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25 lines
658 B
C++
25 lines
658 B
C++
#pragma once
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#include <cassert>
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template<typename T>
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inline T ByteSwap(T value)
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{
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if constexpr (sizeof(T) == 1)
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return value;
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else if constexpr (sizeof(T) == 2)
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return static_cast<T>(__builtin_bswap16(static_cast<uint16_t>(value)));
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else if constexpr (sizeof(T) == 4)
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return static_cast<T>(__builtin_bswap32(static_cast<uint32_t>(value)));
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else if constexpr (sizeof(T) == 8)
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return static_cast<T>(__builtin_bswap64(static_cast<uint64_t>(value)));
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assert(false && "Unexpected byte size.");
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return value;
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}
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template<typename T>
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inline void ByteSwapInplace(T& value)
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{
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value = ByteSwap(value);
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}
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