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#!/bin/sh
# Ensure that d_ino (from ls -di) and st_ino (from stat --format=%i) match.
# 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
ls --version
fi
. $srcdir/../envvar-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
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
fail=0
root_dev_ino=`stat --format=%d-%i /`
t=`pwd`
while :; do
ls -i1 "$t" > tmp
if test $? = 0; then
# Extract the inode number from the first line of output from ls -i1.
# This value comes from dirent.d_ino, on systems with d_ino support.
d_ino=`sed -n '1s/^ *\([0-9][0-9]*\) .*/\1/p;q' tmp`
# Extract the name of the corresponding directory entry.
file=`sed -n '1s/^ *[0-9][0-9]* *//p;q' tmp`
# Get its inode number (stat.st_ino) via stat(1)'s call to lstat.
st_ino=`stat --format=%i "$t/$file"`
# Make sure that they are the same.
# We know from experience that there may be mismatches on some
# buggy file systems, at mount points.
if test "$d_ino" != "$st_ino"; then
echo "$0: test failed: $t/$file: d_ino($d_ino) != st_ino($st_ino)
This may indicate a flaw in your kernel or file system implementation.
The flaw isn't serious for coreutils, but it might break other tools,
so you should report it to your operating system vendor." 1>&2
# This test fails too often, and we don't want to be distracted
# with reports, since the code that could be affected by the losing
# behavior (pwd and getcwd) works around any mismatch.
# So do continue to issue the warning, but don't count it as a
# real failure.
# fail=1
break
fi
fi
t=`(cd "$t/.."; pwd)`
dev_ino=`stat --format=%d-%i "$t"`
test $dev_ino = $root_dev_ino && break
done
(exit $fail); exit $fail
|
