1 /* vi: set sw=4 ts=4: */
3 * Disallocate virtual terminal(s)
5 * Copyright (C) 2003 by Tito Ragusa <farmatito@tiscali.it>
6 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
8 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
11 /* no options, no getopt */
15 /* From <linux/vt.h> */
16 enum { VT_DISALLOCATE = 0x5608 }; /* free memory associated to vt */
18 int deallocvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
19 int deallocvt_main(int argc UNUSED_PARAM, char **argv)
21 /* num = 0 deallocate all unused consoles */
27 num = xatou_range(argv[1], 1, 63);
30 /* double cast suppresses "cast to ptr from int of different size" */
31 xioctl(get_console_fd(), VT_DISALLOCATE, (void *)(ptrdiff_t)num);