Change CHECK_STREAM_PTR macro to correctly handle the (extremely unlikely)

overflow case.

Originally committed as revision 18224 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-03-29 17:50:46 +00:00
parent 3017d8e9d7
commit a1f6ffd44d
1 changed files with 1 additions and 1 deletions

View File

@ -76,7 +76,7 @@ typedef struct IpvideoContext {
} IpvideoContext;
#define CHECK_STREAM_PTR(n) \
if ((s->stream_ptr + n) > s->stream_end) { \
if (s->stream_end - s->stream_ptr < n) { \
av_log(s->avctx, AV_LOG_ERROR, "Interplay video warning: stream_ptr out of bounds (%p >= %p)\n", \
s->stream_ptr + n, s->stream_end); \
return -1; \