Re: unchecked_deallocation

[Larry Hazel <lhhazel@otelco.net>]

Felix Engemann wrote:
> Hi all,
> 
> I'm just writing a generic double linked list package.
> I want to implement a function destroy_list, wich should return null
> and free the space. My question is:
> 
> is all the space freed, if i set a pointer to the first node and then free the
> space with free(pointer_to_first_node)
> 
> or do i have to delete and free from node to node, in order to free all the
> space ?
> 
> Thanx Felix

You must deallocate every node individually.  Use a recursive procedure (not a 
function) to do this.  Returning a null pointer serves no purpose.

Larry