[FFmpeg-cvslog] avformat/matroskadec: Check the return code from strftime()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Oct 26 15:51:58 2014 +0100| [f0390638e0e13436629e0297b1aa5bbc058cda2f] | committer: Michael Niedermayer

avformat/matroskadec: Check the return code from strftime()

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f0390638e0e13436629e0297b1aa5bbc058cda2f
---

 libavformat/matroskadec.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index e957117..100e697 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1509,8 +1509,8 @@ static void matroska_metadata_creation_time(AVDictionary **metadata, int64_t dat
     time_t creation_time = date_utc / 1000000000 + 978307200;
     struct tm *ptm = gmtime(&creation_time);
     if (!ptm) return;
-    strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", ptm);
-    av_dict_set(metadata, "creation_time", buffer, 0);
+    if (strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", ptm))
+        av_dict_set(metadata, "creation_time", buffer, 0);
 }
 
 static int matroska_parse_flac(AVFormatContext *s,