Minor fixes to being a standalone shell.

[oweals/busybox.git] / chvt.c

diff --git a/chvt.c b/chvt.c
index bea00ea83accfd67104533275093b11fa04d115c..37fd21ae96634eb4843722cc8c3ccf849676e8cc 100644 (file)
--- a/chvt.c
+++ b/chvt.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * chvt.c - aeb - 940227 - Change virtual terminal
  *
@@ -11,26 +12,35 @@
 #include <stdlib.h>
 #include <fcntl.h>
 
-extern int getfd(void);
-
-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 N\n\nChange foreground virtual terminal to /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 N\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+                               "\nChanges the foreground virtual terminal to /dev/ttyN\n"
+#endif
+                               );
+       }
+       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);
 }
 
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/