mirror of
https://github.com/coreutils/coreutils.git
synced 2025-01-06 08:03:25 +08:00
81 lines
2.4 KiB
Bash
Executable File
81 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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if test "$VERBOSE" = yes; then
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set -x
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stty --version
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fi
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# Make sure there's a tty on stdin.
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. $srcdir/../input-tty
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# The following list of reversible options was generated with
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# grep -w REV stty.c|sed -n '/^ {"/{s//REV_/;s/".*/=1/;p;}'|fmt
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REV_parenb=1 REV_parodd=1 REV_hupcl=1 REV_hup=1 REV_cstopb=1 REV_cread=1
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REV_clocal=1 REV_crtscts=1 REV_ignbrk=1 REV_brkint=1 REV_ignpar=1
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REV_parmrk=1 REV_inpck=1 REV_istrip=1 REV_inlcr=1 REV_igncr=1 REV_icrnl=1
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REV_ixon=1 REV_ixoff=1 REV_tandem=1 REV_iuclc=1 REV_ixany=1 REV_imaxbel=1
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REV_opost=1 REV_olcuc=1 REV_ocrnl=1 REV_onlcr=1 REV_onocr=1 REV_onlret=1
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REV_ofill=1 REV_ofdel=1 REV_isig=1 REV_icanon=1 REV_iexten=1 REV_echo=1
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REV_echoe=1 REV_crterase=1 REV_echok=1 REV_echonl=1 REV_noflsh=1
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REV_xcase=1 REV_tostop=1 REV_echoprt=1 REV_prterase=1 REV_echoctl=1
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REV_ctlecho=1 REV_echoke=1 REV_crtkill=1 REV_evenp=1 REV_parity=1
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REV_oddp=1 REV_nl=1 REV_cooked=1 REV_raw=1 REV_pass8=1 REV_litout=1
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REV_cbreak=1 REV_decctlq=1 REV_tabs=1 REV_lcase=1 REV_LCASE=1
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fail=0
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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 -
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# Build a list of all boolean options stty accepts on this system.
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options=`stty -a|tail +2|tr ';' '\012'|sed '/ = /d;s/^ //;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, so skip those tests.
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test $opt = parenb && continue
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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 $opt = cread && continue
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rev=`eval echo "\\\$REV_$opt"`
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if test -n "$rev"; then
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stty -$opt || { fail=1; echo -$opt; }
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fi
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done
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if test -n "$RUN_LONG_TESTS"; then
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# Take them in pairs.
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for opt1 in $options; do
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echo .|tr -d '\012'
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for opt2 in $options; do
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stty $opt1 $opt2 || fail=1
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rev1=`eval echo "\\\$REV_$opt1"`
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rev2=`eval echo "\\\$REV_$opt2"`
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if test -n "$rev1"; then
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stty -$opt1 $opt2 || fail=1
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fi
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if test -n "$rev2"; then
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stty $opt1 -$opt2 || fail=1
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fi
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if test "$rev1$rev2" = 11; then
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stty -$opt1 -$opt2 || fail=1
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fi
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done
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done
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fi
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stty `cat $saved_state`
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rm -f $saved_state
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exit $fail
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