mirror of
https://github.com/KytyPS5/KytyPS5.git
synced 2026-10-20 19:07:01 +02:00
nmzik
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#ifndef KYTY_COMMON_PLATFORM_SYSSWAPBYTEORDER_H_
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#define KYTY_COMMON_PLATFORM_SYSSWAPBYTEORDER_H_
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#include "common/common.h"
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#include <type_traits>
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inline uint16_t SwapByteOrder16(uint16_t value) {
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uint16_t hi = value << 8u;
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uint16_t lo = value >> 8u;
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return hi | lo;
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}
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inline uint32_t SwapByteOrder32(uint32_t value) {
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return __builtin_bswap32(value);
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}
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inline uint64_t SwapByteOrder64(uint64_t value) {
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return __builtin_bswap64(value);
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}
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template <typename T>
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inline void SwapByteOrder(T& x) {
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if (sizeof(x) == 2) {
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if (std::is_signed_v<T>) {
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x = static_cast<std::make_signed_t<T>>(
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SwapByteOrder16(static_cast<std::make_unsigned_t<uint16_t>>(x)));
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} else {
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x = SwapByteOrder16(x);
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}
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}
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if (sizeof(x) == 4) {
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if (std::is_signed_v<T>) {
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x = static_cast<std::make_signed_t<T>>(
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SwapByteOrder32(static_cast<std::make_unsigned_t<uint32_t>>(x)));
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} else {
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x = SwapByteOrder32(x);
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}
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}
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if (sizeof(x) == 8) {
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if (std::is_signed_v<T>) {
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x = static_cast<std::make_signed_t<T>>(
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SwapByteOrder64(static_cast<std::make_unsigned_t<uint64_t>>(x)));
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} else {
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x = SwapByteOrder64(x);
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}
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}
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}
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template <typename T>
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inline void NoSwapByteOrder(T& x) {}
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#endif /* KYTY_COMMON_PLATFORM_SYSSWAPBYTEORDER_H_ */
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