1 files changed, 0 insertions, 86 deletions
diff --git a/libnetdata/avl/avl.h b/libnetdata/avl/avl.h
deleted file mode 100644
index 595d6ec6c..000000000
--- a/libnetdata/avl/avl.h
+++ /dev/null
@@ -1,86 +0,0 @@
-// SPDX-License-Identifier: LGPL-3.0-or-later
-
-#ifndef _AVL_H
-#define _AVL_H 1
-
-#include "../libnetdata.h"
-
-/* Maximum AVL tree height. */
-#ifndef AVL_MAX_HEIGHT
-#define AVL_MAX_HEIGHT 92
-#endif
-
-#if defined(AVL_LOCK_WITH_RWLOCK)
-#define AVL_LOCK_INITIALIZER NETDATA_RWLOCK_INITIALIZER
-#else
-#define AVL_LOCK_INITIALIZER NETDATA_RW_SPINLOCK_INITIALIZER
-#endif
-
-/* Data structures */
-
-/* One element of the AVL tree */
-typedef struct avl_element {
-    struct avl_element *avl_link[2];  /* Subtrees. */
-    signed char avl_balance;       /* Balance factor. */
-} avl_t;
-
-typedef struct __attribute__((packed)) avl_element_packed {
-    struct avl_element *avl_link[2];  /* Subtrees. */
-    signed char avl_balance;       /* Balance factor. */
-} avl_t_packed;
-
-/* An AVL tree */
-typedef struct avl_tree_type {
-    avl_t *root;
-    int (*compar)(void *a, void *b);
-} avl_tree_type;
-
-typedef struct avl_tree_lock {
-    avl_tree_type avl_tree;
-
-#if defined(AVL_LOCK_WITH_RWLOCK)
-    netdata_rwlock_t rwlock;
-#else
-    RW_SPINLOCK rwlock;
-#endif
-} avl_tree_lock;
-
-/* Public methods */
-
-/* Insert element a into the AVL tree t
- * returns the added element a, or a pointer the
- * element that is equal to a (as returned by t->compar())
- * a is linked directly to the tree, so it has to
- * be properly allocated by the caller.
- */
-avl_t *avl_insert_lock(avl_tree_lock *tree, avl_t *item) NEVERNULL WARNUNUSED;
-avl_t *avl_insert(avl_tree_type *tree, avl_t *item) NEVERNULL WARNUNUSED;
-
-/* Remove an element a from the AVL tree t
- * returns a pointer to the removed element
- * or NULL if an element equal to a is not found
- * (equal as returned by t->compar())
- */
-avl_t *avl_remove_lock(avl_tree_lock *tree, avl_t *item) WARNUNUSED;
-avl_t *avl_remove(avl_tree_type *tree, avl_t *item) WARNUNUSED;
-
-/* Find the element into the tree that equal to a
- * (equal as returned by t->compar())
- * returns NULL is no element is equal to a
- */
-avl_t *avl_search_lock(avl_tree_lock *tree, avl_t *item);
-avl_t *avl_search(avl_tree_type *tree, avl_t *item);
-
-/* Initialize the avl_tree_lock
- */
-void avl_init_lock(avl_tree_lock *tree, int (*compar)(void *a, void *b));
-void avl_init(avl_tree_type *tree, int (*compar)(void *a, void *b));
-
-/* Destroy the avl_tree_lock locks
- */
-void avl_destroy_lock(avl_tree_lock *tree);
-
-int avl_traverse_lock(avl_tree_lock *tree, int (*callback)(void *entry, void *data), void *data);
-int avl_traverse(avl_tree_type *tree, int (*callback)(void *entry, void *data), void *data);
-
-#endif /* avl.h */