/* @(#)gethostid.c	1.14 01/03/04 Copyright 1995 J. Schilling */
#ifndef lint
static	char sccsid[] =
	"@(#)gethostid.c	1.14 01/03/04 Copyright 1995 J. Schilling";
#endif
/*
 *	Copyright (c) 1995 J. Schilling
 */
/*
 * 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, 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <mconfig.h>
#include <standard.h>
#include <stdxlib.h>
#include <utypes.h>
#ifdef	HAVE_SYS_SYSTEMINFO_H
#include <sys/systeminfo.h>
#endif
#include <libport.h>

#ifndef	HAVE_GETHOSTID
EXPORT	long	gethostid	__PR((void));
#endif


#if	!defined(HAVE_GETHOSTID)

#if	defined(SI_HW_SERIAL)

EXPORT long
gethostid()
{
	long	id;

	char	hbuf[257];
	sysinfo(SI_HW_SERIAL, hbuf, sizeof(hbuf));
	id = atoi(hbuf);
	return (id);
}
#else

#include <errno.h>
EXPORT long
gethostid()
{
	long	id = -1L;

#ifdef	ENOSYS
	seterrno(ENOSYS);
#else
	seterrno(EINVAL);
#endif
	return (id);
}
#endif

#endif
