diff options
Diffstat (limited to 'sysdeps/generic/det_endian.c')
-rw-r--r-- | sysdeps/generic/det_endian.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/generic/det_endian.c b/sysdeps/generic/det_endian.c new file mode 100644 index 0000000..4c86be3 --- /dev/null +++ b/sysdeps/generic/det_endian.c @@ -0,0 +1,35 @@ +/* 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); +} |