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Move NetworkOrdered.h to AK/ since it's used in both kernel and userspace.

This commit is contained in:
Andreas Kling 2019-04-02 20:04:54 +02:00
parent 649c81a714
commit 17e02e7450
9 changed files with 8 additions and 8 deletions

48
AK/NetworkOrdered.h Normal file
View file

@ -0,0 +1,48 @@
#pragma once
#include <AK/Types.h>
template<typename T>
T convert_between_host_and_network(T host_value)
{
if constexpr (sizeof(T) == 4) {
auto* s = (byte*)&host_value;
return (dword)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
}
if constexpr (sizeof(T) == 2) {
auto* s = (byte*)&host_value;
return (word)(s[0] << 8 | s[1]);
}
if constexpr (sizeof(T) == 1)
return host_value;
}
template<typename T>
class [[gnu::packed]] NetworkOrdered {
public:
NetworkOrdered()
: m_network_value(0)
{
}
NetworkOrdered(const T& host_value)
: m_network_value(convert_between_host_and_network(host_value))
{
}
NetworkOrdered(const NetworkOrdered& other)
: m_network_value(other.m_network_value)
{
}
NetworkOrdered& operator=(const NetworkOrdered& other)
{
m_network_value = other.m_network_value;
return *this;
}
operator T() const { return convert_between_host_and_network(m_network_value); }
private:
T m_network_value { 0 };
};