#!/bin/sh

# Trigger a bug in the DFA matcher.

# This would fail for grep-2.20.

# Copyright 2014-2017 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 <http://www.gnu.org/licenses/>.

. "${srcdir=.}/init.sh"; path_prepend_ ../src

printf 'a\naa\n' > in || framework_failure_

printf 'aa\n' > exp || framework_failure_

fail=0

for LOC in en_US.UTF-8 en_US zh_CN $LOCALE_FR_UTF8 C; do

  out1=out1-$LOC

  LC_ALL=$LOC grep '..' in > out || fail=1

  compare exp out || fail=1

done

Exit $fail