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git://git.sv.gnu.org/coreutils.git
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Jim Meyering
1f3e964802
* tests/check.mk (TESTS_ENVIRONMENT): Source lang-default here, ... ... rather than in each of 100+ test scripts. * tests/chgrp/basic: * tests/chgrp/no-x: * tests/chmod/c-option: * tests/chmod/no-x: * tests/chmod/setgid: * tests/chmod/thru-dangling: * tests/chmod/umask-x: * tests/chmod/usage: * tests/chown/basic: * tests/chown/deref: * tests/chown/preserve-root: * tests/cp/abuse: * tests/cp/acl: * tests/cp/backup-is-src: * tests/cp/cp-a-selinux: * tests/cp/cp-i: * tests/cp/cp-mv-backup: * tests/cp/deref-slink: * tests/cp/fail-perm: * tests/cp/into-self: * tests/cp/link-preserve: * tests/cp/preserve-gid: * tests/cp/same-file: * tests/cp/slink-2-slink: * tests/cp/special-f: * tests/cp/symlink-slash: * tests/cp/thru-dangling: * tests/du/basic: * tests/du/hard-link: * tests/du/inacc-dest: * tests/du/long-sloop: * tests/du/no-x: * tests/install/basic-1: * tests/ln/hard-backup: * tests/ln/sf-1: * tests/ls/file-type: * tests/ls/infloop: * tests/ls/nameless-uid: * tests/ls/rt-1: * tests/ls/stat-failed: * tests/ls/symlink-slash: * tests/ls/x-option: * tests/misc/chcon: * tests/misc/chcon-fail: * tests/misc/csplit: * tests/misc/df-P: * tests/misc/groups-dash: * tests/misc/groups-version: * tests/misc/nohup: * tests/misc/printf-surprise: * tests/misc/runcon-no-reorder: * tests/misc/selinux: * tests/misc/split-a: * tests/misc/split-fail: * tests/misc/tac-continue: * tests/misc/wc-files0: * tests/mkdir/p-v: * tests/mkdir/selinux: * tests/mv/acl: * tests/mv/backup-dir: * tests/mv/backup-is-src: * tests/mv/childproof: * tests/mv/diag: * tests/mv/dir2dir: * tests/mv/dup-source: * tests/mv/force: * tests/mv/hard-link-1: * tests/mv/hard-verbose: * tests/mv/i-2: * tests/mv/i-3: * tests/mv/i-4: * tests/mv/i-5: * tests/mv/i-link-no: * tests/mv/into-self: * tests/mv/into-self-2: * tests/mv/into-self-3: * tests/mv/mv-special-1: * tests/mv/part-fail: * tests/mv/part-symlink: * tests/mv/partition-perm: * tests/mv/perm-1: * tests/mv/reply-no: * tests/mv/sticky-to-xpart: * tests/mv/update: * tests/rm/cycle: * tests/rm/dir-no-w: * tests/rm/dir-nonrecur: * tests/rm/fail-2eperm: * tests/rm/fail-eacces: * tests/rm/inaccessible: * tests/rm/interactive-always: * tests/rm/interactive-once: * tests/rm/isatty: * tests/rm/one-file-system: * tests/rm/r-1: * tests/rm/r-2: * tests/rm/rm1: * tests/rm/rm2: * tests/rm/rm3: * tests/rm/rm4: * tests/rm/rm5: * tests/rm/unread2: * tests/rm/v-slash: * tests/touch/fail-diag: * tests/touch/not-owner:
78 lines
2.3 KiB
Bash
Executable File
78 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# Use du to exercise a corner of fts's FTS_LOGICAL code.
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# Show that du fails with ELOOP (Too many levels of symbolic links)
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# when it encounters that condition.
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# Copyright (C) 2006-2008 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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if test "$VERBOSE" = yes; then
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set -x
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du --version
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fi
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. $top_srcdir/tests/test-lib.sh
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# Create lots of directories, each containing a single symlink
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# pointing at the next directory in the list.
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# This number should be larger than the number of symlinks allowed in
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# file name resolution, but not too large as a number of entries
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# in a single directory.
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n=400
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dir_list=`seq $n`
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mkdir $dir_list || framework_failure
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file=1
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i_minus_1=0
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for i in $dir_list `expr $n + 1`; do
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case $i_minus_1 in
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0) ;;
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*)
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ln -s ../$i $i_minus_1/s || framework_failure
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file=$file/s;;
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esac
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i_minus_1=$i
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done
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echo foo > $i
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# If a system can handle this many symlinks in a file name,
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# just skip this test.
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# The following also serves to record in `err' the string
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# corresponding to strerror (ELOOP). This is necessary because while
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# Linux/libc gives `Too many levels of symbolic links', Solaris
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# renders it as `Number of symbolic links encountered during path
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# name traversal exceeds MAXSYMLINKS'.
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cat $file > /dev/null 2> err &&
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skip_test_ 'Your system appears to be able to handle more than $n symlinks
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in file name resolution'
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too_many=`sed 's/.*: //' err`
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fail=0
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# With coreutils-5.93 there was no failure.
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# With coreutils-5.94 we get the desired diagnostic:
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# du: cannot access `1/s/s/s/.../s': Too many levels of symbolic links
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du -L 1 > /dev/null 2> out1 && fail=1
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sed "s, .1/s/s/s/[/s]*',," out1 > out || fail=1
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echo "du: cannot access: $too_many" > exp || fail=1
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compare out exp || fail=1
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(exit $fail); exit $fail
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