notmuch: New function to retrieve all tags from the database.

[notmuch] / lib / notmuch.h

diff --git a/lib/notmuch.h b/lib/notmuch.h
index 8bba442f62b3505a8c68d7b6a03a388daca44a7c..c05e802d584e798d9a78c9802bb0b8b8f7e4acb9 100644 (file)
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -280,6 +280,16 @@ notmuch_message_t *
 notmuch_database_find_message (notmuch_database_t *database,
                               const char *message_id);
 
+/* Return a list of all tags found in the database.
+ *
+ * This function creates a list of all tags found in the database. The
+ * resulting list contains all tags from all messages found in the database.
+ *
+ * On error this function returns NULL.
+ */
+notmuch_tags_t *
+notmuch_database_get_all_tags (notmuch_database_t *db);
+
 /* Create a new query for 'database'.
  *
  * Here, 'database' should be an open database, (see