1 /* $NetBSD: uname.c,v 1.8 2000/01/22 22:19:13 mycroft 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #if defined(LIBC_SCCS) && !defined(lint) 38 #if 0 39 static char sccsid[] = "@(#)uname.c 8.1 (Berkeley) 1/4/94"; 40 #else 41 __RCSID("$NetBSD: uname.c,v 1.8 2000/01/22 22:19:13 mycroft Exp $"); 42 #endif 43 #endif /* LIBC_SCCS and not lint */ 44 45 #include "namespace.h" 46 #include <sys/param.h> 47 #include <sys/sysctl.h> 48 #include <sys/utsname.h> 49 50 #include <assert.h> 51 #include <errno.h> 52 53 #ifdef __weak_alias 54 __weak_alias(uname,_uname) 55 #endif 56 57 int 58 uname(name) 59 struct utsname *name; 60 { 61 int mib[2], rval; 62 size_t len; 63 char *p; 64 65 rval = 0; 66 67 _DIAGASSERT(name != NULL); 68 69 mib[0] = CTL_KERN; 70 mib[1] = KERN_OSTYPE; 71 len = sizeof(name->sysname); 72 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) 73 rval = -1; 74 75 mib[0] = CTL_KERN; 76 mib[1] = KERN_HOSTNAME; 77 len = sizeof(name->nodename); 78 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) 79 rval = -1; 80 81 mib[0] = CTL_KERN; 82 mib[1] = KERN_OSRELEASE; 83 len = sizeof(name->release); 84 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) 85 rval = -1; 86 87 /* The version may have newlines in it, turn them into spaces. */ 88 mib[0] = CTL_KERN; 89 mib[1] = KERN_VERSION; 90 len = sizeof(name->version); 91 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) 92 rval = -1; 93 else 94 for (p = name->version; len--; ++p) { 95 if (*p == '\n' || *p == '\t') { 96 if (len > 1) 97 *p = ' '; 98 else 99 *p = '\0'; 100 } 101 } 102 103 mib[0] = CTL_HW; 104 mib[1] = HW_MACHINE; 105 len = sizeof(name->machine); 106 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) 107 rval = -1; 108 return (rval); 109 } 110