1 /* vi: set sw=4 ts=4: */
3 * Mini reset implementation for busybox
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 * Written by Erik Andersen and Kent Robotti <robotti@metconnect.com>
8 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
11 /* BTW, which "standard" package has this utility? It doesn't seem
12 * to be ncurses, coreutils, console-tools... then what? */
14 //usage:#define reset_trivial_usage
16 //usage:#define reset_full_usage "\n\n"
17 //usage: "Reset the screen"
24 int stty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
27 int reset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
28 int reset_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
30 static const char *const args[] = {
34 /* no options, no getopt */
36 if (/*isatty(STDIN_FILENO) &&*/ isatty(STDOUT_FILENO)) {
37 /* See 'man 4 console_codes' for details:
39 * "ESC ( B" -- Select G0 Character Set (B = US)
40 * "ESC [ 0 m" -- Reset all display attributes
41 * "ESC [ J" -- Erase to the end of screen
42 * "ESC [ ? 25 h" -- Make cursor visible
44 printf(ESC"c" ESC"(B" ESC"[0m" ESC"[J" ESC"[?25h");
45 /* http://bugs.busybox.net/view.php?id=1414:
46 * people want it to reset echo etc: */
48 return stty_main(2, (char**)args);
50 execvp("stty", (char**)args);