/* Local domain functions                                    -*- mfl -*-
   Copyright (C) 2009-2020 Sergey Poznyakoff

   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, 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/>. */

module 'localdomain'.

func localdomain()
  returns string
do
  string s getdomainname()
  if s == "" or s == "(none)"
    string h gethostname(1)
    number i index(h, ".")
    if h >= 0
      set s substr(h, i + 1)
    fi
  fi
  return s
done