Article ID: 167966
Article Last Modified on 7/5/2005
APPLIES TO
- Microsoft Visual C++ 5.0 Enterprise Edition
- Microsoft Visual C++ 6.0 Enterprise Edition
- Microsoft Visual C++ 5.0 Professional Edition
- Microsoft Visual C++ 6.0 Professional Edition
- Microsoft Visual C++ 6.0 Standard Edition
This article was previously published under Q167966
SYMPTOMS
When you create a static object created in a friend function, it is denied access to protected members of a class and compiler error C2248 appears as follows:
RESOLUTION
Create the static object using the new operator.
STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.
This problem was corrected in Microsoft Visual C++ .NET.
MORE INFORMATION
The following sample demonstrates the problem and the workaround.
Sample Code
#include <iostream>
//#define WORKAROUND //Uncomment this line for workaround
class A
{
protected:
A() { std::cout << "A()" << std::endl ;}
~A() { std::cout << "~A()" << std::endl ;};
friend A* GetA();
};
A* GetA()
{
#ifndef WORKAROUND
static A a ;
return &a ;
#else
static A *pA = new A;
return pA;
#endif
}
void main()
{
A *pA = GetA() ;
}
Keywords: kbbug kbfix kbnoupdate kbcode KB167966
