mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-12 08:10:06 +00:00
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
|
/* Determine the "endianness" of the CPU.
|
||
|
|
Copyright (C) 1991, 1992 Free Software Foundation, Inc.
|
||
|
|
Contributed by Torbjorn Granlund (tege@sics.se).
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Library General Public License as
|
||
|
|
published by the Free Software Foundation; either version 2 of the
|
||
|
|
License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Library General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Library General Public
|
||
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
||
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||
|
|
Cambridge, MA 02139, USA. */
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
|
||
|
|
main ()
|
||
|
|
{
|
||
|
|
unsigned long int i;
|
||
|
|
|
||
|
|
if (sizeof (i) != 4)
|
||
|
|
puts ("#error \"Not a 32-bit machine!\"");
|
||
|
|
|
||
|
|
i = (((((('4' << 8) + '3') << 8) + '2') << 8) + '1');
|
||
|
|
|
||
|
|
printf ("#define __BYTE_ORDER %.4s\n", (char *) &i);
|
||
|
|
|
||
|
|
exit (0);
|
||
|
|
}
|