busybox/console-tools/openvt.c

36 lines
766 B
C
Raw Normal View History

2002-09-16 08:46:06 +05:30
/* 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>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
2002-09-16 08:46:06 +05:30
*/
/* getopt not needed */
#include "libbb.h"
2002-09-16 08:46:06 +05:30
int openvt_main(int argc, char **argv);
2002-09-16 08:46:06 +05:30
int openvt_main(int argc, char **argv)
{
2006-03-11 04:46:25 +05:30
char vtname[sizeof(VC_FORMAT) + 2];
if (argc < 3)
2006-03-11 04:46:25 +05:30
bb_show_usage();
2006-10-08 18:19:22 +05:30
/* check for illegal vt number: < 1 or > 63 */
sprintf(vtname, VC_FORMAT, (int)xatou_range(argv[1], 1, 63));
2002-09-16 08:46:06 +05:30
bb_daemonize_or_rexec(DAEMON_CLOSE_EXTRA_FDS, argv);
/* grab new one */
close(0);
xopen(vtname, O_RDWR);
dup2(0, STDOUT_FILENO);
dup2(0, STDERR_FILENO);
2002-09-16 08:46:06 +05:30
BB_EXECVP(argv[2], &argv[2]);
_exit(1);
2002-09-16 08:46:06 +05:30
}