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https://github.com/VCMP-SqMod/SqMod.git
synced 2025-06-17 07:37:13 +02:00
Major plugin refactor and cleanup.
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
This commit is contained in:
Sandu Liviu Catalin
268
vendor/POCO/Foundation/include/Poco/ByteOrder.h
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268
vendor/POCO/Foundation/include/Poco/ByteOrder.h
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//
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// ByteOrder.h
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//
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// Library: Foundation
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// Package: Core
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// Module: ByteOrder
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//
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// Copyright (c) 2004-2014, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_ByteOrder_INCLUDED
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#define Foundation_ByteOrder_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Types.h"
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#if defined(_MSC_VER)
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#include <stdlib.h> // builtins
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#endif
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namespace Poco {
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class Foundation_API ByteOrder
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/// This class contains a number of static methods
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/// to convert between big-endian and little-endian
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/// integers of various sizes.
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{
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public:
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static Int16 flipBytes(Int16 value);
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static UInt16 flipBytes(UInt16 value);
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static Int32 flipBytes(Int32 value);
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static UInt32 flipBytes(UInt32 value);
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static float flipBytes(float value);
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static double flipBytes(double value);
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#if defined(POCO_HAVE_INT64)
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static Int64 flipBytes(Int64 value);
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static UInt64 flipBytes(UInt64 value);
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#endif
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static Int16 toBigEndian(Int16 value);
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static UInt16 toBigEndian (UInt16 value);
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static Int32 toBigEndian(Int32 value);
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static UInt32 toBigEndian (UInt32 value);
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#if defined(POCO_HAVE_INT64)
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static Int64 toBigEndian(Int64 value);
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static UInt64 toBigEndian (UInt64 value);
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#endif
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static Int16 fromBigEndian(Int16 value);
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static UInt16 fromBigEndian (UInt16 value);
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static Int32 fromBigEndian(Int32 value);
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static UInt32 fromBigEndian (UInt32 value);
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#if defined(POCO_HAVE_INT64)
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static Int64 fromBigEndian(Int64 value);
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static UInt64 fromBigEndian (UInt64 value);
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#endif
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static Int16 toLittleEndian(Int16 value);
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static UInt16 toLittleEndian (UInt16 value);
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static Int32 toLittleEndian(Int32 value);
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static UInt32 toLittleEndian (UInt32 value);
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#if defined(POCO_HAVE_INT64)
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static Int64 toLittleEndian(Int64 value);
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static UInt64 toLittleEndian (UInt64 value);
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#endif
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static Int16 fromLittleEndian(Int16 value);
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static UInt16 fromLittleEndian (UInt16 value);
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static Int32 fromLittleEndian(Int32 value);
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static UInt32 fromLittleEndian (UInt32 value);
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#if defined(POCO_HAVE_INT64)
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static Int64 fromLittleEndian(Int64 value);
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static UInt64 fromLittleEndian (UInt64 value);
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#endif
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static Int16 toNetwork(Int16 value);
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static UInt16 toNetwork (UInt16 value);
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static Int32 toNetwork(Int32 value);
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static UInt32 toNetwork (UInt32 value);
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#if defined(POCO_HAVE_INT64)
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static Int64 toNetwork(Int64 value);
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static UInt64 toNetwork (UInt64 value);
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#endif
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static Int16 fromNetwork(Int16 value);
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static UInt16 fromNetwork (UInt16 value);
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static Int32 fromNetwork(Int32 value);
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static UInt32 fromNetwork (UInt32 value);
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#if defined(POCO_HAVE_INT64)
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static Int64 fromNetwork(Int64 value);
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static UInt64 fromNetwork (UInt64 value);
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#endif
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private:
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template<typename T>
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static T flip(T value)
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{
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T flip = value;
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std::size_t halfSize = sizeof(T) / 2;
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char* flipP = reinterpret_cast<char*>(&flip);
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for (std::size_t i = 0; i < halfSize; i++)
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{
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std::swap(flipP[i], flipP[sizeof(T) - i - 1]);
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}
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return flip;
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}
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};
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#if !defined(POCO_NO_BYTESWAP_BUILTINS)
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#if defined(_MSC_VER)
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#if (POCO_MSVC_VERSION > 71)
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#define POCO_HAVE_MSC_BYTESWAP 1
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#endif
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#elif defined(__clang__)
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#if __has_builtin(__builtin_bswap32)
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#define POCO_HAVE_GCC_BYTESWAP 1
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#endif
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#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
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#define POCO_HAVE_GCC_BYTESWAP 1
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#endif
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#endif
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//
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// inlines
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//
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inline UInt16 ByteOrder::flipBytes(UInt16 value)
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{
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#if defined(POCO_HAVE_MSC_BYTESWAP)
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return _byteswap_ushort(value);
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#else
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return ((value >> 8) & 0x00FF) | ((value << 8) & 0xFF00);
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#endif
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}
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inline Int16 ByteOrder::flipBytes(Int16 value)
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{
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return Int16(flipBytes(UInt16(value)));
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}
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inline UInt32 ByteOrder::flipBytes(UInt32 value)
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{
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#if defined(POCO_HAVE_MSC_BYTESWAP)
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return _byteswap_ulong(value);
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#elif defined(POCO_HAVE_GCC_BYTESWAP)
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return __builtin_bswap32(value);
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#else
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return ((value >> 24) & 0x000000FF) | ((value >> 8) & 0x0000FF00)
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| ((value << 8) & 0x00FF0000) | ((value << 24) & 0xFF000000);
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#endif
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}
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inline Int32 ByteOrder::flipBytes(Int32 value)
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{
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return Int32(flipBytes(UInt32(value)));
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}
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inline float ByteOrder::flipBytes(float value)
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{
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return flip(value);
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}
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inline double ByteOrder::flipBytes(double value)
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{
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return flip(value);
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}
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#if defined(POCO_HAVE_INT64)
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inline UInt64 ByteOrder::flipBytes(UInt64 value)
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{
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#if defined(POCO_HAVE_MSC_BYTESWAP)
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return _byteswap_uint64(value);
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#elif defined(POCO_HAVE_GCC_BYTESWAP)
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return __builtin_bswap64(value);
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#else
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UInt32 hi = UInt32(value >> 32);
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UInt32 lo = UInt32(value & 0xFFFFFFFF);
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return UInt64(flipBytes(hi)) | (UInt64(flipBytes(lo)) << 32);
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#endif
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}
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inline Int64 ByteOrder::flipBytes(Int64 value)
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{
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return Int64(flipBytes(UInt64(value)));
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}
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#endif // POCO_HAVE_INT64
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//
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// some macro trickery to automate the method implementation
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//
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#define POCO_IMPLEMENT_BYTEORDER_NOOP_(op, type) \
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inline type ByteOrder::op(type value) \
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{ \
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return value; \
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}
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#define POCO_IMPLEMENT_BYTEORDER_FLIP_(op, type) \
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inline type ByteOrder::op(type value) \
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{ \
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return flipBytes(value); \
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}
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#if defined(POCO_HAVE_INT64)
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#define POCO_IMPLEMENT_BYTEORDER_NOOP(op) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, Int16) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, UInt16) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, Int32) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, UInt32) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, Int64) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, UInt64)
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#define POCO_IMPLEMENT_BYTEORDER_FLIP(op) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, Int16) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, UInt16) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, Int32) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, UInt32) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, Int64) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, UInt64)
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#else
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#define POCO_IMPLEMENT_BYTEORDER_NOOP(op) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, Int16) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, UInt16) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, Int32) \
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POCO_IMPLEMENT_BYTEORDER_NOOP_(op, UInt32)
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#define POCO_IMPLEMENT_BYTEORDER_FLIP(op) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, Int16) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, UInt16) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, Int32) \
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POCO_IMPLEMENT_BYTEORDER_FLIP_(op, UInt32)
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#endif
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#if defined(POCO_ARCH_BIG_ENDIAN)
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#define POCO_IMPLEMENT_BYTEORDER_BIG POCO_IMPLEMENT_BYTEORDER_NOOP
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#define POCO_IMPLEMENT_BYTEORDER_LIT POCO_IMPLEMENT_BYTEORDER_FLIP
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#else
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#define POCO_IMPLEMENT_BYTEORDER_BIG POCO_IMPLEMENT_BYTEORDER_FLIP
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#define POCO_IMPLEMENT_BYTEORDER_LIT POCO_IMPLEMENT_BYTEORDER_NOOP
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#endif
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POCO_IMPLEMENT_BYTEORDER_BIG(toBigEndian)
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POCO_IMPLEMENT_BYTEORDER_BIG(fromBigEndian)
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POCO_IMPLEMENT_BYTEORDER_BIG(toNetwork)
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POCO_IMPLEMENT_BYTEORDER_BIG(fromNetwork)
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POCO_IMPLEMENT_BYTEORDER_LIT(toLittleEndian)
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POCO_IMPLEMENT_BYTEORDER_LIT(fromLittleEndian)
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} // namespace Poco
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#endif // Foundation_ByteOrder_INCLUDED
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