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Do not divide by zero.

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git-svn-id: file:///svn/unbound/trunk@3374 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2015-03-20 16:03:14 +00:00
parent 383e32f02f
commit cd2e99dafd
1 changed files with 2 additions and 2 deletions
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4
util/alloc.c
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@ -369,7 +369,7 @@ void *unbound_stat_calloc(size_t nmemb, size_t size)
{ {
size_t s; size_t s;
void* res; void* res;
if(INT_MAX/nmemb < size) if(nmemb != 0 && INT_MAX/nmemb < size)
return NULL; /* integer overflow check */ return NULL; /* integer overflow check */
s = (nmemb*size==0)?(size_t)1:nmemb*size; s = (nmemb*size==0)?(size_t)1:nmemb*size;
res = calloc(1, s+16); res = calloc(1, s+16);
@ -509,7 +509,7 @@ void *unbound_stat_calloc_lite(size_t nmemb, size_t size, const char* file,
{ {
size_t req; size_t req;
void* res; void* res;
if(INT_MAX/nmemb < size) if(nmemb != 0 && INT_MAX/nmemb < size)
return NULL; /* integer overflow check */ return NULL; /* integer overflow check */
req = nmemb * size; req = nmemb * size;
res = malloc(req+lite_pad*2+sizeof(size_t)); res = malloc(req+lite_pad*2+sizeof(size_t));