hostid.c revision 5679c89fcd2facbb4334df8870d3d7a4d2b11673
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/systeminfo.h>
int
main(void)
{
long hostval;
if ((unsigned int)(hostval = gethostid()) == HW_INVALID_HOSTID) {
(void) fprintf(stderr, "bad hostid format\n");
exit(1);
}
(void) printf("%08lx\n", (unsigned long)hostval);
return (0);
}