annotate src/core/ngx_radix_tree.h @ 546:e19e5f542878 NGINX_0_8_25

nginx 0.8.25 *) Change: now no message is written in an error log if a variable is not found by $r->variable() method. *) Feature: the ngx_http_degradation_module. *) Feature: regular expression named captures. *) Feature: now URI part is not required a "proxy_pass" directive if variables are used. *) Feature: now the "msie_padding" directive works for Chrome too. *) Bugfix: a segmentation fault occurred in a worker process on low memory condition; the bug had appeared in 0.8.18. *) Bugfix: nginx sent gzipped responses to clients those do not support gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared in 0.8.16.
author Igor Sysoev <http://sysoev.ru>
date Mon, 16 Nov 2009 00:00:00 +0300
parents 2879cd3a40cb
children d0f7a625f27c
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_RADIX_TREE_H_INCLUDED_
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8 #define _NGX_RADIX_TREE_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 #define NGX_RADIX_NO_VALUE (uintptr_t) -1
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17 typedef struct ngx_radix_node_s ngx_radix_node_t;
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19 struct ngx_radix_node_s {
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20 ngx_radix_node_t *right;
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21 ngx_radix_node_t *left;
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22 ngx_radix_node_t *parent;
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23 uintptr_t value;
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24 };
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27 typedef struct {
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28 ngx_radix_node_t *root;
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29 ngx_pool_t *pool;
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30 ngx_radix_node_t *free;
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31 char *start;
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32 size_t size;
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33 } ngx_radix_tree_t;
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36 ngx_radix_tree_t *ngx_radix_tree_create(ngx_pool_t *pool,
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37 ngx_int_t preallocate);
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38 ngx_int_t ngx_radix32tree_insert(ngx_radix_tree_t *tree,
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39 uint32_t key, uint32_t mask, uintptr_t value);
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40 ngx_int_t ngx_radix32tree_delete(ngx_radix_tree_t *tree,
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41 uint32_t key, uint32_t mask);
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42 uintptr_t ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key);
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45 #endif /* _NGX_RADIX_TREE_H_INCLUDED_ */