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/* Attempt to open a disk device
Copyright (C) 1994 Free Software Foundation, Inc.
Written by Michael I. Bushnell.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <device/device.h>
#include <errno.h>
#include <hurd.h>
#include <stdio.h>
main (int argc, char **argv)
{
mach_port_t hostpriv, devicemaster;
mach_port_t device;
int sizes[DEV_GET_SIZE_COUNT];
int sizescnt = DEV_GET_SIZE_COUNT;
errno = get_privileged_ports (&hostpriv, &devicemaster);
if (errno)
{
perror ("Cannot get privileged ports");
exit (1);
}
errno = device_open (devicemaster, D_READ, argv[1], &device);
if (errno)
{
perror (argv[1]);
exit (1);
}
errno = device_get_status (device, DEV_GET_SIZE, sizes, &sizescnt);
if (errno)
{
perror ("device_get_status");
exit (1);
}
printf ("Record size: %d\nDevice size: %d\n",
sizes[DEV_GET_SIZE_RECORD_SIZE], sizes[DEV_GET_SIZE_DEVICE_SIZE]);
exit (0);
}
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