136 lines
3.1 KiB
C
136 lines
3.1 KiB
C
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/*
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* fcntl.h
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*
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* Access constants for _open. Note that the permissions constants are
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* in sys/stat.h (ick).
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*
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* This code is part of the Mingw32 package.
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*
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* Contributors:
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* Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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*
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Revision$
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* $Author$
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* $Date$
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*
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*/
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#ifndef __STRICT_ANSI__
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#ifndef _FCNTL_H_
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#define _FCNTL_H_
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/* All the headers include this file. */
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#include <_mingw.h>
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/*
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* It appears that fcntl.h should include io.h for compatibility...
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*/
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#include <io.h>
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/* Specifiy one of these flags to define the access mode. */
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#define _O_RDONLY 0
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#define _O_WRONLY 1
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#define _O_RDWR 2
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/* Mask for access mode bits in the _open flags. */
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#define _O_ACCMODE (_O_RDONLY|_O_WRONLY|_O_RDWR)
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#define _O_APPEND 0x0008 /* Writes will add to the end of the file. */
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#define _O_RANDOM 0x0010
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#define _O_SEQUENTIAL 0x0020
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#define _O_TEMPORARY 0x0040 /* Make the file dissappear after closing.
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* WARNING: Even if not created by _open! */
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#define _O_NOINHERIT 0x0080
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#define _O_CREAT 0x0100 /* Create the file if it does not exist. */
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#define _O_TRUNC 0x0200 /* Truncate the file if it does exist. */
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#define _O_EXCL 0x0400 /* Open only if the file does not exist. */
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/* NOTE: Text is the default even if the given _O_TEXT bit is not on. */
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#define _O_TEXT 0x4000 /* CR-LF in file becomes LF in memory. */
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#define _O_BINARY 0x8000 /* Input and output is not translated. */
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#define _O_RAW _O_BINARY
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#ifndef _NO_OLDNAMES
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/* POSIX/Non-ANSI names for increased portability */
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#define O_RDONLY _O_RDONLY
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#define O_WRONLY _O_WRONLY
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#define O_RDWR _O_RDWR
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#define O_ACCMODE _O_ACCMODE
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#define O_APPEND _O_APPEND
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#define O_CREAT _O_CREAT
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#define O_TRUNC _O_TRUNC
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#define O_EXCL _O_EXCL
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#define O_TEXT _O_TEXT
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#define O_BINARY _O_BINARY
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#define O_TEMPORARY _O_TEMPORARY
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#define O_NOINHERIT _O_NOINHERIT
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#define O_SEQENTIAL _O_SEQUENTIAL
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#define O_RANDOM _O_RANDOM
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#endif /* Not _NO_OLDNAMES */
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#ifndef RC_INVOKED
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/*
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* This variable determines the default file mode.
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* TODO: Which flags work?
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*/
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#ifndef __DECLSPEC_SUPPORTED
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#ifdef __MSVCRT__
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extern unsigned int* __imp__fmode;
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#define _fmode (*__imp__fmode)
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#else
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/* CRTDLL */
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extern unsigned int* __imp__fmode_dll;
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#define _fmode (*__imp__fmode_dll)
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#endif
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#else /* __DECLSPEC_SUPPORTED */
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#ifdef __MSVCRT__
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__MINGW_IMPORT unsigned int _fmode;
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#else /* ! __MSVCRT__ */
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__MINGW_IMPORT unsigned int _fmode_dll;
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#define _fmode _fmode_dll
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#endif /* ! __MSVCRT__ */
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#endif /* __DECLSPEC_SUPPORTED */
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#ifdef __cplusplus
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extern "C" {
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#endif
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int _setmode (int, int);
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#ifndef _NO_OLDNAMES
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int setmode (int, int);
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#endif /* Not _NO_OLDNAMES */
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#ifdef __cplusplus
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}
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#endif
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#endif /* Not RC_INVOKED */
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#endif /* Not _FCNTL_H_ */
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#endif /* Not __STRICT_ANSI__ */
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