cppsafedivide.h

来自「window下的多线程编程参考书。值得一读」· C头文件 代码 · 共 61 行

//
// FILE: CppSafeDivide.h
//
// Copyright (c) 1997 by Aaron Michael Cohen and Mike Woodring
//
/////////////////////////////////////////////////////////////////////////

#ifndef __CppSafeDivide__
#define __CppSafeDivide__

// CWin32Exception
//
// A C++ object that is thrown in response to a Win32 exception
// and that can be caught C++ style.
//
class CWin32Exception 
{
    public:
        CWin32Exception( unsigned int ExceptionCode )
            : m_ExceptionCode(ExceptionCode)
        {
        }

        unsigned int GetCode( void )
        {
            return(m_ExceptionCode);
        }

        virtual char *GetText( void )
        {
            return("unhandled exception");
        }

    private:
        unsigned int m_ExceptionCode;
};

// CIntDivideByZero
//
// A derivation of CWin32Exception that overrides the
// GetText virtual function to announce that a divide
// by zero exception occurred. 
//
class CIntDivideByZero : public CWin32Exception
{
    public:
        CIntDivideByZero( unsigned int ExceptionCode )
            : CWin32Exception(ExceptionCode)
        {
        }

        virtual char *GetText( void )
        {
            return("divide by zero");
        }
};

#endif // __CppSafeDivide__