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/****************************************************************************
* *
* PrimeSense Sensor 5.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of PrimeSense Sensor. *
* *
* PrimeSense Sensor is free software: you can redistribute it and/or modify*
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* PrimeSense Sensor is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with PrimeSense Sensor. If not, see <http://www.gnu.org/licenses/>.*
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnBuffer.h"
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XnStatus XnBuffer::Allocate(XnUInt32 nAllocSize)
{
Free();
XN_VALIDATE_ALIGNED_CALLOC(m_pData, XnUChar, nAllocSize, XN_DEFAULT_MEM_ALIGN);
m_nMaxSize = nAllocSize;
m_nSize = 0;
m_bAllocated = TRUE;
return (XN_STATUS_OK);
}
void XnBuffer::SetExternalBuffer(XnUChar* pBuffer, XnUInt32 nSize)
{
Free();
m_pData = pBuffer;
m_nMaxSize = nSize;
m_nSize = 0;
m_bAllocated = FALSE;
}
XnStatus XnBuffer::Write(const XnUChar* pData, XnUInt32 nDataSize)
{
if (GetFreeSpaceInBuffer() < nDataSize)
return XN_STATUS_INTERNAL_BUFFER_TOO_SMALL;
UnsafeWrite(pData, nDataSize);
return (XN_STATUS_OK);
}
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