3 * Copyright (C) Igor Sysoev
7 #include <ngx_config.h>
11 static void * ngx_libc_cdecl ngx_regex_malloc(size_t size);
12 static void ngx_libc_cdecl ngx_regex_free(void *p);
15 static ngx_pool_t *ngx_pcre_pool;
21 pcre_malloc = ngx_regex_malloc;
22 pcre_free = ngx_regex_free;
27 ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options, ngx_pool_t *pool,
36 #if (NGX_SUPPRESS_WARN)
41 tls = ngx_thread_get_tls(ngx_core_tls_key);
53 re = pcre_compile((const char *) pattern->data, (int) options,
54 &errstr, &erroff, NULL);
57 if ((size_t) erroff == pattern->len) {
58 ngx_snprintf(err->data, err->len - 1,
59 "pcre_compile() failed: %s in \"%s\"%Z",
60 errstr, pattern->data);
62 ngx_snprintf(err->data, err->len - 1,
63 "pcre_compile() failed: %s in \"%s\" at \"%s\"%Z",
64 errstr, pattern->data, pattern->data + erroff);
68 /* ensure that there is no current pool */
85 ngx_regex_capture_count(ngx_regex_t *re)
91 rc = pcre_fullinfo(re, NULL, PCRE_INFO_CAPTURECOUNT, &n);
94 return (ngx_int_t) rc;
102 ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures, ngx_int_t size)
106 rc = pcre_exec(re, NULL, (const char *) s->data, s->len, 0, 0,
110 return NGX_REGEX_NO_MATCHED;
118 ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log)
126 for (i = 0; i < a->nelts; i++) {
128 n = ngx_regex_exec(re[i].regex, s, NULL, 0);
130 if (n == NGX_REGEX_NO_MATCHED) {
135 ngx_log_error(NGX_LOG_ALERT, log, 0,
136 ngx_regex_exec_n " failed: %d on \"%V\" using \"%s\"",
150 static void * ngx_libc_cdecl
151 ngx_regex_malloc(size_t size)
158 tls = ngx_thread_get_tls(ngx_core_tls_key);
161 pool = ngx_pcre_pool;
164 pool = ngx_pcre_pool;
168 return ngx_palloc(pool, size);
175 static void ngx_libc_cdecl
176 ngx_regex_free(void *p)