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import RT-Thread@9217865c without bsp, libcpu and components/net

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This commit is contained in:
Zihao Yu 2023-05-20 16:23:33 +08:00
commit e2376a3709
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46
components/lwp/lwp_avl.h Normal file
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/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-10-12 Jesven first version
*/
#ifndef LWP_AVL_H__
#define LWP_AVL_H__
#include <rtthread.h>
#include <string.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define avl_key_t size_t
#define AVL_EMPTY (struct lwp_avl_struct *)0
#define avl_maxheight 32
#define heightof(tree) ((tree) == AVL_EMPTY ? 0 : (tree)->avl_height)
struct lwp_avl_struct
{
struct lwp_avl_struct *avl_left;
struct lwp_avl_struct *avl_right;
int avl_height;
avl_key_t avl_key;
void *data;
};
void lwp_avl_remove(struct lwp_avl_struct * node_to_delete, struct lwp_avl_struct ** ptree);
void lwp_avl_insert (struct lwp_avl_struct * new_node, struct lwp_avl_struct ** ptree);
struct lwp_avl_struct* lwp_avl_find(avl_key_t key, struct lwp_avl_struct* ptree);
int lwp_avl_traversal(struct lwp_avl_struct* ptree, int (*fun)(struct lwp_avl_struct*, void *), void *arg);
struct lwp_avl_struct* lwp_map_find_first(struct lwp_avl_struct* ptree);
#ifdef __cplusplus
}
#endif
#endif /* LWP_AVL_H__ */