ + +const char dictionary[] = "hello"; +uLong dictId; /* Adler32 value of the dictionary */ + +void test_compress OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_gzio OF((const char *fname, + Byte *uncompr, uLong uncomprLen)); +void test_deflate OF((Byte *compr, uLong comprLen)); +void test_inflate OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_large_deflate OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_large_inflate OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_flush OF((Byte *compr, uLong *comprLen)); +void test_sync OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +void test_dict_deflate OF((Byte *compr, uLong comprLen)); +void test_dict_inflate OF((Byte *compr, uLong comprLen, + Byte *uncompr, uLong uncomprLen)); +int main OF((int argc, char *argv[])); + +/* =========================================================================== + * Test compress() and uncompress() + */ +void test_compress(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + uLong len = (uLong)strlen(hello)+1; + + err = compress(compr, &comprLen, (const Bytef*)hello, len); + CHECK_ERR(err, "compress"); + + strcpy((char*)uncompr, "garbage"); + + err = uncompress(uncompr, &uncomprLen, compr, comprLen); + CHECK_ERR(err, "uncompress"); + + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad uncompress\n"); + exit(1); + } else { + printf("uncompress(): %s\n", (char *)uncompr); + } +} + +/* =========================================================================== + * Test read/write of .gz files + */ +void test_gzio(fname, uncompr, uncomprLen) + const char *fname; /* compressed file name */ + Byte *uncompr; + uLong uncomprLen; +{ +#ifdef NO_GZCOMPRESS + fprintf(stderr, "NO_GZCOMPRESS -- gz* functions cannot compress\n"); +#else + int err; + int len = (int)strlen(hello)+1; + gzFile file; + z_off_t pos; + + file = gzopen(fname, "wb"); + if (file == NULL) { + fprintf(stderr, "gzopen error\n"); + exit(1); + } + gzputc(file, 'h'); + if (gzputs(file, "ello") != 4) { + fprintf(stderr, "gzputs err: %s\n", gzerror(file, &err)); + exit(1); + } + if (gzprintf(file, ", %s!", "hello") != 8) { + fprintf(stderr, "gzprintf err: %s\n", gzerror(file, &err)); + exit(1); + } + gzseek(file, 1L, SEEK_CUR); /* add one zero byte */ + gzclose(file); + + file = gzopen(fname, "rb"); + if (file == NULL) { + fprintf(stderr, "gzopen error\n"); + exit(1); + } + strcpy((char*)uncompr, "garbage"); + + if (gzread(file, uncompr, (unsigned)uncomprLen) != len) { + fprintf(stderr, "gzread err: %s\n", gzerror(file, &err)); + exit(1); + } + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad gzread: %s\n", (char*)uncompr); + exit(1); + } else { + printf("gzread(): %s\n", (char*)uncompr); + } + + pos = gzseek(file, -8L, SEEK_CUR); + if (pos != 6 || gztell(file) != pos) { + fprintf(stderr, "gzseek error, pos=%ld, gztell=%ld\n", + (long)pos, (long)gztell(file)); + exit(1); + } + + if (gzgetc(file) != ' ') { + fprintf(stderr, "gzgetc error\n"); + exit(1); + } + + if (gzungetc(' ', file) != ' ') { + fprintf(stderr, "gzungetc error\n"); + exit(1); + } + + gzgets(file, (char*)uncompr, (int)uncomprLen); + if (strlen((char*)uncompr) != 7) { /* " hello!" */ + fprintf(stderr, "gzgets err after gzseek: %s\n", gzerror(file, &err)); + exit(1); + } + if (strcmp((char*)uncompr, hello + 6)) { + fprintf(stderr, "bad gzgets after gzseek\n"); + exit(1); + } else { + printf("gzgets() after gzseek: %s\n", (char*)uncompr); + } + + gzclose(file); +#endif +} + +/* =========================================================================== + * Test deflate() with small buffers + */ +void test_deflate(compr, comprLen) + Byte *compr; + uLong comprLen; +{ + z_stream c_stream; /* compression stream */ + int err; + uLong len = (uLong)strlen(hello)+1; + + c_stream.zalloc = (alloc_func)0; + c_stream.zfree = (free_func)0; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_in = (Bytef*)hello; + c_stream.next_out = compr; + + while (c_stream.total_in != len && c_stream.total_out < comprLen) { + c_stream.avail_in = c_stream.avail_out = 1; /* force small buffers */ + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + } + /* Finish the stream, still forcing small buffers: */ + for (;;) { + c_stream.avail_out = 1; + err = deflate(&c_stream, Z_FINISH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "deflate"); + } + + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); +} + +/* =========================================================================== + * Test inflate() with small buffers + */ +void test_inflate(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = (alloc_func)0; + d_stream.zfree = (free_func)0; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = 0; + d_stream.next_out = uncompr; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + while (d_stream.total_out < uncomprLen && d_stream.total_in < comprLen) { + d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */ + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "inflate"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad inflate\n"); + exit(1); + } else { + printf("inflate(): %s\n", (char *)uncompr); + } +} + +/* =========================================================================== + * Test deflate() with large buffers and dynamic change of compression level + */ +void test_large_deflate(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + z_stream c_stream; /* compression stream */ + int err; + + c_stream.zalloc = (alloc_func)0; + c_stream.zfree = (free_func)0; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_BEST_SPEED); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_out = compr; + c_stream.avail_out = (uInt)comprLen; + + /* At this point, uncompr is still mostly zeroes, so it should compress + * very well: + */ + c_stream.next_in = uncompr; + c_stream.avail_in = (uInt)uncomprLen; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + if (c_stream.avail_in != 0) { + fprintf(stderr, "deflate not greedy\n"); + exit(1); + } + + /* Feed in already compressed data and switch to no compression: */ + deflateParams(&c_stream, Z_NO_COMPRESSION, Z_DEFAULT_STRATEGY); + c_stream.next_in = compr; + c_stream.avail_in = (uInt)comprLen/2; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + + /* Switch back to compressing mode: */ + deflateParams(&c_stream, Z_BEST_COMPRESSION, Z_FILTERED); + c_stream.next_in = uncompr; + c_stream.avail_in = (uInt)uncomprLen; + err = deflate(&c_stream, Z_NO_FLUSH); + CHECK_ERR(err, "deflate"); + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + fprintf(stderr, "deflate should report Z_STREAM_END\n"); + exit(1); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); +} + +/* =========================================================================== + * Test inflate() with large buffers + */ +void test_large_inflate(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = (alloc_func)0; + d_stream.zfree = (free_func)0; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = (uInt)comprLen; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + for (;;) { + d_stream.next_out = uncompr; /* discard the output */ + d_stream.avail_out = (uInt)uncomprLen; + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + CHECK_ERR(err, "large inflate"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (d_stream.total_out != 2*uncomprLen + comprLen/2) { + fprintf(stderr, "bad large inflate: %ld\n", d_stream.total_out); + exit(1); + } else { + printf("large_inflate(): OK\n"); + } +} + +/* =========================================================================== + * Test deflate() with full flush + */ +void test_flush(compr, comprLen) + Byte *compr; + uLong *comprLen; +{ + z_stream c_stream; /* compression stream */ + int err; + uInt len = (uInt)strlen(hello)+1; + + c_stream.zalloc = (alloc_func)0; + c_stream.zfree = (free_func)0; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_DEFAULT_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + c_stream.next_in = (Bytef*)hello; + c_stream.next_out = compr; + c_stream.avail_in = 3; + c_stream.avail_out = (uInt)*comprLen; + err = deflate(&c_stream, Z_FULL_FLUSH); + CHECK_ERR(err, "deflate"); + + compr[3]++; /* force an error in first compressed block */ + c_stream.avail_in = len - 3; + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + CHECK_ERR(err, "deflate"); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); + + *comprLen = c_stream.total_out; +} + +/* =========================================================================== + * Test inflateSync() + */ +void test_sync(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = (alloc_func)0; + d_stream.zfree = (free_func)0; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = 2; /* just read the zlib header */ + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + d_stream.next_out = uncompr; + d_stream.avail_out = (uInt)uncomprLen; + + inflate(&d_stream, Z_NO_FLUSH); + CHECK_ERR(err, "inflate"); + + d_stream.avail_in = (uInt)comprLen-2; /* read all compressed data */ + err = inflateSync(&d_stream); /* but skip the damaged part */ + CHECK_ERR(err, "inflateSync"); + + err = inflate(&d_stream, Z_FINISH); + if (err != Z_DATA_ERROR) { + fprintf(stderr, "inflate should report DATA_ERROR\n"); + /* Because of incorrect adler32 */ + exit(1); + } + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + printf("after inflateSync(): hel%s\n", (char *)uncompr); +} + +/* =========================================================================== + * Test deflate() with preset dictionary + */ +void test_dict_deflate(compr, comprLen) + Byte *compr; + uLong comprLen; +{ + z_stream c_stream; /* compression stream */ + int err; + + c_stream.zalloc = (alloc_func)0; + c_stream.zfree = (free_func)0; + c_stream.opaque = (voidpf)0; + + err = deflateInit(&c_stream, Z_BEST_COMPRESSION); + CHECK_ERR(err, "deflateInit"); + + err = deflateSetDictionary(&c_stream, + (const Bytef*)dictionary, sizeof(dictionary)); + CHECK_ERR(err, "deflateSetDictionary"); + + dictId = c_stream.adler; + c_stream.next_out = compr; + c_stream.avail_out = (uInt)comprLen; + + c_stream.next_in = (Bytef*)hello; + c_stream.avail_in = (uInt)strlen(hello)+1; + + err = deflate(&c_stream, Z_FINISH); + if (err != Z_STREAM_END) { + fprintf(stderr, "deflate should report Z_STREAM_END\n"); + exit(1); + } + err = deflateEnd(&c_stream); + CHECK_ERR(err, "deflateEnd"); +} + +/* =========================================================================== + * Test inflate() with a preset dictionary + */ +void test_dict_inflate(compr, comprLen, uncompr, uncomprLen) + Byte *compr, *uncompr; + uLong comprLen, uncomprLen; +{ + int err; + z_stream d_stream; /* decompression stream */ + + strcpy((char*)uncompr, "garbage"); + + d_stream.zalloc = (alloc_func)0; + d_stream.zfree = (free_func)0; + d_stream.opaque = (voidpf)0; + + d_stream.next_in = compr; + d_stream.avail_in = (uInt)comprLen; + + err = inflateInit(&d_stream); + CHECK_ERR(err, "inflateInit"); + + d_stream.next_out = uncompr; + d_stream.avail_out = (uInt)uncomprLen; + + for (;;) { + err = inflate(&d_stream, Z_NO_FLUSH); + if (err == Z_STREAM_END) break; + if (err == Z_NEED_DICT) { + if (d_stream.adler != dictId) { + fprintf(stderr, "unexpected dictionary"); + exit(1); + } + err = inflateSetDictionary(&d_stream, (const Bytef*)dictionary, + sizeof(dictionary)); + } + CHECK_ERR(err, "inflate with dict"); + } + + err = inflateEnd(&d_stream); + CHECK_ERR(err, "inflateEnd"); + + if (strcmp((char*)uncompr, hello)) { + fprintf(stderr, "bad inflate with dict\n"); + exit(1); + } else { + printf("inflate with dictionary: %s\n", (char *)uncompr); + } +} + +/* =========================================================================== + * Usage: example [output.gz [input.gz]] + */ + +int main(argc, argv) + int argc; + char *argv[]; +{ + Byte *compr, *uncompr; + uLong comprLen = 10000*sizeof(int); /* don't overflow on MSDOS */ + uLong uncomprLen = comprLen; + static const char* myVersion = ZLIB_VERSION; + + if (zlibVersion()[0] != myVersion[0]) { + fprintf(stderr, "incompatible zlib version\n"); + exit(1); + + } else if (strcmp(zlibVersion(), ZLIB_VERSION) != 0) { + fprintf(stderr, "warning: different zlib version\n"); + } + + printf("zlib version %s = 0x%04x, compile flags = 0x%lx\n", + ZLIB_VERSION, ZLIB_VERNUM, zlibCompileFlags()); + + compr = (Byte*)calloc((uInt)comprLen, 1); + uncompr = (Byte*)calloc((uInt)uncomprLen, 1); + /* compr and uncompr are cleared to avoid reading uninitialized + * data and to ensure that uncompr compresses well. + */ + if (compr == Z_NULL || uncompr == Z_NULL) { + printf("out of memory\n"); + exit(1); + } + test_compress(compr, comprLen, uncompr, uncomprLen); + + test_gzio((argc > 1 ? argv[1] : TESTFILE), + uncompr, uncomprLen); + + test_deflate(compr, comprLen); + test_inflate(compr, comprLen, uncompr, uncomprLen); + + test_large_deflate(compr, comprLen, uncompr, uncomprLen); + test_large_inflate(compr, comprLen, uncompr, uncomprLen); + + test_flush(compr, &comprLen); + test_sync(compr, comprLen, uncompr, uncomprLen); + comprLen = uncomprLen; + + test_dict_deflate(compr, comprLen); + test_dict_inflate(compr, comprLen, uncompr, uncomprLen); + + free(compr); + free(uncompr); + + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/README.examples b/Build/source/libs/zlib/zlib-1.2.3/examples/README.examples new file mode 100644 index 00000000000..5632d7a4cc3 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/README.examples @@ -0,0 +1,42 @@ +This directory contains examples of the use of zlib. + +fitblk.c + compress just enough input to nearly fill a requested output size + - zlib isn't designed to do this, but fitblk does it anyway + +gun.c + uncompress a gzip file + - illustrates the use of inflateBack() for high speed file-to-file + decompression using call-back functions + - is approximately twice as fast as gzip -d + - also provides Unix uncompress functionality, again twice as fast + +gzappend.c + append to a gzip file + - illustrates the use of the Z_BLOCK flush parameter for inflate() + - illustrates the use of deflatePrime() to start at any bit + +gzjoin.c + join gzip files without recalculating the crc or recompressing + - illustrates the use of the Z_BLOCK flush parameter for inflate() + - illustrates the use of crc32_combine() + +gzlog.c +gzlog.h + efficiently maintain a message log file in gzip format + - illustrates use of raw deflate and Z_SYNC_FLUSH + - illustrates use of gzip header extra field + +zlib_how.html + painfully comprehensive description of zpipe.c (see below) + - describes in excruciating detail the use of deflate() and inflate() + +zpipe.c + reads and writes zlib streams from stdin to stdout + - illustrates the proper use of deflate() and inflate() + - deeply commented in zlib_how.html (see above) + +zran.c + index a zlib or gzip stream and randomly access it + - illustrates the use of Z_BLOCK, inflatePrime(), and + inflateSetDictionary() to provide random access diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/fitblk.c b/Build/source/libs/zlib/zlib-1.2.3/examples/fitblk.c new file mode 100644 index 00000000000..c61de5c9967 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/fitblk.c @@ -0,0 +1,233 @@ +/* fitblk.c: example of fitting compressed output to a specified size + Not copyrighted -- provided to the public domain + Version 1.1 25 November 2004 Mark Adler */ + +/* Version history: + 1.0 24 Nov 2004 First version + 1.1 25 Nov 2004 Change deflateInit2() to deflateInit() + Use fixed-size, stack-allocated raw buffers + Simplify code moving compression to subroutines + Use assert() for internal errors + Add detailed description of approach + */ + +/* Approach to just fitting a requested compressed size: + + fitblk performs three compression passes on a portion of the input + data in order to determine how much of that input will compress to + nearly the requested output block size. The first pass generates + enough deflate blocks to produce output to fill the requested + output size plus a specfied excess amount (see the EXCESS define + below). The last deflate block may go quite a bit past that, but + is discarded. The second pass decompresses and recompresses just + the compressed data that fit in the requested plus excess sized + buffer. The deflate process is terminated after that amount of + input, which is less than the amount consumed on the first pass. + The last deflate block of the result will be of a comparable size + to the final product, so that the header for that deflate block and + the compression ratio for that block will be about the same as in + the final product. The third compression pass decompresses the + result of the second step, but only the compressed data up to the + requested size minus an amount to allow the compressed stream to + complete (see the MARGIN define below). That will result in a + final compressed stream whose length is less than or equal to the + requested size. Assuming sufficient input and a requested size + greater than a few hundred bytes, the shortfall will typically be + less than ten bytes. + + If the input is short enough that the first compression completes + before filling the requested output size, then that compressed + stream is return with no recompression. + + EXCESS is chosen to be just greater than the shortfall seen in a + two pass approach similar to the above. That shortfall is due to + the last deflate block compressing more efficiently with a smaller + header on the second pass. EXCESS is set to be large enough so + that there is enough uncompressed data for the second pass to fill + out the requested size, and small enough so that the final deflate + block of the second pass will be close in size to the final deflate + block of the third and final pass. MARGIN is chosen to be just + large enough to assure that the final compression has enough room + to complete in all cases. + */ + +#include +#include +#include +#include "zlib.h" + +#define local static + +/* print nastygram and leave */ +local void quit(char *why) +{ + fprintf(stderr, "fitblk abort: %s\n", why); + exit(1); +} + +#define RAWLEN 4096 /* intermediate uncompressed buffer size */ + +/* compress from file to def until provided buffer is full or end of + input reached; return last deflate() return value, or Z_ERRNO if + there was read error on the file */ +local int partcompress(FILE *in, z_streamp def) +{ + int ret, flush; + unsigned char raw[RAWLEN]; + + flush = Z_NO_FLUSH; + do { + def->avail_in = fread(raw, 1, RAWLEN, in); + if (ferror(in)) + return Z_ERRNO; + def->next_in = raw; + if (feof(in)) + flush = Z_FINISH; + ret = deflate(def, flush); + assert(ret != Z_STREAM_ERROR); + } while (def->avail_out != 0 && flush == Z_NO_FLUSH); + return ret; +} + +/* recompress from inf's input to def's output; the input for inf and + the output for def are set in those structures before calling; + return last deflate() return value, or Z_MEM_ERROR if inflate() + was not able to allocate enough memory when it needed to */ +local int recompress(z_streamp inf, z_streamp def) +{ + int ret, flush; + unsigned char raw[RAWLEN]; + + flush = Z_NO_FLUSH; + do { + /* decompress */ + inf->avail_out = RAWLEN; + inf->next_out = raw; + ret = inflate(inf, Z_NO_FLUSH); + assert(ret != Z_STREAM_ERROR && ret != Z_DATA_ERROR && + ret != Z_NEED_DICT); + if (ret == Z_MEM_ERROR) + return ret; + + /* compress what was decompresed until done or no room */ + def->avail_in = RAWLEN - inf->avail_out; + def->next_in = raw; + if (inf->avail_out != 0) + flush = Z_FINISH; + ret = deflate(def, flush); + assert(ret != Z_STREAM_ERROR); + } while (ret != Z_STREAM_END && def->avail_out != 0); + return ret; +} + +#define EXCESS 256 /* empirically determined stream overage */ +#define MARGIN 8 /* amount to back off for completion */ + +/* compress from stdin to fixed-size block on stdout */ +int main(int argc, char **argv) +{ + int ret; /* return code */ + unsigned size; /* requested fixed output block size */ + unsigned have; /* bytes written by deflate() call */ + unsigned char *blk; /* intermediate and final stream */ + unsigned char *tmp; /* close to desired size stream */ + z_stream def, inf; /* zlib deflate and inflate states */ + + /* get requested output size */ + if (argc != 2) + quit("need one argument: size of output block"); + ret = strtol(argv[1], argv + 1, 10); + if (argv[1][0] != 0) + quit("argument must be a number"); + if (ret < 8) /* 8 is minimum zlib stream size */ + quit("need positive size of 8 or greater"); + size = (unsigned)ret; + + /* allocate memory for buffers and compression engine */ + blk = malloc(size + EXCESS); + def.zalloc = Z_NULL; + def.zfree = Z_NULL; + def.opaque = Z_NULL; + ret = deflateInit(&def, Z_DEFAULT_COMPRESSION); + if (ret != Z_OK || blk == NULL) + quit("out of memory"); + + /* compress from stdin until output full, or no more input */ + def.avail_out = size + EXCESS; + def.next_out = blk; + ret = partcompress(stdin, &def); + if (ret == Z_ERRNO) + quit("error reading input"); + + /* if it all fit, then size was undersubscribed -- done! */ + if (ret == Z_STREAM_END && def.avail_out >= EXCESS) { + /* write block to stdout */ + have = size + EXCESS - def.avail_out; + if (fwrite(blk, 1, have, stdout) != have || ferror(stdout)) + quit("error writing output"); + + /* clean up and print results to stderr */ + ret = deflateEnd(&def); + assert(ret != Z_STREAM_ERROR); + free(blk); + fprintf(stderr, + "%u bytes unused out of %u requested (all input)\n", + size - have, size); + return 0; + } + + /* it didn't all fit -- set up for recompression */ + inf.zalloc = Z_NULL; + inf.zfree = Z_NULL; + inf.opaque = Z_NULL; + inf.avail_in = 0; + inf.next_in = Z_NULL; + ret = inflateInit(&inf); + tmp = malloc(size + EXCESS); + if (ret != Z_OK || tmp == NULL) + quit("out of memory"); + ret = deflateReset(&def); + assert(ret != Z_STREAM_ERROR); + + /* do first recompression close to the right amount */ + inf.avail_in = size + EXCESS; + inf.next_in = blk; + def.avail_out = size + EXCESS; + def.next_out = tmp; + ret = recompress(&inf, &def); + if (ret == Z_MEM_ERROR) + quit("out of memory"); + + /* set up for next reocmpression */ + ret = inflateReset(&inf); + assert(ret != Z_STREAM_ERROR); + ret = deflateReset(&def); + assert(ret != Z_STREAM_ERROR); + + /* do second and final recompression (third compression) */ + inf.avail_in = size - MARGIN; /* assure stream will complete */ + inf.next_in = tmp; + def.avail_out = size; + def.next_out = blk; + ret = recompress(&inf, &def); + if (ret == Z_MEM_ERROR) + quit("out of memory"); + assert(ret == Z_STREAM_END); /* otherwise MARGIN too small */ + + /* done -- write block to stdout */ + have = size - def.avail_out; + if (fwrite(blk, 1, have, stdout) != have || ferror(stdout)) + quit("error writing output"); + + /* clean up and print results to stderr */ + free(tmp); + ret = inflateEnd(&inf); + assert(ret != Z_STREAM_ERROR); + ret = deflateEnd(&def); + assert(ret != Z_STREAM_ERROR); + free(blk); + fprintf(stderr, + "%u bytes unused out of %u requested (%lu input)\n", + size - have, size, def.total_in); + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/gun.c b/Build/source/libs/zlib/zlib-1.2.3/examples/gun.c new file mode 100644 index 00000000000..bfec590a002 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/gun.c @@ -0,0 +1,693 @@ +/* gun.c -- simple gunzip to give an example of the use of inflateBack() + * Copyright (C) 2003, 2005 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + Version 1.3 12 June 2005 Mark Adler */ + +/* Version history: + 1.0 16 Feb 2003 First version for testing of inflateBack() + 1.1 21 Feb 2005 Decompress concatenated gzip streams + Remove use of "this" variable (C++ keyword) + Fix return value for in() + Improve allocation failure checking + Add typecasting for void * structures + Add -h option for command version and usage + Add a bunch of comments + 1.2 20 Mar 2005 Add Unix compress (LZW) decompression + Copy file attributes from input file to output file + 1.3 12 Jun 2005 Add casts for error messages [Oberhumer] + */ + +/* + gun [ -t ] [ name ... ] + + decompresses the data in the named gzip files. If no arguments are given, + gun will decompress from stdin to stdout. The names must end in .gz, -gz, + .z, -z, _z, or .Z. The uncompressed data will be written to a file name + with the suffix stripped. On success, the original file is deleted. On + failure, the output file is deleted. For most failures, the command will + continue to process the remaining names on the command line. A memory + allocation failure will abort the command. If -t is specified, then the + listed files or stdin will be tested as gzip files for integrity (without + checking for a proper suffix), no output will be written, and no files + will be deleted. + + Like gzip, gun allows concatenated gzip streams and will decompress them, + writing all of the uncompressed data to the output. Unlike gzip, gun allows + an empty file on input, and will produce no error writing an empty output + file. + + gun will also decompress files made by Unix compress, which uses LZW + compression. These files are automatically detected by virtue of their + magic header bytes. Since the end of Unix compress stream is marked by the + end-of-file, they cannot be concantenated. If a Unix compress stream is + encountered in an input file, it is the last stream in that file. + + Like gunzip and uncompress, the file attributes of the orignal compressed + file are maintained in the final uncompressed file, to the extent that the + user permissions allow it. + + On my Mac OS X PowerPC G4, gun is almost twice as fast as gunzip (version + 1.2.4) is on the same file, when gun is linked with zlib 1.2.2. Also the + LZW decompression provided by gun is about twice as fast as the standard + Unix uncompress command. + */ + +/* external functions and related types and constants */ +#include /* fprintf() */ +#include /* malloc(), free() */ +#include /* strerror(), strcmp(), strlen(), memcpy() */ +#include /* errno */ +#include /* open() */ +#include /* read(), write(), close(), chown(), unlink() */ +#include +#include /* stat(), chmod() */ +#include /* utime() */ +#include "zlib.h" /* inflateBackInit(), inflateBack(), */ + /* inflateBackEnd(), crc32() */ + +/* function declaration */ +#define local static + +/* buffer constants */ +#define SIZE 32768U /* input and output buffer sizes */ +#define PIECE 16384 /* limits i/o chunks for 16-bit int case */ + +/* structure for infback() to pass to input function in() -- it maintains the + input file and a buffer of size SIZE */ +struct ind { + int infile; + unsigned char *inbuf; +}; + +/* Load input buffer, assumed to be empty, and return bytes loaded and a + pointer to them. read() is called until the buffer is full, or until it + returns end-of-file or error. Return 0 on error. */ +local unsigned in(void *in_desc, unsigned char **buf) +{ + int ret; + unsigned len; + unsigned char *next; + struct ind *me = (struct ind *)in_desc; + + next = me->inbuf; + *buf = next; + len = 0; + do { + ret = PIECE; + if ((unsigned)ret > SIZE - len) + ret = (int)(SIZE - len); + ret = (int)read(me->infile, next, ret); + if (ret == -1) { + len = 0; + break; + } + next += ret; + len += ret; + } while (ret != 0 && len < SIZE); + return len; +} + +/* structure for infback() to pass to output function out() -- it maintains the + output file, a running CRC-32 check on the output and the total number of + bytes output, both for checking against the gzip trailer. (The length in + the gzip trailer is stored modulo 2^32, so it's ok if a long is 32 bits and + the output is greater than 4 GB.) */ +struct outd { + int outfile; + int check; /* true if checking crc and total */ + unsigned long crc; + unsigned long total; +}; + +/* Write output buffer and update the CRC-32 and total bytes written. write() + is called until all of the output is written or an error is encountered. + On success out() returns 0. For a write failure, out() returns 1. If the + output file descriptor is -1, then nothing is written. + */ +local int out(void *out_desc, unsigned char *buf, unsigned len) +{ + int ret; + struct outd *me = (struct outd *)out_desc; + + if (me->check) { + me->crc = crc32(me->crc, buf, len); + me->total += len; + } + if (me->outfile != -1) + do { + ret = PIECE; + if ((unsigned)ret > len) + ret = (int)len; + ret = (int)write(me->outfile, buf, ret); + if (ret == -1) + return 1; + buf += ret; + len -= ret; + } while (len != 0); + return 0; +} + +/* next input byte macro for use inside lunpipe() and gunpipe() */ +#define NEXT() (have ? 0 : (have = in(indp, &next)), \ + last = have ? (have--, (int)(*next++)) : -1) + +/* memory for gunpipe() and lunpipe() -- + the first 256 entries of prefix[] and suffix[] are never used, could + have offset the index, but it's faster to waste the memory */ +unsigned char inbuf[SIZE]; /* input buffer */ +unsigned char outbuf[SIZE]; /* output buffer */ +unsigned short prefix[65536]; /* index to LZW prefix string */ +unsigned char suffix[65536]; /* one-character LZW suffix */ +unsigned char match[65280 + 2]; /* buffer for reversed match or gzip + 32K sliding window */ + +/* throw out what's left in the current bits byte buffer (this is a vestigial + aspect of the compressed data format derived from an implementation that + made use of a special VAX machine instruction!) */ +#define FLUSHCODE() \ + do { \ + left = 0; \ + rem = 0; \ + if (chunk > have) { \ + chunk -= have; \ + have = 0; \ + if (NEXT() == -1) \ + break; \ + chunk--; \ + if (chunk > have) { \ + chunk = have = 0; \ + break; \ + } \ + } \ + have -= chunk; \ + next += chunk; \ + chunk = 0; \ + } while (0) + +/* Decompress a compress (LZW) file from indp to outfile. The compress magic + header (two bytes) has already been read and verified. There are have bytes + of buffered input at next. strm is used for passing error information back + to gunpipe(). + + lunpipe() will return Z_OK on success, Z_BUF_ERROR for an unexpected end of + file, read error, or write error (a write error indicated by strm->next_in + not equal to Z_NULL), or Z_DATA_ERROR for invalid input. + */ +local int lunpipe(unsigned have, unsigned char *next, struct ind *indp, + int outfile, z_stream *strm) +{ + int last; /* last byte read by NEXT(), or -1 if EOF */ + int chunk; /* bytes left in current chunk */ + int left; /* bits left in rem */ + unsigned rem; /* unused bits from input */ + int bits; /* current bits per code */ + unsigned code; /* code, table traversal index */ + unsigned mask; /* mask for current bits codes */ + int max; /* maximum bits per code for this stream */ + int flags; /* compress flags, then block compress flag */ + unsigned end; /* last valid entry in prefix/suffix tables */ + unsigned temp; /* current code */ + unsigned prev; /* previous code */ + unsigned final; /* last character written for previous code */ + unsigned stack; /* next position for reversed string */ + unsigned outcnt; /* bytes in output buffer */ + struct outd outd; /* output structure */ + + /* set up output */ + outd.outfile = outfile; + outd.check = 0; + + /* process remainder of compress header -- a flags byte */ + flags = NEXT(); + if (last == -1) + return Z_BUF_ERROR; + if (flags & 0x60) { + strm->msg = (char *)"unknown lzw flags set"; + return Z_DATA_ERROR; + } + max = flags & 0x1f; + if (max < 9 || max > 16) { + strm->msg = (char *)"lzw bits out of range"; + return Z_DATA_ERROR; + } + if (max == 9) /* 9 doesn't really mean 9 */ + max = 10; + flags &= 0x80; /* true if block compress */ + + /* clear table */ + bits = 9; + mask = 0x1ff; + end = flags ? 256 : 255; + + /* set up: get first 9-bit code, which is the first decompressed byte, but + don't create a table entry until the next code */ + if (NEXT() == -1) /* no compressed data is ok */ + return Z_OK; + final = prev = (unsigned)last; /* low 8 bits of code */ + if (NEXT() == -1) /* missing a bit */ + return Z_BUF_ERROR; + if (last & 1) { /* code must be < 256 */ + strm->msg = (char *)"invalid lzw code"; + return Z_DATA_ERROR; + } + rem = (unsigned)last >> 1; /* remaining 7 bits */ + left = 7; + chunk = bits - 2; /* 7 bytes left in this chunk */ + outbuf[0] = (unsigned char)final; /* write first decompressed byte */ + outcnt = 1; + + /* decode codes */ + stack = 0; + for (;;) { + /* if the table will be full after this, increment the code size */ + if (end >= mask && bits < max) { + FLUSHCODE(); + bits++; + mask <<= 1; + mask++; + } + + /* get a code of length bits */ + if (chunk == 0) /* decrement chunk modulo bits */ + chunk = bits; + code = rem; /* low bits of code */ + if (NEXT() == -1) { /* EOF is end of compressed data */ + /* write remaining buffered output */ + if (outcnt && out(&outd, outbuf, outcnt)) { + strm->next_in = outbuf; /* signal write error */ + return Z_BUF_ERROR; + } + return Z_OK; + } + code += (unsigned)last << left; /* middle (or high) bits of code */ + left += 8; + chunk--; + if (bits > left) { /* need more bits */ + if (NEXT() == -1) /* can't end in middle of code */ + return Z_BUF_ERROR; + code += (unsigned)last << left; /* high bits of code */ + left += 8; + chunk--; + } + code &= mask; /* mask to current code length */ + left -= bits; /* number of unused bits */ + rem = (unsigned)last >> (8 - left); /* unused bits from last byte */ + + /* process clear code (256) */ + if (code == 256 && flags) { + FLUSHCODE(); + bits = 9; /* initialize bits and mask */ + mask = 0x1ff; + end = 255; /* empty table */ + continue; /* get next code */ + } + + /* special code to reuse last match */ + temp = code; /* save the current code */ + if (code > end) { + /* Be picky on the allowed code here, and make sure that the code + we drop through (prev) will be a valid index so that random + input does not cause an exception. The code != end + 1 check is + empirically derived, and not checked in the original uncompress + code. If this ever causes a problem, that check could be safely + removed. Leaving this check in greatly improves gun's ability + to detect random or corrupted input after a compress header. + In any case, the prev > end check must be retained. */ + if (code != end + 1 || prev > end) { + strm->msg = (char *)"invalid lzw code"; + return Z_DATA_ERROR; + } + match[stack++] = (unsigned char)final; + code = prev; + } + + /* walk through linked list to generate output in reverse order */ + while (code >= 256) { + match[stack++] = suffix[code]; + code = prefix[code]; + } + match[stack++] = (unsigned char)code; + final = code; + + /* link new table entry */ + if (end < mask) { + end++; + prefix[end] = (unsigned short)prev; + suffix[end] = (unsigned char)final; + } + + /* set previous code for next iteration */ + prev = temp; + + /* write output in forward order */ + while (stack > SIZE - outcnt) { + while (outcnt < SIZE) + outbuf[outcnt++] = match[--stack]; + if (out(&outd, outbuf, outcnt)) { + strm->next_in = outbuf; /* signal write error */ + return Z_BUF_ERROR; + } + outcnt = 0; + } + do { + outbuf[outcnt++] = match[--stack]; + } while (stack); + + /* loop for next code with final and prev as the last match, rem and + left provide the first 0..7 bits of the next code, end is the last + valid table entry */ + } +} + +/* Decompress a gzip file from infile to outfile. strm is assumed to have been + successfully initialized with inflateBackInit(). The input file may consist + of a series of gzip streams, in which case all of them will be decompressed + to the output file. If outfile is -1, then the gzip stream(s) integrity is + checked and nothing is written. + + The return value is a zlib error code: Z_MEM_ERROR if out of memory, + Z_DATA_ERROR if the header or the compressed data is invalid, or if the + trailer CRC-32 check or length doesn't match, Z_BUF_ERROR if the input ends + prematurely or a write error occurs, or Z_ERRNO if junk (not a another gzip + stream) follows a valid gzip stream. + */ +local int gunpipe(z_stream *strm, int infile, int outfile) +{ + int ret, first, last; + unsigned have, flags, len; + unsigned char *next; + struct ind ind, *indp; + struct outd outd; + + /* setup input buffer */ + ind.infile = infile; + ind.inbuf = inbuf; + indp = &ind; + + /* decompress concatenated gzip streams */ + have = 0; /* no input data read in yet */ + first = 1; /* looking for first gzip header */ + strm->next_in = Z_NULL; /* so Z_BUF_ERROR means EOF */ + for (;;) { + /* look for the two magic header bytes for a gzip stream */ + if (NEXT() == -1) { + ret = Z_OK; + break; /* empty gzip stream is ok */ + } + if (last != 31 || (NEXT() != 139 && last != 157)) { + strm->msg = (char *)"incorrect header check"; + ret = first ? Z_DATA_ERROR : Z_ERRNO; + break; /* not a gzip or compress header */ + } + first = 0; /* next non-header is junk */ + + /* process a compress (LZW) file -- can't be concatenated after this */ + if (last == 157) { + ret = lunpipe(have, next, indp, outfile, strm); + break; + } + + /* process remainder of gzip header */ + ret = Z_BUF_ERROR; + if (NEXT() != 8) { /* only deflate method allowed */ + if (last == -1) break; + strm->msg = (char *)"unknown compression method"; + ret = Z_DATA_ERROR; + break; + } + flags = NEXT(); /* header flags */ + NEXT(); /* discard mod time, xflgs, os */ + NEXT(); + NEXT(); + NEXT(); + NEXT(); + NEXT(); + if (last == -1) break; + if (flags & 0xe0) { + strm->msg = (char *)"unknown header flags set"; + ret = Z_DATA_ERROR; + break; + } + if (flags & 4) { /* extra field */ + len = NEXT(); + len += (unsigned)(NEXT()) << 8; + if (last == -1) break; + while (len > have) { + len -= have; + have = 0; + if (NEXT() == -1) break; + len--; + } + if (last == -1) break; + have -= len; + next += len; + } + if (flags & 8) /* file name */ + while (NEXT() != 0 && last != -1) + ; + if (flags & 16) /* comment */ + while (NEXT() != 0 && last != -1) + ; + if (flags & 2) { /* header crc */ + NEXT(); + NEXT(); + } + if (last == -1) break; + + /* set up output */ + outd.outfile = outfile; + outd.check = 1; + outd.crc = crc32(0L, Z_NULL, 0); + outd.total = 0; + + /* decompress data to output */ + strm->next_in = next; + strm->avail_in = have; + ret = inflateBack(strm, in, indp, out, &outd); + if (ret != Z_STREAM_END) break; + next = strm->next_in; + have = strm->avail_in; + strm->next_in = Z_NULL; /* so Z_BUF_ERROR means EOF */ + + /* check trailer */ + ret = Z_BUF_ERROR; + if (NEXT() != (outd.crc & 0xff) || + NEXT() != ((outd.crc >> 8) & 0xff) || + NEXT() != ((outd.crc >> 16) & 0xff) || + NEXT() != ((outd.crc >> 24) & 0xff)) { + /* crc error */ + if (last != -1) { + strm->msg = (char *)"incorrect data check"; + ret = Z_DATA_ERROR; + } + break; + } + if (NEXT() != (outd.total & 0xff) || + NEXT() != ((outd.total >> 8) & 0xff) || + NEXT() != ((outd.total >> 16) & 0xff) || + NEXT() != ((outd.total >> 24) & 0xff)) { + /* length error */ + if (last != -1) { + strm->msg = (char *)"incorrect length check"; + ret = Z_DATA_ERROR; + } + break; + } + + /* go back and look for another gzip stream */ + } + + /* clean up and return */ + return ret; +} + +/* Copy file attributes, from -> to, as best we can. This is best effort, so + no errors are reported. The mode bits, including suid, sgid, and the sticky + bit are copied (if allowed), the owner's user id and group id are copied + (again if allowed), and the access and modify times are copied. */ +local void copymeta(char *from, char *to) +{ + struct stat was; + struct utimbuf when; + + /* get all of from's Unix meta data, return if not a regular file */ + if (stat(from, &was) != 0 || (was.st_mode & S_IFMT) != S_IFREG) + return; + + /* set to's mode bits, ignore errors */ + (void)chmod(to, was.st_mode & 07777); + + /* copy owner's user and group, ignore errors */ + (void)chown(to, was.st_uid, was.st_gid); + + /* copy access and modify times, ignore errors */ + when.actime = was.st_atime; + when.modtime = was.st_mtime; + (void)utime(to, &when); +} + +/* Decompress the file inname to the file outnname, of if test is true, just + decompress without writing and check the gzip trailer for integrity. If + inname is NULL or an empty string, read from stdin. If outname is NULL or + an empty string, write to stdout. strm is a pre-initialized inflateBack + structure. When appropriate, copy the file attributes from inname to + outname. + + gunzip() returns 1 if there is an out-of-memory error or an unexpected + return code from gunpipe(). Otherwise it returns 0. + */ +local int gunzip(z_stream *strm, char *inname, char *outname, int test) +{ + int ret; + int infile, outfile; + + /* open files */ + if (inname == NULL || *inname == 0) { + inname = "-"; + infile = 0; /* stdin */ + } + else { + infile = open(inname, O_RDONLY, 0); + if (infile == -1) { + fprintf(stderr, "gun cannot open %s\n", inname); + return 0; + } + } + if (test) + outfile = -1; + else if (outname == NULL || *outname == 0) { + outname = "-"; + outfile = 1; /* stdout */ + } + else { + outfile = open(outname, O_CREAT | O_TRUNC | O_WRONLY, 0666); + if (outfile == -1) { + close(infile); + fprintf(stderr, "gun cannot create %s\n", outname); + return 0; + } + } + errno = 0; + + /* decompress */ + ret = gunpipe(strm, infile, outfile); + if (outfile > 2) close(outfile); + if (infile > 2) close(infile); + + /* interpret result */ + switch (ret) { + case Z_OK: + case Z_ERRNO: + if (infile > 2 && outfile > 2) { + copymeta(inname, outname); /* copy attributes */ + unlink(inname); + } + if (ret == Z_ERRNO) + fprintf(stderr, "gun warning: trailing garbage ignored in %s\n", + inname); + break; + case Z_DATA_ERROR: + if (outfile > 2) unlink(outname); + fprintf(stderr, "gun data error on %s: %s\n", inname, strm->msg); + break; + case Z_MEM_ERROR: + if (outfile > 2) unlink(outname); + fprintf(stderr, "gun out of memory error--aborting\n"); + return 1; + case Z_BUF_ERROR: + if (outfile > 2) unlink(outname); + if (strm->next_in != Z_NULL) { + fprintf(stderr, "gun write error on %s: %s\n", + outname, strerror(errno)); + } + else if (errno) { + fprintf(stderr, "gun read error on %s: %s\n", + inname, strerror(errno)); + } + else { + fprintf(stderr, "gun unexpected end of file on %s\n", + inname); + } + break; + default: + if (outfile > 2) unlink(outname); + fprintf(stderr, "gun internal error--aborting\n"); + return 1; + } + return 0; +} + +/* Process the gun command line arguments. See the command syntax near the + beginning of this source file. */ +int main(int argc, char **argv) +{ + int ret, len, test; + char *outname; + unsigned char *window; + z_stream strm; + + /* initialize inflateBack state for repeated use */ + window = match; /* reuse LZW match buffer */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + ret = inflateBackInit(&strm, 15, window); + if (ret != Z_OK) { + fprintf(stderr, "gun out of memory error--aborting\n"); + return 1; + } + + /* decompress each file to the same name with the suffix removed */ + argc--; + argv++; + test = 0; + if (argc && strcmp(*argv, "-h") == 0) { + fprintf(stderr, "gun 1.3 (12 Jun 2005)\n"); + fprintf(stderr, "Copyright (c) 2005 Mark Adler\n"); + fprintf(stderr, "usage: gun [-t] [file1.gz [file2.Z ...]]\n"); + return 0; + } + if (argc && strcmp(*argv, "-t") == 0) { + test = 1; + argc--; + argv++; + } + if (argc) + do { + if (test) + outname = NULL; + else { + len = (int)strlen(*argv); + if (strcmp(*argv + len - 3, ".gz") == 0 || + strcmp(*argv + len - 3, "-gz") == 0) + len -= 3; + else if (strcmp(*argv + len - 2, ".z") == 0 || + strcmp(*argv + len - 2, "-z") == 0 || + strcmp(*argv + len - 2, "_z") == 0 || + strcmp(*argv + len - 2, ".Z") == 0) + len -= 2; + else { + fprintf(stderr, "gun error: no gz type on %s--skipping\n", + *argv); + continue; + } + outname = malloc(len + 1); + if (outname == NULL) { + fprintf(stderr, "gun out of memory error--aborting\n"); + ret = 1; + break; + } + memcpy(outname, *argv, len); + outname[len] = 0; + } + ret = gunzip(&strm, *argv, outname, test); + if (outname != NULL) free(outname); + if (ret) break; + } while (argv++, --argc); + else + ret = gunzip(&strm, NULL, NULL, test); + + /* clean up */ + inflateBackEnd(&strm); + return ret; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/gzappend.c b/Build/source/libs/zlib/zlib-1.2.3/examples/gzappend.c new file mode 100644 index 00000000000..e9e878e1160 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/gzappend.c @@ -0,0 +1,500 @@ +/* gzappend -- command to append to a gzip file + + Copyright (C) 2003 Mark Adler, all rights reserved + version 1.1, 4 Nov 2003 + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler madler@alumni.caltech.edu + */ + +/* + * Change history: + * + * 1.0 19 Oct 2003 - First version + * 1.1 4 Nov 2003 - Expand and clarify some comments and notes + * - Add version and copyright to help + * - Send help to stdout instead of stderr + * - Add some preemptive typecasts + * - Add L to constants in lseek() calls + * - Remove some debugging information in error messages + * - Use new data_type definition for zlib 1.2.1 + * - Simplfy and unify file operations + * - Finish off gzip file in gztack() + * - Use deflatePrime() instead of adding empty blocks + * - Keep gzip file clean on appended file read errors + * - Use in-place rotate instead of auxiliary buffer + * (Why you ask? Because it was fun to write!) + */ + +/* + gzappend takes a gzip file and appends to it, compressing files from the + command line or data from stdin. The gzip file is written to directly, to + avoid copying that file, in case it's large. Note that this results in the + unfriendly behavior that if gzappend fails, the gzip file is corrupted. + + This program was written to illustrate the use of the new Z_BLOCK option of + zlib 1.2.x's inflate() function. This option returns from inflate() at each + block boundary to facilitate locating and modifying the last block bit at + the start of the final deflate block. Also whether using Z_BLOCK or not, + another required feature of zlib 1.2.x is that inflate() now provides the + number of unusued bits in the last input byte used. gzappend will not work + with versions of zlib earlier than 1.2.1. + + gzappend first decompresses the gzip file internally, discarding all but + the last 32K of uncompressed data, and noting the location of the last block + bit and the number of unused bits in the last byte of the compressed data. + The gzip trailer containing the CRC-32 and length of the uncompressed data + is verified. This trailer will be later overwritten. + + Then the last block bit is cleared by seeking back in the file and rewriting + the byte that contains it. Seeking forward, the last byte of the compressed + data is saved along with the number of unused bits to initialize deflate. + + A deflate process is initialized, using the last 32K of the uncompressed + data from the gzip file to initialize the dictionary. If the total + uncompressed data was less than 32K, then all of it is used to initialize + the dictionary. The deflate output bit buffer is also initialized with the + last bits from the original deflate stream. From here on, the data to + append is simply compressed using deflate, and written to the gzip file. + When that is complete, the new CRC-32 and uncompressed length are written + as the trailer of the gzip file. + */ + +#include +#include +#include +#include +#include +#include "zlib.h" + +#define local static +#define LGCHUNK 14 +#define CHUNK (1U << LGCHUNK) +#define DSIZE 32768U + +/* print an error message and terminate with extreme prejudice */ +local void bye(char *msg1, char *msg2) +{ + fprintf(stderr, "gzappend error: %s%s\n", msg1, msg2); + exit(1); +} + +/* return the greatest common divisor of a and b using Euclid's algorithm, + modified to be fast when one argument much greater than the other, and + coded to avoid unnecessary swapping */ +local unsigned gcd(unsigned a, unsigned b) +{ + unsigned c; + + while (a && b) + if (a > b) { + c = b; + while (a - c >= c) + c <<= 1; + a -= c; + } + else { + c = a; + while (b - c >= c) + c <<= 1; + b -= c; + } + return a + b; +} + +/* rotate list[0..len-1] left by rot positions, in place */ +local void rotate(unsigned char *list, unsigned len, unsigned rot) +{ + unsigned char tmp; + unsigned cycles; + unsigned char *start, *last, *to, *from; + + /* normalize rot and handle degenerate cases */ + if (len < 2) return; + if (rot >= len) rot %= len; + if (rot == 0) return; + + /* pointer to last entry in list */ + last = list + (len - 1); + + /* do simple left shift by one */ + if (rot == 1) { + tmp = *list; + memcpy(list, list + 1, len - 1); + *last = tmp; + return; + } + + /* do simple right shift by one */ + if (rot == len - 1) { + tmp = *last; + memmove(list + 1, list, len - 1); + *list = tmp; + return; + } + + /* otherwise do rotate as a set of cycles in place */ + cycles = gcd(len, rot); /* number of cycles */ + do { + start = from = list + cycles; /* start index is arbitrary */ + tmp = *from; /* save entry to be overwritten */ + for (;;) { + to = from; /* next step in cycle */ + from += rot; /* go right rot positions */ + if (from > last) from -= len; /* (pointer better not wrap) */ + if (from == start) break; /* all but one shifted */ + *to = *from; /* shift left */ + } + *to = tmp; /* complete the circle */ + } while (--cycles); +} + +/* structure for gzip file read operations */ +typedef struct { + int fd; /* file descriptor */ + int size; /* 1 << size is bytes in buf */ + unsigned left; /* bytes available at next */ + unsigned char *buf; /* buffer */ + unsigned char *next; /* next byte in buffer */ + char *name; /* file name for error messages */ +} file; + +/* reload buffer */ +local int readin(file *in) +{ + int len; + + len = read(in->fd, in->buf, 1 << in->size); + if (len == -1) bye("error reading ", in->name); + in->left = (unsigned)len; + in->next = in->buf; + return len; +} + +/* read from file in, exit if end-of-file */ +local int readmore(file *in) +{ + if (readin(in) == 0) bye("unexpected end of ", in->name); + return 0; +} + +#define read1(in) (in->left == 0 ? readmore(in) : 0, \ + in->left--, *(in->next)++) + +/* skip over n bytes of in */ +local void skip(file *in, unsigned n) +{ + unsigned bypass; + + if (n > in->left) { + n -= in->left; + bypass = n & ~((1U << in->size) - 1); + if (bypass) { + if (lseek(in->fd, (off_t)bypass, SEEK_CUR) == -1) + bye("seeking ", in->name); + n -= bypass; + } + readmore(in); + if (n > in->left) + bye("unexpected end of ", in->name); + } + in->left -= n; + in->next += n; +} + +/* read a four-byte unsigned integer, little-endian, from in */ +unsigned long read4(file *in) +{ + unsigned long val; + + val = read1(in); + val += (unsigned)read1(in) << 8; + val += (unsigned long)read1(in) << 16; + val += (unsigned long)read1(in) << 24; + return val; +} + +/* skip over gzip header */ +local void gzheader(file *in) +{ + int flags; + unsigned n; + + if (read1(in) != 31 || read1(in) != 139) bye(in->name, " not a gzip file"); + if (read1(in) != 8) bye("unknown compression method in", in->name); + flags = read1(in); + if (flags & 0xe0) bye("unknown header flags set in", in->name); + skip(in, 6); + if (flags & 4) { + n = read1(in); + n += (unsigned)(read1(in)) << 8; + skip(in, n); + } + if (flags & 8) while (read1(in) != 0) ; + if (flags & 16) while (read1(in) != 0) ; + if (flags & 2) skip(in, 2); +} + +/* decompress gzip file "name", return strm with a deflate stream ready to + continue compression of the data in the gzip file, and return a file + descriptor pointing to where to write the compressed data -- the deflate + stream is initialized to compress using level "level" */ +local int gzscan(char *name, z_stream *strm, int level) +{ + int ret, lastbit, left, full; + unsigned have; + unsigned long crc, tot; + unsigned char *window; + off_t lastoff, end; + file gz; + + /* open gzip file */ + gz.name = name; + gz.fd = open(name, O_RDWR, 0); + if (gz.fd == -1) bye("cannot open ", name); + gz.buf = malloc(CHUNK); + if (gz.buf == NULL) bye("out of memory", ""); + gz.size = LGCHUNK; + gz.left = 0; + + /* skip gzip header */ + gzheader(&gz); + + /* prepare to decompress */ + window = malloc(DSIZE); + if (window == NULL) bye("out of memory", ""); + strm->zalloc = Z_NULL; + strm->zfree = Z_NULL; + strm->opaque = Z_NULL; + ret = inflateInit2(strm, -15); + if (ret != Z_OK) bye("out of memory", " or library mismatch"); + + /* decompress the deflate stream, saving append information */ + lastbit = 0; + lastoff = lseek(gz.fd, 0L, SEEK_CUR) - gz.left; + left = 0; + strm->avail_in = gz.left; + strm->next_in = gz.next; + crc = crc32(0L, Z_NULL, 0); + have = full = 0; + do { + /* if needed, get more input */ + if (strm->avail_in == 0) { + readmore(&gz); + strm->avail_in = gz.left; + strm->next_in = gz.next; + } + + /* set up output to next available section of sliding window */ + strm->avail_out = DSIZE - have; + strm->next_out = window + have; + + /* inflate and check for errors */ + ret = inflate(strm, Z_BLOCK); + if (ret == Z_STREAM_ERROR) bye("internal stream error!", ""); + if (ret == Z_MEM_ERROR) bye("out of memory", ""); + if (ret == Z_DATA_ERROR) + bye("invalid compressed data--format violated in", name); + + /* update crc and sliding window pointer */ + crc = crc32(crc, window + have, DSIZE - have - strm->avail_out); + if (strm->avail_out) + have = DSIZE - strm->avail_out; + else { + have = 0; + full = 1; + } + + /* process end of block */ + if (strm->data_type & 128) { + if (strm->data_type & 64) + left = strm->data_type & 0x1f; + else { + lastbit = strm->data_type & 0x1f; + lastoff = lseek(gz.fd, 0L, SEEK_CUR) - strm->avail_in; + } + } + } while (ret != Z_STREAM_END); + inflateEnd(strm); + gz.left = strm->avail_in; + gz.next = strm->next_in; + + /* save the location of the end of the compressed data */ + end = lseek(gz.fd, 0L, SEEK_CUR) - gz.left; + + /* check gzip trailer and save total for deflate */ + if (crc != read4(&gz)) + bye("invalid compressed data--crc mismatch in ", name); + tot = strm->total_out; + if ((tot & 0xffffffffUL) != read4(&gz)) + bye("invalid compressed data--length mismatch in", name); + + /* if not at end of file, warn */ + if (gz.left || readin(&gz)) + fprintf(stderr, + "gzappend warning: junk at end of gzip file overwritten\n"); + + /* clear last block bit */ + lseek(gz.fd, lastoff - (lastbit != 0), SEEK_SET); + if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name); + *gz.buf = (unsigned char)(*gz.buf ^ (1 << ((8 - lastbit) & 7))); + lseek(gz.fd, -1L, SEEK_CUR); + if (write(gz.fd, gz.buf, 1) != 1) bye("writing after seek to ", name); + + /* if window wrapped, build dictionary from window by rotating */ + if (full) { + rotate(window, DSIZE, have); + have = DSIZE; + } + + /* set up deflate stream with window, crc, total_in, and leftover bits */ + ret = deflateInit2(strm, level, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY); + if (ret != Z_OK) bye("out of memory", ""); + deflateSetDictionary(strm, window, have); + strm->adler = crc; + strm->total_in = tot; + if (left) { + lseek(gz.fd, --end, SEEK_SET); + if (read(gz.fd, gz.buf, 1) != 1) bye("reading after seek on ", name); + deflatePrime(strm, 8 - left, *gz.buf); + } + lseek(gz.fd, end, SEEK_SET); + + /* clean up and return */ + free(window); + free(gz.buf); + return gz.fd; +} + +/* append file "name" to gzip file gd using deflate stream strm -- if last + is true, then finish off the deflate stream at the end */ +local void gztack(char *name, int gd, z_stream *strm, int last) +{ + int fd, len, ret; + unsigned left; + unsigned char *in, *out; + + /* open file to compress and append */ + fd = 0; + if (name != NULL) { + fd = open(name, O_RDONLY, 0); + if (fd == -1) + fprintf(stderr, "gzappend warning: %s not found, skipping ...\n", + name); + } + + /* allocate buffers */ + in = fd == -1 ? NULL : malloc(CHUNK); + out = malloc(CHUNK); + if (out == NULL) bye("out of memory", ""); + + /* compress input file and append to gzip file */ + do { + /* get more input */ + len = fd == -1 ? 0 : read(fd, in, CHUNK); + if (len == -1) { + fprintf(stderr, + "gzappend warning: error reading %s, skipping rest ...\n", + name); + len = 0; + } + strm->avail_in = (unsigned)len; + strm->next_in = in; + if (len) strm->adler = crc32(strm->adler, in, (unsigned)len); + + /* compress and write all available output */ + do { + strm->avail_out = CHUNK; + strm->next_out = out; + ret = deflate(strm, last && len == 0 ? Z_FINISH : Z_NO_FLUSH); + left = CHUNK - strm->avail_out; + while (left) { + len = write(gd, out + CHUNK - strm->avail_out - left, left); + if (len == -1) bye("writing gzip file", ""); + left -= (unsigned)len; + } + } while (strm->avail_out == 0 && ret != Z_STREAM_END); + } while (len != 0); + + /* write trailer after last entry */ + if (last) { + deflateEnd(strm); + out[0] = (unsigned char)(strm->adler); + out[1] = (unsigned char)(strm->adler >> 8); + out[2] = (unsigned char)(strm->adler >> 16); + out[3] = (unsigned char)(strm->adler >> 24); + out[4] = (unsigned char)(strm->total_in); + out[5] = (unsigned char)(strm->total_in >> 8); + out[6] = (unsigned char)(strm->total_in >> 16); + out[7] = (unsigned char)(strm->total_in >> 24); + len = 8; + do { + ret = write(gd, out + 8 - len, len); + if (ret == -1) bye("writing gzip file", ""); + len -= ret; + } while (len); + close(gd); + } + + /* clean up and return */ + free(out); + if (in != NULL) free(in); + if (fd > 0) close(fd); +} + +/* process the compression level option if present, scan the gzip file, and + append the specified files, or append the data from stdin if no other file + names are provided on the command line -- the gzip file must be writable + and seekable */ +int main(int argc, char **argv) +{ + int gd, level; + z_stream strm; + + /* ignore command name */ + argv++; + + /* provide usage if no arguments */ + if (*argv == NULL) { + printf("gzappend 1.1 (4 Nov 2003) Copyright (C) 2003 Mark Adler\n"); + printf( + "usage: gzappend [-level] file.gz [ addthis [ andthis ... ]]\n"); + return 0; + } + + /* set compression level */ + level = Z_DEFAULT_COMPRESSION; + if (argv[0][0] == '-') { + if (argv[0][1] < '0' || argv[0][1] > '9' || argv[0][2] != 0) + bye("invalid compression level", ""); + level = argv[0][1] - '0'; + if (*++argv == NULL) bye("no gzip file name after options", ""); + } + + /* prepare to append to gzip file */ + gd = gzscan(*argv++, &strm, level); + + /* append files on command line, or from stdin if none */ + if (*argv == NULL) + gztack(NULL, gd, &strm, 1); + else + do { + gztack(*argv, gd, &strm, argv[1] == NULL); + } while (*++argv != NULL); + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/gzjoin.c b/Build/source/libs/zlib/zlib-1.2.3/examples/gzjoin.c new file mode 100644 index 00000000000..129347ce3ca --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/gzjoin.c @@ -0,0 +1,448 @@ +/* gzjoin -- command to join gzip files into one gzip file + + Copyright (C) 2004 Mark Adler, all rights reserved + version 1.0, 11 Dec 2004 + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler madler@alumni.caltech.edu + */ + +/* + * Change history: + * + * 1.0 11 Dec 2004 - First version + * 1.1 12 Jun 2005 - Changed ssize_t to long for portability + */ + +/* + gzjoin takes one or more gzip files on the command line and writes out a + single gzip file that will uncompress to the concatenation of the + uncompressed data from the individual gzip files. gzjoin does this without + having to recompress any of the data and without having to calculate a new + crc32 for the concatenated uncompressed data. gzjoin does however have to + decompress all of the input data in order to find the bits in the compressed + data that need to be modified to concatenate the streams. + + gzjoin does not do an integrity check on the input gzip files other than + checking the gzip header and decompressing the compressed data. They are + otherwise assumed to be complete and correct. + + Each joint between gzip files removes at least 18 bytes of previous trailer + and subsequent header, and inserts an average of about three bytes to the + compressed data in order to connect the streams. The output gzip file + has a minimal ten-byte gzip header with no file name or modification time. + + This program was written to illustrate the use of the Z_BLOCK option of + inflate() and the crc32_combine() function. gzjoin will not compile with + versions of zlib earlier than 1.2.3. + */ + +#include /* fputs(), fprintf(), fwrite(), putc() */ +#include /* exit(), malloc(), free() */ +#include /* open() */ +#include /* close(), read(), lseek() */ +#include "zlib.h" + /* crc32(), crc32_combine(), inflateInit2(), inflate(), inflateEnd() */ + +#define local static + +/* exit with an error (return a value to allow use in an expression) */ +local int bail(char *why1, char *why2) +{ + fprintf(stderr, "gzjoin error: %s%s, output incomplete\n", why1, why2); + exit(1); + return 0; +} + +/* -- simple buffered file input with access to the buffer -- */ + +#define CHUNK 32768 /* must be a power of two and fit in unsigned */ + +/* bin buffered input file type */ +typedef struct { + char *name; /* name of file for error messages */ + int fd; /* file descriptor */ + unsigned left; /* bytes remaining at next */ + unsigned char *next; /* next byte to read */ + unsigned char *buf; /* allocated buffer of length CHUNK */ +} bin; + +/* close a buffered file and free allocated memory */ +local void bclose(bin *in) +{ + if (in != NULL) { + if (in->fd != -1) + close(in->fd); + if (in->buf != NULL) + free(in->buf); + free(in); + } +} + +/* open a buffered file for input, return a pointer to type bin, or NULL on + failure */ +local bin *bopen(char *name) +{ + bin *in; + + in = malloc(sizeof(bin)); + if (in == NULL) + return NULL; + in->buf = malloc(CHUNK); + in->fd = open(name, O_RDONLY, 0); + if (in->buf == NULL || in->fd == -1) { + bclose(in); + return NULL; + } + in->left = 0; + in->next = in->buf; + in->name = name; + return in; +} + +/* load buffer from file, return -1 on read error, 0 or 1 on success, with + 1 indicating that end-of-file was reached */ +local int bload(bin *in) +{ + long len; + + if (in == NULL) + return -1; + if (in->left != 0) + return 0; + in->next = in->buf; + do { + len = (long)read(in->fd, in->buf + in->left, CHUNK - in->left); + if (len < 0) + return -1; + in->left += (unsigned)len; + } while (len != 0 && in->left < CHUNK); + return len == 0 ? 1 : 0; +} + +/* get a byte from the file, bail if end of file */ +#define bget(in) (in->left ? 0 : bload(in), \ + in->left ? (in->left--, *(in->next)++) : \ + bail("unexpected end of file on ", in->name)) + +/* get a four-byte little-endian unsigned integer from file */ +local unsigned long bget4(bin *in) +{ + unsigned long val; + + val = bget(in); + val += (unsigned long)(bget(in)) << 8; + val += (unsigned long)(bget(in)) << 16; + val += (unsigned long)(bget(in)) << 24; + return val; +} + +/* skip bytes in file */ +local void bskip(bin *in, unsigned skip) +{ + /* check pointer */ + if (in == NULL) + return; + + /* easy case -- skip bytes in buffer */ + if (skip <= in->left) { + in->left -= skip; + in->next += skip; + return; + } + + /* skip what's in buffer, discard buffer contents */ + skip -= in->left; + in->left = 0; + + /* seek past multiples of CHUNK bytes */ + if (skip > CHUNK) { + unsigned left; + + left = skip & (CHUNK - 1); + if (left == 0) { + /* exact number of chunks: seek all the way minus one byte to check + for end-of-file with a read */ + lseek(in->fd, skip - 1, SEEK_CUR); + if (read(in->fd, in->buf, 1) != 1) + bail("unexpected end of file on ", in->name); + return; + } + + /* skip the integral chunks, update skip with remainder */ + lseek(in->fd, skip - left, SEEK_CUR); + skip = left; + } + + /* read more input and skip remainder */ + bload(in); + if (skip > in->left) + bail("unexpected end of file on ", in->name); + in->left -= skip; + in->next += skip; +} + +/* -- end of buffered input functions -- */ + +/* skip the gzip header from file in */ +local void gzhead(bin *in) +{ + int flags; + + /* verify gzip magic header and compression method */ + if (bget(in) != 0x1f || bget(in) != 0x8b || bget(in) != 8) + bail(in->name, " is not a valid gzip file"); + + /* get and verify flags */ + flags = bget(in); + if ((flags & 0xe0) != 0) + bail("unknown reserved bits set in ", in->name); + + /* skip modification time, extra flags, and os */ + bskip(in, 6); + + /* skip extra field if present */ + if (flags & 4) { + unsigned len; + + len = bget(in); + len += (unsigned)(bget(in)) << 8; + bskip(in, len); + } + + /* skip file name if present */ + if (flags & 8) + while (bget(in) != 0) + ; + + /* skip comment if present */ + if (flags & 16) + while (bget(in) != 0) + ; + + /* skip header crc if present */ + if (flags & 2) + bskip(in, 2); +} + +/* write a four-byte little-endian unsigned integer to out */ +local void put4(unsigned long val, FILE *out) +{ + putc(val & 0xff, out); + putc((val >> 8) & 0xff, out); + putc((val >> 16) & 0xff, out); + putc((val >> 24) & 0xff, out); +} + +/* Load up zlib stream from buffered input, bail if end of file */ +local void zpull(z_streamp strm, bin *in) +{ + if (in->left == 0) + bload(in); + if (in->left == 0) + bail("unexpected end of file on ", in->name); + strm->avail_in = in->left; + strm->next_in = in->next; +} + +/* Write header for gzip file to out and initialize trailer. */ +local void gzinit(unsigned long *crc, unsigned long *tot, FILE *out) +{ + fwrite("\x1f\x8b\x08\0\0\0\0\0\0\xff", 1, 10, out); + *crc = crc32(0L, Z_NULL, 0); + *tot = 0; +} + +/* Copy the compressed data from name, zeroing the last block bit of the last + block if clr is true, and adding empty blocks as needed to get to a byte + boundary. If clr is false, then the last block becomes the last block of + the output, and the gzip trailer is written. crc and tot maintains the + crc and length (modulo 2^32) of the output for the trailer. The resulting + gzip file is written to out. gzinit() must be called before the first call + of gzcopy() to write the gzip header and to initialize crc and tot. */ +local void gzcopy(char *name, int clr, unsigned long *crc, unsigned long *tot, + FILE *out) +{ + int ret; /* return value from zlib functions */ + int pos; /* where the "last block" bit is in byte */ + int last; /* true if processing the last block */ + bin *in; /* buffered input file */ + unsigned char *start; /* start of compressed data in buffer */ + unsigned char *junk; /* buffer for uncompressed data -- discarded */ + z_off_t len; /* length of uncompressed data (support > 4 GB) */ + z_stream strm; /* zlib inflate stream */ + + /* open gzip file and skip header */ + in = bopen(name); + if (in == NULL) + bail("could not open ", name); + gzhead(in); + + /* allocate buffer for uncompressed data and initialize raw inflate + stream */ + junk = malloc(CHUNK); + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, -15); + if (junk == NULL || ret != Z_OK) + bail("out of memory", ""); + + /* inflate and copy compressed data, clear last-block bit if requested */ + len = 0; + zpull(&strm, in); + start = strm.next_in; + last = start[0] & 1; + if (last && clr) + start[0] &= ~1; + strm.avail_out = 0; + for (;;) { + /* if input used and output done, write used input and get more */ + if (strm.avail_in == 0 && strm.avail_out != 0) { + fwrite(start, 1, strm.next_in - start, out); + start = in->buf; + in->left = 0; + zpull(&strm, in); + } + + /* decompress -- return early when end-of-block reached */ + strm.avail_out = CHUNK; + strm.next_out = junk; + ret = inflate(&strm, Z_BLOCK); + switch (ret) { + case Z_MEM_ERROR: + bail("out of memory", ""); + case Z_DATA_ERROR: + bail("invalid compressed data in ", in->name); + } + + /* update length of uncompressed data */ + len += CHUNK - strm.avail_out; + + /* check for block boundary (only get this when block copied out) */ + if (strm.data_type & 128) { + /* if that was the last block, then done */ + if (last) + break; + + /* number of unused bits in last byte */ + pos = strm.data_type & 7; + + /* find the next last-block bit */ + if (pos != 0) { + /* next last-block bit is in last used byte */ + pos = 0x100 >> pos; + last = strm.next_in[-1] & pos; + if (last && clr) + strm.next_in[-1] &= ~pos; + } + else { + /* next last-block bit is in next unused byte */ + if (strm.avail_in == 0) { + /* don't have that byte yet -- get it */ + fwrite(start, 1, strm.next_in - start, out); + start = in->buf; + in->left = 0; + zpull(&strm, in); + } + last = strm.next_in[0] & 1; + if (last && clr) + strm.next_in[0] &= ~1; + } + } + } + + /* update buffer with unused input */ + in->left = strm.avail_in; + in->next = strm.next_in; + + /* copy used input, write empty blocks to get to byte boundary */ + pos = strm.data_type & 7; + fwrite(start, 1, in->next - start - 1, out); + last = in->next[-1]; + if (pos == 0 || !clr) + /* already at byte boundary, or last file: write last byte */ + putc(last, out); + else { + /* append empty blocks to last byte */ + last &= ((0x100 >> pos) - 1); /* assure unused bits are zero */ + if (pos & 1) { + /* odd -- append an empty stored block */ + putc(last, out); + if (pos == 1) + putc(0, out); /* two more bits in block header */ + fwrite("\0\0\xff\xff", 1, 4, out); + } + else { + /* even -- append 1, 2, or 3 empty fixed blocks */ + switch (pos) { + case 6: + putc(last | 8, out); + last = 0; + case 4: + putc(last | 0x20, out); + last = 0; + case 2: + putc(last | 0x80, out); + putc(0, out); + } + } + } + + /* update crc and tot */ + *crc = crc32_combine(*crc, bget4(in), len); + *tot += (unsigned long)len; + + /* clean up */ + inflateEnd(&strm); + free(junk); + bclose(in); + + /* write trailer if this is the last gzip file */ + if (!clr) { + put4(*crc, out); + put4(*tot, out); + } +} + +/* join the gzip files on the command line, write result to stdout */ +int main(int argc, char **argv) +{ + unsigned long crc, tot; /* running crc and total uncompressed length */ + + /* skip command name */ + argc--; + argv++; + + /* show usage if no arguments */ + if (argc == 0) { + fputs("gzjoin usage: gzjoin f1.gz [f2.gz [f3.gz ...]] > fjoin.gz\n", + stderr); + return 0; + } + + /* join gzip files on command line and write to stdout */ + gzinit(&crc, &tot, stdout); + while (argc--) + gzcopy(*argv++, argc, &crc, &tot, stdout); + + /* done */ + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.c b/Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.c new file mode 100644 index 00000000000..f71f817c8b6 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.c @@ -0,0 +1,413 @@ +/* + * gzlog.c + * Copyright (C) 2004 Mark Adler + * For conditions of distribution and use, see copyright notice in gzlog.h + * version 1.0, 26 Nov 2004 + * + */ + +#include /* memcmp() */ +#include /* malloc(), free(), NULL */ +#include /* size_t, off_t */ +#include /* read(), close(), sleep(), ftruncate(), */ + /* lseek() */ +#include /* open() */ +#include /* flock() */ +#include "zlib.h" /* deflateInit2(), deflate(), deflateEnd() */ + +#include "gzlog.h" /* interface */ +#define local static + +/* log object structure */ +typedef struct { + int id; /* object identifier */ + int fd; /* log file descriptor */ + off_t extra; /* offset of extra "ap" subfield */ + off_t mark_off; /* offset of marked data */ + off_t last_off; /* offset of last block */ + unsigned long crc; /* uncompressed crc */ + unsigned long len; /* uncompressed length (modulo 2^32) */ + unsigned stored; /* length of current stored block */ +} gz_log; + +#define GZLOGID 19334 /* gz_log object identifier */ + +#define LOCK_RETRY 1 /* retry lock once a second */ +#define LOCK_PATIENCE 1200 /* try about twenty minutes before forcing */ + +/* acquire a lock on a file */ +local int lock(int fd) +{ + int patience; + + /* try to lock every LOCK_RETRY seconds for LOCK_PATIENCE seconds */ + patience = LOCK_PATIENCE; + do { + if (flock(fd, LOCK_EX + LOCK_NB) == 0) + return 0; + (void)sleep(LOCK_RETRY); + patience -= LOCK_RETRY; + } while (patience > 0); + + /* we've run out of patience -- give up */ + return -1; +} + +/* release lock */ +local void unlock(int fd) +{ + (void)flock(fd, LOCK_UN); +} + +/* release a log object */ +local void log_clean(gz_log *log) +{ + unlock(log->fd); + (void)close(log->fd); + free(log); +} + +/* read an unsigned long from a byte buffer little-endian */ +local unsigned long make_ulg(unsigned char *buf) +{ + int n; + unsigned long val; + + val = (unsigned long)(*buf++); + for (n = 8; n < 32; n += 8) + val += (unsigned long)(*buf++) << n; + return val; +} + +/* read an off_t from a byte buffer little-endian */ +local off_t make_off(unsigned char *buf) +{ + int n; + off_t val; + + val = (off_t)(*buf++); + for (n = 8; n < 64; n += 8) + val += (off_t)(*buf++) << n; + return val; +} + +/* write an unsigned long little-endian to byte buffer */ +local void dice_ulg(unsigned long val, unsigned char *buf) +{ + int n; + + for (n = 0; n < 4; n++) { + *buf++ = val & 0xff; + val >>= 8; + } +} + +/* write an off_t little-endian to byte buffer */ +local void dice_off(off_t val, unsigned char *buf) +{ + int n; + + for (n = 0; n < 8; n++) { + *buf++ = val & 0xff; + val >>= 8; + } +} + +/* initial, empty gzip file for appending */ +local char empty_gz[] = { + 0x1f, 0x8b, /* magic gzip id */ + 8, /* compression method is deflate */ + 4, /* there is an extra field */ + 0, 0, 0, 0, /* no modification time provided */ + 0, 0xff, /* no extra flags, no OS */ + 20, 0, 'a', 'p', 16, 0, /* extra field with "ap" subfield */ + 32, 0, 0, 0, 0, 0, 0, 0, /* offset of uncompressed data */ + 32, 0, 0, 0, 0, 0, 0, 0, /* offset of last block */ + 1, 0, 0, 0xff, 0xff, /* empty stored block (last) */ + 0, 0, 0, 0, /* crc */ + 0, 0, 0, 0 /* uncompressed length */ +}; + +/* initialize a log object with locking */ +void *gzlog_open(char *path) +{ + unsigned xlen; + unsigned char temp[20]; + unsigned sub_len; + int good; + gz_log *log; + + /* allocate log structure */ + log = malloc(sizeof(gz_log)); + if (log == NULL) + return NULL; + log->id = GZLOGID; + + /* open file, creating it if necessary, and locking it */ + log->fd = open(path, O_RDWR | O_CREAT, 0600); + if (log->fd < 0) { + free(log); + return NULL; + } + if (lock(log->fd)) { + close(log->fd); + free(log); + return NULL; + } + + /* if file is empty, write new gzip stream */ + if (lseek(log->fd, 0, SEEK_END) == 0) { + if (write(log->fd, empty_gz, sizeof(empty_gz)) != sizeof(empty_gz)) { + log_clean(log); + return NULL; + } + } + + /* check gzip header */ + (void)lseek(log->fd, 0, SEEK_SET); + if (read(log->fd, temp, 12) != 12 || temp[0] != 0x1f || + temp[1] != 0x8b || temp[2] != 8 || (temp[3] & 4) == 0) { + log_clean(log); + return NULL; + } + + /* process extra field to find "ap" sub-field */ + xlen = temp[10] + (temp[11] << 8); + good = 0; + while (xlen) { + if (xlen < 4 || read(log->fd, temp, 4) != 4) + break; + sub_len = temp[2]; + sub_len += temp[3] << 8; + xlen -= 4; + if (memcmp(temp, "ap", 2) == 0 && sub_len == 16) { + good = 1; + break; + } + if (xlen < sub_len) + break; + (void)lseek(log->fd, sub_len, SEEK_CUR); + xlen -= sub_len; + } + if (!good) { + log_clean(log); + return NULL; + } + + /* read in "ap" sub-field */ + log->extra = lseek(log->fd, 0, SEEK_CUR); + if (read(log->fd, temp, 16) != 16) { + log_clean(log); + return NULL; + } + log->mark_off = make_off(temp); + log->last_off = make_off(temp + 8); + + /* get crc, length of gzip file */ + (void)lseek(log->fd, log->last_off, SEEK_SET); + if (read(log->fd, temp, 13) != 13 || + memcmp(temp, "\001\000\000\377\377", 5) != 0) { + log_clean(log); + return NULL; + } + log->crc = make_ulg(temp + 5); + log->len = make_ulg(temp + 9); + + /* set up to write over empty last block */ + (void)lseek(log->fd, log->last_off + 5, SEEK_SET); + log->stored = 0; + return (void *)log; +} + +/* maximum amount to put in a stored block before starting a new one */ +#define MAX_BLOCK 16384 + +/* write a block to a log object */ +int gzlog_write(void *obj, char *data, size_t len) +{ + size_t some; + unsigned char temp[5]; + gz_log *log; + + /* check object */ + log = (gz_log *)obj; + if (log == NULL || log->id != GZLOGID) + return 1; + + /* write stored blocks until all of the input is written */ + do { + some = MAX_BLOCK - log->stored; + if (some > len) + some = len; + if (write(log->fd, data, some) != some) + return 1; + log->crc = crc32(log->crc, data, some); + log->len += some; + len -= some; + data += some; + log->stored += some; + + /* if the stored block is full, end it and start another */ + if (log->stored == MAX_BLOCK) { + (void)lseek(log->fd, log->last_off, SEEK_SET); + temp[0] = 0; + dice_ulg(log->stored + ((unsigned long)(~log->stored) << 16), + temp + 1); + if (write(log->fd, temp, 5) != 5) + return 1; + log->last_off = lseek(log->fd, log->stored, SEEK_CUR); + (void)lseek(log->fd, 5, SEEK_CUR); + log->stored = 0; + } + } while (len); + return 0; +} + +/* recompress the remaining stored deflate data in place */ +local int recomp(gz_log *log) +{ + z_stream strm; + size_t len, max; + unsigned char *in; + unsigned char *out; + unsigned char temp[16]; + + /* allocate space and read it all in (it's around 1 MB) */ + len = log->last_off - log->mark_off; + max = len + (len >> 12) + (len >> 14) + 11; + out = malloc(max); + if (out == NULL) + return 1; + in = malloc(len); + if (in == NULL) { + free(out); + return 1; + } + (void)lseek(log->fd, log->mark_off, SEEK_SET); + if (read(log->fd, in, len) != len) { + free(in); + free(out); + return 1; + } + + /* recompress in memory, decoding stored data as we go */ + /* note: this assumes that unsigned is four bytes or more */ + /* consider not making that assumption */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + if (deflateInit2(&strm, Z_BEST_COMPRESSION, Z_DEFLATED, -15, 8, + Z_DEFAULT_STRATEGY) != Z_OK) { + free(in); + free(out); + return 1; + } + strm.next_in = in; + strm.avail_out = max; + strm.next_out = out; + while (len >= 5) { + if (strm.next_in[0] != 0) + break; + strm.avail_in = strm.next_in[1] + (strm.next_in[2] << 8); + strm.next_in += 5; + len -= 5; + if (strm.avail_in != 0) { + if (len < strm.avail_in) + break; + len -= strm.avail_in; + (void)deflate(&strm, Z_NO_FLUSH); + if (strm.avail_in != 0 || strm.avail_out == 0) + break; + } + } + (void)deflate(&strm, Z_SYNC_FLUSH); + (void)deflateEnd(&strm); + free(in); + if (len != 0 || strm.avail_out == 0) { + free(out); + return 1; + } + + /* overwrite stored data with compressed data */ + (void)lseek(log->fd, log->mark_off, SEEK_SET); + len = max - strm.avail_out; + if (write(log->fd, out, len) != len) { + free(out); + return 1; + } + free(out); + + /* write last empty block, crc, and length */ + log->mark_off = log->last_off = lseek(log->fd, 0, SEEK_CUR); + temp[0] = 1; + dice_ulg(0xffffL << 16, temp + 1); + dice_ulg(log->crc, temp + 5); + dice_ulg(log->len, temp + 9); + if (write(log->fd, temp, 13) != 13) + return 1; + + /* truncate file to discard remaining stored data and old trailer */ + ftruncate(log->fd, lseek(log->fd, 0, SEEK_CUR)); + + /* update extra field to point to new last empty block */ + (void)lseek(log->fd, log->extra, SEEK_SET); + dice_off(log->mark_off, temp); + dice_off(log->last_off, temp + 8); + if (write(log->fd, temp, 16) != 16) + return 1; + return 0; +} + +/* maximum accumulation of stored blocks before compressing */ +#define MAX_STORED 1048576 + +/* close log object */ +int gzlog_close(void *obj) +{ + unsigned char temp[8]; + gz_log *log; + + /* check object */ + log = (gz_log *)obj; + if (log == NULL || log->id != GZLOGID) + return 1; + + /* go to start of most recent block being written */ + (void)lseek(log->fd, log->last_off, SEEK_SET); + + /* if some stuff was put there, update block */ + if (log->stored) { + temp[0] = 0; + dice_ulg(log->stored + ((unsigned long)(~log->stored) << 16), + temp + 1); + if (write(log->fd, temp, 5) != 5) + return 1; + log->last_off = lseek(log->fd, log->stored, SEEK_CUR); + } + + /* write last block (empty) */ + if (write(log->fd, "\001\000\000\377\377", 5) != 5) + return 1; + + /* write updated crc and uncompressed length */ + dice_ulg(log->crc, temp); + dice_ulg(log->len, temp + 4); + if (write(log->fd, temp, 8) != 8) + return 1; + + /* put offset of that last block in gzip extra block */ + (void)lseek(log->fd, log->extra + 8, SEEK_SET); + dice_off(log->last_off, temp); + if (write(log->fd, temp, 8) != 8) + return 1; + + /* if more than 1 MB stored, then time to compress it */ + if (log->last_off - log->mark_off > MAX_STORED) { + if (recomp(log)) + return 1; + } + + /* unlock and close file */ + log_clean(log); + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.h b/Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.h new file mode 100644 index 00000000000..a800bd53917 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/gzlog.h @@ -0,0 +1,58 @@ +/* gzlog.h + Copyright (C) 2004 Mark Adler, all rights reserved + version 1.0, 26 Nov 2004 + + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler madler@alumni.caltech.edu + */ + +/* + The gzlog object allows writing short messages to a gzipped log file, + opening the log file locked for small bursts, and then closing it. The log + object works by appending stored data to the gzip file until 1 MB has been + accumulated. At that time, the stored data is compressed, and replaces the + uncompressed data in the file. The log file is truncated to its new size at + that time. After closing, the log file is always valid gzip file that can + decompressed to recover what was written. + + A gzip header "extra" field contains two file offsets for appending. The + first points to just after the last compressed data. The second points to + the last stored block in the deflate stream, which is empty. All of the + data between those pointers is uncompressed. + */ + +/* Open a gzlog object, creating the log file if it does not exist. Return + NULL on error. Note that gzlog_open() could take a long time to return if + there is difficulty in locking the file. */ +void *gzlog_open(char *path); + +/* Write to a gzlog object. Return non-zero on error. This function will + simply write data to the file uncompressed. Compression of the data + will not occur until gzlog_close() is called. It is expected that + gzlog_write() is used for a short message, and then gzlog_close() is + called. If a large amount of data is to be written, then the application + should write no more than 1 MB at a time with gzlog_write() before + calling gzlog_close() and then gzlog_open() again. */ +int gzlog_write(void *log, char *data, size_t len); + +/* Close a gzlog object. Return non-zero on error. The log file is locked + until this function is called. This function will compress stored data + at the end of the gzip file if at least 1 MB has been accumulated. Note + that the file will not be a valid gzip file until this function completes. + */ +int gzlog_close(void *log); diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/zlib_how.html b/Build/source/libs/zlib/zlib-1.2.3/examples/zlib_how.html new file mode 100644 index 00000000000..40998dbf08a --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/zlib_how.html @@ -0,0 +1,523 @@ + + + + +zlib Usage Example + + + +

zlib Usage Example

+We often get questions about how the deflate() and inflate() functions should be used. +Users wonder when they should provide more input, when they should use more output, +what to do with a Z_BUF_ERROR, how to make sure the process terminates properly, and +so on. So for those who have read zlib.h (a few times), and +would like further edification, below is an annotated example in C of simple routines to compress and decompress +from an input file to an output file using deflate() and inflate() respectively. The +annotations are interspersed between lines of the code. So please read between the lines. +We hope this helps explain some of the intricacies of zlib. +

+Without further adieu, here is the program zpipe.c: +


+/* zpipe.c: example of proper use of zlib's inflate() and deflate()
+   Not copyrighted -- provided to the public domain
+   Version 1.2  9 November 2004  Mark Adler */
+
+/* Version history:
+   1.0  30 Oct 2004  First version
+   1.1   8 Nov 2004  Add void casting for unused return values
+                     Use switch statement for inflate() return values
+   1.2   9 Nov 2004  Add assertions to document zlib guarantees
+ */
+
+We now include the header files for the required definitions. From +stdio.h we use fopen(), fread(), fwrite(), +feof(), ferror(), and fclose() for file i/o, and +fputs() for error messages. From string.h we use +strcmp() for command line argument processing. +From assert.h we use the assert() macro. +From zlib.h +we use the basic compression functions deflateInit(), +deflate(), and deflateEnd(), and the basic decompression +functions inflateInit(), inflate(), and +inflateEnd(). +

+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include "zlib.h"
+
+CHUNK is simply the buffer size for feeding data to and pulling data +from the zlib routines. Larger buffer sizes would be more efficient, +especially for inflate(). If the memory is available, buffers sizes +on the order of 128K or 256K bytes should be used. +

+#define CHUNK 16384
+
+The def() routine compresses data from an input file to an output file. The output data +will be in the zlib format, which is different from the gzip or zip +formats. The zlib format has a very small header of only two bytes to identify it as +a zlib stream and to provide decoding information, and a four-byte trailer with a fast +check value to verify the integrity of the uncompressed data after decoding. +

+/* Compress from file source to file dest until EOF on source.
+   def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
+   allocated for processing, Z_STREAM_ERROR if an invalid compression
+   level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
+   version of the library linked do not match, or Z_ERRNO if there is
+   an error reading or writing the files. */
+int def(FILE *source, FILE *dest, int level)
+{
+
+Here are the local variables for def(). ret will be used for zlib +return codes. flush will keep track of the current flushing state for deflate(), +which is either no flushing, or flush to completion after the end of the input file is reached. +have is the amount of data returned from deflate(). The strm structure +is used to pass information to and from the zlib routines, and to maintain the +deflate() state. in and out are the input and output buffers for +deflate(). +

+    int ret, flush;
+    unsigned have;
+    z_stream strm;
+    char in[CHUNK];
+    char out[CHUNK];
+
+The first thing we do is to initialize the zlib state for compression using +deflateInit(). This must be done before the first use of deflate(). +The zalloc, zfree, and opaque fields in the strm +structure must be initialized before calling deflateInit(). Here they are +set to the zlib constant Z_NULL to request that zlib use +the default memory allocation routines. An application may also choose to provide +custom memory allocation routines here. deflateInit() will allocate on the +order of 256K bytes for the internal state. +(See zlib Technical Details.) +

+deflateInit() is called with a pointer to the structure to be initialized and +the compression level, which is an integer in the range of -1 to 9. Lower compression +levels result in faster execution, but less compression. Higher levels result in +greater compression, but slower execution. The zlib constant Z_DEFAULT_COMPRESSION, +equal to -1, +provides a good compromise between compression and speed and is equivalent to level 6. +Level 0 actually does no compression at all, and in fact expands the data slightly to produce +the zlib format (it is not a byte-for-byte copy of the input). +More advanced applications of zlib +may use deflateInit2() here instead. Such an application may want to reduce how +much memory will be used, at some price in compression. Or it may need to request a +gzip header and trailer instead of a zlib header and trailer, or raw +encoding with no header or trailer at all. +

+We must check the return value of deflateInit() against the zlib constant +Z_OK to make sure that it was able to +allocate memory for the internal state, and that the provided arguments were valid. +deflateInit() will also check that the version of zlib that the zlib.h +file came from matches the version of zlib actually linked with the program. This +is especially important for environments in which zlib is a shared library. +

+Note that an application can initialize multiple, independent zlib streams, which can +operate in parallel. The state information maintained in the structure allows the zlib +routines to be reentrant. +


+    /* allocate deflate state */
+    strm.zalloc = Z_NULL;
+    strm.zfree = Z_NULL;
+    strm.opaque = Z_NULL;
+    ret = deflateInit(&strm, level);
+    if (ret != Z_OK)
+        return ret;
+
+With the pleasantries out of the way, now we can get down to business. The outer do-loop +reads all of the input file and exits at the bottom of the loop once end-of-file is reached. +This loop contains the only call of deflate(). So we must make sure that all of the +input data has been processed and that all of the output data has been generated and consumed +before we fall out of the loop at the bottom. +

+    /* compress until end of file */
+    do {
+
+We start off by reading data from the input file. The number of bytes read is put directly +into avail_in, and a pointer to those bytes is put into next_in. We also +check to see if end-of-file on the input has been reached. If we are at the end of file, then flush is set to the +zlib constant Z_FINISH, which is later passed to deflate() to +indicate that this is the last chunk of input data to compress. We need to use feof() +to check for end-of-file as opposed to seeing if fewer than CHUNK bytes have been read. The +reason is that if the input file length is an exact multiple of CHUNK, we will miss +the fact that we got to the end-of-file, and not know to tell deflate() to finish +up the compressed stream. If we are not yet at the end of the input, then the zlib +constant Z_NO_FLUSH will be passed to deflate to indicate that we are still +in the middle of the uncompressed data. +

+If there is an error in reading from the input file, the process is aborted with +deflateEnd() being called to free the allocated zlib state before returning +the error. We wouldn't want a memory leak, now would we? deflateEnd() can be called +at any time after the state has been initialized. Once that's done, deflateInit() (or +deflateInit2()) would have to be called to start a new compression process. There is +no point here in checking the deflateEnd() return code. The deallocation can't fail. +


+        strm.avail_in = fread(in, 1, CHUNK, source);
+        if (ferror(source)) {
+            (void)deflateEnd(&strm);
+            return Z_ERRNO;
+        }
+        flush = feof(source) ? Z_FINISH : Z_NO_FLUSH;
+        strm.next_in = in;
+
+The inner do-loop passes our chunk of input data to deflate(), and then +keeps calling deflate() until it is done producing output. Once there is no more +new output, deflate() is guaranteed to have consumed all of the input, i.e., +avail_in will be zero. +

+        /* run deflate() on input until output buffer not full, finish
+           compression if all of source has been read in */
+        do {
+
+Output space is provided to deflate() by setting avail_out to the number +of available output bytes and next_out to a pointer to that space. +

+            strm.avail_out = CHUNK;
+            strm.next_out = out;
+
+Now we call the compression engine itself, deflate(). It takes as many of the +avail_in bytes at next_in as it can process, and writes as many as +avail_out bytes to next_out. Those counters and pointers are then +updated past the input data consumed and the output data written. It is the amount of +output space available that may limit how much input is consumed. +Hence the inner loop to make sure that +all of the input is consumed by providing more output space each time. Since avail_in +and next_in are updated by deflate(), we don't have to mess with those +between deflate() calls until it's all used up. +

+The parameters to deflate() are a pointer to the strm structure containing +the input and output information and the internal compression engine state, and a parameter +indicating whether and how to flush data to the output. Normally deflate will consume +several K bytes of input data before producing any output (except for the header), in order +to accumulate statistics on the data for optimum compression. It will then put out a burst of +compressed data, and proceed to consume more input before the next burst. Eventually, +deflate() +must be told to terminate the stream, complete the compression with provided input data, and +write out the trailer check value. deflate() will continue to compress normally as long +as the flush parameter is Z_NO_FLUSH. Once the Z_FINISH parameter is provided, +deflate() will begin to complete the compressed output stream. However depending on how +much output space is provided, deflate() may have to be called several times until it +has provided the complete compressed stream, even after it has consumed all of the input. The flush +parameter must continue to be Z_FINISH for those subsequent calls. +

+There are other values of the flush parameter that are used in more advanced applications. You can +force deflate() to produce a burst of output that encodes all of the input data provided +so far, even if it wouldn't have otherwise, for example to control data latency on a link with +compressed data. You can also ask that deflate() do that as well as erase any history up to +that point so that what follows can be decompressed independently, for example for random access +applications. Both requests will degrade compression by an amount depending on how often such +requests are made. +

+deflate() has a return value that can indicate errors, yet we do not check it here. Why +not? Well, it turns out that deflate() can do no wrong here. Let's go through +deflate()'s return values and dispense with them one by one. The possible values are +Z_OK, Z_STREAM_END, Z_STREAM_ERROR, or Z_BUF_ERROR. Z_OK +is, well, ok. Z_STREAM_END is also ok and will be returned for the last call of +deflate(). This is already guaranteed by calling deflate() with Z_FINISH +until it has no more output. Z_STREAM_ERROR is only possible if the stream is not +initialized properly, but we did initialize it properly. There is no harm in checking for +Z_STREAM_ERROR here, for example to check for the possibility that some +other part of the application inadvertently clobbered the memory containing the zlib state. +Z_BUF_ERROR will be explained further below, but +suffice it to say that this is simply an indication that deflate() could not consume +more input or produce more output. deflate() can be called again with more output space +or more available input, which it will be in this code. +


+            ret = deflate(&strm, flush);    /* no bad return value */
+            assert(ret != Z_STREAM_ERROR);  /* state not clobbered */
+
+Now we compute how much output deflate() provided on the last call, which is the +difference between how much space was provided before the call, and how much output space +is still available after the call. Then that data, if any, is written to the output file. +We can then reuse the output buffer for the next call of deflate(). Again if there +is a file i/o error, we call deflateEnd() before returning to avoid a memory leak. +

+            have = CHUNK - strm.avail_out;
+            if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
+                (void)deflateEnd(&strm);
+                return Z_ERRNO;
+            }
+
+The inner do-loop is repeated until the last deflate() call fails to fill the +provided output buffer. Then we know that deflate() has done as much as it can with +the provided input, and that all of that input has been consumed. We can then fall out of this +loop and reuse the input buffer. +

+The way we tell that deflate() has no more output is by seeing that it did not fill +the output buffer, leaving avail_out greater than zero. However suppose that +deflate() has no more output, but just so happened to exactly fill the output buffer! +avail_out is zero, and we can't tell that deflate() has done all it can. +As far as we know, deflate() +has more output for us. So we call it again. But now deflate() produces no output +at all, and avail_out remains unchanged as CHUNK. That deflate() call +wasn't able to do anything, either consume input or produce output, and so it returns +Z_BUF_ERROR. (See, I told you I'd cover this later.) However this is not a problem at +all. Now we finally have the desired indication that deflate() is really done, +and so we drop out of the inner loop to provide more input to deflate(). +

+With flush set to Z_FINISH, this final set of deflate() calls will +complete the output stream. Once that is done, subsequent calls of deflate() would return +Z_STREAM_ERROR if the flush parameter is not Z_FINISH, and do no more processing +until the state is reinitialized. +

+Some applications of zlib have two loops that call deflate() +instead of the single inner loop we have here. The first loop would call +without flushing and feed all of the data to deflate(). The second loop would call +deflate() with no more +data and the Z_FINISH parameter to complete the process. As you can see from this +example, that can be avoided by simply keeping track of the current flush state. +


+        } while (strm.avail_out == 0);
+        assert(strm.avail_in == 0);     /* all input will be used */
+
+Now we check to see if we have already processed all of the input file. That information was +saved in the flush variable, so we see if that was set to Z_FINISH. If so, +then we're done and we fall out of the outer loop. We're guaranteed to get Z_STREAM_END +from the last deflate() call, since we ran it until the last chunk of input was +consumed and all of the output was generated. +

+        /* done when last data in file processed */
+    } while (flush != Z_FINISH);
+    assert(ret == Z_STREAM_END);        /* stream will be complete */
+
+The process is complete, but we still need to deallocate the state to avoid a memory leak +(or rather more like a memory hemorrhage if you didn't do this). Then +finally we can return with a happy return value. +

+    /* clean up and return */
+    (void)deflateEnd(&strm);
+    return Z_OK;
+}
+
+Now we do the same thing for decompression in the inf() routine. inf() +decompresses what is hopefully a valid zlib stream from the input file and writes the +uncompressed data to the output file. Much of the discussion above for def() +applies to inf() as well, so the discussion here will focus on the differences between +the two. +

+/* Decompress from file source to file dest until stream ends or EOF.
+   inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
+   allocated for processing, Z_DATA_ERROR if the deflate data is
+   invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
+   the version of the library linked do not match, or Z_ERRNO if there
+   is an error reading or writing the files. */
+int inf(FILE *source, FILE *dest)
+{
+
+The local variables have the same functionality as they do for def(). The +only difference is that there is no flush variable, since inflate() +can tell from the zlib stream itself when the stream is complete. +

+    int ret;
+    unsigned have;
+    z_stream strm;
+    char in[CHUNK];
+    char out[CHUNK];
+
+The initialization of the state is the same, except that there is no compression level, +of course, and two more elements of the structure are initialized. avail_in +and next_in must be initialized before calling inflateInit(). This +is because the application has the option to provide the start of the zlib stream in +order for inflateInit() to have access to information about the compression +method to aid in memory allocation. In the current implementation of zlib +(up through versions 1.2.x), the method-dependent memory allocations are deferred to the first call of +inflate() anyway. However those fields must be initialized since later versions +of zlib that provide more compression methods may take advantage of this interface. +In any case, no decompression is performed by inflateInit(), so the +avail_out and next_out fields do not need to be initialized before calling. +

+Here avail_in is set to zero and next_in is set to Z_NULL to +indicate that no input data is being provided. +


+    /* allocate inflate state */
+    strm.zalloc = Z_NULL;
+    strm.zfree = Z_NULL;
+    strm.opaque = Z_NULL;
+    strm.avail_in = 0;
+    strm.next_in = Z_NULL;
+    ret = inflateInit(&strm);
+    if (ret != Z_OK)
+        return ret;
+
+The outer do-loop decompresses input until inflate() indicates +that it has reached the end of the compressed data and has produced all of the uncompressed +output. This is in contrast to def() which processes all of the input file. +If end-of-file is reached before the compressed data self-terminates, then the compressed +data is incomplete and an error is returned. +

+    /* decompress until deflate stream ends or end of file */
+    do {
+
+We read input data and set the strm structure accordingly. If we've reached the +end of the input file, then we leave the outer loop and report an error, since the +compressed data is incomplete. Note that we may read more data than is eventually consumed +by inflate(), if the input file continues past the zlib stream. +For applications where zlib streams are embedded in other data, this routine would +need to be modified to return the unused data, or at least indicate how much of the input +data was not used, so the application would know where to pick up after the zlib stream. +

+        strm.avail_in = fread(in, 1, CHUNK, source);
+        if (ferror(source)) {
+            (void)inflateEnd(&strm);
+            return Z_ERRNO;
+        }
+        if (strm.avail_in == 0)
+            break;
+        strm.next_in = in;
+
+The inner do-loop has the same function it did in def(), which is to +keep calling inflate() until has generated all of the output it can with the +provided input. +

+        /* run inflate() on input until output buffer not full */
+        do {
+
+Just like in def(), the same output space is provided for each call of inflate(). +

+            strm.avail_out = CHUNK;
+            strm.next_out = out;
+
+Now we run the decompression engine itself. There is no need to adjust the flush parameter, since +the zlib format is self-terminating. The main difference here is that there are +return values that we need to pay attention to. Z_DATA_ERROR +indicates that inflate() detected an error in the zlib compressed data format, +which means that either the data is not a zlib stream to begin with, or that the data was +corrupted somewhere along the way since it was compressed. The other error to be processed is +Z_MEM_ERROR, which can occur since memory allocation is deferred until inflate() +needs it, unlike deflate(), whose memory is allocated at the start by deflateInit(). +

+Advanced applications may use +deflateSetDictionary() to prime deflate() with a set of likely data to improve the +first 32K or so of compression. This is noted in the zlib header, so inflate() +requests that that dictionary be provided before it can start to decompress. Without the dictionary, +correct decompression is not possible. For this routine, we have no idea what the dictionary is, +so the Z_NEED_DICT indication is converted to a Z_DATA_ERROR. +

+inflate() can also return Z_STREAM_ERROR, which should not be possible here, +but could be checked for as noted above for def(). Z_BUF_ERROR does not need to be +checked for here, for the same reasons noted for def(). Z_STREAM_END will be +checked for later. +


+            ret = inflate(&strm, Z_NO_FLUSH);
+            assert(ret != Z_STREAM_ERROR);  /* state not clobbered */
+            switch (ret) {
+            case Z_NEED_DICT:
+                ret = Z_DATA_ERROR;     /* and fall through */
+            case Z_DATA_ERROR:
+            case Z_MEM_ERROR:
+                (void)inflateEnd(&strm);
+                return ret;
+            }
+
+The output of inflate() is handled identically to that of deflate(). +

+            have = CHUNK - strm.avail_out;
+            if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
+                (void)inflateEnd(&strm);
+                return Z_ERRNO;
+            }
+
+The inner do-loop ends when inflate() has no more output as indicated +by not filling the output buffer, just as for deflate(). In this case, we cannot +assert that strm.avail_in will be zero, since the deflate stream may end before the file +does. +

+        } while (strm.avail_out == 0);
+
+The outer do-loop ends when inflate() reports that it has reached the +end of the input zlib stream, has completed the decompression and integrity +check, and has provided all of the output. This is indicated by the inflate() +return value Z_STREAM_END. The inner loop is guaranteed to leave ret +equal to Z_STREAM_END if the last chunk of the input file read contained the end +of the zlib stream. So if the return value is not Z_STREAM_END, the +loop continues to read more input. +

+        /* done when inflate() says it's done */
+    } while (ret != Z_STREAM_END);
+
+At this point, decompression successfully completed, or we broke out of the loop due to no +more data being available from the input file. If the last inflate() return value +is not Z_STREAM_END, then the zlib stream was incomplete and a data error +is returned. Otherwise, we return with a happy return value. Of course, inflateEnd() +is called first to avoid a memory leak. +

+    /* clean up and return */
+    (void)inflateEnd(&strm);
+    return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR;
+}
+
+That ends the routines that directly use zlib. The following routines make this +a command-line program by running data through the above routines from stdin to +stdout, and handling any errors reported by def() or inf(). +

+zerr() is used to interpret the possible error codes from def() +and inf(), as detailed in their comments above, and print out an error message. +Note that these are only a subset of the possible return values from deflate() +and inflate(). +


+/* report a zlib or i/o error */
+void zerr(int ret)
+{
+    fputs("zpipe: ", stderr);
+    switch (ret) {
+    case Z_ERRNO:
+        if (ferror(stdin))
+            fputs("error reading stdin\n", stderr);
+        if (ferror(stdout))
+            fputs("error writing stdout\n", stderr);
+        break;
+    case Z_STREAM_ERROR:
+        fputs("invalid compression level\n", stderr);
+        break;
+    case Z_DATA_ERROR:
+        fputs("invalid or incomplete deflate data\n", stderr);
+        break;
+    case Z_MEM_ERROR:
+        fputs("out of memory\n", stderr);
+        break;
+    case Z_VERSION_ERROR:
+        fputs("zlib version mismatch!\n", stderr);
+    }
+}
+
+Here is the main() routine used to test def() and inf(). The +zpipe command is simply a compression pipe from stdin to stdout, if +no arguments are given, or it is a decompression pipe if zpipe -d is used. If any other +arguments are provided, no compression or decompression is performed. Instead a usage +message is displayed. Examples are zpipe < foo.txt > foo.txt.z to compress, and +zpipe -d < foo.txt.z > foo.txt to decompress. +

+/* compress or decompress from stdin to stdout */
+int main(int argc, char **argv)
+{
+    int ret;
+
+    /* do compression if no arguments */
+    if (argc == 1) {
+        ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION);
+        if (ret != Z_OK)
+            zerr(ret);
+        return ret;
+    }
+
+    /* do decompression if -d specified */
+    else if (argc == 2 && strcmp(argv[1], "-d") == 0) {
+        ret = inf(stdin, stdout);
+        if (ret != Z_OK)
+            zerr(ret);
+        return ret;
+    }
+
+    /* otherwise, report usage */
+    else {
+        fputs("zpipe usage: zpipe [-d] < source > dest\n", stderr);
+        return 1;
+    }
+}
+
+
+Copyright (c) 2004 by Mark Adler
Last modified 13 November 2004
+ + diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/zpipe.c b/Build/source/libs/zlib/zlib-1.2.3/examples/zpipe.c new file mode 100644 index 00000000000..26abb56a9ca --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/zpipe.c @@ -0,0 +1,191 @@ +/* zpipe.c: example of proper use of zlib's inflate() and deflate() + Not copyrighted -- provided to the public domain + Version 1.2 9 November 2004 Mark Adler */ + +/* Version history: + 1.0 30 Oct 2004 First version + 1.1 8 Nov 2004 Add void casting for unused return values + Use switch statement for inflate() return values + 1.2 9 Nov 2004 Add assertions to document zlib guarantees + 1.3 6 Apr 2005 Remove incorrect assertion in inf() + */ + +#include +#include +#include +#include "zlib.h" + +#define CHUNK 16384 + +/* Compress from file source to file dest until EOF on source. + def() returns Z_OK on success, Z_MEM_ERROR if memory could not be + allocated for processing, Z_STREAM_ERROR if an invalid compression + level is supplied, Z_VERSION_ERROR if the version of zlib.h and the + version of the library linked do not match, or Z_ERRNO if there is + an error reading or writing the files. */ +int def(FILE *source, FILE *dest, int level) +{ + int ret, flush; + unsigned have; + z_stream strm; + char in[CHUNK]; + char out[CHUNK]; + + /* allocate deflate state */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + ret = deflateInit(&strm, level); + if (ret != Z_OK) + return ret; + + /* compress until end of file */ + do { + strm.avail_in = fread(in, 1, CHUNK, source); + if (ferror(source)) { + (void)deflateEnd(&strm); + return Z_ERRNO; + } + flush = feof(source) ? Z_FINISH : Z_NO_FLUSH; + strm.next_in = in; + + /* run deflate() on input until output buffer not full, finish + compression if all of source has been read in */ + do { + strm.avail_out = CHUNK; + strm.next_out = out; + ret = deflate(&strm, flush); /* no bad return value */ + assert(ret != Z_STREAM_ERROR); /* state not clobbered */ + have = CHUNK - strm.avail_out; + if (fwrite(out, 1, have, dest) != have || ferror(dest)) { + (void)deflateEnd(&strm); + return Z_ERRNO; + } + } while (strm.avail_out == 0); + assert(strm.avail_in == 0); /* all input will be used */ + + /* done when last data in file processed */ + } while (flush != Z_FINISH); + assert(ret == Z_STREAM_END); /* stream will be complete */ + + /* clean up and return */ + (void)deflateEnd(&strm); + return Z_OK; +} + +/* Decompress from file source to file dest until stream ends or EOF. + inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be + allocated for processing, Z_DATA_ERROR if the deflate data is + invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and + the version of the library linked do not match, or Z_ERRNO if there + is an error reading or writing the files. */ +int inf(FILE *source, FILE *dest) +{ + int ret; + unsigned have; + z_stream strm; + char in[CHUNK]; + char out[CHUNK]; + + /* allocate inflate state */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit(&strm); + if (ret != Z_OK) + return ret; + + /* decompress until deflate stream ends or end of file */ + do { + strm.avail_in = fread(in, 1, CHUNK, source); + if (ferror(source)) { + (void)inflateEnd(&strm); + return Z_ERRNO; + } + if (strm.avail_in == 0) + break; + strm.next_in = in; + + /* run inflate() on input until output buffer not full */ + do { + strm.avail_out = CHUNK; + strm.next_out = out; + ret = inflate(&strm, Z_NO_FLUSH); + assert(ret != Z_STREAM_ERROR); /* state not clobbered */ + switch (ret) { + case Z_NEED_DICT: + ret = Z_DATA_ERROR; /* and fall through */ + case Z_DATA_ERROR: + case Z_MEM_ERROR: + (void)inflateEnd(&strm); + return ret; + } + have = CHUNK - strm.avail_out; + if (fwrite(out, 1, have, dest) != have || ferror(dest)) { + (void)inflateEnd(&strm); + return Z_ERRNO; + } + } while (strm.avail_out == 0); + + /* done when inflate() says it's done */ + } while (ret != Z_STREAM_END); + + /* clean up and return */ + (void)inflateEnd(&strm); + return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR; +} + +/* report a zlib or i/o error */ +void zerr(int ret) +{ + fputs("zpipe: ", stderr); + switch (ret) { + case Z_ERRNO: + if (ferror(stdin)) + fputs("error reading stdin\n", stderr); + if (ferror(stdout)) + fputs("error writing stdout\n", stderr); + break; + case Z_STREAM_ERROR: + fputs("invalid compression level\n", stderr); + break; + case Z_DATA_ERROR: + fputs("invalid or incomplete deflate data\n", stderr); + break; + case Z_MEM_ERROR: + fputs("out of memory\n", stderr); + break; + case Z_VERSION_ERROR: + fputs("zlib version mismatch!\n", stderr); + } +} + +/* compress or decompress from stdin to stdout */ +int main(int argc, char **argv) +{ + int ret; + + /* do compression if no arguments */ + if (argc == 1) { + ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION); + if (ret != Z_OK) + zerr(ret); + return ret; + } + + /* do decompression if -d specified */ + else if (argc == 2 && strcmp(argv[1], "-d") == 0) { + ret = inf(stdin, stdout); + if (ret != Z_OK) + zerr(ret); + return ret; + } + + /* otherwise, report usage */ + else { + fputs("zpipe usage: zpipe [-d] < source > dest\n", stderr); + return 1; + } +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/examples/zran.c b/Build/source/libs/zlib/zlib-1.2.3/examples/zran.c new file mode 100644 index 00000000000..8c7717eb2cd --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/examples/zran.c @@ -0,0 +1,404 @@ +/* zran.c -- example of zlib/gzip stream indexing and random access + * Copyright (C) 2005 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + Version 1.0 29 May 2005 Mark Adler */ + +/* Illustrate the use of Z_BLOCK, inflatePrime(), and inflateSetDictionary() + for random access of a compressed file. A file containing a zlib or gzip + stream is provided on the command line. The compressed stream is decoded in + its entirety, and an index built with access points about every SPAN bytes + in the uncompressed output. The compressed file is left open, and can then + be read randomly, having to decompress on the average SPAN/2 uncompressed + bytes before getting to the desired block of data. + + An access point can be created at the start of any deflate block, by saving + the starting file offset and bit of that block, and the 32K bytes of + uncompressed data that precede that block. Also the uncompressed offset of + that block is saved to provide a referece for locating a desired starting + point in the uncompressed stream. build_index() works by decompressing the + input zlib or gzip stream a block at a time, and at the end of each block + deciding if enough uncompressed data has gone by to justify the creation of + a new access point. If so, that point is saved in a data structure that + grows as needed to accommodate the points. + + To use the index, an offset in the uncompressed data is provided, for which + the latest accees point at or preceding that offset is located in the index. + The input file is positioned to the specified location in the index, and if + necessary the first few bits of the compressed data is read from the file. + inflate is initialized with those bits and the 32K of uncompressed data, and + the decompression then proceeds until the desired offset in the file is + reached. Then the decompression continues to read the desired uncompressed + data from the file. + + Another approach would be to generate the index on demand. In that case, + requests for random access reads from the compressed data would try to use + the index, but if a read far enough past the end of the index is required, + then further index entries would be generated and added. + + There is some fair bit of overhead to starting inflation for the random + access, mainly copying the 32K byte dictionary. So if small pieces of the + file are being accessed, it would make sense to implement a cache to hold + some lookahead and avoid many calls to extract() for small lengths. + + Another way to build an index would be to use inflateCopy(). That would + not be constrained to have access points at block boundaries, but requires + more memory per access point, and also cannot be saved to file due to the + use of pointers in the state. The approach here allows for storage of the + index in a file. + */ + +#include +#include +#include +#include "zlib.h" + +#define local static + +#define SPAN 1048576L /* desired distance between access points */ +#define WINSIZE 32768U /* sliding window size */ +#define CHUNK 16384 /* file input buffer size */ + +/* access point entry */ +struct point { + off_t out; /* corresponding offset in uncompressed data */ + off_t in; /* offset in input file of first full byte */ + int bits; /* number of bits (1-7) from byte at in - 1, or 0 */ + unsigned char window[WINSIZE]; /* preceding 32K of uncompressed data */ +}; + +/* access point list */ +struct access { + int have; /* number of list entries filled in */ + int size; /* number of list entries allocated */ + struct point *list; /* allocated list */ +}; + +/* Deallocate an index built by build_index() */ +local void free_index(struct access *index) +{ + if (index != NULL) { + free(index->list); + free(index); + } +} + +/* Add an entry to the access point list. If out of memory, deallocate the + existing list and return NULL. */ +local struct access *addpoint(struct access *index, int bits, + off_t in, off_t out, unsigned left, unsigned char *window) +{ + struct point *next; + + /* if list is empty, create it (start with eight points) */ + if (index == NULL) { + index = malloc(sizeof(struct access)); + if (index == NULL) return NULL; + index->list = malloc(sizeof(struct point) << 3); + if (index->list == NULL) { + free(index); + return NULL; + } + index->size = 8; + index->have = 0; + } + + /* if list is full, make it bigger */ + else if (index->have == index->size) { + index->size <<= 1; + next = realloc(index->list, sizeof(struct point) * index->size); + if (next == NULL) { + free_index(index); + return NULL; + } + index->list = next; + } + + /* fill in entry and increment how many we have */ + next = index->list + index->have; + next->bits = bits; + next->in = in; + next->out = out; + if (left) + memcpy(next->window, window + WINSIZE - left, left); + if (left < WINSIZE) + memcpy(next->window + left, window, WINSIZE - left); + index->have++; + + /* return list, possibly reallocated */ + return index; +} + +/* Make one entire pass through the compressed stream and build an index, with + access points about every span bytes of uncompressed output -- span is + chosen to balance the speed of random access against the memory requirements + of the list, about 32K bytes per access point. Note that data after the end + of the first zlib or gzip stream in the file is ignored. build_index() + returns the number of access points on success (>= 1), Z_MEM_ERROR for out + of memory, Z_DATA_ERROR for an error in the input file, or Z_ERRNO for a + file read error. On success, *built points to the resulting index. */ +local int build_index(FILE *in, off_t span, struct access **built) +{ + int ret; + off_t totin, totout; /* our own total counters to avoid 4GB limit */ + off_t last; /* totout value of last access point */ + struct access *index; /* access points being generated */ + z_stream strm; + unsigned char input[CHUNK]; + unsigned char window[WINSIZE]; + + /* initialize inflate */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, 47); /* automatic zlib or gzip decoding */ + if (ret != Z_OK) + return ret; + + /* inflate the input, maintain a sliding window, and build an index -- this + also validates the integrity of the compressed data using the check + information at the end of the gzip or zlib stream */ + totin = totout = last = 0; + index = NULL; /* will be allocated by first addpoint() */ + strm.avail_out = 0; + do { + /* get some compressed data from input file */ + strm.avail_in = fread(input, 1, CHUNK, in); + if (ferror(in)) { + ret = Z_ERRNO; + goto build_index_error; + } + if (strm.avail_in == 0) { + ret = Z_DATA_ERROR; + goto build_index_error; + } + strm.next_in = input; + + /* process all of that, or until end of stream */ + do { + /* reset sliding window if necessary */ + if (strm.avail_out == 0) { + strm.avail_out = WINSIZE; + strm.next_out = window; + } + + /* inflate until out of input, output, or at end of block -- + update the total input and output counters */ + totin += strm.avail_in; + totout += strm.avail_out; + ret = inflate(&strm, Z_BLOCK); /* return at end of block */ + totin -= strm.avail_in; + totout -= strm.avail_out; + if (ret == Z_NEED_DICT) + ret = Z_DATA_ERROR; + if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR) + goto build_index_error; + if (ret == Z_STREAM_END) + break; + + /* if at end of block, consider adding an index entry (note that if + data_type indicates an end-of-block, then all of the + uncompressed data from that block has been delivered, and none + of the compressed data after that block has been consumed, + except for up to seven bits) -- the totout == 0 provides an + entry point after the zlib or gzip header, and assures that the + index always has at least one access point; we avoid creating an + access point after the last block by checking bit 6 of data_type + */ + if ((strm.data_type & 128) && !(strm.data_type & 64) && + (totout == 0 || totout - last > span)) { + index = addpoint(index, strm.data_type & 7, totin, + totout, strm.avail_out, window); + if (index == NULL) { + ret = Z_MEM_ERROR; + goto build_index_error; + } + last = totout; + } + } while (strm.avail_in != 0); + } while (ret != Z_STREAM_END); + + /* clean up and return index (release unused entries in list) */ + (void)inflateEnd(&strm); + index = realloc(index, sizeof(struct point) * index->have); + index->size = index->have; + *built = index; + return index->size; + + /* return error */ + build_index_error: + (void)inflateEnd(&strm); + if (index != NULL) + free_index(index); + return ret; +} + +/* Use the index to read len bytes from offset into buf, return bytes read or + negative for error (Z_DATA_ERROR or Z_MEM_ERROR). If data is requested past + the end of the uncompressed data, then extract() will return a value less + than len, indicating how much as actually read into buf. This function + should not return a data error unless the file was modified since the index + was generated. extract() may also return Z_ERRNO if there is an error on + reading or seeking the input file. */ +local int extract(FILE *in, struct access *index, off_t offset, + unsigned char *buf, int len) +{ + int ret, skip; + z_stream strm; + struct point *here; + unsigned char input[CHUNK]; + unsigned char discard[WINSIZE]; + + /* proceed only if something reasonable to do */ + if (len < 0) + return 0; + + /* find where in stream to start */ + here = index->list; + ret = index->have; + while (--ret && here[1].out <= offset) + here++; + + /* initialize file and inflate state to start there */ + strm.zalloc = Z_NULL; + strm.zfree = Z_NULL; + strm.opaque = Z_NULL; + strm.avail_in = 0; + strm.next_in = Z_NULL; + ret = inflateInit2(&strm, -15); /* raw inflate */ + if (ret != Z_OK) + return ret; + ret = fseeko(in, here->in - (here->bits ? 1 : 0), SEEK_SET); + if (ret == -1) + goto extract_ret; + if (here->bits) { + ret = getc(in); + if (ret == -1) { + ret = ferror(in) ? Z_ERRNO : Z_DATA_ERROR; + goto extract_ret; + } + (void)inflatePrime(&strm, here->bits, ret >> (8 - here->bits)); + } + (void)inflateSetDictionary(&strm, here->window, WINSIZE); + + /* skip uncompressed bytes until offset reached, then satisfy request */ + offset -= here->out; + strm.avail_in = 0; + skip = 1; /* while skipping to offset */ + do { + /* define where to put uncompressed data, and how much */ + if (offset == 0 && skip) { /* at offset now */ + strm.avail_out = len; + strm.next_out = buf; + skip = 0; /* only do this once */ + } + if (offset > WINSIZE) { /* skip WINSIZE bytes */ + strm.avail_out = WINSIZE; + strm.next_out = discard; + offset -= WINSIZE; + } + else if (offset != 0) { /* last skip */ + strm.avail_out = (unsigned)offset; + strm.next_out = discard; + offset = 0; + } + + /* uncompress until avail_out filled, or end of stream */ + do { + if (strm.avail_in == 0) { + strm.avail_in = fread(input, 1, CHUNK, in); + if (ferror(in)) { + ret = Z_ERRNO; + goto extract_ret; + } + if (strm.avail_in == 0) { + ret = Z_DATA_ERROR; + goto extract_ret; + } + strm.next_in = input; + } + ret = inflate(&strm, Z_NO_FLUSH); /* normal inflate */ + if (ret == Z_NEED_DICT) + ret = Z_DATA_ERROR; + if (ret == Z_MEM_ERROR || ret == Z_DATA_ERROR) + goto extract_ret; + if (ret == Z_STREAM_END) + break; + } while (strm.avail_out != 0); + + /* if reach end of stream, then don't keep trying to get more */ + if (ret == Z_STREAM_END) + break; + + /* do until offset reached and requested data read, or stream ends */ + } while (skip); + + /* compute number of uncompressed bytes read after offset */ + ret = skip ? 0 : len - strm.avail_out; + + /* clean up and return bytes read or error */ + extract_ret: + (void)inflateEnd(&strm); + return ret; +} + +/* Demonstrate the use of build_index() and extract() by processing the file + provided on the command line, and the extracting 16K from about 2/3rds of + the way through the uncompressed output, and writing that to stdout. */ +int main(int argc, char **argv) +{ + int len; + off_t offset; + FILE *in; + struct access *index; + unsigned char buf[CHUNK]; + + /* open input file */ + if (argc != 2) { + fprintf(stderr, "usage: zran file.gz\n"); + return 1; + } + in = fopen(argv[1], "rb"); + if (in == NULL) { + fprintf(stderr, "zran: could not open %s for reading\n", argv[1]); + return 1; + } + + /* build index */ + len = build_index(in, SPAN, &index); + if (len < 0) { + fclose(in); + switch (len) { + case Z_MEM_ERROR: + fprintf(stderr, "zran: out of memory\n"); + break; + case Z_DATA_ERROR: + fprintf(stderr, "zran: compressed data error in %s\n", argv[1]); + break; + case Z_ERRNO: + fprintf(stderr, "zran: read error on %s\n", argv[1]); + break; + default: + fprintf(stderr, "zran: error %d while building index\n", len); + } + return 1; + } + fprintf(stderr, "zran: built index with %d access points\n", len); + + /* use index by reading some bytes from an arbitrary offset */ + offset = (index->list[index->have - 1].out << 1) / 3; + len = extract(in, index, offset, buf, CHUNK); + if (len < 0) + fprintf(stderr, "zran: extraction failed: %s error\n", + len == Z_MEM_ERROR ? "out of memory" : "input corrupted"); + else { + fwrite(buf, 1, len, stdout); + fprintf(stderr, "zran: extracted %d bytes at %llu\n", len, offset); + } + + /* clean up and exit */ + free_index(index); + fclose(in); + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/gzio.c b/Build/source/libs/zlib/zlib-1.2.3/gzio.c new file mode 100644 index 00000000000..7e90f4928fc --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/gzio.c @@ -0,0 +1,1026 @@ +/* gzio.c -- IO on .gz files + * Copyright (C) 1995-2005 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + * + * Compile this file with -DNO_GZCOMPRESS to avoid the compression code. + */ + +/* @(#) $Id$ */ + +#include + +#include "zutil.h" + +#ifdef NO_DEFLATE /* for compatibility with old definition */ +# define NO_GZCOMPRESS +#endif + +#ifndef NO_DUMMY_DECL +struct internal_state {int dummy;}; /* for buggy compilers */ +#endif + +#ifndef Z_BUFSIZE +# ifdef MAXSEG_64K +# define Z_BUFSIZE 4096 /* minimize memory usage for 16-bit DOS */ +# else +# define Z_BUFSIZE 16384 +# endif +#endif +#ifndef Z_PRINTF_BUFSIZE +# define Z_PRINTF_BUFSIZE 4096 +#endif + +#ifdef __MVS__ +# pragma map (fdopen , "\174\174FDOPEN") + FILE *fdopen(int, const char *); +#endif + +#ifndef STDC +extern voidp malloc OF((uInt size)); +extern void free OF((voidpf ptr)); +#endif + +#define ALLOC(size) malloc(size) +#define TRYFREE(p) {if (p) free(p);} + +static int const gz_magic[2] = {0x1f, 0x8b}; /* gzip magic header */ + +/* gzip flag byte */ +#define ASCII_FLAG 0x01 /* bit 0 set: file probably ascii text */ +#define HEAD_CRC 0x02 /* bit 1 set: header CRC present */ +#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ +#define ORIG_NAME 0x08 /* bit 3 set: original file name present */ +#define COMMENT 0x10 /* bit 4 set: file comment present */ +#define RESERVED 0xE0 /* bits 5..7: reserved */ + +typedef struct gz_stream { + z_stream stream; + int z_err; /* error code for last stream operation */ + int z_eof; /* set if end of input file */ + FILE *file; /* .gz file */ + Byte *inbuf; /* input buffer */ + Byte *outbuf; /* output buffer */ + uLong crc; /* crc32 of uncompressed data */ + char *msg; /* error message */ + char *path; /* path name for debugging only */ + int transparent; /* 1 if input file is not a .gz file */ + char mode; /* 'w' or 'r' */ + z_off_t start; /* start of compressed data in file (header skipped) */ + z_off_t in; /* bytes into deflate or inflate */ + z_off_t out; /* bytes out of deflate or inflate */ + int back; /* one character push-back */ + int last; /* true if push-back is last character */ +} gz_stream; + + +local gzFile gz_open OF((const char *path, const char *mode, int fd)); +local int do_flush OF((gzFile file, int flush)); +local int get_byte OF((gz_stream *s)); +local void check_header OF((gz_stream *s)); +local int destroy OF((gz_stream *s)); +local void putLong OF((FILE *file, uLong x)); +local uLong getLong OF((gz_stream *s)); + +/* =========================================================================== + Opens a gzip (.gz) file for reading or writing. The mode parameter + is as in fopen ("rb" or "wb"). The file is given either by file descriptor + or path name (if fd == -1). + gz_open returns NULL if the file could not be opened or if there was + insufficient memory to allocate the (de)compression state; errno + can be checked to distinguish the two cases (if errno is zero, the + zlib error is Z_MEM_ERROR). +*/ +local gzFile gz_open (path, mode, fd) + const char *path; + const char *mode; + int fd; +{ + int err; + int level = Z_DEFAULT_COMPRESSION; /* compression level */ + int strategy = Z_DEFAULT_STRATEGY; /* compression strategy */ + char *p = (char*)mode; + gz_stream *s; + char fmode[80]; /* copy of mode, without the compression level */ + char *m = fmode; + + if (!path || !mode) return Z_NULL; + + s = (gz_stream *)ALLOC(sizeof(gz_stream)); + if (!s) return Z_NULL; + + s->stream.zalloc = (alloc_func)0; + s->stream.zfree = (free_func)0; + s->stream.opaque = (voidpf)0; + s->stream.next_in = s->inbuf = Z_NULL; + s->stream.next_out = s->outbuf = Z_NULL; + s->stream.avail_in = s->stream.avail_out = 0; + s->file = NULL; + s->z_err = Z_OK; + s->z_eof = 0; + s->in = 0; + s->out = 0; + s->back = EOF; + s->crc = crc32(0L, Z_NULL, 0); + s->msg = NULL; + s->transparent = 0; + + s->path = (char*)ALLOC(strlen(path)+1); + if (s->path == NULL) { + return destroy(s), (gzFile)Z_NULL; + } + strcpy(s->path, path); /* do this early for debugging */ + + s->mode = '\0'; + do { + if (*p == 'r') s->mode = 'r'; + if (*p == 'w' || *p == 'a') s->mode = 'w'; + if (*p >= '0' && *p <= '9') { + level = *p - '0'; + } else if (*p == 'f') { + strategy = Z_FILTERED; + } else if (*p == 'h') { + strategy = Z_HUFFMAN_ONLY; + } else if (*p == 'R') { + strategy = Z_RLE; + } else { + *m++ = *p; /* copy the mode */ + } + } while (*p++ && m != fmode + sizeof(fmode)); + if (s->mode == '\0') return destroy(s), (gzFile)Z_NULL; + + if (s->mode == 'w') { +#ifdef NO_GZCOMPRESS + err = Z_STREAM_ERROR; +#else + err = deflateInit2(&(s->stream), level, + Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, strategy); + /* windowBits is passed < 0 to suppress zlib header */ + + s->stream.next_out = s->outbuf = (Byte*)ALLOC(Z_BUFSIZE); +#endif + if (err != Z_OK || s->outbuf == Z_NULL) { + return destroy(s), (gzFile)Z_NULL; + } + } else { + s->stream.next_in = s->inbuf = (Byte*)ALLOC(Z_BUFSIZE); + + err = inflateInit2(&(s->stream), -MAX_WBITS); + /* windowBits is passed < 0 to tell that there is no zlib header. + * Note that in this case inflate *requires* an extra "dummy" byte + * after the compressed stream in order to complete decompression and + * return Z_STREAM_END. Here the gzip CRC32 ensures that 4 bytes are + * present after the compressed stream. + */ + if (err != Z_OK || s->inbuf == Z_NULL) { + return destroy(s), (gzFile)Z_NULL; + } + } + s->stream.avail_out = Z_BUFSIZE; + + errno = 0; + s->file = fd < 0 ? F_OPEN(path, fmode) : (FILE*)fdopen(fd, fmode); + + if (s->file == NULL) { + return destroy(s), (gzFile)Z_NULL; + } + if (s->mode == 'w') { + /* Write a very simple .gz header: + */ + fprintf(s->file, "%c%c%c%c%c%c%c%c%c%c", gz_magic[0], gz_magic[1], + Z_DEFLATED, 0 /*flags*/, 0,0,0,0 /*time*/, 0 /*xflags*/, OS_CODE); + s->start = 10L; + /* We use 10L instead of ftell(s->file) to because ftell causes an + * fflush on some systems. This version of the library doesn't use + * start anyway in write mode, so this initialization is not + * necessary. + */ + } else { + check_header(s); /* skip the .gz header */ + s->start = ftell(s->file) - s->stream.avail_in; + } + + return (gzFile)s; +} + +/* =========================================================================== + Opens a gzip (.gz) file for reading or writing. +*/ +gzFile ZEXPORT gzopen (path, mode) + const char *path; + const char *mode; +{ + return gz_open (path, mode, -1); +} + +/* =========================================================================== + Associate a gzFile with the file descriptor fd. fd is not dup'ed here + to mimic the behavio(u)r of fdopen. +*/ +gzFile ZEXPORT gzdopen (fd, mode) + int fd; + const char *mode; +{ + char name[46]; /* allow for up to 128-bit integers */ + + if (fd < 0) return (gzFile)Z_NULL; + sprintf(name, "", fd); /* for debugging */ + + return gz_open (name, mode, fd); +} + +/* =========================================================================== + * Update the compression level and strategy + */ +int ZEXPORT gzsetparams (file, level, strategy) + gzFile file; + int level; + int strategy; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; + + /* Make room to allow flushing */ + if (s->stream.avail_out == 0) { + + s->stream.next_out = s->outbuf; + if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) { + s->z_err = Z_ERRNO; + } + s->stream.avail_out = Z_BUFSIZE; + } + + return deflateParams (&(s->stream), level, strategy); +} + +/* =========================================================================== + Read a byte from a gz_stream; update next_in and avail_in. Return EOF + for end of file. + IN assertion: the stream s has been sucessfully opened for reading. +*/ +local int get_byte(s) + gz_stream *s; +{ + if (s->z_eof) return EOF; + if (s->stream.avail_in == 0) { + errno = 0; + s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file); + if (s->stream.avail_in == 0) { + s->z_eof = 1; + if (ferror(s->file)) s->z_err = Z_ERRNO; + return EOF; + } + s->stream.next_in = s->inbuf; + } + s->stream.avail_in--; + return *(s->stream.next_in)++; +} + +/* =========================================================================== + Check the gzip header of a gz_stream opened for reading. Set the stream + mode to transparent if the gzip magic header is not present; set s->err + to Z_DATA_ERROR if the magic header is present but the rest of the header + is incorrect. + IN assertion: the stream s has already been created sucessfully; + s->stream.avail_in is zero for the first time, but may be non-zero + for concatenated .gz files. +*/ +local void check_header(s) + gz_stream *s; +{ + int method; /* method byte */ + int flags; /* flags byte */ + uInt len; + int c; + + /* Assure two bytes in the buffer so we can peek ahead -- handle case + where first byte of header is at the end of the buffer after the last + gzip segment */ + len = s->stream.avail_in; + if (len < 2) { + if (len) s->inbuf[0] = s->stream.next_in[0]; + errno = 0; + len = (uInt)fread(s->inbuf + len, 1, Z_BUFSIZE >> len, s->file); + if (len == 0 && ferror(s->file)) s->z_err = Z_ERRNO; + s->stream.avail_in += len; + s->stream.next_in = s->inbuf; + if (s->stream.avail_in < 2) { + s->transparent = s->stream.avail_in; + return; + } + } + + /* Peek ahead to check the gzip magic header */ + if (s->stream.next_in[0] != gz_magic[0] || + s->stream.next_in[1] != gz_magic[1]) { + s->transparent = 1; + return; + } + s->stream.avail_in -= 2; + s->stream.next_in += 2; + + /* Check the rest of the gzip header */ + method = get_byte(s); + flags = get_byte(s); + if (method != Z_DEFLATED || (flags & RESERVED) != 0) { + s->z_err = Z_DATA_ERROR; + return; + } + + /* Discard time, xflags and OS code: */ + for (len = 0; len < 6; len++) (void)get_byte(s); + + if ((flags & EXTRA_FIELD) != 0) { /* skip the extra field */ + len = (uInt)get_byte(s); + len += ((uInt)get_byte(s))<<8; + /* len is garbage if EOF but the loop below will quit anyway */ + while (len-- != 0 && get_byte(s) != EOF) ; + } + if ((flags & ORIG_NAME) != 0) { /* skip the original file name */ + while ((c = get_byte(s)) != 0 && c != EOF) ; + } + if ((flags & COMMENT) != 0) { /* skip the .gz file comment */ + while ((c = get_byte(s)) != 0 && c != EOF) ; + } + if ((flags & HEAD_CRC) != 0) { /* skip the header crc */ + for (len = 0; len < 2; len++) (void)get_byte(s); + } + s->z_err = s->z_eof ? Z_DATA_ERROR : Z_OK; +} + + /* =========================================================================== + * Cleanup then free the given gz_stream. Return a zlib error code. + Try freeing in the reverse order of allocations. + */ +local int destroy (s) + gz_stream *s; +{ + int err = Z_OK; + + if (!s) return Z_STREAM_ERROR; + + TRYFREE(s->msg); + + if (s->stream.state != NULL) { + if (s->mode == 'w') { +#ifdef NO_GZCOMPRESS + err = Z_STREAM_ERROR; +#else + err = deflateEnd(&(s->stream)); +#endif + } else if (s->mode == 'r') { + err = inflateEnd(&(s->stream)); + } + } + if (s->file != NULL && fclose(s->file)) { +#ifdef ESPIPE + if (errno != ESPIPE) /* fclose is broken for pipes in HP/UX */ +#endif + err = Z_ERRNO; + } + if (s->z_err < 0) err = s->z_err; + + TRYFREE(s->inbuf); + TRYFREE(s->outbuf); + TRYFREE(s->path); + TRYFREE(s); + return err; +} + +/* =========================================================================== + Reads the given number of uncompressed bytes from the compressed file. + gzread returns the number of bytes actually read (0 for end of file). +*/ +int ZEXPORT gzread (file, buf, len) + gzFile file; + voidp buf; + unsigned len; +{ + gz_stream *s = (gz_stream*)file; + Bytef *start = (Bytef*)buf; /* starting point for crc computation */ + Byte *next_out; /* == stream.next_out but not forced far (for MSDOS) */ + + if (s == NULL || s->mode != 'r') return Z_STREAM_ERROR; + + if (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO) return -1; + if (s->z_err == Z_STREAM_END) return 0; /* EOF */ + + next_out = (Byte*)buf; + s->stream.next_out = (Bytef*)buf; + s->stream.avail_out = len; + + if (s->stream.avail_out && s->back != EOF) { + *next_out++ = s->back; + s->stream.next_out++; + s->stream.avail_out--; + s->back = EOF; + s->out++; + start++; + if (s->last) { + s->z_err = Z_STREAM_END; + return 1; + } + } + + while (s->stream.avail_out != 0) { + + if (s->transparent) { + /* Copy first the lookahead bytes: */ + uInt n = s->stream.avail_in; + if (n > s->stream.avail_out) n = s->stream.avail_out; + if (n > 0) { + zmemcpy(s->stream.next_out, s->stream.next_in, n); + next_out += n; + s->stream.next_out = next_out; + s->stream.next_in += n; + s->stream.avail_out -= n; + s->stream.avail_in -= n; + } + if (s->stream.avail_out > 0) { + s->stream.avail_out -= + (uInt)fread(next_out, 1, s->stream.avail_out, s->file); + } + len -= s->stream.avail_out; + s->in += len; + s->out += len; + if (len == 0) s->z_eof = 1; + return (int)len; + } + if (s->stream.avail_in == 0 && !s->z_eof) { + + errno = 0; + s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file); + if (s->stream.avail_in == 0) { + s->z_eof = 1; + if (ferror(s->file)) { + s->z_err = Z_ERRNO; + break; + } + } + s->stream.next_in = s->inbuf; + } + s->in += s->stream.avail_in; + s->out += s->stream.avail_out; + s->z_err = inflate(&(s->stream), Z_NO_FLUSH); + s->in -= s->stream.avail_in; + s->out -= s->stream.avail_out; + + if (s->z_err == Z_STREAM_END) { + /* Check CRC and original size */ + s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start)); + start = s->stream.next_out; + + if (getLong(s) != s->crc) { + s->z_err = Z_DATA_ERROR; + } else { + (void)getLong(s); + /* The uncompressed length returned by above getlong() may be + * different from s->out in case of concatenated .gz files. + * Check for such files: + */ + check_header(s); + if (s->z_err == Z_OK) { + inflateReset(&(s->stream)); + s->crc = crc32(0L, Z_NULL, 0); + } + } + } + if (s->z_err != Z_OK || s->z_eof) break; + } + s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start)); + + if (len == s->stream.avail_out && + (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO)) + return -1; + return (int)(len - s->stream.avail_out); +} + + +/* =========================================================================== + Reads one byte from the compressed file. gzgetc returns this byte + or -1 in case of end of file or error. +*/ +int ZEXPORT gzgetc(file) + gzFile file; +{ + unsigned char c; + + return gzread(file, &c, 1) == 1 ? c : -1; +} + + +/* =========================================================================== + Push one byte back onto the stream. +*/ +int ZEXPORT gzungetc(c, file) + int c; + gzFile file; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL || s->mode != 'r' || c == EOF || s->back != EOF) return EOF; + s->back = c; + s->out--; + s->last = (s->z_err == Z_STREAM_END); + if (s->last) s->z_err = Z_OK; + s->z_eof = 0; + return c; +} + + +/* =========================================================================== + Reads bytes from the compressed file until len-1 characters are + read, or a newline character is read and transferred to buf, or an + end-of-file condition is encountered. The string is then terminated + with a null character. + gzgets returns buf, or Z_NULL in case of error. + + The current implementation is not optimized at all. +*/ +char * ZEXPORT gzgets(file, buf, len) + gzFile file; + char *buf; + int len; +{ + char *b = buf; + if (buf == Z_NULL || len <= 0) return Z_NULL; + + while (--len > 0 && gzread(file, buf, 1) == 1 && *buf++ != '\n') ; + *buf = '\0'; + return b == buf && len > 0 ? Z_NULL : b; +} + + +#ifndef NO_GZCOMPRESS +/* =========================================================================== + Writes the given number of uncompressed bytes into the compressed file. + gzwrite returns the number of bytes actually written (0 in case of error). +*/ +int ZEXPORT gzwrite (file, buf, len) + gzFile file; + voidpc buf; + unsigned len; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; + + s->stream.next_in = (Bytef*)buf; + s->stream.avail_in = len; + + while (s->stream.avail_in != 0) { + + if (s->stream.avail_out == 0) { + + s->stream.next_out = s->outbuf; + if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) { + s->z_err = Z_ERRNO; + break; + } + s->stream.avail_out = Z_BUFSIZE; + } + s->in += s->stream.avail_in; + s->out += s->stream.avail_out; + s->z_err = deflate(&(s->stream), Z_NO_FLUSH); + s->in -= s->stream.avail_in; + s->out -= s->stream.avail_out; + if (s->z_err != Z_OK) break; + } + s->crc = crc32(s->crc, (const Bytef *)buf, len); + + return (int)(len - s->stream.avail_in); +} + + +/* =========================================================================== + Converts, formats, and writes the args to the compressed file under + control of the format string, as in fprintf. gzprintf returns the number of + uncompressed bytes actually written (0 in case of error). +*/ +#ifdef STDC +#include + +int ZEXPORTVA gzprintf (gzFile file, const char *format, /* args */ ...) +{ + char buf[Z_PRINTF_BUFSIZE]; + va_list va; + int len; + + buf[sizeof(buf) - 1] = 0; + va_start(va, format); +#ifdef NO_vsnprintf +# ifdef HAS_vsprintf_void + (void)vsprintf(buf, format, va); + va_end(va); + for (len = 0; len < sizeof(buf); len++) + if (buf[len] == 0) break; +# else + len = vsprintf(buf, format, va); + va_end(va); +# endif +#else +# ifdef HAS_vsnprintf_void + (void)vsnprintf(buf, sizeof(buf), format, va); + va_end(va); + len = strlen(buf); +# else + len = vsnprintf(buf, sizeof(buf), format, va); + va_end(va); +# endif +#endif + if (len <= 0 || len >= (int)sizeof(buf) || buf[sizeof(buf) - 1] != 0) + return 0; + return gzwrite(file, buf, (unsigned)len); +} +#else /* not ANSI C */ + +int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, + a11, a12, a13, a14, a15, a16, a17, a18, a19, a20) + gzFile file; + const char *format; + int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, + a11, a12, a13, a14, a15, a16, a17, a18, a19, a20; +{ + char buf[Z_PRINTF_BUFSIZE]; + int len; + + buf[sizeof(buf) - 1] = 0; +#ifdef NO_snprintf +# ifdef HAS_sprintf_void + sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8, + a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); + for (len = 0; len < sizeof(buf); len++) + if (buf[len] == 0) break; +# else + len = sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8, + a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); +# endif +#else +# ifdef HAS_snprintf_void + snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8, + a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); + len = strlen(buf); +# else + len = snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8, + a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); +# endif +#endif + if (len <= 0 || len >= sizeof(buf) || buf[sizeof(buf) - 1] != 0) + return 0; + return gzwrite(file, buf, len); +} +#endif + +/* =========================================================================== + Writes c, converted to an unsigned char, into the compressed file. + gzputc returns the value that was written, or -1 in case of error. +*/ +int ZEXPORT gzputc(file, c) + gzFile file; + int c; +{ + unsigned char cc = (unsigned char) c; /* required for big endian systems */ + + return gzwrite(file, &cc, 1) == 1 ? (int)cc : -1; +} + + +/* =========================================================================== + Writes the given null-terminated string to the compressed file, excluding + the terminating null character. + gzputs returns the number of characters written, or -1 in case of error. +*/ +int ZEXPORT gzputs(file, s) + gzFile file; + const char *s; +{ + return gzwrite(file, (char*)s, (unsigned)strlen(s)); +} + + +/* =========================================================================== + Flushes all pending output into the compressed file. The parameter + flush is as in the deflate() function. +*/ +local int do_flush (file, flush) + gzFile file; + int flush; +{ + uInt len; + int done = 0; + gz_stream *s = (gz_stream*)file; + + if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; + + s->stream.avail_in = 0; /* should be zero already anyway */ + + for (;;) { + len = Z_BUFSIZE - s->stream.avail_out; + + if (len != 0) { + if ((uInt)fwrite(s->outbuf, 1, len, s->file) != len) { + s->z_err = Z_ERRNO; + return Z_ERRNO; + } + s->stream.next_out = s->outbuf; + s->stream.avail_out = Z_BUFSIZE; + } + if (done) break; + s->out += s->stream.avail_out; + s->z_err = deflate(&(s->stream), flush); + s->out -= s->stream.avail_out; + + /* Ignore the second of two consecutive flushes: */ + if (len == 0 && s->z_err == Z_BUF_ERROR) s->z_err = Z_OK; + + /* deflate has finished flushing only when it hasn't used up + * all the available space in the output buffer: + */ + done = (s->stream.avail_out != 0 || s->z_err == Z_STREAM_END); + + if (s->z_err != Z_OK && s->z_err != Z_STREAM_END) break; + } + return s->z_err == Z_STREAM_END ? Z_OK : s->z_err; +} + +int ZEXPORT gzflush (file, flush) + gzFile file; + int flush; +{ + gz_stream *s = (gz_stream*)file; + int err = do_flush (file, flush); + + if (err) return err; + fflush(s->file); + return s->z_err == Z_STREAM_END ? Z_OK : s->z_err; +} +#endif /* NO_GZCOMPRESS */ + +/* =========================================================================== + Sets the starting position for the next gzread or gzwrite on the given + compressed file. The offset represents a number of bytes in the + gzseek returns the resulting offset location as measured in bytes from + the beginning of the uncompressed stream, or -1 in case of error. + SEEK_END is not implemented, returns error. + In this version of the library, gzseek can be extremely slow. +*/ +z_off_t ZEXPORT gzseek (file, offset, whence) + gzFile file; + z_off_t offset; + int whence; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL || whence == SEEK_END || + s->z_err == Z_ERRNO || s->z_err == Z_DATA_ERROR) { + return -1L; + } + + if (s->mode == 'w') { +#ifdef NO_GZCOMPRESS + return -1L; +#else + if (whence == SEEK_SET) { + offset -= s->in; + } + if (offset < 0) return -1L; + + /* At this point, offset is the number of zero bytes to write. */ + if (s->inbuf == Z_NULL) { + s->inbuf = (Byte*)ALLOC(Z_BUFSIZE); /* for seeking */ + if (s->inbuf == Z_NULL) return -1L; + zmemzero(s->inbuf, Z_BUFSIZE); + } + while (offset > 0) { + uInt size = Z_BUFSIZE; + if (offset < Z_BUFSIZE) size = (uInt)offset; + + size = gzwrite(file, s->inbuf, size); + if (size == 0) return -1L; + + offset -= size; + } + return s->in; +#endif + } + /* Rest of function is for reading only */ + + /* compute absolute position */ + if (whence == SEEK_CUR) { + offset += s->out; + } + if (offset < 0) return -1L; + + if (s->transparent) { + /* map to fseek */ + s->back = EOF; + s->stream.avail_in = 0; + s->stream.next_in = s->inbuf; + if (fseek(s->file, offset, SEEK_SET) < 0) return -1L; + + s->in = s->out = offset; + return offset; + } + + /* For a negative seek, rewind and use positive seek */ + if (offset >= s->out) { + offset -= s->out; + } else if (gzrewind(file) < 0) { + return -1L; + } + /* offset is now the number of bytes to skip. */ + + if (offset != 0 && s->outbuf == Z_NULL) { + s->outbuf = (Byte*)ALLOC(Z_BUFSIZE); + if (s->outbuf == Z_NULL) return -1L; + } + if (offset && s->back != EOF) { + s->back = EOF; + s->out++; + offset--; + if (s->last) s->z_err = Z_STREAM_END; + } + while (offset > 0) { + int size = Z_BUFSIZE; + if (offset < Z_BUFSIZE) size = (int)offset; + + size = gzread(file, s->outbuf, (uInt)size); + if (size <= 0) return -1L; + offset -= size; + } + return s->out; +} + +/* =========================================================================== + Rewinds input file. +*/ +int ZEXPORT gzrewind (file) + gzFile file; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL || s->mode != 'r') return -1; + + s->z_err = Z_OK; + s->z_eof = 0; + s->back = EOF; + s->stream.avail_in = 0; + s->stream.next_in = s->inbuf; + s->crc = crc32(0L, Z_NULL, 0); + if (!s->transparent) (void)inflateReset(&s->stream); + s->in = 0; + s->out = 0; + return fseek(s->file, s->start, SEEK_SET); +} + +/* =========================================================================== + Returns the starting position for the next gzread or gzwrite on the + given compressed file. This position represents a number of bytes in the + uncompressed data stream. +*/ +z_off_t ZEXPORT gztell (file) + gzFile file; +{ + return gzseek(file, 0L, SEEK_CUR); +} + +/* =========================================================================== + Returns 1 when EOF has previously been detected reading the given + input stream, otherwise zero. +*/ +int ZEXPORT gzeof (file) + gzFile file; +{ + gz_stream *s = (gz_stream*)file; + + /* With concatenated compressed files that can have embedded + * crc trailers, z_eof is no longer the only/best indicator of EOF + * on a gz_stream. Handle end-of-stream error explicitly here. + */ + if (s == NULL || s->mode != 'r') return 0; + if (s->z_eof) return 1; + return s->z_err == Z_STREAM_END; +} + +/* =========================================================================== + Returns 1 if reading and doing so transparently, otherwise zero. +*/ +int ZEXPORT gzdirect (file) + gzFile file; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL || s->mode != 'r') return 0; + return s->transparent; +} + +/* =========================================================================== + Outputs a long in LSB order to the given file +*/ +local void putLong (file, x) + FILE *file; + uLong x; +{ + int n; + for (n = 0; n < 4; n++) { + fputc((int)(x & 0xff), file); + x >>= 8; + } +} + +/* =========================================================================== + Reads a long in LSB order from the given gz_stream. Sets z_err in case + of error. +*/ +local uLong getLong (s) + gz_stream *s; +{ + uLong x = (uLong)get_byte(s); + int c; + + x += ((uLong)get_byte(s))<<8; + x += ((uLong)get_byte(s))<<16; + c = get_byte(s); + if (c == EOF) s->z_err = Z_DATA_ERROR; + x += ((uLong)c)<<24; + return x; +} + +/* =========================================================================== + Flushes all pending output if necessary, closes the compressed file + and deallocates all the (de)compression state. +*/ +int ZEXPORT gzclose (file) + gzFile file; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL) return Z_STREAM_ERROR; + + if (s->mode == 'w') { +#ifdef NO_GZCOMPRESS + return Z_STREAM_ERROR; +#else + if (do_flush (file, Z_FINISH) != Z_OK) + return destroy((gz_stream*)file); + + putLong (s->file, s->crc); + putLong (s->file, (uLong)(s->in & 0xffffffff)); +#endif + } + return destroy((gz_stream*)file); +} + +#ifdef STDC +# define zstrerror(errnum) strerror(errnum) +#else +# define zstrerror(errnum) "" +#endif + +/* =========================================================================== + Returns the error message for the last error which occurred on the + given compressed file. errnum is set to zlib error number. If an + error occurred in the file system and not in the compression library, + errnum is set to Z_ERRNO and the application may consult errno + to get the exact error code. +*/ +const char * ZEXPORT gzerror (file, errnum) + gzFile file; + int *errnum; +{ + char *m; + gz_stream *s = (gz_stream*)file; + + if (s == NULL) { + *errnum = Z_STREAM_ERROR; + return (const char*)ERR_MSG(Z_STREAM_ERROR); + } + *errnum = s->z_err; + if (*errnum == Z_OK) return (const char*)""; + + m = (char*)(*errnum == Z_ERRNO ? zstrerror(errno) : s->stream.msg); + + if (m == NULL || *m == '\0') m = (char*)ERR_MSG(s->z_err); + + TRYFREE(s->msg); + s->msg = (char*)ALLOC(strlen(s->path) + strlen(m) + 3); + if (s->msg == Z_NULL) return (const char*)ERR_MSG(Z_MEM_ERROR); + strcpy(s->msg, s->path); + strcat(s->msg, ": "); + strcat(s->msg, m); + return (const char*)s->msg; +} + +/* =========================================================================== + Clear the error and end-of-file flags, and do the same for the real file. +*/ +void ZEXPORT gzclearerr (file) + gzFile file; +{ + gz_stream *s = (gz_stream*)file; + + if (s == NULL) return; + if (s->z_err != Z_STREAM_END) s->z_err = Z_OK; + s->z_eof = 0; + clearerr(s->file); +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/infback.c b/Build/source/libs/zlib/zlib-1.2.3/infback.c new file mode 100644 index 00000000000..455dbc9ee84 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/infback.c @@ -0,0 +1,623 @@ +/* infback.c -- inflate using a call-back interface + * Copyright (C) 1995-2005 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + This code is largely copied from inflate.c. Normally either infback.o or + inflate.o would be linked into an application--not both. The interface + with inffast.c is retained so that optimized assembler-coded versions of + inflate_fast() can be used with either inflate.c or infback.c. + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +/* function prototypes */ +local void fixedtables OF((struct inflate_state FAR *state)); + +/* + strm provides memory allocation functions in zalloc and zfree, or + Z_NULL to use the library memory allocation functions. + + windowBits is in the range 8..15, and window is a user-supplied + window and output buffer that is 2**windowBits bytes. + */ +int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size) +z_streamp strm; +int windowBits; +unsigned char FAR *window; +const char *version; +int stream_size; +{ + struct inflate_state FAR *state; + + if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || + stream_size != (int)(sizeof(z_stream))) + return Z_VERSION_ERROR; + if (strm == Z_NULL || window == Z_NULL || + windowBits < 8 || windowBits > 15) + return Z_STREAM_ERROR; + strm->msg = Z_NULL; /* in case we return an error */ + if (strm->zalloc == (alloc_func)0) { + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; + } + if (strm->zfree == (free_func)0) strm->zfree = zcfree; + state = (struct inflate_state FAR *)ZALLOC(strm, 1, + sizeof(struct inflate_state)); + if (state == Z_NULL) return Z_MEM_ERROR; + Tracev((stderr, "inflate: allocated\n")); + strm->state = (struct internal_state FAR *)state; + state->dmax = 32768U; + state->wbits = windowBits; + state->wsize = 1U << windowBits; + state->window = window; + state->write = 0; + state->whave = 0; + return Z_OK; +} + +/* + Return state with length and distance decoding tables and index sizes set to + fixed code decoding. Normally this returns fixed tables from inffixed.h. + If BUILDFIXED is defined, then instead this routine builds the tables the + first time it's called, and returns those tables the first time and + thereafter. This reduces the size of the code by about 2K bytes, in + exchange for a little execution time. However, BUILDFIXED should not be + used for threaded applications, since the rewriting of the tables and virgin + may not be thread-safe. + */ +local void fixedtables(state) +struct inflate_state FAR *state; +{ +#ifdef BUILDFIXED + static int virgin = 1; + static code *lenfix, *distfix; + static code fixed[544]; + + /* build fixed huffman tables if first call (may not be thread safe) */ + if (virgin) { + unsigned sym, bits; + static code *next; + + /* literal/length table */ + sym = 0; + while (sym < 144) state->lens[sym++] = 8; + while (sym < 256) state->lens[sym++] = 9; + while (sym < 280) state->lens[sym++] = 7; + while (sym < 288) state->lens[sym++] = 8; + next = fixed; + lenfix = next; + bits = 9; + inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); + + /* distance table */ + sym = 0; + while (sym < 32) state->lens[sym++] = 5; + distfix = next; + bits = 5; + inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); + + /* do this just once */ + virgin = 0; + } +#else /* !BUILDFIXED */ +# include "inffixed.h" +#endif /* BUILDFIXED */ + state->lencode = lenfix; + state->lenbits = 9; + state->distcode = distfix; + state->distbits = 5; +} + +/* Macros for inflateBack(): */ + +/* Load returned state from inflate_fast() */ +#define LOAD() \ + do { \ + put = strm->next_out; \ + left = strm->avail_out; \ + next = strm->next_in; \ + have = strm->avail_in; \ + hold = state->hold; \ + bits = state->bits; \ + } while (0) + +/* Set state from registers for inflate_fast() */ +#define RESTORE() \ + do { \ + strm->next_out = put; \ + strm->avail_out = left; \ + strm->next_in = next; \ + strm->avail_in = have; \ + state->hold = hold; \ + state->bits = bits; \ + } while (0) + +/* Clear the input bit accumulator */ +#define INITBITS() \ + do { \ + hold = 0; \ + bits = 0; \ + } while (0) + +/* Assure that some input is available. If input is requested, but denied, + then return a Z_BUF_ERROR from inflateBack(). */ +#define PULL() \ + do { \ + if (have == 0) { \ + have = in(in_desc, &next); \ + if (have == 0) { \ + next = Z_NULL; \ + ret = Z_BUF_ERROR; \ + goto inf_leave; \ + } \ + } \ + } while (0) + +/* Get a byte of input into the bit accumulator, or return from inflateBack() + with an error if there is no input available. */ +#define PULLBYTE() \ + do { \ + PULL(); \ + have--; \ + hold += (unsigned long)(*next++) << bits; \ + bits += 8; \ + } while (0) + +/* Assure that there are at least n bits in the bit accumulator. If there is + not enough available input to do that, then return from inflateBack() with + an error. */ +#define NEEDBITS(n) \ + do { \ + while (bits < (unsigned)(n)) \ + PULLBYTE(); \ + } while (0) + +/* Return the low n bits of the bit accumulator (n < 16) */ +#define BITS(n) \ + ((unsigned)hold & ((1U << (n)) - 1)) + +/* Remove n bits from the bit accumulator */ +#define DROPBITS(n) \ + do { \ + hold >>= (n); \ + bits -= (unsigned)(n); \ + } while (0) + +/* Remove zero to seven bits as needed to go to a byte boundary */ +#define BYTEBITS() \ + do { \ + hold >>= bits & 7; \ + bits -= bits & 7; \ + } while (0) + +/* Assure that some output space is available, by writing out the window + if it's full. If the write fails, return from inflateBack() with a + Z_BUF_ERROR. */ +#define ROOM() \ + do { \ + if (left == 0) { \ + put = state->window; \ + left = state->wsize; \ + state->whave = left; \ + if (out(out_desc, put, left)) { \ + ret = Z_BUF_ERROR; \ + goto inf_leave; \ + } \ + } \ + } while (0) + +/* + strm provides the memory allocation functions and window buffer on input, + and provides information on the unused input on return. For Z_DATA_ERROR + returns, strm will also provide an error message. + + in() and out() are the call-back input and output functions. When + inflateBack() needs more input, it calls in(). When inflateBack() has + filled the window with output, or when it completes with data in the + window, it calls out() to write out the data. The application must not + change the provided input until in() is called again or inflateBack() + returns. The application must not change the window/output buffer until + inflateBack() returns. + + in() and out() are called with a descriptor parameter provided in the + inflateBack() call. This parameter can be a structure that provides the + information required to do the read or write, as well as accumulated + information on the input and output such as totals and check values. + + in() should return zero on failure. out() should return non-zero on + failure. If either in() or out() fails, than inflateBack() returns a + Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it + was in() or out() that caused in the error. Otherwise, inflateBack() + returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format + error, or Z_MEM_ERROR if it could not allocate memory for the state. + inflateBack() can also return Z_STREAM_ERROR if the input parameters + are not correct, i.e. strm is Z_NULL or the state was not initialized. + */ +int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc) +z_streamp strm; +in_func in; +void FAR *in_desc; +out_func out; +void FAR *out_desc; +{ + struct inflate_state FAR *state; + unsigned char FAR *next; /* next input */ + unsigned char FAR *put; /* next output */ + unsigned have, left; /* available input and output */ + unsigned long hold; /* bit buffer */ + unsigned bits; /* bits in bit buffer */ + unsigned copy; /* number of stored or match bytes to copy */ + unsigned char FAR *from; /* where to copy match bytes from */ + code this; /* current decoding table entry */ + code last; /* parent table entry */ + unsigned len; /* length to copy for repeats, bits to drop */ + int ret; /* return code */ + static const unsigned short order[19] = /* permutation of code lengths */ + {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; + + /* Check that the strm exists and that the state was initialized */ + if (strm == Z_NULL || strm->state == Z_NULL) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + + /* Reset the state */ + strm->msg = Z_NULL; + state->mode = TYPE; + state->last = 0; + state->whave = 0; + next = strm->next_in; + have = next != Z_NULL ? strm->avail_in : 0; + hold = 0; + bits = 0; + put = state->window; + left = state->wsize; + + /* Inflate until end of block marked as last */ + for (;;) + switch (state->mode) { + case TYPE: + /* determine and dispatch block type */ + if (state->last) { + BYTEBITS(); + state->mode = DONE; + break; + } + NEEDBITS(3); + state->last = BITS(1); + DROPBITS(1); + switch (BITS(2)) { + case 0: /* stored block */ + Tracev((stderr, "inflate: stored block%s\n", + state->last ? " (last)" : "")); + state->mode = STORED; + break; + case 1: /* fixed block */ + fixedtables(state); + Tracev((stderr, "inflate: fixed codes block%s\n", + state->last ? " (last)" : "")); + state->mode = LEN; /* decode codes */ + break; + case 2: /* dynamic block */ + Tracev((stderr, "inflate: dynamic codes block%s\n", + state->last ? " (last)" : "")); + state->mode = TABLE; + break; + case 3: + strm->msg = (char *)"invalid block type"; + state->mode = BAD; + } + DROPBITS(2); + break; + + case STORED: + /* get and verify stored block length */ + BYTEBITS(); /* go to byte boundary */ + NEEDBITS(32); + if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { + strm->msg = (char *)"invalid stored block lengths"; + state->mode = BAD; + break; + } + state->length = (unsigned)hold & 0xffff; + Tracev((stderr, "inflate: stored length %u\n", + state->length)); + INITBITS(); + + /* copy stored block from input to output */ + while (state->length != 0) { + copy = state->length; + PULL(); + ROOM(); + if (copy > have) copy = have; + if (copy > left) copy = left; + zmemcpy(put, next, copy); + have -= copy; + next += copy; + left -= copy; + put += copy; + state->length -= copy; + } + Tracev((stderr, "inflate: stored end\n")); + state->mode = TYPE; + break; + + case TABLE: + /* get dynamic table entries descriptor */ + NEEDBITS(14); + state->nlen = BITS(5) + 257; + DROPBITS(5); + state->ndist = BITS(5) + 1; + DROPBITS(5); + state->ncode = BITS(4) + 4; + DROPBITS(4); +#ifndef PKZIP_BUG_WORKAROUND + if (state->nlen > 286 || state->ndist > 30) { + strm->msg = (char *)"too many length or distance symbols"; + state->mode = BAD; + break; + } +#endif + Tracev((stderr, "inflate: table sizes ok\n")); + + /* get code length code lengths (not a typo) */ + state->have = 0; + while (state->have < state->ncode) { + NEEDBITS(3); + state->lens[order[state->have++]] = (unsigned short)BITS(3); + DROPBITS(3); + } + while (state->have < 19) + state->lens[order[state->have++]] = 0; + state->next = state->codes; + state->lencode = (code const FAR *)(state->next); + state->lenbits = 7; + ret = inflate_table(CODES, state->lens, 19, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid code lengths set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: code lengths ok\n")); + + /* get length and distance code code lengths */ + state->have = 0; + while (state->have < state->nlen + state->ndist) { + for (;;) { + this = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(this.bits) <= bits) break; + PULLBYTE(); + } + if (this.val < 16) { + NEEDBITS(this.bits); + DROPBITS(this.bits); + state->lens[state->have++] = this.val; + } + else { + if (this.val == 16) { + NEEDBITS(this.bits + 2); + DROPBITS(this.bits); + if (state->have == 0) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + len = (unsigned)(state->lens[state->have - 1]); + copy = 3 + BITS(2); + DROPBITS(2); + } + else if (this.val == 17) { + NEEDBITS(this.bits + 3); + DROPBITS(this.bits); + len = 0; + copy = 3 + BITS(3); + DROPBITS(3); + } + else { + NEEDBITS(this.bits + 7); + DROPBITS(this.bits); + len = 0; + copy = 11 + BITS(7); + DROPBITS(7); + } + if (state->have + copy > state->nlen + state->ndist) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + while (copy--) + state->lens[state->have++] = (unsigned short)len; + } + } + + /* handle error breaks in while */ + if (state->mode == BAD) break; + + /* build code tables */ + state->next = state->codes; + state->lencode = (code const FAR *)(state->next); + state->lenbits = 9; + ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid literal/lengths set"; + state->mode = BAD; + break; + } + state->distcode = (code const FAR *)(state->next); + state->distbits = 6; + ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, + &(state->next), &(state->distbits), state->work); + if (ret) { + strm->msg = (char *)"invalid distances set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: codes ok\n")); + state->mode = LEN; + + case LEN: + /* use inflate_fast() if we have enough input and output */ + if (have >= 6 && left >= 258) { + RESTORE(); + if (state->whave < state->wsize) + state->whave = state->wsize - left; + inflate_fast(strm, state->wsize); + LOAD(); + break; + } + + /* get a literal, length, or end-of-block code */ + for (;;) { + this = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(this.bits) <= bits) break; + PULLBYTE(); + } + if (this.op && (this.op & 0xf0) == 0) { + last = this; + for (;;) { + this = state->lencode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + this.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(this.bits); + state->length = (unsigned)this.val; + + /* process literal */ + if (this.op == 0) { + Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", this.val)); + ROOM(); + *put++ = (unsigned char)(state->length); + left--; + state->mode = LEN; + break; + } + + /* process end of block */ + if (this.op & 32) { + Tracevv((stderr, "inflate: end of block\n")); + state->mode = TYPE; + break; + } + + /* invalid code */ + if (this.op & 64) { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + + /* length code -- get extra bits, if any */ + state->extra = (unsigned)(this.op) & 15; + if (state->extra != 0) { + NEEDBITS(state->extra); + state->length += BITS(state->extra); + DROPBITS(state->extra); + } + Tracevv((stderr, "inflate: length %u\n", state->length)); + + /* get distance code */ + for (;;) { + this = state->distcode[BITS(state->distbits)]; + if ((unsigned)(this.bits) <= bits) break; + PULLBYTE(); + } + if ((this.op & 0xf0) == 0) { + last = this; + for (;;) { + this = state->distcode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + this.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(this.bits); + if (this.op & 64) { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + state->offset = (unsigned)this.val; + + /* get distance extra bits, if any */ + state->extra = (unsigned)(this.op) & 15; + if (state->extra != 0) { + NEEDBITS(state->extra); + state->offset += BITS(state->extra); + DROPBITS(state->extra); + } + if (state->offset > state->wsize - (state->whave < state->wsize ? + left : 0)) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } + Tracevv((stderr, "inflate: distance %u\n", state->offset)); + + /* copy match from window to output */ + do { + ROOM(); + copy = state->wsize - state->offset; + if (copy < left) { + from = put + copy; + copy = left - copy; + } + else { + from = put - state->offset; + copy = left; + } + if (copy > state->length) copy = state->length; + state->length -= copy; + left -= copy; + do { + *put++ = *from++; + } while (--copy); + } while (state->length != 0); + break; + + case DONE: + /* inflate stream terminated properly -- write leftover output */ + ret = Z_STREAM_END; + if (left < state->wsize) { + if (out(out_desc, state->window, state->wsize - left)) + ret = Z_BUF_ERROR; + } + goto inf_leave; + + case BAD: + ret = Z_DATA_ERROR; + goto inf_leave; + + default: /* can't happen, but makes compilers happy */ + ret = Z_STREAM_ERROR; + goto inf_leave; + } + + /* Return unused input */ + inf_leave: + strm->next_in = next; + strm->avail_in = have; + return ret; +} + +int ZEXPORT inflateBackEnd(strm) +z_streamp strm; +{ + if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) + return Z_STREAM_ERROR; + ZFREE(strm, strm->state); + strm->state = Z_NULL; + Tracev((stderr, "inflate: end\n")); + return Z_OK; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/inffast.c b/Build/source/libs/zlib/zlib-1.2.3/inffast.c new file mode 100644 index 00000000000..bbee92ed1e6 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/inffast.c @@ -0,0 +1,318 @@ +/* inffast.c -- fast decoding + * Copyright (C) 1995-2004 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +#ifndef ASMINF + +/* Allow machine dependent optimization for post-increment or pre-increment. + Based on testing to date, + Pre-increment preferred for: + - PowerPC G3 (Adler) + - MIPS R5000 (Randers-Pehrson) + Post-increment preferred for: + - none + No measurable difference: + - Pentium III (Anderson) + - M68060 (Nikl) + */ +#ifdef POSTINC +# define OFF 0 +# define PUP(a) *(a)++ +#else +# define OFF 1 +# define PUP(a) *++(a) +#endif + +/* + Decode literal, length, and distance codes and write out the resulting + literal and match bytes until either not enough input or output is + available, an end-of-block is encountered, or a data error is encountered. + When large enough input and output buffers are supplied to inflate(), for + example, a 16K input buffer and a 64K output buffer, more than 95% of the + inflate execution time is spent in this routine. + + Entry assumptions: + + state->mode == LEN + strm->avail_in >= 6 + strm->avail_out >= 258 + start >= strm->avail_out + state->bits < 8 + + On return, state->mode is one of: + + LEN -- ran out of enough output space or enough available input + TYPE -- reached end of block code, inflate() to interpret next block + BAD -- error in block data + + Notes: + + - The maximum input bits used by a length/distance pair is 15 bits for the + length code, 5 bits for the length extra, 15 bits for the distance code, + and 13 bits for the distance extra. This totals 48 bits, or six bytes. + Therefore if strm->avail_in >= 6, then there is enough input to avoid + checking for available input while decoding. + + - The maximum bytes that a single length/distance pair can output is 258 + bytes, which is the maximum length that can be coded. inflate_fast() + requires strm->avail_out >= 258 for each loop to avoid checking for + output space. + */ +void inflate_fast(strm, start) +z_streamp strm; +unsigned start; /* inflate()'s starting value for strm->avail_out */ +{ + struct inflate_state FAR *state; + unsigned char FAR *in; /* local strm->next_in */ + unsigned char FAR *last; /* while in < last, enough input available */ + unsigned char FAR *out; /* local strm->next_out */ + unsigned char FAR *beg; /* inflate()'s initial strm->next_out */ + unsigned char FAR *end; /* while out < end, enough space available */ +#ifdef INFLATE_STRICT + unsigned dmax; /* maximum distance from zlib header */ +#endif + unsigned wsize; /* window size or zero if not using window */ + unsigned whave; /* valid bytes in the window */ + unsigned write; /* window write index */ + unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */ + unsigned long hold; /* local strm->hold */ + unsigned bits; /* local strm->bits */ + code const FAR *lcode; /* local strm->lencode */ + code const FAR *dcode; /* local strm->distcode */ + unsigned lmask; /* mask for first level of length codes */ + unsigned dmask; /* mask for first level of distance codes */ + code this; /* retrieved table entry */ + unsigned op; /* code bits, operation, extra bits, or */ + /* window position, window bytes to copy */ + unsigned len; /* match length, unused bytes */ + unsigned dist; /* match distance */ + unsigned char FAR *from; /* where to copy match from */ + + /* copy state to local variables */ + state = (struct inflate_state FAR *)strm->state; + in = strm->next_in - OFF; + last = in + (strm->avail_in - 5); + out = strm->next_out - OFF; + beg = out - (start - strm->avail_out); + end = out + (strm->avail_out - 257); +#ifdef INFLATE_STRICT + dmax = state->dmax; +#endif + wsize = state->wsize; + whave = state->whave; + write = state->write; + window = state->window; + hold = state->hold; + bits = state->bits; + lcode = state->lencode; + dcode = state->distcode; + lmask = (1U << state->lenbits) - 1; + dmask = (1U << state->distbits) - 1; + + /* decode literals and length/distances until end-of-block or not enough + input data or output space */ + do { + if (bits < 15) { + hold += (unsigned long)(PUP(in)) << bits; + bits += 8; + hold += (unsigned long)(PUP(in)) << bits; + bits += 8; + } + this = lcode[hold & lmask]; + dolen: + op = (unsigned)(this.bits); + hold >>= op; + bits -= op; + op = (unsigned)(this.op); + if (op == 0) { /* literal */ + Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", this.val)); + PUP(out) = (unsigned char)(this.val); + } + else if (op & 16) { /* length base */ + len = (unsigned)(this.val); + op &= 15; /* number of extra bits */ + if (op) { + if (bits < op) { + hold += (unsigned long)(PUP(in)) << bits; + bits += 8; + } + len += (unsigned)hold & ((1U << op) - 1); + hold >>= op; + bits -= op; + } + Tracevv((stderr, "inflate: length %u\n", len)); + if (bits < 15) { + hold += (unsigned long)(PUP(in)) << bits; + bits += 8; + hold += (unsigned long)(PUP(in)) << bits; + bits += 8; + } + this = dcode[hold & dmask]; + dodist: + op = (unsigned)(this.bits); + hold >>= op; + bits -= op; + op = (unsigned)(this.op); + if (op & 16) { /* distance base */ + dist = (unsigned)(this.val); + op &= 15; /* number of extra bits */ + if (bits < op) { + hold += (unsigned long)(PUP(in)) << bits; + bits += 8; + if (bits < op) { + hold += (unsigned long)(PUP(in)) << bits; + bits += 8; + } + } + dist += (unsigned)hold & ((1U << op) - 1); +#ifdef INFLATE_STRICT + if (dist > dmax) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#endif + hold >>= op; + bits -= op; + Tracevv((stderr, "inflate: distance %u\n", dist)); + op = (unsigned)(out - beg); /* max distance in output */ + if (dist > op) { /* see if copy from window */ + op = dist - op; /* distance back in window */ + if (op > whave) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } + from = window - OFF; + if (write == 0) { /* very common case */ + from += wsize - op; + if (op < len) { /* some from window */ + len -= op; + do { + PUP(out) = PUP(from); + } while (--op); + from = out - dist; /* rest from output */ + } + } + else if (write < op) { /* wrap around window */ + from += wsize + write - op; + op -= write; + if (op < len) { /* some from end of window */ + len -= op; + do { + PUP(out) = PUP(from); + } while (--op); + from = window - OFF; + if (write < len) { /* some from start of window */ + op = write; + len -= op; + do { + PUP(out) = PUP(from); + } while (--op); + from = out - dist; /* rest from output */ + } + } + } + else { /* contiguous in window */ + from += write - op; + if (op < len) { /* some from window */ + len -= op; + do { + PUP(out) = PUP(from); + } while (--op); + from = out - dist; /* rest from output */ + } + } + while (len > 2) { + PUP(out) = PUP(from); + PUP(out) = PUP(from); + PUP(out) = PUP(from); + len -= 3; + } + if (len) { + PUP(out) = PUP(from); + if (len > 1) + PUP(out) = PUP(from); + } + } + else { + from = out - dist; /* copy direct from output */ + do { /* minimum length is three */ + PUP(out) = PUP(from); + PUP(out) = PUP(from); + PUP(out) = PUP(from); + len -= 3; + } while (len > 2); + if (len) { + PUP(out) = PUP(from); + if (len > 1) + PUP(out) = PUP(from); + } + } + } + else if ((op & 64) == 0) { /* 2nd level distance code */ + this = dcode[this.val + (hold & ((1U << op) - 1))]; + goto dodist; + } + else { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + } + else if ((op & 64) == 0) { /* 2nd level length code */ + this = lcode[this.val + (hold & ((1U << op) - 1))]; + goto dolen; + } + else if (op & 32) { /* end-of-block */ + Tracevv((stderr, "inflate: end of block\n")); + state->mode = TYPE; + break; + } + else { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + } while (in < last && out < end); + + /* return unused bytes (on entry, bits < 8, so in won't go too far back) */ + len = bits >> 3; + in -= len; + bits -= len << 3; + hold &= (1U << bits) - 1; + + /* update state and return */ + strm->next_in = in + OFF; + strm->next_out = out + OFF; + strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last)); + strm->avail_out = (unsigned)(out < end ? + 257 + (end - out) : 257 - (out - end)); + state->hold = hold; + state->bits = bits; + return; +} + +/* + inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe): + - Using bit fields for code structure + - Different op definition to avoid & for extra bits (do & for table bits) + - Three separate decoding do-loops for direct, window, and write == 0 + - Special case for distance > 1 copies to do overlapped load and store copy + - Explicit branch predictions (based on measured branch probabilities) + - Deferring match copy and interspersed it with decoding subsequent codes + - Swapping literal/length else + - Swapping window/direct else + - Larger unrolled copy loops (three is about right) + - Moving len -= 3 statement into middle of loop + */ + +#endif /* !ASMINF */ diff --git a/Build/source/libs/zlib/zlib-1.2.3/inffast.h b/Build/source/libs/zlib/zlib-1.2.3/inffast.h new file mode 100644 index 00000000000..1e88d2d97b5 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/inffast.h @@ -0,0 +1,11 @@ +/* inffast.h -- header to use inffast.c + * Copyright (C) 1995-2003 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +void inflate_fast OF((z_streamp strm, unsigned start)); diff --git a/Build/source/libs/zlib/zlib-1.2.3/inffixed.h b/Build/source/libs/zlib/zlib-1.2.3/inffixed.h new file mode 100644 index 00000000000..75ed4b5978d --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/inffixed.h @@ -0,0 +1,94 @@ + /* inffixed.h -- table for decoding fixed codes + * Generated automatically by makefixed(). + */ + + /* WARNING: this file should *not* be used by applications. It + is part of the implementation of the compression library and + is subject to change. Applications should only use zlib.h. + */ + + static const code lenfix[512] = { + {96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48}, + {0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128}, + {0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59}, + {0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176}, + {0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20}, + {21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100}, + {0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8}, + {0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216}, + {18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76}, + {0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114}, + {0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2}, + {0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148}, + {20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42}, + {0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86}, + {0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15}, + {0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236}, + {16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62}, + {0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142}, + {0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31}, + {0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162}, + {0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25}, + {0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105}, + {0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4}, + {0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202}, + {17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69}, + {0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125}, + {0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13}, + {0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195}, + {19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35}, + {0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91}, + {0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19}, + {0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246}, + {16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55}, + {0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135}, + {0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99}, + {0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190}, + {0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16}, + {20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96}, + {0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6}, + {0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209}, + {17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72}, + {0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116}, + {0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4}, + {0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153}, + {20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44}, + {0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82}, + {0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11}, + {0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229}, + {16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58}, + {0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138}, + {0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51}, + {0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173}, + {0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30}, + {0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110}, + {0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0}, + {0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195}, + {16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65}, + {0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121}, + {0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9}, + {0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258}, + {19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37}, + {0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93}, + {0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23}, + {0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251}, + {16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51}, + {0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131}, + {0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67}, + {0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183}, + {0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23}, + {64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103}, + {0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9}, + {0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223}, + {18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79}, + {0,9,255} + }; + + static const code distfix[32] = { + {16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025}, + {21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193}, + {18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385}, + {19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577}, + {16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073}, + {22,5,193},{64,5,0} + }; diff --git a/Build/source/libs/zlib/zlib-1.2.3/inflate.c b/Build/source/libs/zlib/zlib-1.2.3/inflate.c new file mode 100644 index 00000000000..792fdee8e9c --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/inflate.c @@ -0,0 +1,1368 @@ +/* inflate.c -- zlib decompression + * Copyright (C) 1995-2005 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * Change history: + * + * 1.2.beta0 24 Nov 2002 + * - First version -- complete rewrite of inflate to simplify code, avoid + * creation of window when not needed, minimize use of window when it is + * needed, make inffast.c even faster, implement gzip decoding, and to + * improve code readability and style over the previous zlib inflate code + * + * 1.2.beta1 25 Nov 2002 + * - Use pointers for available input and output checking in inffast.c + * - Remove input and output counters in inffast.c + * - Change inffast.c entry and loop from avail_in >= 7 to >= 6 + * - Remove unnecessary second byte pull from length extra in inffast.c + * - Unroll direct copy to three copies per loop in inffast.c + * + * 1.2.beta2 4 Dec 2002 + * - Change external routine names to reduce potential conflicts + * - Correct filename to inffixed.h for fixed tables in inflate.c + * - Make hbuf[] unsigned char to match parameter type in inflate.c + * - Change strm->next_out[-state->offset] to *(strm->next_out - state->offset) + * to avoid negation problem on Alphas (64 bit) in inflate.c + * + * 1.2.beta3 22 Dec 2002 + * - Add comments on state->bits assertion in inffast.c + * - Add comments on op field in inftrees.h + * - Fix bug in reuse of allocated window after inflateReset() + * - Remove bit fields--back to byte structure for speed + * - Remove distance extra == 0 check in inflate_fast()--only helps for lengths + * - Change post-increments to pre-increments in inflate_fast(), PPC biased? + * - Add compile time option, POSTINC, to use post-increments instead (Intel?) + * - Make MATCH copy in inflate() much faster for when inflate_fast() not used + * - Use local copies of stream next and avail values, as well as local bit + * buffer and bit count in inflate()--for speed when inflate_fast() not used + * + * 1.2.beta4 1 Jan 2003 + * - Split ptr - 257 statements in inflate_table() to avoid compiler warnings + * - Move a comment on output buffer sizes from inffast.c to inflate.c + * - Add comments in inffast.c to introduce the inflate_fast() routine + * - Rearrange window copies in inflate_fast() for speed and simplification + * - Unroll last copy for window match in inflate_fast() + * - Use local copies of window variables in inflate_fast() for speed + * - Pull out common write == 0 case for speed in inflate_fast() + * - Make op and len in inflate_fast() unsigned for consistency + * - Add FAR to lcode and dcode declarations in inflate_fast() + * - Simplified bad distance check in inflate_fast() + * - Added inflateBackInit(), inflateBack(), and inflateBackEnd() in new + * source file infback.c to provide a call-back interface to inflate for + * programs like gzip and unzip -- uses window as output buffer to avoid + * window copying + * + * 1.2.beta5 1 Jan 2003 + * - Improved inflateBack() interface to allow the caller to provide initial + * input in strm. + * - Fixed stored blocks bug in inflateBack() + * + * 1.2.beta6 4 Jan 2003 + * - Added comments in inffast.c on effectiveness of POSTINC + * - Typecasting all around to reduce compiler warnings + * - Changed loops from while (1) or do {} while (1) to for (;;), again to + * make compilers happy + * - Changed type of window in inflateBackInit() to unsigned char * + * + * 1.2.beta7 27 Jan 2003 + * - Changed many types to unsigned or unsigned short to avoid warnings + * - Added inflateCopy() function + * + * 1.2.0 9 Mar 2003 + * - Changed inflateBack() interface to provide separate opaque descriptors + * for the in() and out() functions + * - Changed inflateBack() argument and in_func typedef to swap the length + * and buffer address return values for the input function + * - Check next_in and next_out for Z_NULL on entry to inflate() + * + * The history for versions after 1.2.0 are in ChangeLog in zlib distribution. + */ + +#include "zutil.h" +#include "inftrees.h" +#include "inflate.h" +#include "inffast.h" + +#ifdef MAKEFIXED +# ifndef BUILDFIXED +# define BUILDFIXED +# endif +#endif + +/* function prototypes */ +local void fixedtables OF((struct inflate_state FAR *state)); +local int updatewindow OF((z_streamp strm, unsigned out)); +#ifdef BUILDFIXED + void makefixed OF((void)); +#endif +local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf, + unsigned len)); + +int ZEXPORT inflateReset(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + strm->total_in = strm->total_out = state->total = 0; + strm->msg = Z_NULL; + strm->adler = 1; /* to support ill-conceived Java test suite */ + state->mode = HEAD; + state->last = 0; + state->havedict = 0; + state->dmax = 32768U; + state->head = Z_NULL; + state->wsize = 0; + state->whave = 0; + state->write = 0; + state->hold = 0; + state->bits = 0; + state->lencode = state->distcode = state->next = state->codes; + Tracev((stderr, "inflate: reset\n")); + return Z_OK; +} + +int ZEXPORT inflatePrime(strm, bits, value) +z_streamp strm; +int bits; +int value; +{ + struct inflate_state FAR *state; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (bits > 16 || state->bits + bits > 32) return Z_STREAM_ERROR; + value &= (1L << bits) - 1; + state->hold += value << state->bits; + state->bits += bits; + return Z_OK; +} + +int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size) +z_streamp strm; +int windowBits; +const char *version; +int stream_size; +{ + struct inflate_state FAR *state; + + if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || + stream_size != (int)(sizeof(z_stream))) + return Z_VERSION_ERROR; + if (strm == Z_NULL) return Z_STREAM_ERROR; + strm->msg = Z_NULL; /* in case we return an error */ + if (strm->zalloc == (alloc_func)0) { + strm->zalloc = zcalloc; + strm->opaque = (voidpf)0; + } + if (strm->zfree == (free_func)0) strm->zfree = zcfree; + state = (struct inflate_state FAR *) + ZALLOC(strm, 1, sizeof(struct inflate_state)); + if (state == Z_NULL) return Z_MEM_ERROR; + Tracev((stderr, "inflate: allocated\n")); + strm->state = (struct internal_state FAR *)state; + if (windowBits < 0) { + state->wrap = 0; + windowBits = -windowBits; + } + else { + state->wrap = (windowBits >> 4) + 1; +#ifdef GUNZIP + if (windowBits < 48) windowBits &= 15; +#endif + } + if (windowBits < 8 || windowBits > 15) { + ZFREE(strm, state); + strm->state = Z_NULL; + return Z_STREAM_ERROR; + } + state->wbits = (unsigned)windowBits; + state->window = Z_NULL; + return inflateReset(strm); +} + +int ZEXPORT inflateInit_(strm, version, stream_size) +z_streamp strm; +const char *version; +int stream_size; +{ + return inflateInit2_(strm, DEF_WBITS, version, stream_size); +} + +/* + Return state with length and distance decoding tables and index sizes set to + fixed code decoding. Normally this returns fixed tables from inffixed.h. + If BUILDFIXED is defined, then instead this routine builds the tables the + first time it's called, and returns those tables the first time and + thereafter. This reduces the size of the code by about 2K bytes, in + exchange for a little execution time. However, BUILDFIXED should not be + used for threaded applications, since the rewriting of the tables and virgin + may not be thread-safe. + */ +local void fixedtables(state) +struct inflate_state FAR *state; +{ +#ifdef BUILDFIXED + static int virgin = 1; + static code *lenfix, *distfix; + static code fixed[544]; + + /* build fixed huffman tables if first call (may not be thread safe) */ + if (virgin) { + unsigned sym, bits; + static code *next; + + /* literal/length table */ + sym = 0; + while (sym < 144) state->lens[sym++] = 8; + while (sym < 256) state->lens[sym++] = 9; + while (sym < 280) state->lens[sym++] = 7; + while (sym < 288) state->lens[sym++] = 8; + next = fixed; + lenfix = next; + bits = 9; + inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); + + /* distance table */ + sym = 0; + while (sym < 32) state->lens[sym++] = 5; + distfix = next; + bits = 5; + inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); + + /* do this just once */ + virgin = 0; + } +#else /* !BUILDFIXED */ +# include "inffixed.h" +#endif /* BUILDFIXED */ + state->lencode = lenfix; + state->lenbits = 9; + state->distcode = distfix; + state->distbits = 5; +} + +#ifdef MAKEFIXED +#include + +/* + Write out the inffixed.h that is #include'd above. Defining MAKEFIXED also + defines BUILDFIXED, so the tables are built on the fly. makefixed() writes + those tables to stdout, which would be piped to inffixed.h. A small program + can simply call makefixed to do this: + + void makefixed(void); + + int main(void) + { + makefixed(); + return 0; + } + + Then that can be linked with zlib built with MAKEFIXED defined and run: + + a.out > inffixed.h + */ +void makefixed() +{ + unsigned low, size; + struct inflate_state state; + + fixedtables(&state); + puts(" /* inffixed.h -- table for decoding fixed codes"); + puts(" * Generated automatically by makefixed()."); + puts(" */"); + puts(""); + puts(" /* WARNING: this file should *not* be used by applications."); + puts(" It is part of the implementation of this library and is"); + puts(" subject to change. Applications should only use zlib.h."); + puts(" */"); + puts(""); + size = 1U << 9; + printf(" static const code lenfix[%u] = {", size); + low = 0; + for (;;) { + if ((low % 7) == 0) printf("\n "); + printf("{%u,%u,%d}", state.lencode[low].op, state.lencode[low].bits, + state.lencode[low].val); + if (++low == size) break; + putchar(','); + } + puts("\n };"); + size = 1U << 5; + printf("\n static const code distfix[%u] = {", size); + low = 0; + for (;;) { + if ((low % 6) == 0) printf("\n "); + printf("{%u,%u,%d}", state.distcode[low].op, state.distcode[low].bits, + state.distcode[low].val); + if (++low == size) break; + putchar(','); + } + puts("\n };"); +} +#endif /* MAKEFIXED */ + +/* + Update the window with the last wsize (normally 32K) bytes written before + returning. If window does not exist yet, create it. This is only called + when a window is already in use, or when output has been written during this + inflate call, but the end of the deflate stream has not been reached yet. + It is also called to create a window for dictionary data when a dictionary + is loaded. + + Providing output buffers larger than 32K to inflate() should provide a speed + advantage, since only the last 32K of output is copied to the sliding window + upon return from inflate(), and since all distances after the first 32K of + output will fall in the output data, making match copies simpler and faster. + The advantage may be dependent on the size of the processor's data caches. + */ +local int updatewindow(strm, out) +z_streamp strm; +unsigned out; +{ + struct inflate_state FAR *state; + unsigned copy, dist; + + state = (struct inflate_state FAR *)strm->state; + + /* if it hasn't been done already, allocate space for the window */ + if (state->window == Z_NULL) { + state->window = (unsigned char FAR *) + ZALLOC(strm, 1U << state->wbits, + sizeof(unsigned char)); + if (state->window == Z_NULL) return 1; + } + + /* if window not in use yet, initialize */ + if (state->wsize == 0) { + state->wsize = 1U << state->wbits; + state->write = 0; + state->whave = 0; + } + + /* copy state->wsize or less output bytes into the circular window */ + copy = out - strm->avail_out; + if (copy >= state->wsize) { + zmemcpy(state->window, strm->next_out - state->wsize, state->wsize); + state->write = 0; + state->whave = state->wsize; + } + else { + dist = state->wsize - state->write; + if (dist > copy) dist = copy; + zmemcpy(state->window + state->write, strm->next_out - copy, dist); + copy -= dist; + if (copy) { + zmemcpy(state->window, strm->next_out - copy, copy); + state->write = copy; + state->whave = state->wsize; + } + else { + state->write += dist; + if (state->write == state->wsize) state->write = 0; + if (state->whave < state->wsize) state->whave += dist; + } + } + return 0; +} + +/* Macros for inflate(): */ + +/* check function to use adler32() for zlib or crc32() for gzip */ +#ifdef GUNZIP +# define UPDATE(check, buf, len) \ + (state->flags ? crc32(check, buf, len) : adler32(check, buf, len)) +#else +# define UPDATE(check, buf, len) adler32(check, buf, len) +#endif + +/* check macros for header crc */ +#ifdef GUNZIP +# define CRC2(check, word) \ + do { \ + hbuf[0] = (unsigned char)(word); \ + hbuf[1] = (unsigned char)((word) >> 8); \ + check = crc32(check, hbuf, 2); \ + } while (0) + +# define CRC4(check, word) \ + do { \ + hbuf[0] = (unsigned char)(word); \ + hbuf[1] = (unsigned char)((word) >> 8); \ + hbuf[2] = (unsigned char)((word) >> 16); \ + hbuf[3] = (unsigned char)((word) >> 24); \ + check = crc32(check, hbuf, 4); \ + } while (0) +#endif + +/* Load registers with state in inflate() for speed */ +#define LOAD() \ + do { \ + put = strm->next_out; \ + left = strm->avail_out; \ + next = strm->next_in; \ + have = strm->avail_in; \ + hold = state->hold; \ + bits = state->bits; \ + } while (0) + +/* Restore state from registers in inflate() */ +#define RESTORE() \ + do { \ + strm->next_out = put; \ + strm->avail_out = left; \ + strm->next_in = next; \ + strm->avail_in = have; \ + state->hold = hold; \ + state->bits = bits; \ + } while (0) + +/* Clear the input bit accumulator */ +#define INITBITS() \ + do { \ + hold = 0; \ + bits = 0; \ + } while (0) + +/* Get a byte of input into the bit accumulator, or return from inflate() + if there is no input available. */ +#define PULLBYTE() \ + do { \ + if (have == 0) goto inf_leave; \ + have--; \ + hold += (unsigned long)(*next++) << bits; \ + bits += 8; \ + } while (0) + +/* Assure that there are at least n bits in the bit accumulator. If there is + not enough available input to do that, then return from inflate(). */ +#define NEEDBITS(n) \ + do { \ + while (bits < (unsigned)(n)) \ + PULLBYTE(); \ + } while (0) + +/* Return the low n bits of the bit accumulator (n < 16) */ +#define BITS(n) \ + ((unsigned)hold & ((1U << (n)) - 1)) + +/* Remove n bits from the bit accumulator */ +#define DROPBITS(n) \ + do { \ + hold >>= (n); \ + bits -= (unsigned)(n); \ + } while (0) + +/* Remove zero to seven bits as needed to go to a byte boundary */ +#define BYTEBITS() \ + do { \ + hold >>= bits & 7; \ + bits -= bits & 7; \ + } while (0) + +/* Reverse the bytes in a 32-bit value */ +#define REVERSE(q) \ + ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ + (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) + +/* + inflate() uses a state machine to process as much input data and generate as + much output data as possible before returning. The state machine is + structured roughly as follows: + + for (;;) switch (state) { + ... + case STATEn: + if (not enough input data or output space to make progress) + return; + ... make progress ... + state = STATEm; + break; + ... + } + + so when inflate() is called again, the same case is attempted again, and + if the appropriate resources are provided, the machine proceeds to the + next state. The NEEDBITS() macro is usually the way the state evaluates + whether it can proceed or should return. NEEDBITS() does the return if + the requested bits are not available. The typical use of the BITS macros + is: + + NEEDBITS(n); + ... do something with BITS(n) ... + DROPBITS(n); + + where NEEDBITS(n) either returns from inflate() if there isn't enough + input left to load n bits into the accumulator, or it continues. BITS(n) + gives the low n bits in the accumulator. When done, DROPBITS(n) drops + the low n bits off the accumulator. INITBITS() clears the accumulator + and sets the number of available bits to zero. BYTEBITS() discards just + enough bits to put the accumulator on a byte boundary. After BYTEBITS() + and a NEEDBITS(8), then BITS(8) would return the next byte in the stream. + + NEEDBITS(n) uses PULLBYTE() to get an available byte of input, or to return + if there is no input available. The decoding of variable length codes uses + PULLBYTE() directly in order to pull just enough bytes to decode the next + code, and no more. + + Some states loop until they get enough input, making sure that enough + state information is maintained to continue the loop where it left off + if NEEDBITS() returns in the loop. For example, want, need, and keep + would all have to actually be part of the saved state in case NEEDBITS() + returns: + + case STATEw: + while (want < need) { + NEEDBITS(n); + keep[want++] = BITS(n); + DROPBITS(n); + } + state = STATEx; + case STATEx: + + As shown above, if the next state is also the next case, then the break + is omitted. + + A state may also return if there is not enough output space available to + complete that state. Those states are copying stored data, writing a + literal byte, and copying a matching string. + + When returning, a "goto inf_leave" is used to update the total counters, + update the check value, and determine whether any progress has been made + during that inflate() call in order to return the proper return code. + Progress is defined as a change in either strm->avail_in or strm->avail_out. + When there is a window, goto inf_leave will update the window with the last + output written. If a goto inf_leave occurs in the middle of decompression + and there is no window currently, goto inf_leave will create one and copy + output to the window for the next call of inflate(). + + In this implementation, the flush parameter of inflate() only affects the + return code (per zlib.h). inflate() always writes as much as possible to + strm->next_out, given the space available and the provided input--the effect + documented in zlib.h of Z_SYNC_FLUSH. Furthermore, inflate() always defers + the allocation of and copying into a sliding window until necessary, which + provides the effect documented in zlib.h for Z_FINISH when the entire input + stream available. So the only thing the flush parameter actually does is: + when flush is set to Z_FINISH, inflate() cannot return Z_OK. Instead it + will return Z_BUF_ERROR if it has not reached the end of the stream. + */ + +int ZEXPORT inflate(strm, flush) +z_streamp strm; +int flush; +{ + struct inflate_state FAR *state; + unsigned char FAR *next; /* next input */ + unsigned char FAR *put; /* next output */ + unsigned have, left; /* available input and output */ + unsigned long hold; /* bit buffer */ + unsigned bits; /* bits in bit buffer */ + unsigned in, out; /* save starting available input and output */ + unsigned copy; /* number of stored or match bytes to copy */ + unsigned char FAR *from; /* where to copy match bytes from */ + code this; /* current decoding table entry */ + code last; /* parent table entry */ + unsigned len; /* length to copy for repeats, bits to drop */ + int ret; /* return code */ +#ifdef GUNZIP + unsigned char hbuf[4]; /* buffer for gzip header crc calculation */ +#endif + static const unsigned short order[19] = /* permutation of code lengths */ + {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; + + if (strm == Z_NULL || strm->state == Z_NULL || strm->next_out == Z_NULL || + (strm->next_in == Z_NULL && strm->avail_in != 0)) + return Z_STREAM_ERROR; + + state = (struct inflate_state FAR *)strm->state; + if (state->mode == TYPE) state->mode = TYPEDO; /* skip check */ + LOAD(); + in = have; + out = left; + ret = Z_OK; + for (;;) + switch (state->mode) { + case HEAD: + if (state->wrap == 0) { + state->mode = TYPEDO; + break; + } + NEEDBITS(16); +#ifdef GUNZIP + if ((state->wrap & 2) && hold == 0x8b1f) { /* gzip header */ + state->check = crc32(0L, Z_NULL, 0); + CRC2(state->check, hold); + INITBITS(); + state->mode = FLAGS; + break; + } + state->flags = 0; /* expect zlib header */ + if (state->head != Z_NULL) + state->head->done = -1; + if (!(state->wrap & 1) || /* check if zlib header allowed */ +#else + if ( +#endif + ((BITS(8) << 8) + (hold >> 8)) % 31) { + strm->msg = (char *)"incorrect header check"; + state->mode = BAD; + break; + } + if (BITS(4) != Z_DEFLATED) { + strm->msg = (char *)"unknown compression method"; + state->mode = BAD; + break; + } + DROPBITS(4); + len = BITS(4) + 8; + if (len > state->wbits) { + strm->msg = (char *)"invalid window size"; + state->mode = BAD; + break; + } + state->dmax = 1U << len; + Tracev((stderr, "inflate: zlib header ok\n")); + strm->adler = state->check = adler32(0L, Z_NULL, 0); + state->mode = hold & 0x200 ? DICTID : TYPE; + INITBITS(); + break; +#ifdef GUNZIP + case FLAGS: + NEEDBITS(16); + state->flags = (int)(hold); + if ((state->flags & 0xff) != Z_DEFLATED) { + strm->msg = (char *)"unknown compression method"; + state->mode = BAD; + break; + } + if (state->flags & 0xe000) { + strm->msg = (char *)"unknown header flags set"; + state->mode = BAD; + break; + } + if (state->head != Z_NULL) + state->head->text = (int)((hold >> 8) & 1); + if (state->flags & 0x0200) CRC2(state->check, hold); + INITBITS(); + state->mode = TIME; + case TIME: + NEEDBITS(32); + if (state->head != Z_NULL) + state->head->time = hold; + if (state->flags & 0x0200) CRC4(state->check, hold); + INITBITS(); + state->mode = OS; + case OS: + NEEDBITS(16); + if (state->head != Z_NULL) { + state->head->xflags = (int)(hold & 0xff); + state->head->os = (int)(hold >> 8); + } + if (state->flags & 0x0200) CRC2(state->check, hold); + INITBITS(); + state->mode = EXLEN; + case EXLEN: + if (state->flags & 0x0400) { + NEEDBITS(16); + state->length = (unsigned)(hold); + if (state->head != Z_NULL) + state->head->extra_len = (unsigned)hold; + if (state->flags & 0x0200) CRC2(state->check, hold); + INITBITS(); + } + else if (state->head != Z_NULL) + state->head->extra = Z_NULL; + state->mode = EXTRA; + case EXTRA: + if (state->flags & 0x0400) { + copy = state->length; + if (copy > have) copy = have; + if (copy) { + if (state->head != Z_NULL && + state->head->extra != Z_NULL) { + len = state->head->extra_len - state->length; + zmemcpy(state->head->extra + len, next, + len + copy > state->head->extra_max ? + state->head->extra_max - len : copy); + } + if (state->flags & 0x0200) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + state->length -= copy; + } + if (state->length) goto inf_leave; + } + state->length = 0; + state->mode = NAME; + case NAME: + if (state->flags & 0x0800) { + if (have == 0) goto inf_leave; + copy = 0; + do { + len = (unsigned)(next[copy++]); + if (state->head != Z_NULL && + state->head->name != Z_NULL && + state->length < state->head->name_max) + state->head->name[state->length++] = len; + } while (len && copy < have); + if (state->flags & 0x0200) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + if (len) goto inf_leave; + } + else if (state->head != Z_NULL) + state->head->name = Z_NULL; + state->length = 0; + state->mode = COMMENT; + case COMMENT: + if (state->flags & 0x1000) { + if (have == 0) goto inf_leave; + copy = 0; + do { + len = (unsigned)(next[copy++]); + if (state->head != Z_NULL && + state->head->comment != Z_NULL && + state->length < state->head->comm_max) + state->head->comment[state->length++] = len; + } while (len && copy < have); + if (state->flags & 0x0200) + state->check = crc32(state->check, next, copy); + have -= copy; + next += copy; + if (len) goto inf_leave; + } + else if (state->head != Z_NULL) + state->head->comment = Z_NULL; + state->mode = HCRC; + case HCRC: + if (state->flags & 0x0200) { + NEEDBITS(16); + if (hold != (state->check & 0xffff)) { + strm->msg = (char *)"header crc mismatch"; + state->mode = BAD; + break; + } + INITBITS(); + } + if (state->head != Z_NULL) { + state->head->hcrc = (int)((state->flags >> 9) & 1); + state->head->done = 1; + } + strm->adler = state->check = crc32(0L, Z_NULL, 0); + state->mode = TYPE; + break; +#endif + case DICTID: + NEEDBITS(32); + strm->adler = state->check = REVERSE(hold); + INITBITS(); + state->mode = DICT; + case DICT: + if (state->havedict == 0) { + RESTORE(); + return Z_NEED_DICT; + } + strm->adler = state->check = adler32(0L, Z_NULL, 0); + state->mode = TYPE; + case TYPE: + if (flush == Z_BLOCK) goto inf_leave; + case TYPEDO: + if (state->last) { + BYTEBITS(); + state->mode = CHECK; + break; + } + NEEDBITS(3); + state->last = BITS(1); + DROPBITS(1); + switch (BITS(2)) { + case 0: /* stored block */ + Tracev((stderr, "inflate: stored block%s\n", + state->last ? " (last)" : "")); + state->mode = STORED; + break; + case 1: /* fixed block */ + fixedtables(state); + Tracev((stderr, "inflate: fixed codes block%s\n", + state->last ? " (last)" : "")); + state->mode = LEN; /* decode codes */ + break; + case 2: /* dynamic block */ + Tracev((stderr, "inflate: dynamic codes block%s\n", + state->last ? " (last)" : "")); + state->mode = TABLE; + break; + case 3: + strm->msg = (char *)"invalid block type"; + state->mode = BAD; + } + DROPBITS(2); + break; + case STORED: + BYTEBITS(); /* go to byte boundary */ + NEEDBITS(32); + if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { + strm->msg = (char *)"invalid stored block lengths"; + state->mode = BAD; + break; + } + state->length = (unsigned)hold & 0xffff; + Tracev((stderr, "inflate: stored length %u\n", + state->length)); + INITBITS(); + state->mode = COPY; + case COPY: + copy = state->length; + if (copy) { + if (copy > have) copy = have; + if (copy > left) copy = left; + if (copy == 0) goto inf_leave; + zmemcpy(put, next, copy); + have -= copy; + next += copy; + left -= copy; + put += copy; + state->length -= copy; + break; + } + Tracev((stderr, "inflate: stored end\n")); + state->mode = TYPE; + break; + case TABLE: + NEEDBITS(14); + state->nlen = BITS(5) + 257; + DROPBITS(5); + state->ndist = BITS(5) + 1; + DROPBITS(5); + state->ncode = BITS(4) + 4; + DROPBITS(4); +#ifndef PKZIP_BUG_WORKAROUND + if (state->nlen > 286 || state->ndist > 30) { + strm->msg = (char *)"too many length or distance symbols"; + state->mode = BAD; + break; + } +#endif + Tracev((stderr, "inflate: table sizes ok\n")); + state->have = 0; + state->mode = LENLENS; + case LENLENS: + while (state->have < state->ncode) { + NEEDBITS(3); + state->lens[order[state->have++]] = (unsigned short)BITS(3); + DROPBITS(3); + } + while (state->have < 19) + state->lens[order[state->have++]] = 0; + state->next = state->codes; + state->lencode = (code const FAR *)(state->next); + state->lenbits = 7; + ret = inflate_table(CODES, state->lens, 19, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid code lengths set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: code lengths ok\n")); + state->have = 0; + state->mode = CODELENS; + case CODELENS: + while (state->have < state->nlen + state->ndist) { + for (;;) { + this = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(this.bits) <= bits) break; + PULLBYTE(); + } + if (this.val < 16) { + NEEDBITS(this.bits); + DROPBITS(this.bits); + state->lens[state->have++] = this.val; + } + else { + if (this.val == 16) { + NEEDBITS(this.bits + 2); + DROPBITS(this.bits); + if (state->have == 0) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + len = state->lens[state->have - 1]; + copy = 3 + BITS(2); + DROPBITS(2); + } + else if (this.val == 17) { + NEEDBITS(this.bits + 3); + DROPBITS(this.bits); + len = 0; + copy = 3 + BITS(3); + DROPBITS(3); + } + else { + NEEDBITS(this.bits + 7); + DROPBITS(this.bits); + len = 0; + copy = 11 + BITS(7); + DROPBITS(7); + } + if (state->have + copy > state->nlen + state->ndist) { + strm->msg = (char *)"invalid bit length repeat"; + state->mode = BAD; + break; + } + while (copy--) + state->lens[state->have++] = (unsigned short)len; + } + } + + /* handle error breaks in while */ + if (state->mode == BAD) break; + + /* build code tables */ + state->next = state->codes; + state->lencode = (code const FAR *)(state->next); + state->lenbits = 9; + ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), + &(state->lenbits), state->work); + if (ret) { + strm->msg = (char *)"invalid literal/lengths set"; + state->mode = BAD; + break; + } + state->distcode = (code const FAR *)(state->next); + state->distbits = 6; + ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, + &(state->next), &(state->distbits), state->work); + if (ret) { + strm->msg = (char *)"invalid distances set"; + state->mode = BAD; + break; + } + Tracev((stderr, "inflate: codes ok\n")); + state->mode = LEN; + case LEN: + if (have >= 6 && left >= 258) { + RESTORE(); + inflate_fast(strm, out); + LOAD(); + break; + } + for (;;) { + this = state->lencode[BITS(state->lenbits)]; + if ((unsigned)(this.bits) <= bits) break; + PULLBYTE(); + } + if (this.op && (this.op & 0xf0) == 0) { + last = this; + for (;;) { + this = state->lencode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + this.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(this.bits); + state->length = (unsigned)this.val; + if ((int)(this.op) == 0) { + Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ? + "inflate: literal '%c'\n" : + "inflate: literal 0x%02x\n", this.val)); + state->mode = LIT; + break; + } + if (this.op & 32) { + Tracevv((stderr, "inflate: end of block\n")); + state->mode = TYPE; + break; + } + if (this.op & 64) { + strm->msg = (char *)"invalid literal/length code"; + state->mode = BAD; + break; + } + state->extra = (unsigned)(this.op) & 15; + state->mode = LENEXT; + case LENEXT: + if (state->extra) { + NEEDBITS(state->extra); + state->length += BITS(state->extra); + DROPBITS(state->extra); + } + Tracevv((stderr, "inflate: length %u\n", state->length)); + state->mode = DIST; + case DIST: + for (;;) { + this = state->distcode[BITS(state->distbits)]; + if ((unsigned)(this.bits) <= bits) break; + PULLBYTE(); + } + if ((this.op & 0xf0) == 0) { + last = this; + for (;;) { + this = state->distcode[last.val + + (BITS(last.bits + last.op) >> last.bits)]; + if ((unsigned)(last.bits + this.bits) <= bits) break; + PULLBYTE(); + } + DROPBITS(last.bits); + } + DROPBITS(this.bits); + if (this.op & 64) { + strm->msg = (char *)"invalid distance code"; + state->mode = BAD; + break; + } + state->offset = (unsigned)this.val; + state->extra = (unsigned)(this.op) & 15; + state->mode = DISTEXT; + case DISTEXT: + if (state->extra) { + NEEDBITS(state->extra); + state->offset += BITS(state->extra); + DROPBITS(state->extra); + } +#ifdef INFLATE_STRICT + if (state->offset > state->dmax) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } +#endif + if (state->offset > state->whave + out - left) { + strm->msg = (char *)"invalid distance too far back"; + state->mode = BAD; + break; + } + Tracevv((stderr, "inflate: distance %u\n", state->offset)); + state->mode = MATCH; + case MATCH: + if (left == 0) goto inf_leave; + copy = out - left; + if (state->offset > copy) { /* copy from window */ + copy = state->offset - copy; + if (copy > state->write) { + copy -= state->write; + from = state->window + (state->wsize - copy); + } + else + from = state->window + (state->write - copy); + if (copy > state->length) copy = state->length; + } + else { /* copy from output */ + from = put - state->offset; + copy = state->length; + } + if (copy > left) copy = left; + left -= copy; + state->length -= copy; + do { + *put++ = *from++; + } while (--copy); + if (state->length == 0) state->mode = LEN; + break; + case LIT: + if (left == 0) goto inf_leave; + *put++ = (unsigned char)(state->length); + left--; + state->mode = LEN; + break; + case CHECK: + if (state->wrap) { + NEEDBITS(32); + out -= left; + strm->total_out += out; + state->total += out; + if (out) + strm->adler = state->check = + UPDATE(state->check, put - out, out); + out = left; + if (( +#ifdef GUNZIP + state->flags ? hold : +#endif + REVERSE(hold)) != state->check) { + strm->msg = (char *)"incorrect data check"; + state->mode = BAD; + break; + } + INITBITS(); + Tracev((stderr, "inflate: check matches trailer\n")); + } +#ifdef GUNZIP + state->mode = LENGTH; + case LENGTH: + if (state->wrap && state->flags) { + NEEDBITS(32); + if (hold != (state->total & 0xffffffffUL)) { + strm->msg = (char *)"incorrect length check"; + state->mode = BAD; + break; + } + INITBITS(); + Tracev((stderr, "inflate: length matches trailer\n")); + } +#endif + state->mode = DONE; + case DONE: + ret = Z_STREAM_END; + goto inf_leave; + case BAD: + ret = Z_DATA_ERROR; + goto inf_leave; + case MEM: + return Z_MEM_ERROR; + case SYNC: + default: + return Z_STREAM_ERROR; + } + + /* + Return from inflate(), updating the total counts and the check value. + If there was no progress during the inflate() call, return a buffer + error. Call updatewindow() to create and/or update the window state. + Note: a memory error from inflate() is non-recoverable. + */ + inf_leave: + RESTORE(); + if (state->wsize || (state->mode < CHECK && out != strm->avail_out)) + if (updatewindow(strm, out)) { + state->mode = MEM; + return Z_MEM_ERROR; + } + in -= strm->avail_in; + out -= strm->avail_out; + strm->total_in += in; + strm->total_out += out; + state->total += out; + if (state->wrap && out) + strm->adler = state->check = + UPDATE(state->check, strm->next_out - out, out); + strm->data_type = state->bits + (state->last ? 64 : 0) + + (state->mode == TYPE ? 128 : 0); + if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK) + ret = Z_BUF_ERROR; + return ret; +} + +int ZEXPORT inflateEnd(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (state->window != Z_NULL) ZFREE(strm, state->window); + ZFREE(strm, strm->state); + strm->state = Z_NULL; + Tracev((stderr, "inflate: end\n")); + return Z_OK; +} + +int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength) +z_streamp strm; +const Bytef *dictionary; +uInt dictLength; +{ + struct inflate_state FAR *state; + unsigned long id; + + /* check state */ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (state->wrap != 0 && state->mode != DICT) + return Z_STREAM_ERROR; + + /* check for correct dictionary id */ + if (state->mode == DICT) { + id = adler32(0L, Z_NULL, 0); + id = adler32(id, dictionary, dictLength); + if (id != state->check) + return Z_DATA_ERROR; + } + + /* copy dictionary to window */ + if (updatewindow(strm, strm->avail_out)) { + state->mode = MEM; + return Z_MEM_ERROR; + } + if (dictLength > state->wsize) { + zmemcpy(state->window, dictionary + dictLength - state->wsize, + state->wsize); + state->whave = state->wsize; + } + else { + zmemcpy(state->window + state->wsize - dictLength, dictionary, + dictLength); + state->whave = dictLength; + } + state->havedict = 1; + Tracev((stderr, "inflate: dictionary set\n")); + return Z_OK; +} + +int ZEXPORT inflateGetHeader(strm, head) +z_streamp strm; +gz_headerp head; +{ + struct inflate_state FAR *state; + + /* check state */ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if ((state->wrap & 2) == 0) return Z_STREAM_ERROR; + + /* save header structure */ + state->head = head; + head->done = 0; + return Z_OK; +} + +/* + Search buf[0..len-1] for the pattern: 0, 0, 0xff, 0xff. Return when found + or when out of input. When called, *have is the number of pattern bytes + found in order so far, in 0..3. On return *have is updated to the new + state. If on return *have equals four, then the pattern was found and the + return value is how many bytes were read including the last byte of the + pattern. If *have is less than four, then the pattern has not been found + yet and the return value is len. In the latter case, syncsearch() can be + called again with more data and the *have state. *have is initialized to + zero for the first call. + */ +local unsigned syncsearch(have, buf, len) +unsigned FAR *have; +unsigned char FAR *buf; +unsigned len; +{ + unsigned got; + unsigned next; + + got = *have; + next = 0; + while (next < len && got < 4) { + if ((int)(buf[next]) == (got < 2 ? 0 : 0xff)) + got++; + else if (buf[next]) + got = 0; + else + got = 4 - got; + next++; + } + *have = got; + return next; +} + +int ZEXPORT inflateSync(strm) +z_streamp strm; +{ + unsigned len; /* number of bytes to look at or looked at */ + unsigned long in, out; /* temporary to save total_in and total_out */ + unsigned char buf[4]; /* to restore bit buffer to byte string */ + struct inflate_state FAR *state; + + /* check parameters */ + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + if (strm->avail_in == 0 && state->bits < 8) return Z_BUF_ERROR; + + /* if first time, start search in bit buffer */ + if (state->mode != SYNC) { + state->mode = SYNC; + state->hold <<= state->bits & 7; + state->bits -= state->bits & 7; + len = 0; + while (state->bits >= 8) { + buf[len++] = (unsigned char)(state->hold); + state->hold >>= 8; + state->bits -= 8; + } + state->have = 0; + syncsearch(&(state->have), buf, len); + } + + /* search available input */ + len = syncsearch(&(state->have), strm->next_in, strm->avail_in); + strm->avail_in -= len; + strm->next_in += len; + strm->total_in += len; + + /* return no joy or set up to restart inflate() on a new block */ + if (state->have != 4) return Z_DATA_ERROR; + in = strm->total_in; out = strm->total_out; + inflateReset(strm); + strm->total_in = in; strm->total_out = out; + state->mode = TYPE; + return Z_OK; +} + +/* + Returns true if inflate is currently at the end of a block generated by + Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP + implementation to provide an additional safety check. PPP uses + Z_SYNC_FLUSH but removes the length bytes of the resulting empty stored + block. When decompressing, PPP checks that at the end of input packet, + inflate is waiting for these length bytes. + */ +int ZEXPORT inflateSyncPoint(strm) +z_streamp strm; +{ + struct inflate_state FAR *state; + + if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)strm->state; + return state->mode == STORED && state->bits == 0; +} + +int ZEXPORT inflateCopy(dest, source) +z_streamp dest; +z_streamp source; +{ + struct inflate_state FAR *state; + struct inflate_state FAR *copy; + unsigned char FAR *window; + unsigned wsize; + + /* check input */ + if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL || + source->zalloc == (alloc_func)0 || source->zfree == (free_func)0) + return Z_STREAM_ERROR; + state = (struct inflate_state FAR *)source->state; + + /* allocate space */ + copy = (struct inflate_state FAR *) + ZALLOC(source, 1, sizeof(struct inflate_state)); + if (copy == Z_NULL) return Z_MEM_ERROR; + window = Z_NULL; + if (state->window != Z_NULL) { + window = (unsigned char FAR *) + ZALLOC(source, 1U << state->wbits, sizeof(unsigned char)); + if (window == Z_NULL) { + ZFREE(source, copy); + return Z_MEM_ERROR; + } + } + + /* copy state */ + zmemcpy(dest, source, sizeof(z_stream)); + zmemcpy(copy, state, sizeof(struct inflate_state)); + if (state->lencode >= state->codes && + state->lencode <= state->codes + ENOUGH - 1) { + copy->lencode = copy->codes + (state->lencode - state->codes); + copy->distcode = copy->codes + (state->distcode - state->codes); + } + copy->next = copy->codes + (state->next - state->codes); + if (window != Z_NULL) { + wsize = 1U << state->wbits; + zmemcpy(window, state->window, wsize); + } + copy->window = window; + dest->state = (struct internal_state FAR *)copy; + return Z_OK; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/inflate.h b/Build/source/libs/zlib/zlib-1.2.3/inflate.h new file mode 100644 index 00000000000..07bd3e78a7c --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/inflate.h @@ -0,0 +1,115 @@ +/* inflate.h -- internal inflate state definition + * Copyright (C) 1995-2004 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* define NO_GZIP when compiling if you want to disable gzip header and + trailer decoding by inflate(). NO_GZIP would be used to avoid linking in + the crc code when it is not needed. For shared libraries, gzip decoding + should be left enabled. */ +#ifndef NO_GZIP +# define GUNZIP +#endif + +/* Possible inflate modes between inflate() calls */ +typedef enum { + HEAD, /* i: waiting for magic header */ + FLAGS, /* i: waiting for method and flags (gzip) */ + TIME, /* i: waiting for modification time (gzip) */ + OS, /* i: waiting for extra flags and operating system (gzip) */ + EXLEN, /* i: waiting for extra length (gzip) */ + EXTRA, /* i: waiting for extra bytes (gzip) */ + NAME, /* i: waiting for end of file name (gzip) */ + COMMENT, /* i: waiting for end of comment (gzip) */ + HCRC, /* i: waiting for header crc (gzip) */ + DICTID, /* i: waiting for dictionary check value */ + DICT, /* waiting for inflateSetDictionary() call */ + TYPE, /* i: waiting for type bits, including last-flag bit */ + TYPEDO, /* i: same, but skip check to exit inflate on new block */ + STORED, /* i: waiting for stored size (length and complement) */ + COPY, /* i/o: waiting for input or output to copy stored block */ + TABLE, /* i: waiting for dynamic block table lengths */ + LENLENS, /* i: waiting for code length code lengths */ + CODELENS, /* i: waiting for length/lit and distance code lengths */ + LEN, /* i: waiting for length/lit code */ + LENEXT, /* i: waiting for length extra bits */ + DIST, /* i: waiting for distance code */ + DISTEXT, /* i: waiting for distance extra bits */ + MATCH, /* o: waiting for output space to copy string */ + LIT, /* o: waiting for output space to write literal */ + CHECK, /* i: waiting for 32-bit check value */ + LENGTH, /* i: waiting for 32-bit length (gzip) */ + DONE, /* finished check, done -- remain here until reset */ + BAD, /* got a data error -- remain here until reset */ + MEM, /* got an inflate() memory error -- remain here until reset */ + SYNC /* looking for synchronization bytes to restart inflate() */ +} inflate_mode; + +/* + State transitions between above modes - + + (most modes can go to the BAD or MEM mode -- not shown for clarity) + + Process header: + HEAD -> (gzip) or (zlib) + (gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME + NAME -> COMMENT -> HCRC -> TYPE + (zlib) -> DICTID or TYPE + DICTID -> DICT -> TYPE + Read deflate blocks: + TYPE -> STORED or TABLE or LEN or CHECK + STORED -> COPY -> TYPE + TABLE -> LENLENS -> CODELENS -> LEN + Read deflate codes: + LEN -> LENEXT or LIT or TYPE + LENEXT -> DIST -> DISTEXT -> MATCH -> LEN + LIT -> LEN + Process trailer: + CHECK -> LENGTH -> DONE + */ + +/* state maintained between inflate() calls. Approximately 7K bytes. */ +struct inflate_state { + inflate_mode mode; /* current inflate mode */ + int last; /* true if processing last block */ + int wrap; /* bit 0 true for zlib, bit 1 true for gzip */ + int havedict; /* true if dictionary provided */ + int flags; /* gzip header method and flags (0 if zlib) */ + unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */ + unsigned long check; /* protected copy of check value */ + unsigned long total; /* protected copy of output count */ + gz_headerp head; /* where to save gzip header information */ + /* sliding window */ + unsigned wbits; /* log base 2 of requested window size */ + unsigned wsize; /* window size or zero if not using window */ + unsigned whave; /* valid bytes in the window */ + unsigned write; /* window write index */ + unsigned char FAR *window; /* allocated sliding window, if needed */ + /* bit accumulator */ + unsigned long hold; /* input bit accumulator */ + unsigned bits; /* number of bits in "in" */ + /* for string and stored block copying */ + unsigned length; /* literal or length of data to copy */ + unsigned offset; /* distance back to copy string from */ + /* for table and code decoding */ + unsigned extra; /* extra bits needed */ + /* fixed and dynamic code tables */ + code const FAR *lencode; /* starting table for length/literal codes */ + code const FAR *distcode; /* starting table for distance codes */ + unsigned lenbits; /* index bits for lencode */ + unsigned distbits; /* index bits for distcode */ + /* dynamic table building */ + unsigned ncode; /* number of code length code lengths */ + unsigned nlen; /* number of length code lengths */ + unsigned ndist; /* number of distance code lengths */ + unsigned have; /* number of code lengths in lens[] */ + code FAR *next; /* next available space in codes[] */ + unsigned short lens[320]; /* temporary storage for code lengths */ + unsigned short work[288]; /* work area for code table building */ + code codes[ENOUGH]; /* space for code tables */ +}; diff --git a/Build/source/libs/zlib/zlib-1.2.3/inftrees.c b/Build/source/libs/zlib/zlib-1.2.3/inftrees.c new file mode 100644 index 00000000000..8a9c13ff03d --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/inftrees.c @@ -0,0 +1,329 @@ +/* inftrees.c -- generate Huffman trees for efficient decoding + * Copyright (C) 1995-2005 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +#include "zutil.h" +#include "inftrees.h" + +#define MAXBITS 15 + +const char inflate_copyright[] = + " inflate 1.2.3 Copyright 1995-2005 Mark Adler "; +/* + If you use the zlib library in a product, an acknowledgment is welcome + in the documentation of your product. If for some reason you cannot + include such an acknowledgment, I would appreciate that you keep this + copyright string in the executable of your product. + */ + +/* + Build a set of tables to decode the provided canonical Huffman code. + The code lengths are lens[0..codes-1]. The result starts at *table, + whose indices are 0..2^bits-1. work is a writable array of at least + lens shorts, which is used as a work area. type is the type of code + to be generated, CODES, LENS, or DISTS. On return, zero is success, + -1 is an invalid code, and +1 means that ENOUGH isn't enough. table + on return points to the next available entry's address. bits is the + requested root table index bits, and on return it is the actual root + table index bits. It will differ if the request is greater than the + longest code or if it is less than the shortest code. + */ +int inflate_table(type, lens, codes, table, bits, work) +codetype type; +unsigned short FAR *lens; +unsigned codes; +code FAR * FAR *table; +unsigned FAR *bits; +unsigned short FAR *work; +{ + unsigned len; /* a code's length in bits */ + unsigned sym; /* index of code symbols */ + unsigned min, max; /* minimum and maximum code lengths */ + unsigned root; /* number of index bits for root table */ + unsigned curr; /* number of index bits for current table */ + unsigned drop; /* code bits to drop for sub-table */ + int left; /* number of prefix codes available */ + unsigned used; /* code entries in table used */ + unsigned huff; /* Huffman code */ + unsigned incr; /* for incrementing code, index */ + unsigned fill; /* index for replicating entries */ + unsigned low; /* low bits for current root entry */ + unsigned mask; /* mask for low root bits */ + code this; /* table entry for duplication */ + code FAR *next; /* next available space in table */ + const unsigned short FAR *base; /* base value table to use */ + const unsigned short FAR *extra; /* extra bits table to use */ + int end; /* use base and extra for symbol > end */ + unsigned short count[MAXBITS+1]; /* number of codes of each length */ + unsigned short offs[MAXBITS+1]; /* offsets in table for each length */ + static const unsigned short lbase[31] = { /* Length codes 257..285 base */ + 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, + 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; + static const unsigned short lext[31] = { /* Length codes 257..285 extra */ + 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, + 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 201, 196}; + static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ + 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, + 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, + 8193, 12289, 16385, 24577, 0, 0}; + static const unsigned short dext[32] = { /* Distance codes 0..29 extra */ + 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, + 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, + 28, 28, 29, 29, 64, 64}; + + /* + Process a set of code lengths to create a canonical Huffman code. The + code lengths are lens[0..codes-1]. Each length corresponds to the + symbols 0..codes-1. The Huffman code is generated by first sorting the + symbols by length from short to long, and retaining the symbol order + for codes with equal lengths. Then the code starts with all zero bits + for the first code of the shortest length, and the codes are integer + increments for the same length, and zeros are appended as the length + increases. For the deflate format, these bits are stored backwards + from their more natural integer increment ordering, and so when the + decoding tables are built in the large loop below, the integer codes + are incremented backwards. + + This routine assumes, but does not check, that all of the entries in + lens[] are in the range 0..MAXBITS. The caller must assure this. + 1..MAXBITS is interpreted as that code length. zero means that that + symbol does not occur in this code. + + The codes are sorted by computing a count of codes for each length, + creating from that a table of starting indices for each length in the + sorted table, and then entering the symbols in order in the sorted + table. The sorted table is work[], with that space being provided by + the caller. + + The length counts are used for other purposes as well, i.e. finding + the minimum and maximum length codes, determining if there are any + codes at all, checking for a valid set of lengths, and looking ahead + at length counts to determine sub-table sizes when building the + decoding tables. + */ + + /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */ + for (len = 0; len <= MAXBITS; len++) + count[len] = 0; + for (sym = 0; sym < codes; sym++) + count[lens[sym]]++; + + /* bound code lengths, force root to be within code lengths */ + root = *bits; + for (max = MAXBITS; max >= 1; max--) + if (count[max] != 0) break; + if (root > max) root = max; + if (max == 0) { /* no symbols to code at all */ + this.op = (unsigned char)64; /* invalid code marker */ + this.bits = (unsigned char)1; + this.val = (unsigned short)0; + *(*table)++ = this; /* make a table to force an error */ + *(*table)++ = this; + *bits = 1; + return 0; /* no symbols, but wait for decoding to report error */ + } + for (min = 1; min <= MAXBITS; min++) + if (count[min] != 0) break; + if (root < min) root = min; + + /* check for an over-subscribed or incomplete set of lengths */ + left = 1; + for (len = 1; len <= MAXBITS; len++) { + left <<= 1; + left -= count[len]; + if (left < 0) return -1; /* over-subscribed */ + } + if (left > 0 && (type == CODES || max != 1)) + return -1; /* incomplete set */ + + /* generate offsets into symbol table for each length for sorting */ + offs[1] = 0; + for (len = 1; len < MAXBITS; len++) + offs[len + 1] = offs[len] + count[len]; + + /* sort symbols by length, by symbol order within each length */ + for (sym = 0; sym < codes; sym++) + if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym; + + /* + Create and fill in decoding tables. In this loop, the table being + filled is at next and has curr index bits. The code being used is huff + with length len. That code is converted to an index by dropping drop + bits off of the bottom. For codes where len is less than drop + curr, + those top drop + curr - len bits are incremented through all values to + fill the table with replicated entries. + + root is the number of index bits for the root table. When len exceeds + root, sub-tables are created pointed to by the root entry with an index + of the low root bits of huff. This is saved in low to check for when a + new sub-table should be started. drop is zero when the root table is + being filled, and drop is root when sub-tables are being filled. + + When a new sub-table is needed, it is necessary to look ahead in the + code lengths to determine what size sub-table is needed. The length + counts are used for this, and so count[] is decremented as codes are + entered in the tables. + + used keeps track of how many table entries have been allocated from the + provided *table space. It is checked when a LENS table is being made + against the space in *table, ENOUGH, minus the maximum space needed by + the worst case distance code, MAXD. This should never happen, but the + sufficiency of ENOUGH has not been proven exhaustively, hence the check. + This assumes that when type == LENS, bits == 9. + + sym increments through all symbols, and the loop terminates when + all codes of length max, i.e. all codes, have been processed. This + routine permits incomplete codes, so another loop after this one fills + in the rest of the decoding tables with invalid code markers. + */ + + /* set up for code type */ + switch (type) { + case CODES: + base = extra = work; /* dummy value--not used */ + end = 19; + break; + case LENS: + base = lbase; + base -= 257; + extra = lext; + extra -= 257; + end = 256; + break; + default: /* DISTS */ + base = dbase; + extra = dext; + end = -1; + } + + /* initialize state for loop */ + huff = 0; /* starting code */ + sym = 0; /* starting code symbol */ + len = min; /* starting code length */ + next = *table; /* current table to fill in */ + curr = root; /* current table index bits */ + drop = 0; /* current bits to drop from code for index */ + low = (unsigned)(-1); /* trigger new sub-table when len > root */ + used = 1U << root; /* use root table entries */ + mask = used - 1; /* mask for comparing low */ + + /* check available table space */ + if (type == LENS && used >= ENOUGH - MAXD) + return 1; + + /* process all codes and make table entries */ + for (;;) { + /* create table entry */ + this.bits = (unsigned char)(len - drop); + if ((int)(work[sym]) < end) { + this.op = (unsigned char)0; + this.val = work[sym]; + } + else if ((int)(work[sym]) > end) { + this.op = (unsigned char)(extra[work[sym]]); + this.val = base[work[sym]]; + } + else { + this.op = (unsigned char)(32 + 64); /* end of block */ + this.val = 0; + } + + /* replicate for those indices with low len bits equal to huff */ + incr = 1U << (len - drop); + fill = 1U << curr; + min = fill; /* save offset to next table */ + do { + fill -= incr; + next[(huff >> drop) + fill] = this; + } while (fill != 0); + + /* backwards increment the len-bit code huff */ + incr = 1U << (len - 1); + while (huff & incr) + incr >>= 1; + if (incr != 0) { + huff &= incr - 1; + huff += incr; + } + else + huff = 0; + + /* go to next symbol, update count, len */ + sym++; + if (--(count[len]) == 0) { + if (len == max) break; + len = lens[work[sym]]; + } + + /* create new sub-table if needed */ + if (len > root && (huff & mask) != low) { + /* if first time, transition to sub-tables */ + if (drop == 0) + drop = root; + + /* increment past last table */ + next += min; /* here min is 1 << curr */ + + /* determine length of next table */ + curr = len - drop; + left = (int)(1 << curr); + while (curr + drop < max) { + left -= count[curr + drop]; + if (left <= 0) break; + curr++; + left <<= 1; + } + + /* check for enough space */ + used += 1U << curr; + if (type == LENS && used >= ENOUGH - MAXD) + return 1; + + /* point entry in root table to sub-table */ + low = huff & mask; + (*table)[low].op = (unsigned char)curr; + (*table)[low].bits = (unsigned char)root; + (*table)[low].val = (unsigned short)(next - *table); + } + } + + /* + Fill in rest of table for incomplete codes. This loop is similar to the + loop above in incrementing huff for table indices. It is assumed that + len is equal to curr + drop, so there is no loop needed to increment + through high index bits. When the current sub-table is filled, the loop + drops back to the root table to fill in any remaining entries there. + */ + this.op = (unsigned char)64; /* invalid code marker */ + this.bits = (unsigned char)(len - drop); + this.val = (unsigned short)0; + while (huff != 0) { + /* when done with sub-table, drop back to root table */ + if (drop != 0 && (huff & mask) != low) { + drop = 0; + len = root; + next = *table; + this.bits = (unsigned char)len; + } + + /* put invalid code marker in table */ + next[huff >> drop] = this; + + /* backwards increment the len-bit code huff */ + incr = 1U << (len - 1); + while (huff & incr) + incr >>= 1; + if (incr != 0) { + huff &= incr - 1; + huff += incr; + } + else + huff = 0; + } + + /* set return parameters */ + *table += used; + *bits = root; + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/inftrees.h b/Build/source/libs/zlib/zlib-1.2.3/inftrees.h new file mode 100644 index 00000000000..b1104c87e76 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/inftrees.h @@ -0,0 +1,55 @@ +/* inftrees.h -- header to use inftrees.c + * Copyright (C) 1995-2005 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* Structure for decoding tables. Each entry provides either the + information needed to do the operation requested by the code that + indexed that table entry, or it provides a pointer to another + table that indexes more bits of the code. op indicates whether + the entry is a pointer to another table, a literal, a length or + distance, an end-of-block, or an invalid code. For a table + pointer, the low four bits of op is the number of index bits of + that table. For a length or distance, the low four bits of op + is the number of extra bits to get after the code. bits is + the number of bits in this code or part of the code to drop off + of the bit buffer. val is the actual byte to output in the case + of a literal, the base length or distance, or the offset from + the current table to the next table. Each entry is four bytes. */ +typedef struct { + unsigned char op; /* operation, extra bits, table bits */ + unsigned char bits; /* bits in this part of the code */ + unsigned short val; /* offset in table or code value */ +} code; + +/* op values as set by inflate_table(): + 00000000 - literal + 0000tttt - table link, tttt != 0 is the number of table index bits + 0001eeee - length or distance, eeee is the number of extra bits + 01100000 - end of block + 01000000 - invalid code + */ + +/* Maximum size of dynamic tree. The maximum found in a long but non- + exhaustive search was 1444 code structures (852 for length/literals + and 592 for distances, the latter actually the result of an + exhaustive search). The true maximum is not known, but the value + below is more than safe. */ +#define ENOUGH 2048 +#define MAXD 592 + +/* Type of code to build for inftable() */ +typedef enum { + CODES, + LENS, + DISTS +} codetype; + +extern int inflate_table OF((codetype type, unsigned short FAR *lens, + unsigned codes, code FAR * FAR *table, + unsigned FAR *bits, unsigned short FAR *work)); diff --git a/Build/source/libs/zlib/zlib-1.2.3/make_vms.com b/Build/source/libs/zlib/zlib-1.2.3/make_vms.com new file mode 100644 index 00000000000..c2a1fb54b2f --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/make_vms.com @@ -0,0 +1,461 @@ +$! make libz under VMS written by +$! Martin P.J. Zinser +$! +$! +$ on error then goto err_exit +$! +$! +$! Just some general constants... +$! +$ true = 1 +$ false = 0 +$ tmpnam = "temp_" + f$getjpi("","pid") +$ SAY = "WRITE SYS$OUTPUT" +$! +$! Setup variables holding "config" information +$! +$ Make = "" +$ name = "Zlib" +$ version = "?.?.?" +$ v_string = "ZLIB_VERSION" +$ v_file = "zlib.h" +$ ccopt = "" +$ lopts = "" +$ linkonly = false +$ optfile = name + ".opt" +$ its_decc = false +$ its_vaxc = false +$ its_gnuc = false +$ axp = f$getsyi("HW_MODEL").ge.1024 +$ s_case = false +$! Check for MMK/MMS +$! +$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS" +$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK" +$! +$! +$ gosub find_version +$! +$ gosub check_opts +$! +$! Look for the compiler used +$! +$ gosub check_compiler +$ if its_decc +$ then +$ ccopt = "/prefix=all" + ccopt +$ if f$trnlnm("SYS") .eqs. "" +$ then +$ if axp +$ then +$ define sys sys$library: +$ else +$ ccopt = "/decc" + ccopt +$ define sys decc$library_include: +$ endif +$ endif +$ endif +$ if its_vaxc .or. its_gnuc +$ then +$ if f$trnlnm("SYS").eqs."" then define sys sys$library: +$ endif +$! +$! Build the thing plain or with mms +$! +$ write sys$output "Compiling Zlib sources ..." +$ if make.eqs."" +$ then +$ dele example.obj;*,minigzip.obj;* +$ CALL MAKE adler32.OBJ "CC ''CCOPT' adler32" - + adler32.c zlib.h zconf.h +$ CALL MAKE compress.OBJ "CC ''CCOPT' compress" - + compress.c zlib.h zconf.h +$ CALL MAKE crc32.OBJ "CC ''CCOPT' crc32" - + crc32.c zlib.h zconf.h +$ CALL MAKE deflate.OBJ "CC ''CCOPT' deflate" - + deflate.c deflate.h zutil.h zlib.h zconf.h +$ CALL MAKE gzio.OBJ "CC ''CCOPT' gzio" - + gzio.c zutil.h zlib.h zconf.h +$ CALL MAKE infback.OBJ "CC ''CCOPT' infback" - + infback.c zutil.h inftrees.h inflate.h inffast.h inffixed.h +$ CALL MAKE inffast.OBJ "CC ''CCOPT' inffast" - + inffast.c zutil.h zlib.h zconf.h inffast.h +$ CALL MAKE inflate.OBJ "CC ''CCOPT' inflate" - + inflate.c zutil.h zlib.h zconf.h infblock.h +$ CALL MAKE inftrees.OBJ "CC ''CCOPT' inftrees" - + inftrees.c zutil.h zlib.h zconf.h inftrees.h +$ CALL MAKE trees.OBJ "CC ''CCOPT' trees" - + trees.c deflate.h zutil.h zlib.h zconf.h +$ CALL MAKE uncompr.OBJ "CC ''CCOPT' uncompr" - + uncompr.c zlib.h zconf.h +$ CALL MAKE zutil.OBJ "CC ''CCOPT' zutil" - + zutil.c zutil.h zlib.h zconf.h +$ write sys$output "Building Zlib ..." +$ CALL MAKE libz.OLB "lib/crea libz.olb *.obj" *.OBJ +$ write sys$output "Building example..." +$ CALL MAKE example.OBJ "CC ''CCOPT' example" - + example.c zlib.h zconf.h +$ call make example.exe "LINK example,libz.olb/lib" example.obj libz.olb +$ if f$search("x11vms:xvmsutils.olb") .nes. "" +$ then +$ write sys$output "Building minigzip..." +$ CALL MAKE minigzip.OBJ "CC ''CCOPT' minigzip" - + minigzip.c zlib.h zconf.h +$ call make minigzip.exe - + "LINK minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib" - + minigzip.obj libz.olb +$ endif +$ else +$ gosub crea_mms +$ SAY "Make ''name' ''version' with ''Make' " +$ 'make' +$ endif +$! +$! Alpha gets a shareable image +$! +$ If axp +$ Then +$ gosub crea_olist +$ write sys$output "Creating libzshr.exe" +$ call anal_obj_axp modules.opt _link.opt +$ if s_case +$ then +$ open/append optf modules.opt +$ write optf "case_sensitive=YES" +$ close optf +$ endif +$ LINK_'lopts'/SHARE=libzshr.exe modules.opt/opt,_link.opt/opt +$ endif +$ write sys$output "Zlib build completed" +$ exit +$CC_ERR: +$ write sys$output "C compiler required to build ''name'" +$ goto err_exit +$ERR_EXIT: +$ set message/facil/ident/sever/text +$ write sys$output "Exiting..." +$ exit 2 +$! +$! +$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES +$ V = 'F$Verify(0) +$! P1 = What we are trying to make +$! P2 = Command to make it +$! P3 - P8 What it depends on +$ +$ If F$Search(P1) .Eqs. "" Then Goto Makeit +$ Time = F$CvTime(F$File(P1,"RDT")) +$arg=3 +$Loop: +$ Argument = P'arg +$ If Argument .Eqs. "" Then Goto Exit +$ El=0 +$Loop2: +$ File = F$Element(El," ",Argument) +$ If File .Eqs. " " Then Goto Endl +$ AFile = "" +$Loop3: +$ OFile = AFile +$ AFile = F$Search(File) +$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl +$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit +$ Goto Loop3 +$NextEL: +$ El = El + 1 +$ Goto Loop2 +$EndL: +$ arg=arg+1 +$ If arg .Le. 8 Then Goto Loop +$ Goto Exit +$ +$Makeit: +$ VV=F$VERIFY(0) +$ write sys$output P2 +$ 'P2 +$ VV='F$Verify(VV) +$Exit: +$ If V Then Set Verify +$ENDSUBROUTINE +$!------------------------------------------------------------------------------ +$! +$! Check command line options and set symbols accordingly +$! +$ CHECK_OPTS: +$ i = 1 +$ OPT_LOOP: +$ if i .lt. 9 +$ then +$ cparm = f$edit(p'i',"upcase") +$ if cparm .eqs. "DEBUG" +$ then +$ ccopt = ccopt + "/noopt/deb" +$ lopts = lopts + "/deb" +$ endif +$ if f$locate("CCOPT=",cparm) .lt. f$length(cparm) +$ then +$ start = f$locate("=",cparm) + 1 +$ len = f$length(cparm) - start +$ ccopt = ccopt + f$extract(start,len,cparm) +$ if f$locate("AS_IS",f$edit(ccopt,"UPCASE")) .lt. f$length(ccopt) - + then s_case = true +$ endif +$ if cparm .eqs. "LINK" then linkonly = true +$ if f$locate("LOPTS=",cparm) .lt. f$length(cparm) +$ then +$ start = f$locate("=",cparm) + 1 +$ len = f$length(cparm) - start +$ lopts = lopts + f$extract(start,len,cparm) +$ endif +$ if f$locate("CC=",cparm) .lt. f$length(cparm) +$ then +$ start = f$locate("=",cparm) + 1 +$ len = f$length(cparm) - start +$ cc_com = f$extract(start,len,cparm) + if (cc_com .nes. "DECC") .and. - + (cc_com .nes. "VAXC") .and. - + (cc_com .nes. "GNUC") +$ then +$ write sys$output "Unsupported compiler choice ''cc_com' ignored" +$ write sys$output "Use DECC, VAXC, or GNUC instead" +$ else +$ if cc_com .eqs. "DECC" then its_decc = true +$ if cc_com .eqs. "VAXC" then its_vaxc = true +$ if cc_com .eqs. "GNUC" then its_gnuc = true +$ endif +$ endif +$ if f$locate("MAKE=",cparm) .lt. f$length(cparm) +$ then +$ start = f$locate("=",cparm) + 1 +$ len = f$length(cparm) - start +$ mmks = f$extract(start,len,cparm) +$ if (mmks .eqs. "MMK") .or. (mmks .eqs. "MMS") +$ then +$ make = mmks +$ else +$ write sys$output "Unsupported make choice ''mmks' ignored" +$ write sys$output "Use MMK or MMS instead" +$ endif +$ endif +$ i = i + 1 +$ goto opt_loop +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! Look for the compiler used +$! +$CHECK_COMPILER: +$ if (.not. (its_decc .or. its_vaxc .or. its_gnuc)) +$ then +$ its_decc = (f$search("SYS$SYSTEM:DECC$COMPILER.EXE") .nes. "") +$ its_vaxc = .not. its_decc .and. (F$Search("SYS$System:VAXC.Exe") .nes. "") +$ its_gnuc = .not. (its_decc .or. its_vaxc) .and. (f$trnlnm("gnu_cc") .nes. "") +$ endif +$! +$! Exit if no compiler available +$! +$ if (.not. (its_decc .or. its_vaxc .or. its_gnuc)) +$ then goto CC_ERR +$ else +$ if its_decc then write sys$output "CC compiler check ... Compaq C" +$ if its_vaxc then write sys$output "CC compiler check ... VAX C" +$ if its_gnuc then write sys$output "CC compiler check ... GNU C" +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! If MMS/MMK are available dump out the descrip.mms if required +$! +$CREA_MMS: +$ write sys$output "Creating descrip.mms..." +$ create descrip.mms +$ open/append out descrip.mms +$ copy sys$input: out +$ deck +# descrip.mms: MMS description file for building zlib on VMS +# written by Martin P.J. Zinser +# + +OBJS = adler32.obj, compress.obj, crc32.obj, gzio.obj, uncompr.obj, infback.obj\ + deflate.obj, trees.obj, zutil.obj, inflate.obj, \ + inftrees.obj, inffast.obj + +$ eod +$ write out "CFLAGS=", ccopt +$ write out "LOPTS=", lopts +$ copy sys$input: out +$ deck + +all : example.exe minigzip.exe libz.olb + @ write sys$output " Example applications available" + +libz.olb : libz.olb($(OBJS)) + @ write sys$output " libz available" + +example.exe : example.obj libz.olb + link $(LOPTS) example,libz.olb/lib + +minigzip.exe : minigzip.obj libz.olb + link $(LOPTS) minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib + +clean : + delete *.obj;*,libz.olb;*,*.opt;*,*.exe;* + + +# Other dependencies. +adler32.obj : adler32.c zutil.h zlib.h zconf.h +compress.obj : compress.c zlib.h zconf.h +crc32.obj : crc32.c zutil.h zlib.h zconf.h +deflate.obj : deflate.c deflate.h zutil.h zlib.h zconf.h +example.obj : example.c zlib.h zconf.h +gzio.obj : gzio.c zutil.h zlib.h zconf.h +inffast.obj : inffast.c zutil.h zlib.h zconf.h inftrees.h inffast.h +inflate.obj : inflate.c zutil.h zlib.h zconf.h +inftrees.obj : inftrees.c zutil.h zlib.h zconf.h inftrees.h +minigzip.obj : minigzip.c zlib.h zconf.h +trees.obj : trees.c deflate.h zutil.h zlib.h zconf.h +uncompr.obj : uncompr.c zlib.h zconf.h +zutil.obj : zutil.c zutil.h zlib.h zconf.h +infback.obj : infback.c zutil.h inftrees.h inflate.h inffast.h inffixed.h +$ eod +$ close out +$ return +$!------------------------------------------------------------------------------ +$! +$! Read list of core library sources from makefile.in and create options +$! needed to build shareable image +$! +$CREA_OLIST: +$ open/read min makefile.in +$ open/write mod modules.opt +$ src_check = "OBJS =" +$MRLOOP: +$ read/end=mrdone min rec +$ if (f$extract(0,6,rec) .nes. src_check) then goto mrloop +$ rec = rec - src_check +$ gosub extra_filnam +$ if (f$element(1,"\",rec) .eqs. "\") then goto mrdone +$MRSLOOP: +$ read/end=mrdone min rec +$ gosub extra_filnam +$ if (f$element(1,"\",rec) .nes. "\") then goto mrsloop +$MRDONE: +$ close min +$ close mod +$ return +$!------------------------------------------------------------------------------ +$! +$! Take record extracted in crea_olist and split it into single filenames +$! +$EXTRA_FILNAM: +$ myrec = f$edit(rec - "\", "trim,compress") +$ i = 0 +$FELOOP: +$ srcfil = f$element(i," ", myrec) +$ if (srcfil .nes. " ") +$ then +$ write mod f$parse(srcfil,,,"NAME"), ".obj" +$ i = i + 1 +$ goto feloop +$ endif +$ return +$!------------------------------------------------------------------------------ +$! +$! Find current Zlib version number +$! +$FIND_VERSION: +$ open/read h_in 'v_file' +$hloop: +$ read/end=hdone h_in rec +$ rec = f$edit(rec,"TRIM") +$ if (f$extract(0,1,rec) .nes. "#") then goto hloop +$ rec = f$edit(rec - "#", "TRIM") +$ if f$element(0," ",rec) .nes. "define" then goto hloop +$ if f$element(1," ",rec) .eqs. v_string +$ then +$ version = 'f$element(2," ",rec)' +$ goto hdone +$ endif +$ goto hloop +$hdone: +$ close h_in +$ return +$!------------------------------------------------------------------------------ +$! +$! Analyze Object files for OpenVMS AXP to extract Procedure and Data +$! information to build a symbol vector for a shareable image +$! All the "brains" of this logic was suggested by Hartmut Becker +$! (Hartmut.Becker@compaq.com). All the bugs were introduced by me +$! (zinser@decus.de), so if you do have problem reports please do not +$! bother Hartmut/HP, but get in touch with me +$! +$ ANAL_OBJ_AXP: Subroutine +$ V = 'F$Verify(0) +$ SAY := "WRITE_ SYS$OUTPUT" +$ +$ IF F$SEARCH("''P1'") .EQS. "" +$ THEN +$ SAY "ANAL_OBJ_AXP-E-NOSUCHFILE: Error, inputfile ''p1' not available" +$ goto exit_aa +$ ENDIF +$ IF "''P2'" .EQS. "" +$ THEN +$ SAY "ANAL_OBJ_AXP: Error, no output file provided" +$ goto exit_aa +$ ENDIF +$ +$ open/read in 'p1 +$ create a.tmp +$ open/append atmp a.tmp +$ loop: +$ read/end=end_loop in line +$ f= f$search(line) +$ if f .eqs. "" +$ then +$ write sys$output "ANAL_OBJ_AXP-w-nosuchfile, ''line'" +$ goto loop +$ endif +$ define/user sys$output nl: +$ define/user sys$error nl: +$ anal/obj/gsd 'f /out=x.tmp +$ open/read xtmp x.tmp +$ XLOOP: +$ read/end=end_xloop xtmp xline +$ xline = f$edit(xline,"compress") +$ write atmp xline +$ goto xloop +$ END_XLOOP: +$ close xtmp +$ goto loop +$ end_loop: +$ close in +$ close atmp +$ if f$search("a.tmp") .eqs. "" - + then $ exit +$ ! all global definitions +$ search a.tmp "symbol:","EGSY$V_DEF 1","EGSY$V_NORM 1"/out=b.tmp +$ ! all procedures +$ search b.tmp "EGSY$V_NORM 1"/wind=(0,1) /out=c.tmp +$ search c.tmp "symbol:"/out=d.tmp +$ define/user sys$output nl: +$ edito/edt/command=sys$input d.tmp +sub/symbol: "/symbol_vector=(/whole +sub/"/=PROCEDURE)/whole +exit +$ ! all data +$ search b.tmp "EGSY$V_DEF 1"/wind=(0,1) /out=e.tmp +$ search e.tmp "symbol:"/out=f.tmp +$ define/user sys$output nl: +$ edito/edt/command=sys$input f.tmp +sub/symbol: "/symbol_vector=(/whole +sub/"/=DATA)/whole +exit +$ sort/nodupl d.tmp,f.tmp 'p2' +$ delete a.tmp;*,b.tmp;*,c.tmp;*,d.tmp;*,e.tmp;*,f.tmp;* +$ if f$search("x.tmp") .nes. "" - + then $ delete x.tmp;* +$! +$ EXIT_AA: +$ if V then set verify +$ endsubroutine +$!------------------------------------------------------------------------------ diff --git a/Build/source/libs/zlib/zlib-1.2.3/minigzip.c b/Build/source/libs/zlib/zlib-1.2.3/minigzip.c new file mode 100644 index 00000000000..4524b96a1d6 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/minigzip.c @@ -0,0 +1,322 @@ +/* minigzip.c -- simulate gzip using the zlib compression library + * Copyright (C) 1995-2005 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * minigzip is a minimal implementation of the gzip utility. This is + * only an example of using zlib and isn't meant to replace the + * full-featured gzip. No attempt is made to deal with file systems + * limiting names to 14 or 8+3 characters, etc... Error checking is + * very limited. So use minigzip only for testing; use gzip for the + * real thing. On MSDOS, use only on file names without extension + * or in pipe mode. + */ + +/* @(#) $Id$ */ + +#include +#include "zlib.h" + +#ifdef STDC +# include +# include +#endif + +#ifdef USE_MMAP +# include +# include +# include +#endif + +#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__) +# include +# include +# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) +#else +# define SET_BINARY_MODE(file) +#endif + +#ifdef VMS +# define unlink delete +# define GZ_SUFFIX "-gz" +#endif +#ifdef RISCOS +# define unlink remove +# define GZ_SUFFIX "-gz" +# define fileno(file) file->__file +#endif +#if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os +# include /* for fileno */ +#endif + +#ifndef WIN32 /* unlink already in stdio.h for WIN32 */ + extern int unlink OF((const char *)); +#endif + +#ifndef GZ_SUFFIX +# define GZ_SUFFIX ".gz" +#endif +#define SUFFIX_LEN (sizeof(GZ_SUFFIX)-1) + +#define BUFLEN 16384 +#define MAX_NAME_LEN 1024 + +#ifdef MAXSEG_64K +# define local static + /* Needed for systems with limitation on stack size. */ +#else +# define local +#endif + +char *prog; + +void error OF((const char *msg)); +void gz_compress OF((FILE *in, gzFile out)); +#ifdef USE_MMAP +int gz_compress_mmap OF((FILE *in, gzFile out)); +#endif +void gz_uncompress OF((gzFile in, FILE *out)); +void file_compress OF((char *file, char *mode)); +void file_uncompress OF((char *file)); +int main OF((int argc, char *argv[])); + +/* =========================================================================== + * Display error message and exit + */ +void error(msg) + const char *msg; +{ + fprintf(stderr, "%s: %s\n", prog, msg); + exit(1); +} + +/* =========================================================================== + * Compress input to output then close both files. + */ + +void gz_compress(in, out) + FILE *in; + gzFile out; +{ + local char buf[BUFLEN]; + int len; + int err; + +#ifdef USE_MMAP + /* Try first compressing with mmap. If mmap fails (minigzip used in a + * pipe), use the normal fread loop. + */ + if (gz_compress_mmap(in, out) == Z_OK) return; +#endif + for (;;) { + len = (int)fread(buf, 1, sizeof(buf), in); + if (ferror(in)) { + perror("fread"); + exit(1); + } + if (len == 0) break; + + if (gzwrite(out, buf, (unsigned)len) != len) error(gzerror(out, &err)); + } + fclose(in); + if (gzclose(out) != Z_OK) error("failed gzclose"); +} + +#ifdef USE_MMAP /* MMAP version, Miguel Albrecht */ + +/* Try compressing the input file at once using mmap. Return Z_OK if + * if success, Z_ERRNO otherwise. + */ +int gz_compress_mmap(in, out) + FILE *in; + gzFile out; +{ + int len; + int err; + int ifd = fileno(in); + caddr_t buf; /* mmap'ed buffer for the entire input file */ + off_t buf_len; /* length of the input file */ + struct stat sb; + + /* Determine the size of the file, needed for mmap: */ + if (fstat(ifd, &sb) < 0) return Z_ERRNO; + buf_len = sb.st_size; + if (buf_len <= 0) return Z_ERRNO; + + /* Now do the actual mmap: */ + buf = mmap((caddr_t) 0, buf_len, PROT_READ, MAP_SHARED, ifd, (off_t)0); + if (buf == (caddr_t)(-1)) return Z_ERRNO; + + /* Compress the whole file at once: */ + len = gzwrite(out, (char *)buf, (unsigned)buf_len); + + if (len != (int)buf_len) error(gzerror(out, &err)); + + munmap(buf, buf_len); + fclose(in); + if (gzclose(out) != Z_OK) error("failed gzclose"); + return Z_OK; +} +#endif /* USE_MMAP */ + +/* =========================================================================== + * Uncompress input to output then close both files. + */ +void gz_uncompress(in, out) + gzFile in; + FILE *out; +{ + local char buf[BUFLEN]; + int len; + int err; + + for (;;) { + len = gzread(in, buf, sizeof(buf)); + if (len < 0) error (gzerror(in, &err)); + if (len == 0) break; + + if ((int)fwrite(buf, 1, (unsigned)len, out) != len) { + error("failed fwrite"); + } + } + if (fclose(out)) error("failed fclose"); + + if (gzclose(in) != Z_OK) error("failed gzclose"); +} + + +/* =========================================================================== + * Compress the given file: create a corresponding .gz file and remove the + * original. + */ +void file_compress(file, mode) + char *file; + char *mode; +{ + local char outfile[MAX_NAME_LEN]; + FILE *in; + gzFile out; + + strcpy(outfile, file); + strcat(outfile, GZ_SUFFIX); + + in = fopen(file, "rb"); + if (in == NULL) { + perror(file); + exit(1); + } + out = gzopen(outfile, mode); + if (out == NULL) { + fprintf(stderr, "%s: can't gzopen %s\n", prog, outfile); + exit(1); + } + gz_compress(in, out); + + unlink(file); +} + + +/* =========================================================================== + * Uncompress the given file and remove the original. + */ +void file_uncompress(file) + char *file; +{ + local char buf[MAX_NAME_LEN]; + char *infile, *outfile; + FILE *out; + gzFile in; + uInt len = (uInt)strlen(file); + + strcpy(buf, file); + + if (len > SUFFIX_LEN && strcmp(file+len-SUFFIX_LEN, GZ_SUFFIX) == 0) { + infile = file; + outfile = buf; + outfile[len-3] = '\0'; + } else { + outfile = file; + infile = buf; + strcat(infile, GZ_SUFFIX); + } + in = gzopen(infile, "rb"); + if (in == NULL) { + fprintf(stderr, "%s: can't gzopen %s\n", prog, infile); + exit(1); + } + out = fopen(outfile, "wb"); + if (out == NULL) { + perror(file); + exit(1); + } + + gz_uncompress(in, out); + + unlink(infile); +} + + +/* =========================================================================== + * Usage: minigzip [-d] [-f] [-h] [-r] [-1 to -9] [files...] + * -d : decompress + * -f : compress with Z_FILTERED + * -h : compress with Z_HUFFMAN_ONLY + * -r : compress with Z_RLE + * -1 to -9 : compression level + */ + +int main(argc, argv) + int argc; + char *argv[]; +{ + int uncompr = 0; + gzFile file; + char outmode[20]; + + strcpy(outmode, "wb6 "); + + prog = argv[0]; + argc--, argv++; + + while (argc > 0) { + if (strcmp(*argv, "-d") == 0) + uncompr = 1; + else if (strcmp(*argv, "-f") == 0) + outmode[3] = 'f'; + else if (strcmp(*argv, "-h") == 0) + outmode[3] = 'h'; + else if (strcmp(*argv, "-r") == 0) + outmode[3] = 'R'; + else if ((*argv)[0] == '-' && (*argv)[1] >= '1' && (*argv)[1] <= '9' && + (*argv)[2] == 0) + outmode[2] = (*argv)[1]; + else + break; + argc--, argv++; + } + if (outmode[3] == ' ') + outmode[3] = 0; + if (argc == 0) { + SET_BINARY_MODE(stdin); + SET_BINARY_MODE(stdout); + if (uncompr) { + file = gzdopen(fileno(stdin), "rb"); + if (file == NULL) error("can't gzdopen stdin"); + gz_uncompress(file, stdout); + } else { + file = gzdopen(fileno(stdout), outmode); + if (file == NULL) error("can't gzdopen stdout"); + gz_compress(stdin, file); + } + } else { + do { + if (uncompr) { + file_uncompress(*argv); + } else { + file_compress(*argv, outmode); + } + } while (argv++, --argc); + } + return 0; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.bor b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.bor new file mode 100644 index 00000000000..8f8132d1223 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.bor @@ -0,0 +1,109 @@ +# Makefile for zlib +# Borland C++ +# Last updated: 15-Mar-2003 + +# To use, do "make -fmakefile.bor" +# To compile in small model, set below: MODEL=s + +# WARNING: the small model is supported but only for small values of +# MAX_WBITS and MAX_MEM_LEVEL. For example: +# -DMAX_WBITS=11 -DDEF_WBITS=11 -DMAX_MEM_LEVEL=3 +# If you wish to reduce the memory requirements (default 256K for big +# objects plus a few K), you can add to the LOC macro below: +# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 +# See zconf.h for details about the memory requirements. + +# ------------ Turbo C++, Borland C++ ------------ + +# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) +# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added +# to the declaration of LOC here: +LOC = $(LOCAL_ZLIB) + +# type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc. +CPU_TYP = 0 + +# memory model: one of s, m, c, l (small, medium, compact, large) +MODEL=l + +# replace bcc with tcc for Turbo C++ 1.0, with bcc32 for the 32 bit version +CC=bcc +LD=bcc +AR=tlib + +# compiler flags +# replace "-O2" by "-O -G -a -d" for Turbo C++ 1.0 +CFLAGS=-O2 -Z -m$(MODEL) $(LOC) + +LDFLAGS=-m$(MODEL) -f- + + +# variables +ZLIB_LIB = zlib_$(MODEL).lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj +OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infback.obj +OBJP2 = +inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(CFLAGS) $*.c + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzio.obj: gzio.c zutil.h zlib.h zconf.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: example.c zlib.h zconf.h + +minigzip.obj: minigzip.c zlib.h zconf.h + + +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) + -del $(ZLIB_LIB) + $(AR) $(ZLIB_LIB) $(OBJP1) + $(AR) $(ZLIB_LIB) $(OBJP2) + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) + +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +clean: + -del *.obj + -del *.lib + -del *.exe + -del zlib_*.bak + -del foo.gz diff --git a/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.dj2 b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.dj2 new file mode 100644 index 00000000000..283d1d96160 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.dj2 @@ -0,0 +1,104 @@ +# Makefile for zlib. Modified for djgpp v2.0 by F. J. Donahoe, 3/15/96. +# Copyright (C) 1995-1998 Jean-loup Gailly. +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, or to compile and test, type: +# +# make -fmakefile.dj2; make test -fmakefile.dj2 +# +# To install libz.a, zconf.h and zlib.h in the djgpp directories, type: +# +# make install -fmakefile.dj2 +# +# after first defining LIBRARY_PATH and INCLUDE_PATH in djgpp.env as +# in the sample below if the pattern of the DJGPP distribution is to +# be followed. Remember that, while 'es around <=> are ignored in +# makefiles, they are *not* in batch files or in djgpp.env. +# - - - - - +# [make] +# INCLUDE_PATH=%\>;INCLUDE_PATH%%\DJDIR%\include +# LIBRARY_PATH=%\>;LIBRARY_PATH%%\DJDIR%\lib +# BUTT=-m486 +# - - - - - +# Alternately, these variables may be defined below, overriding the values +# in djgpp.env, as +# INCLUDE_PATH=c:\usr\include +# LIBRARY_PATH=c:\usr\lib + +CC=gcc + +#CFLAGS=-MMD -O +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-MMD -g -DDEBUG +CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ + -Wstrict-prototypes -Wmissing-prototypes + +# If cp.exe is available, replace "copy /Y" with "cp -fp" . +CP=copy /Y +# If gnu install.exe is available, replace $(CP) with ginstall. +INSTALL=$(CP) +# The default value of RM is "rm -f." If "rm.exe" is found, comment out: +RM=del +LDLIBS=-L. -lz +LD=$(CC) -s -o +LDSHARED=$(CC) + +INCL=zlib.h zconf.h +LIBS=libz.a + +AR=ar rcs + +prefix=/usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \ + zutil.o inflate.o infback.o inftrees.o inffast.o + +OBJA = +# to use the asm code: make OBJA=match.o + +TEST_OBJS = example.o minigzip.o + +all: example.exe minigzip.exe + +check: test +test: all + ./example + echo hello world | .\minigzip | .\minigzip -d + +%.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + +libz.a: $(OBJS) $(OBJA) + $(AR) $@ $(OBJS) $(OBJA) + +%.exe : %.o $(LIBS) + $(LD) $@ $< $(LDLIBS) + +# INCLUDE_PATH and LIBRARY_PATH were set for [make] in djgpp.env . + +.PHONY : uninstall clean + +install: $(INCL) $(LIBS) + -@if not exist $(INCLUDE_PATH)\nul mkdir $(INCLUDE_PATH) + -@if not exist $(LIBRARY_PATH)\nul mkdir $(LIBRARY_PATH) + $(INSTALL) zlib.h $(INCLUDE_PATH) + $(INSTALL) zconf.h $(INCLUDE_PATH) + $(INSTALL) libz.a $(LIBRARY_PATH) + +uninstall: + $(RM) $(INCLUDE_PATH)\zlib.h + $(RM) $(INCLUDE_PATH)\zconf.h + $(RM) $(LIBRARY_PATH)\libz.a + +clean: + $(RM) *.d + $(RM) *.o + $(RM) *.exe + $(RM) libz.a + $(RM) foo.gz + +DEPS := $(wildcard *.d) +ifneq ($(DEPS),) +include $(DEPS) +endif diff --git a/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.emx b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.emx new file mode 100644 index 00000000000..ed4c31fbbde --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.emx @@ -0,0 +1,69 @@ +# Makefile for zlib. Modified for emx 0.9c by Chr. Spieler, 6/17/98. +# Copyright (C) 1995-1998 Jean-loup Gailly. +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, or to compile and test, type: +# +# make -fmakefile.emx; make test -fmakefile.emx +# + +CC=gcc + +#CFLAGS=-MMD -O +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-MMD -g -DDEBUG +CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ + -Wstrict-prototypes -Wmissing-prototypes + +# If cp.exe is available, replace "copy /Y" with "cp -fp" . +CP=copy /Y +# If gnu install.exe is available, replace $(CP) with ginstall. +INSTALL=$(CP) +# The default value of RM is "rm -f." If "rm.exe" is found, comment out: +RM=del +LDLIBS=-L. -lzlib +LD=$(CC) -s -o +LDSHARED=$(CC) + +INCL=zlib.h zconf.h +LIBS=zlib.a + +AR=ar rcs + +prefix=/usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \ + zutil.o inflate.o infback.o inftrees.o inffast.o + +TEST_OBJS = example.o minigzip.o + +all: example.exe minigzip.exe + +test: all + ./example + echo hello world | .\minigzip | .\minigzip -d + +%.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + +zlib.a: $(OBJS) + $(AR) $@ $(OBJS) + +%.exe : %.o $(LIBS) + $(LD) $@ $< $(LDLIBS) + + +.PHONY : clean + +clean: + $(RM) *.d + $(RM) *.o + $(RM) *.exe + $(RM) zlib.a + $(RM) foo.gz + +DEPS := $(wildcard *.d) +ifneq ($(DEPS),) +include $(DEPS) +endif diff --git a/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.msc b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.msc new file mode 100644 index 00000000000..b8fc665efba --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.msc @@ -0,0 +1,106 @@ +# Makefile for zlib +# Microsoft C 5.1 or later +# Last updated: 19-Mar-2003 + +# To use, do "make makefile.msc" +# To compile in small model, set below: MODEL=S + +# If you wish to reduce the memory requirements (default 256K for big +# objects plus a few K), you can add to the LOC macro below: +# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 +# See zconf.h for details about the memory requirements. + +# ------------- Microsoft C 5.1 and later ------------- + +# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) +# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or added +# to the declaration of LOC here: +LOC = $(LOCAL_ZLIB) + +# Type for CPU required: 0: 8086, 1: 80186, 2: 80286, 3: 80386, etc. +CPU_TYP = 0 + +# Memory model: one of S, M, C, L (small, medium, compact, large) +MODEL=L + +CC=cl +CFLAGS=-nologo -A$(MODEL) -G$(CPU_TYP) -W3 -Oait -Gs $(LOC) +#-Ox generates bad code with MSC 5.1 +LIB_CFLAGS=-Zl $(CFLAGS) + +LD=link +LDFLAGS=/noi/e/st:0x1500/noe/farcall/packcode +# "/farcall/packcode" are only useful for `large code' memory models +# but should be a "no-op" for small code models. + + +# variables +ZLIB_LIB = zlib_$(MODEL).lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj +OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(LIB_CFLAGS) $*.c + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzio.obj: gzio.c zutil.h zlib.h zconf.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: example.c zlib.h zconf.h + $(CC) -c $(CFLAGS) $*.c + +minigzip.obj: minigzip.c zlib.h zconf.h + $(CC) -c $(CFLAGS) $*.c + + +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) + if exist $(ZLIB_LIB) del $(ZLIB_LIB) + lib $(ZLIB_LIB) $(OBJ1); + lib $(ZLIB_LIB) $(OBJ2); + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj,,,$(ZLIB_LIB); + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj,,,$(ZLIB_LIB); + +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +clean: + -del *.obj + -del *.lib + -del *.exe + -del *.map + -del zlib_*.bak + -del foo.gz diff --git a/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.tc b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.tc new file mode 100644 index 00000000000..480750ade25 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/msdos/Makefile.tc @@ -0,0 +1,94 @@ +# Makefile for zlib +# Turbo C 2.01, Turbo C++ 1.01 +# Last updated: 15-Mar-2003 + +# To use, do "make -fmakefile.tc" +# To compile in small model, set below: MODEL=s + +# WARNING: the small model is supported but only for small values of +# MAX_WBITS and MAX_MEM_LEVEL. For example: +# -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3 +# If you wish to reduce the memory requirements (default 256K for big +# objects plus a few K), you can add to CFLAGS below: +# -DMAX_MEM_LEVEL=7 -DMAX_WBITS=14 +# See zconf.h for details about the memory requirements. + +# ------------ Turbo C 2.01, Turbo C++ 1.01 ------------ +MODEL=l +CC=tcc +LD=tcc +AR=tlib +# CFLAGS=-O2 -G -Z -m$(MODEL) -DMAX_WBITS=11 -DMAX_MEM_LEVEL=3 +CFLAGS=-O2 -G -Z -m$(MODEL) +LDFLAGS=-m$(MODEL) -f- + + +# variables +ZLIB_LIB = zlib_$(MODEL).lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj +OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infback.obj +OBJP2 = +inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(CFLAGS) $*.c + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzio.obj: gzio.c zutil.h zlib.h zconf.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: example.c zlib.h zconf.h + +minigzip.obj: minigzip.c zlib.h zconf.h + + +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) + -del $(ZLIB_LIB) + $(AR) $(ZLIB_LIB) $(OBJP1) + $(AR) $(ZLIB_LIB) $(OBJP2) + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) + +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +clean: + -del *.obj + -del *.lib + -del *.exe + -del zlib_*.bak + -del foo.gz diff --git a/Build/source/libs/zlib/zlib-1.2.3/old/Makefile.riscos b/Build/source/libs/zlib/zlib-1.2.3/old/Makefile.riscos new file mode 100644 index 00000000000..57e29d3fba9 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/old/Makefile.riscos @@ -0,0 +1,151 @@ +# Project: zlib_1_03 +# Patched for zlib 1.1.2 rw@shadow.org.uk 19980430 +# test works out-of-the-box, installs `somewhere' on demand + +# Toolflags: +CCflags = -c -depend !Depend -IC: -g -throwback -DRISCOS -fah +C++flags = -c -depend !Depend -IC: -throwback +Linkflags = -aif -c++ -o $@ +ObjAsmflags = -throwback -NoCache -depend !Depend +CMHGflags = +LibFileflags = -c -l -o $@ +Squeezeflags = -o $@ + +# change the line below to where _you_ want the library installed. +libdest = lib:zlib + +# Final targets: +@.lib: @.o.adler32 @.o.compress @.o.crc32 @.o.deflate @.o.gzio \ + @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil @.o.trees \ + @.o.uncompr @.o.zutil + LibFile $(LibFileflags) @.o.adler32 @.o.compress @.o.crc32 @.o.deflate \ + @.o.gzio @.o.infblock @.o.infcodes @.o.inffast @.o.inflate @.o.inftrees @.o.infutil \ + @.o.trees @.o.uncompr @.o.zutil +test: @.minigzip @.example @.lib + @copy @.lib @.libc A~C~DF~L~N~P~Q~RS~TV + @echo running tests: hang on. + @/@.minigzip -f -9 libc + @/@.minigzip -d libc-gz + @/@.minigzip -f -1 libc + @/@.minigzip -d libc-gz + @/@.minigzip -h -9 libc + @/@.minigzip -d libc-gz + @/@.minigzip -h -1 libc + @/@.minigzip -d libc-gz + @/@.minigzip -9 libc + @/@.minigzip -d libc-gz + @/@.minigzip -1 libc + @/@.minigzip -d libc-gz + @diff @.lib @.libc + @echo that should have reported '@.lib and @.libc identical' if you have diff. + @/@.example @.fred @.fred + @echo that will have given lots of hello!'s. + +@.minigzip: @.o.minigzip @.lib C:o.Stubs + Link $(Linkflags) @.o.minigzip @.lib C:o.Stubs +@.example: @.o.example @.lib C:o.Stubs + Link $(Linkflags) @.o.example @.lib C:o.Stubs + +install: @.lib + cdir $(libdest) + cdir $(libdest).h + @copy @.h.zlib $(libdest).h.zlib A~C~DF~L~N~P~Q~RS~TV + @copy @.h.zconf $(libdest).h.zconf A~C~DF~L~N~P~Q~RS~TV + @copy @.lib $(libdest).lib A~C~DF~L~N~P~Q~RS~TV + @echo okay, installed zlib in $(libdest) + +clean:; remove @.minigzip + remove @.example + remove @.libc + -wipe @.o.* F~r~cV + remove @.fred + +# User-editable dependencies: +.c.o: + cc $(ccflags) -o $@ $< + +# Static dependencies: + +# Dynamic dependencies: +o.example: c.example +o.example: h.zlib +o.example: h.zconf +o.minigzip: c.minigzip +o.minigzip: h.zlib +o.minigzip: h.zconf +o.adler32: c.adler32 +o.adler32: h.zlib +o.adler32: h.zconf +o.compress: c.compress +o.compress: h.zlib +o.compress: h.zconf +o.crc32: c.crc32 +o.crc32: h.zlib +o.crc32: h.zconf +o.deflate: c.deflate +o.deflate: h.deflate +o.deflate: h.zutil +o.deflate: h.zlib +o.deflate: h.zconf +o.gzio: c.gzio +o.gzio: h.zutil +o.gzio: h.zlib +o.gzio: h.zconf +o.infblock: c.infblock +o.infblock: h.zutil +o.infblock: h.zlib +o.infblock: h.zconf +o.infblock: h.infblock +o.infblock: h.inftrees +o.infblock: h.infcodes +o.infblock: h.infutil +o.infcodes: c.infcodes +o.infcodes: h.zutil +o.infcodes: h.zlib +o.infcodes: h.zconf +o.infcodes: h.inftrees +o.infcodes: h.infblock +o.infcodes: h.infcodes +o.infcodes: h.infutil +o.infcodes: h.inffast +o.inffast: c.inffast +o.inffast: h.zutil +o.inffast: h.zlib +o.inffast: h.zconf +o.inffast: h.inftrees +o.inffast: h.infblock +o.inffast: h.infcodes +o.inffast: h.infutil +o.inffast: h.inffast +o.inflate: c.inflate +o.inflate: h.zutil +o.inflate: h.zlib +o.inflate: h.zconf +o.inflate: h.infblock +o.inftrees: c.inftrees +o.inftrees: h.zutil +o.inftrees: h.zlib +o.inftrees: h.zconf +o.inftrees: h.inftrees +o.inftrees: h.inffixed +o.infutil: c.infutil +o.infutil: h.zutil +o.infutil: h.zlib +o.infutil: h.zconf +o.infutil: h.infblock +o.infutil: h.inftrees +o.infutil: h.infcodes +o.infutil: h.infutil +o.trees: c.trees +o.trees: h.deflate +o.trees: h.zutil +o.trees: h.zlib +o.trees: h.zconf +o.trees: h.trees +o.uncompr: c.uncompr +o.uncompr: h.zlib +o.uncompr: h.zconf +o.zutil: c.zutil +o.zutil: h.zutil +o.zutil: h.zlib +o.zutil: h.zconf diff --git a/Build/source/libs/zlib/zlib-1.2.3/old/README b/Build/source/libs/zlib/zlib-1.2.3/old/README new file mode 100644 index 00000000000..800bf079827 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/old/README @@ -0,0 +1,3 @@ +This directory contains files that have not been updated for zlib 1.2.x + +(Volunteers are encouraged to help clean this up. Thanks.) diff --git a/Build/source/libs/zlib/zlib-1.2.3/old/descrip.mms b/Build/source/libs/zlib/zlib-1.2.3/old/descrip.mms new file mode 100644 index 00000000000..7066da5b557 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/old/descrip.mms @@ -0,0 +1,48 @@ +# descrip.mms: MMS description file for building zlib on VMS +# written by Martin P.J. Zinser + +cc_defs = +c_deb = + +.ifdef __DECC__ +pref = /prefix=all +.endif + +OBJS = adler32.obj, compress.obj, crc32.obj, gzio.obj, uncompr.obj,\ + deflate.obj, trees.obj, zutil.obj, inflate.obj, infblock.obj,\ + inftrees.obj, infcodes.obj, infutil.obj, inffast.obj + +CFLAGS= $(C_DEB) $(CC_DEFS) $(PREF) + +all : example.exe minigzip.exe + @ write sys$output " Example applications available" +libz.olb : libz.olb($(OBJS)) + @ write sys$output " libz available" + +example.exe : example.obj libz.olb + link example,libz.olb/lib + +minigzip.exe : minigzip.obj libz.olb + link minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib + +clean : + delete *.obj;*,libz.olb;* + + +# Other dependencies. +adler32.obj : zutil.h zlib.h zconf.h +compress.obj : zlib.h zconf.h +crc32.obj : zutil.h zlib.h zconf.h +deflate.obj : deflate.h zutil.h zlib.h zconf.h +example.obj : zlib.h zconf.h +gzio.obj : zutil.h zlib.h zconf.h +infblock.obj : zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h +infcodes.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h infcodes.h inffast.h +inffast.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h inffast.h +inflate.obj : zutil.h zlib.h zconf.h infblock.h +inftrees.obj : zutil.h zlib.h zconf.h inftrees.h +infutil.obj : zutil.h zlib.h zconf.h inftrees.h infutil.h +minigzip.obj : zlib.h zconf.h +trees.obj : deflate.h zutil.h zlib.h zconf.h +uncompr.obj : zlib.h zconf.h +zutil.obj : zutil.h zlib.h zconf.h diff --git a/Build/source/libs/zlib/zlib-1.2.3/old/os2/Makefile.os2 b/Build/source/libs/zlib/zlib-1.2.3/old/os2/Makefile.os2 new file mode 100644 index 00000000000..a105aaa5bbd --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/old/os2/Makefile.os2 @@ -0,0 +1,136 @@ +# Makefile for zlib under OS/2 using GCC (PGCC) +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile and test, type: +# cp Makefile.os2 .. +# cd .. +# make -f Makefile.os2 test + +# This makefile will build a static library z.lib, a shared library +# z.dll and a import library zdll.lib. You can use either z.lib or +# zdll.lib by specifying either -lz or -lzdll on gcc's command line + +CC=gcc -Zomf -s + +CFLAGS=-O6 -Wall +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-g -DDEBUG +#CFLAGS=-O3 -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ +# -Wstrict-prototypes -Wmissing-prototypes + +#################### BUG WARNING: ##################### +## infcodes.c hits a bug in pgcc-1.0, so you have to use either +## -O# where # <= 4 or one of (-fno-ommit-frame-pointer or -fno-force-mem) +## This bug is reportedly fixed in pgcc >1.0, but this was not tested +CFLAGS+=-fno-force-mem + +LDFLAGS=-s -L. -lzdll -Zcrtdll +LDSHARED=$(CC) -s -Zomf -Zdll -Zcrtdll + +VER=1.1.0 +ZLIB=z.lib +SHAREDLIB=z.dll +SHAREDLIBIMP=zdll.lib +LIBS=$(ZLIB) $(SHAREDLIB) $(SHAREDLIBIMP) + +AR=emxomfar cr +IMPLIB=emximp +RANLIB=echo +TAR=tar +SHELL=bash + +prefix=/usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \ + zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o + +TEST_OBJS = example.o minigzip.o + +DISTFILES = README INDEX ChangeLog configure Make*[a-z0-9] *.[ch] descrip.mms \ + algorithm.txt zlib.3 msdos/Make*[a-z0-9] msdos/zlib.def msdos/zlib.rc \ + nt/Makefile.nt nt/zlib.dnt contrib/README.contrib contrib/*.txt \ + contrib/asm386/*.asm contrib/asm386/*.c \ + contrib/asm386/*.bat contrib/asm386/zlibvc.d?? contrib/iostream/*.cpp \ + contrib/iostream/*.h contrib/iostream2/*.h contrib/iostream2/*.cpp \ + contrib/untgz/Makefile contrib/untgz/*.c contrib/untgz/*.w32 + +all: example.exe minigzip.exe + +test: all + @LD_LIBRARY_PATH=.:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \ + echo hello world | ./minigzip | ./minigzip -d || \ + echo ' *** minigzip test FAILED ***' ; \ + if ./example; then \ + echo ' *** zlib test OK ***'; \ + else \ + echo ' *** zlib test FAILED ***'; \ + fi + +$(ZLIB): $(OBJS) + $(AR) $@ $(OBJS) + -@ ($(RANLIB) $@ || true) >/dev/null 2>&1 + +$(SHAREDLIB): $(OBJS) os2/z.def + $(LDSHARED) -o $@ $^ + +$(SHAREDLIBIMP): os2/z.def + $(IMPLIB) -o $@ $^ + +example.exe: example.o $(LIBS) + $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS) + +minigzip.exe: minigzip.o $(LIBS) + $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS) + +clean: + rm -f *.o *~ example minigzip libz.a libz.so* foo.gz + +distclean: clean + +zip: + mv Makefile Makefile~; cp -p Makefile.in Makefile + rm -f test.c ztest*.c + v=`sed -n -e 's/\.//g' -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\ + zip -ul9 zlib$$v $(DISTFILES) + mv Makefile~ Makefile + +dist: + mv Makefile Makefile~; cp -p Makefile.in Makefile + rm -f test.c ztest*.c + d=zlib-`sed -n '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`;\ + rm -f $$d.tar.gz; \ + if test ! -d ../$$d; then rm -f ../$$d; ln -s `pwd` ../$$d; fi; \ + files=""; \ + for f in $(DISTFILES); do files="$$files $$d/$$f"; done; \ + cd ..; \ + GZIP=-9 $(TAR) chofz $$d/$$d.tar.gz $$files; \ + if test ! -d $$d; then rm -f $$d; fi + mv Makefile~ Makefile + +tags: + etags *.[ch] + +depend: + makedepend -- $(CFLAGS) -- *.[ch] + +# DO NOT DELETE THIS LINE -- make depend depends on it. + +adler32.o: zlib.h zconf.h +compress.o: zlib.h zconf.h +crc32.o: zlib.h zconf.h +deflate.o: deflate.h zutil.h zlib.h zconf.h +example.o: zlib.h zconf.h +gzio.o: zutil.h zlib.h zconf.h +infblock.o: infblock.h inftrees.h infcodes.h infutil.h zutil.h zlib.h zconf.h +infcodes.o: zutil.h zlib.h zconf.h +infcodes.o: inftrees.h infblock.h infcodes.h infutil.h inffast.h +inffast.o: zutil.h zlib.h zconf.h inftrees.h +inffast.o: infblock.h infcodes.h infutil.h inffast.h +inflate.o: zutil.h zlib.h zconf.h infblock.h +inftrees.o: zutil.h zlib.h zconf.h inftrees.h +infutil.o: zutil.h zlib.h zconf.h infblock.h inftrees.h infcodes.h infutil.h +minigzip.o: zlib.h zconf.h +trees.o: deflate.h zutil.h zlib.h zconf.h trees.h +uncompr.o: zlib.h zconf.h +zutil.o: zutil.h zlib.h zconf.h diff --git a/Build/source/libs/zlib/zlib-1.2.3/old/os2/zlib.def b/Build/source/libs/zlib/zlib-1.2.3/old/os2/zlib.def new file mode 100644 index 00000000000..4c753f1a3b9 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/old/os2/zlib.def @@ -0,0 +1,51 @@ +; +; Slightly modified version of ../nt/zlib.dnt :-) +; + +LIBRARY Z +DESCRIPTION "Zlib compression library for OS/2" +CODE PRELOAD MOVEABLE DISCARDABLE +DATA PRELOAD MOVEABLE MULTIPLE + +EXPORTS + adler32 + compress + crc32 + deflate + deflateCopy + deflateEnd + deflateInit2_ + deflateInit_ + deflateParams + deflateReset + deflateSetDictionary + gzclose + gzdopen + gzerror + gzflush + gzopen + gzread + gzwrite + inflate + inflateEnd + inflateInit2_ + inflateInit_ + inflateReset + inflateSetDictionary + inflateSync + uncompress + zlibVersion + gzprintf + gzputc + gzgetc + gzseek + gzrewind + gztell + gzeof + gzsetparams + zError + inflateSyncPoint + get_crc_table + compress2 + gzputs + gzgets diff --git a/Build/source/libs/zlib/zlib-1.2.3/old/visual-basic.txt b/Build/source/libs/zlib/zlib-1.2.3/old/visual-basic.txt new file mode 100644 index 00000000000..57efe58124e --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/old/visual-basic.txt @@ -0,0 +1,160 @@ +See below some functions declarations for Visual Basic. + +Frequently Asked Question: + +Q: Each time I use the compress function I get the -5 error (not enough + room in the output buffer). + +A: Make sure that the length of the compressed buffer is passed by + reference ("as any"), not by value ("as long"). Also check that + before the call of compress this length is equal to the total size of + the compressed buffer and not zero. + + +From: "Jon Caruana" +Subject: Re: How to port zlib declares to vb? +Date: Mon, 28 Oct 1996 18:33:03 -0600 + +Got the answer! (I haven't had time to check this but it's what I got, and +looks correct): + +He has the following routines working: + compress + uncompress + gzopen + gzwrite + gzread + gzclose + +Declares follow: (Quoted from Carlos Rios , in Vb4 form) + +#If Win16 Then 'Use Win16 calls. +Declare Function compress Lib "ZLIB.DLL" (ByVal compr As + String, comprLen As Any, ByVal buf As String, ByVal buflen + As Long) As Integer +Declare Function uncompress Lib "ZLIB.DLL" (ByVal uncompr + As String, uncomprLen As Any, ByVal compr As String, ByVal + lcompr As Long) As Integer +Declare Function gzopen Lib "ZLIB.DLL" (ByVal filePath As + String, ByVal mode As String) As Long +Declare Function gzread Lib "ZLIB.DLL" (ByVal file As + Long, ByVal uncompr As String, ByVal uncomprLen As Integer) + As Integer +Declare Function gzwrite Lib "ZLIB.DLL" (ByVal file As + Long, ByVal uncompr As String, ByVal uncomprLen As Integer) + As Integer +Declare Function gzclose Lib "ZLIB.DLL" (ByVal file As + Long) As Integer +#Else +Declare Function compress Lib "ZLIB32.DLL" + (ByVal compr As String, comprLen As Any, ByVal buf As + String, ByVal buflen As Long) As Integer +Declare Function uncompress Lib "ZLIB32.DLL" + (ByVal uncompr As String, uncomprLen As Any, ByVal compr As + String, ByVal lcompr As Long) As Long +Declare Function gzopen Lib "ZLIB32.DLL" + (ByVal file As String, ByVal mode As String) As Long +Declare Function gzread Lib "ZLIB32.DLL" + (ByVal file As Long, ByVal uncompr As String, ByVal + uncomprLen As Long) As Long +Declare Function gzwrite Lib "ZLIB32.DLL" + (ByVal file As Long, ByVal uncompr As String, ByVal + uncomprLen As Long) As Long +Declare Function gzclose Lib "ZLIB32.DLL" + (ByVal file As Long) As Long +#End If + +-Jon Caruana +jon-net@usa.net +Microsoft Sitebuilder Network Level 1 Member - HTML Writer's Guild Member + + +Here is another example from Michael that he +says conforms to the VB guidelines, and that solves the problem of not +knowing the uncompressed size by storing it at the end of the file: + +'Calling the functions: +'bracket meaning: [optional] {Range of possible values} +'Call subCompressFile( [, , [level of compression {1..9}]]) +'Call subUncompressFile() + +Option Explicit +Private lngpvtPcnSml As Long 'Stores value for 'lngPercentSmaller' +Private Const SUCCESS As Long = 0 +Private Const strFilExt As String = ".cpr" +Private Declare Function lngfncCpr Lib "zlib.dll" Alias "compress2" (ByRef +dest As Any, ByRef destLen As Any, ByRef src As Any, ByVal srcLen As Long, +ByVal level As Integer) As Long +Private Declare Function lngfncUcp Lib "zlib.dll" Alias "uncompress" (ByRef +dest As Any, ByRef destLen As Any, ByRef src As Any, ByVal srcLen As Long) +As Long + +Public Sub subCompressFile(ByVal strargOriFilPth As String, Optional ByVal +strargCprFilPth As String, Optional ByVal intLvl As Integer = 9) + Dim strCprPth As String + Dim lngOriSiz As Long + Dim lngCprSiz As Long + Dim bytaryOri() As Byte + Dim bytaryCpr() As Byte + lngOriSiz = FileLen(strargOriFilPth) + ReDim bytaryOri(lngOriSiz - 1) + Open strargOriFilPth For Binary Access Read As #1 + Get #1, , bytaryOri() + Close #1 + strCprPth = IIf(strargCprFilPth = "", strargOriFilPth, strargCprFilPth) +'Select file path and name + strCprPth = strCprPth & IIf(Right(strCprPth, Len(strFilExt)) = +strFilExt, "", strFilExt) 'Add file extension if not exists + lngCprSiz = (lngOriSiz * 1.01) + 12 'Compression needs temporary a bit +more space then original file size + ReDim bytaryCpr(lngCprSiz - 1) + If lngfncCpr(bytaryCpr(0), lngCprSiz, bytaryOri(0), lngOriSiz, intLvl) = +SUCCESS Then + lngpvtPcnSml = (1# - (lngCprSiz / lngOriSiz)) * 100 + ReDim Preserve bytaryCpr(lngCprSiz - 1) + Open strCprPth For Binary Access Write As #1 + Put #1, , bytaryCpr() + Put #1, , lngOriSiz 'Add the the original size value to the end +(last 4 bytes) + Close #1 + Else + MsgBox "Compression error" + End If + Erase bytaryCpr + Erase bytaryOri +End Sub + +Public Sub subUncompressFile(ByVal strargFilPth As String) + Dim bytaryCpr() As Byte + Dim bytaryOri() As Byte + Dim lngOriSiz As Long + Dim lngCprSiz As Long + Dim strOriPth As String + lngCprSiz = FileLen(strargFilPth) + ReDim bytaryCpr(lngCprSiz - 1) + Open strargFilPth For Binary Access Read As #1 + Get #1, , bytaryCpr() + Close #1 + 'Read the original file size value: + lngOriSiz = bytaryCpr(lngCprSiz - 1) * (2 ^ 24) _ + + bytaryCpr(lngCprSiz - 2) * (2 ^ 16) _ + + bytaryCpr(lngCprSiz - 3) * (2 ^ 8) _ + + bytaryCpr(lngCprSiz - 4) + ReDim Preserve bytaryCpr(lngCprSiz - 5) 'Cut of the original size value + ReDim bytaryOri(lngOriSiz - 1) + If lngfncUcp(bytaryOri(0), lngOriSiz, bytaryCpr(0), lngCprSiz) = SUCCESS +Then + strOriPth = Left(strargFilPth, Len(strargFilPth) - Len(strFilExt)) + Open strOriPth For Binary Access Write As #1 + Put #1, , bytaryOri() + Close #1 + Else + MsgBox "Uncompression error" + End If + Erase bytaryCpr + Erase bytaryOri +End Sub +Public Property Get lngPercentSmaller() As Long + lngPercentSmaller = lngpvtPcnSml +End Property diff --git a/Build/source/libs/zlib/zlib-1.2.3/old/zlib.html b/Build/source/libs/zlib/zlib-1.2.3/old/zlib.html new file mode 100644 index 00000000000..8c1b190c38b --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/old/zlib.html @@ -0,0 +1,971 @@ + + + + zlib general purpose compression library version 1.1.4 + + + + + +

zlib 1.1.4 Manual

+
+

Contents

+
    +
  1. Prologue +
  2. Introduction +
  3. Utility functions +
  4. Basic functions +
  5. Advanced functions +
  6. Constants +
  7. struct z_stream_s +
  8. Checksum functions +
  9. Misc +
+
+

Prologue

+ 'zlib' general purpose compression library version 1.1.4, March 11th, 2002 +

+ Copyright (C) 1995-2002 Jean-loup Gailly and Mark Adler +

+ This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. +

+ Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: +

    +
  1. The origin of this software must not be misrepresented ; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. +
  2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. +
  3. This notice may not be removed or altered from any source distribution. +
+ +
+
Jean-loup Gailly +
jloup@gzip.org +
Mark Adler +
madler@alumni.caltech.edu +
+ + The data format used by the zlib library is described by RFCs (Request for + Comments) 1950 to 1952 in the files + + ftp://ds.internic.net/rfc/rfc1950.txt + (zlib format), + + rfc1951.txt + (deflate format) and + + rfc1952.txt + (gzip format). +

+ This manual is converted from zlib.h by + piaip +

+ Visit + http://ftp.cdrom.com/pub/infozip/zlib/ + for the official zlib web page. +

+ +


+

Introduction

+ The 'zlib' compression library provides in-memory compression and + decompression functions, including integrity checks of the uncompressed + data. This version of the library supports only one compression method + (deflation) but other algorithms will be added later and will have the same + stream interface. +

+ + Compression can be done in a single step if the buffers are large + enough (for example if an input file is mmap'ed), or can be done by + repeated calls of the compression function. In the latter case, the + application must provide more input and/or consume the output + (providing more output space) before each call. +

+ + The library also supports reading and writing files in gzip (.gz) format + with an interface similar to that of stdio. +

+ + The library does not install any signal handler. The decoder checks + the consistency of the compressed data, so the library should never + crash even in case of corrupted input. +

+ +


+

Utility functions

+ The following utility functions are implemented on top of the +
basic stream-oriented functions. + To simplify the interface, some + default options are assumed (compression level and memory usage, + standard memory allocation functions). The source code of these + utility functions can easily be modified if you need special options. +

Function list

+
    +
  • int compress (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen); +
  • int compress2 (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level); +
  • int uncompress (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen); +
  • typedef voidp gzFile; +
  • gzFile gzopen (const char *path, const char *mode); +
  • gzFile gzdopen (int fd, const char *mode); +
  • int gzsetparams (gzFile file, int level, int strategy); +
  • int gzread (gzFile file, voidp buf, unsigned len); +
  • int gzwrite (gzFile file, const voidp buf, unsigned len); +
  • int VA gzprintf (gzFile file, const char *format, ...); +
  • int gzputs (gzFile file, const char *s); +
  • char * gzgets (gzFile file, char *buf, int len); +
  • int gzputc (gzFile file, int c); +
  • int gzgetc (gzFile file); +
  • int gzflush (gzFile file, int flush); +
  • z_off_t gzseek (gzFile file, z_off_t offset, int whence); +
  • z_off_t gztell (gzFile file); +
  • int gzrewind (gzFile file); +
  • int gzeof (gzFile file); +
  • int gzclose (gzFile file); +
  • const char * gzerror (gzFile file, int *errnum); +
+

Function description

+
+
int compress (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen); +
+ Compresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total + size of the destination buffer, which must be at least 0.1% larger than + sourceLen plus 12 bytes. Upon exit, destLen is the actual size of the + compressed buffer.

+ This function can be used to compress a whole file at once if the + input file is mmap'ed.

+ compress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer.

+ +

int compress2 (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level); +
+ Compresses the source buffer into the destination buffer. The level + parameter has the same meaning as in deflateInit. sourceLen is the byte + length of the source buffer. Upon entry, destLen is the total size of the + destination buffer, which must be at least 0.1% larger than sourceLen plus + 12 bytes. Upon exit, destLen is the actual size of the compressed buffer. +

+ + compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_BUF_ERROR if there was not enough room in the output buffer, + Z_STREAM_ERROR if the level parameter is invalid. +

+ +

int uncompress (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen); +
+ Decompresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total + size of the destination buffer, which must be large enough to hold the + entire uncompressed data. (The size of the uncompressed data must have + been saved previously by the compressor and transmitted to the decompressor + by some mechanism outside the scope of this compression library.) + Upon exit, destLen is the actual size of the compressed buffer.

+ This function can be used to decompress a whole file at once if the + input file is mmap'ed. +

+ + uncompress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer, or Z_DATA_ERROR if the input data was corrupted. +

+ +

typedef voidp gzFile; +

+ +

gzFile gzopen (const char *path, const char *mode); +
+ Opens a gzip (.gz) file for reading or writing. The mode parameter + is as in fopen ("rb" or "wb") but can also include a compression level + ("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for + Huffman only compression as in "wb1h". (See the description + of deflateInit2 for more information about the strategy parameter.) +

+ + gzopen can be used to read a file which is not in gzip format ; in this + case gzread will directly read from the file without decompression. +

+ + gzopen returns NULL if the file could not be opened or if there was + insufficient memory to allocate the (de)compression state ; errno + can be checked to distinguish the two cases (if errno is zero, the + zlib error is Z_MEM_ERROR). +

+ +

gzFile gzdopen (int fd, const char *mode); +
+ gzdopen() associates a gzFile with the file descriptor fd. File + descriptors are obtained from calls like open, dup, creat, pipe or + fileno (in the file has been previously opened with fopen). + The mode parameter is as in gzopen. +

+ The next call of gzclose on the returned gzFile will also close the + file descriptor fd, just like fclose(fdopen(fd), mode) closes the file + descriptor fd. If you want to keep fd open, use gzdopen(dup(fd), mode). +

+ gzdopen returns NULL if there was insufficient memory to allocate + the (de)compression state. +

+ +

int gzsetparams (gzFile file, int level, int strategy); +
+ Dynamically update the compression level or strategy. See the description + of deflateInit2 for the meaning of these parameters. +

+ gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not + opened for writing. +

+ +

int gzread (gzFile file, voidp buf, unsigned len); +
+ Reads the given number of uncompressed bytes from the compressed file. + If the input file was not in gzip format, gzread copies the given number + of bytes into the buffer. +

+ gzread returns the number of uncompressed bytes actually read (0 for + end of file, -1 for error). +

+ +

int gzwrite (gzFile file, const voidp buf, unsigned len); +
+ Writes the given number of uncompressed bytes into the compressed file. + gzwrite returns the number of uncompressed bytes actually written + (0 in case of error). +

+ +

int VA gzprintf (gzFile file, const char *format, ...); +
+ Converts, formats, and writes the args to the compressed file under + control of the format string, as in fprintf. gzprintf returns the number of + uncompressed bytes actually written (0 in case of error). +

+ +

int gzputs (gzFile file, const char *s); +
+ Writes the given null-terminated string to the compressed file, excluding + the terminating null character. +

+ gzputs returns the number of characters written, or -1 in case of error. +

+ +

char * gzgets (gzFile file, char *buf, int len); +
+ Reads bytes from the compressed file until len-1 characters are read, or + a newline character is read and transferred to buf, or an end-of-file + condition is encountered. The string is then terminated with a null + character. +

+ gzgets returns buf, or Z_NULL in case of error. +

+ +

int gzputc (gzFile file, int c); +
+ Writes c, converted to an unsigned char, into the compressed file. + gzputc returns the value that was written, or -1 in case of error. +

+ +

int gzgetc (gzFile file); +
+ Reads one byte from the compressed file. gzgetc returns this byte + or -1 in case of end of file or error. +

+ +

int gzflush (gzFile file, int flush); +
+ Flushes all pending output into the compressed file. The parameter + flush is as in the deflate() function. The return value is the zlib + error number (see function gzerror below). gzflush returns Z_OK if + the flush parameter is Z_FINISH and all output could be flushed. +

+ gzflush should be called only when strictly necessary because it can + degrade compression. +

+ +

z_off_t gzseek (gzFile file, z_off_t offset, int whence); +
+ Sets the starting position for the next gzread or gzwrite on the + given compressed file. The offset represents a number of bytes in the + uncompressed data stream. The whence parameter is defined as in lseek(2); + the value SEEK_END is not supported. +

+ If the file is opened for reading, this function is emulated but can be + extremely slow. If the file is opened for writing, only forward seeks are + supported ; gzseek then compresses a sequence of zeroes up to the new + starting position. +

+ gzseek returns the resulting offset location as measured in bytes from + the beginning of the uncompressed stream, or -1 in case of error, in + particular if the file is opened for writing and the new starting position + would be before the current position. +

+ +

int gzrewind (gzFile file); +
+ Rewinds the given file. This function is supported only for reading. +

+ gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET) +

+ +

z_off_t gztell (gzFile file); +
+ Returns the starting position for the next gzread or gzwrite on the + given compressed file. This position represents a number of bytes in the + uncompressed data stream. +

+ + gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR) +

+ +

int gzeof (gzFile file); +
+ Returns 1 when EOF has previously been detected reading the given + input stream, otherwise zero. +

+ +

int gzclose (gzFile file); +
+ Flushes all pending output if necessary, closes the compressed file + and deallocates all the (de)compression state. The return value is the zlib + error number (see function gzerror below). +

+ +

const char * gzerror (gzFile file, int *errnum); +
+ Returns the error message for the last error which occurred on the + given compressed file. errnum is set to zlib error number. If an + error occurred in the file system and not in the compression library, + errnum is set to Z_ERRNO and the application may consult errno + to get the exact error code. +

+

+
+

Basic functions

+

Function list

+
+ +

Function description

+
+
const char * zlibVersion (void); +
The application can compare zlibVersion and ZLIB_VERSION for consistency. + If the first character differs, the library code actually used is + not compatible with the zlib.h header file used by the application. + This check is automatically made by deflateInit and inflateInit. +

+ +

int deflateInit (z_streamp strm, int level); +
+ Initializes the internal stream state for compression. The fields + zalloc, zfree and opaque must be initialized before by the caller. + If zalloc and zfree are set to Z_NULL, deflateInit updates them to + use default allocation functions. +

+ + The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9: + 1 gives best speed, 9 gives best compression, 0 gives no compression at + all (the input data is simply copied a block at a time). +

+ + Z_DEFAULT_COMPRESSION requests a default compromise between speed and + compression (currently equivalent to level 6). +

+ + deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if level is not a valid compression level, + Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible + with the version assumed by the caller (ZLIB_VERSION). + msg is set to null if there is no error message. deflateInit does not + perform any compression: this will be done by deflate(). +

+ +

int deflate (z_streamp strm, int flush); +
+ deflate compresses as much data as possible, and stops when the input + buffer becomes empty or the output buffer becomes full. It may introduce some + output latency (reading input without producing any output) except when + forced to flush.

+ + The detailed semantics are as follows. deflate performs one or both of the + following actions: + +

    +
  • Compress more input starting at next_in and update next_in and avail_in + accordingly. If not all input can be processed (because there is not + enough room in the output buffer), next_in and avail_in are updated and + processing will resume at this point for the next call of deflate(). + +
  • + Provide more output starting at next_out and update next_out and avail_out + accordingly. This action is forced if the parameter flush is non zero. + Forcing flush frequently degrades the compression ratio, so this parameter + should be set only when necessary (in interactive applications). + Some output may be provided even if flush is not set. +

+ + Before the call of deflate(), the application should ensure that at least + one of the actions is possible, by providing more input and/or consuming + more output, and updating avail_in or avail_out accordingly ; avail_out + should never be zero before the call. The application can consume the + compressed output when it wants, for example when the output buffer is full + (avail_out == 0), or after each call of deflate(). If deflate returns Z_OK + and with zero avail_out, it must be called again after making room in the + output buffer because there might be more output pending. +

+ + If the parameter flush is set to Z_SYNC_FLUSH, all pending output is + flushed to the output buffer and the output is aligned on a byte boundary, so + that the decompressor can get all input data available so far. (In particular + avail_in is zero after the call if enough output space has been provided + before the call.) Flushing may degrade compression for some compression + algorithms and so it should be used only when necessary. +

+ + If flush is set to Z_FULL_FLUSH, all output is flushed as with + Z_SYNC_FLUSH, and the compression state is reset so that decompression can + restart from this point if previous compressed data has been damaged or if + random access is desired. Using Z_FULL_FLUSH too often can seriously degrade + the compression. +

+ + If deflate returns with avail_out == 0, this function must be called again + with the same value of the flush parameter and more output space (updated + avail_out), until the flush is complete (deflate returns with non-zero + avail_out). +

+ + If the parameter flush is set to Z_FINISH, pending input is processed, + pending output is flushed and deflate returns with Z_STREAM_END if there + was enough output space ; if deflate returns with Z_OK, this function must be + called again with Z_FINISH and more output space (updated avail_out) but no + more input data, until it returns with Z_STREAM_END or an error. After + deflate has returned Z_STREAM_END, the only possible operations on the + stream are deflateReset or deflateEnd. +

+ + Z_FINISH can be used immediately after deflateInit if all the compression + is to be done in a single step. In this case, avail_out must be at least + 0.1% larger than avail_in plus 12 bytes. If deflate does not return + Z_STREAM_END, then it must be called again as described above. +

+ + deflate() sets strm-> adler to the adler32 checksum of all input read + so far (that is, total_in bytes). +

+ + deflate() may update data_type if it can make a good guess about + the input data type (Z_ASCII or Z_BINARY). In doubt, the data is considered + binary. This field is only for information purposes and does not affect + the compression algorithm in any manner. +

+ + deflate() returns Z_OK if some progress has been made (more input + processed or more output produced), Z_STREAM_END if all input has been + consumed and all output has been produced (only when flush is set to + Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example + if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible + (for example avail_in or avail_out was zero). +

+ +

int deflateEnd (z_streamp strm); +
+ All dynamically allocated data structures for this stream are freed. + This function discards any unprocessed input and does not flush any + pending output. +

+ + deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the + stream state was inconsistent, Z_DATA_ERROR if the stream was freed + prematurely (some input or output was discarded). In the error case, + msg may be set but then points to a static string (which must not be + deallocated). +

+ +

int inflateInit (z_streamp strm); +
+ Initializes the internal stream state for decompression. The fields + next_in, avail_in, zalloc, zfree and opaque must be initialized before by + the caller. If next_in is not Z_NULL and avail_in is large enough (the exact + value depends on the compression method), inflateInit determines the + compression method from the zlib header and allocates all data structures + accordingly ; otherwise the allocation will be deferred to the first call of + inflate. If zalloc and zfree are set to Z_NULL, inflateInit updates them to + use default allocation functions. +

+ + inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_VERSION_ERROR if the zlib library version is incompatible with the + version assumed by the caller. msg is set to null if there is no error + message. inflateInit does not perform any decompression apart from reading + the zlib header if present: this will be done by inflate(). (So next_in and + avail_in may be modified, but next_out and avail_out are unchanged.) +

+ +

int inflate (z_streamp strm, int flush); +
+ inflate decompresses as much data as possible, and stops when the input + buffer becomes empty or the output buffer becomes full. It may some + introduce some output latency (reading input without producing any output) + except when forced to flush. +

+ + The detailed semantics are as follows. inflate performs one or both of the + following actions: + +

    +
  • Decompress more input starting at next_in and update next_in and avail_in + accordingly. If not all input can be processed (because there is not + enough room in the output buffer), next_in is updated and processing + will resume at this point for the next call of inflate(). + +
  • Provide more output starting at next_out and update next_out and + avail_out accordingly. inflate() provides as much output as possible, + until there is no more input data or no more space in the output buffer + (see below about the flush parameter). +

+ + Before the call of inflate(), the application should ensure that at least + one of the actions is possible, by providing more input and/or consuming + more output, and updating the next_* and avail_* values accordingly. + The application can consume the uncompressed output when it wants, for + example when the output buffer is full (avail_out == 0), or after each + call of inflate(). If inflate returns Z_OK and with zero avail_out, it + must be called again after making room in the output buffer because there + might be more output pending. +

+ + If the parameter flush is set to Z_SYNC_FLUSH, inflate flushes as much + output as possible to the output buffer. The flushing behavior of inflate is + not specified for values of the flush parameter other than Z_SYNC_FLUSH + and Z_FINISH, but the current implementation actually flushes as much output + as possible anyway. +

+ + inflate() should normally be called until it returns Z_STREAM_END or an + error. However if all decompression is to be performed in a single step + (a single call of inflate), the parameter flush should be set to + Z_FINISH. In this case all pending input is processed and all pending + output is flushed ; avail_out must be large enough to hold all the + uncompressed data. (The size of the uncompressed data may have been saved + by the compressor for this purpose.) The next operation on this stream must + be inflateEnd to deallocate the decompression state. The use of Z_FINISH + is never required, but can be used to inform inflate that a faster routine + may be used for the single inflate() call. +

+ + If a preset dictionary is needed at this point (see inflateSetDictionary + below), inflate sets strm-adler to the adler32 checksum of the + dictionary chosen by the compressor and returns Z_NEED_DICT ; otherwise + it sets strm-> adler to the adler32 checksum of all output produced + so far (that is, total_out bytes) and returns Z_OK, Z_STREAM_END or + an error code as described below. At the end of the stream, inflate() + checks that its computed adler32 checksum is equal to that saved by the + compressor and returns Z_STREAM_END only if the checksum is correct. +

+ + inflate() returns Z_OK if some progress has been made (more input processed + or more output produced), Z_STREAM_END if the end of the compressed data has + been reached and all uncompressed output has been produced, Z_NEED_DICT if a + preset dictionary is needed at this point, Z_DATA_ERROR if the input data was + corrupted (input stream not conforming to the zlib format or incorrect + adler32 checksum), Z_STREAM_ERROR if the stream structure was inconsistent + (for example if next_in or next_out was NULL), Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if no progress is possible or if there was not + enough room in the output buffer when Z_FINISH is used. In the Z_DATA_ERROR + case, the application may then call inflateSync to look for a good + compression block. +

+ +

int inflateEnd (z_streamp strm); +
+ All dynamically allocated data structures for this stream are freed. + This function discards any unprocessed input and does not flush any + pending output. +

+ + inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state + was inconsistent. In the error case, msg may be set but then points to a + static string (which must not be deallocated). +

+
+

Advanced functions

+ The following functions are needed only in some special applications. +

Function list

+
+

Function description

+
+
int deflateInit2 (z_streamp strm, int level, int method, int windowBits, int memLevel, int strategy); + +
This is another version of deflateInit with more compression options. The + fields next_in, zalloc, zfree and opaque must be initialized before by + the caller.

+ + The method parameter is the compression method. It must be Z_DEFLATED in + this version of the library.

+ + The windowBits parameter is the base two logarithm of the window size + (the size of the history buffer). It should be in the range 8..15 for this + version of the library. Larger values of this parameter result in better + compression at the expense of memory usage. The default value is 15 if + deflateInit is used instead.

+ + The memLevel parameter specifies how much memory should be allocated + for the internal compression state. memLevel=1 uses minimum memory but + is slow and reduces compression ratio ; memLevel=9 uses maximum memory + for optimal speed. The default value is 8. See zconf.h for total memory + usage as a function of windowBits and memLevel.

+ + The strategy parameter is used to tune the compression algorithm. Use the + value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a + filter (or predictor), or Z_HUFFMAN_ONLY to force Huffman encoding only (no + string match). Filtered data consists mostly of small values with a + somewhat random distribution. In this case, the compression algorithm is + tuned to compress them better. The effect of Z_FILTERED is to force more + Huffman coding and less string matching ; it is somewhat intermediate + between Z_DEFAULT and Z_HUFFMAN_ONLY. The strategy parameter only affects + the compression ratio but not the correctness of the compressed output even + if it is not set appropriately.

+ + deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid + method). msg is set to null if there is no error message. deflateInit2 does + not perform any compression: this will be done by deflate().

+ +

int deflateSetDictionary (z_streamp strm, const Bytef *dictionary, uInt dictLength); +
+ Initializes the compression dictionary from the given byte sequence + without producing any compressed output. This function must be called + immediately after deflateInit, deflateInit2 or deflateReset, before any + call of deflate. The compressor and decompressor must use exactly the same + dictionary (see inflateSetDictionary).

+ + The dictionary should consist of strings (byte sequences) that are likely + to be encountered later in the data to be compressed, with the most commonly + used strings preferably put towards the end of the dictionary. Using a + dictionary is most useful when the data to be compressed is short and can be + predicted with good accuracy ; the data can then be compressed better than + with the default empty dictionary.

+ + Depending on the size of the compression data structures selected by + deflateInit or deflateInit2, a part of the dictionary may in effect be + discarded, for example if the dictionary is larger than the window size in + deflate or deflate2. Thus the strings most likely to be useful should be + put at the end of the dictionary, not at the front.

+ + Upon return of this function, strm-> adler is set to the Adler32 value + of the dictionary ; the decompressor may later use this value to determine + which dictionary has been used by the compressor. (The Adler32 value + applies to the whole dictionary even if only a subset of the dictionary is + actually used by the compressor.)

+ + deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a + parameter is invalid (such as NULL dictionary) or the stream state is + inconsistent (for example if deflate has already been called for this stream + or if the compression method is bsort). deflateSetDictionary does not + perform any compression: this will be done by deflate().

+ +

int deflateCopy (z_streamp dest, z_streamp source); +
+ Sets the destination stream as a complete copy of the source stream.

+ + This function can be useful when several compression strategies will be + tried, for example when there are several ways of pre-processing the input + data with a filter. The streams that will be discarded should then be freed + by calling deflateEnd. Note that deflateCopy duplicates the internal + compression state which can be quite large, so this strategy is slow and + can consume lots of memory.

+ + deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if the source stream state was inconsistent + (such as zalloc being NULL). msg is left unchanged in both source and + destination.

+ +

int deflateReset (z_streamp strm); +
This function is equivalent to deflateEnd followed by deflateInit, + but does not free and reallocate all the internal compression state. + The stream will keep the same compression level and any other attributes + that may have been set by deflateInit2.

+ + deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being NULL).

+ +

int deflateParams (z_streamp strm, int level, int strategy); +
+ Dynamically update the compression level and compression strategy. The + interpretation of level and strategy is as in deflateInit2. This can be + used to switch between compression and straight copy of the input data, or + to switch to a different kind of input data requiring a different + strategy. If the compression level is changed, the input available so far + is compressed with the old level (and may be flushed); the new level will + take effect only at the next call of deflate().

+ + Before the call of deflateParams, the stream state must be set as for + a call of deflate(), since the currently available input may have to + be compressed and flushed. In particular, strm-> avail_out must be + non-zero.

+ + deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source + stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR + if strm->avail_out was zero.

+ +

int inflateInit2 (z_streamp strm, int windowBits); + +
This is another version of inflateInit with an extra parameter. The + fields next_in, avail_in, zalloc, zfree and opaque must be initialized + before by the caller.

+ + The windowBits parameter is the base two logarithm of the maximum window + size (the size of the history buffer). It should be in the range 8..15 for + this version of the library. The default value is 15 if inflateInit is used + instead. If a compressed stream with a larger window size is given as + input, inflate() will return with the error code Z_DATA_ERROR instead of + trying to allocate a larger window.

+ + inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_STREAM_ERROR if a parameter is invalid (such as a negative + memLevel). msg is set to null if there is no error message. inflateInit2 + does not perform any decompression apart from reading the zlib header if + present: this will be done by inflate(). (So next_in and avail_in may be + modified, but next_out and avail_out are unchanged.)

+ +

int inflateSetDictionary (z_streamp strm, const Bytef *dictionary, uInt dictLength); +
+ Initializes the decompression dictionary from the given uncompressed byte + sequence. This function must be called immediately after a call of inflate + if this call returned Z_NEED_DICT. The dictionary chosen by the compressor + can be determined from the Adler32 value returned by this call of + inflate. The compressor and decompressor must use exactly the same + dictionary (see deflateSetDictionary).

+ + inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a + parameter is invalid (such as NULL dictionary) or the stream state is + inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the + expected one (incorrect Adler32 value). inflateSetDictionary does not + perform any decompression: this will be done by subsequent calls of + inflate().

+ +

int inflateSync (z_streamp strm); + +
Skips invalid compressed data until a full flush point (see above the + description of deflate with Z_FULL_FLUSH) can be found, or until all + available input is skipped. No output is provided.

+ + inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR + if no more input was provided, Z_DATA_ERROR if no flush point has been found, + or Z_STREAM_ERROR if the stream structure was inconsistent. In the success + case, the application may save the current current value of total_in which + indicates where valid compressed data was found. In the error case, the + application may repeatedly call inflateSync, providing more input each time, + until success or end of the input data.

+ +

int inflateReset (z_streamp strm); +
+ This function is equivalent to inflateEnd followed by inflateInit, + but does not free and reallocate all the internal decompression state. + The stream will keep attributes that may have been set by inflateInit2. +

+ + inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being NULL). +

+

+ +
+

Checksum functions

+ These functions are not related to compression but are exported + anyway because they might be useful in applications using the + compression library. +

Function list

+
+

Function description

+
+
uLong adler32 (uLong adler, const Bytef *buf, uInt len); +
+ Update a running Adler-32 checksum with the bytes buf[0..len-1] and + return the updated checksum. If buf is NULL, this function returns + the required initial value for the checksum. +

+ An Adler-32 checksum is almost as reliable as a CRC32 but can be computed + much faster. Usage example: +

+
+     uLong adler = adler32(0L, Z_NULL, 0);
+
+     while (read_buffer(buffer, length) != EOF) {
+       adler = adler32(adler, buffer, length);
+     }
+     if (adler != original_adler) error();
+   
+ +
uLong crc32 (uLong crc, const Bytef *buf, uInt len); +
+ Update a running crc with the bytes buf[0..len-1] and return the updated + crc. If buf is NULL, this function returns the required initial value + for the crc. Pre- and post-conditioning (one's complement) is performed + within this function so it shouldn't be done by the application. + Usage example: +
+
+     uLong crc = crc32(0L, Z_NULL, 0);
+
+     while (read_buffer(buffer, length) != EOF) {
+       crc = crc32(crc, buffer, length);
+     }
+     if (crc != original_crc) error();
+   
+
+
+

struct z_stream_s

+ +
+
+typedef struct z_stream_s {
+    Bytef    *next_in;  /* next input byte */
+    uInt     avail_in;  /* number of bytes available at next_in */
+    uLong    total_in;  /* total nb of input bytes read so far */
+
+    Bytef    *next_out; /* next output byte should be put there */
+    uInt     avail_out; /* remaining free space at next_out */
+    uLong    total_out; /* total nb of bytes output so far */
+
+    char     *msg;      /* last error message, NULL if no error */
+    struct internal_state FAR *state; /* not visible by applications */
+
+    alloc_func zalloc;  /* used to allocate the internal state */
+    free_func  zfree;   /* used to free the internal state */
+    voidpf     opaque;  /* private data object passed to zalloc and zfree */
+
+    int     data_type;  /* best guess about the data type: ascii or binary */
+    uLong   adler;      /* adler32 value of the uncompressed data */
+    uLong   reserved;   /* reserved for future use */
+} z_stream ;
+
+typedef z_stream FAR * z_streamp;  ÿ
+
+
+ The application must update next_in and avail_in when avail_in has + dropped to zero. It must update next_out and avail_out when avail_out + has dropped to zero. The application must initialize zalloc, zfree and + opaque before calling the init function. All other fields are set by the + compression library and must not be updated by the application.

+ + The opaque value provided by the application will be passed as the first + parameter for calls of zalloc and zfree. This can be useful for custom + memory management. The compression library attaches no meaning to the + opaque value.

+ + zalloc must return Z_NULL if there is not enough memory for the object. + If zlib is used in a multi-threaded application, zalloc and zfree must be + thread safe.

+ + On 16-bit systems, the functions zalloc and zfree must be able to allocate + exactly 65536 bytes, but will not be required to allocate more than this + if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS, + pointers returned by zalloc for objects of exactly 65536 bytes *must* + have their offset normalized to zero. The default allocation function + provided by this library ensures this (see zutil.c). To reduce memory + requirements and avoid any allocation of 64K objects, at the expense of + compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h). +

+ + The fields total_in and total_out can be used for statistics or + progress reports. After compression, total_in holds the total size of + the uncompressed data and may be saved for use in the decompressor + (particularly if the decompressor wants to decompress everything in + a single step).

+ +


+

Constants

+ +
+#define Z_NO_FLUSH      0
+#define Z_PARTIAL_FLUSH 1
+	/* will be removed, use Z_SYNC_FLUSH instead */
+#define Z_SYNC_FLUSH    2
+#define Z_FULL_FLUSH    3
+#define Z_FINISH        4
+/* Allowed flush values ; see deflate() below for details */
+
+#define Z_OK            0
+#define Z_STREAM_END    1
+#define Z_NEED_DICT     2
+#define Z_ERRNO        (-1)
+#define Z_STREAM_ERROR (-2)
+#define Z_DATA_ERROR   (-3)
+#define Z_MEM_ERROR    (-4)
+#define Z_BUF_ERROR    (-5)
+#define Z_VERSION_ERROR (-6)
+/* Return codes for the compression/decompression functions. Negative
+ * values are errors, positive values are used for special but normal events.
+ */
+
+#define Z_NO_COMPRESSION         0
+#define Z_BEST_SPEED             1
+#define Z_BEST_COMPRESSION       9
+#define Z_DEFAULT_COMPRESSION  (-1)
+/* compression levels */
+
+#define Z_FILTERED            1
+#define Z_HUFFMAN_ONLY        2
+#define Z_DEFAULT_STRATEGY    0
+/* compression strategy ; see deflateInit2() below for details */
+
+#define Z_BINARY   0
+#define Z_ASCII    1
+#define Z_UNKNOWN  2
+/* Possible values of the data_type field */
+
+#define Z_DEFLATED   8
+/* The deflate compression method (the only one supported in this version) */
+
+#define Z_NULL  0  /* for initializing zalloc, zfree, opaque */
+
+#define zlib_version zlibVersion()
+/* for compatibility with versions less than 1.0.2 */
+
+
+ +
+

Misc

+
deflateInit and inflateInit are macros to allow checking the zlib version + and the compiler's view of z_stream. +

+ Other functions: +

+
const char * zError (int err); +
int inflateSyncPoint (z_streamp z); +
const uLongf * get_crc_table (void); +
+
+ + Last update: Wed Oct 13 20:42:34 1999
+ piapi@csie.ntu.edu.tw +
+ + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/projects/README.projects b/Build/source/libs/zlib/zlib-1.2.3/projects/README.projects new file mode 100644 index 00000000000..1c029e4a340 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/projects/README.projects @@ -0,0 +1,41 @@ +This directory contains project files for building zlib under various +Integrated Development Environments (IDE). + +If you wish to submit a new project to this directory, you should comply +to the following requirements. Otherwise (e.g. if you wish to integrate +a custom piece of code that changes the zlib interface or its behavior), +please consider submitting the project to the contrib directory. + + +Requirements +============ + +- The project must build zlib using the source files from the official + zlib source distribution, exclusively. + +- If the project produces redistributable builds (e.g. shared objects + or DLL files), these builds must be compatible to those produced by + makefiles, if such makefiles exist in the zlib distribution. + In particular, if the project produces a DLL build for the Win32 + platform, this build must comply to the officially-ammended Win32 DLL + Application Binary Interface (ABI), described in win32/DLL_FAQ.txt. + +- The project may provide additional build targets, which depend on + 3rd-party (unofficially-supported) software, present in the contrib + directory. For example, it is possible to provide an "ASM build", + besides the officially-supported build, and have ASM source files + among its dependencies. + +- If there are significant differences between the project files created + by different versions of an IDE (e.g. Visual C++ 6.0 vs. 7.0), the name + of the project directory should contain the version number of the IDE + for which the project is intended (e.g. "visualc6" for Visual C++ 6.0, + or "visualc7" for Visual C++ 7.0 and 7.1). + + +Current projects +================ + +visualc6/ by Simon-Pierre Cadieux + and Cosmin Truta + Project for Microsoft Visual C++ 6.0 diff --git a/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/README.txt b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/README.txt new file mode 100644 index 00000000000..3d0aef0a125 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/README.txt @@ -0,0 +1,73 @@ +Microsoft Developer Studio Project Files, Format Version 6.00 for zlib. + +Copyright (C) 2000-2004 Simon-Pierre Cadieux. +Copyright (C) 2004 Cosmin Truta. +For conditions of distribution and use, see copyright notice in zlib.h. + + +This project builds the zlib binaries as follows: + +* Win32_DLL_Release\zlib1.dll DLL build +* Win32_DLL_Debug\zlib1d.dll DLL build (debug version) +* Win32_DLL_ASM_Release\zlib1.dll DLL build using ASM code +* Win32_DLL_ASM_Debug\zlib1d.dll DLL build using ASM code (debug version) +* Win32_LIB_Release\zlib.lib static build +* Win32_LIB_Debug\zlibd.lib static build (debug version) +* Win32_LIB_ASM_Release\zlib.lib static build using ASM code +* Win32_LIB_ASM_Debug\zlibd.lib static build using ASM code (debug version) + + +For more information regarding the DLL builds, please see the DLL FAQ +in ..\..\win32\DLL_FAQ.txt. + + +To build and test: + +1) On the main menu, select "File | Open Workspace". + Open "zlib.dsw". + +2) Select "Build | Set Active Configuration". + Choose the configuration you wish to build. + +3) Select "Build | Clean". + +4) Select "Build | Build ... (F7)". Ignore warning messages about + not being able to find certain include files (e.g. alloc.h). + +5) If you built one of the sample programs (example or minigzip), + select "Build | Execute ... (Ctrl+F5)". + + +To use: + +1) Select "Project | Settings (Alt+F7)". + Make note of the configuration names used in your project. + Usually, these names are "Win32 Release" and "Win32 Debug". + +2) In the Workspace window, select the "FileView" tab. + Right-click on the root item "Workspace '...'". + Select "Insert Project into Workspace". + Switch on the checkbox "Dependency of:", and select the name + of your project. Open "zlib.dsp". + +3) Select "Build | Configurations". + For each configuration of your project: + 3.1) Choose the zlib configuration you wish to use. + 3.2) Click on "Add". + 3.3) Set the new zlib configuration name to the name used by + the configuration from the current iteration. + +4) Select "Build | Set Active Configuration". + Choose the configuration you wish to build. + +5) Select "Build | Build ... (F7)". + +6) If you built an executable program, select + "Build | Execute ... (Ctrl+F5)". + + +Note: + +To build the ASM-enabled code, you need Microsoft Assembler +(ML.EXE). You can get it by downloading and installing the +latest Processor Pack for Visual C++ 6.0. diff --git a/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/example.dsp b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/example.dsp new file mode 100644 index 00000000000..7eb65d6112f --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/example.dsp @@ -0,0 +1,278 @@ +# Microsoft Developer Studio Project File - Name="example" - Package Owner=<4> +# Microsoft Developer Studio Generated Build File, Format Version 6.00 +# ** DO NOT EDIT ** + +# TARGTYPE "Win32 (x86) Console Application" 0x0103 + +CFG=example - Win32 LIB Debug +!MESSAGE This is not a valid makefile. To build this project using NMAKE, +!MESSAGE use the Export Makefile command and run +!MESSAGE +!MESSAGE NMAKE /f "example.mak". +!MESSAGE +!MESSAGE You can specify a configuration when running NMAKE +!MESSAGE by defining the macro CFG on the command line. For example: +!MESSAGE +!MESSAGE NMAKE /f "example.mak" CFG="example - Win32 LIB Debug" +!MESSAGE +!MESSAGE Possible choices for configuration are: +!MESSAGE +!MESSAGE "example - Win32 DLL Release" (based on "Win32 (x86) Console Application") +!MESSAGE "example - Win32 DLL Debug" (based on "Win32 (x86) Console Application") +!MESSAGE "example - Win32 DLL ASM Release" (based on "Win32 (x86) Console Application") +!MESSAGE "example - Win32 DLL ASM Debug" (based on "Win32 (x86) Console Application") +!MESSAGE "example - Win32 LIB Release" (based on "Win32 (x86) Console Application") +!MESSAGE "example - Win32 LIB Debug" (based on "Win32 (x86) Console Application") +!MESSAGE "example - Win32 LIB ASM Release" (based on "Win32 (x86) Console Application") +!MESSAGE "example - Win32 LIB ASM Debug" (based on "Win32 (x86) Console Application") +!MESSAGE + +# Begin Project +# PROP AllowPerConfigDependencies 0 +# PROP Scc_ProjName "" +# PROP Scc_LocalPath "" +CPP=cl.exe +RSC=rc.exe + +!IF "$(CFG)" == "example - Win32 DLL Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "example___Win32_DLL_Release" +# PROP BASE Intermediate_Dir "example___Win32_DLL_Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Win32_DLL_Release" +# PROP Intermediate_Dir "Win32_DLL_Release" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 /nologo /subsystem:console /machine:I386 + +!ELSEIF "$(CFG)" == "example - 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Win32 DLL ASM Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "example___Win32_DLL_ASM_Debug" +# PROP BASE Intermediate_Dir "example___Win32_DLL_ASM_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_DLL_ASM_Debug" +# PROP Intermediate_Dir "Win32_DLL_ASM_Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept + +!ELSEIF "$(CFG)" == "example - 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Win32 LIB ASM Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "example___Win32_LIB_ASM_Debug" +# PROP BASE Intermediate_Dir "example___Win32_LIB_ASM_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_LIB_ASM_Debug" +# PROP Intermediate_Dir "Win32_LIB_ASM_Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept + +!ENDIF + +# Begin Target + +# Name "example - Win32 DLL Release" +# Name "example - Win32 DLL Debug" +# Name "example - Win32 DLL ASM Release" +# Name "example - Win32 DLL ASM Debug" +# Name "example - Win32 LIB Release" +# Name "example - Win32 LIB Debug" +# Name "example - Win32 LIB ASM Release" +# Name "example - Win32 LIB ASM Debug" +# Begin Group "Source Files" + +# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" +# Begin Source File + +SOURCE=..\..\example.c +# End Source File +# End Group +# Begin Group "Header Files" + +# PROP Default_Filter "h;hpp;hxx;hm;inl" +# Begin Source File + +SOURCE=..\..\zconf.h +# End Source File +# Begin Source File + +SOURCE=..\..\zlib.h +# End Source File +# End Group +# End Target +# End Project diff --git a/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/minigzip.dsp b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/minigzip.dsp new file mode 100644 index 00000000000..65311aa3db3 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/minigzip.dsp @@ -0,0 +1,278 @@ +# Microsoft Developer Studio Project File - Name="minigzip" - Package Owner=<4> +# Microsoft Developer Studio Generated Build File, Format Version 6.00 +# ** DO NOT EDIT ** + +# TARGTYPE "Win32 (x86) Console Application" 0x0103 + +CFG=minigzip - Win32 LIB Debug +!MESSAGE This is not a valid makefile. To build this project using NMAKE, +!MESSAGE use the Export Makefile command and run +!MESSAGE +!MESSAGE NMAKE /f "minigzip.mak". +!MESSAGE +!MESSAGE You can specify a configuration when running NMAKE +!MESSAGE by defining the macro CFG on the command line. For example: +!MESSAGE +!MESSAGE NMAKE /f "minigzip.mak" CFG="minigzip - Win32 LIB Debug" +!MESSAGE +!MESSAGE Possible choices for configuration are: +!MESSAGE +!MESSAGE "minigzip - Win32 DLL Release" (based on "Win32 (x86) Console Application") +!MESSAGE "minigzip - Win32 DLL Debug" (based on "Win32 (x86) Console Application") +!MESSAGE "minigzip - Win32 DLL ASM Release" (based on "Win32 (x86) Console Application") +!MESSAGE "minigzip - Win32 DLL ASM Debug" (based on "Win32 (x86) Console Application") +!MESSAGE "minigzip - Win32 LIB Release" (based on "Win32 (x86) Console Application") +!MESSAGE "minigzip - Win32 LIB Debug" (based on "Win32 (x86) Console Application") +!MESSAGE "minigzip - Win32 LIB ASM Release" (based on "Win32 (x86) Console Application") +!MESSAGE "minigzip - Win32 LIB ASM Debug" (based on "Win32 (x86) Console Application") +!MESSAGE + +# Begin Project +# PROP AllowPerConfigDependencies 0 +# PROP Scc_ProjName "" +# PROP Scc_LocalPath "" +CPP=cl.exe +RSC=rc.exe + +!IF "$(CFG)" == "minigzip - 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Win32 DLL Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "minigzip___Win32_DLL_Debug" +# PROP BASE Intermediate_Dir "minigzip___Win32_DLL_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_DLL_Debug" +# PROP Intermediate_Dir "Win32_DLL_Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept + +!ELSEIF "$(CFG)" == "minigzip - Win32 DLL ASM Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "minigzip___Win32_DLL_ASM_Release" +# PROP BASE Intermediate_Dir "minigzip___Win32_DLL_ASM_Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Win32_DLL_ASM_Release" +# PROP Intermediate_Dir "Win32_DLL_ASM_Release" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 /nologo /subsystem:console /machine:I386 + +!ELSEIF "$(CFG)" == "minigzip - Win32 DLL ASM Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "minigzip___Win32_DLL_ASM_Debug" +# PROP BASE Intermediate_Dir "minigzip___Win32_DLL_ASM_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_DLL_ASM_Debug" +# PROP Intermediate_Dir "Win32_DLL_ASM_Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept + +!ELSEIF "$(CFG)" == "minigzip - Win32 LIB Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "minigzip___Win32_LIB_Release" +# PROP BASE Intermediate_Dir "minigzip___Win32_LIB_Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Win32_LIB_Release" +# PROP Intermediate_Dir "Win32_LIB_Release" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 /nologo /subsystem:console /machine:I386 + +!ELSEIF "$(CFG)" == "minigzip - Win32 LIB Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "minigzip___Win32_LIB_Debug" +# PROP BASE Intermediate_Dir "minigzip___Win32_LIB_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_LIB_Debug" +# PROP Intermediate_Dir "Win32_LIB_Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept + +!ELSEIF "$(CFG)" == "minigzip - Win32 LIB ASM Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "minigzip___Win32_LIB_ASM_Release" +# PROP BASE Intermediate_Dir "minigzip___Win32_LIB_ASM_Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Win32_LIB_ASM_Release" +# PROP Intermediate_Dir "Win32_LIB_ASM_Release" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 /nologo /subsystem:console /machine:I386 + +!ELSEIF "$(CFG)" == "minigzip - Win32 LIB ASM Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "minigzip___Win32_LIB_ASM_Debug" +# PROP BASE Intermediate_Dir "minigzip___Win32_LIB_ASM_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_LIB_ASM_Debug" +# PROP Intermediate_Dir "Win32_LIB_ASM_Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT CPP /YX +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept + +!ENDIF + +# Begin Target + +# Name "minigzip - Win32 DLL Release" +# Name "minigzip - Win32 DLL Debug" +# Name "minigzip - Win32 DLL ASM Release" +# Name "minigzip - Win32 DLL ASM Debug" +# Name "minigzip - Win32 LIB Release" +# Name "minigzip - Win32 LIB Debug" +# Name "minigzip - Win32 LIB ASM Release" +# Name "minigzip - Win32 LIB ASM Debug" +# Begin Group "Source Files" + +# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" +# Begin Source File + +SOURCE=..\..\minigzip.c +# End Source File +# End Group +# Begin Group "Header Files" + +# PROP Default_Filter "h;hpp;hxx;hm;inl" +# Begin Source File + +SOURCE=..\..\zconf.h +# End Source File +# Begin Source File + +SOURCE=..\..\zlib.h +# End Source File +# End Group +# End Target +# End Project diff --git a/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/zlib.dsp b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/zlib.dsp new file mode 100644 index 00000000000..deb613c4679 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/zlib.dsp @@ -0,0 +1,609 @@ +# Microsoft Developer Studio Project File - Name="zlib" - Package Owner=<4> +# Microsoft Developer Studio Generated Build File, Format Version 6.00 +# ** DO NOT EDIT ** + +# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102 +# TARGTYPE "Win32 (x86) Static Library" 0x0104 + +CFG=zlib - Win32 LIB Debug +!MESSAGE This is not a valid makefile. To build this project using NMAKE, +!MESSAGE use the Export Makefile command and run +!MESSAGE +!MESSAGE NMAKE /f "zlib.mak". +!MESSAGE +!MESSAGE You can specify a configuration when running NMAKE +!MESSAGE by defining the macro CFG on the command line. For example: +!MESSAGE +!MESSAGE NMAKE /f "zlib.mak" CFG="zlib - Win32 LIB Debug" +!MESSAGE +!MESSAGE Possible choices for configuration are: +!MESSAGE +!MESSAGE "zlib - Win32 DLL Release" (based on "Win32 (x86) Dynamic-Link Library") +!MESSAGE "zlib - Win32 DLL Debug" (based on "Win32 (x86) Dynamic-Link Library") +!MESSAGE "zlib - Win32 DLL ASM Release" (based on "Win32 (x86) Dynamic-Link Library") +!MESSAGE "zlib - Win32 DLL ASM Debug" (based on "Win32 (x86) Dynamic-Link Library") +!MESSAGE "zlib - Win32 LIB Release" (based on "Win32 (x86) Static Library") +!MESSAGE "zlib - Win32 LIB Debug" (based on "Win32 (x86) Static Library") +!MESSAGE "zlib - Win32 LIB ASM Release" (based on "Win32 (x86) Static Library") +!MESSAGE "zlib - Win32 LIB ASM Debug" (based on "Win32 (x86) Static Library") +!MESSAGE + +# Begin Project +# PROP AllowPerConfigDependencies 0 +# PROP Scc_ProjName "" +# PROP Scc_LocalPath "" + +!IF "$(CFG)" == "zlib - Win32 DLL Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "zlib___Win32_DLL_Release" +# PROP BASE Intermediate_Dir "zlib___Win32_DLL_Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Win32_DLL_Release" +# PROP Intermediate_Dir "Win32_DLL_Release" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +CPP=cl.exe +# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT BASE CPP /YX /Yc /Yu +# ADD CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT CPP /YX /Yc /Yu +MTL=midl.exe +# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32 +# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32 +RSC=rc.exe +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386 +# ADD LINK32 /nologo /dll /machine:I386 /out:"Win32_DLL_Release\zlib1.dll" + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "zlib___Win32_DLL_Debug" +# PROP BASE Intermediate_Dir "zlib___Win32_DLL_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_DLL_Debug" +# PROP Intermediate_Dir "Win32_DLL_Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +CPP=cl.exe +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX /Yc /Yu +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT CPP /YX /Yc /Yu +MTL=midl.exe +# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32 +# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32 +RSC=rc.exe +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /dll /debug /machine:I386 /out:"Win32_DLL_Debug\zlib1d.dll" /pdbtype:sept + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "zlib___Win32_DLL_ASM_Release" +# PROP BASE Intermediate_Dir "zlib___Win32_DLL_ASM_Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Win32_DLL_ASM_Release" +# PROP Intermediate_Dir "Win32_DLL_ASM_Release" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +CPP=cl.exe +# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT BASE CPP /YX /Yc /Yu +# ADD CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /D "ASMV" /D "ASMINF" /FD /c +# SUBTRACT CPP /YX /Yc /Yu +MTL=midl.exe +# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32 +# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32 +RSC=rc.exe +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386 +# ADD LINK32 /nologo /dll /machine:I386 /out:"Win32_DLL_ASM_Release\zlib1.dll" + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "zlib___Win32_DLL_ASM_Debug" +# PROP BASE Intermediate_Dir "zlib___Win32_DLL_ASM_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_DLL_ASM_Debug" +# PROP Intermediate_Dir "Win32_DLL_ASM_Debug" +# PROP Ignore_Export_Lib 0 +# PROP Target_Dir "" +CPP=cl.exe +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX /Yc /Yu +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /D "ASMV" /D "ASMINF" /FD /GZ /c +# SUBTRACT CPP /YX /Yc /Yu +MTL=midl.exe +# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32 +# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32 +RSC=rc.exe +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept +# ADD LINK32 /nologo /dll /debug /machine:I386 /out:"Win32_DLL_ASM_Debug\zlib1d.dll" /pdbtype:sept + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "zlib___Win32_LIB_Release" +# PROP BASE Intermediate_Dir "zlib___Win32_LIB_Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Win32_LIB_Release" +# PROP Intermediate_Dir "Win32_LIB_Release" +# PROP Target_Dir "" +CPP=cl.exe +# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT BASE CPP /YX /Yc /Yu +# ADD CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT CPP /YX /Yc /Yu +RSC=rc.exe +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LIB32=link.exe -lib +# ADD BASE LIB32 /nologo +# ADD LIB32 /nologo + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "zlib___Win32_LIB_Debug" +# PROP BASE Intermediate_Dir "zlib___Win32_LIB_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_LIB_Debug" +# PROP Intermediate_Dir "Win32_LIB_Debug" +# PROP Target_Dir "" +CPP=cl.exe +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX /Yc /Yu +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT CPP /YX /Yc /Yu +RSC=rc.exe +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LIB32=link.exe -lib +# ADD BASE LIB32 /nologo +# ADD LIB32 /nologo /out:"Win32_LIB_Debug\zlibd.lib" + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "zlib___Win32_LIB_ASM_Release" +# PROP BASE Intermediate_Dir "zlib___Win32_LIB_ASM_Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Win32_LIB_ASM_Release" +# PROP Intermediate_Dir "Win32_LIB_ASM_Release" +# PROP Target_Dir "" +CPP=cl.exe +# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c +# SUBTRACT BASE CPP /YX /Yc /Yu +# ADD CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /D "ASMV" /D "ASMINF" /FD /c +# SUBTRACT CPP /YX /Yc /Yu +RSC=rc.exe +# ADD BASE RSC /l 0x409 /d "NDEBUG" +# ADD RSC /l 0x409 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LIB32=link.exe -lib +# ADD BASE LIB32 /nologo +# ADD LIB32 /nologo + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "zlib___Win32_LIB_ASM_Debug" +# PROP BASE Intermediate_Dir "zlib___Win32_LIB_ASM_Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Win32_LIB_ASM_Debug" +# PROP Intermediate_Dir "Win32_LIB_ASM_Debug" +# PROP Target_Dir "" +CPP=cl.exe +# ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c +# SUBTRACT BASE CPP /YX /Yc /Yu +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /D "ASMV" /D "ASMINF" /FD /GZ /c +# SUBTRACT CPP /YX /Yc /Yu +RSC=rc.exe +# ADD BASE RSC /l 0x409 /d "_DEBUG" +# ADD RSC /l 0x409 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LIB32=link.exe -lib +# ADD BASE LIB32 /nologo +# ADD LIB32 /nologo /out:"Win32_LIB_ASM_Debug\zlibd.lib" + +!ENDIF + +# Begin Target + +# Name "zlib - Win32 DLL Release" +# Name "zlib - Win32 DLL Debug" +# Name "zlib - Win32 DLL ASM Release" +# Name "zlib - Win32 DLL ASM Debug" +# Name "zlib - Win32 LIB Release" +# Name "zlib - Win32 LIB Debug" +# Name "zlib - Win32 LIB ASM Release" +# Name "zlib - Win32 LIB ASM Debug" +# Begin Group "Source Files" + +# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" +# Begin Source File + +SOURCE=..\..\adler32.c +# End Source File +# Begin Source File + +SOURCE=..\..\compress.c +# End Source File +# Begin Source File + +SOURCE=..\..\crc32.c +# End Source File +# Begin Source File + +SOURCE=..\..\deflate.c +# End Source File +# Begin Source File + +SOURCE=..\..\gzio.c +# End Source File +# Begin Source File + +SOURCE=..\..\infback.c +# End Source File +# Begin Source File + +SOURCE=..\..\inffast.c +# End Source File +# Begin Source File + +SOURCE=..\..\inflate.c +# End Source File +# Begin Source File + +SOURCE=..\..\inftrees.c +# End Source File +# Begin Source File + +SOURCE=..\..\trees.c +# End Source File +# Begin Source File + +SOURCE=..\..\uncompr.c +# End Source File +# Begin Source File + +SOURCE=..\..\win32\zlib.def + +!IF "$(CFG)" == "zlib - Win32 DLL Release" + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL Debug" + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Release" + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Debug" + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Release" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Debug" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Release" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Debug" + +# PROP Exclude_From_Build 1 + +!ENDIF + +# End Source File +# Begin Source File + +SOURCE=..\..\zutil.c +# End Source File +# End Group +# Begin Group "Header Files" + +# PROP Default_Filter "h;hpp;hxx;hm;inl" +# Begin Source File + +SOURCE=..\..\crc32.h +# End Source File +# Begin Source File + +SOURCE=..\..\deflate.h +# End Source File +# Begin Source File + +SOURCE=..\..\inffast.h +# End Source File +# Begin Source File + +SOURCE=..\..\inffixed.h +# End Source File +# Begin Source File + +SOURCE=..\..\inflate.h +# End Source File +# Begin Source File + +SOURCE=..\..\inftrees.h +# End Source File +# Begin Source File + +SOURCE=..\..\trees.h +# End Source File +# Begin Source File + +SOURCE=..\..\zconf.h +# End Source File +# Begin Source File + +SOURCE=..\..\zlib.h +# End Source File +# Begin Source File + +SOURCE=..\..\zutil.h +# End Source File +# End Group +# Begin Group "Resource Files" + +# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe" +# Begin Source File + +SOURCE=..\..\win32\zlib1.rc +# End Source File +# End Group +# Begin Group "Assembler Files (Unsupported)" + +# PROP Default_Filter "asm;obj;c;cpp;cxx;h;hpp;hxx" +# Begin Source File + +SOURCE=..\..\contrib\masmx86\gvmat32.asm + +!IF "$(CFG)" == "zlib - Win32 DLL Release" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL Debug" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Release" + +# Begin Custom Build - Assembling... +IntDir=.\Win32_DLL_ASM_Release +InputPath=..\..\contrib\masmx86\gvmat32.asm +InputName=gvmat32 + +"$(IntDir)\$(InputName).obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)" + ml.exe /nologo /c /coff /Cx /Fo"$(IntDir)\$(InputName).obj" "$(InputPath)" + +# End Custom Build + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Debug" + +# Begin Custom Build - Assembling... +IntDir=.\Win32_DLL_ASM_Debug +InputPath=..\..\contrib\masmx86\gvmat32.asm +InputName=gvmat32 + +"$(IntDir)\$(InputName).obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)" + ml.exe /nologo /c /coff /Cx /Zi /Fo"$(IntDir)\$(InputName).obj" "$(InputPath)" + +# End Custom Build + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Release" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Debug" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Release" + +# Begin Custom Build - Assembling... +IntDir=.\Win32_LIB_ASM_Release +InputPath=..\..\contrib\masmx86\gvmat32.asm +InputName=gvmat32 + +"$(IntDir)\$(InputName).obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)" + ml.exe /nologo /c /coff /Cx /Fo"$(IntDir)\$(InputName).obj" "$(InputPath)" + +# End Custom Build + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Debug" + +# Begin Custom Build - Assembling... +IntDir=.\Win32_LIB_ASM_Debug +InputPath=..\..\contrib\masmx86\gvmat32.asm +InputName=gvmat32 + +"$(IntDir)\$(InputName).obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)" + ml.exe /nologo /c /coff /Cx /Zi /Fo"$(IntDir)\$(InputName).obj" "$(InputPath)" + +# End Custom Build + +!ENDIF + +# End Source File +# Begin Source File + +SOURCE=..\..\contrib\masmx86\gvmat32c.c + +!IF "$(CFG)" == "zlib - Win32 DLL Release" + +# PROP Exclude_From_Build 1 +# ADD CPP /I "..\.." + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL Debug" + +# PROP Exclude_From_Build 1 +# ADD CPP /I "..\.." + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Release" + +# ADD CPP /I "..\.." + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Debug" + +# ADD CPP /I "..\.." + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Release" + +# PROP Exclude_From_Build 1 +# ADD CPP /I "..\.." + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Debug" + +# PROP Exclude_From_Build 1 +# ADD CPP /I "..\.." + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Release" + +# ADD CPP /I "..\.." + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Debug" + +# ADD CPP /I "..\.." + +!ENDIF + +# End Source File +# Begin Source File + +SOURCE=..\..\contrib\masmx86\inffas32.asm + +!IF "$(CFG)" == "zlib - Win32 DLL Release" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL Debug" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Release" + +# Begin Custom Build - Assembling... +IntDir=.\Win32_DLL_ASM_Release +InputPath=..\..\contrib\masmx86\inffas32.asm +InputName=inffas32 + +"$(IntDir)\$(InputName).obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)" + ml.exe /nologo /c /coff /Cx /Fo"$(IntDir)\$(InputName).obj" "$(InputPath)" + +# End Custom Build + +!ELSEIF "$(CFG)" == "zlib - Win32 DLL ASM Debug" + +# Begin Custom Build - Assembling... +IntDir=.\Win32_DLL_ASM_Debug +InputPath=..\..\contrib\masmx86\inffas32.asm +InputName=inffas32 + +"$(IntDir)\$(InputName).obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)" + ml.exe /nologo /c /coff /Cx /Zi /Fo"$(IntDir)\$(InputName).obj" "$(InputPath)" + +# End Custom Build + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Release" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB Debug" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Release" + +# Begin Custom Build - Assembling... +IntDir=.\Win32_LIB_ASM_Release +InputPath=..\..\contrib\masmx86\inffas32.asm +InputName=inffas32 + +"$(IntDir)\$(InputName).obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)" + ml.exe /nologo /c /coff /Cx /Fo"$(IntDir)\$(InputName).obj" "$(InputPath)" + +# End Custom Build + +!ELSEIF "$(CFG)" == "zlib - Win32 LIB ASM Debug" + +# Begin Custom Build - Assembling... +IntDir=.\Win32_LIB_ASM_Debug +InputPath=..\..\contrib\masmx86\inffas32.asm +InputName=inffas32 + +"$(IntDir)\$(InputName).obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)" + ml.exe /nologo /c /coff /Cx /Zi /Fo"$(IntDir)\$(InputName).obj" "$(InputPath)" + +# End Custom Build + +!ENDIF + +# End Source File +# End Group +# Begin Source File + +SOURCE=.\README.txt +# End Source File +# End Target +# End Project diff --git a/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/zlib.dsw b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/zlib.dsw new file mode 100644 index 00000000000..2644856efad --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/projects/visualc6/zlib.dsw @@ -0,0 +1,59 @@ +Microsoft Developer Studio Workspace File, Format Version 6.00 +# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE! + +############################################################################### + +Project: "example"=.\example.dsp - Package Owner=<4> + +Package=<5> +{{{ +}}} + +Package=<4> +{{{ + Begin Project Dependency + Project_Dep_Name zlib + End Project Dependency +}}} + +############################################################################### + +Project: "minigzip"=.\minigzip.dsp - Package Owner=<4> + +Package=<5> +{{{ +}}} + +Package=<4> +{{{ + Begin Project Dependency + Project_Dep_Name zlib + End Project Dependency +}}} + +############################################################################### + +Project: "zlib"=.\zlib.dsp - Package Owner=<4> + +Package=<5> +{{{ +}}} + +Package=<4> +{{{ +}}} + +############################################################################### + +Global: + +Package=<5> +{{{ +}}} + +Package=<3> +{{{ +}}} + +############################################################################### + diff --git a/Build/source/libs/zlib/zlib-1.2.3/qnx/package.qpg b/Build/source/libs/zlib/zlib-1.2.3/qnx/package.qpg new file mode 100644 index 00000000000..8a4a47c723a --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/qnx/package.qpg @@ -0,0 +1,141 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Library + + Medium + + 2.0 + + + + zlib + zlib + alain.bonnefoy@icbt.com + Public + public + www.gzip.org/zlib + + + Jean-Loup Gailly,Mark Adler + www.gzip.org/zlib + + zlib@gzip.org + + + A massively spiffy yet delicately unobtrusive compression library. + zlib is designed to be a free, general-purpose, legally unencumbered, lossless data compression library for use on virtually any computer hardware and operating system. + http://www.gzip.org/zlib + + + + + 1.2.3 + Medium + Stable + + + + + + + No License + + + + Software Development/Libraries and Extensions/C Libraries + zlib,compression + qnx6 + qnx6 + None + Developer + + + + + + + + + + + + + + Install + Post + No + Ignore + + No + Optional + + + + + + + + + + + + + InstallOver + zlib + + + + + + + + + + + + + InstallOver + zlib-dev + + + + + + + + + diff --git a/Build/source/libs/zlib/zlib-1.2.3/trees.c b/Build/source/libs/zlib/zlib-1.2.3/trees.c new file mode 100644 index 00000000000..395e4e16814 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/trees.c @@ -0,0 +1,1219 @@ +/* trees.c -- output deflated data using Huffman coding + * Copyright (C) 1995-2005 Jean-loup Gailly + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* + * ALGORITHM + * + * The "deflation" process uses several Huffman trees. The more + * common source values are represented by shorter bit sequences. + * + * Each code tree is stored in a compressed form which is itself + * a Huffman encoding of the lengths of all the code strings (in + * ascending order by source values). The actual code strings are + * reconstructed from the lengths in the inflate process, as described + * in the deflate specification. + * + * REFERENCES + * + * Deutsch, L.P.,"'Deflate' Compressed Data Format Specification". + * Available in ftp.uu.net:/pub/archiving/zip/doc/deflate-1.1.doc + * + * Storer, James A. + * Data Compression: Methods and Theory, pp. 49-50. + * Computer Science Press, 1988. ISBN 0-7167-8156-5. + * + * Sedgewick, R. + * Algorithms, p290. + * Addison-Wesley, 1983. ISBN 0-201-06672-6. + */ + +/* @(#) $Id$ */ + +/* #define GEN_TREES_H */ + +#include "deflate.h" + +#ifdef DEBUG +# include +#endif + +/* =========================================================================== + * Constants + */ + +#define MAX_BL_BITS 7 +/* Bit length codes must not exceed MAX_BL_BITS bits */ + +#define END_BLOCK 256 +/* end of block literal code */ + +#define REP_3_6 16 +/* repeat previous bit length 3-6 times (2 bits of repeat count) */ + +#define REPZ_3_10 17 +/* repeat a zero length 3-10 times (3 bits of repeat count) */ + +#define REPZ_11_138 18 +/* repeat a zero length 11-138 times (7 bits of repeat count) */ + +local const int extra_lbits[LENGTH_CODES] /* extra bits for each length code */ + = {0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0}; + +local const int extra_dbits[D_CODES] /* extra bits for each distance code */ + = {0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13}; + +local const int extra_blbits[BL_CODES]/* extra bits for each bit length code */ + = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7}; + +local const uch bl_order[BL_CODES] + = {16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15}; +/* The lengths of the bit length codes are sent in order of decreasing + * probability, to avoid transmitting the lengths for unused bit length codes. + */ + +#define Buf_size (8 * 2*sizeof(char)) +/* Number of bits used within bi_buf. (bi_buf might be implemented on + * more than 16 bits on some systems.) + */ + +/* =========================================================================== + * Local data. These are initialized only once. + */ + +#define DIST_CODE_LEN 512 /* see definition of array dist_code below */ + +#if defined(GEN_TREES_H) || !defined(STDC) +/* non ANSI compilers may not accept trees.h */ + +local ct_data static_ltree[L_CODES+2]; +/* The static literal tree. Since the bit lengths are imposed, there is no + * need for the L_CODES extra codes used during heap construction. However + * The codes 286 and 287 are needed to build a canonical tree (see _tr_init + * below). + */ + +local ct_data static_dtree[D_CODES]; +/* The static distance tree. (Actually a trivial tree since all codes use + * 5 bits.) + */ + +uch _dist_code[DIST_CODE_LEN]; +/* Distance codes. The first 256 values correspond to the distances + * 3 .. 258, the last 256 values correspond to the top 8 bits of + * the 15 bit distances. + */ + +uch _length_code[MAX_MATCH-MIN_MATCH+1]; +/* length code for each normalized match length (0 == MIN_MATCH) */ + +local int base_length[LENGTH_CODES]; +/* First normalized length for each code (0 = MIN_MATCH) */ + +local int base_dist[D_CODES]; +/* First normalized distance for each code (0 = distance of 1) */ + +#else +# include "trees.h" +#endif /* GEN_TREES_H */ + +struct static_tree_desc_s { + const ct_data *static_tree; /* static tree or NULL */ + const intf *extra_bits; /* extra bits for each code or NULL */ + int extra_base; /* base index for extra_bits */ + int elems; /* max number of elements in the tree */ + int max_length; /* max bit length for the codes */ +}; + +local static_tree_desc static_l_desc = +{static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS}; + +local static_tree_desc static_d_desc = +{static_dtree, extra_dbits, 0, D_CODES, MAX_BITS}; + +local static_tree_desc static_bl_desc = +{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS}; + +/* =========================================================================== + * Local (static) routines in this file. + */ + +local void tr_static_init OF((void)); +local void init_block OF((deflate_state *s)); +local void pqdownheap OF((deflate_state *s, ct_data *tree, int k)); +local void gen_bitlen OF((deflate_state *s, tree_desc *desc)); +local void gen_codes OF((ct_data *tree, int max_code, ushf *bl_count)); +local void build_tree OF((deflate_state *s, tree_desc *desc)); +local void scan_tree OF((deflate_state *s, ct_data *tree, int max_code)); +local void send_tree OF((deflate_state *s, ct_data *tree, int max_code)); +local int build_bl_tree OF((deflate_state *s)); +local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, + int blcodes)); +local void compress_block OF((deflate_state *s, ct_data *ltree, + ct_data *dtree)); +local void set_data_type OF((deflate_state *s)); +local unsigned bi_reverse OF((unsigned value, int length)); +local void bi_windup OF((deflate_state *s)); +local void bi_flush OF((deflate_state *s)); +local void copy_block OF((deflate_state *s, charf *buf, unsigned len, + int header)); + +#ifdef GEN_TREES_H +local void gen_trees_header OF((void)); +#endif + +#ifndef DEBUG +# define send_code(s, c, tree) send_bits(s, tree[c].Code, tree[c].Len) + /* Send a code of the given tree. c and tree must not have side effects */ + +#else /* DEBUG */ +# define send_code(s, c, tree) \ + { if (z_verbose>2) fprintf(stderr,"\ncd %3d ",(c)); \ + send_bits(s, tree[c].Code, tree[c].Len); } +#endif + +/* =========================================================================== + * Output a short LSB first on the stream. + * IN assertion: there is enough room in pendingBuf. + */ +#define put_short(s, w) { \ + put_byte(s, (uch)((w) & 0xff)); \ + put_byte(s, (uch)((ush)(w) >> 8)); \ +} + +/* =========================================================================== + * Send a value on a given number of bits. + * IN assertion: length <= 16 and value fits in length bits. + */ +#ifdef DEBUG +local void send_bits OF((deflate_state *s, int value, int length)); + +local void send_bits(s, value, length) + deflate_state *s; + int value; /* value to send */ + int length; /* number of bits */ +{ + Tracevv((stderr," l %2d v %4x ", length, value)); + Assert(length > 0 && length <= 15, "invalid length"); + s->bits_sent += (ulg)length; + + /* If not enough room in bi_buf, use (valid) bits from bi_buf and + * (16 - bi_valid) bits from value, leaving (width - (16-bi_valid)) + * unused bits in value. + */ + if (s->bi_valid > (int)Buf_size - length) { + s->bi_buf |= (value << s->bi_valid); + put_short(s, s->bi_buf); + s->bi_buf = (ush)value >> (Buf_size - s->bi_valid); + s->bi_valid += length - Buf_size; + } else { + s->bi_buf |= value << s->bi_valid; + s->bi_valid += length; + } +} +#else /* !DEBUG */ + +#define send_bits(s, value, length) \ +{ int len = length;\ + if (s->bi_valid > (int)Buf_size - len) {\ + int val = value;\ + s->bi_buf |= (val << s->bi_valid);\ + put_short(s, s->bi_buf);\ + s->bi_buf = (ush)val >> (Buf_size - s->bi_valid);\ + s->bi_valid += len - Buf_size;\ + } else {\ + s->bi_buf |= (value) << s->bi_valid;\ + s->bi_valid += len;\ + }\ +} +#endif /* DEBUG */ + + +/* the arguments must not have side effects */ + +/* =========================================================================== + * Initialize the various 'constant' tables. + */ +local void tr_static_init() +{ +#if defined(GEN_TREES_H) || !defined(STDC) + static int static_init_done = 0; + int n; /* iterates over tree elements */ + int bits; /* bit counter */ + int length; /* length value */ + int code; /* code value */ + int dist; /* distance index */ + ush bl_count[MAX_BITS+1]; + /* number of codes at each bit length for an optimal tree */ + + if (static_init_done) return; + + /* For some embedded targets, global variables are not initialized: */ + static_l_desc.static_tree = static_ltree; + static_l_desc.extra_bits = extra_lbits; + static_d_desc.static_tree = static_dtree; + static_d_desc.extra_bits = extra_dbits; + static_bl_desc.extra_bits = extra_blbits; + + /* Initialize the mapping length (0..255) -> length code (0..28) */ + length = 0; + for (code = 0; code < LENGTH_CODES-1; code++) { + base_length[code] = length; + for (n = 0; n < (1< dist code (0..29) */ + dist = 0; + for (code = 0 ; code < 16; code++) { + base_dist[code] = dist; + for (n = 0; n < (1<>= 7; /* from now on, all distances are divided by 128 */ + for ( ; code < D_CODES; code++) { + base_dist[code] = dist << 7; + for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) { + _dist_code[256 + dist++] = (uch)code; + } + } + Assert (dist == 256, "tr_static_init: 256+dist != 512"); + + /* Construct the codes of the static literal tree */ + for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0; + n = 0; + while (n <= 143) static_ltree[n++].Len = 8, bl_count[8]++; + while (n <= 255) static_ltree[n++].Len = 9, bl_count[9]++; + while (n <= 279) static_ltree[n++].Len = 7, bl_count[7]++; + while (n <= 287) static_ltree[n++].Len = 8, bl_count[8]++; + /* Codes 286 and 287 do not exist, but we must include them in the + * tree construction to get a canonical Huffman tree (longest code + * all ones) + */ + gen_codes((ct_data *)static_ltree, L_CODES+1, bl_count); + + /* The static distance tree is trivial: */ + for (n = 0; n < D_CODES; n++) { + static_dtree[n].Len = 5; + static_dtree[n].Code = bi_reverse((unsigned)n, 5); + } + static_init_done = 1; + +# ifdef GEN_TREES_H + gen_trees_header(); +# endif +#endif /* defined(GEN_TREES_H) || !defined(STDC) */ +} + +/* =========================================================================== + * Genererate the file trees.h describing the static trees. + */ +#ifdef GEN_TREES_H +# ifndef DEBUG +# include +# endif + +# define SEPARATOR(i, last, width) \ + ((i) == (last)? "\n};\n\n" : \ + ((i) % (width) == (width)-1 ? ",\n" : ", ")) + +void gen_trees_header() +{ + FILE *header = fopen("trees.h", "w"); + int i; + + Assert (header != NULL, "Can't open trees.h"); + fprintf(header, + "/* header created automatically with -DGEN_TREES_H */\n\n"); + + fprintf(header, "local const ct_data static_ltree[L_CODES+2] = {\n"); + for (i = 0; i < L_CODES+2; i++) { + fprintf(header, "{{%3u},{%3u}}%s", static_ltree[i].Code, + static_ltree[i].Len, SEPARATOR(i, L_CODES+1, 5)); + } + + fprintf(header, "local const ct_data static_dtree[D_CODES] = {\n"); + for (i = 0; i < D_CODES; i++) { + fprintf(header, "{{%2u},{%2u}}%s", static_dtree[i].Code, + static_dtree[i].Len, SEPARATOR(i, D_CODES-1, 5)); + } + + fprintf(header, "const uch _dist_code[DIST_CODE_LEN] = {\n"); + for (i = 0; i < DIST_CODE_LEN; i++) { + fprintf(header, "%2u%s", _dist_code[i], + SEPARATOR(i, DIST_CODE_LEN-1, 20)); + } + + fprintf(header, "const uch _length_code[MAX_MATCH-MIN_MATCH+1]= {\n"); + for (i = 0; i < MAX_MATCH-MIN_MATCH+1; i++) { + fprintf(header, "%2u%s", _length_code[i], + SEPARATOR(i, MAX_MATCH-MIN_MATCH, 20)); + } + + fprintf(header, "local const int base_length[LENGTH_CODES] = {\n"); + for (i = 0; i < LENGTH_CODES; i++) { + fprintf(header, "%1u%s", base_length[i], + SEPARATOR(i, LENGTH_CODES-1, 20)); + } + + fprintf(header, "local const int base_dist[D_CODES] = {\n"); + for (i = 0; i < D_CODES; i++) { + fprintf(header, "%5u%s", base_dist[i], + SEPARATOR(i, D_CODES-1, 10)); + } + + fclose(header); +} +#endif /* GEN_TREES_H */ + +/* =========================================================================== + * Initialize the tree data structures for a new zlib stream. + */ +void _tr_init(s) + deflate_state *s; +{ + tr_static_init(); + + s->l_desc.dyn_tree = s->dyn_ltree; + s->l_desc.stat_desc = &static_l_desc; + + s->d_desc.dyn_tree = s->dyn_dtree; + s->d_desc.stat_desc = &static_d_desc; + + s->bl_desc.dyn_tree = s->bl_tree; + s->bl_desc.stat_desc = &static_bl_desc; + + s->bi_buf = 0; + s->bi_valid = 0; + s->last_eob_len = 8; /* enough lookahead for inflate */ +#ifdef DEBUG + s->compressed_len = 0L; + s->bits_sent = 0L; +#endif + + /* Initialize the first block of the first file: */ + init_block(s); +} + +/* =========================================================================== + * Initialize a new block. + */ +local void init_block(s) + deflate_state *s; +{ + int n; /* iterates over tree elements */ + + /* Initialize the trees. */ + for (n = 0; n < L_CODES; n++) s->dyn_ltree[n].Freq = 0; + for (n = 0; n < D_CODES; n++) s->dyn_dtree[n].Freq = 0; + for (n = 0; n < BL_CODES; n++) s->bl_tree[n].Freq = 0; + + s->dyn_ltree[END_BLOCK].Freq = 1; + s->opt_len = s->static_len = 0L; + s->last_lit = s->matches = 0; +} + +#define SMALLEST 1 +/* Index within the heap array of least frequent node in the Huffman tree */ + + +/* =========================================================================== + * Remove the smallest element from the heap and recreate the heap with + * one less element. Updates heap and heap_len. + */ +#define pqremove(s, tree, top) \ +{\ + top = s->heap[SMALLEST]; \ + s->heap[SMALLEST] = s->heap[s->heap_len--]; \ + pqdownheap(s, tree, SMALLEST); \ +} + +/* =========================================================================== + * Compares to subtrees, using the tree depth as tie breaker when + * the subtrees have equal frequency. This minimizes the worst case length. + */ +#define smaller(tree, n, m, depth) \ + (tree[n].Freq < tree[m].Freq || \ + (tree[n].Freq == tree[m].Freq && depth[n] <= depth[m])) + +/* =========================================================================== + * Restore the heap property by moving down the tree starting at node k, + * exchanging a node with the smallest of its two sons if necessary, stopping + * when the heap property is re-established (each father smaller than its + * two sons). + */ +local void pqdownheap(s, tree, k) + deflate_state *s; + ct_data *tree; /* the tree to restore */ + int k; /* node to move down */ +{ + int v = s->heap[k]; + int j = k << 1; /* left son of k */ + while (j <= s->heap_len) { + /* Set j to the smallest of the two sons: */ + if (j < s->heap_len && + smaller(tree, s->heap[j+1], s->heap[j], s->depth)) { + j++; + } + /* Exit if v is smaller than both sons */ + if (smaller(tree, v, s->heap[j], s->depth)) break; + + /* Exchange v with the smallest son */ + s->heap[k] = s->heap[j]; k = j; + + /* And continue down the tree, setting j to the left son of k */ + j <<= 1; + } + s->heap[k] = v; +} + +/* =========================================================================== + * Compute the optimal bit lengths for a tree and update the total bit length + * for the current block. + * IN assertion: the fields freq and dad are set, heap[heap_max] and + * above are the tree nodes sorted by increasing frequency. + * OUT assertions: the field len is set to the optimal bit length, the + * array bl_count contains the frequencies for each bit length. + * The length opt_len is updated; static_len is also updated if stree is + * not null. + */ +local void gen_bitlen(s, desc) + deflate_state *s; + tree_desc *desc; /* the tree descriptor */ +{ + ct_data *tree = desc->dyn_tree; + int max_code = desc->max_code; + const ct_data *stree = desc->stat_desc->static_tree; + const intf *extra = desc->stat_desc->extra_bits; + int base = desc->stat_desc->extra_base; + int max_length = desc->stat_desc->max_length; + int h; /* heap index */ + int n, m; /* iterate over the tree elements */ + int bits; /* bit length */ + int xbits; /* extra bits */ + ush f; /* frequency */ + int overflow = 0; /* number of elements with bit length too large */ + + for (bits = 0; bits <= MAX_BITS; bits++) s->bl_count[bits] = 0; + + /* In a first pass, compute the optimal bit lengths (which may + * overflow in the case of the bit length tree). + */ + tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */ + + for (h = s->heap_max+1; h < HEAP_SIZE; h++) { + n = s->heap[h]; + bits = tree[tree[n].Dad].Len + 1; + if (bits > max_length) bits = max_length, overflow++; + tree[n].Len = (ush)bits; + /* We overwrite tree[n].Dad which is no longer needed */ + + if (n > max_code) continue; /* not a leaf node */ + + s->bl_count[bits]++; + xbits = 0; + if (n >= base) xbits = extra[n-base]; + f = tree[n].Freq; + s->opt_len += (ulg)f * (bits + xbits); + if (stree) s->static_len += (ulg)f * (stree[n].Len + xbits); + } + if (overflow == 0) return; + + Trace((stderr,"\nbit length overflow\n")); + /* This happens for example on obj2 and pic of the Calgary corpus */ + + /* Find the first bit length which could increase: */ + do { + bits = max_length-1; + while (s->bl_count[bits] == 0) bits--; + s->bl_count[bits]--; /* move one leaf down the tree */ + s->bl_count[bits+1] += 2; /* move one overflow item as its brother */ + s->bl_count[max_length]--; + /* The brother of the overflow item also moves one step up, + * but this does not affect bl_count[max_length] + */ + overflow -= 2; + } while (overflow > 0); + + /* Now recompute all bit lengths, scanning in increasing frequency. + * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all + * lengths instead of fixing only the wrong ones. This idea is taken + * from 'ar' written by Haruhiko Okumura.) + */ + for (bits = max_length; bits != 0; bits--) { + n = s->bl_count[bits]; + while (n != 0) { + m = s->heap[--h]; + if (m > max_code) continue; + if ((unsigned) tree[m].Len != (unsigned) bits) { + Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits)); + s->opt_len += ((long)bits - (long)tree[m].Len) + *(long)tree[m].Freq; + tree[m].Len = (ush)bits; + } + n--; + } + } +} + +/* =========================================================================== + * Generate the codes for a given tree and bit counts (which need not be + * optimal). + * IN assertion: the array bl_count contains the bit length statistics for + * the given tree and the field len is set for all tree elements. + * OUT assertion: the field code is set for all tree elements of non + * zero code length. + */ +local void gen_codes (tree, max_code, bl_count) + ct_data *tree; /* the tree to decorate */ + int max_code; /* largest code with non zero frequency */ + ushf *bl_count; /* number of codes at each bit length */ +{ + ush next_code[MAX_BITS+1]; /* next code value for each bit length */ + ush code = 0; /* running code value */ + int bits; /* bit index */ + int n; /* code index */ + + /* The distribution counts are first used to generate the code values + * without bit reversal. + */ + for (bits = 1; bits <= MAX_BITS; bits++) { + next_code[bits] = code = (code + bl_count[bits-1]) << 1; + } + /* Check that the bit counts in bl_count are consistent. The last code + * must be all ones. + */ + Assert (code + bl_count[MAX_BITS]-1 == (1<dyn_tree; + const ct_data *stree = desc->stat_desc->static_tree; + int elems = desc->stat_desc->elems; + int n, m; /* iterate over heap elements */ + int max_code = -1; /* largest code with non zero frequency */ + int node; /* new node being created */ + + /* Construct the initial heap, with least frequent element in + * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1]. + * heap[0] is not used. + */ + s->heap_len = 0, s->heap_max = HEAP_SIZE; + + for (n = 0; n < elems; n++) { + if (tree[n].Freq != 0) { + s->heap[++(s->heap_len)] = max_code = n; + s->depth[n] = 0; + } else { + tree[n].Len = 0; + } + } + + /* The pkzip format requires that at least one distance code exists, + * and that at least one bit should be sent even if there is only one + * possible code. So to avoid special checks later on we force at least + * two codes of non zero frequency. + */ + while (s->heap_len < 2) { + node = s->heap[++(s->heap_len)] = (max_code < 2 ? ++max_code : 0); + tree[node].Freq = 1; + s->depth[node] = 0; + s->opt_len--; if (stree) s->static_len -= stree[node].Len; + /* node is 0 or 1 so it does not have extra bits */ + } + desc->max_code = max_code; + + /* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree, + * establish sub-heaps of increasing lengths: + */ + for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n); + + /* Construct the Huffman tree by repeatedly combining the least two + * frequent nodes. + */ + node = elems; /* next internal node of the tree */ + do { + pqremove(s, tree, n); /* n = node of least frequency */ + m = s->heap[SMALLEST]; /* m = node of next least frequency */ + + s->heap[--(s->heap_max)] = n; /* keep the nodes sorted by frequency */ + s->heap[--(s->heap_max)] = m; + + /* Create a new node father of n and m */ + tree[node].Freq = tree[n].Freq + tree[m].Freq; + s->depth[node] = (uch)((s->depth[n] >= s->depth[m] ? + s->depth[n] : s->depth[m]) + 1); + tree[n].Dad = tree[m].Dad = (ush)node; +#ifdef DUMP_BL_TREE + if (tree == s->bl_tree) { + fprintf(stderr,"\nnode %d(%d), sons %d(%d) %d(%d)", + node, tree[node].Freq, n, tree[n].Freq, m, tree[m].Freq); + } +#endif + /* and insert the new node in the heap */ + s->heap[SMALLEST] = node++; + pqdownheap(s, tree, SMALLEST); + + } while (s->heap_len >= 2); + + s->heap[--(s->heap_max)] = s->heap[SMALLEST]; + + /* At this point, the fields freq and dad are set. We can now + * generate the bit lengths. + */ + gen_bitlen(s, (tree_desc *)desc); + + /* The field len is now set, we can generate the bit codes */ + gen_codes ((ct_data *)tree, max_code, s->bl_count); +} + +/* =========================================================================== + * Scan a literal or distance tree to determine the frequencies of the codes + * in the bit length tree. + */ +local void scan_tree (s, tree, max_code) + deflate_state *s; + ct_data *tree; /* the tree to be scanned */ + int max_code; /* and its largest code of non zero frequency */ +{ + int n; /* iterates over all tree elements */ + int prevlen = -1; /* last emitted length */ + int curlen; /* length of current code */ + int nextlen = tree[0].Len; /* length of next code */ + int count = 0; /* repeat count of the current code */ + int max_count = 7; /* max repeat count */ + int min_count = 4; /* min repeat count */ + + if (nextlen == 0) max_count = 138, min_count = 3; + tree[max_code+1].Len = (ush)0xffff; /* guard */ + + for (n = 0; n <= max_code; n++) { + curlen = nextlen; nextlen = tree[n+1].Len; + if (++count < max_count && curlen == nextlen) { + continue; + } else if (count < min_count) { + s->bl_tree[curlen].Freq += count; + } else if (curlen != 0) { + if (curlen != prevlen) s->bl_tree[curlen].Freq++; + s->bl_tree[REP_3_6].Freq++; + } else if (count <= 10) { + s->bl_tree[REPZ_3_10].Freq++; + } else { + s->bl_tree[REPZ_11_138].Freq++; + } + count = 0; prevlen = curlen; + if (nextlen == 0) { + max_count = 138, min_count = 3; + } else if (curlen == nextlen) { + max_count = 6, min_count = 3; + } else { + max_count = 7, min_count = 4; + } + } +} + +/* =========================================================================== + * Send a literal or distance tree in compressed form, using the codes in + * bl_tree. + */ +local void send_tree (s, tree, max_code) + deflate_state *s; + ct_data *tree; /* the tree to be scanned */ + int max_code; /* and its largest code of non zero frequency */ +{ + int n; /* iterates over all tree elements */ + int prevlen = -1; /* last emitted length */ + int curlen; /* length of current code */ + int nextlen = tree[0].Len; /* length of next code */ + int count = 0; /* repeat count of the current code */ + int max_count = 7; /* max repeat count */ + int min_count = 4; /* min repeat count */ + + /* tree[max_code+1].Len = -1; */ /* guard already set */ + if (nextlen == 0) max_count = 138, min_count = 3; + + for (n = 0; n <= max_code; n++) { + curlen = nextlen; nextlen = tree[n+1].Len; + if (++count < max_count && curlen == nextlen) { + continue; + } else if (count < min_count) { + do { send_code(s, curlen, s->bl_tree); } while (--count != 0); + + } else if (curlen != 0) { + if (curlen != prevlen) { + send_code(s, curlen, s->bl_tree); count--; + } + Assert(count >= 3 && count <= 6, " 3_6?"); + send_code(s, REP_3_6, s->bl_tree); send_bits(s, count-3, 2); + + } else if (count <= 10) { + send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count-3, 3); + + } else { + send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count-11, 7); + } + count = 0; prevlen = curlen; + if (nextlen == 0) { + max_count = 138, min_count = 3; + } else if (curlen == nextlen) { + max_count = 6, min_count = 3; + } else { + max_count = 7, min_count = 4; + } + } +} + +/* =========================================================================== + * Construct the Huffman tree for the bit lengths and return the index in + * bl_order of the last bit length code to send. + */ +local int build_bl_tree(s) + deflate_state *s; +{ + int max_blindex; /* index of last bit length code of non zero freq */ + + /* Determine the bit length frequencies for literal and distance trees */ + scan_tree(s, (ct_data *)s->dyn_ltree, s->l_desc.max_code); + scan_tree(s, (ct_data *)s->dyn_dtree, s->d_desc.max_code); + + /* Build the bit length tree: */ + build_tree(s, (tree_desc *)(&(s->bl_desc))); + /* opt_len now includes the length of the tree representations, except + * the lengths of the bit lengths codes and the 5+5+4 bits for the counts. + */ + + /* Determine the number of bit length codes to send. The pkzip format + * requires that at least 4 bit length codes be sent. (appnote.txt says + * 3 but the actual value used is 4.) + */ + for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) { + if (s->bl_tree[bl_order[max_blindex]].Len != 0) break; + } + /* Update opt_len to include the bit length tree and counts */ + s->opt_len += 3*(max_blindex+1) + 5+5+4; + Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld", + s->opt_len, s->static_len)); + + return max_blindex; +} + +/* =========================================================================== + * Send the header for a block using dynamic Huffman trees: the counts, the + * lengths of the bit length codes, the literal tree and the distance tree. + * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4. + */ +local void send_all_trees(s, lcodes, dcodes, blcodes) + deflate_state *s; + int lcodes, dcodes, blcodes; /* number of codes for each tree */ +{ + int rank; /* index in bl_order */ + + Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes"); + Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES, + "too many codes"); + Tracev((stderr, "\nbl counts: ")); + send_bits(s, lcodes-257, 5); /* not +255 as stated in appnote.txt */ + send_bits(s, dcodes-1, 5); + send_bits(s, blcodes-4, 4); /* not -3 as stated in appnote.txt */ + for (rank = 0; rank < blcodes; rank++) { + Tracev((stderr, "\nbl code %2d ", bl_order[rank])); + send_bits(s, s->bl_tree[bl_order[rank]].Len, 3); + } + Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent)); + + send_tree(s, (ct_data *)s->dyn_ltree, lcodes-1); /* literal tree */ + Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent)); + + send_tree(s, (ct_data *)s->dyn_dtree, dcodes-1); /* distance tree */ + Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent)); +} + +/* =========================================================================== + * Send a stored block + */ +void _tr_stored_block(s, buf, stored_len, eof) + deflate_state *s; + charf *buf; /* input block */ + ulg stored_len; /* length of input block */ + int eof; /* true if this is the last block for a file */ +{ + send_bits(s, (STORED_BLOCK<<1)+eof, 3); /* send block type */ +#ifdef DEBUG + s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L; + s->compressed_len += (stored_len + 4) << 3; +#endif + copy_block(s, buf, (unsigned)stored_len, 1); /* with header */ +} + +/* =========================================================================== + * Send one empty static block to give enough lookahead for inflate. + * This takes 10 bits, of which 7 may remain in the bit buffer. + * The current inflate code requires 9 bits of lookahead. If the + * last two codes for the previous block (real code plus EOB) were coded + * on 5 bits or less, inflate may have only 5+3 bits of lookahead to decode + * the last real code. In this case we send two empty static blocks instead + * of one. (There are no problems if the previous block is stored or fixed.) + * To simplify the code, we assume the worst case of last real code encoded + * on one bit only. + */ +void _tr_align(s) + deflate_state *s; +{ + send_bits(s, STATIC_TREES<<1, 3); + send_code(s, END_BLOCK, static_ltree); +#ifdef DEBUG + s->compressed_len += 10L; /* 3 for block type, 7 for EOB */ +#endif + bi_flush(s); + /* Of the 10 bits for the empty block, we have already sent + * (10 - bi_valid) bits. The lookahead for the last real code (before + * the EOB of the previous block) was thus at least one plus the length + * of the EOB plus what we have just sent of the empty static block. + */ + if (1 + s->last_eob_len + 10 - s->bi_valid < 9) { + send_bits(s, STATIC_TREES<<1, 3); + send_code(s, END_BLOCK, static_ltree); +#ifdef DEBUG + s->compressed_len += 10L; +#endif + bi_flush(s); + } + s->last_eob_len = 7; +} + +/* =========================================================================== + * Determine the best encoding for the current block: dynamic trees, static + * trees or store, and output the encoded block to the zip file. + */ +void _tr_flush_block(s, buf, stored_len, eof) + deflate_state *s; + charf *buf; /* input block, or NULL if too old */ + ulg stored_len; /* length of input block */ + int eof; /* true if this is the last block for a file */ +{ + ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */ + int max_blindex = 0; /* index of last bit length code of non zero freq */ + + /* Build the Huffman trees unless a stored block is forced */ + if (s->level > 0) { + + /* Check if the file is binary or text */ + if (stored_len > 0 && s->strm->data_type == Z_UNKNOWN) + set_data_type(s); + + /* Construct the literal and distance trees */ + build_tree(s, (tree_desc *)(&(s->l_desc))); + Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len, + s->static_len)); + + build_tree(s, (tree_desc *)(&(s->d_desc))); + Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len, + s->static_len)); + /* At this point, opt_len and static_len are the total bit lengths of + * the compressed block data, excluding the tree representations. + */ + + /* Build the bit length tree for the above two trees, and get the index + * in bl_order of the last bit length code to send. + */ + max_blindex = build_bl_tree(s); + + /* Determine the best encoding. Compute the block lengths in bytes. */ + opt_lenb = (s->opt_len+3+7)>>3; + static_lenb = (s->static_len+3+7)>>3; + + Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ", + opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len, + s->last_lit)); + + if (static_lenb <= opt_lenb) opt_lenb = static_lenb; + + } else { + Assert(buf != (char*)0, "lost buf"); + opt_lenb = static_lenb = stored_len + 5; /* force a stored block */ + } + +#ifdef FORCE_STORED + if (buf != (char*)0) { /* force stored block */ +#else + if (stored_len+4 <= opt_lenb && buf != (char*)0) { + /* 4: two words for the lengths */ +#endif + /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE. + * Otherwise we can't have processed more than WSIZE input bytes since + * the last block flush, because compression would have been + * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to + * transform a block into a stored block. + */ + _tr_stored_block(s, buf, stored_len, eof); + +#ifdef FORCE_STATIC + } else if (static_lenb >= 0) { /* force static trees */ +#else + } else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) { +#endif + send_bits(s, (STATIC_TREES<<1)+eof, 3); + compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree); +#ifdef DEBUG + s->compressed_len += 3 + s->static_len; +#endif + } else { + send_bits(s, (DYN_TREES<<1)+eof, 3); + send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1, + max_blindex+1); + compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree); +#ifdef DEBUG + s->compressed_len += 3 + s->opt_len; +#endif + } + Assert (s->compressed_len == s->bits_sent, "bad compressed size"); + /* The above check is made mod 2^32, for files larger than 512 MB + * and uLong implemented on 32 bits. + */ + init_block(s); + + if (eof) { + bi_windup(s); +#ifdef DEBUG + s->compressed_len += 7; /* align on byte boundary */ +#endif + } + Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3, + s->compressed_len-7*eof)); +} + +/* =========================================================================== + * Save the match info and tally the frequency counts. Return true if + * the current block must be flushed. + */ +int _tr_tally (s, dist, lc) + deflate_state *s; + unsigned dist; /* distance of matched string */ + unsigned lc; /* match length-MIN_MATCH or unmatched char (if dist==0) */ +{ + s->d_buf[s->last_lit] = (ush)dist; + s->l_buf[s->last_lit++] = (uch)lc; + if (dist == 0) { + /* lc is the unmatched char */ + s->dyn_ltree[lc].Freq++; + } else { + s->matches++; + /* Here, lc is the match length - MIN_MATCH */ + dist--; /* dist = match distance - 1 */ + Assert((ush)dist < (ush)MAX_DIST(s) && + (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) && + (ush)d_code(dist) < (ush)D_CODES, "_tr_tally: bad match"); + + s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++; + s->dyn_dtree[d_code(dist)].Freq++; + } + +#ifdef TRUNCATE_BLOCK + /* Try to guess if it is profitable to stop the current block here */ + if ((s->last_lit & 0x1fff) == 0 && s->level > 2) { + /* Compute an upper bound for the compressed length */ + ulg out_length = (ulg)s->last_lit*8L; + ulg in_length = (ulg)((long)s->strstart - s->block_start); + int dcode; + for (dcode = 0; dcode < D_CODES; dcode++) { + out_length += (ulg)s->dyn_dtree[dcode].Freq * + (5L+extra_dbits[dcode]); + } + out_length >>= 3; + Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ", + s->last_lit, in_length, out_length, + 100L - out_length*100L/in_length)); + if (s->matches < s->last_lit/2 && out_length < in_length/2) return 1; + } +#endif + return (s->last_lit == s->lit_bufsize-1); + /* We avoid equality with lit_bufsize because of wraparound at 64K + * on 16 bit machines and because stored blocks are restricted to + * 64K-1 bytes. + */ +} + +/* =========================================================================== + * Send the block data compressed using the given Huffman trees + */ +local void compress_block(s, ltree, dtree) + deflate_state *s; + ct_data *ltree; /* literal tree */ + ct_data *dtree; /* distance tree */ +{ + unsigned dist; /* distance of matched string */ + int lc; /* match length or unmatched char (if dist == 0) */ + unsigned lx = 0; /* running index in l_buf */ + unsigned code; /* the code to send */ + int extra; /* number of extra bits to send */ + + if (s->last_lit != 0) do { + dist = s->d_buf[lx]; + lc = s->l_buf[lx++]; + if (dist == 0) { + send_code(s, lc, ltree); /* send a literal byte */ + Tracecv(isgraph(lc), (stderr," '%c' ", lc)); + } else { + /* Here, lc is the match length - MIN_MATCH */ + code = _length_code[lc]; + send_code(s, code+LITERALS+1, ltree); /* send the length code */ + extra = extra_lbits[code]; + if (extra != 0) { + lc -= base_length[code]; + send_bits(s, lc, extra); /* send the extra length bits */ + } + dist--; /* dist is now the match distance - 1 */ + code = d_code(dist); + Assert (code < D_CODES, "bad d_code"); + + send_code(s, code, dtree); /* send the distance code */ + extra = extra_dbits[code]; + if (extra != 0) { + dist -= base_dist[code]; + send_bits(s, dist, extra); /* send the extra distance bits */ + } + } /* literal or match pair ? */ + + /* Check that the overlay between pending_buf and d_buf+l_buf is ok: */ + Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx, + "pendingBuf overflow"); + + } while (lx < s->last_lit); + + send_code(s, END_BLOCK, ltree); + s->last_eob_len = ltree[END_BLOCK].Len; +} + +/* =========================================================================== + * Set the data type to BINARY or TEXT, using a crude approximation: + * set it to Z_TEXT if all symbols are either printable characters (33 to 255) + * or white spaces (9 to 13, or 32); or set it to Z_BINARY otherwise. + * IN assertion: the fields Freq of dyn_ltree are set. + */ +local void set_data_type(s) + deflate_state *s; +{ + int n; + + for (n = 0; n < 9; n++) + if (s->dyn_ltree[n].Freq != 0) + break; + if (n == 9) + for (n = 14; n < 32; n++) + if (s->dyn_ltree[n].Freq != 0) + break; + s->strm->data_type = (n == 32) ? Z_TEXT : Z_BINARY; +} + +/* =========================================================================== + * Reverse the first len bits of a code, using straightforward code (a faster + * method would use a table) + * IN assertion: 1 <= len <= 15 + */ +local unsigned bi_reverse(code, len) + unsigned code; /* the value to invert */ + int len; /* its bit length */ +{ + register unsigned res = 0; + do { + res |= code & 1; + code >>= 1, res <<= 1; + } while (--len > 0); + return res >> 1; +} + +/* =========================================================================== + * Flush the bit buffer, keeping at most 7 bits in it. + */ +local void bi_flush(s) + deflate_state *s; +{ + if (s->bi_valid == 16) { + put_short(s, s->bi_buf); + s->bi_buf = 0; + s->bi_valid = 0; + } else if (s->bi_valid >= 8) { + put_byte(s, (Byte)s->bi_buf); + s->bi_buf >>= 8; + s->bi_valid -= 8; + } +} + +/* =========================================================================== + * Flush the bit buffer and align the output on a byte boundary + */ +local void bi_windup(s) + deflate_state *s; +{ + if (s->bi_valid > 8) { + put_short(s, s->bi_buf); + } else if (s->bi_valid > 0) { + put_byte(s, (Byte)s->bi_buf); + } + s->bi_buf = 0; + s->bi_valid = 0; +#ifdef DEBUG + s->bits_sent = (s->bits_sent+7) & ~7; +#endif +} + +/* =========================================================================== + * Copy a stored block, storing first the length and its + * one's complement if requested. + */ +local void copy_block(s, buf, len, header) + deflate_state *s; + charf *buf; /* the input data */ + unsigned len; /* its length */ + int header; /* true if block header must be written */ +{ + bi_windup(s); /* align on byte boundary */ + s->last_eob_len = 8; /* enough lookahead for inflate */ + + if (header) { + put_short(s, (ush)len); + put_short(s, (ush)~len); +#ifdef DEBUG + s->bits_sent += 2*16; +#endif + } +#ifdef DEBUG + s->bits_sent += (ulg)len<<3; +#endif + while (len--) { + put_byte(s, *buf++); + } +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/trees.h b/Build/source/libs/zlib/zlib-1.2.3/trees.h new file mode 100644 index 00000000000..72facf900f7 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/trees.h @@ -0,0 +1,128 @@ +/* header created automatically with -DGEN_TREES_H */ + +local const ct_data static_ltree[L_CODES+2] = { +{{ 12},{ 8}}, {{140},{ 8}}, {{ 76},{ 8}}, {{204},{ 8}}, {{ 44},{ 8}}, +{{172},{ 8}}, {{108},{ 8}}, {{236},{ 8}}, {{ 28},{ 8}}, {{156},{ 8}}, +{{ 92},{ 8}}, {{220},{ 8}}, {{ 60},{ 8}}, {{188},{ 8}}, {{124},{ 8}}, +{{252},{ 8}}, {{ 2},{ 8}}, {{130},{ 8}}, {{ 66},{ 8}}, {{194},{ 8}}, +{{ 34},{ 8}}, {{162},{ 8}}, {{ 98},{ 8}}, {{226},{ 8}}, {{ 18},{ 8}}, +{{146},{ 8}}, {{ 82},{ 8}}, {{210},{ 8}}, {{ 50},{ 8}}, {{178},{ 8}}, +{{114},{ 8}}, {{242},{ 8}}, {{ 10},{ 8}}, {{138},{ 8}}, {{ 74},{ 8}}, +{{202},{ 8}}, {{ 42},{ 8}}, {{170},{ 8}}, {{106},{ 8}}, {{234},{ 8}}, +{{ 26},{ 8}}, {{154},{ 8}}, {{ 90},{ 8}}, {{218},{ 8}}, {{ 58},{ 8}}, +{{186},{ 8}}, {{122},{ 8}}, {{250},{ 8}}, {{ 6},{ 8}}, {{134},{ 8}}, +{{ 70},{ 8}}, {{198},{ 8}}, {{ 38},{ 8}}, {{166},{ 8}}, {{102},{ 8}}, +{{230},{ 8}}, {{ 22},{ 8}}, {{150},{ 8}}, {{ 86},{ 8}}, {{214},{ 8}}, +{{ 54},{ 8}}, {{182},{ 8}}, {{118},{ 8}}, {{246},{ 8}}, {{ 14},{ 8}}, +{{142},{ 8}}, {{ 78},{ 8}}, {{206},{ 8}}, {{ 46},{ 8}}, {{174},{ 8}}, +{{110},{ 8}}, {{238},{ 8}}, {{ 30},{ 8}}, {{158},{ 8}}, {{ 94},{ 8}}, +{{222},{ 8}}, {{ 62},{ 8}}, {{190},{ 8}}, {{126},{ 8}}, {{254},{ 8}}, +{{ 1},{ 8}}, {{129},{ 8}}, {{ 65},{ 8}}, {{193},{ 8}}, {{ 33},{ 8}}, +{{161},{ 8}}, {{ 97},{ 8}}, {{225},{ 8}}, {{ 17},{ 8}}, {{145},{ 8}}, +{{ 81},{ 8}}, {{209},{ 8}}, {{ 49},{ 8}}, {{177},{ 8}}, {{113},{ 8}}, +{{241},{ 8}}, {{ 9},{ 8}}, {{137},{ 8}}, {{ 73},{ 8}}, {{201},{ 8}}, +{{ 41},{ 8}}, {{169},{ 8}}, {{105},{ 8}}, {{233},{ 8}}, {{ 25},{ 8}}, +{{153},{ 8}}, {{ 89},{ 8}}, {{217},{ 8}}, {{ 57},{ 8}}, {{185},{ 8}}, +{{121},{ 8}}, {{249},{ 8}}, {{ 5},{ 8}}, {{133},{ 8}}, {{ 69},{ 8}}, +{{197},{ 8}}, {{ 37},{ 8}}, {{165},{ 8}}, {{101},{ 8}}, {{229},{ 8}}, +{{ 21},{ 8}}, {{149},{ 8}}, {{ 85},{ 8}}, {{213},{ 8}}, {{ 53},{ 8}}, +{{181},{ 8}}, {{117},{ 8}}, {{245},{ 8}}, {{ 13},{ 8}}, {{141},{ 8}}, +{{ 77},{ 8}}, {{205},{ 8}}, {{ 45},{ 8}}, {{173},{ 8}}, {{109},{ 8}}, +{{237},{ 8}}, {{ 29},{ 8}}, {{157},{ 8}}, {{ 93},{ 8}}, {{221},{ 8}}, +{{ 61},{ 8}}, {{189},{ 8}}, {{125},{ 8}}, {{253},{ 8}}, {{ 19},{ 9}}, +{{275},{ 9}}, {{147},{ 9}}, {{403},{ 9}}, {{ 83},{ 9}}, {{339},{ 9}}, +{{211},{ 9}}, {{467},{ 9}}, {{ 51},{ 9}}, {{307},{ 9}}, {{179},{ 9}}, +{{435},{ 9}}, {{115},{ 9}}, {{371},{ 9}}, {{243},{ 9}}, {{499},{ 9}}, +{{ 11},{ 9}}, {{267},{ 9}}, {{139},{ 9}}, {{395},{ 9}}, {{ 75},{ 9}}, +{{331},{ 9}}, {{203},{ 9}}, {{459},{ 9}}, {{ 43},{ 9}}, {{299},{ 9}}, +{{171},{ 9}}, {{427},{ 9}}, {{107},{ 9}}, {{363},{ 9}}, {{235},{ 9}}, +{{491},{ 9}}, {{ 27},{ 9}}, {{283},{ 9}}, {{155},{ 9}}, {{411},{ 9}}, +{{ 91},{ 9}}, {{347},{ 9}}, {{219},{ 9}}, {{475},{ 9}}, {{ 59},{ 9}}, +{{315},{ 9}}, {{187},{ 9}}, {{443},{ 9}}, {{123},{ 9}}, {{379},{ 9}}, +{{251},{ 9}}, {{507},{ 9}}, {{ 7},{ 9}}, {{263},{ 9}}, {{135},{ 9}}, +{{391},{ 9}}, {{ 71},{ 9}}, {{327},{ 9}}, {{199},{ 9}}, {{455},{ 9}}, +{{ 39},{ 9}}, {{295},{ 9}}, {{167},{ 9}}, {{423},{ 9}}, {{103},{ 9}}, +{{359},{ 9}}, {{231},{ 9}}, {{487},{ 9}}, {{ 23},{ 9}}, {{279},{ 9}}, +{{151},{ 9}}, {{407},{ 9}}, {{ 87},{ 9}}, {{343},{ 9}}, {{215},{ 9}}, +{{471},{ 9}}, {{ 55},{ 9}}, {{311},{ 9}}, {{183},{ 9}}, {{439},{ 9}}, +{{119},{ 9}}, {{375},{ 9}}, {{247},{ 9}}, {{503},{ 9}}, {{ 15},{ 9}}, +{{271},{ 9}}, {{143},{ 9}}, {{399},{ 9}}, {{ 79},{ 9}}, {{335},{ 9}}, +{{207},{ 9}}, {{463},{ 9}}, {{ 47},{ 9}}, {{303},{ 9}}, {{175},{ 9}}, +{{431},{ 9}}, {{111},{ 9}}, {{367},{ 9}}, {{239},{ 9}}, {{495},{ 9}}, +{{ 31},{ 9}}, {{287},{ 9}}, {{159},{ 9}}, {{415},{ 9}}, {{ 95},{ 9}}, +{{351},{ 9}}, {{223},{ 9}}, {{479},{ 9}}, {{ 63},{ 9}}, {{319},{ 9}}, +{{191},{ 9}}, {{447},{ 9}}, {{127},{ 9}}, {{383},{ 9}}, {{255},{ 9}}, +{{511},{ 9}}, {{ 0},{ 7}}, {{ 64},{ 7}}, {{ 32},{ 7}}, {{ 96},{ 7}}, +{{ 16},{ 7}}, {{ 80},{ 7}}, {{ 48},{ 7}}, {{112},{ 7}}, {{ 8},{ 7}}, +{{ 72},{ 7}}, {{ 40},{ 7}}, {{104},{ 7}}, {{ 24},{ 7}}, {{ 88},{ 7}}, +{{ 56},{ 7}}, {{120},{ 7}}, {{ 4},{ 7}}, {{ 68},{ 7}}, {{ 36},{ 7}}, +{{100},{ 7}}, {{ 20},{ 7}}, {{ 84},{ 7}}, {{ 52},{ 7}}, {{116},{ 7}}, +{{ 3},{ 8}}, {{131},{ 8}}, {{ 67},{ 8}}, {{195},{ 8}}, {{ 35},{ 8}}, +{{163},{ 8}}, {{ 99},{ 8}}, {{227},{ 8}} +}; + +local const ct_data static_dtree[D_CODES] = { +{{ 0},{ 5}}, {{16},{ 5}}, {{ 8},{ 5}}, {{24},{ 5}}, {{ 4},{ 5}}, +{{20},{ 5}}, {{12},{ 5}}, {{28},{ 5}}, {{ 2},{ 5}}, {{18},{ 5}}, +{{10},{ 5}}, {{26},{ 5}}, {{ 6},{ 5}}, {{22},{ 5}}, {{14},{ 5}}, +{{30},{ 5}}, {{ 1},{ 5}}, {{17},{ 5}}, {{ 9},{ 5}}, {{25},{ 5}}, +{{ 5},{ 5}}, {{21},{ 5}}, {{13},{ 5}}, {{29},{ 5}}, {{ 3},{ 5}}, +{{19},{ 5}}, {{11},{ 5}}, {{27},{ 5}}, {{ 7},{ 5}}, {{23},{ 5}} +}; + +const uch _dist_code[DIST_CODE_LEN] = { + 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, + 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, +10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, +11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, +12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, +13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, +13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, +14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, +15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 16, 17, +18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, +23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, +28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, +29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29 +}; + +const uch _length_code[MAX_MATCH-MIN_MATCH+1]= { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12, +13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, +17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, +19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, +21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, +22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, +23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, +25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, +25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, +26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, +27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28 +}; + +local const int base_length[LENGTH_CODES] = { +0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, +64, 80, 96, 112, 128, 160, 192, 224, 0 +}; + +local const int base_dist[D_CODES] = { + 0, 1, 2, 3, 4, 6, 8, 12, 16, 24, + 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, + 1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, 24576 +}; + diff --git a/Build/source/libs/zlib/zlib-1.2.3/uncompr.c b/Build/source/libs/zlib/zlib-1.2.3/uncompr.c new file mode 100644 index 00000000000..b59e3d0defb --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/uncompr.c @@ -0,0 +1,61 @@ +/* uncompr.c -- decompress a memory buffer + * Copyright (C) 1995-2003 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#define ZLIB_INTERNAL +#include "zlib.h" + +/* =========================================================================== + Decompresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total + size of the destination buffer, which must be large enough to hold the + entire uncompressed data. (The size of the uncompressed data must have + been saved previously by the compressor and transmitted to the decompressor + by some mechanism outside the scope of this compression library.) + Upon exit, destLen is the actual size of the compressed buffer. + This function can be used to decompress a whole file at once if the + input file is mmap'ed. + + uncompress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer, or Z_DATA_ERROR if the input data was corrupted. +*/ +int ZEXPORT uncompress (dest, destLen, source, sourceLen) + Bytef *dest; + uLongf *destLen; + const Bytef *source; + uLong sourceLen; +{ + z_stream stream; + int err; + + stream.next_in = (Bytef*)source; + stream.avail_in = (uInt)sourceLen; + /* Check for source > 64K on 16-bit machine: */ + if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; + + stream.next_out = dest; + stream.avail_out = (uInt)*destLen; + if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; + + stream.zalloc = (alloc_func)0; + stream.zfree = (free_func)0; + + err = inflateInit(&stream); + if (err != Z_OK) return err; + + err = inflate(&stream, Z_FINISH); + if (err != Z_STREAM_END) { + inflateEnd(&stream); + if (err == Z_NEED_DICT || (err == Z_BUF_ERROR && stream.avail_in == 0)) + return Z_DATA_ERROR; + return err; + } + *destLen = stream.total_out; + + err = inflateEnd(&stream); + return err; +} diff --git a/Build/source/libs/zlib/zlib-1.2.3/win32/DLL_FAQ.txt b/Build/source/libs/zlib/zlib-1.2.3/win32/DLL_FAQ.txt new file mode 100644 index 00000000000..fb18e071189 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/win32/DLL_FAQ.txt @@ -0,0 +1,397 @@ + + Frequently Asked Questions about ZLIB1.DLL + + +This document describes the design, the rationale, and the usage +of the official DLL build of zlib, named ZLIB1.DLL. If you have +general questions about zlib, you should see the file "FAQ" found +in the zlib distribution, or at the following location: + http://www.gzip.org/zlib/zlib_faq.html + + + 1. What is ZLIB1.DLL, and how can I get it? + + - ZLIB1.DLL is the official build of zlib as a DLL. + (Please remark the character '1' in the name.) + + Pointers to a precompiled ZLIB1.DLL can be found in the zlib + web site at: + http://www.zlib.org/ + + Applications that link to ZLIB1.DLL can rely on the following + specification: + + * The exported symbols are exclusively defined in the source + files "zlib.h" and "zlib.def", found in an official zlib + source distribution. + * The symbols are exported by name, not by ordinal. + * The exported names are undecorated. + * The calling convention of functions is "C" (CDECL). + * The ZLIB1.DLL binary is linked to MSVCRT.DLL. + + The archive in which ZLIB1.DLL is bundled contains compiled + test programs that must run with a valid build of ZLIB1.DLL. + It is recommended to download the prebuilt DLL from the zlib + web site, instead of building it yourself, to avoid potential + incompatibilities that could be introduced by your compiler + and build settings. If you do build the DLL yourself, please + make sure that it complies with all the above requirements, + and it runs with the precompiled test programs, bundled with + the original ZLIB1.DLL distribution. + + If, for any reason, you need to build an incompatible DLL, + please use a different file name. + + + 2. Why did you change the name of the DLL to ZLIB1.DLL? + What happened to the old ZLIB.DLL? + + - The old ZLIB.DLL, built from zlib-1.1.4 or earlier, required + compilation settings that were incompatible to those used by + a static build. The DLL settings were supposed to be enabled + by defining the macro ZLIB_DLL, before including "zlib.h". + Incorrect handling of this macro was silently accepted at + build time, resulting in two major problems: + + * ZLIB_DLL was missing from the old makefile. When building + the DLL, not all people added it to the build options. In + consequence, incompatible incarnations of ZLIB.DLL started + to circulate around the net. + + * When switching from using the static library to using the + DLL, applications had to define the ZLIB_DLL macro and + to recompile all the sources that contained calls to zlib + functions. Failure to do so resulted in creating binaries + that were unable to run with the official ZLIB.DLL build. + + The only possible solution that we could foresee was to make + a binary-incompatible change in the DLL interface, in order to + remove the dependency on the ZLIB_DLL macro, and to release + the new DLL under a different name. + + We chose the name ZLIB1.DLL, where '1' indicates the major + zlib version number. We hope that we will not have to break + the binary compatibility again, at least not as long as the + zlib-1.x series will last. + + There is still a ZLIB_DLL macro, that can trigger a more + efficient build and use of the DLL, but compatibility no + longer dependents on it. + + + 3. Can I build ZLIB.DLL from the new zlib sources, and replace + an old ZLIB.DLL, that was built from zlib-1.1.4 or earlier? + + - In principle, you can do it by assigning calling convention + keywords to the macros ZEXPORT and ZEXPORTVA. In practice, + it depends on what you mean by "an old ZLIB.DLL", because the + old DLL exists in several mutually-incompatible versions. + You have to find out first what kind of calling convention is + being used in your particular ZLIB.DLL build, and to use the + same one in the new build. If you don't know what this is all + about, you might be better off if you would just leave the old + DLL intact. + + + 4. Can I compile my application using the new zlib interface, and + link it to an old ZLIB.DLL, that was built from zlib-1.1.4 or + earlier? + + - The official answer is "no"; the real answer depends again on + what kind of ZLIB.DLL you have. Even if you are lucky, this + course of action is unreliable. + + If you rebuild your application and you intend to use a newer + version of zlib (post- 1.1.4), it is strongly recommended to + link it to the new ZLIB1.DLL. + + + 5. Why are the zlib symbols exported by name, and not by ordinal? + + - Although exporting symbols by ordinal is a little faster, it + is risky. Any single glitch in the maintenance or use of the + DEF file that contains the ordinals can result in incompatible + builds and frustrating crashes. Simply put, the benefits of + exporting symbols by ordinal do not justify the risks. + + Technically, it should be possible to maintain ordinals in + the DEF file, and still export the symbols by name. Ordinals + exist in every DLL, and even if the dynamic linking performed + at the DLL startup is searching for names, ordinals serve as + hints, for a faster name lookup. However, if the DEF file + contains ordinals, the Microsoft linker automatically builds + an implib that will cause the executables linked to it to use + those ordinals, and not the names. It is interesting to + notice that the GNU linker for Win32 does not suffer from this + problem. + + It is possible to avoid the DEF file if the exported symbols + are accompanied by a "__declspec(dllexport)" attribute in the + source files. You can do this in zlib by predefining the + ZLIB_DLL macro. + + + 6. I see that the ZLIB1.DLL functions use the "C" (CDECL) calling + convention. Why not use the STDCALL convention? + STDCALL is the standard convention in Win32, and I need it in + my Visual Basic project! + + (For readability, we use CDECL to refer to the convention + triggered by the "__cdecl" keyword, STDCALL to refer to + the convention triggered by "__stdcall", and FASTCALL to + refer to the convention triggered by "__fastcall".) + + - Most of the native Windows API functions (without varargs) use + indeed the WINAPI convention (which translates to STDCALL in + Win32), but the standard C functions use CDECL. If a user + application is intrinsically tied to the Windows API (e.g. + it calls native Windows API functions such as CreateFile()), + sometimes it makes sense to decorate its own functions with + WINAPI. But if ANSI C or POSIX portability is a goal (e.g. + it calls standard C functions such as fopen()), it is not a + sound decision to request the inclusion of , or to + use non-ANSI constructs, for the sole purpose to make the user + functions STDCALL-able. + + The functionality offered by zlib is not in the category of + "Windows functionality", but is more like "C functionality". + + Technically, STDCALL is not bad; in fact, it is slightly + faster than CDECL, and it works with variable-argument + functions, just like CDECL. It is unfortunate that, in spite + of using STDCALL in the Windows API, it is not the default + convention used by the C compilers that run under Windows. + The roots of the problem reside deep inside the unsafety of + the K&R-style function prototypes, where the argument types + are not specified; but that is another story for another day. + + The remaining fact is that CDECL is the default convention. + Even if an explicit convention is hard-coded into the function + prototypes inside C headers, problems may appear. The + necessity to expose the convention in users' callbacks is one + of these problems. + + The calling convention issues are also important when using + zlib in other programming languages. Some of them, like Ada + (GNAT) and Fortran (GNU G77), have C bindings implemented + initially on Unix, and relying on the C calling convention. + On the other hand, the pre- .NET versions of Microsoft Visual + Basic require STDCALL, while Borland Delphi prefers, although + it does not require, FASTCALL. + + In fairness to all possible uses of zlib outside the C + programming language, we choose the default "C" convention. + Anyone interested in different bindings or conventions is + encouraged to maintain specialized projects. The "contrib/" + directory from the zlib distribution already holds a couple + of foreign bindings, such as Ada, C++, and Delphi. + + + 7. I need a DLL for my Visual Basic project. What can I do? + + - Define the ZLIB_WINAPI macro before including "zlib.h", when + building both the DLL and the user application (except that + you don't need to define anything when using the DLL in Visual + Basic). The ZLIB_WINAPI macro will switch on the WINAPI + (STDCALL) convention. The name of this DLL must be different + than the official ZLIB1.DLL. + + Gilles Vollant has contributed a build named ZLIBWAPI.DLL, + with the ZLIB_WINAPI macro turned on, and with the minizip + functionality built in. For more information, please read + the notes inside "contrib/vstudio/readme.txt", found in the + zlib distribution. + + + 8. I need to use zlib in my Microsoft .NET project. What can I + do? + + - Henrik Ravn has contributed a .NET wrapper around zlib. Look + into contrib/dotzlib/, inside the zlib distribution. + + + 9. If my application uses ZLIB1.DLL, should I link it to + MSVCRT.DLL? Why? + + - It is not required, but it is recommended to link your + application to MSVCRT.DLL, if it uses ZLIB1.DLL. + + The executables (.EXE, .DLL, etc.) that are involved in the + same process and are using the C run-time library (i.e. they + are calling standard C functions), must link to the same + library. There are several libraries in the Win32 system: + CRTDLL.DLL, MSVCRT.DLL, the static C libraries, etc. + Since ZLIB1.DLL is linked to MSVCRT.DLL, the executables that + depend on it should also be linked to MSVCRT.DLL. + + +10. Why are you saying that ZLIB1.DLL and my application should + be linked to the same C run-time (CRT) library? I linked my + application and my DLLs to different C libraries (e.g. my + application to a static library, and my DLLs to MSVCRT.DLL), + and everything works fine. + + - If a user library invokes only pure Win32 API (accessible via + and the related headers), its DLL build will work + in any context. But if this library invokes standard C API, + things get more complicated. + + There is a single Win32 library in a Win32 system. Every + function in this library resides in a single DLL module, that + is safe to call from anywhere. On the other hand, there are + multiple versions of the C library, and each of them has its + own separate internal state. Standalone executables and user + DLLs that call standard C functions must link to a C run-time + (CRT) library, be it static or shared (DLL). Intermixing + occurs when an executable (not necessarily standalone) and a + DLL are linked to different CRTs, and both are running in the + same process. + + Intermixing multiple CRTs is possible, as long as their + internal states are kept intact. The Microsoft Knowledge Base + articles KB94248 "HOWTO: Use the C Run-Time" and KB140584 + "HOWTO: Link with the Correct C Run-Time (CRT) Library" + mention the potential problems raised by intermixing. + + If intermixing works for you, it's because your application + and DLLs are avoiding the corruption of each of the CRTs' + internal states, maybe by careful design, or maybe by fortune. + + Also note that linking ZLIB1.DLL to non-Microsoft CRTs, such + as those provided by Borland, raises similar problems. + + +11. Why are you linking ZLIB1.DLL to MSVCRT.DLL? + + - MSVCRT.DLL exists on every Windows 95 with a new service pack + installed, or with Microsoft Internet Explorer 4 or later, and + on all other Windows 4.x or later (Windows 98, Windows NT 4, + or later). It is freely distributable; if not present in the + system, it can be downloaded from Microsoft or from other + software provider for free. + + The fact that MSVCRT.DLL does not exist on a virgin Windows 95 + is not so problematic. Windows 95 is scarcely found nowadays, + Microsoft ended its support a long time ago, and many recent + applications from various vendors, including Microsoft, do not + even run on it. Furthermore, no serious user should run + Windows 95 without a proper update installed. + + +12. Why are you not linking ZLIB1.DLL to + <> ? + + - We considered and abandoned the following alternatives: + + * Linking ZLIB1.DLL to a static C library (LIBC.LIB, or + LIBCMT.LIB) is not a good option. People are using the DLL + mainly to save disk space. If you are linking your program + to a static C library, you may as well consider linking zlib + in statically, too. + + * Linking ZLIB1.DLL to CRTDLL.DLL looks appealing, because + CRTDLL.DLL is present on every Win32 installation. + Unfortunately, it has a series of problems: it does not + work properly with Microsoft's C++ libraries, it does not + provide support for 64-bit file offsets, (and so on...), + and Microsoft discontinued its support a long time ago. + + * Linking ZLIB1.DLL to MSVCR70.DLL or MSVCR71.DLL, supplied + with the Microsoft .NET platform, and Visual C++ 7.0/7.1, + raises problems related to the status of ZLIB1.DLL as a + system component. According to the Microsoft Knowledge Base + article KB326922 "INFO: Redistribution of the Shared C + Runtime Component in Visual C++ .NET", MSVCR70.DLL and + MSVCR71.DLL are not supposed to function as system DLLs, + because they may clash with MSVCRT.DLL. Instead, the + application's installer is supposed to put these DLLs + (if needed) in the application's private directory. + If ZLIB1.DLL depends on a non-system runtime, it cannot + function as a redistributable system component. + + * Linking ZLIB1.DLL to non-Microsoft runtimes, such as + Borland's, or Cygwin's, raises problems related to the + reliable presence of these runtimes on Win32 systems. + It's easier to let the DLL build of zlib up to the people + who distribute these runtimes, and who may proceed as + explained in the answer to Question 14. + + +13. If ZLIB1.DLL cannot be linked to MSVCR70.DLL or MSVCR71.DLL, + how can I build/use ZLIB1.DLL in Microsoft Visual C++ 7.0 + (Visual Studio .NET) or newer? + + - Due to the problems explained in the Microsoft Knowledge Base + article KB326922 (see the previous answer), the C runtime that + comes with the VC7 environment is no longer considered a + system component. That is, it should not be assumed that this + runtime exists, or may be installed in a system directory. + Since ZLIB1.DLL is supposed to be a system component, it may + not depend on a non-system component. + + In order to link ZLIB1.DLL and your application to MSVCRT.DLL + in VC7, you need the library of Visual C++ 6.0 or older. If + you don't have this library at hand, it's probably best not to + use ZLIB1.DLL. + + We are hoping that, in the future, Microsoft will provide a + way to build applications linked to a proper system runtime, + from the Visual C++ environment. Until then, you have a + couple of alternatives, such as linking zlib in statically. + If your application requires dynamic linking, you may proceed + as explained in the answer to Question 14. + + +14. I need to link my own DLL build to a CRT different than + MSVCRT.DLL. What can I do? + + - Feel free to rebuild the DLL from the zlib sources, and link + it the way you want. You should, however, clearly state that + your build is unofficial. You should give it a different file + name, and/or install it in a private directory that can be + accessed by your application only, and is not visible to the + others (e.g. it's not in the SYSTEM or the SYSTEM32 directory, + and it's not in the PATH). Otherwise, your build may clash + with applications that link to the official build. + + For example, in Cygwin, zlib is linked to the Cygwin runtime + CYGWIN1.DLL, and it is distributed under the name CYGZ.DLL. + + +15. May I include additional pieces of code that I find useful, + link them in ZLIB1.DLL, and export them? + + - No. A legitimate build of ZLIB1.DLL must not include code + that does not originate from the official zlib source code. + But you can make your own private DLL build, under a different + file name, as suggested in the previous answer. + + For example, zlib is a part of the VCL library, distributed + with Borland Delphi and C++ Builder. The DLL build of VCL + is a redistributable file, named VCLxx.DLL. + + +16. May I remove some functionality out of ZLIB1.DLL, by enabling + macros like NO_GZCOMPRESS or NO_GZIP at compile time? + + - No. A legitimate build of ZLIB1.DLL must provide the complete + zlib functionality, as implemented in the official zlib source + code. But you can make your own private DLL build, under a + different file name, as suggested in the previous answer. + + +17. I made my own ZLIB1.DLL build. Can I test it for compliance? + + - We prefer that you download the official DLL from the zlib + web site. If you need something peculiar from this DLL, you + can send your suggestion to the zlib mailing list. + + However, in case you do rebuild the DLL yourself, you can run + it with the test programs found in the DLL distribution. + Running these test programs is not a guarantee of compliance, + but a failure can imply a detected problem. + +** + +This document is written and maintained by +Cosmin Truta diff --git a/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.bor b/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.bor new file mode 100644 index 00000000000..b802519ca35 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.bor @@ -0,0 +1,107 @@ +# Makefile for zlib +# Borland C++ for Win32 +# +# Updated for zlib 1.2.x by Cosmin Truta, 11-Mar-2003 +# Last updated: 28-Aug-2003 +# +# Usage: +# make -f win32/Makefile.bor +# make -f win32/Makefile.bor LOCAL_ZLIB=-DASMV OBJA=match.obj OBJPA=+match.obj + +# ------------ Borland C++ ------------ + +# Optional nonstandard preprocessor flags (e.g. -DMAX_MEM_LEVEL=7) +# should be added to the environment via "set LOCAL_ZLIB=-DFOO" or +# added to the declaration of LOC here: +LOC = $(LOCAL_ZLIB) + +CC = bcc32 +AS = bcc32 +LD = bcc32 +AR = tlib +CFLAGS = -a -d -k- -O2 $(LOC) +ASFLAGS = $(LOC) +LDFLAGS = $(LOC) + + +# variables +ZLIB_LIB = zlib.lib + +OBJ1 = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj +OBJ2 = inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +#OBJA = +OBJP1 = +adler32.obj+compress.obj+crc32.obj+deflate.obj+gzio.obj+infback.obj +OBJP2 = +inffast.obj+inflate.obj+inftrees.obj+trees.obj+uncompr.obj+zutil.obj +#OBJPA= + + +# targets +all: $(ZLIB_LIB) example.exe minigzip.exe + +.c.obj: + $(CC) -c $(CFLAGS) $< + +.asm.obj: + $(AS) -c $(ASFLAGS) $< + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzio.obj: gzio.c zutil.h zlib.h zconf.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: example.c zlib.h zconf.h + +minigzip.obj: minigzip.c zlib.h zconf.h + + +# For the sake of the old Borland make, +# the command line is cut to fit in the MS-DOS 128 byte limit: +$(ZLIB_LIB): $(OBJ1) $(OBJ2) $(OBJA) + -del $(ZLIB_LIB) + $(AR) $(ZLIB_LIB) $(OBJP1) + $(AR) $(ZLIB_LIB) $(OBJP2) + $(AR) $(ZLIB_LIB) $(OBJPA) + + +# testing +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +example.exe: example.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) example.obj $(ZLIB_LIB) + +minigzip.exe: minigzip.obj $(ZLIB_LIB) + $(LD) $(LDFLAGS) minigzip.obj $(ZLIB_LIB) + + +# cleanup +clean: + -del *.obj + -del *.lib + -del *.exe + -del *.tds + -del zlib.bak + -del foo.gz diff --git a/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.emx b/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.emx new file mode 100644 index 00000000000..7b08424cedf --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.emx @@ -0,0 +1,69 @@ +# Makefile for zlib. Modified for emx/rsxnt by Chr. Spieler, 6/16/98. +# Copyright (C) 1995-1998 Jean-loup Gailly. +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, or to compile and test, type: +# +# make -fmakefile.emx; make test -fmakefile.emx +# + +CC=gcc -Zwin32 + +#CFLAGS=-MMD -O +#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 +#CFLAGS=-MMD -g -DDEBUG +CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \ + -Wstrict-prototypes -Wmissing-prototypes + +# If cp.exe is available, replace "copy /Y" with "cp -fp" . +CP=copy /Y +# If gnu install.exe is available, replace $(CP) with ginstall. +INSTALL=$(CP) +# The default value of RM is "rm -f." If "rm.exe" is found, comment out: +RM=del +LDLIBS=-L. -lzlib +LD=$(CC) -s -o +LDSHARED=$(CC) + +INCL=zlib.h zconf.h +LIBS=zlib.a + +AR=ar rcs + +prefix=/usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \ + zutil.o inflate.o infback.o inftrees.o inffast.o + +TEST_OBJS = example.o minigzip.o + +all: example.exe minigzip.exe + +test: all + ./example + echo hello world | .\minigzip | .\minigzip -d + +%.o : %.c + $(CC) $(CFLAGS) -c $< -o $@ + +zlib.a: $(OBJS) + $(AR) $@ $(OBJS) + +%.exe : %.o $(LIBS) + $(LD) $@ $< $(LDLIBS) + + +.PHONY : clean + +clean: + $(RM) *.d + $(RM) *.o + $(RM) *.exe + $(RM) zlib.a + $(RM) foo.gz + +DEPS := $(wildcard *.d) +ifneq ($(DEPS),) +include $(DEPS) +endif diff --git a/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.gcc b/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.gcc new file mode 100644 index 00000000000..62a84301560 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.gcc @@ -0,0 +1,141 @@ +# Makefile for zlib, derived from Makefile.dj2. +# Modified for mingw32 by C. Spieler, 6/16/98. +# Updated for zlib 1.2.x by Christian Spieler and Cosmin Truta, Mar-2003. +# Last updated: 1-Aug-2003. +# Tested under Cygwin and MinGW. + +# Copyright (C) 1995-2003 Jean-loup Gailly. +# For conditions of distribution and use, see copyright notice in zlib.h + +# To compile, or to compile and test, type: +# +# make -fmakefile.gcc; make test testdll -fmakefile.gcc +# +# To use the asm code, type: +# cp contrib/asm?86/match.S ./match.S +# make LOC=-DASMV OBJA=match.o -fmakefile.gcc +# +# To install libz.a, zconf.h and zlib.h in the system directories, type: +# +# make install -fmakefile.gcc + +# Note: +# If the platform is *not* MinGW (e.g. it is Cygwin or UWIN), +# the DLL name should be changed from "zlib1.dll". + +STATICLIB = libz.a +SHAREDLIB = zlib1.dll +IMPLIB = libzdll.a + +#LOC = -DASMV +#LOC = -DDEBUG -g + +CC = gcc +CFLAGS = $(LOC) -O3 -Wall + +AS = $(CC) +ASFLAGS = $(LOC) -Wall + +LD = $(CC) +LDFLAGS = $(LOC) -s + +AR = ar +ARFLAGS = rcs + +RC = windres +RCFLAGS = --define GCC_WINDRES + +CP = cp -fp +# If GNU install is available, replace $(CP) with install. +INSTALL = $(CP) +RM = rm -f + +prefix = /usr/local +exec_prefix = $(prefix) + +OBJS = adler32.o compress.o crc32.o deflate.o gzio.o infback.o \ + inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o +OBJA = + +all: $(STATICLIB) $(SHAREDLIB) $(IMPLIB) example minigzip example_d minigzip_d + +test: example minigzip + ./example + echo hello world | ./minigzip | ./minigzip -d + +testdll: example_d minigzip_d + ./example_d + echo hello world | ./minigzip_d | ./minigzip_d -d + +.c.o: + $(CC) $(CFLAGS) -c -o $@ $< + +.S.o: + $(AS) $(ASFLAGS) -c -o $@ $< + +$(STATICLIB): $(OBJS) $(OBJA) + $(AR) $(ARFLAGS) $@ $(OBJS) $(OBJA) + +$(IMPLIB): $(SHAREDLIB) + +$(SHAREDLIB): win32/zlib.def $(OBJS) $(OBJA) zlibrc.o + dllwrap --driver-name $(CC) --def win32/zlib.def \ + --implib $(IMPLIB) -o $@ $(OBJS) $(OBJA) zlibrc.o + strip $@ + +example: example.o $(STATICLIB) + $(LD) $(LDFLAGS) -o $@ example.o $(STATICLIB) + +minigzip: minigzip.o $(STATICLIB) + $(LD) $(LDFLAGS) -o $@ minigzip.o $(STATICLIB) + +example_d: example.o $(IMPLIB) + $(LD) $(LDFLAGS) -o $@ example.o $(IMPLIB) + +minigzip_d: minigzip.o $(IMPLIB) + $(LD) $(LDFLAGS) -o $@ minigzip.o $(IMPLIB) + +zlibrc.o: win32/zlib1.rc + $(RC) $(RCFLAGS) -o $@ win32/zlib1.rc + + +# INCLUDE_PATH and LIBRARY_PATH must be set. + +.PHONY: install uninstall clean + +install: zlib.h zconf.h $(LIB) + -@if not exist $(INCLUDE_PATH)/nul mkdir $(INCLUDE_PATH) + -@if not exist $(LIBRARY_PATH)/nul mkdir $(LIBRARY_PATH) + -$(INSTALL) zlib.h $(INCLUDE_PATH) + -$(INSTALL) zconf.h $(INCLUDE_PATH) + -$(INSTALL) $(STATICLIB) $(LIBRARY_PATH) + -$(INSTALL) $(IMPLIB) $(LIBRARY_PATH) + +uninstall: + -$(RM) $(INCLUDE_PATH)/zlib.h + -$(RM) $(INCLUDE_PATH)/zconf.h + -$(RM) $(LIBRARY_PATH)/$(STATICLIB) + -$(RM) $(LIBRARY_PATH)/$(IMPLIB) + +clean: + -$(RM) $(STATICLIB) + -$(RM) $(SHAREDLIB) + -$(RM) $(IMPLIB) + -$(RM) *.o + -$(RM) *.exe + -$(RM) foo.gz + +adler32.o: zlib.h zconf.h +compress.o: zlib.h zconf.h +crc32.o: crc32.h zlib.h zconf.h +deflate.o: deflate.h zutil.h zlib.h zconf.h +example.o: zlib.h zconf.h +gzio.o: zutil.h zlib.h zconf.h +inffast.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +inflate.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +infback.o: zutil.h zlib.h zconf.h inftrees.h inflate.h inffast.h +inftrees.o: zutil.h zlib.h zconf.h inftrees.h +minigzip.o: zlib.h zconf.h +trees.o: deflate.h zutil.h zlib.h zconf.h trees.h +uncompr.o: zlib.h zconf.h +zutil.o: zutil.h zlib.h zconf.h diff --git a/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.msc b/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.msc new file mode 100644 index 00000000000..528ecaaf24e --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/win32/Makefile.msc @@ -0,0 +1,126 @@ +# Makefile for zlib -- Microsoft (Visual) C +# +# Authors: +# Cosmin Truta, 11-Mar-2003 +# Christian Spieler, 19-Mar-2003 +# +# Last updated: +# Cosmin Truta, 27-Aug-2003 +# +# Usage: +# nmake -f win32/Makefile.msc (standard build) +# nmake -f win32/Makefile.msc LOC=-DFOO (nonstandard build) +# nmake -f win32/Makefile.msc LOC=-DASMV OBJA=match.obj (use ASM code) + + +# optional build flags +LOC = + + +# variables +STATICLIB = zlib.lib +SHAREDLIB = zlib1.dll +IMPLIB = zdll.lib + +CC = cl +AS = ml +LD = link +AR = lib +RC = rc +CFLAGS = -nologo -MD -O2 $(LOC) +ASFLAGS = -coff +LDFLAGS = -nologo -release +ARFLAGS = -nologo +RCFLAGS = /dWIN32 /r + +OBJS = adler32.obj compress.obj crc32.obj deflate.obj gzio.obj infback.obj \ + inffast.obj inflate.obj inftrees.obj trees.obj uncompr.obj zutil.obj +OBJA = + + +# targets +all: $(STATICLIB) $(SHAREDLIB) $(IMPLIB) \ + example.exe minigzip.exe example_d.exe minigzip_d.exe + +$(STATICLIB): $(OBJS) $(OBJA) + $(AR) $(ARFLAGS) -out:$@ $(OBJS) $(OBJA) + +$(IMPLIB): $(SHAREDLIB) + +$(SHAREDLIB): win32/zlib.def $(OBJS) $(OBJA) zlib1.res + $(LD) $(LDFLAGS) -def:win32/zlib.def -dll -implib:$(IMPLIB) \ + -out:$@ $(OBJS) $(OBJA) zlib1.res + +example.exe: example.obj $(STATICLIB) + $(LD) $(LDFLAGS) example.obj $(STATICLIB) + +minigzip.exe: minigzip.obj $(STATICLIB) + $(LD) $(LDFLAGS) minigzip.obj $(STATICLIB) + +example_d.exe: example.obj $(IMPLIB) + $(LD) $(LDFLAGS) -out:$@ example.obj $(IMPLIB) + +minigzip_d.exe: minigzip.obj $(IMPLIB) + $(LD) $(LDFLAGS) -out:$@ minigzip.obj $(IMPLIB) + +.c.obj: + $(CC) -c $(CFLAGS) $< + +.asm.obj: + $(AS) -c $(ASFLAGS) $< + +adler32.obj: adler32.c zlib.h zconf.h + +compress.obj: compress.c zlib.h zconf.h + +crc32.obj: crc32.c zlib.h zconf.h crc32.h + +deflate.obj: deflate.c deflate.h zutil.h zlib.h zconf.h + +gzio.obj: gzio.c zutil.h zlib.h zconf.h + +infback.obj: infback.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inffast.obj: inffast.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h + +inflate.obj: inflate.c zutil.h zlib.h zconf.h inftrees.h inflate.h \ + inffast.h inffixed.h + +inftrees.obj: inftrees.c zutil.h zlib.h zconf.h inftrees.h + +trees.obj: trees.c zutil.h zlib.h zconf.h deflate.h trees.h + +uncompr.obj: uncompr.c zlib.h zconf.h + +zutil.obj: zutil.c zutil.h zlib.h zconf.h + +example.obj: example.c zlib.h zconf.h + +minigzip.obj: minigzip.c zlib.h zconf.h + +zlib1.res: win32/zlib1.rc + $(RC) $(RCFLAGS) /fo$@ win32/zlib1.rc + + +# testing +test: example.exe minigzip.exe + example + echo hello world | minigzip | minigzip -d + +testdll: example_d.exe minigzip_d.exe + example_d + echo hello world | minigzip_d | minigzip_d -d + + +# cleanup +clean: + -del $(STATICLIB) + -del $(SHAREDLIB) + -del $(IMPLIB) + -del *.obj + -del *.res + -del *.exp + -del *.exe + -del foo.gz diff --git a/Build/source/libs/zlib/zlib-1.2.3/win32/VisualC.txt b/Build/source/libs/zlib/zlib-1.2.3/win32/VisualC.txt new file mode 100644 index 00000000000..579a5fc9e0f --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/win32/VisualC.txt @@ -0,0 +1,3 @@ + +To build zlib using the Microsoft Visual C++ environment, +use the appropriate project from the projects/ directory. diff --git a/Build/source/libs/zlib/zlib-1.2.3/win32/zlib.def b/Build/source/libs/zlib/zlib-1.2.3/win32/zlib.def new file mode 100644 index 00000000000..a47cbc10cae --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/win32/zlib.def @@ -0,0 +1,60 @@ +LIBRARY +; zlib data compression library + +EXPORTS +; basic functions + zlibVersion + deflate + deflateEnd + inflate + inflateEnd +; advanced functions + deflateSetDictionary + deflateCopy + deflateReset + deflateParams + deflateBound + deflatePrime + inflateSetDictionary + inflateSync + inflateCopy + inflateReset + inflateBack + inflateBackEnd + zlibCompileFlags +; utility functions + compress + compress2 + compressBound + uncompress + gzopen + gzdopen + gzsetparams + gzread + gzwrite + gzprintf + gzputs + gzgets + gzputc + gzgetc + gzungetc + gzflush + gzseek + gzrewind + gztell + gzeof + gzclose + gzerror + gzclearerr +; checksum functions + adler32 + crc32 +; various hacks, don't look :) + deflateInit_ + deflateInit2_ + inflateInit_ + inflateInit2_ + inflateBackInit_ + inflateSyncPoint + get_crc_table + zError diff --git a/Build/source/libs/zlib/zlib-1.2.3/win32/zlib1.rc b/Build/source/libs/zlib/zlib-1.2.3/win32/zlib1.rc new file mode 100644 index 00000000000..99025c97422 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/win32/zlib1.rc @@ -0,0 +1,39 @@ +#include + +#ifdef GCC_WINDRES +VS_VERSION_INFO VERSIONINFO +#else +VS_VERSION_INFO VERSIONINFO MOVEABLE IMPURE LOADONCALL DISCARDABLE +#endif + FILEVERSION 1,2,2,0 + PRODUCTVERSION 1,2,2,0 + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +#ifdef _DEBUG + FILEFLAGS 1 +#else + FILEFLAGS 0 +#endif + FILEOS VOS_DOS_WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE 0 // not used +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904E4" + //language ID = U.S. English, char set = Windows, Multilingual + BEGIN + VALUE "FileDescription", "zlib data compression library\0" + VALUE "FileVersion", "1.2.3\0" + VALUE "InternalName", "zlib1.dll\0" + VALUE "LegalCopyright", "(C) 1995-2004 Jean-loup Gailly & Mark Adler\0" + VALUE "OriginalFilename", "zlib1.dll\0" + VALUE "ProductName", "zlib\0" + VALUE "ProductVersion", "1.2.3\0" + VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 1252 + END +END diff --git a/Build/source/libs/zlib/zlib-1.2.3/zconf.in.h b/Build/source/libs/zlib/zlib-1.2.3/zconf.in.h new file mode 100644 index 00000000000..03a9431c8be --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/zconf.in.h @@ -0,0 +1,332 @@ +/* zconf.h -- configuration of the zlib compression library + * Copyright (C) 1995-2005 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#ifndef ZCONF_H +#define ZCONF_H + +/* + * If you *really* need a unique prefix for all types and library functions, + * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. + */ +#ifdef Z_PREFIX +# define deflateInit_ z_deflateInit_ +# define deflate z_deflate +# define deflateEnd z_deflateEnd +# define inflateInit_ z_inflateInit_ +# define inflate z_inflate +# define inflateEnd z_inflateEnd +# define deflateInit2_ z_deflateInit2_ +# define deflateSetDictionary z_deflateSetDictionary +# define deflateCopy z_deflateCopy +# define deflateReset z_deflateReset +# define deflateParams z_deflateParams +# define deflateBound z_deflateBound +# define deflatePrime z_deflatePrime +# define inflateInit2_ z_inflateInit2_ +# define inflateSetDictionary z_inflateSetDictionary +# define inflateSync z_inflateSync +# define inflateSyncPoint z_inflateSyncPoint +# define inflateCopy z_inflateCopy +# define inflateReset z_inflateReset +# define inflateBack z_inflateBack +# define inflateBackEnd z_inflateBackEnd +# define compress z_compress +# define compress2 z_compress2 +# define compressBound z_compressBound +# define uncompress z_uncompress +# define adler32 z_adler32 +# define crc32 z_crc32 +# define get_crc_table z_get_crc_table +# define zError z_zError + +# define alloc_func z_alloc_func +# define free_func z_free_func +# define in_func z_in_func +# define out_func z_out_func +# define Byte z_Byte +# define uInt z_uInt +# define uLong z_uLong +# define Bytef z_Bytef +# define charf z_charf +# define intf z_intf +# define uIntf z_uIntf +# define uLongf z_uLongf +# define voidpf z_voidpf +# define voidp z_voidp +#endif + +#if defined(__MSDOS__) && !defined(MSDOS) +# define MSDOS +#endif +#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) +# define OS2 +#endif +#if defined(_WINDOWS) && !defined(WINDOWS) +# define WINDOWS +#endif +#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) +# ifndef WIN32 +# define WIN32 +# endif +#endif +#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) +# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) +# ifndef SYS16BIT +# define SYS16BIT +# endif +# endif +#endif + +/* + * Compile with -DMAXSEG_64K if the alloc function cannot allocate more + * than 64k bytes at a time (needed on systems with 16-bit int). + */ +#ifdef SYS16BIT +# define MAXSEG_64K +#endif +#ifdef MSDOS +# define UNALIGNED_OK +#endif + +#ifdef __STDC_VERSION__ +# ifndef STDC +# define STDC +# endif +# if __STDC_VERSION__ >= 199901L +# ifndef STDC99 +# define STDC99 +# endif +# endif +#endif +#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) +# define STDC +#endif +#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) +# define STDC +#endif +#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) +# define STDC +#endif +#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) +# define STDC +#endif + +#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */ +# define STDC +#endif + +#ifndef STDC +# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ +# define const /* note: need a more gentle solution here */ +# endif +#endif + +/* Some Mac compilers merge all .h files incorrectly: */ +#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) +# define NO_DUMMY_DECL +#endif + +/* Maximum value for memLevel in deflateInit2 */ +#ifndef MAX_MEM_LEVEL +# ifdef MAXSEG_64K +# define MAX_MEM_LEVEL 8 +# else +# define MAX_MEM_LEVEL 9 +# endif +#endif + +/* Maximum value for windowBits in deflateInit2 and inflateInit2. + * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files + * created by gzip. (Files created by minigzip can still be extracted by + * gzip.) + */ +#ifndef MAX_WBITS +# define MAX_WBITS 15 /* 32K LZ77 window */ +#endif + +/* The memory requirements for deflate are (in bytes): + (1 << (windowBits+2)) + (1 << (memLevel+9)) + that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values) + plus a few kilobytes for small objects. For example, if you want to reduce + the default memory requirements from 256K to 128K, compile with + make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" + Of course this will generally degrade compression (there's no free lunch). + + The memory requirements for inflate are (in bytes) 1 << windowBits + that is, 32K for windowBits=15 (default value) plus a few kilobytes + for small objects. +*/ + + /* Type declarations */ + +#ifndef OF /* function prototypes */ +# ifdef STDC +# define OF(args) args +# else +# define OF(args) () +# endif +#endif + +/* The following definitions for FAR are needed only for MSDOS mixed + * model programming (small or medium model with some far allocations). + * This was tested only with MSC; for other MSDOS compilers you may have + * to define NO_MEMCPY in zutil.h. If you don't need the mixed model, + * just define FAR to be empty. + */ +#ifdef SYS16BIT +# if defined(M_I86SM) || defined(M_I86MM) + /* MSC small or medium model */ +# define SMALL_MEDIUM +# ifdef _MSC_VER +# define FAR _far +# else +# define FAR far +# endif +# endif +# if (defined(__SMALL__) || defined(__MEDIUM__)) + /* Turbo C small or medium model */ +# define SMALL_MEDIUM +# ifdef __BORLANDC__ +# define FAR _far +# else +# define FAR far +# endif +# endif +#endif + +#if defined(WINDOWS) || defined(WIN32) + /* If building or using zlib as a DLL, define ZLIB_DLL. + * This is not mandatory, but it offers a little performance increase. + */ +# ifdef ZLIB_DLL +# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) +# ifdef ZLIB_INTERNAL +# define ZEXTERN extern __declspec(dllexport) +# else +# define ZEXTERN extern __declspec(dllimport) +# endif +# endif +# endif /* ZLIB_DLL */ + /* If building or using zlib with the WINAPI/WINAPIV calling convention, + * define ZLIB_WINAPI. + * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. + */ +# ifdef ZLIB_WINAPI +# ifdef FAR +# undef FAR +# endif +# include + /* No need for _export, use ZLIB.DEF instead. */ + /* For complete Windows compatibility, use WINAPI, not __stdcall. */ +# define ZEXPORT WINAPI +# ifdef WIN32 +# define ZEXPORTVA WINAPIV +# else +# define ZEXPORTVA FAR CDECL +# endif +# endif +#endif + +#if defined (__BEOS__) +# ifdef ZLIB_DLL +# ifdef ZLIB_INTERNAL +# define ZEXPORT __declspec(dllexport) +# define ZEXPORTVA __declspec(dllexport) +# else +# define ZEXPORT __declspec(dllimport) +# define ZEXPORTVA __declspec(dllimport) +# endif +# endif +#endif + +#ifndef ZEXTERN +# define ZEXTERN extern +#endif +#ifndef ZEXPORT +# define ZEXPORT +#endif +#ifndef ZEXPORTVA +# define ZEXPORTVA +#endif + +#ifndef FAR +# define FAR +#endif + +#if !defined(__MACTYPES__) +typedef unsigned char Byte; /* 8 bits */ +#endif +typedef unsigned int uInt; /* 16 bits or more */ +typedef unsigned long uLong; /* 32 bits or more */ + +#ifdef SMALL_MEDIUM + /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ +# define Bytef Byte FAR +#else + typedef Byte FAR Bytef; +#endif +typedef char FAR charf; +typedef int FAR intf; +typedef uInt FAR uIntf; +typedef uLong FAR uLongf; + +#ifdef STDC + typedef void const *voidpc; + typedef void FAR *voidpf; + typedef void *voidp; +#else + typedef Byte const *voidpc; + typedef Byte FAR *voidpf; + typedef Byte *voidp; +#endif + +#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */ +# include /* for off_t */ +# include /* for SEEK_* and off_t */ +# ifdef VMS +# include /* for off_t */ +# endif +# define z_off_t off_t +#endif +#ifndef SEEK_SET +# define SEEK_SET 0 /* Seek from beginning of file. */ +# define SEEK_CUR 1 /* Seek from current position. */ +# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ +#endif +#ifndef z_off_t +# define z_off_t long +#endif + +#if defined(__OS400__) +# define NO_vsnprintf +#endif + +#if defined(__MVS__) +# define NO_vsnprintf +# ifdef FAR +# undef FAR +# endif +#endif + +/* MVS linker does not support external names larger than 8 bytes */ +#if defined(__MVS__) +# pragma map(deflateInit_,"DEIN") +# pragma map(deflateInit2_,"DEIN2") +# pragma map(deflateEnd,"DEEND") +# pragma map(deflateBound,"DEBND") +# pragma map(inflateInit_,"ININ") +# pragma map(inflateInit2_,"ININ2") +# pragma map(inflateEnd,"INEND") +# pragma map(inflateSync,"INSY") +# pragma map(inflateSetDictionary,"INSEDI") +# pragma map(compressBound,"CMBND") +# pragma map(inflate_table,"INTABL") +# pragma map(inflate_fast,"INFA") +# pragma map(inflate_copyright,"INCOPY") +#endif + +#endif /* ZCONF_H */ diff --git a/Build/source/libs/zlib/zlib-1.2.3/zlib.3 b/Build/source/libs/zlib/zlib-1.2.3/zlib.3 new file mode 100644 index 00000000000..90b8162870f --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/zlib.3 @@ -0,0 +1,159 @@ +.TH ZLIB 3 "18 July 2005" +.SH NAME +zlib \- compression/decompression library +.SH SYNOPSIS +[see +.I zlib.h +for full description] +.SH DESCRIPTION +The +.I zlib +library is a general purpose data compression library. +The code is thread safe. +It provides in-memory compression and decompression functions, +including integrity checks of the uncompressed data. +This version of the library supports only one compression method (deflation) +but other algorithms will be added later +and will have the same stream interface. +.LP +Compression can be done in a single step if the buffers are large enough +(for example if an input file is mmap'ed), +or can be done by repeated calls of the compression function. +In the latter case, +the application must provide more input and/or consume the output +(providing more output space) before each call. +.LP +The library also supports reading and writing files in +.IR gzip (1) +(.gz) format +with an interface similar to that of stdio. +.LP +The library does not install any signal handler. +The decoder checks the consistency of the compressed data, +so the library should never crash even in case of corrupted input. +.LP +All functions of the compression library are documented in the file +.IR zlib.h . +The distribution source includes examples of use of the library +in the files +.I example.c +and +.IR minigzip.c . +.LP +Changes to this version are documented in the file +.I ChangeLog +that accompanies the source, +and are concerned primarily with bug fixes and portability enhancements. +.LP +A Java implementation of +.I zlib +is available in the Java Development Kit 1.1: +.IP +http://www.javasoft.com/products/JDK/1.1/docs/api/Package-java.util.zip.html +.LP +A Perl interface to +.IR zlib , +written by Paul Marquess (pmqs@cpan.org), +is available at CPAN (Comprehensive Perl Archive Network) sites, +including: +.IP +http://www.cpan.org/modules/by-module/Compress/ +.LP +A Python interface to +.IR zlib , +written by A.M. Kuchling (amk@magnet.com), +is available in Python 1.5 and later versions: +.IP +http://www.python.org/doc/lib/module-zlib.html +.LP +A +.I zlib +binding for +.IR tcl (1), +written by Andreas Kupries (a.kupries@westend.com), +is availlable at: +.IP +http://www.westend.com/~kupries/doc/trf/man/man.html +.LP +An experimental package to read and write files in .zip format, +written on top of +.I zlib +by Gilles Vollant (info@winimage.com), +is available at: +.IP +http://www.winimage.com/zLibDll/unzip.html +and also in the +.I contrib/minizip +directory of the main +.I zlib +web site. +.SH "SEE ALSO" +The +.I zlib +web site can be found at either of these locations: +.IP +http://www.zlib.org +.br +http://www.gzip.org/zlib/ +.LP +The data format used by the zlib library is described by RFC +(Request for Comments) 1950 to 1952 in the files: +.IP +http://www.ietf.org/rfc/rfc1950.txt (concerning zlib format) +.br +http://www.ietf.org/rfc/rfc1951.txt (concerning deflate format) +.br +http://www.ietf.org/rfc/rfc1952.txt (concerning gzip format) +.LP +These documents are also available in other formats from: +.IP +ftp://ftp.uu.net/graphics/png/documents/zlib/zdoc-index.html +.LP +Mark Nelson (markn@ieee.org) wrote an article about +.I zlib +for the Jan. 1997 issue of Dr. Dobb's Journal; +a copy of the article is available at: +.IP +http://dogma.net/markn/articles/zlibtool/zlibtool.htm +.SH "REPORTING PROBLEMS" +Before reporting a problem, +please check the +.I zlib +web site to verify that you have the latest version of +.IR zlib ; +otherwise, +obtain the latest version and see if the problem still exists. +Please read the +.I zlib +FAQ at: +.IP +http://www.gzip.org/zlib/zlib_faq.html +.LP +before asking for help. +Send questions and/or comments to zlib@gzip.org, +or (for the Windows DLL version) to Gilles Vollant (info@winimage.com). +.SH AUTHORS +Version 1.2.3 +Copyright (C) 1995-2005 Jean-loup Gailly (jloup@gzip.org) +and Mark Adler (madler@alumni.caltech.edu). +.LP +This software is provided "as-is," +without any express or implied warranty. +In no event will the authors be held liable for any damages +arising from the use of this software. +See the distribution directory with respect to requirements +governing redistribution. +The deflate format used by +.I zlib +was defined by Phil Katz. +The deflate and +.I zlib +specifications were written by L. Peter Deutsch. +Thanks to all the people who reported problems and suggested various +improvements in +.IR zlib ; +who are too numerous to cite here. +.LP +UNIX manual page by R. P. C. Rodgers, +U.S. National Library of Medicine (rodgers@nlm.nih.gov). +.\" end of man page diff --git a/Build/source/libs/zlib/zlib-1.2.3/zlib.h b/Build/source/libs/zlib/zlib-1.2.3/zlib.h new file mode 100644 index 00000000000..022817927ce --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/zlib.h @@ -0,0 +1,1357 @@ +/* zlib.h -- interface of the 'zlib' general purpose compression library + version 1.2.3, July 18th, 2005 + + Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Jean-loup Gailly Mark Adler + jloup@gzip.org madler@alumni.caltech.edu + + + The data format used by the zlib library is described by RFCs (Request for + Comments) 1950 to 1952 in the files http://www.ietf.org/rfc/rfc1950.txt + (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format). +*/ + +#ifndef ZLIB_H +#define ZLIB_H + +#include "zconf.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define ZLIB_VERSION "1.2.3" +#define ZLIB_VERNUM 0x1230 + +/* + The 'zlib' compression library provides in-memory compression and + decompression functions, including integrity checks of the uncompressed + data. This version of the library supports only one compression method + (deflation) but other algorithms will be added later and will have the same + stream interface. + + Compression can be done in a single step if the buffers are large + enough (for example if an input file is mmap'ed), or can be done by + repeated calls of the compression function. In the latter case, the + application must provide more input and/or consume the output + (providing more output space) before each call. + + The compressed data format used by default by the in-memory functions is + the zlib format, which is a zlib wrapper documented in RFC 1950, wrapped + around a deflate stream, which is itself documented in RFC 1951. + + The library also supports reading and writing files in gzip (.gz) format + with an interface similar to that of stdio using the functions that start + with "gz". The gzip format is different from the zlib format. gzip is a + gzip wrapper, documented in RFC 1952, wrapped around a deflate stream. + + This library can optionally read and write gzip streams in memory as well. + + The zlib format was designed to be compact and fast for use in memory + and on communications channels. The gzip format was designed for single- + file compression on file systems, has a larger header than zlib to maintain + directory information, and uses a different, slower check method than zlib. + + The library does not install any signal handler. The decoder checks + the consistency of the compressed data, so the library should never + crash even in case of corrupted input. +*/ + +typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size)); +typedef void (*free_func) OF((voidpf opaque, voidpf address)); + +struct internal_state; + +typedef struct z_stream_s { + Bytef *next_in; /* next input byte */ + uInt avail_in; /* number of bytes available at next_in */ + uLong total_in; /* total nb of input bytes read so far */ + + Bytef *next_out; /* next output byte should be put there */ + uInt avail_out; /* remaining free space at next_out */ + uLong total_out; /* total nb of bytes output so far */ + + char *msg; /* last error message, NULL if no error */ + struct internal_state FAR *state; /* not visible by applications */ + + alloc_func zalloc; /* used to allocate the internal state */ + free_func zfree; /* used to free the internal state */ + voidpf opaque; /* private data object passed to zalloc and zfree */ + + int data_type; /* best guess about the data type: binary or text */ + uLong adler; /* adler32 value of the uncompressed data */ + uLong reserved; /* reserved for future use */ +} z_stream; + +typedef z_stream FAR *z_streamp; + +/* + gzip header information passed to and from zlib routines. See RFC 1952 + for more details on the meanings of these fields. +*/ +typedef struct gz_header_s { + int text; /* true if compressed data believed to be text */ + uLong time; /* modification time */ + int xflags; /* extra flags (not used when writing a gzip file) */ + int os; /* operating system */ + Bytef *extra; /* pointer to extra field or Z_NULL if none */ + uInt extra_len; /* extra field length (valid if extra != Z_NULL) */ + uInt extra_max; /* space at extra (only when reading header) */ + Bytef *name; /* pointer to zero-terminated file name or Z_NULL */ + uInt name_max; /* space at name (only when reading header) */ + Bytef *comment; /* pointer to zero-terminated comment or Z_NULL */ + uInt comm_max; /* space at comment (only when reading header) */ + int hcrc; /* true if there was or will be a header crc */ + int done; /* true when done reading gzip header (not used + when writing a gzip file) */ +} gz_header; + +typedef gz_header FAR *gz_headerp; + +/* + The application must update next_in and avail_in when avail_in has + dropped to zero. It must update next_out and avail_out when avail_out + has dropped to zero. The application must initialize zalloc, zfree and + opaque before calling the init function. All other fields are set by the + compression library and must not be updated by the application. + + The opaque value provided by the application will be passed as the first + parameter for calls of zalloc and zfree. This can be useful for custom + memory management. The compression library attaches no meaning to the + opaque value. + + zalloc must return Z_NULL if there is not enough memory for the object. + If zlib is used in a multi-threaded application, zalloc and zfree must be + thread safe. + + On 16-bit systems, the functions zalloc and zfree must be able to allocate + exactly 65536 bytes, but will not be required to allocate more than this + if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS, + pointers returned by zalloc for objects of exactly 65536 bytes *must* + have their offset normalized to zero. The default allocation function + provided by this library ensures this (see zutil.c). To reduce memory + requirements and avoid any allocation of 64K objects, at the expense of + compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h). + + The fields total_in and total_out can be used for statistics or + progress reports. After compression, total_in holds the total size of + the uncompressed data and may be saved for use in the decompressor + (particularly if the decompressor wants to decompress everything in + a single step). +*/ + + /* constants */ + +#define Z_NO_FLUSH 0 +#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */ +#define Z_SYNC_FLUSH 2 +#define Z_FULL_FLUSH 3 +#define Z_FINISH 4 +#define Z_BLOCK 5 +/* Allowed flush values; see deflate() and inflate() below for details */ + +#define Z_OK 0 +#define Z_STREAM_END 1 +#define Z_NEED_DICT 2 +#define Z_ERRNO (-1) +#define Z_STREAM_ERROR (-2) +#define Z_DATA_ERROR (-3) +#define Z_MEM_ERROR (-4) +#define Z_BUF_ERROR (-5) +#define Z_VERSION_ERROR (-6) +/* Return codes for the compression/decompression functions. Negative + * values are errors, positive values are used for special but normal events. + */ + +#define Z_NO_COMPRESSION 0 +#define Z_BEST_SPEED 1 +#define Z_BEST_COMPRESSION 9 +#define Z_DEFAULT_COMPRESSION (-1) +/* compression levels */ + +#define Z_FILTERED 1 +#define Z_HUFFMAN_ONLY 2 +#define Z_RLE 3 +#define Z_FIXED 4 +#define Z_DEFAULT_STRATEGY 0 +/* compression strategy; see deflateInit2() below for details */ + +#define Z_BINARY 0 +#define Z_TEXT 1 +#define Z_ASCII Z_TEXT /* for compatibility with 1.2.2 and earlier */ +#define Z_UNKNOWN 2 +/* Possible values of the data_type field (though see inflate()) */ + +#define Z_DEFLATED 8 +/* The deflate compression method (the only one supported in this version) */ + +#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */ + +#define zlib_version zlibVersion() +/* for compatibility with versions < 1.0.2 */ + + /* basic functions */ + +ZEXTERN const char * ZEXPORT zlibVersion OF((void)); +/* The application can compare zlibVersion and ZLIB_VERSION for consistency. + If the first character differs, the library code actually used is + not compatible with the zlib.h header file used by the application. + This check is automatically made by deflateInit and inflateInit. + */ + +/* +ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level)); + + Initializes the internal stream state for compression. The fields + zalloc, zfree and opaque must be initialized before by the caller. + If zalloc and zfree are set to Z_NULL, deflateInit updates them to + use default allocation functions. + + The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9: + 1 gives best speed, 9 gives best compression, 0 gives no compression at + all (the input data is simply copied a block at a time). + Z_DEFAULT_COMPRESSION requests a default compromise between speed and + compression (currently equivalent to level 6). + + deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if level is not a valid compression level, + Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible + with the version assumed by the caller (ZLIB_VERSION). + msg is set to null if there is no error message. deflateInit does not + perform any compression: this will be done by deflate(). +*/ + + +ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); +/* + deflate compresses as much data as possible, and stops when the input + buffer becomes empty or the output buffer becomes full. It may introduce some + output latency (reading input without producing any output) except when + forced to flush. + + The detailed semantics are as follows. deflate performs one or both of the + following actions: + + - Compress more input starting at next_in and update next_in and avail_in + accordingly. If not all input can be processed (because there is not + enough room in the output buffer), next_in and avail_in are updated and + processing will resume at this point for the next call of deflate(). + + - Provide more output starting at next_out and update next_out and avail_out + accordingly. This action is forced if the parameter flush is non zero. + Forcing flush frequently degrades the compression ratio, so this parameter + should be set only when necessary (in interactive applications). + Some output may be provided even if flush is not set. + + Before the call of deflate(), the application should ensure that at least + one of the actions is possible, by providing more input and/or consuming + more output, and updating avail_in or avail_out accordingly; avail_out + should never be zero before the call. The application can consume the + compressed output when it wants, for example when the output buffer is full + (avail_out == 0), or after each call of deflate(). If deflate returns Z_OK + and with zero avail_out, it must be called again after making room in the + output buffer because there might be more output pending. + + Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to + decide how much data to accumualte before producing output, in order to + maximize compression. + + If the parameter flush is set to Z_SYNC_FLUSH, all pending output is + flushed to the output buffer and the output is aligned on a byte boundary, so + that the decompressor can get all input data available so far. (In particular + avail_in is zero after the call if enough output space has been provided + before the call.) Flushing may degrade compression for some compression + algorithms and so it should be used only when necessary. + + If flush is set to Z_FULL_FLUSH, all output is flushed as with + Z_SYNC_FLUSH, and the compression state is reset so that decompression can + restart from this point if previous compressed data has been damaged or if + random access is desired. Using Z_FULL_FLUSH too often can seriously degrade + compression. + + If deflate returns with avail_out == 0, this function must be called again + with the same value of the flush parameter and more output space (updated + avail_out), until the flush is complete (deflate returns with non-zero + avail_out). In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH, make sure that + avail_out is greater than six to avoid repeated flush markers due to + avail_out == 0 on return. + + If the parameter flush is set to Z_FINISH, pending input is processed, + pending output is flushed and deflate returns with Z_STREAM_END if there + was enough output space; if deflate returns with Z_OK, this function must be + called again with Z_FINISH and more output space (updated avail_out) but no + more input data, until it returns with Z_STREAM_END or an error. After + deflate has returned Z_STREAM_END, the only possible operations on the + stream are deflateReset or deflateEnd. + + Z_FINISH can be used immediately after deflateInit if all the compression + is to be done in a single step. In this case, avail_out must be at least + the value returned by deflateBound (see below). If deflate does not return + Z_STREAM_END, then it must be called again as described above. + + deflate() sets strm->adler to the adler32 checksum of all input read + so far (that is, total_in bytes). + + deflate() may update strm->data_type if it can make a good guess about + the input data type (Z_BINARY or Z_TEXT). In doubt, the data is considered + binary. This field is only for information purposes and does not affect + the compression algorithm in any manner. + + deflate() returns Z_OK if some progress has been made (more input + processed or more output produced), Z_STREAM_END if all input has been + consumed and all output has been produced (only when flush is set to + Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example + if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible + (for example avail_in or avail_out was zero). Note that Z_BUF_ERROR is not + fatal, and deflate() can be called again with more input and more output + space to continue compressing. +*/ + + +ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm)); +/* + All dynamically allocated data structures for this stream are freed. + This function discards any unprocessed input and does not flush any + pending output. + + deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the + stream state was inconsistent, Z_DATA_ERROR if the stream was freed + prematurely (some input or output was discarded). In the error case, + msg may be set but then points to a static string (which must not be + deallocated). +*/ + + +/* +ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm)); + + Initializes the internal stream state for decompression. The fields + next_in, avail_in, zalloc, zfree and opaque must be initialized before by + the caller. If next_in is not Z_NULL and avail_in is large enough (the exact + value depends on the compression method), inflateInit determines the + compression method from the zlib header and allocates all data structures + accordingly; otherwise the allocation will be deferred to the first call of + inflate. If zalloc and zfree are set to Z_NULL, inflateInit updates them to + use default allocation functions. + + inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_VERSION_ERROR if the zlib library version is incompatible with the + version assumed by the caller. msg is set to null if there is no error + message. inflateInit does not perform any decompression apart from reading + the zlib header if present: this will be done by inflate(). (So next_in and + avail_in may be modified, but next_out and avail_out are unchanged.) +*/ + + +ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); +/* + inflate decompresses as much data as possible, and stops when the input + buffer becomes empty or the output buffer becomes full. It may introduce + some output latency (reading input without producing any output) except when + forced to flush. + + The detailed semantics are as follows. inflate performs one or both of the + following actions: + + - Decompress more input starting at next_in and update next_in and avail_in + accordingly. If not all input can be processed (because there is not + enough room in the output buffer), next_in is updated and processing + will resume at this point for the next call of inflate(). + + - Provide more output starting at next_out and update next_out and avail_out + accordingly. inflate() provides as much output as possible, until there + is no more input data or no more space in the output buffer (see below + about the flush parameter). + + Before the call of inflate(), the application should ensure that at least + one of the actions is possible, by providing more input and/or consuming + more output, and updating the next_* and avail_* values accordingly. + The application can consume the uncompressed output when it wants, for + example when the output buffer is full (avail_out == 0), or after each + call of inflate(). If inflate returns Z_OK and with zero avail_out, it + must be called again after making room in the output buffer because there + might be more output pending. + + The flush parameter of inflate() can be Z_NO_FLUSH, Z_SYNC_FLUSH, + Z_FINISH, or Z_BLOCK. Z_SYNC_FLUSH requests that inflate() flush as much + output as possible to the output buffer. Z_BLOCK requests that inflate() stop + if and when it gets to the next deflate block boundary. When decoding the + zlib or gzip format, this will cause inflate() to return immediately after + the header and before the first block. When doing a raw inflate, inflate() + will go ahead and process the first block, and will return when it gets to + the end of that block, or when it runs out of data. + + The Z_BLOCK option assists in appending to or combining deflate streams. + Also to assist in this, on return inflate() will set strm->data_type to the + number of unused bits in the last byte taken from strm->next_in, plus 64 + if inflate() is currently decoding the last block in the deflate stream, + plus 128 if inflate() returned immediately after decoding an end-of-block + code or decoding the complete header up to just before the first byte of the + deflate stream. The end-of-block will not be indicated until all of the + uncompressed data from that block has been written to strm->next_out. The + number of unused bits may in general be greater than seven, except when + bit 7 of data_type is set, in which case the number of unused bits will be + less than eight. + + inflate() should normally be called until it returns Z_STREAM_END or an + error. However if all decompression is to be performed in a single step + (a single call of inflate), the parameter flush should be set to + Z_FINISH. In this case all pending input is processed and all pending + output is flushed; avail_out must be large enough to hold all the + uncompressed data. (The size of the uncompressed data may have been saved + by the compressor for this purpose.) The next operation on this stream must + be inflateEnd to deallocate the decompression state. The use of Z_FINISH + is never required, but can be used to inform inflate that a faster approach + may be used for the single inflate() call. + + In this implementation, inflate() always flushes as much output as + possible to the output buffer, and always uses the faster approach on the + first call. So the only effect of the flush parameter in this implementation + is on the return value of inflate(), as noted below, or when it returns early + because Z_BLOCK is used. + + If a preset dictionary is needed after this call (see inflateSetDictionary + below), inflate sets strm->adler to the adler32 checksum of the dictionary + chosen by the compressor and returns Z_NEED_DICT; otherwise it sets + strm->adler to the adler32 checksum of all output produced so far (that is, + total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described + below. At the end of the stream, inflate() checks that its computed adler32 + checksum is equal to that saved by the compressor and returns Z_STREAM_END + only if the checksum is correct. + + inflate() will decompress and check either zlib-wrapped or gzip-wrapped + deflate data. The header type is detected automatically. Any information + contained in the gzip header is not retained, so applications that need that + information should instead use raw inflate, see inflateInit2() below, or + inflateBack() and perform their own processing of the gzip header and + trailer. + + inflate() returns Z_OK if some progress has been made (more input processed + or more output produced), Z_STREAM_END if the end of the compressed data has + been reached and all uncompressed output has been produced, Z_NEED_DICT if a + preset dictionary is needed at this point, Z_DATA_ERROR if the input data was + corrupted (input stream not conforming to the zlib format or incorrect check + value), Z_STREAM_ERROR if the stream structure was inconsistent (for example + if next_in or next_out was NULL), Z_MEM_ERROR if there was not enough memory, + Z_BUF_ERROR if no progress is possible or if there was not enough room in the + output buffer when Z_FINISH is used. Note that Z_BUF_ERROR is not fatal, and + inflate() can be called again with more input and more output space to + continue decompressing. If Z_DATA_ERROR is returned, the application may then + call inflateSync() to look for a good compression block if a partial recovery + of the data is desired. +*/ + + +ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm)); +/* + All dynamically allocated data structures for this stream are freed. + This function discards any unprocessed input and does not flush any + pending output. + + inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state + was inconsistent. In the error case, msg may be set but then points to a + static string (which must not be deallocated). +*/ + + /* Advanced functions */ + +/* + The following functions are needed only in some special applications. +*/ + +/* +ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm, + int level, + int method, + int windowBits, + int memLevel, + int strategy)); + + This is another version of deflateInit with more compression options. The + fields next_in, zalloc, zfree and opaque must be initialized before by + the caller. + + The method parameter is the compression method. It must be Z_DEFLATED in + this version of the library. + + The windowBits parameter is the base two logarithm of the window size + (the size of the history buffer). It should be in the range 8..15 for this + version of the library. Larger values of this parameter result in better + compression at the expense of memory usage. The default value is 15 if + deflateInit is used instead. + + windowBits can also be -8..-15 for raw deflate. In this case, -windowBits + determines the window size. deflate() will then generate raw deflate data + with no zlib header or trailer, and will not compute an adler32 check value. + + windowBits can also be greater than 15 for optional gzip encoding. Add + 16 to windowBits to write a simple gzip header and trailer around the + compressed data instead of a zlib wrapper. The gzip header will have no + file name, no extra data, no comment, no modification time (set to zero), + no header crc, and the operating system will be set to 255 (unknown). If a + gzip stream is being written, strm->adler is a crc32 instead of an adler32. + + The memLevel parameter specifies how much memory should be allocated + for the internal compression state. memLevel=1 uses minimum memory but + is slow and reduces compression ratio; memLevel=9 uses maximum memory + for optimal speed. The default value is 8. See zconf.h for total memory + usage as a function of windowBits and memLevel. + + The strategy parameter is used to tune the compression algorithm. Use the + value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a + filter (or predictor), Z_HUFFMAN_ONLY to force Huffman encoding only (no + string match), or Z_RLE to limit match distances to one (run-length + encoding). Filtered data consists mostly of small values with a somewhat + random distribution. In this case, the compression algorithm is tuned to + compress them better. The effect of Z_FILTERED is to force more Huffman + coding and less string matching; it is somewhat intermediate between + Z_DEFAULT and Z_HUFFMAN_ONLY. Z_RLE is designed to be almost as fast as + Z_HUFFMAN_ONLY, but give better compression for PNG image data. The strategy + parameter only affects the compression ratio but not the correctness of the + compressed output even if it is not set appropriately. Z_FIXED prevents the + use of dynamic Huffman codes, allowing for a simpler decoder for special + applications. + + deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid + method). msg is set to null if there is no error message. deflateInit2 does + not perform any compression: this will be done by deflate(). +*/ + +ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, + const Bytef *dictionary, + uInt dictLength)); +/* + Initializes the compression dictionary from the given byte sequence + without producing any compressed output. This function must be called + immediately after deflateInit, deflateInit2 or deflateReset, before any + call of deflate. The compressor and decompressor must use exactly the same + dictionary (see inflateSetDictionary). + + The dictionary should consist of strings (byte sequences) that are likely + to be encountered later in the data to be compressed, with the most commonly + used strings preferably put towards the end of the dictionary. Using a + dictionary is most useful when the data to be compressed is short and can be + predicted with good accuracy; the data can then be compressed better than + with the default empty dictionary. + + Depending on the size of the compression data structures selected by + deflateInit or deflateInit2, a part of the dictionary may in effect be + discarded, for example if the dictionary is larger than the window size in + deflate or deflate2. Thus the strings most likely to be useful should be + put at the end of the dictionary, not at the front. In addition, the + current implementation of deflate will use at most the window size minus + 262 bytes of the provided dictionary. + + Upon return of this function, strm->adler is set to the adler32 value + of the dictionary; the decompressor may later use this value to determine + which dictionary has been used by the compressor. (The adler32 value + applies to the whole dictionary even if only a subset of the dictionary is + actually used by the compressor.) If a raw deflate was requested, then the + adler32 value is not computed and strm->adler is not set. + + deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a + parameter is invalid (such as NULL dictionary) or the stream state is + inconsistent (for example if deflate has already been called for this stream + or if the compression method is bsort). deflateSetDictionary does not + perform any compression: this will be done by deflate(). +*/ + +ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, + z_streamp source)); +/* + Sets the destination stream as a complete copy of the source stream. + + This function can be useful when several compression strategies will be + tried, for example when there are several ways of pre-processing the input + data with a filter. The streams that will be discarded should then be freed + by calling deflateEnd. Note that deflateCopy duplicates the internal + compression state which can be quite large, so this strategy is slow and + can consume lots of memory. + + deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if the source stream state was inconsistent + (such as zalloc being NULL). msg is left unchanged in both source and + destination. +*/ + +ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm)); +/* + This function is equivalent to deflateEnd followed by deflateInit, + but does not free and reallocate all the internal compression state. + The stream will keep the same compression level and any other attributes + that may have been set by deflateInit2. + + deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being NULL). +*/ + +ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, + int level, + int strategy)); +/* + Dynamically update the compression level and compression strategy. The + interpretation of level and strategy is as in deflateInit2. This can be + used to switch between compression and straight copy of the input data, or + to switch to a different kind of input data requiring a different + strategy. If the compression level is changed, the input available so far + is compressed with the old level (and may be flushed); the new level will + take effect only at the next call of deflate(). + + Before the call of deflateParams, the stream state must be set as for + a call of deflate(), since the currently available input may have to + be compressed and flushed. In particular, strm->avail_out must be non-zero. + + deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source + stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR + if strm->avail_out was zero. +*/ + +ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm, + int good_length, + int max_lazy, + int nice_length, + int max_chain)); +/* + Fine tune deflate's internal compression parameters. This should only be + used by someone who understands the algorithm used by zlib's deflate for + searching for the best matching string, and even then only by the most + fanatic optimizer trying to squeeze out the last compressed bit for their + specific input data. Read the deflate.c source code for the meaning of the + max_lazy, good_length, nice_length, and max_chain parameters. + + deflateTune() can be called after deflateInit() or deflateInit2(), and + returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream. + */ + +ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm, + uLong sourceLen)); +/* + deflateBound() returns an upper bound on the compressed size after + deflation of sourceLen bytes. It must be called after deflateInit() + or deflateInit2(). This would be used to allocate an output buffer + for deflation in a single pass, and so would be called before deflate(). +*/ + +ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm, + int bits, + int value)); +/* + deflatePrime() inserts bits in the deflate output stream. The intent + is that this function is used to start off the deflate output with the + bits leftover from a previous deflate stream when appending to it. As such, + this function can only be used for raw deflate, and must be used before the + first deflate() call after a deflateInit2() or deflateReset(). bits must be + less than or equal to 16, and that many of the least significant bits of + value will be inserted in the output. + + deflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm, + gz_headerp head)); +/* + deflateSetHeader() provides gzip header information for when a gzip + stream is requested by deflateInit2(). deflateSetHeader() may be called + after deflateInit2() or deflateReset() and before the first call of + deflate(). The text, time, os, extra field, name, and comment information + in the provided gz_header structure are written to the gzip header (xflag is + ignored -- the extra flags are set according to the compression level). The + caller must assure that, if not Z_NULL, name and comment are terminated with + a zero byte, and that if extra is not Z_NULL, that extra_len bytes are + available there. If hcrc is true, a gzip header crc is included. Note that + the current versions of the command-line version of gzip (up through version + 1.3.x) do not support header crc's, and will report that it is a "multi-part + gzip file" and give up. + + If deflateSetHeader is not used, the default gzip header has text false, + the time set to zero, and os set to 255, with no extra, name, or comment + fields. The gzip header is returned to the default state by deflateReset(). + + deflateSetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +/* +ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, + int windowBits)); + + This is another version of inflateInit with an extra parameter. The + fields next_in, avail_in, zalloc, zfree and opaque must be initialized + before by the caller. + + The windowBits parameter is the base two logarithm of the maximum window + size (the size of the history buffer). It should be in the range 8..15 for + this version of the library. The default value is 15 if inflateInit is used + instead. windowBits must be greater than or equal to the windowBits value + provided to deflateInit2() while compressing, or it must be equal to 15 if + deflateInit2() was not used. If a compressed stream with a larger window + size is given as input, inflate() will return with the error code + Z_DATA_ERROR instead of trying to allocate a larger window. + + windowBits can also be -8..-15 for raw inflate. In this case, -windowBits + determines the window size. inflate() will then process raw deflate data, + not looking for a zlib or gzip header, not generating a check value, and not + looking for any check values for comparison at the end of the stream. This + is for use with other formats that use the deflate compressed data format + such as zip. Those formats provide their own check values. If a custom + format is developed using the raw deflate format for compressed data, it is + recommended that a check value such as an adler32 or a crc32 be applied to + the uncompressed data as is done in the zlib, gzip, and zip formats. For + most applications, the zlib format should be used as is. Note that comments + above on the use in deflateInit2() applies to the magnitude of windowBits. + + windowBits can also be greater than 15 for optional gzip decoding. Add + 32 to windowBits to enable zlib and gzip decoding with automatic header + detection, or add 16 to decode only the gzip format (the zlib format will + return a Z_DATA_ERROR). If a gzip stream is being decoded, strm->adler is + a crc32 instead of an adler32. + + inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_STREAM_ERROR if a parameter is invalid (such as a null strm). msg + is set to null if there is no error message. inflateInit2 does not perform + any decompression apart from reading the zlib header if present: this will + be done by inflate(). (So next_in and avail_in may be modified, but next_out + and avail_out are unchanged.) +*/ + +ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, + const Bytef *dictionary, + uInt dictLength)); +/* + Initializes the decompression dictionary from the given uncompressed byte + sequence. This function must be called immediately after a call of inflate, + if that call returned Z_NEED_DICT. The dictionary chosen by the compressor + can be determined from the adler32 value returned by that call of inflate. + The compressor and decompressor must use exactly the same dictionary (see + deflateSetDictionary). For raw inflate, this function can be called + immediately after inflateInit2() or inflateReset() and before any call of + inflate() to set the dictionary. The application must insure that the + dictionary that was used for compression is provided. + + inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a + parameter is invalid (such as NULL dictionary) or the stream state is + inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the + expected one (incorrect adler32 value). inflateSetDictionary does not + perform any decompression: this will be done by subsequent calls of + inflate(). +*/ + +ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); +/* + Skips invalid compressed data until a full flush point (see above the + description of deflate with Z_FULL_FLUSH) can be found, or until all + available input is skipped. No output is provided. + + inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR + if no more input was provided, Z_DATA_ERROR if no flush point has been found, + or Z_STREAM_ERROR if the stream structure was inconsistent. In the success + case, the application may save the current current value of total_in which + indicates where valid compressed data was found. In the error case, the + application may repeatedly call inflateSync, providing more input each time, + until success or end of the input data. +*/ + +ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest, + z_streamp source)); +/* + Sets the destination stream as a complete copy of the source stream. + + This function can be useful when randomly accessing a large stream. The + first pass through the stream can periodically record the inflate state, + allowing restarting inflate at those points when randomly accessing the + stream. + + inflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_STREAM_ERROR if the source stream state was inconsistent + (such as zalloc being NULL). msg is left unchanged in both source and + destination. +*/ + +ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); +/* + This function is equivalent to inflateEnd followed by inflateInit, + but does not free and reallocate all the internal decompression state. + The stream will keep attributes that may have been set by inflateInit2. + + inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent (such as zalloc or state being NULL). +*/ + +ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm, + int bits, + int value)); +/* + This function inserts bits in the inflate input stream. The intent is + that this function is used to start inflating at a bit position in the + middle of a byte. The provided bits will be used before any bytes are used + from next_in. This function should only be used with raw inflate, and + should be used before the first inflate() call after inflateInit2() or + inflateReset(). bits must be less than or equal to 16, and that many of the + least significant bits of value will be inserted in the input. + + inflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm, + gz_headerp head)); +/* + inflateGetHeader() requests that gzip header information be stored in the + provided gz_header structure. inflateGetHeader() may be called after + inflateInit2() or inflateReset(), and before the first call of inflate(). + As inflate() processes the gzip stream, head->done is zero until the header + is completed, at which time head->done is set to one. If a zlib stream is + being decoded, then head->done is set to -1 to indicate that there will be + no gzip header information forthcoming. Note that Z_BLOCK can be used to + force inflate() to return immediately after header processing is complete + and before any actual data is decompressed. + + The text, time, xflags, and os fields are filled in with the gzip header + contents. hcrc is set to true if there is a header CRC. (The header CRC + was valid if done is set to one.) If extra is not Z_NULL, then extra_max + contains the maximum number of bytes to write to extra. Once done is true, + extra_len contains the actual extra field length, and extra contains the + extra field, or that field truncated if extra_max is less than extra_len. + If name is not Z_NULL, then up to name_max characters are written there, + terminated with a zero unless the length is greater than name_max. If + comment is not Z_NULL, then up to comm_max characters are written there, + terminated with a zero unless the length is greater than comm_max. When + any of extra, name, or comment are not Z_NULL and the respective field is + not present in the header, then that field is set to Z_NULL to signal its + absence. This allows the use of deflateSetHeader() with the returned + structure to duplicate the header. However if those fields are set to + allocated memory, then the application will need to save those pointers + elsewhere so that they can be eventually freed. + + If inflateGetHeader is not used, then the header information is simply + discarded. The header is always checked for validity, including the header + CRC if present. inflateReset() will reset the process to discard the header + information. The application would need to call inflateGetHeader() again to + retrieve the header from the next gzip stream. + + inflateGetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source + stream state was inconsistent. +*/ + +/* +ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits, + unsigned char FAR *window)); + + Initialize the internal stream state for decompression using inflateBack() + calls. The fields zalloc, zfree and opaque in strm must be initialized + before the call. If zalloc and zfree are Z_NULL, then the default library- + derived memory allocation routines are used. windowBits is the base two + logarithm of the window size, in the range 8..15. window is a caller + supplied buffer of that size. Except for special applications where it is + assured that deflate was used with small window sizes, windowBits must be 15 + and a 32K byte window must be supplied to be able to decompress general + deflate streams. + + See inflateBack() for the usage of these routines. + + inflateBackInit will return Z_OK on success, Z_STREAM_ERROR if any of + the paramaters are invalid, Z_MEM_ERROR if the internal state could not + be allocated, or Z_VERSION_ERROR if the version of the library does not + match the version of the header file. +*/ + +typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *)); +typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned)); + +ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, + in_func in, void FAR *in_desc, + out_func out, void FAR *out_desc)); +/* + inflateBack() does a raw inflate with a single call using a call-back + interface for input and output. This is more efficient than inflate() for + file i/o applications in that it avoids copying between the output and the + sliding window by simply making the window itself the output buffer. This + function trusts the application to not change the output buffer passed by + the output function, at least until inflateBack() returns. + + inflateBackInit() must be called first to allocate the internal state + and to initialize the state with the user-provided window buffer. + inflateBack() may then be used multiple times to inflate a complete, raw + deflate stream with each call. inflateBackEnd() is then called to free + the allocated state. + + A raw deflate stream is one with no zlib or gzip header or trailer. + This routine would normally be used in a utility that reads zip or gzip + files and writes out uncompressed files. The utility would decode the + header and process the trailer on its own, hence this routine expects + only the raw deflate stream to decompress. This is different from the + normal behavior of inflate(), which expects either a zlib or gzip header and + trailer around the deflate stream. + + inflateBack() uses two subroutines supplied by the caller that are then + called by inflateBack() for input and output. inflateBack() calls those + routines until it reads a complete deflate stream and writes out all of the + uncompressed data, or until it encounters an error. The function's + parameters and return types are defined above in the in_func and out_func + typedefs. inflateBack() will call in(in_desc, &buf) which should return the + number of bytes of provided input, and a pointer to that input in buf. If + there is no input available, in() must return zero--buf is ignored in that + case--and inflateBack() will return a buffer error. inflateBack() will call + out(out_desc, buf, len) to write the uncompressed data buf[0..len-1]. out() + should return zero on success, or non-zero on failure. If out() returns + non-zero, inflateBack() will return with an error. Neither in() nor out() + are permitted to change the contents of the window provided to + inflateBackInit(), which is also the buffer that out() uses to write from. + The length written by out() will be at most the window size. Any non-zero + amount of input may be provided by in(). + + For convenience, inflateBack() can be provided input on the first call by + setting strm->next_in and strm->avail_in. If that input is exhausted, then + in() will be called. Therefore strm->next_in must be initialized before + calling inflateBack(). If strm->next_in is Z_NULL, then in() will be called + immediately for input. If strm->next_in is not Z_NULL, then strm->avail_in + must also be initialized, and then if strm->avail_in is not zero, input will + initially be taken from strm->next_in[0 .. strm->avail_in - 1]. + + The in_desc and out_desc parameters of inflateBack() is passed as the + first parameter of in() and out() respectively when they are called. These + descriptors can be optionally used to pass any information that the caller- + supplied in() and out() functions need to do their job. + + On return, inflateBack() will set strm->next_in and strm->avail_in to + pass back any unused input that was provided by the last in() call. The + return values of inflateBack() can be Z_STREAM_END on success, Z_BUF_ERROR + if in() or out() returned an error, Z_DATA_ERROR if there was a format + error in the deflate stream (in which case strm->msg is set to indicate the + nature of the error), or Z_STREAM_ERROR if the stream was not properly + initialized. In the case of Z_BUF_ERROR, an input or output error can be + distinguished using strm->next_in which will be Z_NULL only if in() returned + an error. If strm->next is not Z_NULL, then the Z_BUF_ERROR was due to + out() returning non-zero. (in() will always be called before out(), so + strm->next_in is assured to be defined if out() returns non-zero.) Note + that inflateBack() cannot return Z_OK. +*/ + +ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm)); +/* + All memory allocated by inflateBackInit() is freed. + + inflateBackEnd() returns Z_OK on success, or Z_STREAM_ERROR if the stream + state was inconsistent. +*/ + +ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void)); +/* Return flags indicating compile-time options. + + Type sizes, two bits each, 00 = 16 bits, 01 = 32, 10 = 64, 11 = other: + 1.0: size of uInt + 3.2: size of uLong + 5.4: size of voidpf (pointer) + 7.6: size of z_off_t + + Compiler, assembler, and debug options: + 8: DEBUG + 9: ASMV or ASMINF -- use ASM code + 10: ZLIB_WINAPI -- exported functions use the WINAPI calling convention + 11: 0 (reserved) + + One-time table building (smaller code, but not thread-safe if true): + 12: BUILDFIXED -- build static block decoding tables when needed + 13: DYNAMIC_CRC_TABLE -- build CRC calculation tables when needed + 14,15: 0 (reserved) + + Library content (indicates missing functionality): + 16: NO_GZCOMPRESS -- gz* functions cannot compress (to avoid linking + deflate code when not needed) + 17: NO_GZIP -- deflate can't write gzip streams, and inflate can't detect + and decode gzip streams (to avoid linking crc code) + 18-19: 0 (reserved) + + Operation variations (changes in library functionality): + 20: PKZIP_BUG_WORKAROUND -- slightly more permissive inflate + 21: FASTEST -- deflate algorithm with only one, lowest compression level + 22,23: 0 (reserved) + + The sprintf variant used by gzprintf (zero is best): + 24: 0 = vs*, 1 = s* -- 1 means limited to 20 arguments after the format + 25: 0 = *nprintf, 1 = *printf -- 1 means gzprintf() not secure! + 26: 0 = returns value, 1 = void -- 1 means inferred string length returned + + Remainder: + 27-31: 0 (reserved) + */ + + + /* utility functions */ + +/* + The following utility functions are implemented on top of the + basic stream-oriented functions. To simplify the interface, some + default options are assumed (compression level and memory usage, + standard memory allocation functions). The source code of these + utility functions can easily be modified if you need special options. +*/ + +ZEXTERN int ZEXPORT compress OF((Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen)); +/* + Compresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total + size of the destination buffer, which must be at least the value returned + by compressBound(sourceLen). Upon exit, destLen is the actual size of the + compressed buffer. + This function can be used to compress a whole file at once if the + input file is mmap'ed. + compress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer. +*/ + +ZEXTERN int ZEXPORT compress2 OF((Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen, + int level)); +/* + Compresses the source buffer into the destination buffer. The level + parameter has the same meaning as in deflateInit. sourceLen is the byte + length of the source buffer. Upon entry, destLen is the total size of the + destination buffer, which must be at least the value returned by + compressBound(sourceLen). Upon exit, destLen is the actual size of the + compressed buffer. + + compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough + memory, Z_BUF_ERROR if there was not enough room in the output buffer, + Z_STREAM_ERROR if the level parameter is invalid. +*/ + +ZEXTERN uLong ZEXPORT compressBound OF((uLong sourceLen)); +/* + compressBound() returns an upper bound on the compressed size after + compress() or compress2() on sourceLen bytes. It would be used before + a compress() or compress2() call to allocate the destination buffer. +*/ + +ZEXTERN int ZEXPORT uncompress OF((Bytef *dest, uLongf *destLen, + const Bytef *source, uLong sourceLen)); +/* + Decompresses the source buffer into the destination buffer. sourceLen is + the byte length of the source buffer. Upon entry, destLen is the total + size of the destination buffer, which must be large enough to hold the + entire uncompressed data. (The size of the uncompressed data must have + been saved previously by the compressor and transmitted to the decompressor + by some mechanism outside the scope of this compression library.) + Upon exit, destLen is the actual size of the compressed buffer. + This function can be used to decompress a whole file at once if the + input file is mmap'ed. + + uncompress returns Z_OK if success, Z_MEM_ERROR if there was not + enough memory, Z_BUF_ERROR if there was not enough room in the output + buffer, or Z_DATA_ERROR if the input data was corrupted or incomplete. +*/ + + +typedef voidp gzFile; + +ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode)); +/* + Opens a gzip (.gz) file for reading or writing. The mode parameter + is as in fopen ("rb" or "wb") but can also include a compression level + ("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for + Huffman only compression as in "wb1h", or 'R' for run-length encoding + as in "wb1R". (See the description of deflateInit2 for more information + about the strategy parameter.) + + gzopen can be used to read a file which is not in gzip format; in this + case gzread will directly read from the file without decompression. + + gzopen returns NULL if the file could not be opened or if there was + insufficient memory to allocate the (de)compression state; errno + can be checked to distinguish the two cases (if errno is zero, the + zlib error is Z_MEM_ERROR). */ + +ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode)); +/* + gzdopen() associates a gzFile with the file descriptor fd. File + descriptors are obtained from calls like open, dup, creat, pipe or + fileno (in the file has been previously opened with fopen). + The mode parameter is as in gzopen. + The next call of gzclose on the returned gzFile will also close the + file descriptor fd, just like fclose(fdopen(fd), mode) closes the file + descriptor fd. If you want to keep fd open, use gzdopen(dup(fd), mode). + gzdopen returns NULL if there was insufficient memory to allocate + the (de)compression state. +*/ + +ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); +/* + Dynamically update the compression level or strategy. See the description + of deflateInit2 for the meaning of these parameters. + gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not + opened for writing. +*/ + +ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len)); +/* + Reads the given number of uncompressed bytes from the compressed file. + If the input file was not in gzip format, gzread copies the given number + of bytes into the buffer. + gzread returns the number of uncompressed bytes actually read (0 for + end of file, -1 for error). */ + +ZEXTERN int ZEXPORT gzwrite OF((gzFile file, + voidpc buf, unsigned len)); +/* + Writes the given number of uncompressed bytes into the compressed file. + gzwrite returns the number of uncompressed bytes actually written + (0 in case of error). +*/ + +ZEXTERN int ZEXPORTVA gzprintf OF((gzFile file, const char *format, ...)); +/* + Converts, formats, and writes the args to the compressed file under + control of the format string, as in fprintf. gzprintf returns the number of + uncompressed bytes actually written (0 in case of error). The number of + uncompressed bytes written is limited to 4095. The caller should assure that + this limit is not exceeded. If it is exceeded, then gzprintf() will return + return an error (0) with nothing written. In this case, there may also be a + buffer overflow with unpredictable consequences, which is possible only if + zlib was compiled with the insecure functions sprintf() or vsprintf() + because the secure snprintf() or vsnprintf() functions were not available. +*/ + +ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s)); +/* + Writes the given null-terminated string to the compressed file, excluding + the terminating null character. + gzputs returns the number of characters written, or -1 in case of error. +*/ + +ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len)); +/* + Reads bytes from the compressed file until len-1 characters are read, or + a newline character is read and transferred to buf, or an end-of-file + condition is encountered. The string is then terminated with a null + character. + gzgets returns buf, or Z_NULL in case of error. +*/ + +ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c)); +/* + Writes c, converted to an unsigned char, into the compressed file. + gzputc returns the value that was written, or -1 in case of error. +*/ + +ZEXTERN int ZEXPORT gzgetc OF((gzFile file)); +/* + Reads one byte from the compressed file. gzgetc returns this byte + or -1 in case of end of file or error. +*/ + +ZEXTERN int ZEXPORT gzungetc OF((int c, gzFile file)); +/* + Push one character back onto the stream to be read again later. + Only one character of push-back is allowed. gzungetc() returns the + character pushed, or -1 on failure. gzungetc() will fail if a + character has been pushed but not read yet, or if c is -1. The pushed + character will be discarded if the stream is repositioned with gzseek() + or gzrewind(). +*/ + +ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush)); +/* + Flushes all pending output into the compressed file. The parameter + flush is as in the deflate() function. The return value is the zlib + error number (see function gzerror below). gzflush returns Z_OK if + the flush parameter is Z_FINISH and all output could be flushed. + gzflush should be called only when strictly necessary because it can + degrade compression. +*/ + +ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file, + z_off_t offset, int whence)); +/* + Sets the starting position for the next gzread or gzwrite on the + given compressed file. The offset represents a number of bytes in the + uncompressed data stream. The whence parameter is defined as in lseek(2); + the value SEEK_END is not supported. + If the file is opened for reading, this function is emulated but can be + extremely slow. If the file is opened for writing, only forward seeks are + supported; gzseek then compresses a sequence of zeroes up to the new + starting position. + + gzseek returns the resulting offset location as measured in bytes from + the beginning of the uncompressed stream, or -1 in case of error, in + particular if the file is opened for writing and the new starting position + would be before the current position. +*/ + +ZEXTERN int ZEXPORT gzrewind OF((gzFile file)); +/* + Rewinds the given file. This function is supported only for reading. + + gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET) +*/ + +ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file)); +/* + Returns the starting position for the next gzread or gzwrite on the + given compressed file. This position represents a number of bytes in the + uncompressed data stream. + + gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR) +*/ + +ZEXTERN int ZEXPORT gzeof OF((gzFile file)); +/* + Returns 1 when EOF has previously been detected reading the given + input stream, otherwise zero. +*/ + +ZEXTERN int ZEXPORT gzdirect OF((gzFile file)); +/* + Returns 1 if file is being read directly without decompression, otherwise + zero. +*/ + +ZEXTERN int ZEXPORT gzclose OF((gzFile file)); +/* + Flushes all pending output if necessary, closes the compressed file + and deallocates all the (de)compression state. The return value is the zlib + error number (see function gzerror below). +*/ + +ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum)); +/* + Returns the error message for the last error which occurred on the + given compressed file. errnum is set to zlib error number. If an + error occurred in the file system and not in the compression library, + errnum is set to Z_ERRNO and the application may consult errno + to get the exact error code. +*/ + +ZEXTERN void ZEXPORT gzclearerr OF((gzFile file)); +/* + Clears the error and end-of-file flags for file. This is analogous to the + clearerr() function in stdio. This is useful for continuing to read a gzip + file that is being written concurrently. +*/ + + /* checksum functions */ + +/* + These functions are not related to compression but are exported + anyway because they might be useful in applications using the + compression library. +*/ + +ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); +/* + Update a running Adler-32 checksum with the bytes buf[0..len-1] and + return the updated checksum. If buf is NULL, this function returns + the required initial value for the checksum. + An Adler-32 checksum is almost as reliable as a CRC32 but can be computed + much faster. Usage example: + + uLong adler = adler32(0L, Z_NULL, 0); + + while (read_buffer(buffer, length) != EOF) { + adler = adler32(adler, buffer, length); + } + if (adler != original_adler) error(); +*/ + +ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2, + z_off_t len2)); +/* + Combine two Adler-32 checksums into one. For two sequences of bytes, seq1 + and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for + each, adler1 and adler2. adler32_combine() returns the Adler-32 checksum of + seq1 and seq2 concatenated, requiring only adler1, adler2, and len2. +*/ + +ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len)); +/* + Update a running CRC-32 with the bytes buf[0..len-1] and return the + updated CRC-32. If buf is NULL, this function returns the required initial + value for the for the crc. Pre- and post-conditioning (one's complement) is + performed within this function so it shouldn't be done by the application. + Usage example: + + uLong crc = crc32(0L, Z_NULL, 0); + + while (read_buffer(buffer, length) != EOF) { + crc = crc32(crc, buffer, length); + } + if (crc != original_crc) error(); +*/ + +ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2)); + +/* + Combine two CRC-32 check values into one. For two sequences of bytes, + seq1 and seq2 with lengths len1 and len2, CRC-32 check values were + calculated for each, crc1 and crc2. crc32_combine() returns the CRC-32 + check value of seq1 and seq2 concatenated, requiring only crc1, crc2, and + len2. +*/ + + + /* various hacks, don't look :) */ + +/* deflateInit and inflateInit are macros to allow checking the zlib version + * and the compiler's view of z_stream: + */ +ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level, + const char *version, int stream_size)); +ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm, + const char *version, int stream_size)); +ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int level, int method, + int windowBits, int memLevel, + int strategy, const char *version, + int stream_size)); +ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits, + const char *version, int stream_size)); +ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, + unsigned char FAR *window, + const char *version, + int stream_size)); +#define deflateInit(strm, level) \ + deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream)) +#define inflateInit(strm) \ + inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream)) +#define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \ + deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\ + (strategy), ZLIB_VERSION, sizeof(z_stream)) +#define inflateInit2(strm, windowBits) \ + inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream)) +#define inflateBackInit(strm, windowBits, window) \ + inflateBackInit_((strm), (windowBits), (window), \ + ZLIB_VERSION, sizeof(z_stream)) + + +#if !defined(ZUTIL_H) && !defined(NO_DUMMY_DECL) + struct internal_state {int dummy;}; /* hack for buggy compilers */ +#endif + +ZEXTERN const char * ZEXPORT zError OF((int)); +ZEXTERN int ZEXPORT inflateSyncPoint OF((z_streamp z)); +ZEXTERN const uLongf * ZEXPORT get_crc_table OF((void)); + +#ifdef __cplusplus +} +#endif + +#endif /* ZLIB_H */ diff --git a/Build/source/libs/zlib/zlib-1.2.3/zutil.c b/Build/source/libs/zlib/zlib-1.2.3/zutil.c new file mode 100644 index 00000000000..d55f5948a37 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/zutil.c @@ -0,0 +1,318 @@ +/* zutil.c -- target dependent utility functions for the compression library + * Copyright (C) 1995-2005 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* @(#) $Id$ */ + +#include "zutil.h" + +#ifndef NO_DUMMY_DECL +struct internal_state {int dummy;}; /* for buggy compilers */ +#endif + +const char * const z_errmsg[10] = { +"need dictionary", /* Z_NEED_DICT 2 */ +"stream end", /* Z_STREAM_END 1 */ +"", /* Z_OK 0 */ +"file error", /* Z_ERRNO (-1) */ +"stream error", /* Z_STREAM_ERROR (-2) */ +"data error", /* Z_DATA_ERROR (-3) */ +"insufficient memory", /* Z_MEM_ERROR (-4) */ +"buffer error", /* Z_BUF_ERROR (-5) */ +"incompatible version",/* Z_VERSION_ERROR (-6) */ +""}; + + +const char * ZEXPORT zlibVersion() +{ + return ZLIB_VERSION; +} + +uLong ZEXPORT zlibCompileFlags() +{ + uLong flags; + + flags = 0; + switch (sizeof(uInt)) { + case 2: break; + case 4: flags += 1; break; + case 8: flags += 2; break; + default: flags += 3; + } + switch (sizeof(uLong)) { + case 2: break; + case 4: flags += 1 << 2; break; + case 8: flags += 2 << 2; break; + default: flags += 3 << 2; + } + switch (sizeof(voidpf)) { + case 2: break; + case 4: flags += 1 << 4; break; + case 8: flags += 2 << 4; break; + default: flags += 3 << 4; + } + switch (sizeof(z_off_t)) { + case 2: break; + case 4: flags += 1 << 6; break; + case 8: flags += 2 << 6; break; + default: flags += 3 << 6; + } +#ifdef DEBUG + flags += 1 << 8; +#endif +#if defined(ASMV) || defined(ASMINF) + flags += 1 << 9; +#endif +#ifdef ZLIB_WINAPI + flags += 1 << 10; +#endif +#ifdef BUILDFIXED + flags += 1 << 12; +#endif +#ifdef DYNAMIC_CRC_TABLE + flags += 1 << 13; +#endif +#ifdef NO_GZCOMPRESS + flags += 1L << 16; +#endif +#ifdef NO_GZIP + flags += 1L << 17; +#endif +#ifdef PKZIP_BUG_WORKAROUND + flags += 1L << 20; +#endif +#ifdef FASTEST + flags += 1L << 21; +#endif +#ifdef STDC +# ifdef NO_vsnprintf + flags += 1L << 25; +# ifdef HAS_vsprintf_void + flags += 1L << 26; +# endif +# else +# ifdef HAS_vsnprintf_void + flags += 1L << 26; +# endif +# endif +#else + flags += 1L << 24; +# ifdef NO_snprintf + flags += 1L << 25; +# ifdef HAS_sprintf_void + flags += 1L << 26; +# endif +# else +# ifdef HAS_snprintf_void + flags += 1L << 26; +# endif +# endif +#endif + return flags; +} + +#ifdef DEBUG + +# ifndef verbose +# define verbose 0 +# endif +int z_verbose = verbose; + +void z_error (m) + char *m; +{ + fprintf(stderr, "%s\n", m); + exit(1); +} +#endif + +/* exported to allow conversion of error code to string for compress() and + * uncompress() + */ +const char * ZEXPORT zError(err) + int err; +{ + return ERR_MSG(err); +} + +#if defined(_WIN32_WCE) + /* The Microsoft C Run-Time Library for Windows CE doesn't have + * errno. We define it as a global variable to simplify porting. + * Its value is always 0 and should not be used. + */ + int errno = 0; +#endif + +#ifndef HAVE_MEMCPY + +void zmemcpy(dest, source, len) + Bytef* dest; + const Bytef* source; + uInt len; +{ + if (len == 0) return; + do { + *dest++ = *source++; /* ??? to be unrolled */ + } while (--len != 0); +} + +int zmemcmp(s1, s2, len) + const Bytef* s1; + const Bytef* s2; + uInt len; +{ + uInt j; + + for (j = 0; j < len; j++) { + if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1; + } + return 0; +} + +void zmemzero(dest, len) + Bytef* dest; + uInt len; +{ + if (len == 0) return; + do { + *dest++ = 0; /* ??? to be unrolled */ + } while (--len != 0); +} +#endif + + +#ifdef SYS16BIT + +#ifdef __TURBOC__ +/* Turbo C in 16-bit mode */ + +# define MY_ZCALLOC + +/* Turbo C malloc() does not allow dynamic allocation of 64K bytes + * and farmalloc(64K) returns a pointer with an offset of 8, so we + * must fix the pointer. Warning: the pointer must be put back to its + * original form in order to free it, use zcfree(). + */ + +#define MAX_PTR 10 +/* 10*64K = 640K */ + +local int next_ptr = 0; + +typedef struct ptr_table_s { + voidpf org_ptr; + voidpf new_ptr; +} ptr_table; + +local ptr_table table[MAX_PTR]; +/* This table is used to remember the original form of pointers + * to large buffers (64K). Such pointers are normalized with a zero offset. + * Since MSDOS is not a preemptive multitasking OS, this table is not + * protected from concurrent access. This hack doesn't work anyway on + * a protected system like OS/2. Use Microsoft C instead. + */ + +voidpf zcalloc (voidpf opaque, unsigned items, unsigned size) +{ + voidpf buf = opaque; /* just to make some compilers happy */ + ulg bsize = (ulg)items*size; + + /* If we allocate less than 65520 bytes, we assume that farmalloc + * will return a usable pointer which doesn't have to be normalized. + */ + if (bsize < 65520L) { + buf = farmalloc(bsize); + if (*(ush*)&buf != 0) return buf; + } else { + buf = farmalloc(bsize + 16L); + } + if (buf == NULL || next_ptr >= MAX_PTR) return NULL; + table[next_ptr].org_ptr = buf; + + /* Normalize the pointer to seg:0 */ + *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4; + *(ush*)&buf = 0; + table[next_ptr++].new_ptr = buf; + return buf; +} + +void zcfree (voidpf opaque, voidpf ptr) +{ + int n; + if (*(ush*)&ptr != 0) { /* object < 64K */ + farfree(ptr); + return; + } + /* Find the original pointer */ + for (n = 0; n < next_ptr; n++) { + if (ptr != table[n].new_ptr) continue; + + farfree(table[n].org_ptr); + while (++n < next_ptr) { + table[n-1] = table[n]; + } + next_ptr--; + return; + } + ptr = opaque; /* just to make some compilers happy */ + Assert(0, "zcfree: ptr not found"); +} + +#endif /* __TURBOC__ */ + + +#ifdef M_I86 +/* Microsoft C in 16-bit mode */ + +# define MY_ZCALLOC + +#if (!defined(_MSC_VER) || (_MSC_VER <= 600)) +# define _halloc halloc +# define _hfree hfree +#endif + +voidpf zcalloc (voidpf opaque, unsigned items, unsigned size) +{ + if (opaque) opaque = 0; /* to make compiler happy */ + return _halloc((long)items, size); +} + +void zcfree (voidpf opaque, voidpf ptr) +{ + if (opaque) opaque = 0; /* to make compiler happy */ + _hfree(ptr); +} + +#endif /* M_I86 */ + +#endif /* SYS16BIT */ + + +#ifndef MY_ZCALLOC /* Any system without a special alloc function */ + +#ifndef STDC +extern voidp malloc OF((uInt size)); +extern voidp calloc OF((uInt items, uInt size)); +extern void free OF((voidpf ptr)); +#endif + +voidpf zcalloc (opaque, items, size) + voidpf opaque; + unsigned items; + unsigned size; +{ + if (opaque) items += size - size; /* make compiler happy */ + return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) : + (voidpf)calloc(items, size); +} + +void zcfree (opaque, ptr) + voidpf opaque; + voidpf ptr; +{ + free(ptr); + if (opaque) return; /* make compiler happy */ +} + +#endif /* MY_ZCALLOC */ diff --git a/Build/source/libs/zlib/zlib-1.2.3/zutil.h b/Build/source/libs/zlib/zlib-1.2.3/zutil.h new file mode 100644 index 00000000000..b7d5eff81b6 --- /dev/null +++ b/Build/source/libs/zlib/zlib-1.2.3/zutil.h @@ -0,0 +1,269 @@ +/* zutil.h -- internal interface and configuration of the compression library + * Copyright (C) 1995-2005 Jean-loup Gailly. + * For conditions of distribution and use, see copyright notice in zlib.h + */ + +/* WARNING: this file should *not* be used by applications. It is + part of the implementation of the compression library and is + subject to change. Applications should only use zlib.h. + */ + +/* @(#) $Id$ */ + +#ifndef ZUTIL_H +#define ZUTIL_H + +#define ZLIB_INTERNAL +#include "zlib.h" + +#ifdef STDC +# ifndef _WIN32_WCE +# include +# endif +# include +# include +#endif +#ifdef NO_ERRNO_H +# ifdef _WIN32_WCE + /* The Microsoft C Run-Time Library for Windows CE doesn't have + * errno. We define it as a global variable to simplify porting. + * Its value is always 0 and should not be used. We rename it to + * avoid conflict with other libraries that use the same workaround. + */ +# define errno z_errno +# endif + extern int errno; +#else +# ifndef _WIN32_WCE +# include +# endif +#endif + +#ifndef local +# define local static +#endif +/* compile with -Dlocal if your debugger can't find static symbols */ + +typedef unsigned char uch; +typedef uch FAR uchf; +typedef unsigned short ush; +typedef ush FAR ushf; +typedef unsigned long ulg; + +extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ +/* (size given to avoid silly warnings with Visual C++) */ + +#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] + +#define ERR_RETURN(strm,err) \ + return (strm->msg = (char*)ERR_MSG(err), (err)) +/* To be used only when the state is known to be valid */ + + /* common constants */ + +#ifndef DEF_WBITS +# define DEF_WBITS MAX_WBITS +#endif +/* default windowBits for decompression. MAX_WBITS is for compression only */ + +#if MAX_MEM_LEVEL >= 8 +# define DEF_MEM_LEVEL 8 +#else +# define DEF_MEM_LEVEL MAX_MEM_LEVEL +#endif +/* default memLevel */ + +#define STORED_BLOCK 0 +#define STATIC_TREES 1 +#define DYN_TREES 2 +/* The three kinds of block type */ + +#define MIN_MATCH 3 +#define MAX_MATCH 258 +/* The minimum and maximum match lengths */ + +#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ + + /* target dependencies */ + +#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) +# define OS_CODE 0x00 +# if defined(__TURBOC__) || defined(__BORLANDC__) +# if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) + /* Allow compilation with ANSI keywords only enabled */ + void _Cdecl farfree( void *block ); + void *_Cdecl farmalloc( unsigned long nbytes ); +# else +# include +# endif +# else /* MSC or DJGPP */ +# include +# endif +#endif + +#ifdef AMIGA +# define OS_CODE 0x01 +#endif + +#if defined(VAXC) || defined(VMS) +# define OS_CODE 0x02 +# define F_OPEN(name, mode) \ + fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") +#endif + +#if defined(ATARI) || defined(atarist) +# define OS_CODE 0x05 +#endif + +#ifdef OS2 +# define OS_CODE 0x06 +# ifdef M_I86 + #include +# endif +#endif + +#if defined(MACOS) || defined(TARGET_OS_MAC) +# define OS_CODE 0x07 +# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os +# include /* for fdopen */ +# else +# ifndef fdopen +# define fdopen(fd,mode) NULL /* No fdopen() */ +# endif +# endif +#endif + +#ifdef TOPS20 +# define OS_CODE 0x0a +#endif + +#ifdef WIN32 +# ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */ +# define OS_CODE 0x0b +# endif +#endif + +#ifdef __50SERIES /* Prime/PRIMOS */ +# define OS_CODE 0x0f +#endif + +#if defined(_BEOS_) || defined(RISCOS) +# define fdopen(fd,mode) NULL /* No fdopen() */ +#endif + +#if (defined(_MSC_VER) && (_MSC_VER > 600)) +# if defined(_WIN32_WCE) +# define fdopen(fd,mode) NULL /* No fdopen() */ +# ifndef _PTRDIFF_T_DEFINED + typedef int ptrdiff_t; +# define _PTRDIFF_T_DEFINED +# endif +# else +# define fdopen(fd,type) _fdopen(fd,type) +# endif +#endif + + /* common defaults */ + +#ifndef OS_CODE +# define OS_CODE 0x03 /* assume Unix */ +#endif + +#ifndef F_OPEN +# define F_OPEN(name, mode) fopen((name), (mode)) +#endif + + /* functions */ + +#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif +#if defined(__CYGWIN__) +# ifndef HAVE_VSNPRINTF +# define HAVE_VSNPRINTF +# endif +#endif +#ifndef HAVE_VSNPRINTF +# ifdef MSDOS + /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), + but for now we just assume it doesn't. */ +# define NO_vsnprintf +# endif +# ifdef __TURBOC__ +# define NO_vsnprintf +# endif +# ifdef WIN32 + /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ +# if !defined(vsnprintf) && !defined(NO_vsnprintf) +# define vsnprintf _vsnprintf +# endif +# endif +# ifdef __SASC +# define NO_vsnprintf +# endif +#endif +#ifdef VMS +# define NO_vsnprintf +#endif + +#if defined(pyr) +# define NO_MEMCPY +#endif +#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) + /* Use our own functions for small and medium model with MSC <= 5.0. + * You may have to use the same strategy for Borland C (untested). + * The __SC__ check is for Symantec. + */ +# define NO_MEMCPY +#endif +#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) +# define HAVE_MEMCPY +#endif +#ifdef HAVE_MEMCPY +# ifdef SMALL_MEDIUM /* MSDOS small or medium model */ +# define zmemcpy _fmemcpy +# define zmemcmp _fmemcmp +# define zmemzero(dest, len) _fmemset(dest, 0, len) +# else +# define zmemcpy memcpy +# define zmemcmp memcmp +# define zmemzero(dest, len) memset(dest, 0, len) +# endif +#else + extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len)); + extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len)); + extern void zmemzero OF((Bytef* dest, uInt len)); +#endif + +/* Diagnostic functions */ +#ifdef DEBUG +# include + extern int z_verbose; + extern void z_error OF((char *m)); +# define Assert(cond,msg) {if(!(cond)) z_error(msg);} +# define Trace(x) {if (z_verbose>=0) fprintf x ;} +# define Tracev(x) {if (z_verbose>0) fprintf x ;} +# define Tracevv(x) {if (z_verbose>1) fprintf x ;} +# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} +# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;} +#else +# define Assert(cond,msg) +# define Trace(x) +# define Tracev(x) +# define Tracevv(x) +# define Tracec(c,x) +# define Tracecv(c,x) +#endif + + +voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size)); +void zcfree OF((voidpf opaque, voidpf ptr)); + +#define ZALLOC(strm, items, size) \ + (*((strm)->zalloc))((strm)->opaque, (items), (size)) +#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) +#define TRY_FREE(s, p) {if (p) ZFREE(s, p);} + +#endif /* ZUTIL_H */ diff --git a/Build/source/libs/zlib/zlib.test b/Build/source/libs/zlib/zlib.test new file mode 100755 index 00000000000..9db9a9a33af --- /dev/null +++ b/Build/source/libs/zlib/zlib.test @@ -0,0 +1,14 @@ +#! /bin/sh + +echo hello world | ./minigzip | ./minigzip -d || { \ + echo ' *** minigzip test FAILED ***' + exit 1 +} + +if ./example; then + echo ' *** zlib test OK ***' +else + echo ' *** zlib test FAILED ***' + exit 1 +fi + -- cgit v1.2.3