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lavf/webm_chunk: Respect buffer size

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The last argument of av_strlcpy is supposed to contain the size of the
destination buffer, but it was filled with the size of the source
string, effectively negating its very purpose.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 73ef1f47f59333328264a968c8fbbcfb0bf0643f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Andreas Rheinhardt 2019-04-20 00:03:14 +02:00 committed by Michael Niedermayer
parent 9bb9aa9085
commit 2df8814ae7
1 changed files with 1 additions and 1 deletions
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libavformat/webm_chunk.c
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@ -93,7 +93,7 @@ static int get_chunk_filename(AVFormatContext *s, int is_header, char *filename)
if (!wc->header_filename) {
return AVERROR(EINVAL);
}
av_strlcpy(filename, wc->header_filename, strlen(wc->header_filename) + 1);
av_strlcpy(filename, wc->header_filename, MAX_FILENAME_SIZE);
} else {
if (av_get_frame_filename(filename, MAX_FILENAME_SIZE,
s->filename, wc->chunk_index - 1) < 0) {