if (pdata->nr_objects >= pdata->nr_alloc) {
                pdata->nr_alloc = (pdata->nr_alloc  + 1024) * 3 / 2;
-               pdata->objects = xrealloc(pdata->objects,
-                                         pdata->nr_alloc * sizeof(*new_entry));
+               REALLOC_ARRAY(pdata->objects, pdata->nr_alloc);
        }
 
        new_entry = pdata->objects + pdata->nr_objects++;