53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/Endianness.hpp>
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#include <algorithm>
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#include <Nazara/Core/Debug.hpp>
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namespace Nz
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{
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/*!
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* \ingroup core
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* \brief Gets the platform endianness
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* \return Type of the endianness
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*/
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inline constexpr Endianness GetPlatformEndianness()
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{
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#if defined(NAZARA_BIG_ENDIAN)
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return Endianness::BigEndian;
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#elif defined(NAZARA_LITTLE_ENDIAN)
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return Endianness::LittleEndian;
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#endif
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}
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/*!
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* \ingroup core
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* \brief Swaps the byte for endianness operations
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*
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* \param buffer Raw memory
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* \param size Size to change endianness
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*
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* \remark If size is greater than the preallocated buffer, the behavior is undefined
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*/
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inline void SwapBytes(void* buffer, std::size_t size)
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{
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UInt8* bytes = static_cast<UInt8*>(buffer);
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std::size_t i = 0;
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std::size_t j = size - 1;
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while (i < j)
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std::swap(bytes[i++], bytes[j--]);
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}
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template<typename T>
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T SwapBytes(T value)
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{
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SwapBytes(&value, sizeof(T));
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return value;
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}
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}
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#include <Nazara/Core/DebugOff.hpp>
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