std::auto_ptr::reset (3) Linux Manual Page

std::auto_ptr<T>::reset – std::auto_ptr<T>::reset

Synopsis

void reset(T *p = 0) throw();
(deprecated in C++ 11)(removed in C++ 17)

Replaces the held pointer by p. If the currently held pointer is not null pointer, delete get() is called.

Parameters

p – a pointer to an object to manage

Return value

(none)

See also

        releases ownership of the managed object
release (public member function)