architecture/share/archtest.c

   1 /*
   2  * --- T2-COPYRIGHT-NOTE-BEGIN ---
   3  * This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   4  *
   5  * T2 SDE: architecture/share/archtest.c
   6  * Copyright (C) 2004 - 2005 The T2 SDE Project
   7  *
   8  * More information can be found in the files COPYING and README.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; version 2 of the License. A copy of the
  13  * GNU General Public License can be found in the file COPYING.
  14  * --- T2-COPYRIGHT-NOTE-END ---
  15  */
  16 #include <stdio.h>
  17
  18 char * isbigendian () {
  19         /* Are we little or big endian?  From Harbison&Steele.  */
  20         union { long l; char c[sizeof (long)]; } u;
  21         u.l=1; return (u.c[0] == 1)?"no":"yes";
  22 }
  23
  24 int main() {
  25         printf("arch_sizeof_short=%d\n",sizeof(short));
  26         printf("arch_sizeof_int=%d\n",sizeof(int));
  27         printf("arch_sizeof_long=%d\n",sizeof(long));
  28         printf("arch_sizeof_long_long=%d\n",sizeof(long long));
  29         printf("arch_sizeof_char_p=%d\n",sizeof(char *));
  30         printf("arch_bigendian=%s\n",isbigendian());
  31         printf("arch_machine="); fflush(stdout); system("uname -m");
  32         system("echo arch_target=`uname -m -p | tr ' ' -`-linux");
  33         return 0;
  34 }