glibc/sysdeps/powerpc/bits/endian.h

37 lines
1.4 KiB
C

/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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, see
<http://www.gnu.org/licenses/>. */
/* PowerPC can be little or big endian. Hopefully gcc will know... */
#ifndef _ENDIAN_H
# error "Never use <bits/endian.h> directly; include <endian.h> instead."
#endif
#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
# error Both BIG_ENDIAN and LITTLE_ENDIAN defined!
# endif
# define __BYTE_ORDER __BIG_ENDIAN
#else
# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
# define __BYTE_ORDER __LITTLE_ENDIAN
# else
# warning Cannot determine current byte order, assuming big-endian.
# define __BYTE_ORDER __BIG_ENDIAN
# endif
#endif