ladybird/AK/NetworkOrdered.h
2019-06-26 20:01:48 +02:00

33 lines
762 B
C++

#pragma once
#include <AK/Types.h>
template<typename T>
[[gnu::always_inline]] inline T convert_between_host_and_network(T value)
{
if constexpr (sizeof(T) == 8)
return __builtin_bswap64(value);
if constexpr (sizeof(T) == 4)
return __builtin_bswap32(value);
if constexpr (sizeof(T) == 2)
return __builtin_bswap16(value);
if constexpr (sizeof(T) == 1)
return value;
}
template<typename T>
class [[gnu::packed]] NetworkOrdered
{
public:
NetworkOrdered() {}
NetworkOrdered(const T& host_value)
: m_network_value(convert_between_host_and_network(host_value))
{
}
operator T() const { return convert_between_host_and_network(m_network_value); }
private:
T m_network_value { 0 };
};