diff options
Diffstat (limited to 'busybox/console-tools/openvt.c')
-rw-r--r-- | busybox/console-tools/openvt.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/busybox/console-tools/openvt.c b/busybox/console-tools/openvt.c new file mode 100644 index 0000000..5f24457 --- /dev/null +++ b/busybox/console-tools/openvt.c @@ -0,0 +1,84 @@ +/* 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)); + + argv+=2; + argc-=2; + + if(fork() == 0) { + /* leave current vt */ + +#ifdef ESIX_5_3_2_D + if (setpgrp() < 0) { +#else + if (setsid() < 0) { +#endif + + bb_perror_msg_and_die("Unable to set new session"); + } + close(0); /* so that new vt becomes stdin */ + + /* and grab new one */ + fd = bb_xopen(vtname, O_RDWR); + + /* Reassign stdout and sterr */ + close(1); + close(2); + dup(fd); + dup(fd); + + execvp(argv[0], argv); + _exit(1); + } + return EXIT_SUCCESS; +} + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |