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/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_FILES_H_INCLUDED_
#define _NGX_FILES_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
typedef HANDLE ngx_fd_t;
typedef BY_HANDLE_FILE_INFORMATION ngx_file_info_t;
typedef uint64_t ngx_file_uniq_t;
typedef struct {
HANDLE dir;
WIN32_FIND_DATA finddata;
unsigned valid_info:1;
unsigned valid_type:1;
unsigned ready:1;
} ngx_dir_t;
typedef struct {
HANDLE dir;
WIN32_FIND_DATA finddata;
unsigned ready:1;
unsigned test:1;
unsigned no_match:1;
u_char *pattern;
ngx_str_t name;
size_t last;
ngx_log_t *log;
} ngx_glob_t;
/* INVALID_FILE_ATTRIBUTES is specified but not defined at least in MSVC6SP2 */
#ifndef INVALID_FILE_ATTRIBUTES
#define INVALID_FILE_ATTRIBUTES 0xffffffff
#endif
/* INVALID_SET_FILE_POINTER is not defined at least in MSVC6SP2 */
#ifndef INVALID_SET_FILE_POINTER
#define INVALID_SET_FILE_POINTER 0xffffffff
#endif
#define NGX_INVALID_FILE INVALID_HANDLE_VALUE
#define NGX_FILE_ERROR 0
/*
* FILE_FLAG_BACKUP_SEMANTICS allows to obtain a handle to a directory
*/
#define ngx_open_file(name, mode, create, access) \
CreateFile((const char *) name, mode, \
FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, \
NULL, create, FILE_FLAG_BACKUP_SEMANTICS, NULL)
#define ngx_open_file_n "CreateFile()"
#define NGX_FILE_RDONLY GENERIC_READ
#define NGX_FILE_WRONLY GENERIC_WRITE
#define NGX_FILE_RDWR GENERIC_READ|GENERIC_WRITE
#define NGX_FILE_CREATE_OR_OPEN OPEN_ALWAYS
#define NGX_FILE_OPEN OPEN_EXISTING
#define NGX_FILE_APPEND 0
#define NGX_FILE_DEFAULT_ACCESS 0
ngx_int_t ngx_file_append_mode(ngx_fd_t fd);
#define ngx_file_append_mode_n "SetFilePointer()"
#define ngx_open_tempfile(name, persistent, access) \
CreateFile((const char *) name, \
GENERIC_READ|GENERIC_WRITE, \
FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, \
NULL, \
CREATE_NEW, \
persistent ? 0: \
FILE_ATTRIBUTE_TEMPORARY|FILE_FLAG_DELETE_ON_CLOSE, \
NULL);
#define ngx_open_tempfile_n "CreateFile()"
#define ngx_close_file CloseHandle
#define ngx_close_file_n "CloseHandle()"
ssize_t ngx_read_fd(ngx_fd_t fd, void *buf, size_t size);
#define ngx_read_fd_n "ReadFile()"
ssize_t ngx_write_fd(ngx_fd_t fd, void *buf, size_t size);
#define ngx_write_fd_n "WriteFile()"
#define ngx_linefeed(p) *p++ = CR; *p++ = LF;
#define NGX_LINEFEED_SIZE 2
#define ngx_delete_file(name) DeleteFile((const char *) name)
#define ngx_delete_file_n "DeleteFile()"
#define ngx_rename_file(o, n) MoveFile((const char *) o, (const char *) n)
#define ngx_rename_file_n "MoveFile()"
ngx_int_t ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log);
ngx_int_t ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s);
#define ngx_set_file_time_n "SetFileTime()"
ngx_int_t ngx_file_info(u_char *filename, ngx_file_info_t *fi);
#define ngx_file_info_n "GetFileAttributesEx()"
#define ngx_fd_info(fd, fi) GetFileInformationByHandle(fd, fi)
#define ngx_fd_info_n "GetFileInformationByHandle()"
#define ngx_is_dir(fi) ((fi)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#define ngx_is_file(fi) !((fi)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#define ngx_is_link(fi) 0
#define ngx_is_exec(fi) 0
#define ngx_file_access(fi) 0
#define ngx_file_size(fi) \
(((off_t) (fi)->nFileSizeHigh << 32) | (fi)->nFileSizeLow)
#define ngx_file_uniq(fi) (*(ngx_file_uniq_t *) &(fi)->nFileIndexHigh)
/* 116444736000000000 is commented in src/os/win32/ngx_time.c */
#define ngx_file_mtime(fi) \
(time_t) (((((unsigned __int64) (fi)->ftLastWriteTime.dwHighDateTime << 32) \
| (fi)->ftLastWriteTime.dwLowDateTime) \
- 116444736000000000) / 10000000)
#define ngx_filename_cmp(s1, s2, n) _strnicmp((char *) s1, (char *) s2, n)
#define ngx_getcwd(buf, size) GetCurrentDirectory(size, buf)
#define ngx_getcwd_n "GetCurrentDirectory()"
#define NGX_MAX_PATH MAX_PATH
#define NGX_DIR_MASK (u_char *) "/*"
#define NGX_DIR_MASK_LEN 2
ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir);
#define ngx_open_dir_n "FindFirstFile()"
ngx_int_t ngx_read_dir(ngx_dir_t *dir);
#define ngx_read_dir_n "FindNextFile()"
#define ngx_close_dir(d) FindClose((d)->dir)
#define ngx_close_dir_n "FindClose()"
#define ngx_create_dir(name, access) CreateDirectory((const char *) name, NULL)
#define ngx_create_dir_n "CreateDirectory()"
#define ngx_delete_dir(name) RemoveDirectory((const char *) name)
#define ngx_delete_dir_n "RemoveDirectory()"
#define ngx_dir_access(a) (a)
#define ngx_de_name(dir) ((u_char *) (dir)->finddata.cFileName)
#define ngx_de_namelen(dir) ngx_strlen((dir)->finddata.cFileName)
ngx_int_t ngx_de_info(u_char *name, ngx_dir_t *dir);
#define ngx_de_info_n "dummy()"
ngx_int_t ngx_de_link_info(u_char *name, ngx_dir_t *dir);
#define ngx_de_link_info_n "dummy()"
#define ngx_de_is_dir(dir) \
((dir)->finddata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#define ngx_de_is_file(dir) \
!((dir)->finddata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#define ngx_de_is_link(dir) 0
#define ngx_de_access(dir) 0
#define ngx_de_size(dir) \
(((off_t) (dir)->finddata.nFileSizeHigh << 32) | (dir)->finddata.nFileSizeLow)
/* 116444736000000000 is commented in src/os/win32/ngx_time.c */
#define ngx_de_mtime(dir) \
(time_t) (((((unsigned __int64) \
(dir)->finddata.ftLastWriteTime.dwHighDateTime << 32) \
| (dir)->finddata.ftLastWriteTime.dwLowDateTime) \
- 116444736000000000) / 10000000)
ngx_int_t ngx_open_glob(ngx_glob_t *gl);
#define ngx_open_glob_n "FindFirstFile()"
ngx_int_t ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name);
void ngx_close_glob(ngx_glob_t *gl);
ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset);
#define ngx_read_file_n "ReadFile()"
ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size,
off_t offset);
ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce,
off_t offset, ngx_pool_t *pool);
ngx_int_t ngx_directio_on(ngx_fd_t fd);
#define ngx_directio_on_n "ngx_directio_on_n"
ngx_int_t ngx_directio_off(ngx_fd_t fd);
#define ngx_directio_off_n "ngx_directio_off_n"
#endif /* _NGX_FILES_H_INCLUDED_ */
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