Memory.h

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// Copyright Onix Solutions Limited [OnixS]. All rights reserved.
//
// This software owned by Onix Solutions Limited [OnixS] and is
// protected by copyright law and international copyright treaties.
//
// Access to and use of the software is governed by the terms of the applicable
// OnixS Software Services Agreement (the Agreement) and Customer end user license
// agreements granting a non-assignable, non-transferable and non-exclusive license
// to use the software for it's own data processing purposes under the terms defined
// in the Agreement.
//
// Except as otherwise granted within the terms of the Agreement, copying or
// reproduction of any part of this source code or associated reference material
// to any other location for further reproduction or redistribution, and any
// amendments to this copyright notice, are expressly prohibited.
//
// Any reproduction or redistribution for sale or hiring of the Software not in
// accordance with the terms of the Agreement is a violation of copyright law.
//
 
#pragma once
 
#include <cstddef>
 
#include <OnixS/CME/MDH/Integral.h>
 
ONIXS_CMEMDH_NAMESPACE_BEGIN

typedef UInt8 Byte;

typedef UInt16 Word;

typedef UInt32 DWord;

typedef UInt64 QWord;
 
//

template <typename Type>
inline void* toOpaquePtr(Type* ptr)
{
    return static_cast<void*>(ptr);
}

template <typename Type>
inline const void* toOpaquePtr(const Type* ptr)
{
    return static_cast<const void*>(ptr);
}

template <typename Type>
inline Byte* toByteBlock(Type* ptr)
{
    return static_cast<Byte*>(toOpaquePtr(ptr));
}

template <typename Type>
inline const Byte* toByteBlock(const Type* ptr)
{
    return static_cast<const Byte*>(toOpaquePtr(ptr));
}

template <typename Type>
inline Type* advanceByBytes(Type* pointer, ptrdiff_t distance)
{
    return reinterpret_cast<Type*>(toByteBlock(pointer) + distance);
}

template <typename Type>
inline Type* advanceBackByBytes(Type* pointer, ptrdiff_t distance)
{
    return reinterpret_cast<Type*>(toByteBlock(pointer) - distance);
}

template <typename Left, typename Right>
inline ptrdiff_t byteDistance(Left* left, Right* right)
{
    return (toByteBlock(left) - toByteBlock(right));
}
 
ONIXS_CMEMDH_NAMESPACE_END