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avoid crash when OOM on mem_(calloc|realloc|strndup) 

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@112 c26eb9a1-5813-0410-bd6c-c2e55f420ca7
1.1
Xuefer 2006-08-29 11:11:42 +00:00
parent d70377b00a
commit 745a9ed1b2
1 changed files with 10 additions and 4 deletions
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14
mem.c
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@ -241,22 +241,28 @@ void *xc_mem_calloc(xc_mem_t *mem, xc_memsize_t memb, xc_memsize_t size) /* {{{
xc_memsize_t realsize = memb * size;
void *p = xc_mem_malloc(mem, realsize);
memset(p, 0, realsize);
if (p) {
memset(p, 0, realsize);
}
return p;
}
/* }}} */
void *xc_mem_realloc(xc_mem_t *mem, const void *p, xc_memsize_t size) /* {{{ */
{
void *newp = xc_mem_malloc(mem, size);
memcpy(newp, p, size);
xc_mem_free(mem, p);
if (p) {
memcpy(newp, p, size);
xc_mem_free(mem, p);
}
return newp;
}
/* }}} */
char *xc_mem_strndup(xc_mem_t *mem, const char *str, xc_memsize_t len) /* {{{ */
{
void *p = xc_mem_malloc(mem, len + 1);
memcpy(p, str, len + 1);
if (p) {
memcpy(p, str, len + 1);
}
return p;
}
/* }}} */