Annotation of sys/msdosfs/direntry.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: direntry.h,v 1.6 2002/03/14 01:27:09 millert Exp $ */
! 2: /* $NetBSD: direntry.h,v 1.13 1997/10/17 11:23:45 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 deLowerCase; /* case for base and extension */
! 69: #define CASE_LOWER_BASE 0x08 /* base is lower case */
! 70: #define CASE_LOWER_EXT 0x10 /* extension is lower case */
! 71: u_int8_t deCTimeHundredth; /* create time, 1/100th of a sec */
! 72: u_int8_t deCTime[2]; /* create time */
! 73: u_int8_t deCDate[2]; /* create date */
! 74: u_int8_t deADate[2]; /* access date */
! 75: u_int8_t deHighClust[2]; /* high byte of cluster number */
! 76: u_int8_t deMTime[2]; /* last update time */
! 77: u_int8_t deMDate[2]; /* last update date */
! 78: u_int8_t deStartCluster[2]; /* starting cluster of file */
! 79: u_int8_t deFileSize[4]; /* size of file in bytes */
! 80: };
! 81:
! 82: /*
! 83: * Structure of a Win95 long name directory entry
! 84: */
! 85: struct winentry {
! 86: u_int8_t weCnt;
! 87: #define WIN_LAST 0x40
! 88: #define WIN_CNT 0x3f
! 89: u_int8_t wePart1[10];
! 90: u_int8_t weAttributes;
! 91: #define ATTR_WIN95 0x0f
! 92: u_int8_t weReserved1;
! 93: u_int8_t weChksum;
! 94: u_int8_t wePart2[12];
! 95: u_int16_t weReserved2;
! 96: u_int8_t wePart3[4];
! 97: };
! 98: #define WIN_CHARS 13 /* Number of chars per winentry */
! 99:
! 100: /*
! 101: * This is the format of the contents of the deTime field in the direntry
! 102: * structure.
! 103: * We don't use bitfields because we don't know how compilers for
! 104: * arbitrary machines will lay them out.
! 105: */
! 106: #define DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */
! 107: #define DT_2SECONDS_SHIFT 0
! 108: #define DT_MINUTES_MASK 0x7E0 /* minutes */
! 109: #define DT_MINUTES_SHIFT 5
! 110: #define DT_HOURS_MASK 0xF800 /* hours */
! 111: #define DT_HOURS_SHIFT 11
! 112:
! 113: /*
! 114: * This is the format of the contents of the deDate field in the direntry
! 115: * structure.
! 116: */
! 117: #define DD_DAY_MASK 0x1F /* day of month */
! 118: #define DD_DAY_SHIFT 0
! 119: #define DD_MONTH_MASK 0x1E0 /* month */
! 120: #define DD_MONTH_SHIFT 5
! 121: #define DD_YEAR_MASK 0xFE00 /* year - 1980 */
! 122: #define DD_YEAR_SHIFT 9
! 123:
! 124: #ifdef _KERNEL
! 125: void unix2dostime(struct timespec *tsp, u_int16_t *ddp, u_int16_t *dtp, u_int8_t *dhp);
! 126: void dos2unixtime(u_int dd, u_int dt, u_int dh, struct timespec *tsp);
! 127: int dos2unixfn(u_char dn[11], u_char *un, int lower);
! 128: int unix2dosfn(u_char *un, u_char dn[12], int unlen, u_int gen);
! 129: int unix2winfn(u_char *un, int unlen, struct winentry *wep, int cnt, int chksum);
! 130: int winChkName(u_char *un, int unlen, struct winentry *wep, int chksum);
! 131: int win2unixfn(struct winentry *wep, struct dirent *dp, int chksum);
! 132: u_int8_t winChksum(u_int8_t *name);
! 133: int winSlotCnt(u_char *un, int unlen);
! 134: #endif /* _KERNEL */
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to direntry.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / msdosfs