3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 #if defined(LIBC_SCCS) && !defined(lint)
31 /*static char sccsid[] = "From: @(#)uname.c 8.1 (Berkeley) 1/4/94";*/
32 #endif /* LIBC_SCCS and not lint */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
37 #include <sys/sysctl.h>
38 #include <sys/utsname.h>
44 __xuname(int namesize, void *namebuf)
51 char sysname[namesize]; /* Name of this OS. */
52 char nodename[namesize]; /* Name of this network node. */
53 char release[namesize]; /* Release level. */
54 char version[namesize]; /* Version level. */
55 char machine[namesize]; /* Hardware type. */
58 name = (struct xutsname *)namebuf;
63 len = sizeof(name->sysname);
65 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) {
71 name->sysname[sizeof(name->sysname) - 1] = '\0';
72 if ((p = getenv("UNAME_s")))
73 strlcpy(name->sysname, p, sizeof(name->sysname));
76 mib[1] = KERN_HOSTNAME;
77 len = sizeof(name->nodename);
79 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) {
85 name->nodename[sizeof(name->nodename) - 1] = '\0';
88 mib[1] = KERN_OSRELEASE;
89 len = sizeof(name->release);
91 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) {
97 name->release[sizeof(name->release) - 1] = '\0';
98 if ((p = getenv("UNAME_r")))
99 strlcpy(name->release, p, sizeof(name->release));
101 /* The version may have newlines in it, turn them into spaces. */
103 mib[1] = KERN_VERSION;
104 len = sizeof(name->version);
106 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) {
112 name->version[sizeof(name->version) - 1] = '\0';
113 for (p = name->version; len--; ++p) {
114 if (*p == '\n' || *p == '\t') {
121 if ((p = getenv("UNAME_v")))
122 strlcpy(name->version, p, sizeof(name->version));
126 len = sizeof(name->machine);
128 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) {
134 name->machine[sizeof(name->machine) - 1] = '\0';
135 if ((p = getenv("UNAME_m")))
136 strlcpy(name->machine, p, sizeof(name->machine));