xref: /netbsd/sbin/fsck_lfs/vars.c (revision 913768d6)
1 /* $NetBSD: vars.c,v 1.19 2020/04/03 19:36:33 joerg Exp $	 */
2 /*-
3  * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by Konrad E. Schroder <perseant@hhhh.org>.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include <sys/param.h>
32 #include <sys/time.h>
33 #include <sys/mount.h>		/* XXX */
34 #include <ufs/lfs/lfs.h>
35 #include "fsck.h"
36 
37 /* variables previously of file scope (from fsck.h) */
38 struct dups *duplist;		/* head of dup list */
39 struct dups *muldup;		/* end of unique duplicate dup block numbers */
40 
41 struct zlncnt *zlnhead;		/* head of zero link count list */
42 struct zlncnt *orphead = NULL;	/* head of "properly orphaned" list */
43 
44 struct lfs *fs;
45 
46 daddr_t idaddr;			/* inode block containing ifile inode */
47 long numdirs, listmax, inplast;
48 
49 char nflag;			/* assume a no response */
50 char yflag;			/* assume a yes response */
51 int bflag;			/* location of alternate super block */
52 int debug;			/* output debugging info */
53 int exitonfail;
54 int preen;			/* just fix normal inconsistencies */
55 char havesb;			/* superblock has been read */
56 char skipclean;			/* skip clean file systems if preening */
57 int fsmodified;			/* 1 => write done to file system */
58 int fsreadfd;			/* file descriptor for reading file system */
59 int rerun;			/* rerun fsck.  Only used in non-preen mode */
60 
61 daddr_t maxfsblock;		/* number of blocks in the file system */
62 #ifndef VERBOSE_BLOCKMAP
63 char *blockmap;			/* ptr to primary blk allocation map */
64 #else
65 ino_t *blockmap;
66 #endif
67 ino_t maxino;			/* number of inodes in file system */
68 ino_t lastino;			/* last inode in use */
69 char *statemap;			/* ptr to inode state table */
70 char *typemap;			/* ptr to inode type table */
71 int16_t *lncntp;		/* ptr to link count table */
72 
73 ino_t lfdir;			/* lost & found directory inode number */
74 int lfmode = 01700;		/* lost & found directory creation mode */
75 
76 daddr_t n_blks;			/* number of blocks in use */
77 ino_t n_files;			/* number of files in use */
78 
79 int no_roll_forward = 0;	/* don't roll forward */
80 
81 struct inoinfo **inphead, **inpsort;
82