nginx/src/core/ngx_radix_tree.h

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#ifndef _NGX_RADIX_TREE_H_INCLUDED_
#define _NGX_RADIX_TREE_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
typedef struct ngx_radix_node_s ngx_radix_node_t;
struct ngx_radix_node_s {
ngx_radix_node_t *right;
ngx_radix_node_t *left;
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ngx_radix_node_t *parent;
uintptr_t value;
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};
typedef struct {
ngx_radix_node_t *root;
ngx_pool_t *pool;
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ngx_radix_node_t *free;
char *start;
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size_t size;
} ngx_radix_tree_t;
ngx_radix_tree_t *ngx_radix_tree_create(ngx_pool_t *pool);
ngx_int_t ngx_radix32tree_insert(ngx_radix_tree_t *tree,
uint32_t key, uint32_t mask, uintptr_t value);
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ngx_int_t ngx_radix32tree_delete(ngx_radix_tree_t *tree,
uint32_t key, uint32_t mask);
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uintptr_t ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key);
#endif /* _NGX_RADIX_TREE_H_INCLUDED_ */