1 files changed, 144 insertions, 0 deletions
diff --git a/sbin/fsck_msdosfs/ext.h b/sbin/fsck_msdosfs/ext.h
new file mode 100644
index 000000000000..effb546cf4f8
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+++ b/sbin/fsck_msdosfs/ext.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 1995, 1996, 1997 Wolfgang Solfrank
+ * Copyright (c) 1995 Martin Husemann
+ *
+ * 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 Martin Husemann
+ *	and Wolfgang Solfrank.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 THE AUTHORS 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.
+ *	$NetBSD: ext.h,v 1.6 2000/04/25 23:02:51 jdolecek Exp $
+ * $FreeBSD$
+ */
+
+#ifndef EXT_H
+#define EXT_H
+
+#include <sys/types.h>
+
+#include "dosfs.h"
+
+#define	LOSTDIR	"LOST.DIR"
+
+/*
+ * Options:
+ */
+extern int alwaysno;	/* assume "no" for all questions */
+extern int alwaysyes;	/* assume "yes" for all questions */
+extern int preen;	/* we are preening */
+extern int rdonly;	/* device is opened read only (supersedes above) */
+
+extern char *fname;	/* filesystem currently checked */
+
+extern struct dosDirEntry *rootDir;
+
+/*
+ * function declarations
+ */
+int ask __P((int, const char *, ...)) __attribute__((__format__(__printf__,2,3)));
+
+/*
+ * Check filesystem given as arg
+ */
+int checkfilesys __P((const char *));
+
+/*
+ * Return values of various functions
+ */
+#define	FSOK		0		/* Check was OK */
+#define	FSBOOTMOD	1		/* Boot block was modified */
+#define	FSDIRMOD	2		/* Some directory was modified */
+#define	FSFATMOD	4		/* The FAT was modified */
+#define	FSERROR		8		/* Some unrecovered error remains */
+#define	FSFATAL		16		/* Some unrecoverable error occured */
+#define FSDIRTY		32		/* File system is dirty */
+#define FSFIXFAT	64		/* Fix file system FAT */
+
+/*
+ * read a boot block in a machine independend fashion and translate
+ * it into our struct bootblock.
+ */
+int readboot __P((int, struct bootblock *));
+
+/*
+ * Correct the FSInfo block.
+ */
+int writefsinfo __P((int, struct bootblock *));
+
+/*
+ * Read one of the FAT copies and return a pointer to the new
+ * allocated array holding our description of it.
+ */
+int readfat __P((int, struct bootblock *, int, struct fatEntry **));
+
+/*
+ * Check two FAT copies for consistency and merge changes into the
+ * first if neccessary.
+ */
+int comparefat __P((struct bootblock *, struct fatEntry *, struct fatEntry *, int));
+
+/*
+ * Check a FAT
+ */
+int checkfat __P((struct bootblock *, struct fatEntry *));
+
+/*
+ * Write back FAT entries
+ */
+int writefat __P((int, struct bootblock *, struct fatEntry *, int));
+
+/*
+ * Read a directory
+ */
+int resetDosDirSection __P((struct bootblock *, struct fatEntry *));
+void finishDosDirSection __P((void));
+int handleDirTree __P((int, struct bootblock *, struct fatEntry *));
+
+/*
+ * Cross-check routines run after everything is completely in memory
+ */
+/*
+ * Check for lost cluster chains
+ */
+int checklost __P((int, struct bootblock *, struct fatEntry *));
+/*
+ * Try to reconnect a lost cluster chain
+ */
+int reconnect __P((int, struct bootblock *, struct fatEntry *, cl_t));
+void finishlf __P((void));
+
+/*
+ * Small helper functions
+ */
+/*
+ * Return the type of a reserved cluster as text
+ */
+char *rsrvdcltype __P((cl_t));
+
+/*
+ * Clear a cluster chain in a FAT
+ */
+void clearchain __P((struct bootblock *, struct fatEntry *, cl_t));
+
+#endif