From: Maria Matejka <mq@ucw.cz>
Date: Thu, 21 Mar 2024 22:37:04 +0000 (+0100)
Subject: Typed list: macro for list length
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76e43b405fa605f58046ea64e426b599f5fd0ae3;p=thirdparty%2Fbird.git

Typed list: macro for list length
---

diff --git a/lib/tlists.h b/lib/tlists.h
index 70b8eb3f4..96172ad6c 100644
--- a/lib/tlists.h
+++ b/lib/tlists.h
@@ -231,5 +231,8 @@ static inline void TLIST_NAME(rem_node)(TLIST_LIST_STRUCT *list, TLIST_TYPE *nod
 /* Empty check */
 #define EMPTY_TLIST(_name, _list) (!(_list)->first)
 
+/* List length */
+#define TLIST_LENGTH(_name, _list)  ({ uint _len = 0; WALK_TLIST(_name, _, _list) _len++; _len; })
+
 #endif