+ /* Add up all the entity->lengths */
+ length = 0;
+ for (i=0; i < nentities; i++)
+ {
+ length += entity[i].length;
+ }
+ /* Add in space for the '/' character(s) (if any) */
+ length += nentities-1;
+ /* Space for the ('@'+realm+NULL | NULL) */
+ length += ((realm)? realm->length + 2: 1);
+