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annotate src/core/ngx_regex.c @ 381:02a511569afb

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nginx-0.0.7-2004-07-07-19:01:00 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 07 Jul 2004 15:01:00 +0000
parents 5cfd65b8b0a7
children da8c5707af39
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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1
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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2 #include <ngx_config.h>
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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3 #include <ngx_core.h>
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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4
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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5
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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6 static void *ngx_regex_malloc(size_t size);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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7 static void ngx_regex_free(void *p);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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8
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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10 static ngx_pool_t *ngx_pcre_pool;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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11
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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12
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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13 void ngx_regex_init()
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 pcre_malloc = ngx_regex_malloc;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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16 pcre_free = ngx_regex_free;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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17 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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18
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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19
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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20 ngx_regex_t *ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options,
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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21 ngx_pool_t *pool, ngx_str_t *err)
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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22 {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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23 int erroff;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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24 const char *errstr;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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25 ngx_regex_t *re;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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26 #if (NGX_THREADS)
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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27 ngx_core_tls_t *tls;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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28
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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29 #if (NGX_SUPPRESS_WARN)
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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30 tls = NULL;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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31 #endif
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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32
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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33 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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34 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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35 tls->pool = pool;
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36 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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37 ngx_pcre_pool = pool;
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38 }
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39
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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40 #else
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41
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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42 ngx_pcre_pool = pool;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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43
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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44 #endif
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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45
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87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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46 re = pcre_compile((const char *) pattern->data, (int) options,
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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47 &errstr, &erroff, NULL);
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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48
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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49 if (re == NULL) {
208
0b67be7d4489 nginx-0.0.1-2003-12-08-23:48:12 import
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50 if ((size_t) erroff == pattern->len) {
290
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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51 ngx_snprintf((char *) err->data, err->len - 1,
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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52 "pcre_compile() failed: %s in \"%s\"",
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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53 errstr, pattern->data);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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54 } else {
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87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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55 ngx_snprintf((char *) err->data, err->len - 1,
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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56 "pcre_compile() failed: %s in \"%s\" at \"%s\"",
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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57 errstr, pattern->data, pattern->data + erroff);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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58 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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59 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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60
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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61 /* ensure that there is no current pool */
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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62
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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63 #if (NGX_THREADS)
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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64 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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65 tls->pool = NULL;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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66 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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67 ngx_pcre_pool = NULL;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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68 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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69 #else
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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70 ngx_pcre_pool = NULL;
381
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71 #endif
294
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72
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73 return re;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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74 }
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75
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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76
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f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import
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77 ngx_int_t ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s,
f1d0e5f09c1e nginx-0.0.1-2003-12-25-23:26:58 import
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78 int *matches, ngx_int_t size)
195
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79 {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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80 int rc;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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81
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87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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82 rc = pcre_exec(re, NULL, (const char *) s->data, s->len, 0, 0,
87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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83 matches, size);
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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84
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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85 if (rc == -1) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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86 return NGX_DECLINED;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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87 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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88
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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89 return rc;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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90 }
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91
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92
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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93 static void *ngx_regex_malloc(size_t size)
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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94 {
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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95 ngx_pool_t *pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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96 #if (NGX_THREADS)
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97 ngx_core_tls_t *tls;
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98
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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99 if (ngx_threaded) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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100 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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101 pool = tls->pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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102 } else {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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103 pool = ngx_pcre_pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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104 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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105 #else
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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106 pool = ngx_pcre_pool;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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107 #endif
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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108
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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109 if (pool) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
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110 return ngx_palloc(pool, size);
294
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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111 }
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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112
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import
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113 return NULL;
195
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114 }
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115
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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116
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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117 static void ngx_regex_free(void *p)
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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118 {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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119 return;
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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120 }