Mercurial > hg > nginx-quic
view src/core/ngx_radix_tree.h @ 3275:b344b68da8c5
optimize some cycles:
*) delete surplus variable;
*) on i386/amd64 "while (n) / n--" is smaller than "while (n--)",
because the platforms have no postfix operations
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 02 Nov 2009 17:12:09 +0000 |
parents | 45a460f82aec |
children | 62be1c4edfba d620f497c50f |
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/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_RADIX_TREE_H_INCLUDED_ #define _NGX_RADIX_TREE_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #define NGX_RADIX_NO_VALUE (uintptr_t) -1 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; ngx_radix_node_t *parent; uintptr_t value; }; typedef struct { ngx_radix_node_t *root; ngx_pool_t *pool; ngx_radix_node_t *free; char *start; size_t size; } ngx_radix_tree_t; ngx_radix_tree_t *ngx_radix_tree_create(ngx_pool_t *pool, ngx_int_t preallocate); ngx_int_t ngx_radix32tree_insert(ngx_radix_tree_t *tree, uint32_t key, uint32_t mask, uintptr_t value); ngx_int_t ngx_radix32tree_delete(ngx_radix_tree_t *tree, uint32_t key, uint32_t mask); uintptr_t ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key); #endif /* _NGX_RADIX_TREE_H_INCLUDED_ */