93 lines
3.3 KiB
C
93 lines
3.3 KiB
C
/* $NetBSD: dec_label.c,v 1.3 1994/10/26 21:10:53 cgd Exp $ */
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/*-
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dec_label.c 8.1 (Berkeley) 6/10/93
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/param.h>
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#include <sys/fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/disklabel.h>
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#include <pmax/stand/dec_boot.h>
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struct disklabel label;
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struct Dec_DiskLabel dec_label;
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/*
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* This program creates or updates the DEC label after 'disklabel'
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* has initialized the Berkeley disk label.
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* This program may be useful in sharing ULTRIX disks with 4.4 BSD but it
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* hasn't been tested much. Use at your own risk.
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*
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* Usage: dec_label <disk>
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*/
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main(argc, argv)
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int argc;
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char *argv[];
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{
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register int i;
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int fd;
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if (argc != 2) {
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fprintf(stderr, "Usage: dec_label <disk>\n");
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exit(1);
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}
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if ((fd = open(argv[1], O_RDWR, 0)) < 0)
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err(1, "%s", argv[1]);
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if (ioctl(fd, DIOCGDINFO, &label) < 0)
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err(1, "ioctl DIOCGDINFO");
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/* fill in DEC label */
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dec_label.magic = DEC_LABEL_MAGIC;
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dec_label.isPartitioned = 1;
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for (i = 0; i < DEC_NUM_DISK_PARTS; i++) {
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dec_label.map[i].numBlocks = label.d_partitions[i].p_size;
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dec_label.map[i].startBlock = label.d_partitions[i].p_offset;
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printf("%d: start %d size %d\n", i, dec_label.map[i].startBlock,
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dec_label.map[i].numBlocks);
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}
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if (lseek(fd, (off_t)DEC_LABEL_SECTOR * label.d_secsize, SEEK_SET) == -1)
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err(1, "lseek");
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if (write(fd, &dec_label, sizeof(dec_label)) != sizeof(dec_label))
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err(1, "write label");
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return (0);
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}
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