dev/cpp/mleak/mleak.cpp

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#include <boost/smart_ptr.hpp>
class Foo {
public:
boost::shared_ptr<Foo> s_ptr;
boost::weak_ptr<Foo> w_ptr;
Foo ()
{
std::cout << "Foo (): allocate big piece by " << this << std::endl;
}
~Foo ()
{
std::cout << "~Foo (): deallocate the piece by " << this << std::endl;
}
};
int main (int argc, char *argv[])
{
boost::shared_ptr<Foo> foo (new Foo);
if (1 < argc ? argv[1][0] - '0' : 0)
foo->s_ptr = boost::shared_ptr<Foo> (foo);
else
foo->w_ptr = boost::weak_ptr<Foo> (foo);
return 0;
}