49 lines
949 B
C++
49 lines
949 B
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TStaticBuffer.cpp
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// = Version : ver2.0
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// = Author :
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// = CreateDate : 2002-09-09
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// = Description: TStaticBuffer 定义
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#include "StdAfx.h"
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#include "TStaticBuffer.h"
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TStaticBuffer::TStaticBuffer(char *pBuf, int nSize)
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: m_pBuf(pBuf), m_nSize(nSize)
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{
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m_nPos = 0;
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}
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TStaticBuffer::~TStaticBuffer()
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{
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if (m_pBuf)
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{
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delete m_pBuf;
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}
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}
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int TStaticBuffer::IsEOF()
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{
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return (m_nPos >= m_nSize);
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}
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int TStaticBuffer::operator !()
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{
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return (!m_pBuf || IsEOF());
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}
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int TStaticBuffer::Read(void *pDest, int nCount)
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{
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if (m_nPos + nCount > m_nSize)
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{
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return 0;
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}
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memcpy(pDest, &m_pBuf[m_nPos], nCount);
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m_nPos += nCount;
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return 1;
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} |