Advanced Search

Return to Snippet

Revision: 54243
at December 16, 2011 09:52 by huanglx
Initial Code 
class Number {
public:
   Number() { cout << "number constructor" << endl; }
   ~Number() { cout << "number destructor" << endl; }
};

class Photo {
public:
   Photo() { cout << "photo constructor" << endl; }
   ~Photo() { cout << "photo destructor" << endl; }
};

class Voice {
public:
   Exp() { throw -1; }
   ~Exp() {}
};

class Entry {
public:
  Entry() : m_number(new Number()), 
            m_photo(new Photo()),
	    m_voice(new Voice())
	{}
  ~Entry() {}
private:
  const auto_ptr<Number> m_number;
  const auto_ptr<Photo> m_photo;
  const auto_ptr<Voice> m_voice;
};


try {
   Entry * entry = new Entry();
} catch ( int e ) {
   cout << "m_number and m_photo have been cleaned up" << endl;
}
Initial URL 

                                

                                                            

                                    

                                        

                                        Initial Description
                                        

                                    

                                    
An example showing how to solve the memory leak problem in constructor

                                

                                                            

                                    

                                        

                                        Initial Title
                                        

                                    

                                    
Memory Leak in Constructor (C++)

                                

                                                            

                                    

                                        

                                        Initial Tags
                                        

                                    

                                    
c++

                                

                                                            

                                    

                                        

                                        Initial Language
                                        

                                    

                                    
C++