ffmpeg_opt: Check for localtime() failure

Found-by: Daemon404 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2015-06-12 15:36:20 +02:00 · 2015-06-12 15:36:20 +02:00 · 8e91d9652e
commit 8e91d9652e
parent 80b5a1e2ee
1 changed files with 3 additions and 0 deletions
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@ -2438,6 +2438,9 @@ static int opt_vstats(void *optctx, const char *opt, const char *arg)
    time_t today2 = time(NULL);
    struct tm *today = localtime(&today2);

+    if (!today)
+        return AVERROR(errno);
+
    snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
             today->tm_sec);
    return opt_vstats_file(NULL, opt, filename);