utils: add little-endian swap helpers

[project/libubox.git] / avl.c

diff --git a/avl.c b/avl.c
index bde40b7..6019a9a 100644 (file)
--- a/avl.c
+++ b/avl.c
@@ -103,32 +103,6 @@ avl_init(struct avl_tree *tree, avl_tree_comp comp, bool allow_dups, void *ptr)
 }
 
 /**
- * Internal function to support returning the element from a avl tree query
- * @param tree pointer to avl tree
- * @param key pointer to key
- * @param offset offset of node inside the embedded struct
- * @param mode mode of lookup operation (less equal, equal or greater equal)
- * @param pointer to elemen, NULL if no fitting one was found
- */
-void *
-__avl_find_element(struct avl_tree *tree, const void *key, size_t offset, enum avl_find_mode mode) {
-  void *node = NULL;
-
-  switch (mode) {
-    case AVL_FIND_EQUAL:
-      node = avl_find(tree, key);
-      break;
-    case AVL_FIND_LESSEQUAL:
-      node = avl_find_lessequal(tree, key);
-      break;
-    case AVL_FIND_GREATEREQUAL:
-      node = avl_find_greaterequal(tree, key);
-      break;
-  }
-  return node == NULL ? NULL : (((char *)node) - offset);
-}
-
-/**
  * Finds a node in an avl-tree with a certain key
  * @param tree pointer to avl-tree
  * @param key pointer to key
@@ -136,7 +110,7 @@ __avl_find_element(struct avl_tree *tree, const void *key, size_t offset, enum a
  *    this key exists.
  */
 struct avl_node *
-avl_find(struct avl_tree *tree, const void *key)
+avl_find(const struct avl_tree *tree, const void *key)
 {
   struct avl_node *node;
   int diff;
@@ -158,7 +132,7 @@ avl_find(struct avl_tree *tree, const void *key)
  *    key less or equal specified key exists.
  */
 struct avl_node *
-avl_find_lessequal(struct avl_tree *tree, const void *key) {
+avl_find_lessequal(const struct avl_tree *tree, const void *key) {
   struct avl_node *node, *next;
   int diff;
 
@@ -200,7 +174,7 @@ avl_find_lessequal(struct avl_tree *tree, const void *key) {
  *    key greater or equal specified key exists.
  */
 struct avl_node *
-avl_find_greaterequal(struct avl_tree *tree, const void *key) {
+avl_find_greaterequal(const struct avl_tree *tree, const void *key) {
   struct avl_node *node, *next;
   int diff;