ffmpeg | branch: master | Andreas Rheinhardt <[email protected]> | Fri Oct 1 15:54:48 2021 +0200| [8766361fc16b6d25ee8be880bf55c9761490cb99] | committer: Andreas Rheinhardt
avformat/subtitles: Honour ff_subtitles_read_line() documentation It claims to always zero-terminate its buffer like snprintf(), yet it does it not on EOF. Because of this the mcc demuxer used uninitialized values when reading an empty input file. Reviewed-by: Paul B Mahol <[email protected]> Signed-off-by: Andreas Rheinhardt <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8766361fc16b6d25ee8be880bf55c9761490cb99 --- libavformat/subtitles.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavformat/subtitles.c b/libavformat/subtitles.c index c6701c6a60..3ba5e2b217 100644 --- a/libavformat/subtitles.c +++ b/libavformat/subtitles.c @@ -437,6 +437,7 @@ ptrdiff_t ff_subtitles_read_line(FFTextReader *tr, char *buf, size_t size) size_t cur = 0; if (!size) return 0; + buf[0] = '\0'; while (cur + 1 < size) { unsigned char c = ff_text_r8(tr); if (!c) _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
