1 /* $NetBSD: uname.c,v 1.10 2007/01/15 22:26:35 cbiere Exp $ */ 2 3 /*- 4 * Copyright (c) 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #if defined(LIBC_SCCS) && !defined(lint) 34 #if 0 35 static char sccsid[] = "@(#)uname.c 8.1 (Berkeley) 1/4/94"; 36 #else 37 __RCSID("$NetBSD: uname.c,v 1.10 2007/01/15 22:26:35 cbiere Exp $"); 38 #endif 39 #endif /* LIBC_SCCS and not lint */ 40 41 #include "namespace.h" 42 #include <sys/param.h> 43 #include <sys/sysctl.h> 44 #include <sys/utsname.h> 45 46 #include <assert.h> 47 #include <errno.h> 48 49 #ifdef __weak_alias 50 __weak_alias(uname,_uname) 51 #endif 52 53 int 54 uname(name) 55 struct utsname *name; 56 { 57 int mib[2]; 58 size_t len; 59 char *p; 60 61 _DIAGASSERT(name != NULL); 62 63 mib[0] = CTL_KERN; 64 mib[1] = KERN_OSTYPE; 65 len = sizeof(name->sysname); 66 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) 67 goto error; 68 69 mib[0] = CTL_KERN; 70 mib[1] = KERN_HOSTNAME; 71 len = sizeof(name->nodename); 72 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) 73 goto error; 74 75 mib[0] = CTL_KERN; 76 mib[1] = KERN_OSRELEASE; 77 len = sizeof(name->release); 78 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) 79 goto error; 80 81 mib[0] = CTL_KERN; 82 mib[1] = KERN_VERSION; 83 len = sizeof(name->version); 84 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) 85 goto error; 86 87 /* The version may have newlines in it, turn them into spaces. */ 88 for (p = name->version; len--; ++p) { 89 if (*p == '\n' || *p == '\t') { 90 if (len > 1) 91 *p = ' '; 92 else 93 *p = '\0'; 94 } 95 } 96 97 mib[0] = CTL_HW; 98 mib[1] = HW_MACHINE; 99 len = sizeof(name->machine); 100 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) 101 goto error; 102 return (0); 103 104 error: 105 return (-1); 106 } 107