2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Rich $alz of BBN Inc.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 static const char copyright[] =
38 "@(#) Copyright (c) 1990, 1993\n\
39 The Regents of the University of California. All rights reserved.\n";
43 static char sccsid[] = "@(#)clri.c 8.2 (Berkeley) 9/23/93";
47 #include <sys/cdefs.h>
48 __FBSDID("$FreeBSD$");
50 #include <sys/param.h>
51 #include <sys/disklabel.h>
53 #include <ufs/ufs/dinode.h>
54 #include <ufs/ffs/fs.h>
68 (void)fprintf(stderr, "usage: clri special_device inode_number ...\n");
73 main(int argc, char *argv[])
84 /* get the superblock. */
86 if (ufs_disk_fillout(&disk, fsname) == -1) {
87 printf("loading superblock: %s\n", disk.d_error);
91 /* remaining arguments are inode numbers. */
94 /* get the inode number. */
95 if ((inonum = atoi(*argv)) < UFS_ROOTINO) {
96 printf("%s is not a valid inode number", *argv);
100 (void)printf("clearing %d\n", inonum);
102 if (getinode(&disk, &dp, inonum) == -1) {
103 printf("getinode: %s\n", disk.d_error);
107 /* clear the inode, and bump the generation count. */
108 if (disk.d_fs.fs_magic == FS_UFS1_MAGIC) {
109 generation = dp.dp1->di_gen + 1;
110 memset(dp.dp1, 0, sizeof(*dp.dp1));
111 dp.dp1->di_gen = generation;
113 generation = dp.dp2->di_gen + 1;
114 memset(dp.dp2, 0, sizeof(*dp.dp2));
115 dp.dp2->di_gen = generation;
118 (void)fsync(disk.d_fd);
120 (void)ufs_disk_close(&disk);