exception.cpp

一个自行开发的内存数据管理的包

#pragma VERSIONID "@(#)Exception.cpp version 1.0"

#include "Exception.h"	
#include <stdio.h>
#include <string.h>
#include <stdarg.h>

Exception::Exception(const int errClass, const int errCode, const char *eventMsg)
{
	_class = errClass;
	_code = errCode;
	_eventMsg = new char[strlen(eventMsg) + 1];				//动态分配的内存空间
	strcpy(_eventMsg, eventMsg);
}

Exception::Exception(const Exception& exception) 
{
	_class = exception._class;
	_code = exception._code; 
	_eventMsg = new char[strlen(exception._eventMsg) + 1];  //动态分配的内存空间
	strcpy(_eventMsg, exception._eventMsg);
}
Exception& Exception::operator=(const Exception& other)
{
    if (&other == this)
        return *this;
	if (0 != _eventMsg) 
	{
		delete [] _eventMsg;  //释放动态分配的内存空间
	}
	_class = other._class;
	_code = other._code; 
	_eventMsg = new char[strlen(other._eventMsg) + 1];  //动态分配的内存空间
	strcpy(_eventMsg, other._eventMsg);
	return *this;    
}
Exception::~Exception ()
{
	if (0 != _eventMsg) 
	{
		delete [] _eventMsg;  //释放动态分配的内存空间
	}
}

void throwException(int nClass,int nCode,const char *pMsg,...)
{
	char pBuf[1025];
	
	va_list pArgs;
	va_start(pArgs, pMsg);
	vsnprintf(pBuf,1025,pMsg,pArgs);
	va_end(pArgs);
	Exception e( nClass,nCode,pBuf );
	throw e;
}