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Pádraig Brady
e0afeb0099
Run "make update-copyright" and then... * tests/sample-test: Adjust to use the single most recent year. * tests/du/bind-mount-dir-cycle-v2.sh: Fix case in copyright message, so that year is updated automatically in future.
50 lines
1.5 KiB
Bash
Executable File
50 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# verify that od --endian works properly
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# Copyright (C) 2014-2015 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ od
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in='0123456789abcdef'
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NL='
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'
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# rev(1) is not generally available, so here's a simplistic
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# implementation sufficient for our purposes.
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rev() {
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while read line; do
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printf '%s' "$line" | sed "s/./&\\$NL/g" | tac | paste -s -d ''
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done
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}
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in_swapped() { printf '%s' "$in" | sed "s/.\{$1\}/&\\$NL/g" | rev |tr -d '\n'; }
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for e in little big; do
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test $e = little && eo=big || eo=little
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for s in 1 2 4 8 16; do
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for t in x f; do
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od -t $t$s --endian=$e /dev/null > /dev/null 2>&1 || continue
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printf '%s' "$in" | od -An -t $t$s --endian=$e > out1
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in_swapped "$s" | od -An -t $t$s --endian=$eo > out2
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compare out1 out2 || fail=1
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done
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done
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done
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Exit $fail
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