}
 
        if (!read_stdin)
-               return opt->diffopt.exit_with_status ?
-                   opt->diffopt.has_changes: 0;
+               return DIFF_OPT_TST(&opt->diffopt, EXIT_WITH_STATUS)
+                       && DIFF_OPT_TST(&opt->diffopt, HAS_CHANGES);
 
        if (opt->diffopt.detect_rename)
                opt->diffopt.setup |= (DIFF_SETUP_USE_SIZE_CACHE |
                else
                        diff_tree_stdin(line);
        }
-       return opt->diffopt.exit_with_status ? opt->diffopt.has_changes: 0;
+       return DIFF_OPT_TST(&opt->diffopt, EXIT_WITH_STATUS)
+               && DIFF_OPT_TST(&opt->diffopt, HAS_CHANGES);
 }