64 lines
2.6 KiB
C
64 lines
2.6 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2013 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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/* If this is not the vax, define string.h. This is because the Vax
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has its own built-in instructions for string manipulation.
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*/
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#ifndef GTM_STRINGH
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#define GTM_STRINGH
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#include <string.h>
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#define STRERROR strerror
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#define STRCPY(DEST, SOURCE) strcpy((char *)(DEST), (char *)(SOURCE))
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#define STRNCPY_LIT(DEST, LITERAL) strncpy((char *)(DEST), (char *)(LITERAL), SIZEOF(LITERAL) - 1) /* BYPASSOK */
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#define STRNCPY_STR(DEST, STRING, LEN) strncpy((char *)(DEST), (char *)(STRING), LEN)
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#define STRCMP(SOURCE, DEST) strcmp((char *)(SOURCE), (char *)(DEST))
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#define STRNCMP_LIT(SOURCE, LITERAL) strncmp(SOURCE, LITERAL, SIZEOF(LITERAL) - 1) /* BYPASSOK */
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/* Make sure that SIZEOF(SOURCE) > 0 or SOURCE != NULL before running. */
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#define STRNCMP_LIT_FULL(SOURCE, LITERAL) strncmp(SOURCE, LITERAL, SIZEOF(LITERAL)) /* BYPASSOK */
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#define STRNCMP_STR(SOURCE, STRING, LEN) strncmp(SOURCE, STRING, LEN)
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/* We need to catch any memcpy() that is used when the source and target strings overlap in any fashion so we can change
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* them to a memmove. So in debug builds, assert fail if this is the case.
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*/
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#if defined(DEBUG) && !defined(BYPASS_MEMCPY_OVERRIDE)
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# include "gtm_memcpy_validate_and_execute.h"
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# ifdef memcpy
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# undef memcpy /* Some platforms like AIX create memcpy as a #define which needs removing before re-define */
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# endif
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# define memcpy(TARGET, SRC, LEN) gtm_memcpy_validate_and_execute((void *)(TARGET), (const void *)(SRC), (LEN))
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#endif
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/* The strnlen() function is POSIX-2008 so not widely avaiable yet so use it or our own critter as appropriate */
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#if (defined(__linux__) || defined(AIX))
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# define STRNLEN(str, maxlen, rslt) rslt = strnlen(str, maxlen)
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#else
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# define STRNLEN(str, maxlen, rslt) \
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{ \
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unsigned char *c, *cend; \
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\
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for (c = (unsigned char *)str, cend = c + maxlen; c < cend; ++c) \
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if ('\0' == *c) \
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break; \
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rslt = c - (unsigned char *)str; \
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}
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#endif
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#define STRNDUP(STR, MAXLEN, DST) \
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{ \
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size_t local_len; \
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\
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STRNLEN(STR, MAXLEN, local_len); \
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DST = (char *) malloc(local_len + 1); \
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memcpy(DST, STR, local_len); \
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DST[local_len] = '\0'; \
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}
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#endif
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