/* 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? */ //usage:#define reset_trivial_usage //usage: "" //usage:#define reset_full_usage "\n\n" //usage: "Reset the screen" #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; }