int list_attributes_hash_computer(list_t *l, element_hash_computer hash_computer_fun) {
if (l == NULL) return -1;
l->attrs.hasher = hash_computer_fun;
assert(list_attrOk(l));
return 0;
}
int list_attributes_unserializer(list_t *l, element_unserializer unserializer_fun) {
if (l == NULL) return -1;
l->attrs.unserializer = unserializer_fun;
assert(list_attrOk(l));
return 0;
}
/* list initialization */
int list_init(list_t *l) {
if (l == NULL) return -1;
srandom((unsigned long)time(NULL));
l->numels = 0;
/* head/tail sentinels and mid pointer */
l->head_sentinel = (struct list_entry_s *)malloc(sizeof(struct list_entry_s));
l->tail_sentinel = (struct list_entry_s *)malloc(sizeof(struct list_entry_s));
l->head_sentinel->next = l->tail_sentinel;
l->tail_sentinel->prev = l->head_sentinel;
l->head_sentinel->prev = l->tail_sentinel->next = l->mid = NULL;
l->head_sentinel->data = l->tail_sentinel->data = NULL;
/* iteration attributes */
l->iter_active = 0;
l->iter_pos = 0;
l->iter_curentry = NULL;
/* free-list attributes */
l->spareels = (struct list_entry_s **)malloc(SIMCLIST_MAX_SPARE_ELEMS * sizeof(struct list_entry_s *));
l->spareelsnum = 0;
#ifdef SIMCLIST_WITH_THREADS
l->threadcount = 0;
#endif
list_attributes_setdefaults(l);
assert(list_repOk(l));
assert(list_attrOk(l));
return 0;
}
int list_attributes_copy(list_t *l, element_meter metric_fun, int copy_data) {
if (metric_fun == NULL && copy_data != 0) return -1;
l->attrs.meter = metric_fun;
l->attrs.copy_data = copy_data;
assert(list_attrOk(l));
return 0;
}
int list_attributes_seeker(list_t *l, element_seeker seeker_fun) {
if (l == NULL) return -1;
l->attrs.seeker = seeker_fun;
assert(list_attrOk(l));
return 0;
}
/* setting list properties */
int list_attributes_comparator(list_t *l, element_comparator comparator_fun) {
if (l == NULL) return -1;
l->attrs.comparator = comparator_fun;
assert(list_attrOk(l));
return 0;
}
int list_attributes_setdefaults(list_t *l) {
l->attrs.comparator = NULL;
/* also free() element data when removing and element from the list */
l->attrs.meter = NULL;
l->attrs.copy_data = 0;
l->attrs.hasher = NULL;
assert(list_attrOk(l));
return 0;
}
