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.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
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)
--
2.30.2
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
