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-rw-r--r--sysdeps/generic/det_endian.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/generic/det_endian.c b/sysdeps/generic/det_endian.c
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+++ b/sysdeps/generic/det_endian.c
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+/* Determine the "endianness" of the CPU.
+   Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 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);
+}