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Diffstat (limited to 'ufs-utils/clri.c')
| -rw-r--r-- | ufs-utils/clri.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/ufs-utils/clri.c b/ufs-utils/clri.c deleted file mode 100644 index 1ad348a1..00000000 --- a/ufs-utils/clri.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Rich $alz of BBN Inc. - * - * 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 the University of - * California, Berkeley and its contributors. - * 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 REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1990, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; - -static char copyright[] __attribute__ ((unused)); -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)clri.c 8.2 (Berkeley) 9/23/93"; -static char sccsid[] __attribute__ ((unused)); -#endif /* not lint */ - -/* Modified by Michael I. Bushnell for GNU Hurd. */ - -#include <sys/param.h> -#include <sys/time.h> - -#include "../ufs/dinode.h" -#include "../ufs/fs.h" - - - -#include <errno.h> -#include <fcntl.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <unistd.h> - -#define MAXPHYS (64 * 1024) -#define DEV_BSIZE 512 - - -int -main(argc, argv) - int argc; - char *argv[]; -{ - register struct fs *sbp; - register struct dinode *ip; - register int fd; - struct dinode ibuf[MAXBSIZE / sizeof (struct dinode)]; - long generation, bsize; - off_t offset; - int inonum; - char *fs, sblock[SBSIZE]; - - if (argc < 3) { - (void)fprintf(stderr, "usage: clri filesystem inode ...\n"); - exit(1); - } - - fs = *++argv; - - /* get the superblock. */ - if ((fd = open(fs, O_RDWR, 0)) < 0) - { - perror (fs); - exit (1); - } - if (lseek(fd, (off_t)(SBLOCK * DEV_BSIZE), SEEK_SET) < 0) - { - perror (fs); - exit (1); - } - if (read(fd, sblock, sizeof(sblock)) != sizeof(sblock)) { - (void)fprintf(stderr, - "clri: %s: can't read the superblock.\n", fs); - exit(1); - } - - sbp = (struct fs *)sblock; - if (sbp->fs_magic != FS_MAGIC) { - (void)fprintf(stderr, - "clri: %s: superblock magic number 0x%lux, not 0x%x.\n", - fs, sbp->fs_magic, FS_MAGIC); - exit(1); - } - bsize = sbp->fs_bsize; - - /* remaining arguments are inode numbers. */ - while (*++argv) { - /* get the inode number. */ - if ((inonum = atoi(*argv)) <= 0) { - (void)fprintf(stderr, - "clri: %s is not a valid inode number.\n", *argv); - exit(1); - } - (void)printf("clearing %d\n", inonum); - - /* read in the appropriate block. */ - offset = ino_to_fsba(sbp, inonum); /* inode to fs blk */ - offset = fsbtodb(sbp, offset); /* fs blk disk blk */ - offset *= DEV_BSIZE; /* disk blk to bytes */ - - /* seek and read the block */ - if (lseek(fd, offset, SEEK_SET) < 0) - { - perror (fs); - exit (1); - } - if (read(fd, ibuf, bsize) != bsize) - { - perror (fs); - exit (1); - } - - /* get the inode within the block. */ - ip = &ibuf[ino_to_fsbo(sbp, inonum)]; - - /* clear the inode, and bump the generation count. */ - generation = ip->di_gen + 1; - memset(ip, 0, sizeof(*ip)); - ip->di_gen = generation; - - /* backup and write the block */ - if (lseek(fd, (off_t)-bsize, SEEK_CUR) < 0) - { - perror (fs); - exit (1); - } - if (write(fd, ibuf, bsize) != bsize) - { - perror (fs); - exit (1); - } - (void)fsync(fd); - } - (void)close(fd); - exit(0); -} |