96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
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/*******************************************************************************
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* SapiArray.h *
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*------------*
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* Description:
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* This is the header file for SAPI internal array stuff.
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*
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* Copyright 1998-2000 Microsoft Corporation All Rights Reserved.
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*
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*******************************************************************************/
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#ifndef SPDebug_h
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#include <SPDebug.h>
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#endif
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template <class T>
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HRESULT CopyAndExpandArray(T ** ppArraySrc, ULONG CurSize, T ** ppArrayDest, ULONG NewSize, BOOL fZeroMem = true)
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{
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T * pNew = new T[NewSize];
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if (pNew && ( CurSize < NewSize ))
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{
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if (CurSize)
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{
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memcpy(pNew, *ppArraySrc, sizeof(T) * CurSize);
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}
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if (fZeroMem)
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{
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memset(pNew + CurSize, 0, sizeof(T) * (NewSize - CurSize));
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}
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*ppArrayDest = pNew;
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return S_OK;
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}
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else if( pNew )
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{
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if( CurSize )
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{
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memcpy( pNew, *ppArraySrc, sizeof(T) * NewSize );
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}
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else if( fZeroMem )
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{
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memset( pNew , 0, sizeof(T) * NewSize );
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}
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*ppArrayDest = pNew;
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return S_OK;
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}
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else
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{
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return E_OUTOFMEMORY;
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}
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}
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template <class T>
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HRESULT ReallocateArray(T ** ppArray, ULONG CurSize, ULONG NewSize, BOOL fZeroMem = true)
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{
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T * pNew = new T[NewSize];
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SPDBG_ASSERT(CurSize <= NewSize);
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if (pNew)
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{
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if (CurSize)
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{
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memcpy(pNew, *ppArray, sizeof(T) * CurSize);
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}
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if (fZeroMem)
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{
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memset(pNew + CurSize, 0, sizeof(T) * (NewSize - CurSize));
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}
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delete[] *ppArray;
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*ppArray = pNew;
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return S_OK;
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}
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else
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{
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return E_OUTOFMEMORY;
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}
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}
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template <class T>
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HRESULT AllocateArray(T ** ppArray, ULONG Size, BOOL fZeroMem = true)
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{
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SPDBG_ASSERT(*ppArray == NULL);
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*ppArray = new T[Size];
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if (*ppArray)
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{
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if (fZeroMem)
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{
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memset(*ppArray, 0, sizeof(T) * Size);
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}
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return S_OK;
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}
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else
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{
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return E_OUTOFMEMORY;
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}
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}
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