diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
---|---|---|
committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk3mem.c |
Initial commit
Diffstat (limited to 'support/dktools/dk3mem.c')
-rw-r--r-- | support/dktools/dk3mem.c | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/support/dktools/dk3mem.c b/support/dktools/dk3mem.c new file mode 100644 index 0000000000..43681a09b1 --- /dev/null +++ b/support/dktools/dk3mem.c @@ -0,0 +1,348 @@ +/* + WARNING: This file was generated by dkct. + Changes you make here will be lost if dkct is run again! + You should modify the original source and run dkct on it. + Original source: dk3mem.ctr +*/ + +/* +Copyright (C) 2011-2017, Dirk Krause + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above opyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. +* Neither the name of the author nor the names of contributors may be used + to endorse or promote products derived from this software without specific + prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. +IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** @file dk3mem.c The dk3mem module. +*/ + + +#line 166 "dk3mem.ctr" + +#include "dk3all.h" + + + + + + +#line 172 "dk3mem.ctr" + + + +void +dk3mem_res(void *mp, size_t sz) +/* {{{ */ +{ + if((NULL != mp) && (0 != sz)) { +#if DK3_HAVE_MEMSET + memset(mp, (int)'\0', sz); +#else +#if DK3_HAVE_BZERO + bzero(mp, sz); +#else + register char *ptr; + register size_t i; + ptr = (char *)mp; i = sz; + while(i--) { *(ptr++) = '\0'; } +#endif +#endif + } +} +/* }}} */ + + + +void +dk3mem_cpy(void *dp, void const *sp, size_t sz) +/* {{{ */ +{ + if((NULL != dp) && (NULL != sp) && (0 != sz)) { +#if DK3_HAVE_MEMCPY + memcpy(dp, sp, sz); +#else +#if DK3_HAVE_BCOPY + bcopy(sp, dp, sz); +#else + register char *mydp; + register char const *mysp; + register size_t i; + mydp = (char *)dp; + mysp = (char const *)sp; + i = sz; + while(i--) { *(mydp++) = *(mysp++); } +#endif +#endif + } +} +/* }}} */ + + + +int +dk3mem_cmp(void const *s1, void const *s2, size_t sz) +/* {{{ */ +{ + int back = 0; + if(NULL != s1) { + if(NULL != s2) { +#if DK3_HAVE_MEMCMP + back = memcmp(s1, s2, sz); +#else +#if DK3_HAVE_BCMP + back = bcmp(s1, s2, sz); +#else + register unsigned char const *mys1; + register unsigned char const *mys2; + register size_t i; + register int myback = 0; + mys1 = (unsigned char const *)s1; + mys2 = (unsigned char const *)s2; + for(i = 0; ((i < sz) && (0 == myback)); i++) { + if(*mys1 > *mys2) { + myback = 1; + } else { + if(*mys1 < *mys2) { + myback = -1; + } else { + mys1++; mys2++; + } + } + } + back = myback; +#endif +#endif + } else { back = 1; } + } else { + if(s2) { back = -1; } + } + return back; +} +/* }}} */ + + + +void * +dk3mem_malloc_app(size_t sz, dk3_app_t *app) +/* {{{ */ +{ + void *back = NULL; + char c8buffer[64]; /* Buffer to show number of bytes. */ + dkChar dkbuffer[64]; /* Buffer to show number of bytes. */ + + +#line 275 "dk3mem.ctr" + if(0 != sz) { +#if DK3_ON_WINDOWS && (_MSC_VER > 1100) + + +#line 278 "dk3mem.ctr" + back = (void *)LocalAlloc((LMEM_FIXED | LMEM_ZEROINIT), sz); +#else +#if DK3_HAVE_MALLOC && DK3_HAVE_FREE + + +#line 282 "dk3mem.ctr" + back = malloc(sz); + + +#line 284 "dk3mem.ctr" +#else +#error "The malloc and free functions are not available here!" +#endif +#endif + if(NULL != back) { + +#line 289 "dk3mem.ctr" + dk3mem_res(back, sz); + } else { + +#line 291 "dk3mem.ctr" + if(NULL != app) { + +#line 292 "dk3mem.ctr" + /* ERROR: Failed to allocate n bytes! */ + if(0 != dk3ma_um_to_c8_string(c8buffer,sizeof(c8buffer),(dk3_um_t)sz)) { + (void)dk3str_cnv_c8_to_str_app( + dkbuffer, DK3_SIZEOF(dkbuffer,dkChar), c8buffer, NULL + ); + dk3app_log_i3(app, DK3_LL_ERROR, 12, 13, dkbuffer); + } else { + dk3app_log_i1(app, DK3_LL_ERROR, 14); + } + } + } + } + +#line 304 "dk3mem.ctr" + return back; +} +/* }}} */ + + +void * +dk3mem_malloc(size_t sz) +/* {{{ */ +{ + void *back; + back = dk3mem_malloc_app(sz, NULL); + return back; +} +/* }}} */ + + + +size_t +dk3mem_mul_size_t(size_t sz, size_t ne, int *ec) +/* {{{ */ +{ + size_t back = 0; + if (0 < sz) { + if ((DK3_SIZE_T_MAX / sz) < ne) { + if (NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } + } else { + back = (sz * ne); + } + } else { + if (NULL != ec) { *ec = DK3_ERROR_MATH_OUT_OF_RANGE; } + } + return back; +} +/* }}} */ + + + +size_t +dk3mem_add_size_t(size_t a, size_t b, int *ec) +{ + size_t back = 0; + if((DK3_SIZE_T_MAX - a) >= b) { back = a + b; } + else { if(NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } } + return back; +} + + +void * +dk3mem_alloc_app(size_t sz, size_t ne, dk3_app_t *app) +/* {{{ */ +{ + void *back = NULL; + size_t as = 0; /* Allocation size. */ + char c8b1[64]; /* Buffer for element size. */ + char c8b2[64]; /* Buffer for number of elements. */ + dkChar dkb1[64]; /* Buffer for element size. */ + dkChar dkb2[64]; /* Buffer for number of elements. */ + int ok = 0; /* Flag: Success. */ + + +#line 363 "dk3mem.ctr" + if((0 != sz) && (0 != ne)) { + as = dk3mem_mul_size_t(sz, ne, NULL); + if(0 != as) { + back = dk3mem_malloc_app(as, app); + } else { + if(NULL != app) { + /* ERROR: Numeric overflow! */ + ok = 0; + dkb1[0] = dkb2[0] = dkT('\0'); + if(0 != dk3ma_um_to_c8_string(c8b1, sizeof(c8b1),(dk3_um_t)sz)) { + if(0 != dk3ma_um_to_c8_string(c8b2, sizeof(c8b2),(dk3_um_t)ne)) { + (void)dk3str_cnv_c8_to_str_app( + dkb1, DK3_SIZEOF(dkb1,dkChar), c8b1, NULL + ); + (void)dk3str_cnv_c8_to_str_app( + dkb2, DK3_SIZEOF(dkb2,dkChar), c8b2, NULL + ); + ok = 1; + } + } + if(0 != ok) { + dk3app_log_i5(app, DK3_LL_ERROR, 16, 17, 18, dkb1, dkb2); + } else { + dk3app_log_i1(app, DK3_LL_ERROR, 15); + } + } + } + } + +#line 391 "dk3mem.ctr" + return back; +} +/* }}} */ + + + +void * +dk3mem_alloc(size_t sz, size_t ne) +/* {{{ */ +{ + void *back; + back = dk3mem_alloc_app(sz, ne, NULL); + return back; +} +/* }}} */ + + + +void +dk3mem_free (void *po) +/* {{{ */ +{ + if(NULL != po) { +#if DK3_ON_WINDOWS && (_MSC_VER > 1100) + LocalFree((HLOCAL)po); +#else +#if DK3_HAVE_MALLOC && DK3_HAVE_FREE + free(po); +#endif +#endif + } +} +/* }}} */ + +int +dk3mem_reset_secure(void *mp, size_t sz) +{ + char *ptr; + int back = 0; + if ((NULL != mp) && (0 < sz)) { +#if DK3_ON_WINDOWS + SecureZeroMemory(mp, sz); + back = 1; +#else + dk3mem_res(mp, sz); + back = 1; + ptr = (char *)mp; + while (sz--) { + if ('\0' != *(ptr++)) { + back = 0; + } + } +#endif + } + return back; +} + + +/* vim: set ai sw=2 filetype=c foldmethod=marker foldopen=all : */ + |