From ad6946b8189e5e17796f1d5bf86d97ee619009b8 Mon Sep 17 00:00:00 2001 From: Steven Liu Date: Mon, 4 Dec 2017 12:05:04 +0800 Subject: [PATCH] avformat/hlsplaylist: add return value check of strftime fix CID: 1424884 Signed-off-by: Steven Liu --- libavformat/hlsplaylist.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavformat/hlsplaylist.c b/libavformat/hlsplaylist.c index 96a8afbe1d..3349eb7ee3 100644 --- a/libavformat/hlsplaylist.c +++ b/libavformat/hlsplaylist.c @@ -109,7 +109,10 @@ int ff_hls_write_file_entry(AVIOContext *out, int insert_discont, tt = (int64_t)*prog_date_time; milli = av_clip(lrint(1000*(*prog_date_time - tt)), 0, 999); tm = localtime_r(&tt, &tmpbuf); - strftime(buf0, sizeof(buf0), "%Y-%m-%dT%H:%M:%S", tm); + if (!strftime(buf0, sizeof(buf0), "%Y-%m-%dT%H:%M:%S", tm)) { + av_log(NULL, AV_LOG_DEBUG, "strftime error in ff_hls_write_file_entry\n"); + return AVERROR_UNKNOWN; + } if (!strftime(buf1, sizeof(buf1), "%z", tm) || buf1[1]<'0' ||buf1[1]>'2') { int tz_min, dst = tm->tm_isdst; tm = gmtime_r(&tt, &tmpbuf);