tag.c: fix segfault on failed id3v1 character conversion

convStrDup() returns NULL if character conversion fails,
so make sure we check the return values and drop the
tag if we can't get a conversion.

This should close bug 1313:
http://musicpd.org/mantis/view.php?id=1313

git-svn-id: https://svn.musicpd.org/mpd/trunk@4641 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Eric Wong 2006-08-15 00:04:34 +00:00
parent e5df85db15
commit c2e1ccd968

View File

@ -27,6 +27,7 @@
#include "charConv.h"
#include "tagTracker.h"
#include "mpd_types.h"
#include "gcc.h"
#include <sys/stat.h>
#include <stdlib.h>
@ -168,8 +169,17 @@ MpdTag *getID3Info(struct id3_tag *tag, char *id, int type, MpdTag * mpdTag)
setCharSetConversion("ISO-8859-1", "UTF-8");
isostr = convStrDup((char *)utf8);
free(utf8);
if (mpd_unlikely(!isostr))
continue;
setCharSetConversion("UTF-8", encoding);
utf8 = (id3_utf8_t *)convStrDup(isostr);
if (!utf8) {
DEBUG("Unable to convert %s string to "
"UTF-8: '%s'\n",
encoding, isostr);
free(isostr);
continue;
}
free(isostr);
}
}