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)
18 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));
28 /* leave current vt */
30 bb_perror_msg_and_die("setsid");
32 close(0); /* so that new vt becomes stdin */
34 /* and grab new one */
35 fd = xopen(vtname, O_RDWR);
37 /* Reassign stdout and sterr */
38 dup2(fd, STDOUT_FILENO);
39 dup2(fd, STDERR_FILENO);
41 execvp(argv[2], &argv[2]);