- char *const old_data = (char *) dynar->data;
-
- const unsigned long elmsize = dynar->elmsize;
-
- const unsigned long used = dynar->used;
- const unsigned long used_length = used * elmsize;
-
- const unsigned long new_size =
- nb > (2 * (old_size + 1)) ? nb : (2 * (old_size + 1));
- const unsigned long new_length = new_size * elmsize;
- char *const new_data = (char *) xbt_malloc0(elmsize * new_size);
-
- XBT_DEBUG("expand %p from %lu to %lu elements", (void *) dynar,
- (unsigned long) old_size, nb);
-
- if (old_data) {
- memcpy(new_data, old_data, used_length);
- free(old_data);
- }
-
- _xbt_clear_mem(new_data + used_length, new_length - used_length);
-
- dynar->size = new_size;
- dynar->data = new_data;
+ const unsigned long expand = 2 * (old_size + 1);
+ _xbt_dynar_resize(dynar, (nb > expand ? nb : expand));
+ XBT_DEBUG("expand %p from %lu to %lu elements",
+ dynar, old_size, dynar->size);