Avoid writing the trailing NUL byte for id3v1 tags if length reaches max length.
Based on an idea by: Michael Niedermayer <michae...@gmx.at>
---
libavformat/mp3enc.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavformat/mp3enc.c b/libavformat/mp3enc.c
index fac39d9..4bd2eed 100644
--- a/libavformat/mp3enc.c
+++ b/libavformat/mp3enc.c
@@ -37,8 +37,10 @@ static int id3v1_set_string(AVFormatContext *s, const char
*key,
uint8_t *buf, int buf_size)
{
AVDictionaryEntry *tag;
- if ((tag = av_dict_get(s->metadata, key, NULL, 0)))
- av_strlcpy(buf, tag->value, buf_size);
+ if ((tag = av_dict_get(s->metadata, key, NULL, 0))) {
+ buf_size = FFMIN(buf_size, strlen(tag->value));
+ memcpy(buf, tag->value, buf_size);
+ }
return !!tag;
}
--
1.7.7.3
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