direntry.h revision 1.1.4.2
1 /* $NetBSD: direntry.h,v 1.1.4.2 2004/09/18 14:52:49 skrll Exp $ */ 2 3 /*- 4 * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank. 5 * Copyright (C) 1994, 1995, 1997 TooLs GmbH. 6 * All rights reserved. 7 * Original code by Paul Popelka (paulp (at) uts.amdahl.com) (see below). 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by TooLs GmbH. 20 * 4. The name of TooLs GmbH may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 /* 35 * Written by Paul Popelka (paulp (at) uts.amdahl.com) 36 * 37 * You can do anything you want with this software, just don't say you wrote 38 * it, and don't remove this notice. 39 * 40 * This software is provided "as is". 41 * 42 * The author supplies this software to be publicly redistributed on the 43 * understanding that the author is not responsible for the correct 44 * functioning of this software in any circumstances and is not liable for 45 * any damages caused by this software. 46 * 47 * October 1992 48 */ 49 50 /* 51 * Structure of a dos directory entry. 52 */ 53 struct direntry { 54 u_int8_t deName[8]; /* filename, blank filled */ 55 #define SLOT_EMPTY 0x00 /* slot has never been used */ 56 #define SLOT_E5 0x05 /* the real value is 0xe5 */ 57 #define SLOT_DELETED 0xe5 /* file in this slot deleted */ 58 u_int8_t deExtension[3]; /* extension, blank filled */ 59 u_int8_t deAttributes; /* file attributes */ 60 #define ATTR_NORMAL 0x00 /* normal file */ 61 #define ATTR_READONLY 0x01 /* file is readonly */ 62 #define ATTR_HIDDEN 0x02 /* file is hidden */ 63 #define ATTR_SYSTEM 0x04 /* file is a system file */ 64 #define ATTR_VOLUME 0x08 /* entry is a volume label */ 65 #define ATTR_DIRECTORY 0x10 /* entry is a directory name */ 66 #define ATTR_ARCHIVE 0x20 /* file is new or modified */ 67 u_int8_t deReserved; /* reserved */ 68 u_int8_t deCHundredth; /* hundredth of seconds in CTime */ 69 u_int8_t deCTime[2]; /* create time */ 70 u_int8_t deCDate[2]; /* create date */ 71 u_int8_t deADate[2]; /* access date */ 72 u_int8_t deHighClust[2]; /* high bytes of cluster number */ 73 u_int8_t deMTime[2]; /* last update time */ 74 u_int8_t deMDate[2]; /* last update date */ 75 u_int8_t deStartCluster[2]; /* starting cluster of file */ 76 u_int8_t deFileSize[4]; /* size of file in bytes */ 77 }; 78 79 /* 80 * Structure of a Win95 long name directory entry 81 */ 82 struct winentry { 83 u_int8_t weCnt; 84 #define WIN_LAST 0x40 85 #define WIN_CNT 0x3f 86 u_int8_t wePart1[10]; 87 u_int8_t weAttributes; 88 #define ATTR_WIN95 0x0f 89 u_int8_t weReserved1; 90 u_int8_t weChksum; 91 u_int8_t wePart2[12]; 92 u_int16_t weReserved2; 93 u_int8_t wePart3[4]; 94 }; 95 #define WIN_CHARS 13 /* Number of chars per winentry */ 96 97 /* 98 * This is the format of the contents of the deTime field in the direntry 99 * structure. 100 * We don't use bitfields because we don't know how compilers for 101 * arbitrary machines will lay them out. 102 */ 103 #define DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */ 104 #define DT_2SECONDS_SHIFT 0 105 #define DT_MINUTES_MASK 0x7E0 /* minutes */ 106 #define DT_MINUTES_SHIFT 5 107 #define DT_HOURS_MASK 0xF800 /* hours */ 108 #define DT_HOURS_SHIFT 11 109 110 /* 111 * This is the format of the contents of the deDate field in the direntry 112 * structure. 113 */ 114 #define DD_DAY_MASK 0x1F /* day of month */ 115 #define DD_DAY_SHIFT 0 116 #define DD_MONTH_MASK 0x1E0 /* month */ 117 #define DD_MONTH_SHIFT 5 118 #define DD_YEAR_MASK 0xFE00 /* year - 1980 */ 119 #define DD_YEAR_SHIFT 9 120 121 #ifdef _KERNEL 122 void unix2dostime __P((struct timespec *tsp, int gmtoff, u_int16_t *ddp, 123 u_int16_t *dtp, u_int8_t *dhp)); 124 void dos2unixtime __P((u_int dd, u_int dt, u_int dh, int gmtoff, 125 struct timespec *tsp)); 126 int dos2unixfn __P((u_char dn[11], u_char *un, int lower)); 127 int unix2dosfn __P((const u_char *un, u_char dn[12], int unlen, 128 u_int gen)); 129 int unix2winfn __P((const u_char *un, int unlen, struct winentry *wep, 130 int cnt, int chksum)); 131 int winChkName __P((const u_char *un, int unlen, struct winentry *wep, 132 int chksum)); 133 int win2unixfn __P((struct winentry *wep, struct dirent *dp, int chksum)); 134 u_int8_t winChksum __P((u_int8_t *name)); 135 int winSlotCnt __P((const u_char *un, int unlen)); 136 #endif /* _KERNEL */ 137
Indexes created Thu Oct 23 22:10:10 GMT 2025