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avformat/wavenc: check return value of strftime() 

Fixes CID1257006

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-09 16:10:55 +01:00
parent 92d47e2aa3
commit 308429e124
1 changed files with 12 additions and 5 deletions
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17
libavformat/wavenc.c
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@ -252,7 +252,7 @@ static void peak_write_frame(AVFormatContext *s)
wav->peak_num_frames++;
}
static void peak_write_chunk(AVFormatContext *s)
static int peak_write_chunk(AVFormatContext *s)
{
WAVMuxContext *wav = s->priv_data;
AVIOContext *pb = s->pb;
@ -272,8 +272,12 @@ static void peak_write_chunk(AVFormatContext *s)
av_log(s, AV_LOG_INFO, "Writing local time and date to Peak Envelope Chunk\n");
now0 = av_gettime();
now_secs = now0 / 1000000;
strftime(timestamp, sizeof(timestamp), "%Y:%m:%d:%H:%M:%S:", localtime_r(&now_secs, &tmpbuf));
av_strlcatf(timestamp, sizeof(timestamp), "%03d", (int)((now0 / 1000) % 1000));
if (strftime(timestamp, sizeof(timestamp), "%Y:%m:%d:%H:%M:%S:", localtime_r(&now_secs, &tmpbuf))) {
av_strlcatf(timestamp, sizeof(timestamp), "%03d", (int)((now0 / 1000) % 1000));
} else {
av_log(s, AV_LOG_ERROR, "Failed to write timestamp\n");
return -1;
}
}
avio_wl32(pb, 1); /* version */
@ -293,6 +297,8 @@ static void peak_write_chunk(AVFormatContext *s)
if (!wav->data)
wav->data = peak;
return 0;
}
static int wav_write_header(AVFormatContext *s)
@ -414,6 +420,7 @@ static int wav_write_trailer(AVFormatContext *s)
int64_t file_size, data_size;
int64_t number_of_samples = 0;
int rf64 = 0;
int ret = 0;
avio_flush(pb);
@ -424,7 +431,7 @@ static int wav_write_trailer(AVFormatContext *s)
}
if (wav->write_peak && wav->peak_output) {
peak_write_chunk(s);
ret = peak_write_chunk(s);
avio_flush(pb);
}
@ -485,7 +492,7 @@ static int wav_write_trailer(AVFormatContext *s)
if (wav->write_peak)
peak_free_buffers(s);
return 0;
return ret;
}
#define OFFSET(x) offsetof(WAVMuxContext, x)