1 /* $Id: direntry.h,v 1.11 1998/02/24 14:13:08 ache Exp $ */ 2 /* $NetBSD: direntry.h,v 1.14 1997/11/17 15:36:32 ws Exp $ */ 3 4 /*- 5 * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank. 6 * Copyright (C) 1994, 1995, 1997 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_int8_t 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_int8_t deExtension[3]; /* extension, blank filled */ 60 u_int8_t 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_int8_t deReserved[1]; /* reserved */ 69 u_int8_t deCHundredth; /* hundredth of seconds in CTime */ 70 u_int8_t deCTime[2]; /* create time */ 71 u_int8_t deCDate[2]; /* create date */ 72 u_int8_t deADate[2]; /* access date */ 73 u_int8_t deHighClust[2]; /* high bytes of cluster number */ 74 u_int8_t deMTime[2]; /* last update time */ 75 u_int8_t deMDate[2]; /* last update date */ 76 u_int8_t deStartCluster[2]; /* starting cluster of file */ 77 u_int8_t deFileSize[4]; /* size of file in bytes */ 78 }; 79 80 /* 81 * Structure of a Win95 long name directory entry 82 */ 83 struct winentry { 84 u_int8_t weCnt; 85 #define WIN_LAST 0x40 86 #define WIN_CNT 0x3f 87 u_int8_t wePart1[10]; 88 u_int8_t weAttributes; 89 #define ATTR_WIN95 0x0f 90 u_int8_t weReserved1; 91 u_int8_t weChksum; 92 u_int8_t wePart2[12]; 93 u_int16_t weReserved2; 94 u_int8_t wePart3[4]; 95 }; 96 #define WIN_CHARS 13 /* Number of chars per winentry */ 97 98 /* 99 * Maximum filename length in Win95 100 * Note: Must be < sizeof(dirent.d_name) 101 */ 102 #define WIN_MAXLEN 255 103 104 /* 105 * This is the format of the contents of the deTime field in the direntry 106 * structure. 107 * We don't use bitfields because we don't know how compilers for 108 * arbitrary machines will lay them out. 109 */ 110 #define DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */ 111 #define DT_2SECONDS_SHIFT 0 112 #define DT_MINUTES_MASK 0x7E0 /* minutes */ 113 #define DT_MINUTES_SHIFT 5 114 #define DT_HOURS_MASK 0xF800 /* hours */ 115 #define DT_HOURS_SHIFT 11 116 117 /* 118 * This is the format of the contents of the deDate field in the direntry 119 * structure. 120 */ 121 #define DD_DAY_MASK 0x1F /* day of month */ 122 #define DD_DAY_SHIFT 0 123 #define DD_MONTH_MASK 0x1E0 /* month */ 124 #define DD_MONTH_SHIFT 5 125 #define DD_YEAR_MASK 0xFE00 /* year - 1980 */ 126 #define DD_YEAR_SHIFT 9 127 128 #ifdef KERNEL 129 struct dirent; 130 void unix2dostime __P((struct timespec *tsp, u_int16_t *ddp, 131 u_int16_t *dtp, u_int8_t *dhp)); 132 void dos2unixtime __P((u_int dd, u_int dt, u_int dh, struct timespec *tsp)); 133 int dos2unixfn __P((u_char dn[11], u_char *un, int lower, int d2u_loaded, u_int8_t *d2u, int ul_loaded, u_int8_t *ul)); 134 int unix2dosfn __P((const u_char *un, u_char dn[12], int unlen, u_int gen, int u2d_loaded, u_int8_t *u2d, int lu_loaded, u_int8_t *lu)); 135 int unix2winfn __P((const u_char *un, int unlen, struct winentry *wep, int cnt, int chksum, int table_loaded, u_int16_t *u2w)); 136 int winChkName __P((const u_char *un, int unlen, struct winentry *wep, int chksum, int u2w_loaded, u_int16_t *u2w, int ul_loaded, u_int8_t *ul)); 137 int win2unixfn __P((struct winentry *wep, struct dirent *dp, int chksum, int table_loaded, u_int16_t *u2w)); 138 u_int8_t winChksum __P((u_int8_t *name)); 139 int winSlotCnt __P((const u_char *un, int unlen)); 140 int winLenFixup __P((const u_char *un, int unlen)); 141 #endif /* KERNEL */ 142