#!/bin/sh # Make sure stty can parse most of its options - in pairs [expensive]. # Copyright (C) 1998-2017 Free Software Foundation, Inc. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src print_ver_ stty expensive_ # Make sure there's a tty on stdin. require_controlling_input_terminal_ require_trap_signame_ trap '' TTOU # Ignore SIGTTOU # Get the reversible settings from stty.c. stty_reversible_init_ saved_state=.saved-state stty --save > $saved_state || fail=1 stty $(cat $saved_state) || fail=1 # Build a list of all boolean options stty accepts on this system. # Don't depend on terminal width. Put each option on its own line, # remove all non-boolean ones, remove 'parenb' and 'cread' explicitly, # then remove any leading hyphens. sed_del='/^speed/d;/^rows/d;/^columns/d;/ = /d;s/parenb//;s/cread//' options=$(stty -a | tr -s ';' '\n' | sed "s/^ //;$sed_del;s/-//g") # Take them in pairs, with and without the leading '-'. for opt1 in $options; do for opt2 in $options; do stty $opt1 $opt2 || fail=1 if stty_reversible_query_ "$opt1" ; then stty -$opt1 $opt2 || fail=1 fi if stty_reversible_query_ "$opt2" ; then stty $opt1 -$opt2 || fail=1 fi if stty_reversible_query_ "$opt1" \ && stty_reversible_query_ "$opt2" ; then stty -$opt1 -$opt2 || fail=1 fi done done stty $(cat $saved_state) Exit $fail