1 /* $OpenBSD: uname.c,v 1.8 2005/08/08 08:05:34 espie Exp $ */ 2 /*- 3 * Copyright (c) 1994 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/param.h> 32 #include <sys/sysctl.h> 33 #include <sys/utsname.h> 34 35 int 36 uname(struct utsname *name) 37 { 38 int mib[2], rval; 39 size_t len; 40 41 rval = 0; 42 43 mib[0] = CTL_KERN; 44 mib[1] = KERN_OSTYPE; 45 len = sizeof(name->sysname); 46 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) 47 rval = -1; 48 49 mib[0] = CTL_KERN; 50 mib[1] = KERN_HOSTNAME; 51 len = sizeof(name->nodename); 52 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) 53 rval = -1; 54 55 mib[0] = CTL_KERN; 56 mib[1] = KERN_OSRELEASE; 57 len = sizeof(name->release); 58 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) 59 rval = -1; 60 61 mib[0] = CTL_KERN; 62 mib[1] = KERN_OSVERSION; 63 len = sizeof(name->version); 64 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) { 65 mib[0] = CTL_KERN; 66 mib[1] = KERN_VERSION; 67 len = sizeof(name->version); 68 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) 69 rval = -1; 70 } 71 72 mib[0] = CTL_HW; 73 mib[1] = HW_MACHINE; 74 len = sizeof(name->machine); 75 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) 76 rval = -1; 77 return (rval); 78 } 79