//: C13:BadVoidPointerDeletion.cpp // From Thinking in C++, 2nd Edition // Available at http://www.BruceEckel.com // (c) Bruce Eckel 2000 // Copyright notice in Copyright.txt // Deleting void pointers can cause memory leaks #include using namespace std; class Object { void* data; // Some storage const int size; const char id; public: Object(int sz, char c) : size(sz), id(c) { data = new char[size]; cout << "Constructing object " << id << ", size = " << size << endl; } ~Object() { cout << "Destructing object " << id << endl; delete []data; // OK, just releases storage, // no destructor calls are necessary } }; int main() { Object* a = new Object(40, 'a'); delete a; void* b = new Object(40, 'b'); delete b; } ///:~