wayland-util: wl_list_insert_list() should accept empty lists

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>

diff --git a/src/wayland-util.c b/src/wayland-util.c
index eac7801..107b6db 100644 (file)
--- a/src/wayland-util.c
+++ b/src/wayland-util.c
@@ -79,6 +79,9 @@ wl_list_empty(struct wl_list *list)
 WL_EXPORT void
 wl_list_insert_list(struct wl_list *list, struct wl_list *other)
 {
+       if (wl_list_empty(other))
+               return;
+
        other->next->prev = list;
        other->prev->next = list->next;
        list->next->prev = other->prev;