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84 lines
3.8 KiB
C
84 lines
3.8 KiB
C
/****************************************************************/
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/* */
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/* file.h */
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/* */
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/* DOS File mode flags */
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/* */
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/* December 1, 1991 */
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/* */
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/* Copyright (c) 1995 */
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/* Pasquale J. Villani */
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/* All Rights Reserved */
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/* */
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/* This file is part of DOS-C. */
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/* */
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/* DOS-C is free software; you can redistribute it and/or */
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/* modify it under the terms of the GNU General Public License */
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/* as published by the Free Software Foundation; either version */
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/* 2, or (at your option) any later version. */
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/* */
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/* DOS-C is distributed in the hope that it will be useful, but */
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/* WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
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/* the GNU General Public License for more details. */
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/* */
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/* You should have received a copy of the GNU General Public */
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/* License along with DOS-C; see the file COPYING. If not, */
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/* write to the Free Software Foundation, 675 Mass Ave, */
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/* Cambridge, MA 02139, USA. */
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/****************************************************************/
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#ifdef MAIN
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#ifdef VERSION_STRINGS
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static BYTE *file_hRcsId =
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"$Id: file.h 831 2004-03-27 00:27:11Z bartoldeman $";
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#endif
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#endif
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/* 0 = CON, standard input, can be redirected */
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/* 1 = CON, standard output, can be redirected */
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/* 2 = CON, standard error */
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/* 3 = AUX, auxiliary */
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/* 4 = PRN, list device */
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/* 5 = 1st user file ... */
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#define STDIN 0
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#define STDOUT 1
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#define STDERR 2
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#define STDAUX 3
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#define STDPRN 4
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/* mode bits */
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#define O_VALIDMASK 0xfff3 /* valid open mask */
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#define O_RDONLY 0x0000
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#define O_WRONLY 0x0001
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#define O_RDWR 0x0002
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#define O_ACCMODE 0x0003
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/* bits 2, 3 reserved */
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/* bits 4, 5, 6 sharing modes */
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/* see PC Mag Nov 15, 1988 "Networked Database" p234 by Frank J Derfler Jr */
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#define O_SHAREMASK 0x0070 /* mask to isolate shared bits */
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#define O_COMPAT 0x0000 /* default, compatibility mode */
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#define O_DENYALL 0x0010 /* sharing bits */
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#define O_DENYWRITE 0x0020 /* " " */
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#define O_DENYREAD 0x0030 /* " " */
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#define O_DENYNONE 0x0040 /* " " */
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#define O_NETFCB 0x0070 /* networked fcb */
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#define O_NOINHERIT 0x0080
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#define O_OPEN 0x0100 /* not */
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#define O_TRUNC 0x0200 /* both */
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#define O_CREAT 0x0400
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#define O_LEGACY 0x0800
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#define O_LARGEFILE 0x1000
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#define O_NOCRIT 0x2000
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#define O_SYNC 0x4000
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#define O_FCB 0x8000
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/* status for extended open */
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enum {S_OPENED = 1, S_CREATED = 2, S_REPLACED = 3};
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