43 lines
808 B
C++
43 lines
808 B
C++
// SPDX-License-Identifier: MIT
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/**
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Copyright (c) 2015 - 2022 Beckhoff Automation GmbH & Co. KG
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*/
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#pragma once
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#include <cstddef>
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#include <cstdint>
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namespace Beckhoff
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{
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#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
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template<class T>
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inline T letoh(const void* buffer)
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{
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const auto bytes = reinterpret_cast<const uint8_t*>(buffer);
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T result = 0;
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for (size_t i = 0; i < sizeof(T); ++i) {
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result += (bytes[i] << (8 * i));
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}
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return result;
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}
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#else
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template<class T>
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inline T letoh(const void* buffer)
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{
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return *reinterpret_cast<const T*>(buffer);
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}
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#endif
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template<class T>
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inline T letoh(const T& value)
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{
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return letoh<T>(reinterpret_cast<const uint8_t*>(&value));
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}
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template<class T>
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T htole(const T value)
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{
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return letoh(value);
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}
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} |