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Code Issues Releases Wiki Activity

helpers: Implement strndup() for MinGW

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Provide strndup implementation if compiled with MinGW because
it is a POSIX only method

Signed-off-by: Miklós Márton <martonmiklosqdev@gmail.com>
Change-Id: If418080bffff1f5961cacf2a300ea9c666682458
Reviewed-on: https://review.coreboot.org/c/flashrom/+/34621
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Miklós Márton 2019-07-30 00:03:22 +02:00 committed by Nico Huber
parent 7d6b526ef5
commit 8900d6c8e1
2 changed files with 15 additions and 0 deletions
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1
flash.h
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@ -314,6 +314,7 @@ uint8_t reverse_byte(uint8_t x);
void reverse_bytes(uint8_t *dst, const uint8_t *src, size_t length);
#ifdef __MINGW32__
char* strtok_r(char *str, const char *delim, char **nextp);
char *strndup(const char *str, size_t size);
#endif
#if defined(__DJGPP__) || (!defined(__LIBPAYLOAD__) && !defined(HAVE_STRNLEN))
size_t strnlen(const char *str, size_t n);

14
helpers.c
View File

@ -102,6 +102,20 @@ char* strtok_r(char *str, const char *delim, char **nextp)
*nextp = str;
return ret;
}
/* strndup is a POSIX function not present in MinGW */
char *strndup(const char *src, size_t maxlen)
{
if (strlen(src) > maxlen) {
char *retbuf;
if ((retbuf = malloc(1 + maxlen)) != NULL) {
memcpy(retbuf, src, maxlen);
retbuf[maxlen] = '\0';
}
return retbuf;
}
return strdup(src);
}
#endif
/* There is no strnlen in DJGPP */