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Add erealloc() function to mem.h, mem.c

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This commit is contained in:
Andrew Bettison 2013-04-30 17:26:27 +09:30
parent deed4665fe
commit 94c6562ee1
2 changed files with 21 additions and 4 deletions
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10
mem.c
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@ -30,6 +30,16 @@ void *_emalloc(struct __sourceloc __whence, size_t bytes)
return new;
}
void *_erealloc(struct __sourceloc __whence, void *ptr, size_t bytes)
{
char *new = realloc(ptr, bytes);
if (!new) {
WHYF_perror("realloc(%p, %lu)", ptr, (unsigned long)bytes);
return NULL;
}
return new;
}
void *_emalloc_zero(struct __sourceloc __whence, size_t bytes)
{
char *new = _emalloc(__whence, bytes);

7
mem.h
View File

@ -40,6 +40,12 @@ void _serval_debug_free(void *p, struct __sourceloc whence);
*/
void *_emalloc(struct __sourceloc, size_t bytes);
/* Equivalent to realloc(3), but logs an error before returning NULL.
*
* @author Andrew Bettison <andrew@servalproject.com>
*/
void *_erealloc(struct __sourceloc __whence, void *ptr, size_t bytes);
/* Equivalent to malloc(3) followed by memset(3) to zerofill, but logs an error
* before returning NULL.
*
@ -58,6 +64,7 @@ char *_str_edup(struct __sourceloc, const char *str);
char *_strn_edup(struct __sourceloc, const char *str, size_t len);
#define emalloc(bytes) _emalloc(__HERE__, (bytes))
#define erealloc(ptr, bytes) _erealloc(__HERE__, (ptr), (bytes))
#define emalloc_zero(bytes) _emalloc_zero(__HERE__, (bytes))
#define str_edup(str) _str_edup(__HERE__, (str))
#define strn_edup(str, len) _strn_edup(__HERE__, (str), (len))