60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
/*
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* $Id: Buffer.cpp,v 1.4 2006-12-10 16:13:50 bacon Exp $
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*/
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#include "stdafx.h"
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#include "Buffer.h"
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CBuffer::CBuffer ()
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{
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#ifdef _DEBUG
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TCHAR x[128];
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_sntprintf (x, 128, _T("CBuffer::CBuffer %p"), this);
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MessageBox (NULL, x, x, MB_OK);
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#endif
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str = NULL;
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}
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CBuffer::~CBuffer ()
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{
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#ifdef _DEBUG
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TCHAR x[128];
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_sntprintf (x, 128, _T("CBuffer::~CBuffer %p"), this);
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MessageBox (NULL, x, x, MB_OK);
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#endif
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if (str != NULL) SysFreeString (str);
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}
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STDMETHODIMP CBuffer::get_Value (BSTR *pVal)
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{
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if (str == NULL) *pVal = NULL;
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else
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{
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BSTR tmp = SysAllocStringLen(str, SysStringLen(str));
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if (tmp == NULL) return E_OUTOFMEMORY;
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*pVal = tmp;
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}
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return S_OK;
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}
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STDMETHODIMP CBuffer::put_Value (BSTR newVal)
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{
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if (str != NULL) SysFreeString (str);
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if (newVal == NULL) str = newVal;
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else
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{
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str = SysAllocStringLen (newVal, SysStringLen(newVal));
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if (str == NULL) return E_OUTOFMEMORY;
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}
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return S_OK;
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}
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BOOL CBuffer::PutValue (const TCHAR* val, SIZE_T len)
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{
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if (str != NULL) SysFreeString (str);
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str = SysAllocStringLen (val, len);
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return (str == NULL)? FALSE: TRUE;
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}
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