int deallocvt_main(int argc, char *argv[])
{
- int fd, num, i;
+ int fd, num=0;
- //if ((argc > 2) || ((argv == 2) && (**(argv + 1) == '-')))
if (argc > 2)
bb_show_usage();
fd = get_console_fd();
+
+ /* num=0 deallocate all unused consoles */
+ if (argc == 1)
+ goto disallocate_all;
- if (argc == 1) {
- /* deallocate all unused consoles */
- if (ioctl(fd, VT_DISALLOCATE, 0))
- bb_perror_msg_and_die("VT_DISALLOCATE");
- } else {
- for (i = 1; i < argc; i++) {
- num = atoi(argv[i]);
- if (num == 0)
- bb_error_msg("0: illegal VT number");
- else if (num == 1)
- bb_error_msg("VT 1 cannot be deallocated");
- else if (ioctl(fd, VT_DISALLOCATE, num))
+ num=bb_xgetlarg(argv[1], 10, 0, INT_MAX);
+
+ switch(num)
+ {
+ case 0:
+ bb_error_msg("0: illegal VT number");
+ break;
+ case 1:
+ bb_error_msg("VT 1 cannot be deallocated");
+ break;
+ default:
+disallocate_all:
+ if (ioctl(fd, VT_DISALLOCATE, num))
bb_perror_msg_and_die("VT_DISALLOCATE");
- }
+ return EXIT_SUCCESS;
}
-
- return EXIT_SUCCESS;
+ return EXIT_FAILURE;
}
opt+=2;
break;
case 'n':
- n = bb_xgetlarg(optarg, 10, 1, LONG_MAX);
+ n = bb_xgetlarg(optarg, 10, 1, INT_MAX);
break;
default:
bb_show_usage();