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include: Assert that "count * size" does not overflow in vkd3d_calloc().

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This commit is contained in:
Józef Kucia 2016-10-24 13:20:09 +02:00
parent bc1c2bcadf
commit ed50a4e7f5
1 changed files with 2 additions and 0 deletions
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2
include/private/vkd3d_memory.h
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@ -23,6 +23,7 @@
#ifndef __VKD3D_MEMORY_H #ifndef __VKD3D_MEMORY_H
#define __VKD3D_MEMORY_H #define __VKD3D_MEMORY_H
#include <assert.h>
#include "vkd3d_debug.h" #include "vkd3d_debug.h"
static inline void *vkd3d_malloc(size_t size) static inline void *vkd3d_malloc(size_t size)
@ -43,6 +44,7 @@ static inline void *vkd3d_realloc(void *ptr, size_t size)
static inline void *vkd3d_calloc(size_t count, size_t size) static inline void *vkd3d_calloc(size_t count, size_t size)
{ {
void *ptr; void *ptr;
assert(count <= ~(size_t)0 / size);
if (!(ptr = calloc(count, size))) if (!(ptr = calloc(count, size)))
ERR("Out of memory.\n"); ERR("Out of memory.\n");
return ptr; return ptr;