uname.c (2610B)
1 /* $Id: //depot/blt/bin/uname/uname.c#3 $ 2 ** 3 ** Copyright 1999 Sidney Cammeresi 4 ** All rights reserved. 5 ** 6 ** Redistribution and use in source and binary forms, with or without 7 ** modification, are permitted provided that the following conditions 8 ** are met: 9 ** 1. Redistributions of source code must retain the above copyright 10 ** notice, this list of conditions, and the following disclaimer. 11 ** 2. Redistributions in binary form must reproduce the above copyright 12 ** notice, this list of conditions, and the following disclaimer in the 13 ** documentation and/or other materials provided with the distribution. 14 ** 3. The name of the author may not be used to endorse or promote products 15 ** derived from this software without specific prior written permission. 16 ** 17 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <stdio.h> 30 #include <unistd.h> 31 32 #define ATTR(attr, value) \ 33 if (attr) \ 34 { \ 35 if (start) \ 36 printf (" "); \ 37 else \ 38 start = 1; \ 39 printf (value); \ 40 } 41 42 extern char *ostype, *osrelease, *osversion; 43 44 int main (int argc, char **argv) 45 { 46 int opt, any, start, machine, nodename, processor, system, release, version; 47 48 any = machine = nodename = processor = system = release = version = 0; 49 while ((opt = getopt (argc, argv, "amnpsrv")) != -1) 50 switch (opt) 51 { 52 case 'a': 53 any = machine = nodename = processor = system = release = 54 version = 1; 55 break; 56 57 case 'm': 58 any = machine = 1; 59 break; 60 61 case 'n': 62 any = nodename = 1; 63 break; 64 65 case 'p': 66 any = processor = 1; 67 break; 68 69 case 's': 70 any = system = 1; 71 break; 72 73 case 'r': 74 any = release = 1; 75 break; 76 77 case 'v': 78 any = version = 1; 79 break; 80 81 default: 82 return 1; 83 } 84 85 if (!any) 86 system = 1; 87 start = 0; 88 ATTR (system, ostype) 89 ATTR (nodename, "(noname)") 90 ATTR (release, osrelease) 91 ATTR (version, osversion) 92 ATTR (machine, "Intel") 93 printf ("\n"); 94 return 0; 95 } 96