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-rw-r--r--src/decoder/oggvorbis_plugin.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/decoder/oggvorbis_plugin.c b/src/decoder/oggvorbis_plugin.c
index 0b8542f07..60ad0d07c 100644
--- a/src/decoder/oggvorbis_plugin.c
+++ b/src/decoder/oggvorbis_plugin.c
@@ -37,6 +37,8 @@
#endif /* HAVE_TREMOR */
#include <glib.h>
+
+#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
@@ -140,11 +142,13 @@ static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
static const char *VORBIS_COMMENT_DISC_KEY = "discnumber";
static bool
-vorbis_parse_comment(char *comment, enum tag_type tag_type,
- struct tag ** tag)
+vorbis_parse_comment(struct tag *tag, char *comment, enum tag_type tag_type)
{
const char *needle;
unsigned int len;
+
+ assert(tag != NULL);
+
switch (tag_type) {
case TAG_ITEM_TRACK:
needle = VORBIS_COMMENT_TRACK_KEY;
@@ -158,10 +162,7 @@ vorbis_parse_comment(char *comment, enum tag_type tag_type,
len = strlen(needle);
if (strncasecmp(comment, needle, len) == 0 && *(comment + len) == '=') {
- if (!*tag)
- *tag = tag_new();
-
- tag_add_item(*tag, tag_type, comment + len + 1);
+ tag_add_item(tag, tag_type, comment + len + 1);
return true;
}
@@ -172,17 +173,22 @@ vorbis_parse_comment(char *comment, enum tag_type tag_type,
static struct tag *
vorbis_comments_to_tag(char **comments)
{
- struct tag *tag = NULL;
+ struct tag *tag = tag_new();
while (*comments) {
int j;
for (j = TAG_NUM_OF_ITEM_TYPES; --j >= 0;) {
- if (vorbis_parse_comment(*comments, j, &tag))
+ if (vorbis_parse_comment(tag, *comments, j))
break;
}
comments++;
}
+ if (tag_is_empty(tag)) {
+ tag_free(tag);
+ tag = NULL;
+ }
+
return tag;
}