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Merge "EncodeImageInternal: fix potential leak"

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pascal massimino 2012-05-09 13:58:55 -07:00 committed by Gerrit Code Review
commit 57f696daef
1 changed files with 6 additions and 7 deletions
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13
src/enc/vp8l.c
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@ -599,6 +599,7 @@ static int EncodeImageInternal(VP8LBitWriter* const bw,
VP8LHistogramSet* histogram_image =
VP8LAllocateHistogramSet(histogram_image_xysize, 0);
int histogram_image_size = 0;
int bit_array_size = 0;
VP8LBackwardRefs refs;
uint16_t* const histogram_symbols =
(uint16_t*)malloc(histogram_image_xysize * sizeof(*histogram_symbols));
@ -619,12 +620,10 @@ static int EncodeImageInternal(VP8LBitWriter* const bw,
}
// Create Huffman bit lengths & codes for each histogram image.
histogram_image_size = histogram_image->size;
bit_lengths_sizes = (int*)calloc(5 * histogram_image_size,
sizeof(*bit_lengths_sizes));
bit_lengths = (uint8_t**)calloc(5 * histogram_image_size,
sizeof(*bit_lengths));
bit_codes = (uint16_t**)calloc(5 * histogram_image_size,
sizeof(*bit_codes));
bit_array_size = 5 * histogram_image_size;
bit_lengths_sizes = (int*)calloc(bit_array_size, sizeof(*bit_lengths_sizes));
bit_lengths = (uint8_t**)calloc(bit_array_size, sizeof(*bit_lengths));
bit_codes = (uint16_t**)calloc(bit_array_size, sizeof(*bit_codes));
if (bit_lengths_sizes == NULL || bit_lengths == NULL || bit_codes == NULL ||
!GetHuffBitLengthsAndCodes(histogram_image, use_color_cache,
bit_lengths_sizes, bit_codes, bit_lengths)) {
@ -696,7 +695,7 @@ static int EncodeImageInternal(VP8LBitWriter* const bw,
if (!ok) free(histogram_image);
VP8LClearBackwardRefs(&refs);
for (i = 0; i < 5 * histogram_image_size; ++i) {
for (i = 0; i < bit_array_size; ++i) {
free(bit_lengths[i]);
free(bit_codes[i]);
}