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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 mib[0] = CTL_HW;
82 mib[1] = HW_MACHINE;
83 len = sizeof(name->machine);
84 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1)
85 rval = -1;
86 return (rval);
87}