/*
 *      dnsutl - utilities to make DNS easier to configure
 *      Copyright (C) 1999, 2006, 2007 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 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/>.
 */

#include <map_hosts.h>

#include <map.h>
#include <map_hosts.h>
#include <mem.h>
#include <srrf/address.h>


map_host_t *
map_host_new(void)
{
    map_host_t      *this;

    this = mem_alloc(sizeof(map_host_t));
    this->address = 0;
    strlist_zero(&this->name);
    return this;
}


void
map_host_delete(map_host_t * this)
{
    if (this->address)
    {
        str_free(this->address);
        this->address = 0;
    }
    strlist_free(&this->name);
    mem_free(this);
}


void
map_host_open(const char *fn)
{
    map_open(fn);
}


void
map_host_close(void)
{
    map_close();
}


map_host_t *
map_host_read(void)
{
    strlist_ty      sl;
    map_host_t      *this;
    size_t          j;

    for (;;)
    {
        if (!map_read(&sl))
            return 0;
        if (sl.nstrings < 2)
        {
            map_error("hosts entries require at least 2 strings");
            strlist_free(&sl);
            continue;
        }
        break;
    }

    this = map_host_new();
    this->address = srrf_address_cannonicalize(sl.string[0]);
    if (!this->address)
    {
        map_error
        (
            "the string \"%s\" is not a legal IP address",
            sl.string[0]->str_text
        );
        this->address = str_copy(sl.string[0]);
    }
    for (j = 1; j < sl.nstrings; ++j)
        strlist_append(&this->name, sl.string[j]);
    strlist_free(&sl);
    return this;
}