1/*
2 * Copyright (c) 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34
35#include <sys/param.h>
36#include <sys/sysctl.h>
37#include <sys/utsname.h>
38
39int
40uname(name)
41	struct utsname *name;
42{
43	int mib[2], rval;
44	size_t len;
45	char *p;
46
47	rval = 0;
48
49	mib[0] = CTL_KERN;
50	mib[1] = KERN_OSTYPE;
51	len = sizeof(name->sysname);
52	if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1)
53		rval = -1;
54
55	mib[0] = CTL_KERN;
56	mib[1] = KERN_HOSTNAME;
57	len = sizeof(name->nodename);
58	if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1)
59		rval = -1;
60
61	mib[0] = CTL_KERN;
62	mib[1] = KERN_OSRELEASE;
63	len = sizeof(name->release);
64	if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1)
65		rval = -1;
66
67	/* The version may have newlines in it, turn them into spaces. */
68	mib[0] = CTL_KERN;
69	mib[1] = KERN_VERSION;
70	len = sizeof(name->version);
71	if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1)
72		rval = -1;
73	else
74		for (p = name->version; len--; ++p)
75			if (*p == '\n' || *p == '\t') {
76				if (len > 1) {
77					*p = ' ';
78				} else {
79					*p = '\0';
80				}
81			}
82	mib[0] = CTL_HW;
83	mib[1] = HW_MACHINE;
84	len = sizeof(name->machine);
85	if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1)
86		rval = -1;
87	return (rval);
88}
89