fastdfs/common/avl_tree.h

48 lines
1.1 KiB
C

#ifndef AVL_TREE_H
#define AVL_TREE_H
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include "common_define.h"
typedef struct tagAVLTreeNode {
void *data;
struct tagAVLTreeNode *left;
struct tagAVLTreeNode *right;
byte balance;
} AVLTreeNode;
typedef int (*DataOpFunc) (void *data, void *args);
typedef struct tagAVLTreeInfo {
AVLTreeNode *root;
FreeDataFunc free_data_func;
CompareFunc compare_func;
} AVLTreeInfo;
#ifdef __cplusplus
extern "C" {
#endif
int avl_tree_init(AVLTreeInfo *tree, FreeDataFunc free_data_func, \
CompareFunc compare_func);
void avl_tree_destroy(AVLTreeInfo *tree);
int avl_tree_insert(AVLTreeInfo *tree, void *data);
int avl_tree_replace(AVLTreeInfo *tree, void *data);
int avl_tree_delete(AVLTreeInfo *tree, void *data);
void *avl_tree_find(AVLTreeInfo *tree, void *target_data);
void *avl_tree_find_ge(AVLTreeInfo *tree, void *target_data);
int avl_tree_walk(AVLTreeInfo *tree, DataOpFunc data_op_func, void *args);
int avl_tree_count(AVLTreeInfo *tree);
int avl_tree_depth(AVLTreeInfo *tree);
//void avl_tree_print(AVLTreeInfo *tree);
#ifdef __cplusplus
}
#endif
#endif