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c++boostshared-ptr

Can I create a boost::shared_ptr to a local variable?

I have some methods that take a reference to a given object, and some are taking boost::shared_ptr. So far in my test method I created a shared_ptr pointing to one of these objects and pass *ptr to the methods expecting a reference. Is it possible to do it the other way round, e.g. create a local object on the stack, and then create a shared pointer to it in a safe way, to arrive at the straightforward alternative to &obj operator with traditional pointers?

Solution 
  • #include <boost/shared_ptr.hpp>

void null_deleter(int *)
{}

int main()
{
    int i = 0;
    boost::shared_ptr<int> p(&i, &null_deleter);
}