misc/archive/archtest.c

   1 /*
   2  * --- T2-COPYRIGHT-NOTE-BEGIN ---
   3  * T2 SDE: misc/archive/archtest.c
   4  * Copyright (C) 2004 - 2022 The T2 SDE Project
   5  *
   6  * This Copyright note is generated by scripts/Create-CopyPatch,
   7  * more information can be found in the files COPYING and README.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2.
  11  * --- T2-COPYRIGHT-NOTE-END ---
  12  */
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16
  17 char * isbigendian () {
  18         /* Are we little or big endian?  From Harbison&Steele.  */
  19         union { long l; char c[sizeof (long)]; } u;
  20         u.l=1; return (u.c[0] == 1)?"no":"yes";
  21 }
  22
  23 int main() {
  24         printf("arch_sizeof_short=%d\n",sizeof(short));
  25         printf("arch_sizeof_int=%d\n",sizeof(int));
  26         printf("arch_sizeof_long=%d\n",sizeof(long));
  27         printf("arch_sizeof_long_long=%d\n",sizeof(long long));
  28         printf("arch_sizeof_char_p=%d\n",sizeof(char *));
  29         printf("arch_bigendian=%s\n",isbigendian());
  30         printf("arch_machine="); fflush(stdout); system("uname -m");
  31         system("echo arch_target=`uname -m -p | tr ' ' -`-linux");
  32         return 0;
  33 }