arch.tproj/arch.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.0 (the 'License').  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License."
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * arch.c - determine the architecture of the machine ran on
  26  */
  27
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <mach/mach.h>
  31 #include <mach-o/arch.h>
  32
  33 char *
  34   get_progname (char *name)
  35 {
  36   char *tmp;
  37   if (tmp = strrchr(name,'/'))
  38     return tmp+1;
  39   else return name;
  40 }
  41
  42 int
  43   main (int argc, char **argv)
  44 {
  45   char *progname;
  46   const NXArchInfo *arch;
  47
  48   if (argc > 1)
  49     {
  50       fprintf (stderr,"*error: %s takes no arguments\n",argv[0]);
  51       exit (-1);
  52     }
  53   arch = NXGetLocalArchInfo();
  54   if (arch == NULL)
  55     {
  56       fprintf (stderr,"Unknown architecture.\n");
  57       exit(-1);
  58     }
  59   progname = get_progname(argv[0]);
  60   if (strcmp (progname,ARCH_PROG) == 0) {
  61     arch = NXGetArchInfoFromCpuType(arch->cputype, CPU_SUBTYPE_MULTIPLE);
  62     if (arch == NULL)
  63     {
  64         fprintf (stderr,"Unknown architecture.\n");
  65         exit(-1);
  66     }
  67   }
  68   else if (strcmp (progname,MACHINE_PROG) == 0)
  69     ;
  70   else
  71     {
  72       fprintf
  73         (stderr,"*error: This program must be named either %s or %s\n",ARCH_PROG,MACHINE_PROG);
  74       exit (-1);
  75     }
  76   if (!isatty(fileno(stdin)))
  77     printf("%s", arch->name);
  78   else
  79     printf ("%s\n", arch->name);
  80     return 0;
  81 }