xref: /titanic_41/usr/src/uts/common/syscall/uname.c (revision 0f1702c5201310f0529cd5abb77652e5e9b241b6)
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 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved	*/
29 
30 
31 #pragma ident	"%Z%%M%	%I%	%E% SMI"
32 
33 #include <sys/param.h>
34 #include <sys/types.h>
35 #include <sys/sysmacros.h>
36 #include <sys/systm.h>
37 #include <sys/errno.h>
38 #include <sys/utsname.h>
39 #include <sys/debug.h>
40 
41 int
42 uname(struct utsname *buf)
43 {
44 	char *name_to_use = uts_nodename();
45 
46 	if (copyout(utsname.sysname, buf->sysname, strlen(utsname.sysname)+1)) {
47 		return (set_errno(EFAULT));
48 	}
49 	if (copyout(name_to_use, buf->nodename, strlen(name_to_use)+1)) {
50 		return (set_errno(EFAULT));
51 	}
52 	if (copyout(utsname.release, buf->release, strlen(utsname.release)+1)) {
53 		return (set_errno(EFAULT));
54 	}
55 	if (copyout(utsname.version, buf->version, strlen(utsname.version)+1)) {
56 		return (set_errno(EFAULT));
57 	}
58 	if (copyout(utsname.machine, buf->machine, strlen(utsname.machine)+1)) {
59 		return (set_errno(EFAULT));
60 	}
61 	return (1);	/* XXX why 1 and not 0? 1003.1 says "non-negative" */
62 }
63