- long int tmp_long;
- char *end_ptr;
-
- errno = 0;
- tmp_long = strtol(optarg, &end_ptr, 10);
- if (!end_ptr || errno || tmp_long < 1) {
- bb_error_msg_and_die("invalid number of columns: `%s'", optarg);
- }
- width = (int) tmp_long;
+ width = bb_xgetlarg(optarg, 10, 1, 10000);