newlib-cygwin/winsup/mingw/include/fcntl.h

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/*
* fcntl.h
* This file has no copyright assigned and is placed in the Public Domain.
* This file is a part of the mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER within the package.
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*
* Access constants for _open. Note that the permissions constants are
* in sys/stat.h (ick).
*
*/
#ifndef _FCNTL_H_
#define _FCNTL_H_
/* All the headers include this file. */
#include <_mingw.h>
/*
* It appears that fcntl.h should include io.h for compatibility...
*/
#include <io.h>
/* Specifiy one of these flags to define the access mode. */
#define _O_RDONLY 0
#define _O_WRONLY 1
#define _O_RDWR 2
/* Mask for access mode bits in the _open flags. */
#define _O_ACCMODE (_O_RDONLY|_O_WRONLY|_O_RDWR)
#define _O_APPEND 0x0008 /* Writes will add to the end of the file. */
#define _O_RANDOM 0x0010
#define _O_SEQUENTIAL 0x0020
#define _O_TEMPORARY 0x0040 /* Make the file dissappear after closing.
* WARNING: Even if not created by _open! */
#define _O_NOINHERIT 0x0080
#define _O_CREAT 0x0100 /* Create the file if it does not exist. */
#define _O_TRUNC 0x0200 /* Truncate the file if it does exist. */
#define _O_EXCL 0x0400 /* Open only if the file does not exist. */
#define _O_SHORT_LIVED 0x1000
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/* NOTE: Text is the default even if the given _O_TEXT bit is not on. */
#define _O_TEXT 0x4000 /* CR-LF in file becomes LF in memory. */
#define _O_BINARY 0x8000 /* Input and output is not translated. */
#define _O_RAW _O_BINARY
#ifndef _NO_OLDNAMES
/* POSIX/Non-ANSI names for increased portability */
#define O_RDONLY _O_RDONLY
#define O_WRONLY _O_WRONLY
#define O_RDWR _O_RDWR
#define O_ACCMODE _O_ACCMODE
#define O_APPEND _O_APPEND
#define O_CREAT _O_CREAT
#define O_TRUNC _O_TRUNC
#define O_EXCL _O_EXCL
#define O_TEXT _O_TEXT
#define O_BINARY _O_BINARY
#define O_TEMPORARY _O_TEMPORARY
#define O_NOINHERIT _O_NOINHERIT
#define O_SEQUENTIAL _O_SEQUENTIAL
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#define O_RANDOM _O_RANDOM
#endif /* Not _NO_OLDNAMES */
#endif /* Not _FCNTL_H_ */