arch.tproj/arch.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * arch.c - determine the architecture of the machine ran on
  27  */
  28
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <mach/mach.h>
  32 #include <mach-o/arch.h>
  33
  34 char *
  35   get_progname (char *name)
  36 {
  37   char *tmp;
  38   if (tmp = strrchr(name,'/'))
  39     return tmp+1;
  40   else return name;
  41 }
  42
  43 int
  44   main (int argc, char **argv)
  45 {
  46   char *progname;
  47   const NXArchInfo *arch;
  48
  49   if (argc > 1)
  50     {
  51       fprintf (stderr,"*error: %s takes no arguments\n",argv[0]);
  52       exit (-1);
  53     }
  54   arch = NXGetLocalArchInfo();
  55   if (arch == NULL)
  56     {
  57       fprintf (stderr,"Unknown architecture.\n");
  58       exit(-1);
  59     }
  60   progname = get_progname(argv[0]);
  61   if (strcmp (progname,ARCH_PROG) == 0) {
  62     arch = NXGetArchInfoFromCpuType(arch->cputype, CPU_SUBTYPE_MULTIPLE);
  63     if (arch == NULL)
  64     {
  65         fprintf (stderr,"Unknown architecture.\n");
  66         exit(-1);
  67     }
  68   }
  69   else if (strcmp (progname,MACHINE_PROG) == 0)
  70     ;
  71   else
  72     {
  73       fprintf
  74         (stderr,"*error: This program must be named either %s or %s\n",ARCH_PROG,MACHINE_PROG);
  75       exit (-1);
  76     }
  77   if (!isatty(fileno(stdin)))
  78     printf("%s", arch->name);
  79   else
  80     printf ("%s\n", arch->name);
  81     return 0;
  82 }