lib/home.cc

Go to the documentation of this file.

//
// nis-util - NIS Administration Utilities
// Copyright (C) 2012 Peter Miller
//
// 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, see <http://www.gnu.org/licenses/>.
//

#include <lib/ac/stdlib.h>
#include <libexplain/output.h>

#include <lib/home.h>


rcstring
home(void)
{
    const char *s = getenv("HOME");
    if (!s)
    {
        explain_output_error_and_die
        (
            "the HOME environment variable is not set"
        );
    }
    if (!*s)
    {
        explain_output_error_and_die
        (
            "the HOME environment variable is empty"
        );
    }
    if (*s != '/')
    {
        explain_output_error_and_die
        (
            "the HOME environment variable is not an absolute path"
        );
    }
    return s;
}


// vim: set ts=8 sw=4 et :