nginx/src/os/win32/ngx_files.h

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/*
* Copyright (C) Igor Sysoev
*/
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#ifndef _NGX_FILES_H_INCLUDED_
#define _NGX_FILES_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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/* INVALID_FILE_ATTRIBUTES is specified but not defined at least in MSVC6SP2 */
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#ifndef INVALID_FILE_ATTRIBUTES
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#define INVALID_FILE_ATTRIBUTES 0xffffffff
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#endif
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/* INVALID_SET_FILE_POINTER is not defined at least in MSVC6SP2 */
#ifndef INVALID_SET_FILE_POINTER
#define INVALID_SET_FILE_POINTER 0xffffffff
#endif
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#define NGX_INVALID_FILE INVALID_HANDLE_VALUE
#define NGX_FILE_ERROR 0
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#define ngx_open_file(name, access, create) \
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CreateFile((const char *) name, access, \
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FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, \
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NULL, create, FILE_FLAG_BACKUP_SEMANTICS, NULL)
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/*
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NULL, OPEN_EXISTING, 0, NULL)
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*/
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#define ngx_open_file_n "CreateFile()"
#define NGX_FILE_RDONLY GENERIC_READ
#define NGX_FILE_RDWR GENERIC_READ|GENERIC_WRITE
#define NGX_FILE_CREATE_OR_OPEN OPEN_ALWAYS
#define NGX_FILE_OPEN OPEN_EXISTING
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#define NGX_FILE_APPEND 0
ngx_int_t ngx_file_append_mode(ngx_fd_t fd);
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#define ngx_file_append_mode_n "SetFilePointer()"
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#define ngx_open_tempfile(name, persistent) \
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CreateFile((const char *) name, \
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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);
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#define ngx_open_tempfile_n "CreateFile()"
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#define ngx_close_file CloseHandle
#define ngx_close_file_n "CloseHandle()"
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#define ngx_delete_file(name) DeleteFile((const char *) name)
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#define ngx_delete_file_n "DeleteFile()"
#define ngx_rename_file MoveFile
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#define ngx_rename_file_n "MoveFile()"
ngx_int_t ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to,
ngx_pool_t *pool);
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ngx_int_t ngx_file_info(u_char *filename, ngx_file_info_t *fi);
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#define ngx_file_info_n "GetFileAttributesEx()"
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#define ngx_fd_info(fd, fi) GetFileInformationByHandle(fd, fi)
#define ngx_fd_info_n "GetFileInformationByHandle"
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#define ngx_is_dir(fi) ((fi)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#define ngx_is_file(fi) !((fi)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
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#define ngx_file_size(fi) \
(((off_t) (fi)->nFileSizeHigh << 32) | (fi)->nFileSizeLow)
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#define ngx_file_uniq(fi) (*(ngx_file_uniq_t *) &(fi)->nFileIndexHigh)
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/* 116444736000000000 is commented in src/os/win32/ngx_time.c */
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#define ngx_file_mtime(fi) \
(time_t) (((((unsigned __int64) (fi)->ftLastWriteTime.dwHighDateTime << 32) \
| (fi)->ftLastWriteTime.dwLowDateTime) \
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- 116444736000000000) / 10000000)
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#define ngx_getcwd(buf, size) GetCurrentDirectory(size, buf)
#define ngx_getcwd_n "GetCurrentDirectory()"
#define NGX_MAX_PATH MAX_PATH
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#define NGX_DIR_MASK (u_char *) "/*"
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#define NGX_DIR_MASK_LEN 2
ngx_int_t ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir);
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#define ngx_open_dir_n "FindFirstFile()"
ngx_int_t ngx_read_dir(ngx_dir_t *dir);
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#define ngx_read_dir_n "FindNextFile()"
#define ngx_close_dir(d) FindClose((d)->dir)
#define ngx_close_dir_n "FindClose()"
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#define ngx_create_dir(name) CreateDirectory((const char *) name, NULL)
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#define ngx_create_dir_n "CreateDirectory()"
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#define ngx_delete_dir(name) RemoveDirectory((const char *) name)
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#define ngx_delete_dir_n "RemoveDirectory()"
#define ngx_de_name(dir) ((u_char *) (dir)->fd.cFileName)
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#define ngx_de_namelen(dir) ngx_strlen((dir)->fd.cFileName)
#define ngx_de_info(name, dir) NGX_OK
#define ngx_de_info_n "dummy()"
#define ngx_de_is_dir(dir) \
((dir)->fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#define ngx_de_is_file(dir) \
!((dir)->fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
#define ngx_de_size(dir) \
(((off_t) (dir)->fd.nFileSizeHigh << 32) | (dir)->fd.nFileSizeLow)
/* 116444736000000000 is commented in src/os/win32/ngx_time.c */
#define ngx_de_mtime(dir) \
(time_t) (((((unsigned __int64) \
(dir)->fd.ftLastWriteTime.dwHighDateTime << 32) \
| (dir)->fd.ftLastWriteTime.dwLowDateTime) \
- 116444736000000000) / 10000000)
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ssize_t ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset);
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#define ngx_read_file_n "ReadFile()"
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ssize_t ngx_write_file(ngx_file_t *file, u_char *buf, size_t size,
off_t offset);
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ssize_t ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *ce,
off_t offset, ngx_pool_t *pool);
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#endif /* _NGX_FILES_H_INCLUDED_ */