Marc Nieper-Wißkirchen wrote: > > I don't understand. You want to use a list_node_t while adding nodes to > > the list? This is invalid, since the comments in gl_list.h say: > > > > /* Type representing the position of an element in the list, in a way > > that > > is more adapted to the list implementation than a plain index. > > Note: It is invalidated by insertions and removals! */ > > typedef struct gl_list_node_impl * gl_list_node_t; > > > > It won't work with removals but it does work with insertions because > gl_list_add_before/gl_list_add_after/... etc. all return new, valid list > node objects.
While this may be true for the linked-list implementation, it is not true for the array-list and other implementation. But the point of the Gnulib list module is to allow the developer to switch to a different implementation without changing their algorithms. [1] Bruno [1] https://savannah.gnu.org/forum/forum.php?forum_id=9898
