1 files changed, 11 insertions, 0 deletions
diff --git a/util.c b/util.c
index 1e44194..22300ba 100644
--- a/util.c
+++ b/util.c
@@ -126,6 +126,17 @@ listinsert(struct list *list, struct list *new)
 }
 
 void
+listinsertlist(struct list *list, struct list *new)
+{
+	if (new->next == new)
+		return;
+	new->next->prev = list;
+	new->prev->next = list;
+	list->next->prev = new->prev;
+	list->next = new->next;
+}
+
+void
 listremove(struct list *list)
 {
 	list->next->prev = list->prev;