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authorPeter Breitenlohner <peb@mppmu.mpg.de>2012-03-04 13:16:15 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2012-03-04 13:16:15 +0000
commit4f735f9c7efbb40316858ad2efed993d860c7461 (patch)
tree43ccf38db72347f7b31eee44ec13854565310706 /Build/source/libs/icu/icu-4.8.1/common/umapfile.c
parenta88413671252aebde6da430845232b126d5a71dd (diff)
icu 49.1 (49_rc)
git-svn-id: svn://tug.org/texlive/trunk@25559 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/icu/icu-4.8.1/common/umapfile.c')
-rw-r--r--Build/source/libs/icu/icu-4.8.1/common/umapfile.c465
1 files changed, 0 insertions, 465 deletions
diff --git a/Build/source/libs/icu/icu-4.8.1/common/umapfile.c b/Build/source/libs/icu/icu-4.8.1/common/umapfile.c
deleted file mode 100644
index f9f857e9dbe..00000000000
--- a/Build/source/libs/icu/icu-4.8.1/common/umapfile.c
+++ /dev/null
@@ -1,465 +0,0 @@
-/*
-******************************************************************************
-*
-* Copyright (C) 1999-2010, International Business Machines
-* Corporation and others. All Rights Reserved.
-*
-******************************************************************************/
-
-
-/*----------------------------------------------------------------------------
- *
- * Memory mapped file wrappers for use by the ICU Data Implementation
- * All of the platform-specific implementation for mapping data files
- * is here. The rest of the ICU Data implementation uses only the
- * wrapper functions.
- *
- *----------------------------------------------------------------------------*/
-
-#include "unicode/putil.h"
-#include "udatamem.h"
-#include "umapfile.h"
-
-/* memory-mapping base definitions ------------------------------------------ */
-
-#if MAP_IMPLEMENTATION==MAP_WIN32
-# define WIN32_LEAN_AND_MEAN
-# define VC_EXTRALEAN
-# define NOUSER
-# define NOSERVICE
-# define NOIME
-# define NOMCX
-# include <windows.h>
-# include "cmemory.h"
-
- typedef HANDLE MemoryMap;
-
-# define IS_MAP(map) ((map)!=NULL)
-#elif MAP_IMPLEMENTATION==MAP_POSIX || MAP_IMPLEMENTATION==MAP_390DLL
- typedef size_t MemoryMap;
-
-# define IS_MAP(map) ((map)!=0)
-
-# include <unistd.h>
-# include <sys/mman.h>
-# include <sys/stat.h>
-# include <fcntl.h>
-
-# ifndef MAP_FAILED
-# define MAP_FAILED ((void*)-1)
-# endif
-
-# if MAP_IMPLEMENTATION==MAP_390DLL
- /* No memory mapping for 390 batch mode. Fake it using dll loading. */
-# include <dll.h>
-# include "cstring.h"
-# include "cmemory.h"
-# include "unicode/udata.h"
-# define LIB_PREFIX "lib"
-# define LIB_SUFFIX ".dll"
- /* This is inconvienient until we figure out what to do with U_ICUDATA_NAME in utypes.h */
-# define U_ICUDATA_ENTRY_NAME "icudt" U_ICU_VERSION_SHORT U_LIB_SUFFIX_C_NAME_STRING "_dat"
-# else
-# if defined(U_DARWIN)
-# include <TargetConditionals.h>
-# endif
-# endif
-#elif MAP_IMPLEMENTATION==MAP_STDIO
-# include <stdio.h>
-# include "cmemory.h"
-
- typedef void *MemoryMap;
-
-# define IS_MAP(map) ((map)!=NULL)
-#endif
-
-/*----------------------------------------------------------------------------*
- * *
- * Memory Mapped File support. Platform dependent implementation of *
- * functions used by the rest of the implementation.*
- * *
- *----------------------------------------------------------------------------*/
-#if MAP_IMPLEMENTATION==MAP_NONE
- U_CFUNC UBool
- uprv_mapFile(UDataMemory *pData, const char *path) {
- UDataMemory_init(pData); /* Clear the output struct. */
- return FALSE; /* no file access */
- }
-
- U_CFUNC void uprv_unmapFile(UDataMemory *pData) {
- /* nothing to do */
- }
-#elif MAP_IMPLEMENTATION==MAP_WIN32
- U_CFUNC UBool
- uprv_mapFile(
- UDataMemory *pData, /* Fill in with info on the result doing the mapping. */
- /* Output only; any original contents are cleared. */
- const char *path /* File path to be opened/mapped */
- )
- {
- HANDLE map;
- HANDLE file;
- SECURITY_ATTRIBUTES mappingAttributes;
- SECURITY_ATTRIBUTES *mappingAttributesPtr = NULL;
- SECURITY_DESCRIPTOR securityDesc;
-
- UDataMemory_init(pData); /* Clear the output struct. */
-
- /* open the input file */
- file=CreateFileA(path, GENERIC_READ, FILE_SHARE_READ, NULL,
- OPEN_EXISTING,
- FILE_ATTRIBUTE_NORMAL|FILE_FLAG_RANDOM_ACCESS, NULL);
- if(file==INVALID_HANDLE_VALUE) {
- return FALSE;
- }
-
- /* Declare and initialize a security descriptor.
- This is required for multiuser systems on Windows 2000 SP4 and beyond */
- if (InitializeSecurityDescriptor(&securityDesc, SECURITY_DESCRIPTOR_REVISION)) {
- /* give the security descriptor a Null Dacl done using the "TRUE, (PACL)NULL" here */
- if (SetSecurityDescriptorDacl(&securityDesc, TRUE, (PACL)NULL, FALSE)) {
- /* Make the security attributes point to the security descriptor */
- uprv_memset(&mappingAttributes, 0, sizeof(mappingAttributes));
- mappingAttributes.nLength = sizeof(mappingAttributes);
- mappingAttributes.lpSecurityDescriptor = &securityDesc;
- mappingAttributes.bInheritHandle = FALSE; /* object uninheritable */
- mappingAttributesPtr = &mappingAttributes;
- }
- }
- /* else creating security descriptors can fail when we are on Windows 98,
- and mappingAttributesPtr == NULL for that case. */
-
- /* create an unnamed Windows file-mapping object for the specified file */
- map=CreateFileMapping(file, mappingAttributesPtr, PAGE_READONLY, 0, 0, NULL);
- CloseHandle(file);
- if(map==NULL) {
- return FALSE;
- }
-
- /* map a view of the file into our address space */
- pData->pHeader=(const DataHeader *)MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
- if(pData->pHeader==NULL) {
- CloseHandle(map);
- return FALSE;
- }
- pData->map=map;
- return TRUE;
- }
-
- U_CFUNC void
- uprv_unmapFile(UDataMemory *pData) {
- if(pData!=NULL && pData->map!=NULL) {
- UnmapViewOfFile(pData->pHeader);
- CloseHandle(pData->map);
- pData->pHeader=NULL;
- pData->map=NULL;
- }
- }
-
-
-
-#elif MAP_IMPLEMENTATION==MAP_POSIX
- U_CFUNC UBool
- uprv_mapFile(UDataMemory *pData, const char *path) {
- int fd;
- int length;
- struct stat mystat;
- void *data;
-
- UDataMemory_init(pData); /* Clear the output struct. */
-
- /* determine the length of the file */
- if(stat(path, &mystat)!=0 || mystat.st_size<=0) {
- return FALSE;
- }
- length=mystat.st_size;
-
- /* open the file */
- fd=open(path, O_RDONLY);
- if(fd==-1) {
- return FALSE;
- }
-
- /* get a view of the mapping */
-#ifndef U_HPUX
- data=mmap(0, length, PROT_READ, MAP_SHARED, fd, 0);
-#else
- data=mmap(0, length, PROT_READ, MAP_PRIVATE, fd, 0);
-#endif
- close(fd); /* no longer needed */
- if(data==MAP_FAILED) {
- return FALSE;
- }
-
- pData->map = (char *)data + length;
- pData->pHeader=(const DataHeader *)data;
- pData->mapAddr = data;
-#if defined(U_DARWIN) && TARGET_OS_IPHONE
- posix_madvise(data, length, POSIX_MADV_RANDOM);
-#endif
- return TRUE;
- }
-
- U_CFUNC void
- uprv_unmapFile(UDataMemory *pData) {
- if(pData!=NULL && pData->map!=NULL) {
- size_t dataLen = (char *)pData->map - (char *)pData->mapAddr;
- if(munmap(pData->mapAddr, dataLen)==-1) {
- }
- pData->pHeader=NULL;
- pData->map=0;
- pData->mapAddr=NULL;
- }
- }
-
-
-
-#elif MAP_IMPLEMENTATION==MAP_STDIO
- /* copy of the filestrm.c/T_FileStream_size() implementation */
- static int32_t
- umap_fsize(FILE *f) {
- int32_t savedPos = ftell(f);
- int32_t size = 0;
-
- /*Changes by Bertrand A. D. doesn't affect the current position
- goes to the end of the file before ftell*/
- fseek(f, 0, SEEK_END);
- size = (int32_t)ftell(f);
- fseek(f, savedPos, SEEK_SET);
- return size;
- }
-
- U_CFUNC UBool
- uprv_mapFile(UDataMemory *pData, const char *path) {
- FILE *file;
- int32_t fileLength;
- void *p;
-
- UDataMemory_init(pData); /* Clear the output struct. */
- /* open the input file */
- file=fopen(path, "rb");
- if(file==NULL) {
- return FALSE;
- }
-
- /* get the file length */
- fileLength=umap_fsize(file);
- if(ferror(file) || fileLength<=20) {
- fclose(file);
- return FALSE;
- }
-
- /* allocate the memory to hold the file data */
- p=uprv_malloc(fileLength);
- if(p==NULL) {
- fclose(file);
- return FALSE;
- }
-
- /* read the file */
- if(fileLength!=fread(p, 1, fileLength, file)) {
- uprv_free(p);
- fclose(file);
- return FALSE;
- }
-
- fclose(file);
- pData->map=p;
- pData->pHeader=(const DataHeader *)p;
- pData->mapAddr=p;
- return TRUE;
- }
-
- U_CFUNC void
- uprv_unmapFile(UDataMemory *pData) {
- if(pData!=NULL && pData->map!=NULL) {
- uprv_free(pData->map);
- pData->map = NULL;
- pData->mapAddr = NULL;
- pData->pHeader = NULL;
- }
- }
-
-
-#elif MAP_IMPLEMENTATION==MAP_390DLL
- /* 390 specific Library Loading.
- * This is the only platform left that dynamically loads an ICU Data Library.
- * All other platforms use .data files when dynamic loading is required, but
- * this turn out to be awkward to support in 390 batch mode.
- *
- * The idea here is to hide the fact that 390 is using dll loading from the
- * rest of ICU, and make it look like there is file loading happening.
- *
- */
-
- static char *strcpy_returnEnd(char *dest, const char *src)
- {
- while((*dest=*src)!=0) {
- ++dest;
- ++src;
- }
- return dest;
- }
-
- /*------------------------------------------------------------------------------
- *
- * computeDirPath given a user-supplied path of an item to be opened,
- * compute and return
- * - the full directory path to be used
- * when opening the file.
- * - Pointer to null at end of above returned path
- *
- * Parameters:
- * path: input path. Buffer is not altered.
- * pathBuffer: Output buffer. Any contents are overwritten.
- *
- * Returns:
- * Pointer to null termination in returned pathBuffer.
- *
- * TODO: This works the way ICU historically has, but the
- * whole data fallback search path is so complicated that
- * proabably almost no one will ever really understand it,
- * the potential for confusion is large. (It's not just
- * this one function, but the whole scheme.)
- *
- *------------------------------------------------------------------------------*/
- static char *uprv_computeDirPath(const char *path, char *pathBuffer)
- {
- char *finalSlash; /* Ptr to last dir separator in input path, or null if none. */
- int32_t pathLen; /* Length of the returned directory path */
-
- finalSlash = 0;
- if (path != 0) {
- finalSlash = uprv_strrchr(path, U_FILE_SEP_CHAR);
- }
-
- *pathBuffer = 0;
- if (finalSlash == 0) {
- /* No user-supplied path.
- * Copy the ICU_DATA path to the path buffer and return that*/
- const char *icuDataDir;
- icuDataDir=u_getDataDirectory();
- if(icuDataDir!=NULL && *icuDataDir!=0) {
- return strcpy_returnEnd(pathBuffer, icuDataDir);
- } else {
- /* there is no icuDataDir either. Just return the empty pathBuffer. */
- return pathBuffer;
- }
- }
-
- /* User supplied path did contain a directory portion.
- * Copy it to the output path buffer */
- pathLen = (int32_t)(finalSlash - path + 1);
- uprv_memcpy(pathBuffer, path, pathLen);
- *(pathBuffer+pathLen) = 0;
- return pathBuffer+pathLen;
- }
-
-
-# define DATA_TYPE "dat"
-
- U_CFUNC UBool uprv_mapFile(UDataMemory *pData, const char *path) {
- const char *inBasename;
- char *basename;
- char pathBuffer[1024];
- const DataHeader *pHeader;
- dllhandle *handle;
- void *val=0;
-
- inBasename=uprv_strrchr(path, U_FILE_SEP_CHAR);
- if(inBasename==NULL) {
- inBasename = path;
- } else {
- inBasename++;
- }
- basename=uprv_computeDirPath(path, pathBuffer);
- if(uprv_strcmp(inBasename, U_ICUDATA_NAME".dat") != 0) {
- /* must mmap file... for build */
- int fd;
- int length;
- struct stat mystat;
- void *data;
- UDataMemory_init(pData); /* Clear the output struct. */
-
- /* determine the length of the file */
- if(stat(path, &mystat)!=0 || mystat.st_size<=0) {
- return FALSE;
- }
- length=mystat.st_size;
-
- /* open the file */
- fd=open(path, O_RDONLY);
- if(fd==-1) {
- return FALSE;
- }
-
- /* get a view of the mapping */
- data=mmap(0, length, PROT_READ, MAP_PRIVATE, fd, 0);
- close(fd); /* no longer needed */
- if(data==MAP_FAILED) {
- return FALSE;
- }
- pData->map = (char *)data + length;
- pData->pHeader=(const DataHeader *)data;
- pData->mapAddr = data;
- return TRUE;
- }
-
-# ifdef OS390BATCH
- /* ### hack: we still need to get u_getDataDirectory() fixed
- for OS/390 (batch mode - always return "//"? )
- and this here straightened out with LIB_PREFIX and LIB_SUFFIX (both empty?!)
- This is probably due to the strange file system on OS/390. It's more like
- a database with short entry names than a typical file system. */
- /* U_ICUDATA_NAME should always have the correct name */
- /* BUT FOR BATCH MODE IT IS AN EXCEPTION BECAUSE */
- /* THE FIRST THREE LETTERS ARE PREASSIGNED TO THE */
- /* PROJECT!!!!! */
- uprv_strcpy(pathBuffer, "IXMI" U_ICU_VERSION_SHORT "DA");
-# else
- /* set up the library name */
- uprv_strcpy(basename, LIB_PREFIX U_LIBICUDATA_NAME U_ICU_VERSION_SHORT LIB_SUFFIX);
-# endif
-
-# ifdef UDATA_DEBUG
- fprintf(stderr, "dllload: %s ", pathBuffer);
-# endif
-
- handle=dllload(pathBuffer);
-
-# ifdef UDATA_DEBUG
- fprintf(stderr, " -> %08X\n", handle );
-# endif
-
- if(handle != NULL) {
- /* we have a data DLL - what kind of lookup do we need here? */
- /* try to find the Table of Contents */
- UDataMemory_init(pData); /* Clear the output struct. */
- val=dllqueryvar((dllhandle*)handle, U_ICUDATA_ENTRY_NAME);
- if(val == 0) {
- /* failed... so keep looking */
- return FALSE;
- }
-# ifdef UDATA_DEBUG
- fprintf(stderr, "dllqueryvar(%08X, %s) -> %08X\n", handle, U_ICUDATA_ENTRY_NAME, val);
-# endif
-
- pData->pHeader=(const DataHeader *)val;
- return TRUE;
- } else {
- return FALSE; /* no handle */
- }
- }
-
- U_CFUNC void uprv_unmapFile(UDataMemory *pData) {
- if(pData!=NULL && pData->map!=NULL) {
- uprv_free(pData->map);
- pData->map = NULL;
- pData->mapAddr = NULL;
- pData->pHeader = NULL;
- }
- }
-
-#else
-# error MAP_IMPLEMENTATION is set incorrectly
-#endif