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275c078fb4
Run "make update-copyright", but then also run this, perl -pi -e 's/2\d\d\d-//' tests/sample-test to make that one script use the single most recent year number.
72 lines
2.4 KiB
Bash
Executable File
72 lines
2.4 KiB
Bash
Executable File
#! /bin/sh
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# Make sure stty can parse most of its options.
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# Copyright (C) 1998-2014 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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# Make sure there's a tty on stdin.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ stty
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require_controlling_input_terminal_
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trap '' TTOU # Ignore SIGTTOU
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# Get the reversible settings from stty.c.
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stty_reversible_init_
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saved_state=.saved-state
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stty --save > $saved_state || fail=1
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stty $(cat $saved_state) || fail=1
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# This would segfault prior to sh-utils-2.0j.
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stty erase - || fail=1
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# These would improperly ignore invalid options through coreutils 5.2.1.
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stty -F 2>/dev/null && fail=1
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stty -raw -F no/such/file 2>/dev/null && fail=1
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stty -raw -a 2>/dev/null && fail=1
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# Build a list of all boolean options stty accepts on this system.
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# Don't depend on terminal width. Put each option on its own line,
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# remove all non-boolean ones, then remove any leading hyphens.
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sed_del='/^speed/d;/^rows/d;/^columns/d;/ = /d'
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options=$(stty -a | tr -s ';' '\n' | sed "s/^ //;$sed_del;s/-//g")
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# Take them one at a time, with and without the leading '-'.
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for opt in $options; do
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# 'stty parenb' and 'stty -parenb' fail with this message
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# stty: standard input: unable to perform all requested operations
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# on Linux 2.2.0-pre4 kernels. Also since around Linux 2.6.30
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# other serial control settings give the same error. So skip them.
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# Also on ppc*|sparc* glibc platforms 'icanon' gives the same error.
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# See: http://debbugs.gnu.org/7228#14
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case $opt in
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parenb|parodd|cmspar) continue;;
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cstopb|crtscts|cdtrdsr|icanon) continue;;
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esac
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stty $opt || fail=1
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# Likewise, 'stty -cread' would fail, so skip that, too.
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test $opt = cread && continue
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if stty_reversible_query_ "$opt" ; then
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stty -$opt || { fail=1; echo -$opt; }
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fi
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done
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stty $(cat $saved_state)
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Exit $fail
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