/* invalid option */
pr_error("%s: option '-%c' is invalid: ignored\n",
argv[0], optopt);
+ /* print the help message for invalid options */
+ hflag = 1;
break;
}
}
if (hflag) {
print_usage(argv[0]);
- } else if (lflag){
+ } else if (lflag) {
do_lexical_analysis();
} else {
do_syntactic_analysis();