merge r3138, r3139, r3157, r3158, r3159, r3164, r3165, r3202, r3203, r3383, r3388, r3417, r3418: Win32 (mostly) and some Unix file related fixes: *) preserve errno while ngx_free() *) win32 ngx_file_info() utf8 support *) delete Win95 code *) log file name for read/write errors *) test incomplete WriteFile() *) handle short pwrite() to log an error cause: ENOSPC, EDQUOT, or EFBIG *) uniform ngx_directio_on/off() interface with other file functions *) do not create Win32 drive letter in ngx_create_full_path() *) ignore EACCES errors for top level directories in ngx_create_full_path() *) fix Win32 error messages when an temporary file replaces an existent file: *) do not rename an already renamed file *) now ngx_win32_rename_file() returns error code *) do not log failure inside ngx_win32_rename_file() *) fix Win32 error message when an temporary file replaces an existent file: return at once if ngx_win32_rename_file() was not failed and do not try to delete already the renamed temporary file *) skip URI trailing spaces under Win32 *) disable Win32 short file names

/*
 * 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_ */