id3v2: check for enough space to write full UTF-8 characters.

patch by Anton Khirnov, wyskas gmail com

Originally committed as revision 20004 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Anton Khirnov 2009-09-23 18:04:40 +00:00 committed by Diego Biurrun
parent c31afa5d24
commit 787f8fad00
1 changed files with 2 additions and 2 deletions

View File

@ -92,9 +92,9 @@ static void read_ttag(AVFormatContext *s, int taglen, const char *key)
case 0: /* ISO-8859-1 (0 - 255 maps directly into unicode) */
q = dst;
while (taglen--) {
while (taglen-- && q - dst < dstlen - 7) {
uint8_t tmp;
PUT_UTF8(get_byte(s->pb), tmp, if (q - dst < dstlen - 1) *q++ = tmp;)
PUT_UTF8(get_byte(s->pb), tmp, *q++ = tmp;)
}
*q = '\0';
break;