1 /* $Id$ */ 2 /* $NetBSD: direntry.h,v 1.7 1994/08/21 18:43:54 ws Exp $ */ 3 4 /*- 5 * Copyright (C) 1994 Wolfgang Solfrank. 6 * Copyright (C) 1994 TooLs GmbH. 7 * All rights reserved. 8 * Original code by Paul Popelka (paulp@uts.amdahl.com) (see below). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by TooLs GmbH. 21 * 4. The name of TooLs GmbH may not be used to endorse or promote products 22 * derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 29 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 30 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 /* 36 * Written by Paul Popelka (paulp@uts.amdahl.com) 37 * 38 * You can do anything you want with this software, just don't say you wrote 39 * it, and don't remove this notice. 40 * 41 * This software is provided "as is". 42 * 43 * The author supplies this software to be publicly redistributed on the 44 * understanding that the author is not responsible for the correct 45 * functioning of this software in any circumstances and is not liable for 46 * any damages caused by this software. 47 * 48 * October 1992 49 */ 50 51 /* 52 * Structure of a dos directory entry. 53 */ 54 struct direntry { 55 u_char deName[8]; /* filename, blank filled */ 56 #define SLOT_EMPTY 0x00 /* slot has never been used */ 57 #define SLOT_E5 0x05 /* the real value is 0xe5 */ 58 #define SLOT_DELETED 0xe5 /* file in this slot deleted */ 59 u_char deExtension[3]; /* extension, blank filled */ 60 u_char deAttributes; /* file attributes */ 61 #define ATTR_NORMAL 0x00 /* normal file */ 62 #define ATTR_READONLY 0x01 /* file is readonly */ 63 #define ATTR_HIDDEN 0x02 /* file is hidden */ 64 #define ATTR_SYSTEM 0x04 /* file is a system file */ 65 #define ATTR_VOLUME 0x08 /* entry is a volume label */ 66 #define ATTR_DIRECTORY 0x10 /* entry is a directory name */ 67 #define ATTR_ARCHIVE 0x20 /* file is new or modified */ 68 u_char deReserved[10]; /* reserved */ 69 u_char deTime[2]; /* create/last update time */ 70 u_char deDate[2]; /* create/last update date */ 71 u_char deStartCluster[2]; /* starting cluster of file */ 72 u_char deFileSize[4]; /* size of file in bytes */ 73 }; 74 75 /* 76 * This is the format of the contents of the deTime field in the direntry 77 * structure. 78 * We don't use bitfields because we don't know how compilers for 79 * arbitrary machines will lay them out. 80 */ 81 #define DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */ 82 #define DT_2SECONDS_SHIFT 0 83 #define DT_MINUTES_MASK 0x7E0 /* minutes */ 84 #define DT_MINUTES_SHIFT 5 85 #define DT_HOURS_MASK 0xF800 /* hours */ 86 #define DT_HOURS_SHIFT 11 87 88 /* 89 * This is the format of the contents of the deDate field in the direntry 90 * structure. 91 */ 92 #define DD_DAY_MASK 0x1F /* day of month */ 93 #define DD_DAY_SHIFT 0 94 #define DD_MONTH_MASK 0x1E0 /* month */ 95 #define DD_MONTH_SHIFT 5 96 #define DD_YEAR_MASK 0xFE00 /* year - 1980 */ 97 #define DD_YEAR_SHIFT 9 98 99 #ifdef KERNEL 100 void unix2dostime __P((struct timespec * tsp, u_short * ddp, u_short * dtp)); 101 void dos2unixtime __P((u_short dd, u_short dt, struct timespec * tsp)); 102 int dos2unixfn __P((u_char dn[11], u_char * un)); 103 void unix2dosfn __P((u_char * un, u_char dn[11], int unlen)); 104 #endif /* KERNEL */ 105