nginx 0.8.16 *) Feature: the "image_filter_transparency" directive. *) Bugfix: "addition_types" directive was incorrectly named "addtion_types". *) Bugfix: resolver cache poisoning. Thanks to Matthew Dempsky. *) Bugfix: memory leak in resolver. Thanks to Matthew Dempsky. *) Bugfix: invalid request line in $request variable was written in access_log only if error_log was set to "info" or "debug" level. *) Bugfix: in PNG alpha-channel support in the ngx_http_image_filter_module. *) Bugfix: nginx always added "Vary: Accept-Encoding" response header line, if both "gzip_static" and "gzip_vary" were on. *) Bugfix: in UTF-8 encoding support by "try_files" directive in nginx/Windows. *) Bugfix: in "post_action" directive usage; the bug had appeared in 0.8.11. Thanks to Igor Artemiev.

/*
 * Copyright (C) Igor Sysoev
 */


#ifndef _NGX_REGEX_H_INCLUDED_
#define _NGX_REGEX_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>

#include <pcre.h>


#define NGX_REGEX_NO_MATCHED  -1000

#define NGX_REGEX_CASELESS    PCRE_CASELESS

typedef pcre  ngx_regex_t;

typedef struct {
    ngx_regex_t   *regex;
    u_char        *name;
} ngx_regex_elt_t;


void ngx_regex_init(void);
ngx_regex_t *ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options,
    ngx_pool_t *pool, ngx_str_t *err);
ngx_int_t ngx_regex_capture_count(ngx_regex_t *re);
ngx_int_t ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures,
    ngx_int_t size);
ngx_int_t ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log);


#define ngx_regex_exec_n           "pcre_exec()"
#define ngx_regex_capture_count_n  "pcre_fullinfo()"


#endif /* _NGX_REGEX_H_INCLUDED_ */