modified by Bryan Rittmeyer <bryan@ixiacom.com> to support SH4

[oweals/busybox.git] / chvt.c

diff --git a/chvt.c b/chvt.c
index 81d1995272f02131615eebfa57dd0f37e3801b0e..87a1248fd70f105799c7de11cc6d8f403a775b15 100644 (file)
--- a/chvt.c
+++ b/chvt.c
@@ -1,36 +1,44 @@
+/* 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>
 
-extern int getfd(void);
+/* From <linux/vt.h> */
+#define VT_ACTIVATE     0x5606  /* make vt active */
+#define 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) == '-'))
+               usage (chvt_usage);
+       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);
+       }
+       return(TRUE);
 }
 
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/