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lavf/webmdashenc: fix unchecked strftime

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Fix unchecked strftime return value. This patch fixes Coverity
CID 1295086.

Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Vignesh Venkatasubramanian 2015-05-14 10:32:24 -07:00 committed by Michael Niedermayer
parent 47cbcf20d6
commit b5508f74b9
1 changed files with 14 additions and 8 deletions
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22
libavformat/webmdashenc.c
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@ -88,7 +88,7 @@ static double get_duration(AVFormatContext *s)
return max / 1000;
}
static void write_header(AVFormatContext *s)
static int write_header(AVFormatContext *s)
{
WebMDashMuxContext *w = s->priv_data;
double min_buffer_time = 1.0;
@ -111,7 +111,9 @@ static void write_header(AVFormatContext *s)
struct tm gmt_buffer;
struct tm *gmt = gmtime_r(&local_time, &gmt_buffer);
char gmt_iso[21];
strftime(gmt_iso, 21, "%Y-%m-%dT%H:%M:%SZ", gmt);
if (!strftime(gmt_iso, 21, "%Y-%m-%dT%H:%M:%SZ", gmt)) {
return AVERROR_UNKNOWN;
}
if (w->debug_mode) {
av_strlcpy(gmt_iso, "", 1);
}
@ -125,6 +127,7 @@ static void write_header(AVFormatContext *s)
avio_printf(s->pb, " value=\"%s\"/>\n", w->utc_timing_url);
}
}
return 0;
}
static void write_footer(AVFormatContext *s)
@ -474,10 +477,12 @@ static int webm_dash_manifest_write_header(AVFormatContext *s)
WebMDashMuxContext *w = s->priv_data;
ret = parse_adaptation_sets(s);
if (ret < 0) {
free_adaptation_sets(s);
return ret;
goto fail;
}
ret = write_header(s);
if (ret < 0) {
goto fail;
}
write_header(s);
avio_printf(s->pb, "<Period id=\"0\"");
avio_printf(s->pb, " start=\"PT%gS\"", start);
if (!w->is_live) {
@ -488,14 +493,15 @@ static int webm_dash_manifest_write_header(AVFormatContext *s)
for (i = 0; i < w->nb_as; i++) {
ret = write_adaptation_set(s, i);
if (ret < 0) {
free_adaptation_sets(s);
return ret;
goto fail;
}
}
avio_printf(s->pb, "</Period>\n");
write_footer(s);
return 0;
fail:
free_adaptation_sets(s);
return ret < 0 ? ret : 0;
}
static int webm_dash_manifest_write_packet(AVFormatContext *s, AVPacket *pkt)