hush/console-tools/reset.c
Denys Vlasenko b2f00ac22a reset: "ESC(K" selects German, why do we use THAT? Change to "ESC(B" (US)
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-02-10 10:18:22 +01:00

50 lines
1.3 KiB
C

/* vi: set sw=4 ts=4: */
/*
* Mini reset implementation for busybox
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
* Written by Erik Andersen and Kent Robotti <robotti@metconnect.com>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/* BTW, which "standard" package has this utility? It doesn't seem
* to be ncurses, coreutils, console-tools... then what? */
#include "libbb.h"
#define ESC "\033"
#if ENABLE_STTY
int stty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
#endif
int reset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int reset_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
static const char *const args[] = {
"stty", "sane", NULL
};
/* no options, no getopt */
if (/*isatty(STDIN_FILENO) &&*/ isatty(STDOUT_FILENO)) {
/* See 'man 4 console_codes' for details:
* "ESC c" -- Reset
* "ESC ( B" -- Select G0 Character Set (B = US)
* "ESC [ 0 m" -- Reset all display attributes
* "ESC [ J" -- Erase to the end of screen
* "ESC [ ? 25 h" -- Make cursor visible
*/
printf(ESC"c" ESC"(B" ESC"[0m" ESC"[J" ESC"[?25h");
/* http://bugs.busybox.net/view.php?id=1414:
* people want it to reset echo etc: */
#if ENABLE_STTY
return stty_main(2, (char**)args);
#else
execvp("stty", (char**)args);
#endif
}
return EXIT_SUCCESS;
}