2000-05-06 21:34:20 +02:00
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/****************************************************************/
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/* */
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/* sft.h */
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/* DOS-C */
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/* */
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/* DOS System File Table Structure */
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/* */
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/* Copyright (c) 1995, 1996 */
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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 *sft_hRcsId = "$Id$";
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#endif
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#endif
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/*
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* $Log$
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2000-05-08 06:30:00 +02:00
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* Revision 1.2 2000/05/08 04:28:22 jimtabor
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* Update CVS to 2020
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2000-05-06 21:34:20 +02:00
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*
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* Revision 1.3 2000/03/09 06:06:38 kernel
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* 2017f updates by James Tabor
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*
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* Revision 1.2 1999/04/04 18:50:25 jprice
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* no message
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*
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* Revision 1.1.1.1 1999/03/29 15:39:35 jprice
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* New version without IPL.SYS
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*
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* Revision 1.3 1999/02/01 01:40:06 jprice
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* Clean up
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*
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* Revision 1.2 1999/01/22 04:17:40 jprice
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* Formating
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*
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* Revision 1.1.1.1 1999/01/20 05:51:01 jprice
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* Imported sources
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*
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*
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* Rev 1.6 04 Jan 1998 23:14:18 patv
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* Changed Log for strip utility
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*
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* Rev 1.5 16 Jan 1997 12:46:04 patv
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* pre-Release 0.92 feature additions
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*
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* Rev 1.4 29 May 1996 21:25:18 patv
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* bug fixes for v0.91a
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*
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* Rev 1.3 19 Feb 1996 3:15:34 patv
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* Added NLS, int2f and config.sys processing
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*
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* Rev 1.2 01 Sep 1995 17:35:44 patv
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* First GPL release.
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*
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* Rev 1.1 30 Jul 1995 20:43:50 patv
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* Eliminated version strings in ipl
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*
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* Rev 1.0 02 Jul 1995 10:39:52 patv
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* Initial revision.
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*/
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#define SFTMAX 128
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/* Handle Definition entry */
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typedef struct
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{
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WORD sft_count; /* reference count */
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WORD sft_mode; /* open mode - see below */
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BYTE sft_attrib; /* file attribute - dir style */
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union
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{
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WORD _sft_flags;
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struct
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{
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BYTE _sft_flags_lo;
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BYTE _sft_flags_hi;
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}
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_split_sft_flags;
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}
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sft_flags_union;
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union
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{
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struct dpb FAR *
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_sft_dcb; /* The device control block */
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struct dhdr FAR *
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_sft_dev; /* device driver for char dev */
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}
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sft_dcb_or_dev;
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WORD sft_stclust; /* Starting cluster */
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time sft_time; /* File time */
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date sft_date; /* File date */
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LONG sft_size; /* File size */
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LONG sft_posit; /* Current file position */
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WORD sft_relclust; /* File relative cluster */
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WORD sft_cuclust; /* File current cluster */
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WORD sft_dirdlust; /* Sector containing cluster */
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BYTE sft_diridx; /* directory index */
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BYTE sft_name[11]; /* dir style file name */
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BYTE FAR *
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sft_bshare; /* backward link of file sharing sft */
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WORD sft_mach; /* machine number - network apps */
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WORD sft_psp; /* owner psp */
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WORD sft_shroff; /* Sharing offset */
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WORD sft_status; /* this sft status */
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}
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sft;
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/* SFT Table header definition */
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typedef struct _sftheader
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{
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struct _sfttbl FAR * /* link to next table in list */
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sftt_next;
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WORD sftt_count; /* # of handle definition */
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/* entries, this table */
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}
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sftheader;
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/* System File Definition List */
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typedef struct _sfttbl
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{
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struct _sfttbl FAR * /* link to next table in list */
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sftt_next;
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WORD sftt_count; /* # of handle definition */
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/* entries, this table */
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sft sftt_table[SFTMAX]; /* The array of sft for block */
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}
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sfttbl;
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/* defines for sft use */
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#define SFT_MASK 0x0060 /* splits device data */
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/* mode bits */
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#define SFT_MFCB 0x8000 /* entry is for fcb */
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#define SFT_MDENYNONE 0x0040 /* sharing bits */
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#define SFT_MDENYREAD 0x0030 /* " " */
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#define SFT_MDENYWRITE 0x0020 /* " " */
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#define SFT_MEXCLUSIVE 0x0010 /* " " */
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#define SFT_NOINHERIT 0x0080 /* inhibit inherting of file */
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#define SFT_NETFCB 0x0070 /* networked fcb */
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#define SFT_MSHAREMASK 0x0070 /* mask to isolate shared bits */
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#define SFT_MRDWR 0x0002 /* read/write bit */
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#define SFT_MWRITE 0x0001 /* write bit */
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#define SFT_MREAD 0x0000 /* ~ write bit */
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#define SFT_OMASK 0x00f3 /* valid open mask */
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/* flag bits */
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/* the following bit is for redirection */
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#define SFT_FSHARED 0x8000 /* Networked access */
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/* the following entry differntiates char & block access */
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#define SFT_FDEVICE 0x0080 /* device entry */
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/* the following bits are file (block) unique */
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#define SFT_FDATE 0x4000 /* File date set */
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#define SFT_FDIRTY 0x0040 /* File has been written to */
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#define SFT_FDMASK 0x003f /* File mask for drive no */
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/* the following bits are device (char) unique */
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#define SFT_FIOCTL 0x4000 /* IOCTL support - device */
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#define SFT_FEOF 0x0040 /* device eof */
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#define SFT_FBINARY 0x0020 /* device binary mode */
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#define SFT_FSPECIAL 0x0010 /* int 29 support */
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#define SFT_FCLOCK 0x0008 /* device is clock */
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#define SFT_FNUL 0x0004 /* device is nul */
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#define SFT_FCONOUT 0x0002 /* device is console output */
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#define SFT_FCONIN 0x0001 /* device is console input */
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/* Covienence defines */
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#define sft_dcb sft_dcb_or_dev._sft_dcb
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#define sft_dev sft_dcb_or_dev._sft_dev
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#define sft_flags sft_flags_union._sft_flags
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#define sft_flags_hi sft_flags_union._split_sft_flags._sft_flags_hi
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#define sft_flags_lo sft_flags_union._split_sft_flags._sft_flags_lo
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