busybox/console-tools/clear.c
Denys Vlasenko 8187e01438 *: use ESC define instead of "\033"; use ESC[m instead of ESC[0m
text	   data	    bss	    dec	    hex	filename
 922535	    481	   6832	 929848	  e3038	busybox_old
 922534	    481	   6832	 929847	  e3037	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-09-13 22:48:30 +02:00

34 lines
867 B
C

/* vi: set sw=4 ts=4: */
/*
* Mini clear implementation for busybox
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
//config:config CLEAR
//config: bool "clear (tiny)"
//config: default y
//config: help
//config: This program clears the terminal screen.
//applet:IF_CLEAR(APPLET_NOFORK(clear, clear, BB_DIR_USR_BIN, BB_SUID_DROP, clear))
//kbuild:lib-$(CONFIG_CLEAR) += clear.o
//usage:#define clear_trivial_usage
//usage: ""
//usage:#define clear_full_usage "\n\n"
//usage: "Clear screen"
#include "libbb.h"
#define ESC "\033"
int clear_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int clear_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
/* home; clear to the end of screen */
return full_write1_str(ESC"[H" ESC"[J") != 6;
}