1 /* 2 * Copyright (c) 1994 Winning Strategies, Inc. 3 * 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 Winning Strategies, Inc. 16 * 4. The name of Winning Strategies, Inc. may not be used to endorse or 17 * promote products derived from this software without specific prior 18 * written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef lint 33 static char rcsid[] = "$Id: uname.c,v 1.6 1994/02/06 05:27:40 cgd Exp $"; 34 #endif /* not lint */ 35 36 #include <stdio.h> 37 #include <locale.h> 38 #include <unistd.h> 39 #include <sys/utsname.h> 40 41 static void usage(); 42 43 #define PRINT_SYSNAME 0x01 44 #define PRINT_NODENAME 0x02 45 #define PRINT_RELEASE 0x04 46 #define PRINT_VERSION 0x08 47 #define PRINT_MACHINE 0x10 48 #define PRINT_ALL 0x1f 49 50 int 51 main(argc, argv) 52 int argc; 53 char **argv; 54 { 55 struct utsname u; 56 int c; 57 int space = 0; 58 int print_mask = 0; 59 60 setlocale(LC_ALL, ""); 61 62 while ((c = getopt(argc,argv,"amnrsv")) != -1 ) { 63 switch ( c ) { 64 case 'a': 65 print_mask |= PRINT_ALL; 66 break; 67 case 'm': 68 print_mask |= PRINT_MACHINE; 69 break; 70 case 'n': 71 print_mask |= PRINT_NODENAME; 72 break; 73 case 'r': 74 print_mask |= PRINT_RELEASE; 75 break; 76 case 's': 77 print_mask |= PRINT_SYSNAME; 78 break; 79 case 'v': 80 print_mask |= PRINT_VERSION; 81 break; 82 default: 83 usage(); 84 /* NOTREACHED */ 85 } 86 } 87 88 if (optind != argc) { 89 usage(); 90 /* NOTREACHED */ 91 } 92 93 if (!print_mask) { 94 print_mask = PRINT_SYSNAME; 95 } 96 97 if (uname(&u)) { 98 err(1, NULL); 99 /* NOTREACHED */ 100 } 101 102 if (print_mask & PRINT_SYSNAME) { 103 space++; 104 fputs(u.sysname, stdout); 105 } 106 if (print_mask & PRINT_NODENAME) { 107 if (space++) putchar(' '); 108 fputs(u.nodename, stdout); 109 } 110 if (print_mask & PRINT_RELEASE) { 111 if (space++) putchar(' '); 112 fputs(u.release, stdout); 113 } 114 if (print_mask & PRINT_VERSION) { 115 if (space++) putchar(' '); 116 fputs(u.version, stdout); 117 } 118 if (print_mask & PRINT_MACHINE) { 119 if (space++) putchar(' '); 120 fputs(u.machine, stdout); 121 } 122 putchar('\n'); 123 124 exit(0); 125 /* NOTREACHED */ 126 } 127 128 static void 129 usage() 130 { 131 fprintf(stderr, "usage: uname [-amnrsv]\n"); 132 exit(1); 133 } 134