[elinks-users] LIST_HEAD and *prev *next

[Yan Seiner]

Kalle Olavi Niemitalo wrote:
> Yan Seiner <yan at seiner.com> writes:
>
>   
>> Could someone please clue me in on how to use *prev and *next pointers 
>> for struct form_control?
>>     
>
> It's a cyclic list and the sentinel is just a struct list_head
> rather than a full struct form_control.  Compare the pointer to
> &form->items, or preferably use the macros in src/util/lists.h.
>   
Hah!  OK, thanks.  That explains a lot.

> Please note bug 189 will require changing the representation of
> lists in a future version.
>   
OK, thanks for the head up.
>   
>> On another topic, I've commented out the find_form_state and subsequent 
>> free.  I haven't been able to find a 'free_form_state' type of 
>> function.  Could someone please clue me in on how to free the structure 
>> allocated with find_form_state?
>>     
>
> find_form_state extends the array to which view_state.form_info
> points, and destroy_vs eventually frees the whole array.  Do you
> have a specific reason to destroy the form_state before that?
>   
Nope.  Just my imperfect understanding of elinks - at first glance I 
thought that find_form_state creates a new structure...

> Because you're hacking the C code, it might be better to take
> this discussion to elinks-dev.
>   
OK, will do.

Thanks!

--Yan