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anm: prevent infinite loop

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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
(cherry picked from commit 2475f1a83ccf313d828b25f1769e3a37442ecf64)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Laurent Aimar 2011-09-30 23:42:32 +00:00 committed by Reinhard Tartler
parent 7fa13e12e6
commit 39fed2e95b
1 changed files with 2 additions and 0 deletions
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2
libavcodec/anm.c
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@ -81,6 +81,8 @@ static inline int op(uint8_t **dst, const uint8_t *dst_end,
int striplen = FFMIN(count, remaining);
if (buf) {
striplen = FFMIN(striplen, buf_end - *buf);
if (*buf >= buf_end)
goto exhausted;
memcpy(*dst, *buf, striplen);
*buf += striplen;
} else if (pixel >= 0)