diff options
Diffstat (limited to 'fstests/opendisk.c')
-rw-r--r-- | fstests/opendisk.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/fstests/opendisk.c b/fstests/opendisk.c new file mode 100644 index 00000000..4afc9bab --- /dev/null +++ b/fstests/opendisk.c @@ -0,0 +1,59 @@ +/* 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. */ + + + +main (argc, 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); +} + + |