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# Ensure that the size of a long-named-symlink is > 0.
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# Copyright (C) 2002-2012 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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# Determine if '.' is on a local (would non-NFS be sufficient?) file system.
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# At least on OSF/1 4.0d, when using an nfsv3 file system,
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# each created symlink can end up having a size of 0.
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if df --type=xfs . >/dev/null 2>&1; then
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# At least on Irix-6.5.19, when using an xfs file system,
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# each created symlink (name lengths up to 255) would have a size of '0'.
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skip_ "'.' is on an XFS file system"
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symlink_name_lengths='1 15 16 31 32 59 60 63 64 127 128 255 256 511 512 1024'
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for len in $symlink_name_lengths; do
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name=$(seq 1 $len|tr -c x y |head -c$len)
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# Record the names of symlinks that are successfully created.
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ln -fs $name $len > /dev/null 2>&1 \
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&& symlinks="$symlinks $len"
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du -a $symlinks > out || fail=1
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# Require that at least one of these symlinks has a non-zero size.
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grep '^[1-9]' out > /dev/null || fail=1
added
removed
tests/du/slink.sh
