2 # Make sure stty can parse most of its options.
4 # Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006 Free
5 # Software Foundation, Inc.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 if test "$VERBOSE" = yes; then
27 # Make sure there's a tty on stdin.
28 . $srcdir/../input-tty
30 # The following list of reversible options was generated with
31 # grep -w REV stty.c|sed -n '/^ {"/{s//REV_/;s/".*/=1/;p;}'|fmt
32 REV_parenb=1 REV_parodd=1 REV_hupcl=1 REV_hup=1 REV_cstopb=1 REV_cread=1
33 REV_clocal=1 REV_crtscts=1 REV_ignbrk=1 REV_brkint=1 REV_ignpar=1
34 REV_parmrk=1 REV_inpck=1 REV_istrip=1 REV_inlcr=1 REV_igncr=1 REV_icrnl=1
35 REV_ixon=1 REV_ixoff=1 REV_tandem=1 REV_iuclc=1 REV_ixany=1 REV_imaxbel=1
36 REV_opost=1 REV_olcuc=1 REV_ocrnl=1 REV_onlcr=1 REV_onocr=1 REV_onlret=1
37 REV_ofill=1 REV_ofdel=1 REV_isig=1 REV_icanon=1 REV_iexten=1 REV_echo=1
38 REV_echoe=1 REV_crterase=1 REV_echok=1 REV_echonl=1 REV_noflsh=1
39 REV_xcase=1 REV_tostop=1 REV_echoprt=1 REV_prterase=1 REV_echoctl=1
40 REV_ctlecho=1 REV_echoke=1 REV_crtkill=1 REV_evenp=1 REV_parity=1
41 REV_oddp=1 REV_nl=1 REV_cooked=1 REV_raw=1 REV_pass8=1 REV_litout=1
42 REV_cbreak=1 REV_decctlq=1 REV_tabs=1 REV_lcase=1 REV_LCASE=1
46 saved_state=.saved-state
47 stty --save > $saved_state || fail=1
48 stty `cat $saved_state` || fail=1
50 # This would segfault prior to sh-utils-2.0j.
51 stty erase - || fail=1
53 # These would improperly ignore invalid options through coreutils 5.2.1.
54 stty -F 2>/dev/null && fail=1
55 stty -raw -F no/such/file 2>/dev/null && fail=1
56 stty -raw -a 2>/dev/null && fail=1
58 # Build a list of all boolean options stty accepts on this system.
59 # Don't depend on terminal width. Put each option on its own line,
60 # remove all non-boolean ones, then remove any leading hyphens.
61 sed_del='/^speed/d;/^rows/d;/^columns/d;/ = /d'
62 options=`stty -a | tr -s ';' '\n' | sed "s/^ //;$sed_del;s/-//g"`
64 # Take them one at a time, with and without the leading `-'.
65 for opt in $options; do
66 # `stty parenb' and `stty -parenb' fail with this message
67 # stty: standard input: unable to perform all requested operations
68 # on Linux 2.2.0-pre4 kernels, so skip those tests.
69 test $opt = parenb && continue
72 # Likewise, `stty -cread' would fail, so skip that, too.
73 test $opt = cread && continue
74 rev=`eval echo "\\\$REV_$opt"`
75 if test -n "$rev"; then
76 stty -$opt || { fail=1; echo -$opt; }
80 if test -n "$RUN_LONG_TESTS"; then
82 for opt1 in $options; do
84 for opt2 in $options; do
86 stty $opt1 $opt2 || fail=1
88 rev1=`eval echo "\\\$REV_$opt1"`
89 rev2=`eval echo "\\\$REV_$opt2"`
90 if test -n "$rev1"; then
91 stty -$opt1 $opt2 || fail=1
93 if test -n "$rev2"; then
94 stty $opt1 -$opt2 || fail=1
96 if test "$rev1$rev2" = 11; then
97 stty -$opt1 -$opt2 || fail=1
103 stty `cat $saved_state`