annotate src/core/ngx_list.c @ 676:bfa81a0490a2 NGINX_1_3_1

nginx 1.3.1 *) Security: now nginx/Windows ignores trailing dot in URI path component, and does not allow URIs with ":$" in it. Thanks to Vladimir Kochetkov, Positive Research Center. *) Feature: the "proxy_pass", "fastcgi_pass", "scgi_pass", "uwsgi_pass" directives, and the "server" directive inside the "upstream" block, now support IPv6 addresses. *) Feature: the "resolver" directive now support IPv6 addresses and an optional port specification. *) Feature: the "least_conn" directive inside the "upstream" block. *) Feature: it is now possible to specify a weight for servers while using the "ip_hash" directive. *) Bugfix: a segmentation fault might occur in a worker process if the "image_filter" directive was used; the bug had appeared in 1.3.0. *) Bugfix: nginx could not be built with ngx_cpp_test_module; the bug had appeared in 1.1.12. *) Bugfix: access to variables from SSI and embedded perl module might not work after reconfiguration. Thanks to Yichun Zhang. *) Bugfix: in the ngx_http_xslt_filter_module. Thanks to Kuramoto Eiji. *) Bugfix: memory leak if $geoip_org variable was used. Thanks to Denis F. Latypoff. *) Bugfix: in the "proxy_cookie_domain" and "proxy_cookie_path" directives.
author Igor Sysoev <http://sysoev.ru>
date Tue, 05 Jun 2012 00:00:00 +0400
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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12 ngx_list_t *
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13 ngx_list_create(ngx_pool_t *pool, ngx_uint_t n, size_t size)
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14 {
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15 ngx_list_t *list;
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17 list = ngx_palloc(pool, sizeof(ngx_list_t));
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18 if (list == NULL) {
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19 return NULL;
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20 }
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22 list->part.elts = ngx_palloc(pool, n * size);
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23 if (list->part.elts == NULL) {
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24 return NULL;
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25 }
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27 list->part.nelts = 0;
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28 list->part.next = NULL;
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29 list->last = &list->part;
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30 list->size = size;
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31 list->nalloc = n;
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32 list->pool = pool;
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34 return list;
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35 }
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38 void *
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39 ngx_list_push(ngx_list_t *l)
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40 {
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41 void *elt;
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42 ngx_list_part_t *last;
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44 last = l->last;
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46 if (last->nelts == l->nalloc) {
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48 /* the last part is full, allocate a new list part */
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50 last = ngx_palloc(l->pool, sizeof(ngx_list_part_t));
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51 if (last == NULL) {
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52 return NULL;
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53 }
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55 last->elts = ngx_palloc(l->pool, l->nalloc * l->size);
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56 if (last->elts == NULL) {
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57 return NULL;
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58 }
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60 last->nelts = 0;
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61 last->next = NULL;
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63 l->last->next = last;
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64 l->last = last;
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65 }
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67 elt = (char *) last->elts + l->size * last->nelts;
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68 last->nelts++;
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70 return elt;
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71 }