hexedit: fixes to "goto address" code

[oweals/busybox.git] / console-tools / chvt.c

diff --git a/console-tools/chvt.c b/console-tools/chvt.c
index 302ffb4f914fa300f8f1f2d0ec9c2bcee9e9219c..75380a90b95b4db2750e02dcc3a80baf5df5f314 100644 (file)
--- a/console-tools/chvt.c
+++ b/console-tools/chvt.c
@@ -4,21 +4,31 @@
  *
  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
  *
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+//config:config CHVT
+//config:      bool "chvt (2 kb)"
+//config:      default y
+//config:      select PLATFORM_LINUX
+//config:      help
+//config:      This program is used to change to another terminal.
+//config:      Example: chvt 4 (change to terminal /dev/tty4)
+
+//applet:IF_CHVT(APPLET_NOEXEC(chvt, chvt, BB_DIR_USR_BIN, BB_SUID_DROP, chvt))
+
+//kbuild:lib-$(CONFIG_CHVT) += chvt.o
+
+//usage:#define chvt_trivial_usage
+//usage:       "N"
+//usage:#define chvt_full_usage "\n\n"
+//usage:       "Change the foreground virtual terminal to /dev/ttyN"
 
 #include "libbb.h"
 
 int chvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int chvt_main(int argc, char **argv)
+int chvt_main(int argc UNUSED_PARAM, char **argv)
 {
-       int num;
-
-       if (argc != 2) {
-               bb_show_usage();
-       }
-
-       num = xatou_range(argv[1], 1, 63);
+       int num = xatou_range(single_argv(argv), 1, 63);
        console_make_active(get_console_fd_or_die(), num);
        return EXIT_SUCCESS;
 }