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34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#pragma once
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#include <cassert>
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// https://github.com/hedge-dev/XenonRecomp/pull/35
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#ifdef __clang__
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#define _byte_swap16(value) __builtin_bswap16(static_cast<uint16_t>(value))
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#define _byte_swap32(value) __builtin_bswap32(static_cast<uint32_t>(value))
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#define _byte_swap64(value) __builtin_bswap64(static_cast<uint64_t>(value))
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#elif defined(_MSC_VER)
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#define _byte_swap16(value) _byteswap_ushort(static_cast<uint16_t>(value))
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#define _byte_swap32(value) _byteswap_ulong(static_cast<uint32_t>(value))
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#define _byte_swap64(value) _byteswap_uint64(static_cast<uint64_t>(value))
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#endif
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template<typename T> 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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if constexpr (sizeof(T) == 2)
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return static_cast<T>(_byte_swap16(value));
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if constexpr (sizeof(T) == 4)
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return static_cast<T>(_byte_swap32(value));
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if constexpr (sizeof(T) == 8)
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return static_cast<T>(_byte_swap64(value));
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assert(false && "Unexpected byte size.");
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}
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template<typename T> void ByteSwapInplace(T& value)
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{
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value = ByteSwap(value);
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}
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