Mercurial > hg > nginx-quic
annotate src/core/ngx_regex.c @ 484:60452f1c0c62
release-0.1.16 tag
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 25 Jan 2005 12:27:35 +0000 |
parents | fd661d14a7fa |
children | 64d9afb209da |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 |
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10 |
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11 static void *ngx_regex_malloc(size_t size); |
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12 static void ngx_regex_free(void *p); |
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13 |
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14 |
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15 static ngx_pool_t *ngx_pcre_pool; |
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16 |
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17 |
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18 void ngx_regex_init() |
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19 { |
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20 pcre_malloc = ngx_regex_malloc; |
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21 pcre_free = ngx_regex_free; |
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22 } |
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23 |
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24 |
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25 ngx_regex_t *ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options, |
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26 ngx_pool_t *pool, ngx_str_t *err) |
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27 { |
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28 int erroff; |
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29 const char *errstr; |
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30 ngx_regex_t *re; |
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31 #if (NGX_THREADS) |
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32 ngx_core_tls_t *tls; |
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33 |
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34 #if (NGX_SUPPRESS_WARN) |
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35 tls = NULL; |
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36 #endif |
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37 |
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38 if (ngx_threaded) { |
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39 tls = ngx_thread_get_tls(ngx_core_tls_key); |
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40 tls->pool = pool; |
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41 } else { |
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42 ngx_pcre_pool = pool; |
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43 } |
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44 |
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45 #else |
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46 |
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47 ngx_pcre_pool = pool; |
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48 |
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49 #endif |
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51 re = pcre_compile((const char *) pattern->data, (int) options, |
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52 &errstr, &erroff, NULL); |
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53 |
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54 if (re == NULL) { |
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55 if ((size_t) erroff == pattern->len) { |
461 | 56 ngx_snprintf(err->data, err->len - 1, |
479 | 57 "pcre_compile() failed: %s in \"%s\"%Z", |
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58 errstr, pattern->data); |
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59 } else { |
461 | 60 ngx_snprintf(err->data, err->len - 1, |
479 | 61 "pcre_compile() failed: %s in \"%s\" at \"%s\"%Z", |
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62 errstr, pattern->data, pattern->data + erroff); |
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63 } |
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64 } |
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65 |
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66 /* ensure that there is no current pool */ |
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67 |
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68 #if (NGX_THREADS) |
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69 if (ngx_threaded) { |
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70 tls->pool = NULL; |
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71 } else { |
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72 ngx_pcre_pool = NULL; |
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73 } |
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74 #else |
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75 ngx_pcre_pool = NULL; |
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76 #endif |
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77 |
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78 return re; |
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79 } |
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80 |
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81 |
481 | 82 ngx_uint_t ngx_regex_capture_count(ngx_regex_t *re) |
83 { | |
84 int rc, n; | |
85 | |
86 n = 0; | |
87 | |
88 rc = pcre_fullinfo(re, NULL, PCRE_INFO_CAPTURECOUNT, &n); | |
89 | |
90 return (ngx_uint_t) n; | |
91 } | |
92 | |
93 | |
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94 ngx_int_t ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, |
481 | 95 int *captures, ngx_int_t size) |
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96 { |
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97 int rc; |
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98 |
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99 rc = pcre_exec(re, NULL, (const char *) s->data, s->len, 0, 0, |
481 | 100 captures, size); |
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101 |
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102 if (rc == -1) { |
481 | 103 return NGX_REGEX_NO_MATCHED; |
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104 } |
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105 |
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106 return rc; |
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107 } |
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108 |
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109 |
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110 static void *ngx_regex_malloc(size_t size) |
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111 { |
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112 ngx_pool_t *pool; |
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113 #if (NGX_THREADS) |
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114 ngx_core_tls_t *tls; |
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115 |
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116 if (ngx_threaded) { |
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117 tls = ngx_thread_get_tls(ngx_core_tls_key); |
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118 pool = tls->pool; |
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119 } else { |
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120 pool = ngx_pcre_pool; |
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121 } |
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122 #else |
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294
diff
changeset
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123 pool = ngx_pcre_pool; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
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124 #endif |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
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125 |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
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126 if (pool) { |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
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127 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
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128 } |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
129 |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
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130 return NULL; |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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134 static void ngx_regex_free(void *p) |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 return; |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 } |