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>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 /* getopt not needed */
29 #include <sys/types.h>
32 #define VTNAME "/dev/tty%d"
34 int openvt_main(int argc, char **argv)
39 char vtname[sizeof VTNAME + 2];
41 char * cmd_args = NULL;
46 if (!isdigit(argv[1][0]))
49 vtno = (int) atol(argv[1]);
51 /* if (vtno <= 0 || vtno > 63) */
52 if (vtno <= 0 || vtno > 12)
53 error_msg_and_die("Illegal vt number (%d)", vtno);
55 sprintf(vtname, VTNAME, vtno);
58 cmd_args = xmalloc(80);
61 if((pid = fork()) == 0) {
62 /* leave current vt */
70 perror_msg_and_die("Unable to set new session");
72 close(0); /* so that new vt becomes stdin */
74 /* and grab new one */
75 if ((fd = open(vtname, O_RDWR)) == -1)
76 perror_msg_and_die("could not open %s", vtname);
78 /* Reassign stdout and sterr */
84 execvp(cmd, &argv[2]);
85 /*execlp(cmd, cmd_args);*/