82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/* $NetBSD: geom.c,v 1.1 2014/07/26 19:30:44 dholland Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995, 1997 Jason R. Thorpe.
|
|
* All rights reserved.
|
|
*
|
|
* 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 for the NetBSD Project
|
|
* by Jason R. Thorpe.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*/
|
|
|
|
/* Modified by Philip A. Nelson for use in sysinst. */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/disklabel.h>
|
|
#include <sys/ioctl.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <util.h>
|
|
#include <errno.h>
|
|
|
|
#include "defs.h"
|
|
|
|
static int
|
|
get_label(const char *disk, struct disklabel *l, unsigned long cmd)
|
|
{
|
|
char diskpath[MAXPATHLEN];
|
|
int fd;
|
|
int sv_errno;
|
|
|
|
/* Open the disk. */
|
|
fd = opendisk(disk, O_RDONLY, diskpath, sizeof(diskpath), 0);
|
|
if (fd < 0)
|
|
return 0;
|
|
|
|
if (ioctl(fd, cmd, l) < 0) {
|
|
sv_errno = errno;
|
|
(void)close(fd);
|
|
errno = sv_errno;
|
|
return 0;
|
|
}
|
|
(void)close(fd);
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
get_geom(const char *disk, struct disklabel *l)
|
|
{
|
|
|
|
return get_label(disk, l, DIOCGDEFLABEL);
|
|
}
|
|
|
|
int
|
|
get_real_geom(const char *disk, struct disklabel *l)
|
|
{
|
|
|
|
return get_label(disk, l, DIOCGDINFO);
|
|
}
|