/*      $NetBSD: getdomainname.c,v 1.3 1995/06/16 07:36:03 jtc Exp $    */

/*
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)gethostname.c       8.1 (Berkeley) 6/4/93";
#else
static char rcsid[] = "$NetBSD: getdomainname.c,v 1.3 1995/06/16 07:36:03 jtc Exp $";
#endif
#endif /* LIBC_SCCS and not lint */

#define _KERNEL
#include "ixnet.h"
#include <sys/types.h>
#include <sys/param.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#undef isspace

static int tcp_getdomainname(char *domainname, int dsize)
{
    char *dn, hname[MAXHOSTNAMELEN+1];

    gethostname(hname, MAXHOSTNAMELEN);

    if ((dn = strchr(hname, '.')) != NULL) {
	strncpy(domainname, dn+1, dsize-1);
    } else {
	strncpy(domainname, hname, dsize-1);
    }
    domainname[dsize-1] = '\0';
    return 0;
}

int
getdomainname(name, namelen)
	char *name;
	int namelen;
{
    usetup;
    register struct ixnet *p = (struct ixnet *)u.u_ixnet;

    switch (p->u_networkprotocol) {
	case IX_NETWORK_AMITCP:
	    return tcp_getdomainname(name, namelen);

	default: /*case IX_NETWORK_AS225:*/
	    return SOCK_getdomainname(name, namelen);
    }
}