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authorMichael Niedermayer <michaelni@gmx.at>2012-10-15 16:02:14 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-10-24 15:42:00 +0200
commit8a34b85fa8ded31d9f0572f902c2bcbf3a2e0b74 (patch)
tree3814cfe9f620ae37830aab0074be49094598b9ab /libavformat/aviobuf.c
parenta3fb3a670e8c4db6d6a3db9139245189ae55e289 (diff)
downloadffmpeg-8a34b85fa8ded31d9f0572f902c2bcbf3a2e0b74.tar.gz
avio: detect implicit truncation by assert in avio_w*
This check is somewhat more lenient as would be ideal because we dont know if the input is signed or unsigned Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/aviobuf.c')
-rw-r--r--libavformat/aviobuf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 3748818ad5..906415dbac 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -144,6 +144,7 @@ static void flush_buffer(AVIOContext *s)
void avio_w8(AVIOContext *s, int b)
{
+ av_assert2(b>=-128 && b<=255);
*s->buf_ptr++ = b;
if (s->buf_ptr >= s->buf_end)
flush_buffer(s);