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Diffstat (limited to 'usr.sbin/makefs/msdos/direntry.h')
| -rw-r--r-- | usr.sbin/makefs/msdos/direntry.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/usr.sbin/makefs/msdos/direntry.h b/usr.sbin/makefs/msdos/direntry.h new file mode 100644 index 000000000000..9d6c65dfcc7d --- /dev/null +++ b/usr.sbin/makefs/msdos/direntry.h @@ -0,0 +1,145 @@ +/* $NetBSD: direntry.h,v 1.14 1997/11/17 15:36:32 ws Exp $ */ + +/*- + * SPDX-License-Identifier: BSD-4-Clause + * + * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank. + * Copyright (C) 1994, 1995, 1997 TooLs GmbH. + * All rights reserved. + * Original code by Paul Popelka (paulp@uts.amdahl.com) (see below). + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by TooLs GmbH. + * 4. The name of TooLs GmbH may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +/*- + * Written by Paul Popelka (paulp@uts.amdahl.com) + * + * You can do anything you want with this software, just don't say you wrote + * it, and don't remove this notice. + * + * This software is provided "as is". + * + * The author supplies this software to be publicly redistributed on the + * understanding that the author is not responsible for the correct + * functioning of this software in any circumstances and is not liable for + * any damages caused by this software. + * + * October 1992 + */ +#ifndef _FS_MSDOSFS_DIRENTRY_H_ +#define _FS_MSDOSFS_DIRENTRY_H_ + +/* + * Structure of a dos directory entry. + */ +struct direntry { + uint8_t deName[11]; /* filename, blank filled */ +#define SLOT_EMPTY 0x00 /* slot has never been used */ +#define SLOT_E5 0x05 /* the real value is 0xe5 */ +#define SLOT_DELETED 0xe5 /* file in this slot deleted */ + uint8_t deAttributes; /* file attributes */ +#define ATTR_NORMAL 0x00 /* normal file */ +#define ATTR_READONLY 0x01 /* file is readonly */ +#define ATTR_HIDDEN 0x02 /* file is hidden */ +#define ATTR_SYSTEM 0x04 /* file is a system file */ +#define ATTR_VOLUME 0x08 /* entry is a volume label */ +#define ATTR_DIRECTORY 0x10 /* entry is a directory name */ +#define ATTR_ARCHIVE 0x20 /* file is new or modified */ + uint8_t deLowerCase; /* NT VFAT lower case flags */ +#define LCASE_BASE 0x08 /* filename base in lower case */ +#define LCASE_EXT 0x10 /* filename extension in lower case */ + uint8_t deCHundredth; /* hundredth of seconds in CTime */ + uint8_t deCTime[2]; /* create time */ + uint8_t deCDate[2]; /* create date */ + uint8_t deADate[2]; /* access date */ + uint8_t deHighClust[2]; /* high bytes of cluster number */ + uint8_t deMTime[2]; /* last update time */ + uint8_t deMDate[2]; /* last update date */ + uint8_t deStartCluster[2]; /* starting cluster of file */ + uint8_t deFileSize[4]; /* size of file in bytes */ +}; + +/* + * Structure of a Win95 long name directory entry + */ +struct winentry { + uint8_t weCnt; +#define WIN_LAST 0x40 +#define WIN_CNT 0x3f + uint8_t wePart1[10]; + uint8_t weAttributes; +#define ATTR_WIN95 0x0f + uint8_t weReserved1; + uint8_t weChksum; + uint8_t wePart2[12]; + uint16_t weReserved2; + uint8_t wePart3[4]; +}; +#define WIN_CHARS 13 /* Number of chars per winentry */ + +/* + * Maximum number of winentries for a filename. + */ +#define WIN_MAXSUBENTRIES 20 + +/* + * Maximum filename length in Win95 + * Note: Must be < sizeof(dirent.d_name) + */ +#define WIN_MAXLEN 255 + +/* + * This is the format of the contents of the deTime field in the direntry + * structure. + * We don't use bitfields because we don't know how compilers for + * arbitrary machines will lay them out. + */ +#define DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */ +#define DT_2SECONDS_SHIFT 0 +#define DT_MINUTES_MASK 0x7E0 /* minutes */ +#define DT_MINUTES_SHIFT 5 +#define DT_HOURS_MASK 0xF800 /* hours */ +#define DT_HOURS_SHIFT 11 + +/* + * This is the format of the contents of the deDate field in the direntry + * structure. + */ +#define DD_DAY_MASK 0x1F /* day of month */ +#define DD_DAY_SHIFT 0 +#define DD_MONTH_MASK 0x1E0 /* month */ +#define DD_MONTH_SHIFT 5 +#define DD_YEAR_MASK 0xFE00 /* year - 1980 */ +#define DD_YEAR_SHIFT 9 + +int unix2dosfn(const u_char *un, u_char dn[12], size_t unlen, u_int gen); +int unix2winfn(const u_char *un, size_t unlen, struct winentry *wep, int cnt, + int chksum); +int winChkName(const u_char *un, size_t unlen, struct winentry *wep, + int chksum); +uint8_t winChksum(uint8_t *name); +int winSlotCnt(const u_char *un, size_t unlen); + +#endif /* !_FS_MSDOSFS_DIRENTRY_H_ */ |