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#!/bin/sh
# Exercise a DFA range bug that arises only with a unibyte encoding
# for which the wide-char-to-single-byte mapping is nontrivial.
# E.g., the regexp, [C] would fail to match C in a unibyte locale like
# ru_RU.KOI8-R for any C whose wide-char representation differed from
# its single-byte equivalent.
# Copyright (C) 2011-2021 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 <https://www.gnu.org/licenses/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
require_ru_RU_koi8_r
LC_ALL=ru_RU.KOI8-R
export LC_ALL
fail=0
i=128
while :; do
in=in-$i
octal=$(printf '%03o' $i)
b=$(printf "\\$octal")
echo "$b" > $in || framework_failure_
grep "[$b]" $in > out || fail=1
compare out $in || fail=1
test $i = 255 && break
i=$(expr $i + 1)
done
Exit $fail
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