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| author | Mans Rullgard <mans@mansr.com> | 2011-10-08 01:59:51 +0100 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2012-03-18 17:50:35 +0100 |
| commit | 5e3ba60e6f6a949e030d479cb4bcd8dd63b76a5d (patch) | |
| tree | f87796ba6b32bc049953daeee6573d1bcbcd689c | |
| parent | 48f9a800722736c9fd1ed37562a8760417f8f221 (diff) | |
| download | ffmpeg-5e3ba60e6f6a949e030d479cb4bcd8dd63b76a5d.tar.gz | |
crc: fix signed overflow
This fixes a signed overflow from i << 24 when i == 255 by
making i unsigned. The result of the shift is already
assigned to an variable of unsigned type.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 8b19ae07616bbd18969b94cbf5d74308a8f2bbdf)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
| -rw-r--r-- | libavutil/crc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/crc.c b/libavutil/crc.c index 6c9f92809f..44719ffaee 100644 --- a/libavutil/crc.c +++ b/libavutil/crc.c @@ -57,7 +57,7 @@ static AVCRC av_crc_table[AV_CRC_MAX][257]; * @return <0 on failure */ int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size){ - int i, j; + unsigned i, j; uint32_t c; if (bits < 8 || bits > 32 || poly >= (1LL<<bits)) |