kernel/hdr/file.h

82 lines
3.7 KiB
C

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