1 files changed, 9 insertions, 0 deletions
diff --git a/utils.h b/utils.h
index 9cb775b..fd9db77 100644
--- a/utils.h
+++ b/utils.h
@@ -30,6 +30,15 @@ static inline void list_add(struct list_head *new, struct list_head *list)
 	list->next = new;
 }
 
+static inline void list_replace(struct list_head *old, struct list_head *new)
+{
+	old->prev->next = new;
+	old->next->prev = new;
+	new->next = old->next;
+	new->prev = old->prev;
+	old->next = old->prev = NULL;
+}
+
 static inline bool list_empty(struct list_head *list)
 {
 	return list->next == list;