1.1 --- a/src/array_list.c Wed Feb 08 20:26:26 2023 +0100
1.2 +++ b/src/array_list.c Wed Feb 15 16:48:11 2023 +0100
1.3 @@ -395,6 +395,21 @@
1.4 }
1.5 }
1.6
1.7 +static void cx_arl_iter_prev(void *it) {
1.8 + struct cx_iterator_base_s *itbase = it;
1.9 + struct cx_mut_iterator_s *iter = it;
1.10 + cx_array_list *const list = iter->src_handle;
1.11 + if (itbase->remove) {
1.12 + itbase->remove = false;
1.13 + cx_arl_remove(iter->src_handle, iter->index);
1.14 + }
1.15 + iter->index--;
1.16 + if (iter->index < list->base.size) {
1.17 + iter->elem_handle = ((char *) list->data)
1.18 + + iter->index * list->base.itemsize;
1.19 + }
1.20 +}
1.21 +
1.22 static bool cx_arl_iter_flag_rm(void *it) {
1.23 struct cx_iterator_base_s *iter = it;
1.24 if (iter->mutating) {
1.25 @@ -407,7 +422,8 @@
1.26
1.27 static struct cx_iterator_s cx_arl_iterator(
1.28 struct cx_list_s const *list,
1.29 - size_t index
1.30 + size_t index,
1.31 + bool backwards
1.32 ) {
1.33 struct cx_iterator_s iter;
1.34
1.35 @@ -416,7 +432,7 @@
1.36 iter.elem_handle = cx_arl_at(list, index);
1.37 iter.base.valid = cx_arl_iter_valid;
1.38 iter.base.current = cx_arl_iter_current;
1.39 - iter.base.next = cx_arl_iter_next;
1.40 + iter.base.next = backwards ? cx_arl_iter_prev : cx_arl_iter_next;
1.41 iter.base.flag_removal = cx_arl_iter_flag_rm;
1.42 iter.base.remove = false;
1.43 iter.base.mutating = false;
