release/src/router/busybox/console-tools/clear.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Mini clear implementation for busybox
   4  *
   5  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
   6  *
   7  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   8  */
   9
  10 //usage:#define clear_trivial_usage
  11 //usage:       ""
  12 //usage:#define clear_full_usage "\n\n"
  13 //usage:       "Clear screen"
  14
  15 #include "libbb.h"
  16
  17 int clear_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  18 int clear_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
  19 {
  20         /* home; clear to the end of screen */
  21         return full_write1_str("\033[H""\033[J") != 6;
  22 }