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 1.7 1994/12/20 01:28:57 jtc Exp $"; 34 #endif /* not lint */ 35 36 #include <stdio.h> 37 #include <locale.h> 38 #include <unistd.h> 39 #include <sys/utsname.h> 40 #include <err.h> 41 42 static void usage(); 43 44 #define PRINT_SYSNAME 0x01 45 #define PRINT_NODENAME 0x02 46 #define PRINT_RELEASE 0x04 47 #define PRINT_VERSION 0x08 48 #define PRINT_MACHINE 0x10 49 #define PRINT_ALL 0x1f 50 51 int 52 main(argc, argv) 53 int argc; 54 char **argv; 55 { 56 struct utsname u; 57 int c; 58 int space = 0; 59 int print_mask = 0; 60 61 setlocale(LC_ALL, ""); 62 63 while ((c = getopt(argc,argv,"amnrsv")) != -1 ) { 64 switch ( c ) { 65 case 'a': 66 print_mask |= PRINT_ALL; 67 break; 68 case 'm': 69 print_mask |= PRINT_MACHINE; 70 break; 71 case 'n': 72 print_mask |= PRINT_NODENAME; 73 break; 74 case 'r': 75 print_mask |= PRINT_RELEASE; 76 break; 77 case 's': 78 print_mask |= PRINT_SYSNAME; 79 break; 80 case 'v': 81 print_mask |= PRINT_VERSION; 82 break; 83 default: 84 usage(); 85 /* NOTREACHED */ 86 } 87 } 88 89 if (optind != argc) { 90 usage(); 91 /* NOTREACHED */ 92 } 93 94 if (!print_mask) { 95 print_mask = PRINT_SYSNAME; 96 } 97 98 if (uname(&u)) { 99 err(1, NULL); 100 /* NOTREACHED */ 101 } 102 103 if (print_mask & PRINT_SYSNAME) { 104 space++; 105 fputs(u.sysname, stdout); 106 } 107 if (print_mask & PRINT_NODENAME) { 108 if (space++) putchar(' '); 109 fputs(u.nodename, stdout); 110 } 111 if (print_mask & PRINT_RELEASE) { 112 if (space++) putchar(' '); 113 fputs(u.release, stdout); 114 } 115 if (print_mask & PRINT_VERSION) { 116 if (space++) putchar(' '); 117 fputs(u.version, stdout); 118 } 119 if (print_mask & PRINT_MACHINE) { 120 if (space++) putchar(' '); 121 fputs(u.machine, stdout); 122 } 123 putchar('\n'); 124 125 exit(0); 126 /* NOTREACHED */ 127 } 128 129 static void 130 usage() 131 { 132 fprintf(stderr, "usage: uname [-amnrsv]\n"); 133 exit(1); 134 } 135