mirror of
https://github.com/Mauler125/r5sdk.git
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c187bed4c5
* Fully rewritten protocol agnostic CNetAdr class * Fully rebuilded legacy CNetAdr class * Fully rebuilded dual-stack CSocketCreator class * New project "netconsole" added (lightweight netconsole for RCON) RCON is still work in progress
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
//===========================================================================//
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//
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// Purpose: basic endian swap utils.
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//
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//===========================================================================//
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#pragma once
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template <typename T>
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inline T WordSwapC(T w)
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{
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std::uint16_t swap;
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static_assert(sizeof(T) == sizeof(std::uint16_t));
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swap = ((*((std::uint16_t*)&w) & 0xff00) >> 8);
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swap |= ((*((std::uint16_t*)&w) & 0x00ff) << 8);
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return *((T*)&swap);
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}
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template <typename T>
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inline T DWordSwapC(T dw)
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{
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std::uint32_t swap;
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static_assert(sizeof(T) == sizeof(std::uint32_t));
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swap = *((std::uint32_t*)&dw) >> 24;
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swap |= ((*((std::uint32_t*)&dw) & 0x00FF0000) >> 8);
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swap |= ((*((std::uint32_t*)&dw) & 0x0000FF00) << 8);
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swap |= ((*((std::uint32_t*)&dw) & 0x000000FF) << 24);
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return *((T*)&swap);
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}
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template <typename T>
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inline T QWordSwapC(T dw)
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{
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static_assert(sizeof(dw) == sizeof(std::uint64_t));
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std::uint64_t swap;
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swap = *((std::uint64_t*)&dw) >> 56;
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swap |= ((*((std::uint64_t*)&dw) & 0x00FF000000000000ull) >> 40);
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swap |= ((*((std::uint64_t*)&dw) & 0x0000FF0000000000ull) >> 24);
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swap |= ((*((std::uint64_t*)&dw) & 0x000000FF00000000ull) >> 8);
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swap |= ((*((std::uint64_t*)&dw) & 0x00000000FF000000ull) << 8);
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swap |= ((*((std::uint64_t*)&dw) & 0x0000000000FF0000ull) << 24);
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swap |= ((*((std::uint64_t*)&dw) & 0x000000000000FF00ull) << 40);
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swap |= ((*((std::uint64_t*)&dw) & 0x00000000000000FFull) << 56);
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return *((T*)&swap);
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}
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