+bool push_item(struct argpar_item_array * const array,
+ struct argpar_item * const item)
+{
+ bool success;
+
+ ARGPAR_ASSERT(array);
+ ARGPAR_ASSERT(item);
+
+ if (array->n_items == array->n_alloc) {
+ unsigned int new_n_alloc = array->n_alloc * 2;
+ struct argpar_item **new_items;
+
+ new_items = argpar_realloc(array->items,
+ struct argpar_item *, new_n_alloc);
+ if (!new_items) {
+ success = false;
+ goto end;
+ }
+
+ array->n_alloc = new_n_alloc;
+ array->items = new_items;
+ }
+
+ array->items[array->n_items] = item;
+ array->n_items++;
+
+ success = true;
+
+end:
+ return success;
+}
+
+static
+void destroy_item_array(struct argpar_item_array * const array)
+{
+ if (array) {
+ unsigned int i;
+
+ for (i = 0; i < array->n_items; i++) {
+ destroy_item(array->items[i]);
+ }
+
+ free(array->items);
+ free(array);
+ }
+}
+
+static
+struct argpar_item_array *new_item_array(void)
+{
+ struct argpar_item_array *ret;
+ const int initial_size = 10;
+
+ ret = argpar_zalloc(struct argpar_item_array);
+ if (!ret) {
+ goto end;
+ }
+
+ ret->items = argpar_calloc(struct argpar_item *, initial_size);
+ if (!ret->items) {
+ goto error;
+ }
+
+ ret->n_alloc = initial_size;
+
+ goto end;
+
+error:
+ destroy_item_array(ret);
+ ret = NULL;
+
+end:
+ return ret;
+}
+
+static
+struct argpar_item_opt *create_opt_item(
+ const struct argpar_opt_descr * const descr,