#!/bin/sh
# ensure that df can handle an unreadable argument

# Copyright (C) 2009-2023 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 <https://www.gnu.org/licenses/>.

. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ df
skip_if_root_

touch unreadable || fail=1
chmod a-r unreadable || fail=1
df unreadable || fail=1

mkfifo_or_skip_ fifo
timeout 10 df fifo || fail=1

test "$fail" = 1 && dump_mount_list_

Exit $fail