+/* vi: set sw=4 ts=4: */
/*
* chvt.c - aeb - 940227 - Change virtual terminal
*
* busyboxed by Erik Andersen
*/
-#include "internal.h"
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <linux/vt.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include "busybox.h"
-extern int getfd(void);
+/* From <linux/vt.h> */
+static const int VT_ACTIVATE = 0x5606; /* make vt active */
+static const int VT_WAITACTIVE = 0x5607; /* wait for vt active */
-int
-chvt_main(int argc, char** argv)
+int chvt_main(int argc, char **argv)
{
- int fd, num;
+ int fd, num;
- if ( ( argc != 2) || (**(argv+1) == '-' ) ) {
- usage ("chvt </dev/ttyN>\n");
- }
- fd = get_console_fd("/dev/console");
- num = atoi(argv[1]);
- if (ioctl(fd,VT_ACTIVATE,num)) {
- perror("VT_ACTIVATE");
- exit(FALSE);
- }
- if (ioctl(fd,VT_WAITACTIVE,num)) {
- perror("VT_WAITACTIVE");
- exit(FALSE);
- }
- exit( TRUE);
+ if ((argc != 2) || (**(argv + 1) == '-'))
+ show_usage();
+ fd = get_console_fd("/dev/console");
+ num = atoi(argv[1]);
+ if (ioctl(fd, VT_ACTIVATE, num))
+ perror_msg_and_die("VT_ACTIVATE");
+ if (ioctl(fd, VT_WAITACTIVE, num))
+ perror_msg_and_die("VT_WAITACTIVE");
+ return EXIT_SUCCESS;
}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/