158d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 258d4c6c35633437182289e3d226d156d31d3e801San Mehat * Copyright (C) 1995, 1996, 1997 Wolfgang Solfrank 358d4c6c35633437182289e3d226d156d31d3e801San Mehat * Copyright (c) 1995 Martin Husemann 458d4c6c35633437182289e3d226d156d31d3e801San Mehat * 558d4c6c35633437182289e3d226d156d31d3e801San Mehat * Redistribution and use in source and binary forms, with or without 658d4c6c35633437182289e3d226d156d31d3e801San Mehat * modification, are permitted provided that the following conditions 758d4c6c35633437182289e3d226d156d31d3e801San Mehat * are met: 858d4c6c35633437182289e3d226d156d31d3e801San Mehat * 1. Redistributions of source code must retain the above copyright 958d4c6c35633437182289e3d226d156d31d3e801San Mehat * notice, this list of conditions and the following disclaimer. 1058d4c6c35633437182289e3d226d156d31d3e801San Mehat * 2. Redistributions in binary form must reproduce the above copyright 1158d4c6c35633437182289e3d226d156d31d3e801San Mehat * notice, this list of conditions and the following disclaimer in the 1258d4c6c35633437182289e3d226d156d31d3e801San Mehat * documentation and/or other materials provided with the distribution. 1358d4c6c35633437182289e3d226d156d31d3e801San Mehat * 3. All advertising materials mentioning features or use of this software 1458d4c6c35633437182289e3d226d156d31d3e801San Mehat * must display the following acknowledgement: 1558d4c6c35633437182289e3d226d156d31d3e801San Mehat * This product includes software developed by Martin Husemann 1658d4c6c35633437182289e3d226d156d31d3e801San Mehat * and Wolfgang Solfrank. 1758d4c6c35633437182289e3d226d156d31d3e801San Mehat * 4. Neither the name of the University nor the names of its contributors 1858d4c6c35633437182289e3d226d156d31d3e801San Mehat * may be used to endorse or promote products derived from this software 1958d4c6c35633437182289e3d226d156d31d3e801San Mehat * without specific prior written permission. 2058d4c6c35633437182289e3d226d156d31d3e801San Mehat * 2158d4c6c35633437182289e3d226d156d31d3e801San Mehat * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 2258d4c6c35633437182289e3d226d156d31d3e801San Mehat * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2358d4c6c35633437182289e3d226d156d31d3e801San Mehat * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2458d4c6c35633437182289e3d226d156d31d3e801San Mehat * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 2558d4c6c35633437182289e3d226d156d31d3e801San Mehat * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2658d4c6c35633437182289e3d226d156d31d3e801San Mehat * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2758d4c6c35633437182289e3d226d156d31d3e801San Mehat * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2858d4c6c35633437182289e3d226d156d31d3e801San Mehat * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2958d4c6c35633437182289e3d226d156d31d3e801San Mehat * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 3058d4c6c35633437182289e3d226d156d31d3e801San Mehat * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3158d4c6c35633437182289e3d226d156d31d3e801San Mehat * $NetBSD: ext.h,v 1.6 2000/04/25 23:02:51 jdolecek Exp $ 3258d4c6c35633437182289e3d226d156d31d3e801San Mehat * $FreeBSD: src/sbin/fsck_msdosfs/ext.h,v 1.10.20.1 2009/04/15 03:14:26 kensmith Exp $ 3358d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 3458d4c6c35633437182289e3d226d156d31d3e801San Mehat 3558d4c6c35633437182289e3d226d156d31d3e801San Mehat#ifndef EXT_H 3658d4c6c35633437182289e3d226d156d31d3e801San Mehat#define EXT_H 3758d4c6c35633437182289e3d226d156d31d3e801San Mehat 3858d4c6c35633437182289e3d226d156d31d3e801San Mehat#include <sys/types.h> 3958d4c6c35633437182289e3d226d156d31d3e801San Mehat 4058d4c6c35633437182289e3d226d156d31d3e801San Mehat#include "dosfs.h" 4158d4c6c35633437182289e3d226d156d31d3e801San Mehat 4258d4c6c35633437182289e3d226d156d31d3e801San Mehat#define LOSTDIR "LOST.DIR" 4358d4c6c35633437182289e3d226d156d31d3e801San Mehat 4458d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 4558d4c6c35633437182289e3d226d156d31d3e801San Mehat * Options: 4658d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 4758d4c6c35633437182289e3d226d156d31d3e801San Mehatextern int alwaysno; /* assume "no" for all questions */ 4858d4c6c35633437182289e3d226d156d31d3e801San Mehatextern int alwaysyes; /* assume "yes" for all questions */ 4958d4c6c35633437182289e3d226d156d31d3e801San Mehatextern int preen; /* we are preening */ 5058d4c6c35633437182289e3d226d156d31d3e801San Mehatextern int rdonly; /* device is opened read only (supersedes above) */ 5158d4c6c35633437182289e3d226d156d31d3e801San Mehatextern int skipclean; /* skip clean file systems if preening */ 5258d4c6c35633437182289e3d226d156d31d3e801San Mehat 5358d4c6c35633437182289e3d226d156d31d3e801San Mehatextern struct dosDirEntry *rootDir; 5458d4c6c35633437182289e3d226d156d31d3e801San Mehat 5558d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 5658d4c6c35633437182289e3d226d156d31d3e801San Mehat * function declarations 5758d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 5858d4c6c35633437182289e3d226d156d31d3e801San Mehatint ask(int, const char *, ...); 5958d4c6c35633437182289e3d226d156d31d3e801San Mehat 6058d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 6158d4c6c35633437182289e3d226d156d31d3e801San Mehat * Check the dirty flag. If the file system is clean, then return 1. 6258d4c6c35633437182289e3d226d156d31d3e801San Mehat * Otherwise, return 0 (this includes the case of FAT12 file systems -- 6358d4c6c35633437182289e3d226d156d31d3e801San Mehat * they have no dirty flag, so they must be assumed to be unclean). 6458d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 6558d4c6c35633437182289e3d226d156d31d3e801San Mehatint checkdirty(int, struct bootblock *); 6658d4c6c35633437182289e3d226d156d31d3e801San Mehat 6758d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 6858d4c6c35633437182289e3d226d156d31d3e801San Mehat * Check file system given as arg 6958d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 7058d4c6c35633437182289e3d226d156d31d3e801San Mehatint checkfilesys(const char *); 7158d4c6c35633437182289e3d226d156d31d3e801San Mehat 7258d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 7358d4c6c35633437182289e3d226d156d31d3e801San Mehat * Return values of various functions 7458d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 7558d4c6c35633437182289e3d226d156d31d3e801San Mehat#define FSOK 0 /* Check was OK */ 7658d4c6c35633437182289e3d226d156d31d3e801San Mehat#define FSBOOTMOD 1 /* Boot block was modified */ 7758d4c6c35633437182289e3d226d156d31d3e801San Mehat#define FSDIRMOD 2 /* Some directory was modified */ 7858d4c6c35633437182289e3d226d156d31d3e801San Mehat#define FSFATMOD 4 /* The FAT was modified */ 7958d4c6c35633437182289e3d226d156d31d3e801San Mehat#define FSERROR 8 /* Some unrecovered error remains */ 8058d4c6c35633437182289e3d226d156d31d3e801San Mehat#define FSFATAL 16 /* Some unrecoverable error occured */ 8158d4c6c35633437182289e3d226d156d31d3e801San Mehat#define FSDIRTY 32 /* File system is dirty */ 8258d4c6c35633437182289e3d226d156d31d3e801San Mehat#define FSFIXFAT 64 /* Fix file system FAT */ 8358d4c6c35633437182289e3d226d156d31d3e801San Mehat 8458d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 8558d4c6c35633437182289e3d226d156d31d3e801San Mehat * read a boot block in a machine independend fashion and translate 8658d4c6c35633437182289e3d226d156d31d3e801San Mehat * it into our struct bootblock. 8758d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 8858d4c6c35633437182289e3d226d156d31d3e801San Mehatint readboot(int, struct bootblock *); 8958d4c6c35633437182289e3d226d156d31d3e801San Mehat 9058d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 9158d4c6c35633437182289e3d226d156d31d3e801San Mehat * Correct the FSInfo block. 9258d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 9358d4c6c35633437182289e3d226d156d31d3e801San Mehatint writefsinfo(int, struct bootblock *); 9458d4c6c35633437182289e3d226d156d31d3e801San Mehat 9558d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 9658d4c6c35633437182289e3d226d156d31d3e801San Mehat * Read one of the FAT copies and return a pointer to the new 9758d4c6c35633437182289e3d226d156d31d3e801San Mehat * allocated array holding our description of it. 9858d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 9958d4c6c35633437182289e3d226d156d31d3e801San Mehatint readfat(int, struct bootblock *, int, struct fatEntry **); 10058d4c6c35633437182289e3d226d156d31d3e801San Mehat 10158d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 10258d4c6c35633437182289e3d226d156d31d3e801San Mehat * Check two FAT copies for consistency and merge changes into the 10358d4c6c35633437182289e3d226d156d31d3e801San Mehat * first if neccessary. 10458d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 10558d4c6c35633437182289e3d226d156d31d3e801San Mehatint comparefat(struct bootblock *, struct fatEntry *, struct fatEntry *, int); 10658d4c6c35633437182289e3d226d156d31d3e801San Mehat 10758d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 10858d4c6c35633437182289e3d226d156d31d3e801San Mehat * Check a FAT 10958d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 11058d4c6c35633437182289e3d226d156d31d3e801San Mehatint checkfat(struct bootblock *, struct fatEntry *); 11158d4c6c35633437182289e3d226d156d31d3e801San Mehat 11258d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 11358d4c6c35633437182289e3d226d156d31d3e801San Mehat * Write back FAT entries 11458d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 11558d4c6c35633437182289e3d226d156d31d3e801San Mehatint writefat(int, struct bootblock *, struct fatEntry *, int); 11658d4c6c35633437182289e3d226d156d31d3e801San Mehat 11758d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 11858d4c6c35633437182289e3d226d156d31d3e801San Mehat * Read a directory 11958d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 12058d4c6c35633437182289e3d226d156d31d3e801San Mehatint resetDosDirSection(struct bootblock *, struct fatEntry *); 12158d4c6c35633437182289e3d226d156d31d3e801San Mehatvoid finishDosDirSection(void); 12258d4c6c35633437182289e3d226d156d31d3e801San Mehatint handleDirTree(int, struct bootblock *, struct fatEntry *); 12358d4c6c35633437182289e3d226d156d31d3e801San Mehat 12458d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 12558d4c6c35633437182289e3d226d156d31d3e801San Mehat * Cross-check routines run after everything is completely in memory 12658d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 12758d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 12858d4c6c35633437182289e3d226d156d31d3e801San Mehat * Check for lost cluster chains 12958d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 13058d4c6c35633437182289e3d226d156d31d3e801San Mehatint checklost(int, struct bootblock *, struct fatEntry *); 13158d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 13258d4c6c35633437182289e3d226d156d31d3e801San Mehat * Try to reconnect a lost cluster chain 13358d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 13458d4c6c35633437182289e3d226d156d31d3e801San Mehatint reconnect(int, struct bootblock *, struct fatEntry *, cl_t); 13558d4c6c35633437182289e3d226d156d31d3e801San Mehatvoid finishlf(void); 13658d4c6c35633437182289e3d226d156d31d3e801San Mehat 13758d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 13858d4c6c35633437182289e3d226d156d31d3e801San Mehat * Small helper functions 13958d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 14058d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 14158d4c6c35633437182289e3d226d156d31d3e801San Mehat * Return the type of a reserved cluster as text 14258d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 14358d4c6c35633437182289e3d226d156d31d3e801San Mehatchar *rsrvdcltype(cl_t); 14458d4c6c35633437182289e3d226d156d31d3e801San Mehat 14558d4c6c35633437182289e3d226d156d31d3e801San Mehat/* 14658d4c6c35633437182289e3d226d156d31d3e801San Mehat * Clear a cluster chain in a FAT 14758d4c6c35633437182289e3d226d156d31d3e801San Mehat */ 14858d4c6c35633437182289e3d226d156d31d3e801San Mehatvoid clearchain(struct bootblock *, struct fatEntry *, cl_t); 14958d4c6c35633437182289e3d226d156d31d3e801San Mehat 15058d4c6c35633437182289e3d226d156d31d3e801San Mehat#endif 151