X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=avl.c;h=8d0bf65aaa5bdaaf83f0910465281a0542e6dfa1;hp=91b2bb87ac7f18f9be55791904a2b3ef5701e82d;hb=13b5c1d4ca488575ee3dd4726b669f768fad8ffa;hpb=d1e59653fa6c7599320155ca7acb92f457f60fa6

diff --git a/avl.c b/avl.c
index 91b2bb8..8d0bf65 100644
--- a/avl.c
+++ b/avl.c
@@ -98,6 +98,11 @@ avl_init(struct avl_tree *tree, avl_tree_comp comp, bool allow_dups, void *ptr)
   tree->cmp_ptr = ptr;
 }
 
+static inline struct avl_node *avl_next(struct avl_node *node)
+{
+    return list_entry(node->list.next, struct avl_node, list);
+}
+
 /**
  * Finds a node in an avl-tree with a certain key
  * @param tree pointer to avl-tree
@@ -225,7 +230,7 @@ avl_insert(struct avl_tree *tree, struct avl_node *new)
   new->leader = true;
 
   if (tree->root == NULL) {
-    list_add_head(&tree->list_head, &new->list);
+    list_add(&new->list, &tree->list_head);
     tree->root = new;
     tree->count = 1;
     return 0;
@@ -236,7 +241,7 @@ avl_insert(struct avl_tree *tree, struct avl_node *new)
   last = node;
 
   while (!list_is_last(&last->list, &tree->list_head)) {
-    next = list_next_element(last, list);
+    next = avl_next(last);
     if (next->leader) {
       break;
     }
@@ -307,7 +312,7 @@ avl_delete(struct avl_tree *tree, struct avl_node *node)
   if (node->leader) {
     if (tree->allow_dups
         && !list_is_last(&node->list, &tree->list_head)
-        && !(next = list_next_element(node, list))->leader) {
+        && !(next = avl_next(node))->leader) {
       next->leader = true;
       next->balance = node->balance;
 
@@ -484,21 +489,21 @@ post_insert(struct avl_tree *tree, struct avl_node *node)
 static void
 avl_insert_before(struct avl_tree *tree, struct avl_node *pos_node, struct avl_node *node)
 {
-  list_add_before(&pos_node->list, &node->list);
+  list_add_tail(&node->list, &pos_node->list);
   tree->count++;
 }
 
 static void
 avl_insert_after(struct avl_tree *tree, struct avl_node *pos_node, struct avl_node *node)
 {
-  list_add_after(&pos_node->list, &node->list);
+  list_add(&node->list, &pos_node->list);
   tree->count++;
 }
 
 static void
 avl_remove(struct avl_tree *tree, struct avl_node *node)
 {
-  list_remove(&node->list);
+  list_del(&node->list);
   tree->count--;
 }