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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-08-30 23:14:32 +0200 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2013-11-28 15:37:55 +0100 |
| commit | d1916d13e28b87f4b1b214231149e12e1d536b4b (patch) | |
| tree | 23f0efa687daffcd9376e6fd7f11b089869b708d /libavcodec/pngdsp.c | |
| parent | 0673ede985a6560e7efb86dab1c58fb7f95ce587 (diff) | |
| download | ffmpeg-streaming-d1916d13e28b87f4b1b214231149e12e1d536b4b.zip ffmpeg-streaming-d1916d13e28b87f4b1b214231149e12e1d536b4b.tar.gz | |
dsputil/pngdsp: fix signed/unsigned type in end comparison
Fixes out of array accesses and integer overflows.
Diffstat (limited to 'libavcodec/pngdsp.c')
| -rw-r--r-- | libavcodec/pngdsp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pngdsp.c b/libavcodec/pngdsp.c index afd9093..5cc41c4 100644 --- a/libavcodec/pngdsp.c +++ b/libavcodec/pngdsp.c @@ -31,7 +31,7 @@ static void add_bytes_l2_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w) { long i; - for (i = 0; i <= w - sizeof(long); i += sizeof(long)) { + for (i = 0; i <= w - (int)sizeof(long); i += sizeof(long)) { long a = *(long *)(src1 + i); long b = *(long *)(src2 + i); *(long *)(dst + i) = ((a & pb_7f) + (b & pb_7f)) ^ ((a ^ b) & pb_80); |
