sync code with last improvements from OpenBSD
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88965415ff
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149
app/xterm/uxterm
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149
app/xterm/uxterm
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#!/bin/sh
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# $XTermId: uxterm,v 1.29 2020/03/07 15:52:31 tom Exp $
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# -----------------------------------------------------------------------------
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# this file is part of xterm
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#
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# Copyright 2001-2007,2020 by Thomas E. Dickey
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#
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# All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name(s) of the above copyright
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# holders shall not be used in advertising or otherwise to promote the
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# sale, use or other dealings in this Software without prior written
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# authorization.
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# -----------------------------------------------------------------------------
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#
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# wrapper script to setup xterm with UTF-8 locale
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whoami=uxterm
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: "${XTERM_PROGRAM=xterm}"
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# Check if there is a workable locale program. If there is not, we will read
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# something via the standard error. Ignore whatever is written to the
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# standard output.
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locale=`sh -c "LC_ALL=C LC_CTYPE=C LANG=C locale >/dev/null" 2>&1`
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found=no
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# Check for -version and -help options, to provide a simple return without
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# requiring the program to create a window:
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if test $# = 1
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then
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case $1 in
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-v|-ver*|-h|-he*)
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$XTERM_PROGRAM "$@"
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exit $?
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;;
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esac
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fi
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# Check environment variables that might be used for encoding:
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for name in LC_ALL LC_CTYPE LANG
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do
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eval 'value=$'$name
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if test -n "$value" ; then
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case $value in
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*.utf8|*.UTF8|*.utf-8|*.UTF-8)
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found=yes
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;;
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*.utf8@*|*.UTF8@*|*.utf-8@*|*.UTF-8@*)
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found=yes
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;;
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*)
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value="" # ignore
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continue # keep trying
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;;
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esac
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break
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fi
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done
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# If we didn't find one that used UTF-8, modify the safest one. Not everyone
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# has a UTF-8 locale installed (and there appears to be no trivial/portable way
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# to determine whether it is, from a shell script). We could check if the
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# user's shell does not reset unknown locale specifiers, but not all shells do.
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if test $found != yes ; then
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if test -n "$value" ; then
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value=`echo ${value} |sed -e 's/[.@].*//'`.UTF-8
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else
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expect=
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for name in LC_ALL LC_CTYPE LANG
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do
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eval 'check=$'$name
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if test -n "$check"
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then
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expect=`echo "$check" | sed -e 's/[.@].*$//'`
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test -n "$expect" && break
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fi
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done
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if test -z "$expect" ; then
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name="LC_CTYPE"
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expect="en_US"
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fi
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value=`locale -a | awk -v "expect=$expect" 'BEGIN {
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exact=""
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maybe=""
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}
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/[.](utf|UTF)[-]?8(@.*)?$/ {
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if (index($0, "C.") == 1) {
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maybe=$0;
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}
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if (index($0, expect ".") == 1) {
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exact=$0;
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}
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}
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END {
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if ( exact != "" ) {
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print exact;
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} else if ( maybe != "" ) {
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print maybe;
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} else {
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print "";
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}
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}
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'`
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test -z "$value" && value="en_US.UTF-8"
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fi
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eval save=\$${name}
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eval ${name}=${value}
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eval export ${name}
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if test -z "$locale" ; then
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# The 'locale' program tries to do a sanity check.
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check=`sh -c "locale >/dev/null" 2>&1`
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if test -n "$check" ; then
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eval ${name}="${save}"
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eval export ${name}
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echo "$whoami tried to use locale $value by setting \$$name" >&2
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xmessage -file - <<EOF
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$whoami tried unsuccessfully to use locale $value
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by setting \$$name to "${value}".
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EOF
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exit 1
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fi
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fi
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fi
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# for testing:
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#test -f ./xterm && XTERM_PROGRAM=./xterm
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exec "$XTERM_PROGRAM" -class UXTerm -title "$whoami" -u8 "$@"
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