1 files changed, 124 insertions, 0 deletions
diff --git a/fstests/opendisk.c b/fstests/opendisk.c
new file mode 100644
index 00000000..75170b7b
--- /dev/null
+++ b/fstests/opendisk.c
@@ -0,0 +1,124 @@
+/* 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>
+
+/* Boneheaded CMU people decided to gratuitously screw us. */
+#include "/gd/gnu/mach/sys/ioctl.h"
+
+#define DKTYPENAMES
+#include <device/disk_status.h>
+
+int
+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;
+  struct disklabel label;
+  int labelcnt = sizeof label / sizeof (int);
+  int i;
+
+  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]);
+
+
+  errno = device_get_status (device, DIOCGDINFO, &label, &labelcnt);
+
+  if (errno)
+    {
+      perror ("reading disk label");
+      exit (1);
+    }
+  
+  printf ("Magic: %#x", label.d_magic);
+  if (label.d_magic != DISKMAGIC)
+    printf ("Should be %#x\n", DISKMAGIC);
+  else
+    printf ("\n");
+  
+  printf ("Type %s\tSubtype %d\nTypename %s\n",
+	  dktypenames[label.d_type], label.d_subtype, label.d_typename);
+  
+  printf ("Pack name %s\n", label.d_packname);
+  
+  printf ("Secsize %d\tnsect %d\tntrack %d\tncyl %d\tspc %d\tspu %d\n",
+	  label.d_secsize, label.d_nsectors, label.d_ntracks, 
+	  label.d_ncylinders, label.d_secpercyl, label.d_secperunit);
+  
+  printf ("Spares per track %d\tSpares per cyl %d\tAlternates %d\n",
+	  label.d_sparespertrack, label.d_sparespercyl, 
+	  label.d_acylinders);
+  
+  printf ("RPM %d\tileave %d\ttskew %d\tcskew %d\theadsw %d\ttrkseek %d\n",
+	  label.d_rpm, label.d_interleave, label.d_trackskew,
+	  label.d_cylskew, label.d_headswitch, label.d_trkseek);
+  
+  printf ("flags: %d\n", label.d_flags);
+  
+  printf ("npartitions: %d\n", label.d_npartitions);
+
+  printf ("bbsize %d\tsbsize %d\n", label.d_bbsize, label.d_sbsize);
+  
+  printf ("part\tsize\toff\tfsize\tfstype\tfrag\tcpg\n");
+  for (i = 0; i < label.d_npartitions; i++)
+    {
+      printf ("%c:\t%d\t%d\t%d\t%s\t%d\t%d\n",
+	      'a' + i,
+	      label.d_partitions[i].p_size,
+	      label.d_partitions[i].p_offset,
+	      label.d_partitions[i].p_fsize,
+	      fstypenames[label.d_partitions[i].p_fstype],
+	      label.d_partitions[i].p_frag,
+	      label.d_partitions[i].p_cpg);
+    }
+  exit (0);
+}
+
+