1/* $NetBSD: uname.c,v 1.10 1998/11/09 13:24:05 kleink Exp $ */ 2 3/* 4 * Copyright (c) 1994 Winning Strategies, Inc. 5 * 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 Winning Strategies, Inc. 18 * 4. The name of Winning Strategies, Inc. may not be used to endorse or 19 * promote products derived from this software without specific prior 20 * written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35#ifndef lint 36__RCSID("$NetBSD: uname.c,v 1.10 1998/11/09 13:24:05 kleink Exp $"); 37#endif /* not lint */ 38 39#include <sys/param.h> 40#include <limits.h> 41#include <locale.h> 42#include <stdio.h> 43#include <stdlib.h> 44#include <unistd.h> 45#include <err.h> 46 47#include <sys/sysctl.h> 48#include <sys/utsname.h> 49 50__dead static void usage(void); 51 52/* Note that PRINT_MACHINE_ARCH is excluded from PRINT_ALL! */ 53#define PRINT_SYSNAME 0x01 54#define PRINT_NODENAME 0x02 55#define PRINT_RELEASE 0x04 56#define PRINT_VERSION 0x08 57#define PRINT_MACHINE 0x10 58#define PRINT_MACHINE_ARCH 0x20 59#define PRINT_ALL \ 60 (PRINT_SYSNAME|PRINT_NODENAME|PRINT_RELEASE|PRINT_VERSION|PRINT_MACHINE) 61 62int 63main(int argc, char **argv) 64{ 65 struct utsname u; 66 char machine_arch[SYS_NMLN]; 67 int c; 68 int space = 0; 69 int print_mask = 0; 70 71 (void)setlocale(LC_ALL, ""); 72 73 while ((c = getopt(argc,argv,"amnprsv")) != -1) { 74 switch (c) { 75 case 'a': 76 print_mask |= PRINT_ALL; 77 break; 78 case 'm': 79 print_mask |= PRINT_MACHINE; 80 break; 81 case 'n': 82 print_mask |= PRINT_NODENAME; 83 break; 84 case 'p': 85 print_mask |= PRINT_MACHINE_ARCH; 86 break; 87 case 'r': 88 print_mask |= PRINT_RELEASE; 89 break; 90 case 's': 91 print_mask |= PRINT_SYSNAME; 92 break; 93 case 'v': 94 print_mask |= PRINT_VERSION; 95 break; 96 default: 97 usage(); 98 /* NOTREACHED */ 99 } 100 } 101 102 if (optind != argc) { 103 usage(); 104 /* NOTREACHED */ 105 } 106 107 if (!print_mask) { 108 print_mask = PRINT_SYSNAME; 109 } 110 111 if (uname(&u) != 0) { 112 err(EXIT_FAILURE, "uname"); 113 /* NOTREACHED */ 114 } 115 if (print_mask & PRINT_MACHINE_ARCH) { 116 int mib[2] = { CTL_HW, HW_MACHINE_ARCH }; 117 size_t len = sizeof (machine_arch); 118 119 if (sysctl(mib, sizeof (mib) / sizeof (mib[0]), machine_arch, 120 &len, NULL, 0) < 0) 121 err(EXIT_FAILURE, "sysctl"); 122 } 123 124 if (print_mask & PRINT_SYSNAME) { 125 space++; 126 fputs(u.sysname, stdout); 127 } 128 if (print_mask & PRINT_NODENAME) { 129 if (space++) putchar(' '); 130 fputs(u.nodename, stdout); 131 } 132 if (print_mask & PRINT_RELEASE) { 133 if (space++) putchar(' '); 134 fputs(u.release, stdout); 135 } 136 if (print_mask & PRINT_VERSION) { 137 if (space++) putchar(' '); 138 fputs(u.version, stdout); 139 } 140 if (print_mask & PRINT_MACHINE) { 141 if (space++) putchar(' '); 142 fputs(u.machine, stdout); 143 } 144 if (print_mask & PRINT_MACHINE_ARCH) { 145 if (space++) putchar(' '); 146 fputs(machine_arch, stdout); 147 } 148 putchar('\n'); 149 150 exit(EXIT_SUCCESS); 151 /* NOTREACHED */ 152} 153 154static void 155usage(void) 156{ 157 fprintf(stderr, "usage: uname [-amnprsv]\n"); 158 exit(EXIT_FAILURE); 159} 160