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Diffstat (limited to 'sys/msdosfs/fat.h')
| -rw-r--r-- | sys/msdosfs/fat.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/sys/msdosfs/fat.h b/sys/msdosfs/fat.h deleted file mode 100644 index 7dd5bbf..0000000 --- a/sys/msdosfs/fat.h +++ /dev/null @@ -1,108 +0,0 @@ -/* $FreeBSD$ */ -/* $NetBSD: fat.h,v 1.12 1997/11/17 15:36:36 ws Exp $ */ - -/*- - * Copyright (C) 1994, 1997 Wolfgang Solfrank. - * Copyright (C) 1994, 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 - */ - -/* - * Some useful cluster numbers. - */ -#define MSDOSFSROOT 0 /* cluster 0 means the root dir */ -#define CLUST_FREE 0 /* cluster 0 also means a free cluster */ -#define MSDOSFSFREE CLUST_FREE -#define CLUST_FIRST 2 /* first legal cluster number */ -#define CLUST_RSRVD 0xfffffff6 /* reserved cluster range */ -#define CLUST_BAD 0xfffffff7 /* a cluster with a defect */ -#define CLUST_EOFS 0xfffffff8 /* start of eof cluster range */ -#define CLUST_EOFE 0xffffffff /* end of eof cluster range */ - -#define FAT12_MASK 0x00000fff /* mask for 12 bit cluster numbers */ -#define FAT16_MASK 0x0000ffff /* mask for 16 bit cluster numbers */ -#define FAT32_MASK 0x0fffffff /* mask for FAT32 cluster numbers */ - -/* - * MSDOSFS: - * Return true if filesystem uses 12 bit fats. Microsoft Programmer's - * Reference says if the maximum cluster number in a filesystem is greater - * than 4078 ((CLUST_RSRVS - CLUST_FIRST) & FAT12_MASK) then we've got a - * 16 bit fat filesystem. While mounting, the result of this test is stored - * in pm_fatentrysize. - * GEMDOS-flavour (atari): - * If the filesystem is on floppy we've got a 12 bit fat filesystem, otherwise - * 16 bit. We check the d_type field in the disklabel struct while mounting - * and store the result in the pm_fatentrysize. Note that this kind of - * detection gets flakey when mounting a vnd-device. - */ -#define FAT12(pmp) (pmp->pm_fatmask == FAT12_MASK) -#define FAT16(pmp) (pmp->pm_fatmask == FAT16_MASK) -#define FAT32(pmp) (pmp->pm_fatmask == FAT32_MASK) - -#define MSDOSFSEOF(pmp, cn) ((((cn) | ~(pmp)->pm_fatmask) & CLUST_EOFS) == CLUST_EOFS) - -#ifdef _KERNEL -/* - * These are the values for the function argument to the function - * fatentry(). - */ -#define FAT_GET 0x0001 /* get a fat entry */ -#define FAT_SET 0x0002 /* set a fat entry */ -#define FAT_GET_AND_SET (FAT_GET | FAT_SET) - -/* - * Flags to extendfile: - */ -#define DE_CLEAR 1 /* Zero out the blocks allocated */ - -int pcbmap __P((struct denode *dep, u_long findcn, daddr_t *bnp, u_long *cnp, int* sp)); -int clusterfree __P((struct msdosfsmount *pmp, u_long cn, u_long *oldcnp)); -int clusteralloc __P((struct msdosfsmount *pmp, u_long start, u_long count, u_long fillwith, u_long *retcluster, u_long *got)); -int fatentry __P((int function, struct msdosfsmount *pmp, u_long cluster, u_long *oldcontents, u_long newcontents)); -int freeclusterchain __P((struct msdosfsmount *pmp, u_long startchain)); -int extendfile __P((struct denode *dep, u_long count, struct buf **bpp, u_long *ncp, int flags)); -void fc_purge __P((struct denode *dep, u_int frcn)); - -#endif /* _KERNEL */ |
