xref: /titanic_51/usr/src/cmd/isalist/isalist.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate #include <stdio.h>
30*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
31*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
32*7c478bd9Sstevel@tonic-gate #include <errno.h>
33*7c478bd9Sstevel@tonic-gate #include <sys/systeminfo.h>
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/
36*7c478bd9Sstevel@tonic-gate int
37*7c478bd9Sstevel@tonic-gate main(int argc, char *argv[])
38*7c478bd9Sstevel@tonic-gate {
39*7c478bd9Sstevel@tonic-gate 
40*7c478bd9Sstevel@tonic-gate 	char buffer[BUFSIZ];
41*7c478bd9Sstevel@tonic-gate 	char *buf = buffer;
42*7c478bd9Sstevel@tonic-gate 	int ret = 0;
43*7c478bd9Sstevel@tonic-gate 	size_t bufsize = BUFSIZ;
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate 	ret = sysinfo(SI_ISALIST, buf, bufsize);
46*7c478bd9Sstevel@tonic-gate 	if (ret == -1) {
47*7c478bd9Sstevel@tonic-gate 			perror("isalist");
48*7c478bd9Sstevel@tonic-gate 			exit(1);
49*7c478bd9Sstevel@tonic-gate 	} else if (ret > bufsize) {
50*7c478bd9Sstevel@tonic-gate 
51*7c478bd9Sstevel@tonic-gate 		/* We lost some because our buffer wasn't big enuf */
52*7c478bd9Sstevel@tonic-gate 		buf = malloc(bufsize = ret);
53*7c478bd9Sstevel@tonic-gate 		if (buf == NULL) {
54*7c478bd9Sstevel@tonic-gate 			errno = ENOMEM;
55*7c478bd9Sstevel@tonic-gate 			perror("isalist");
56*7c478bd9Sstevel@tonic-gate 			exit(1);
57*7c478bd9Sstevel@tonic-gate 		}
58*7c478bd9Sstevel@tonic-gate 		ret = sysinfo(SI_ISALIST, buf, bufsize);
59*7c478bd9Sstevel@tonic-gate 		if (ret == -1) {
60*7c478bd9Sstevel@tonic-gate 			perror("isalist");
61*7c478bd9Sstevel@tonic-gate 			exit(1);
62*7c478bd9Sstevel@tonic-gate 		}
63*7c478bd9Sstevel@tonic-gate 	}
64*7c478bd9Sstevel@tonic-gate 	(void) printf("%s\n", buf);
65*7c478bd9Sstevel@tonic-gate 	return (0);
66*7c478bd9Sstevel@tonic-gate 
67*7c478bd9Sstevel@tonic-gate 
68*7c478bd9Sstevel@tonic-gate }
69