safebuffer.hpp

来自「液晶电视完整代码可实现人机界面」· HPP 代码 · 共 30 行

/**
 *   安全缓冲区对象  Version 1.0
 *
 */

#ifndef __SAFEBUFFER_H__
#define __SAFEBUFFER_H__

#include "common.hpp"

// this class copy from CString

class SafeBuffer 
{
public:
    SafeBuffer(int nBufferLen);
    ~SafeBuffer() { if(m_pBuffer) delete[] m_pBuffer; }
    char * GetBuffer() { return m_pBuffer; }
    operator char*() { return m_pBuffer; }
    int GetLength() { return m_nLength; }
    char * GetBufferSetLength(int nBufferLen);

private:
    char * m_pBuffer;
    int m_nLength;
};

#endif