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# Ensure that du does not rely on narrow types like size_t for
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# Copyright (C) 2003-2012 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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require_sparse_support_
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dd bs=1 seek=8G of=big < /dev/null 2> /dev/null
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skip_ 'cannot create a file large enough for this test; possibly
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because file offsets are only 32 bits on this file system'
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# FIXME: this should be a test of dd.
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# On some systems (at least linux-2.4.18 + NFS to disks on a Solaris system)
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# the 'dd' command above mistakenly creates a file of length '0', yet
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# doesn't fail. The root of that failure is that the ftruncate call
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# returns zero but doesn't do its job. Detect this failure.
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if test "$size" = 0; then
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skip_ "cannot create a file large enough for this test
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possibly because this system's NFS support is buggy
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Consider rerunning this test on a different file system."
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# This would print '0 big' with coreutils-4.5.8.
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du -ab big > out || fail=1
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compare exp out || fail=1