Commit 73abde61 authored by Carl Eugen Hoyos's avatar Carl Eugen Hoyos

lavf/matroskadec: Do not use strncat() to limit copying a one-char constant.

Instead add the character to the snprintf above as suggested by Mark.

Silences a warning:
libavformat/matroskadec.c: In function 'webm_dash_manifest_cues':
libavformat/matroskadec.c:3947:13: warning: 'strncat' specified bound 1 equals source length [-Wstringop-overflow=]
             strncat(buf, ",", 1);
             ^~~~~~~~~~~~~~~~~~~~
parent 03beac5b
......@@ -3936,17 +3936,14 @@ static int webm_dash_manifest_cues(AVFormatContext *s, int64_t init_range)
strcpy(buf, "");
for (i = 0; i < s->streams[0]->nb_index_entries; i++) {
int ret = snprintf(buf + end, 20,
"%" PRId64, s->streams[0]->index_entries[i].timestamp);
"%" PRId64"%s", s->streams[0]->index_entries[i].timestamp,
i != s->streams[0]->nb_index_entries - 1 ? "," : "");
if (ret <= 0 || (ret == 20 && i == s->streams[0]->nb_index_entries - 1)) {
av_log(s, AV_LOG_ERROR, "timestamp too long.\n");
av_free(buf);
return AVERROR_INVALIDDATA;
}
end += ret;
if (i != s->streams[0]->nb_index_entries - 1) {
strncat(buf, ",", 1);
end++;
}
}
av_dict_set(&s->streams[0]->metadata, CUE_TIMESTAMPS, buf, 0);
av_free(buf);
......
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