[FFmpeg-cvslog] lavf: don't segfault when a NULL filename is passed to avformat_open_input( )
Anton Khirnov
git at videolan.org
Sat Jun 16 23:25:53 CEST 2012
ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Fri Jun 15 19:58:11 2012 +0200| [a5db8e4a1a5449cc7a61e963c9fa698a4f22131b] | committer: Anton Khirnov
lavf: don't segfault when a NULL filename is passed to avformat_open_input()
This can easily happen when the caller is using a custom AVIOContext.
Behave as if the filename was an empty string in this case.
CC: libav-stable at libav.org
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a5db8e4a1a5449cc7a61e963c9fa698a4f22131b
---
libavformat/utils.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index d7ba5a7..5450dc4 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -557,7 +557,7 @@ int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputForma
}
s->duration = s->start_time = AV_NOPTS_VALUE;
- av_strlcpy(s->filename, filename, sizeof(s->filename));
+ av_strlcpy(s->filename, filename ? filename : "", sizeof(s->filename));
/* allocate private data */
if (s->iformat->priv_data_size > 0) {
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