| /* vi: set sw=4 ts=4: */ |
| /* |
| * openvt.c - open a vt to run a command. |
| * |
| * busyboxed by Quy Tonthat <quy@signal3.com> |
| * hacked by Tito <farmatito@tiscali.it> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| /* getopt not needed */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <ctype.h> |
| |
| #include "busybox.h" |
| |
| int openvt_main(int argc, char **argv) |
| { |
| int fd; |
| char vtname[sizeof(VC_FORMAT) + 2]; |
| |
| |
| if (argc < 3) { |
| bb_show_usage(); |
| } |
| /* check for Illegal vt number: < 1 or > 12 */ |
| sprintf(vtname, VC_FORMAT, (int)bb_xgetlarg(argv[1], 10, 1, 12)); |
| |
| if (fork() == 0) { |
| /* leave current vt */ |
| if (setsid() < 0) { |
| bb_perror_msg_and_die("setsid"); |
| } |
| close(0); /* so that new vt becomes stdin */ |
| |
| /* and grab new one */ |
| fd = bb_xopen(vtname, O_RDWR); |
| |
| /* Reassign stdout and sterr */ |
| dup2(fd, STDOUT_FILENO); |
| dup2(fd, STDERR_FILENO); |
| |
| execvp(argv[2], &argv[2]); |
| _exit(1); |
| } |
| return EXIT_SUCCESS; |
| } |
| |
| /* |
| Local Variables: |
| c-file-style: "linux" |
| c-basic-offset: 4 |
| tab-width: 4 |
| End: |
| */ |