Rename to wmpus

[wmpus] / util.c

diff --git a/util.c b/util.c
index 8495a1c1f3be4a5983f3f0cc3f32f3cceb4f2b1e..18f98dc4f17859e5c5724a8d25ed39271ba89e70 100644 (file)
--- a/util.c
+++ b/util.c
@@ -30,7 +30,7 @@ void list_insert_after(list_t *prev, void *data)
 list_t *list_append(list_t *head, void *data)
 {
        list_t *last = head;
-       while (last->next)
+       while (last && last->next)
                last = last->next;
        list_t *node = new0(list_t);
        node->data = data;
@@ -57,6 +57,13 @@ int list_length(list_t *node)
        return len;
 }
 
+list_t *list_last(list_t *list)
+{
+       while (list && list->next)
+               list = list->next;
+       return list;
+}
+
 list_t *list_find(list_t *list, void *data)
 {
        for (list_t *cur = list; cur; cur = cur->next)