Sebastian Nowicki wrote:
> I noticed that alpm_list_last simply returns a pointer to the previous
> node. Is this expected behavior? My interpretation of "last" would be
> to return the absolute last node, as the comment suggests. In my
> opinion the function as it is now should be called alpm_list_prev.
>
> From alpm_list.c:
>> alpm_list_t SYMEXPORT *alpm_list_last(const alpm_list_t *list)
>> {
>> if(list) {
>> return(list->prev);
>> } else {
>> return(NULL);
>> }
>> }
>
That's because a alpm_list_t element is not really a list, but a list node.
So when you use a list in alpm (with alpm_list_t *list), it's actually
just the head node that you manipulate.
And head->prev == tail.
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