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build-aux/update-copyright
58 lines
1.8 KiB
Bash
Executable File
58 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that du does not rely on narrow types like size_t for
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# file sizes or sums.
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# Copyright (C) 2003, 2005-2010 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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. $srcdir/test-lib.sh
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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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if test $? != 0; then
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skip_test_ '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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fi
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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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set x `ls -gG big`
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size=$4
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if test "$size" = 0; then
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skip_test_ "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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fi
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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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cat <<\EOF > exp
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8589934592 big
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EOF
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compare out exp || fail=1
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Exit $fail
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