util: Add wl_list_insert_list()

2 files changed, 10 insertions, 0 deletions

diff --git a/src/wayland-util.c b/src/wayland-util.c
index 0dae01b..9eb3d59 100644
--- a/src/wayland-util.c
+++ b/src/wayland-util.c
@@ -71,6 +71,15 @@ wl_list_empty(struct wl_list *list)
 }
 
 WL_EXPORT void
+wl_list_insert_list(struct wl_list *list, struct wl_list *other)
+{
+	other->next->prev = list;
+	other->prev->next = list->next;
+	list->next->prev = other->prev;
+	list->next = other->next;
+}
+
+WL_EXPORT void
 wl_array_init(struct wl_array *array)
 {
 	memset(array, 0, sizeof *array);
diff --git a/src/wayland-util.h b/src/wayland-util.h
index 76e0f1d..608ea03 100644
--- a/src/wayland-util.h
+++ b/src/wayland-util.h
@@ -115,6 +115,7 @@ void wl_list_insert(struct wl_list *list, struct wl_list *elm);
 void wl_list_remove(struct wl_list *elm);
 int wl_list_length(struct wl_list *list);
 int wl_list_empty(struct wl_list *list);
+void wl_list_insert_list(struct wl_list *list, struct wl_list *other);
 
 #define __container_of(ptr, sample, member)				\
 	(void *)((char *)(ptr)	-					\