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authorMax Kellermann <max@duempel.org>2008-11-04 16:55:11 +0100
committerMax Kellermann <max@duempel.org>2008-11-04 16:55:11 +0100
commite26bff9b92b78999aadf80afa6c674c30d6d7be1 (patch)
treefb4148df416fcdcafff937f062b35b90fd2071ff
parentd7b2d93ccc6ee435b41d28f8e31eeeacb3cad58f (diff)
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tag: added tag_is_empty()
-rw-r--r--src/tag.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/tag.h b/src/tag.h
index 899768e2b..c1c7d7e9a 100644
--- a/src/tag.h
+++ b/src/tag.h
@@ -90,6 +90,16 @@ static inline void tag_add_item(struct tag *tag, enum tag_type itemType,
struct tag *tag_dup(const struct tag *tag);
/**
+ * Returns true if the tag contains no items. This ignores the "time"
+ * attribute.
+ */
+static inline bool
+tag_is_empty(const struct tag *tag)
+{
+ return tag->numOfItems == 0;
+}
+
+/**
* Checks whether the tag contains one or more items with
* the specified type.
*/