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harness some malloc/calloc to use WebPSafeMalloc and WebPSafeCalloc

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quite a large security sweep.

Change-Id: If150dfbb46e6e9b56210473a109c8ad6ccd0cea4
This commit is contained in:
Pascal Massimino
2012-08-01 12:06:04 -07:00
parent a3c063c714
commit bff34ac1ca
15 changed files with 108 additions and 98 deletions
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18
src/enc/webpenc.c
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@@ -16,6 +16,7 @@
#include "./vp8enci.h"
#include "./vp8li.h"
#include "../utils/utils.h"
// #define PRINT_MEMORY_INFO
@@ -164,13 +165,14 @@ static VP8Encoder* InitVP8Encoder(const WebPConfig* const config,
config->autofilter ? sizeof(LFStats) + ALIGN_CST : 0;
VP8Encoder* enc;
uint8_t* mem;
size_t size = sizeof(VP8Encoder) + ALIGN_CST // main struct
+ cache_size // working caches
+ info_size // modes info
+ preds_size // prediction modes
+ samples_size // top/left samples
+ nz_size // coeff context bits
+ lf_stats_size; // autofilter stats
const uint64_t size = (uint64_t)sizeof(VP8Encoder) // main struct
+ ALIGN_CST // cache alignment
+ cache_size // working caches
+ info_size // modes info
+ preds_size // prediction modes
+ samples_size // top/left samples
+ nz_size // coeff context bits
+ lf_stats_size; // autofilter stats
#ifdef PRINT_MEMORY_INFO
printf("===================================\n");
@@ -198,7 +200,7 @@ static VP8Encoder* InitVP8Encoder(const WebPConfig* const config,
mb_w * mb_h * 384 * sizeof(uint8_t));
printf("===================================\n");
#endif
mem = (uint8_t*)malloc(size);
mem = (uint8_t*)WebPSafeMalloc(size, sizeof(*mem));
if (mem == NULL) {
WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);
return NULL;