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//config:config CLEAR 10//config: bool "clear (tiny)" 11//config: default y 12//config: help 13//config: This program clears the terminal screen. 14 15//applet:IF_CLEAR(APPLET_NOFORK(clear, clear, BB_DIR_USR_BIN, BB_SUID_DROP, clear)) 16 17//kbuild:lib-$(CONFIG_CLEAR) += clear.o 18 19//usage:#define clear_trivial_usage 20//usage: "" 21//usage:#define clear_full_usage "\n\n" 22//usage: "Clear screen" 23 24#include "libbb.h" 25 26#define ESC "\033" 27 28int clear_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; 29int clear_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) 30{ 31 /* home; clear to the end of screen */ 32 return full_write1_str(ESC"[H" ESC"[J") != 6; 33} 34