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. 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. 16 * 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 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if defined(LIBC_SCCS) && !defined(lint) 31 static char rcsid[] = "$OpenBSD: uname.c,v 1.6 2003/06/02 20:18:35 millert Exp $"; 32 #endif /* LIBC_SCCS and not lint */ 33 34 #include <sys/param.h> 35 #include <sys/sysctl.h> 36 #include <sys/utsname.h> 37 38 int 39 uname(name) 40 struct utsname *name; 41 { 42 int mib[2], rval; 43 size_t len; 44 45 rval = 0; 46 47 mib[0] = CTL_KERN; 48 mib[1] = KERN_OSTYPE; 49 len = sizeof(name->sysname); 50 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) 51 rval = -1; 52 53 mib[0] = CTL_KERN; 54 mib[1] = KERN_HOSTNAME; 55 len = sizeof(name->nodename); 56 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) 57 rval = -1; 58 59 mib[0] = CTL_KERN; 60 mib[1] = KERN_OSRELEASE; 61 len = sizeof(name->release); 62 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) 63 rval = -1; 64 65 mib[0] = CTL_KERN; 66 mib[1] = KERN_OSVERSION; 67 len = sizeof(name->version); 68 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) { 69 mib[0] = CTL_KERN; 70 mib[1] = KERN_VERSION; 71 len = sizeof(name->version); 72 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) 73 rval = -1; 74 } 75 76 mib[0] = CTL_HW; 77 mib[1] = HW_MACHINE; 78 len = sizeof(name->machine); 79 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) 80 rval = -1; 81 return (rval); 82 } 83