- reliability.sc[1].items = xzalloc (sizeof (struct variable *)
- * reliability.sc[1].n_items);
-
- reliability.sc[2].items = xzalloc (sizeof (struct variable *) *
- reliability.sc[2].n_items);
+ reliability.sc[1].items = XCALLOC (reliability.sc[1].n_items, const struct variable *);
+ reliability.sc[2].items = XCALLOC (reliability.sc[2].n_items, const struct variable *);