From 9a5e05a40698f7143002584aa635a07648c3c097 Mon Sep 17 00:00:00 2001
From: Alasdair Kergon <agk@redhat.com>
Date: Tue, 6 May 2003 12:01:13 +0000
Subject: [PATCH] list_next

---
 lib/datastruct/list.h   | 5 +++++
 libdm/datastruct/list.h | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/lib/datastruct/list.h b/lib/datastruct/list.h
index 3084e88b5..6041c1dac 100644
--- a/lib/datastruct/list.h
+++ b/lib/datastruct/list.h
@@ -56,6 +56,11 @@ static inline int list_end(struct list *head, struct list *elem)
 	return elem->n == head;
 }
 
+static inline struct list *list_next(struct list *head, struct list *elem)
+{
+	return (list_end(head, elem) ? NULL : elem->n);
+}
+
 #define list_iterate(v, head) \
 	for (v = (head)->n; v != head; v = v->n)
 
diff --git a/libdm/datastruct/list.h b/libdm/datastruct/list.h
index 3084e88b5..6041c1dac 100644
--- a/libdm/datastruct/list.h
+++ b/libdm/datastruct/list.h
@@ -56,6 +56,11 @@ static inline int list_end(struct list *head, struct list *elem)
 	return elem->n == head;
 }
 
+static inline struct list *list_next(struct list *head, struct list *elem)
+{
+	return (list_end(head, elem) ? NULL : elem->n);
+}
+
 #define list_iterate(v, head) \
 	for (v = (head)->n; v != head; v = v->n)