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git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@485 6ac86273-5f31-0410-b378-82cca8765d1b
121 lines
5.8 KiB
C
121 lines
5.8 KiB
C
/****************************************************************/
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/* */
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/* fcb.h */
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/* */
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/* FAT FCB and extended FCB data structures & declarations */
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/* */
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/* November 23, 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 *fcb_hRcsId =
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"$Id$";
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#endif
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#endif
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/* fcb convience defines */
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/* block device info */
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#define FID_CHARDEV 0x80 /* 1 defines character device */
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/* 0 defines block file */
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#define FID_NOWRITE 0x40 /* 0 file dirty (write occured) */
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/* 1 file has no changes */
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#define FID_MASK 0x3f /* file # */
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/* char device info */
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#define FID_EOF 0x40 /* 1 = no eof detected */
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/* 0 = end of file on input */
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#define FID_BINARY 0x20 /* 1 = binary (raw) mode device */
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/* 0 = ascii (cooked) mode device */
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#define FID_CLOCK 0x08 /* Clock device */
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#define FID_NULL 0x04 /* Null device */
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#define FID_CONOUT 0x02 /* Console output device */
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#define FID_CONIN 0x01 /* Console input device */
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#ifndef FNAME_SIZE
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#define FNAME_SIZE 8 /* limit on file name */
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#endif
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#ifndef FEXT_SIZE
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#define FEXT_SIZE 3 /* limit on extension */
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#endif
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#ifndef FDFLT_DRIVE
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#define FDFLT_DRIVE 0 /* default drive */
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#endif
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#define PARSE_SEP_STOP 0x01
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#define PARSE_DFLT_DRIVE 0x02
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#define PARSE_BLNK_FNAME 0x04
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#define PARSE_BLNK_FEXT 0x08
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#define PARSE_RET_NOWILD 0
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#define PARSE_RET_WILD 1
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#define PARSE_RET_BADDRIVE 0xff
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#define FCB_READ 0
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#define FCB_WRITE 1
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/* File Control Block (FCB) */
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typedef struct {
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UBYTE fcb_drive; /* Drive number 0=default, 1=A, etc */
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BYTE fcb_fname[FNAME_SIZE]; /* File name */
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BYTE fcb_fext[FEXT_SIZE]; /* File name Extension */
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UWORD fcb_cublock; /* Current block number of */
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/* 128 records/block, for seq. r/w */
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UWORD fcb_recsiz; /* Logical record size in bytes, */
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/* default = 128 */
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ULONG fcb_fsize; /* File size in bytes */
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date fcb_date; /* Date file created */
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time fcb_time; /* Time of last write */
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/* the following are reserved by system */
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BYTE fcb_sftno; /* Device ID */
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BYTE fcb_attrib_hi; /* share info, dev attrib word hi */
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BYTE fcb_attrib_lo; /* dev attrib word lo, open mode */
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UWORD fcb_strtclst; /* file starting cluster */
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UWORD fcb_dirclst; /* cluster of the dir entry */
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UBYTE fcb_diroff_unused; /* offset of the dir entry */
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/* end reserved */
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UBYTE fcb_curec; /* Current block number of */
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ULONG fcb_rndm; /* Current relative record number */
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} fcb;
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/* FAT extended fcb */
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typedef struct {
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UBYTE xfcb_flag; /* 0xff indicates Extended FCB */
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BYTE xfcb_resvrd[5]; /* Reserved */
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UBYTE xfcb_attrib; /* Attribute */
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fcb xfcb_fcb;
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} xfcb;
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typedef struct {
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UBYTE renDriveID; /* drive no. */
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BYTE renOldName[8]; /* Old Filename */
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BYTE renOldExtent[3]; /* Old File Extension */
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BYTE renReserved1[5];
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BYTE renNewName[8]; /* New Filename */
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BYTE renNewExtent[3]; /* New FileExtension */
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BYTE renReserved2[9];
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} rfcb;
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