tag: added tag_get_value()

2 files changed, 16 insertions, 3 deletions

diff --git a/src/tag.c b/src/tag.c
index 285afe84c..edef3aedd 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -365,16 +365,22 @@ tag_merge(const struct tag *base, const struct tag *add)
 	return ret;
 }
 
-bool tag_has_type(const struct tag *tag, enum tag_type type)
+const char *
+tag_get_value(const struct tag *tag, enum tag_type type)
 {
 	assert(tag != NULL);
 	assert(type < TAG_NUM_OF_ITEM_TYPES);
 
 	for (unsigned i = 0; i < tag->numOfItems; i++)
 		if (tag->items[i]->type == type)
-			return true;
+			return tag->items[i]->value;
+
+	return NULL;
+}
 
-	return false;
+bool tag_has_type(const struct tag *tag, enum tag_type type)
+{
+	return tag_get_value(tag, type) != NULL;
 }
 
 int tag_equal(const struct tag *tag1, const struct tag *tag2)
diff --git a/src/tag.h b/src/tag.h
index a37408819..2347801e3 100644
--- a/src/tag.h
+++ b/src/tag.h
@@ -110,6 +110,13 @@ tag_is_empty(const struct tag *tag)
 }
 
 /**
+ * Returns the first value of the specified tag type, or NULL if none
+ * is present in this tag object.
+ */
+const char *
+tag_get_value(const struct tag *tag, enum tag_type type);
+
+/**
  * Checks whether the tag contains one or more items with
  * the specified type.
  */