60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#ifndef BOOST_ENDIAN_DETAIL_ORDER_HPP_INCLUDED
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#define BOOST_ENDIAN_DETAIL_ORDER_HPP_INCLUDED
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// Copyright 2019 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// http://www.boost.org/LICENSE_1_0.txt
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#include <boost/core/scoped_enum.hpp>
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#if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER little
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#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER big
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#elif defined(__BYTE_ORDER__) && defined(__ORDER_PDP_ENDIAN__) && __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
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# error The Boost.Endian library does not support platforms with PDP endianness.
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#elif defined(__LITTLE_ENDIAN__)
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# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER little
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#elif defined(__BIG_ENDIAN__)
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# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER big
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#elif defined(_MSC_VER) || defined(__i386__) || defined(__x86_64__)
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# define BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER little
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#else
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# error The Boost.Endian library could not determine the endianness of this platform.
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#endif
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namespace boost
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{
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namespace endian
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{
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BOOST_SCOPED_ENUM_START(order)
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{
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big,
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little,
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native = BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER
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}; BOOST_SCOPED_ENUM_END
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} // namespace endian
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} // namespace boost
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#undef BOOST_ENDIAN_NATIVE_ORDER_INITIALIZER
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#endif // BOOST_ENDIAN_DETAIL_ORDER_HPP_INCLUDED
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