PED_ASSERT (dev != NULL, return 0);
+ if (dev->length <= 1)
+ return 0;
+
if (ped_device_read (dev, pth_raw, 1, GPT_HEADER_SECTORS)
|| ped_device_read (dev, pth_raw, dev->length - 1, GPT_HEADER_SECTORS))
{
--- /dev/null
+#!/bin/sh
+# operate on a very small (1-sector) "disk"
+
+# Copyright (C) 2009 Free Software Foundation, Inc.
+
+# This program 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 3 of the License, or
+# (at your option) any later version.
+
+# This program 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, see <http://www.gnu.org/licenses/>.
+
+if test "$VERBOSE" = yes; then
+ set -x
+ parted --version
+fi
+
+: ${srcdir=.}
+. $srcdir/t-lib.sh
+
+ss=$sector_size_
+dev=loop-file
+
+fail=0
+
+for opt in '' -s; do
+
+ dd if=/dev/null of=$dev bs=1 seek=$ss || framework_failure
+
+ # create an msdos partition table:
+ # Before parted-2.1, without -s, this would fail with a bogus diagnostic:
+ # Error: Success during read on .../tests/loop-file
+ # Retry/Ignore/Cancel? ^C
+ parted $opt $dev mklabel msdos ---pretend-input-tty </dev/null > out 2>&1 \
+ || fail=1
+ # expect no output
+ sed 's/.*WARNING: You are not superuser.*//;/^$/d' out > k && mv k out || fail=1
+ compare out /dev/null || fail=1
+
+ parted -s $dev p || fail=1
+ rm -f $dev
+
+done
+
+Exit $fail