#!/usr/bin/perl

# Copyright (C) 2018-2023 X2Go Project - https://wiki.x2go.org
#
# 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 2 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, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

use strict;
use warnings;

use X2Go::Utils qw (is_int);

my $value = shift;
my $allow_negative = shift;

if (!(defined ($value))) {
  print {*STDERR} "No value passed in, assuming empty string.\n";
  $value = q{};
}

if (!(defined ($allow_negative))) {
  $allow_negative = 0;
}

exit is_int ($value);
