tag: added tag_is_empty()

This commit is contained in:
Max Kellermann 2008-11-04 16:55:11 +01:00
parent d7b2d93ccc
commit e26bff9b92

View File

@ -89,6 +89,16 @@ 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.