3 * Copyright (C) Igor Sysoev
7 #ifndef _NGX_RADIX_TREE_H_INCLUDED_
8 #define _NGX_RADIX_TREE_H_INCLUDED_
11 #include <ngx_config.h>
15 #define NGX_RADIX_NO_VALUE (uintptr_t) -1
17 typedef struct ngx_radix_node_s ngx_radix_node_t
;
19 struct ngx_radix_node_s
{
20 ngx_radix_node_t
*right
;
21 ngx_radix_node_t
*left
;
22 ngx_radix_node_t
*parent
;
28 ngx_radix_node_t
*root
;
30 ngx_radix_node_t
*free
;
36 ngx_radix_tree_t
*ngx_radix_tree_create(ngx_pool_t
*pool
,
37 ngx_int_t preallocate
);
38 ngx_int_t
ngx_radix32tree_insert(ngx_radix_tree_t
*tree
,
39 uint32_t key
, uint32_t mask
, uintptr_t value
);
40 ngx_int_t
ngx_radix32tree_delete(ngx_radix_tree_t
*tree
,
41 uint32_t key
, uint32_t mask
);
42 uintptr_t ngx_radix32tree_find(ngx_radix_tree_t
*tree
, uint32_t key
);
45 #endif /* _NGX_RADIX_TREE_H_INCLUDED_ */