X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=console-tools%2Freset.c;h=a23e4f4085d59765ba6d473667ead95c4c02605d;hb=20704f066250744c0c2b84920c27d0fd0aa9e935;hp=861bd435bc6052eaffe2e9b47dca77c6af53acdd;hpb=ed3ef50c233ffb1b50ea0e7382a8e60b86491009;p=oweals%2Fbusybox.git diff --git a/console-tools/reset.c b/console-tools/reset.c index 861bd435b..a23e4f408 100644 --- a/console-tools/reset.c +++ b/console-tools/reset.c @@ -2,34 +2,48 @@ /* * Mini reset implementation for busybox * + * Copyright (C) 1999-2004 by Erik Andersen + * Written by Erik Andersen and Kent Robotti * - * Copyright (C) 1999,2000 by Lineo, inc. - * Written by Erik Andersen , - * and Kent Robotti - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * + * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ -#include "busybox.h" -#include -#include +/* BTW, which "standard" package has this utility? It doesn't seem + * to be ncurses, coreutils, console-tools... then what? */ + +#include "libbb.h" -extern int reset_main(int argc, char **argv) +#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) { - printf("\033c"); - return EXIT_SUCCESS; -} + 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; +}