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targa: prevent integer overflow in bufsize check.

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(cherry picked from commit 78e2380a6d)
This commit is contained in:
Ronald S. Bultje 2011-02-21 13:44:37 -05:00 committed by Michael Niedermayer
parent d4e321d9c2
commit e48fe14a54
1 changed files with 1 additions and 1 deletions
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libavcodec/targa.c
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@ -34,7 +34,7 @@ typedef struct TargaContext {
} TargaContext;
#define CHECK_BUFFER_SIZE(buf, buf_end, needed, where) \
if(buf + needed > buf_end){ \
if(needed > buf_end - buf){ \
av_log(avctx, AV_LOG_ERROR, "Problem: unexpected end of data while reading " where "\n"); \
return -1; \
} \