1 /* $NetBSD: uname.c,v 1.2 1995/02/25 15:39:38 cgd 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 #if defined(LIBC_SCCS) && !defined(lint) 37 #if 0 38 static char sccsid[] = "@(#)uname.c 8.1 (Berkeley) 1/4/94"; 39 #else 40 static char rcsid[] = "$NetBSD: uname.c,v 1.2 1995/02/25 15:39:38 cgd Exp $"; 41 #endif 42 #endif /* LIBC_SCCS and not lint */ 43 44 #include <sys/param.h> 45 #include <sys/sysctl.h> 46 #include <sys/utsname.h> 47 48 int 49 uname(name) 50 struct utsname *name; 51 { 52 int mib[2], rval; 53 size_t len; 54 char *p; 55 56 rval = 0; 57 58 mib[0] = CTL_KERN; 59 mib[1] = KERN_OSTYPE; 60 len = sizeof(name->sysname); 61 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) 62 rval = -1; 63 64 mib[0] = CTL_KERN; 65 mib[1] = KERN_HOSTNAME; 66 len = sizeof(name->nodename); 67 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) 68 rval = -1; 69 70 mib[0] = CTL_KERN; 71 mib[1] = KERN_OSRELEASE; 72 len = sizeof(name->release); 73 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) 74 rval = -1; 75 76 /* The version may have newlines in it, turn them into spaces. */ 77 mib[0] = CTL_KERN; 78 mib[1] = KERN_VERSION; 79 len = sizeof(name->version); 80 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) 81 rval = -1; 82 else 83 for (p = name->version; len--; ++p) 84 if (*p == '\n' || *p == '\t') 85 if (len > 1) 86 *p = ' '; 87 else 88 *p = '\0'; 89 90 mib[0] = CTL_HW; 91 mib[1] = HW_MACHINE; 92 len = sizeof(name->machine); 93 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) 94 rval = -1; 95 return (rval); 96 } 97