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/* ****************************************************************************
* endian.h -- Endianness identification for XLC.
*
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of the 'all/compiler-xlc' module in libcarrot, an
* experimental modular libc project.
*
* This file 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 3 of the License, or (at your option)
* any later version.
*
* This file 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 Lesser Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this file. If not, see <http://www.gnu.org/licenses/>.
* ************************************************************************* */
/* The IBM C compiler provides the `_BIG_ENDIAN` and/or `__BIG_ENDIAN__`
* pre-defined macros to know if the platform is big endian or not. */
#if (defined(_BIG_ENDIAN) && _BIG_ENDIAN) \
|| (defined(__BIG_ENDIAN__) && __BIG_ENDIAN__)
# define __BYTE_ORDER __BIG_ENDIAN
#else
# define __BYTE_ORDER __LITTLE_ENDIAN
#endif
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