1 /* vi: set sw=4 ts=4: */
3 * openvt.c - open a vt to run a command.
5 * busyboxed by Quy Tonthat <quy@signal3.com>
6 * hacked by Tito <farmatito@tiscali.it>
8 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
11 /* getopt not needed */
15 int openvt_main(int argc, char **argv);
16 int openvt_main(int argc, char **argv)
19 char vtname[sizeof(VC_FORMAT) + 2];
24 /* check for illegal vt number: < 1 or > 63 */
25 sprintf(vtname, VC_FORMAT, (int)xatoul_range(argv[1], 1, 63));
29 /* leave current vt (controlling tty) */
31 /* and grab new one */
32 fd = xopen(vtname, O_RDWR);
33 /* Reassign stdin, stdout and sterr */
34 dup2(fd, STDIN_FILENO);
35 dup2(fd, STDOUT_FILENO);
36 dup2(fd, STDERR_FILENO);
37 while (fd > 2) close(fd--);
39 BB_EXECVP(argv[2], &argv[2]);