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cuberite-2a/source/Endianness.h

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#pragma once
#ifdef _WIN32
#include <WinSock.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#endif
// Changes endianness
inline unsigned long long HostToNetwork8( void* a_Value )
{
unsigned long long __HostToNetwork8;
memcpy( &__HostToNetwork8, a_Value, sizeof( __HostToNetwork8 ) );
__HostToNetwork8 = (( ( (unsigned long long)htonl((u_long)__HostToNetwork8) ) << 32) + htonl(__HostToNetwork8 >> 32));
return __HostToNetwork8;
}
inline unsigned int HostToNetwork4( void* a_Value )
{
unsigned int __HostToNetwork4;
memcpy( &__HostToNetwork4, a_Value, sizeof( __HostToNetwork4 ) );
__HostToNetwork4 = ntohl( __HostToNetwork4 );
return __HostToNetwork4;
}
inline double NetworkToHostDouble8( void* a_Value )
{
#define ntohll(x) ((((unsigned long long)ntohl((u_long)x)) << 32) + ntohl(x >> 32))
unsigned long long buf = 0;//(*(unsigned long long*)a_Value);
memcpy( &buf, a_Value, 8 );
buf = ntohll(buf);
double x;
memcpy(&x, &buf, sizeof(double));
return x;
}
inline long long NetworkToHostLong8( void* a_Value )
{
unsigned long long buf = *(unsigned long long*)a_Value;
buf = ntohll(buf);
return *reinterpret_cast<long long *>(&buf);
}
inline float NetworkToHostFloat4( void* a_Value )
{
u_long buf = *(u_long*)a_Value;
buf = ntohl( buf );
float x = 0;
memcpy( &x, &buf, sizeof(float) );
return x;
}