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coreutils/tests/ls/stat-vs-dirent
Jim Meyering 9d6231ef2a maint: update all copyright year number ranges
Run "make update-copyright".
2011-01-01 22:16:47 +01:00

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#!/bin/sh
# Ensure that d_ino (from ls -di) and st_ino (from stat --format=%i) match.
# Copyright (C) 2006-2011 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/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ ls
root_dev_ino=`stat --format=%d-%i /`
t=`pwd`
while :; do
ls -i1 "$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.
# Note that when a directory contains only entries whose names
# start with ".", d_ino and file will both be empty. In that case,
# skip the test.
if test -n "$d_ino" && test "$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
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