#!/bin/sh
# Trigger a heap-clobbering bug in ptx from coreutils-6.10 and earlier.

# Copyright (C) 2008-2009 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/>.

if test "$VERBOSE" = yes; then
  set -x
  ptx --version
fi

. $srcdir/test-lib.sh

# Using a long file name makes an abort more likely.
# Even with no file name, valgrind detects the buffer overrun.
f=01234567890123456789012345678901234567890123456789
touch $f empty || framework_failure

fail=0

# Specifying a regular expression ending in a lone backslash
# would cause ptx to write beyond the end of a malloc'd buffer.
ptx -F '\'      $f < /dev/null  > out || fail=1
ptx -S 'foo\'   $f < /dev/null >> out || fail=1
ptx -W 'bar\\\' $f < /dev/null >> out || fail=1
compare out empty || fail=1

Exit $fail
