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31 lines
679 B
C++
31 lines
679 B
C++
/*
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* \brief Convert between host endianess and big endian.
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* \author Stebastian Sumpf
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* \author Stefan Kalkowski
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* \date 2010-08-04
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*/
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/*
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* Copyright (C) 2010-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _UTIL__ENDIAN_H_
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#define _UTIL__ENDIAN_H_
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#include <base/stdint.h>
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template <typename T>
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inline T host_to_big_endian(T x)
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{
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Genode::uint8_t v[sizeof(T)];
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for (unsigned i=0; i<sizeof(T); i++) {
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unsigned mask = (sizeof(T) - i - 1) * 8;
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v[i] = (x & (0xff << mask)) >> mask;
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}
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return *(T *)v;
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}
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#endif /* _UTIL__ENDIAN_H_ */
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