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#!/bin/sh
# Prior to coreutils-6.5, an inaccessible destination dir (chmod a-x)
# would cause du to exit prematurely on systems with native openat support.
# Copyright (C) 2006 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
du --version
fi
. $srcdir/../envvar-check
. $srcdir/../lang-default
PRIV_CHECK_ARG=require-non-root . $srcdir/../priv-check
pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
trap '(exit $?); exit $?' 1 2 13 15
framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1
mkdir f && cd f && mkdir a b c d e && touch c/j && chmod a-x c \
|| framework_failure=1
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
fail=0
du > ../t 2>&1 && fail=1
# Accept either of the following outputs.
# You get the first from a system with openat _emulation_ (via /proc),
# the second from a system with native openat support.
# FIXME: there may well be a third output, for systems with neither
# /proc support, nor native openat support.
sed 's/^[0-9][0-9]* //' ../t | sort -u > out
cat <<\EOF > exp || fail=1
.
./a
./b
./d
./e
du: `./c': Permission denied
EOF
cat <<\EOF > exp2 || fail=1
.
./a
./b
./c
./d
./e
du: cannot access `./c/j': Permission denied
EOF
cmp out exp > /dev/null 2>&1 || {
cmp out exp2 || fail=1
}
test $fail = 1 && diff out exp 2> /dev/null
(exit $fail); exit $fail
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