From 1099d0cc08b7e8e5dc3486d27273975c4ea6def1 Mon Sep 17 00:00:00 2001 From: Daniel Kang Date: Tue, 4 Jan 2011 23:35:36 -0500 Subject: [PATCH] Add sanity check before using strftime --- libavformat/mov.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 9788e41..88ef761 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -592,7 +592,9 @@ static void mov_metadata_creation_time(AVMetadata **metadata, time_t time) char buffer[32]; if (time) { time -= 2082844800; /* seconds between 1904-01-01 and Epoch */ - strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", gmtime(&time)); + struct tm * ptm = gmtime(&time); + if (ptm == NULL) return; + strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", ptm); av_metadata_set2(metadata, "creation_time", buffer, 0); } } -- 1.7.2.2