X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Flist%2Flist.h;h=e1f07a0e043ae7f460d2650e2acdf39d468ab5aa;hp=58c0a97c43246185e2dcb17adb103a922f19e277;hb=0c492447b997ad50c289314a7ba41cca6bcc1c3c;hpb=44c480c492c4596801261d748c5e3339c30f1f7e

diff --git a/ccan/list/list.h b/ccan/list/list.h
index 58c0a97c..e1f07a0e 100644
--- a/ccan/list/list.h
+++ b/ccan/list/list.h
@@ -198,15 +198,22 @@ static inline bool list_empty(struct list_head *h)
  *	first = list_top(&parent->children, struct child, list);
  */
 #define list_top(h, type, member) \
-	list_entry(_list_top(h), type, member)	
+	(list_empty(h) ? NULL : list_entry((h)->n.next, type, member))
 
-static inline struct list_node *_list_top(struct list_head *h)
-{
-	(void)debug_list(h);
-	if (list_empty(h))
-		return NULL;
-	return h->n.next;
-}
+/**
+ * list_tail - get the last entry in a list
+ * @h: the list_head
+ * @type: the type of the entry
+ * @member: the list_node member of the type
+ *
+ * If the list is empty, returns NULL.
+ *
+ * Example:
+ *	struct child *last;
+ *	last = list_tail(&parent->children, struct child, list);
+ */
+#define list_tail(h, type, member) \
+	(list_empty(h) ? NULL : list_entry((h)->n.prev, type, member))
 
 /**
  * list_for_each - iterate through a list.