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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #if defined(LIBC_SCCS) && !defined(lint) 35 static char sccsid[] = "@(#)uname.c 8.1 (Berkeley) 1/4/94"; 36 #endif /* LIBC_SCCS and not lint */ 37 38 #include <sys/param.h> 39 #include <sys/sysctl.h> 40 #include <sys/utsname.h> 41 42 int 43 uname(name) 44 struct utsname *name; 45 { 46 int mib[2], rval; 47 size_t len; 48 char *p; 49 50 rval = 0; 51 52 mib[0] = CTL_KERN; 53 mib[1] = KERN_OSTYPE; 54 len = sizeof(name->sysname); 55 if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) 56 rval = -1; 57 58 mib[0] = CTL_KERN; 59 mib[1] = KERN_HOSTNAME; 60 len = sizeof(name->nodename); 61 if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) 62 rval = -1; 63 64 mib[0] = CTL_KERN; 65 mib[1] = KERN_OSRELEASE; 66 len = sizeof(name->release); 67 if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) 68 rval = -1; 69 70 /* The version may have newlines in it, turn them into spaces. */ 71 mib[0] = CTL_KERN; 72 mib[1] = KERN_VERSION; 73 len = sizeof(name->version); 74 if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) 75 rval = -1; 76 else 77 for (p = name->version; len--; ++p) 78 if (*p == '\n' || *p == '\t') 79 if (len > 1) 80 *p = ' '; 81 else 82 *p = '\0'; 83 84 mib[0] = CTL_HW; 85 mib[1] = HW_MACHINE; 86 len = sizeof(name->machine); 87 if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) 88 rval = -1; 89 return (rval); 90 } 91