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annotate src/core/ngx_regex.c @ 3319:be47fe127f8c

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ngx_regex_exec() calling optimiztion: *) change NGX_REGEX_NO_MATCHED to PCRE_ERROR_NOMATCH *) declare ngx_regex_exec() as #define *) optimize SSI regex a little
author Igor Sysoev <igor@sysoev.ru>
date Fri, 13 Nov 2009 20:41:41 +0000
parents 2a92804f4109
children 42c16d8bddbe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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6
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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7 #include <ngx_config.h>
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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8 #include <ngx_core.h>
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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9
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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11 static void * ngx_libc_cdecl ngx_regex_malloc(size_t size);
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12 static void ngx_libc_cdecl ngx_regex_free(void *p);
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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13
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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14
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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15 static ngx_pool_t *ngx_pcre_pool;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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16
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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17
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18 void
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19 ngx_regex_init(void)
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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20 {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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21 pcre_malloc = ngx_regex_malloc;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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22 pcre_free = ngx_regex_free;
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23 }
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25
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26 ngx_regex_t *
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27 ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options, ngx_pool_t *pool,
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28 ngx_str_t *err)
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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29 {
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02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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30 int erroff;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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31 const char *errstr;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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32 ngx_regex_t *re;
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33 #if (NGX_THREADS)
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34 ngx_core_tls_t *tls;
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35
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36 #if (NGX_SUPPRESS_WARN)
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37 tls = NULL;
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38 #endif
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39
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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40 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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41 tls = ngx_thread_get_tls(ngx_core_tls_key);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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42 tls->pool = pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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43 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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44 ngx_pcre_pool = pool;
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45 }
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46
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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47 #else
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48
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49 ngx_pcre_pool = pool;
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50
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51 #endif
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52
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53 re = pcre_compile((const char *) pattern->data, (int) options,
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54 &errstr, &erroff, NULL);
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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55
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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56 if (re == NULL) {
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0b67be7d4489 nginx-0.0.1-2003-12-08-23:48:12 import
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57 if ((size_t) erroff == pattern->len) {
461
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58 ngx_snprintf(err->data, err->len - 1,
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59 "pcre_compile() failed: %s in \"%s\"%Z",
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60 errstr, pattern->data);
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61 } else {
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62 ngx_snprintf(err->data, err->len - 1,
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63 "pcre_compile() failed: %s in \"%s\" at \"%s\"%Z",
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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64 errstr, pattern->data, pattern->data + erroff);
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65 }
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66 }
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67
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68 /* ensure that there is no current pool */
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69
381
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70 #if (NGX_THREADS)
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71 if (ngx_threaded) {
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72 tls->pool = NULL;
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73 } else {
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74 ngx_pcre_pool = NULL;
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75 }
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76 #else
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77 ngx_pcre_pool = NULL;
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78 #endif
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79
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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80 return re;
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81 }
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82
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83
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84 ngx_int_t
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85 ngx_regex_capture_count(ngx_regex_t *re)
481
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86 {
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87 int rc, n;
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88
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89 n = 0;
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90
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91 rc = pcre_fullinfo(re, NULL, PCRE_INFO_CAPTURECOUNT, &n);
fd661d14a7fa nginx-0.1.15-RELEASE import
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92
501
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93 if (rc < 0) {
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94 return (ngx_int_t) rc;
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95 }
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96
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97 return (ngx_int_t) n;
481
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98 }
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99
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100
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101 ngx_int_t
1784
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102 ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log)
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103 {
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104 ngx_int_t n;
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105 ngx_uint_t i;
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106 ngx_regex_elt_t *re;
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107
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108 re = a->elts;
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109
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110 for (i = 0; i < a->nelts; i++) {
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111
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112 n = ngx_regex_exec(re[i].regex, s, NULL, 0);
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113
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114 if (n == NGX_REGEX_NO_MATCHED) {
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115 continue;
7d313324d874 ngx_regex_exec_array()
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116 }
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117
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118 if (n < 0) {
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119 ngx_log_error(NGX_LOG_ALERT, log, 0,
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120 ngx_regex_exec_n " failed: %d on \"%V\" using \"%s\"",
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121 n, s, re[i].name);
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122 return NGX_ERROR;
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123 }
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124
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125 /* match */
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126
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127 return NGX_OK;
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128 }
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diff changeset
129
7d313324d874 ngx_regex_exec_array()
Igor Sysoev <igor@sysoev.ru>
parents: 503
diff changeset
130 return NGX_DECLINED;
7d313324d874 ngx_regex_exec_array()
Igor Sysoev <igor@sysoev.ru>
parents: 503
diff changeset
131 }
7d313324d874 ngx_regex_exec_array()
Igor Sysoev <igor@sysoev.ru>
parents: 503
diff changeset
132
7d313324d874 ngx_regex_exec_array()
Igor Sysoev <igor@sysoev.ru>
parents: 503
diff changeset
133
503
b1648294f693 nginx-0.1.26-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
134 static void * ngx_libc_cdecl
b1648294f693 nginx-0.1.26-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
135 ngx_regex_malloc(size_t size)
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136 {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
137 ngx_pool_t *pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
138 #if (NGX_THREADS)
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
139 ngx_core_tls_t *tls;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
140
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
141 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
142 tls = ngx_thread_get_tls(ngx_core_tls_key);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
143 pool = tls->pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
144 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
145 pool = ngx_pcre_pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
146 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
147 #else
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
148 pool = ngx_pcre_pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
149 #endif
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
150
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 294
diff changeset
151 if (pool) {
2049
2a92804f4109 *) back out r2040
Igor Sysoev <igor@sysoev.ru>
parents: 2039
diff changeset
152 return ngx_palloc(pool, size);
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
153 }
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
154
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 290
diff changeset
155 return NULL;
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158
503
b1648294f693 nginx-0.1.26-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
159 static void ngx_libc_cdecl
b1648294f693 nginx-0.1.26-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
160 ngx_regex_free(void *p)
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
161 {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 return;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 }