FastMemManip.h

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// FastMemManip.h
//
// Copyright (c) 1995-1998 - Richard Langlois and Grokksoft Inc.
//
// Licensed under GrokkSoft HoverRace SourceCode License v1.0(the "License");
// you may not use this file except in compliance with the License.
//
// A copy of the license should have been attached to the package from which
// you have taken this file. If you can not find the license you can not use
// this file.
//
//
// The author makes no representations about the suitability of
// this software for any purpose.  It is provided "as is" "AS IS",
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
//
// See the License for the specific language governing permissions
// and limitations under the License.
//

#pragma once

#include "MR_Types.h"

inline void MR_Mem32Set(MR_UInt32 * pDest, MR_UInt32 pValue, int pCount)
{
    for(int lCounter = 0; lCounter < pCount; lCounter++) {
        pDest[lCounter] = pValue;
    }
}

inline void MR_SmallMem16Set(MR_UInt16 * pDest, MR_UInt16 pValue, int pCount)
{
    for(int lCounter = 0; lCounter < pCount; lCounter++) {
        pDest[lCounter] = pValue;
    }
}

inline void MR_LargeMem16Set(MR_UInt16 * pDest, MR_UInt16 pValue, int pCount)
{
#if defined(_WIN32) && !defined(_WIN64)
    if(pCount > 0) {
        MR_UInt32 lValue = pValue | (pValue << 16);
        MR_UInt32 *lDest = (MR_UInt32 *) (((int) pDest) & ~1);

        pDest[pCount - 1] = pValue;

        if((int) pDest & 1) {
            *pDest = pValue;
            pCount--;
        }

        for(int lCounter = 0; lCounter < pCount / 2; lCounter++) {
            lDest[lCounter] = lValue;
        }
    }
#else
    MR_SmallMem16Set(pDest, pValue, pCount);
#endif
}