xref: /illumos-gate/usr/src/cmd/isalist/isalist.c (revision 7c478bd9)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <stdio.h>
30 #include <sys/types.h>
31 #include <stdlib.h>
32 #include <errno.h>
33 #include <sys/systeminfo.h>
34 
35 /*ARGSUSED*/
36 int
main(int argc,char * argv[])37 main(int argc, char *argv[])
38 {
39 
40 	char buffer[BUFSIZ];
41 	char *buf = buffer;
42 	int ret = 0;
43 	size_t bufsize = BUFSIZ;
44 
45 	ret = sysinfo(SI_ISALIST, buf, bufsize);
46 	if (ret == -1) {
47 			perror("isalist");
48 			exit(1);
49 	} else if (ret > bufsize) {
50 
51 		/* We lost some because our buffer wasn't big enuf */
52 		buf = malloc(bufsize = ret);
53 		if (buf == NULL) {
54 			errno = ENOMEM;
55 			perror("isalist");
56 			exit(1);
57 		}
58 		ret = sysinfo(SI_ISALIST, buf, bufsize);
59 		if (ret == -1) {
60 			perror("isalist");
61 			exit(1);
62 		}
63 	}
64 	(void) printf("%s\n", buf);
65 	return (0);
66 
67 
68 }
69