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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-08-30 23:14:32 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-08-30 23:22:18 +0200 |
| commit | 86736f59d6a527d8bc807d09b93f971c0fe0bb07 (patch) | |
| tree | 5715e2c3779a9e0d79f9f26d08d1cf304dab6f5e | |
| parent | 0b46d6f3efa7c647a42d3e77d09c274f611b752b (diff) | |
| download | ffmpeg-86736f59d6a527d8bc807d09b93f971c0fe0bb07.tar.gz | |
avcodec/pngdsp: fix (un)signed type in end comparission
Fixes out of array accesses
Fixes Ticket2919
Found_by: ami_stuff
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -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 0d247759cc..5ab1c351b2 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); |