huwcampbell.com
Reactos
1//
2// fcntl.h
3//
4// Copyright (c) Microsoft Corporation. All rights reserved.
5//
6// File control options used by _open().
7//
8#pragma once
9#ifndef _INC_FCNTL // include guard for 3rd party interop
10#define _INC_FCNTL
11
12#include <corecrt.h>
13
14#pragma warning(push)
15#pragma warning(disable: _UCRT_DISABLED_WARNINGS)
16_UCRT_DISABLE_CLANG_WARNINGS
17
18#define _O_RDONLY 0x0000 // open for reading only
19#define _O_WRONLY 0x0001 // open for writing only
20#define _O_RDWR 0x0002 // open for reading and writing
21#define _O_APPEND 0x0008 // writes done at eof
22
23#define _O_CREAT 0x0100 // create and open file
24#define _O_TRUNC 0x0200 // open and truncate
25#define _O_EXCL 0x0400 // open only if file doesn't already exist
26
27// O_TEXT files have <cr><lf> sequences translated to <lf> on read()'s and <lf>
28// sequences translated to <cr><lf> on write()'s
29
30#define _O_TEXT 0x4000 // file mode is text (translated)
31#define _O_BINARY 0x8000 // file mode is binary (untranslated)
32#define _O_WTEXT 0x10000 // file mode is UTF16 (translated)
33#define _O_U16TEXT 0x20000 // file mode is UTF16 no BOM (translated)
34#define _O_U8TEXT 0x40000 // file mode is UTF8 no BOM (translated)
35
36// macro to translate the C 2.0 name used to force binary mode for files
37#define _O_RAW _O_BINARY
38
39#define _O_NOINHERIT 0x0080 // child process doesn't inherit file
40#define _O_TEMPORARY 0x0040 // temporary file bit (file is deleted when last handle is closed)
41#define _O_SHORT_LIVED 0x1000 // temporary storage file, try not to flush
42#define _O_OBTAIN_DIR 0x2000 // get information about a directory
43#define _O_SEQUENTIAL 0x0020 // file access is primarily sequential
44#define _O_RANDOM 0x0010 // file access is primarily random
45
46
47
48#if (defined _CRT_DECLARE_NONSTDC_NAMES && _CRT_DECLARE_NONSTDC_NAMES) || (!defined _CRT_DECLARE_NONSTDC_NAMES && !__STDC__)
49 #define O_RDONLY _O_RDONLY
50 #define O_WRONLY _O_WRONLY
51 #define O_RDWR _O_RDWR
52 #define O_APPEND _O_APPEND
53 #define O_CREAT _O_CREAT
54 #define O_TRUNC _O_TRUNC
55 #define O_EXCL _O_EXCL
56 #define O_TEXT _O_TEXT
57 #define O_BINARY _O_BINARY
58 #define O_RAW _O_BINARY
59 #define O_TEMPORARY _O_TEMPORARY
60 #define O_NOINHERIT _O_NOINHERIT
61 #define O_SEQUENTIAL _O_SEQUENTIAL
62 #define O_RANDOM _O_RANDOM
63#endif
64
65_UCRT_RESTORE_CLANG_WARNINGS
66#pragma warning(pop) // _UCRT_DISABLED_WARNINGS
67
68#endif // _INC_FCNTL