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#pragma once
#include <stdint.h>
/**
* Swap bytes between big endian and local number representation
*/
namespace util
{
#ifdef MULTIMC_BIG_ENDIAN
inline uint64_t bigswap(uint64_t x)
{
return x;
}
inline uint32_t bigswap(uint32_t x)
{
return x;
}
inline uint16_t bigswap(uint16_t x)
{
return x;
}
#else
inline uint64_t bigswap(uint64_t x)
{
return (x >> 56) | ((x << 40) & 0x00FF000000000000) | ((x << 24) & 0x0000FF0000000000) |
((x << 8) & 0x000000FF00000000) | ((x >> 8) & 0x00000000FF000000) |
((x >> 24) & 0x0000000000FF0000) | ((x >> 40) & 0x000000000000FF00) | (x << 56);
}
inline uint32_t bigswap(uint32_t x)
{
return (x >> 24) | ((x << 8) & 0x00FF0000) | ((x >> 8) & 0x0000FF00) | (x << 24);
}
inline uint16_t bigswap(uint16_t x)
{
return (x >> 8) | (x << 8);
}
#endif
inline int64_t bigswap(int64_t x)
{
return static_cast<int64_t>(bigswap(static_cast<uint64_t>(x)));
}
inline int32_t bigswap(int32_t x)
{
return static_cast<int32_t>(bigswap(static_cast<uint32_t>(x)));
}
inline int16_t bigswap(int16_t x)
{
return static_cast<int16_t>(bigswap(static_cast<uint16_t>(x)));
}
}
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