diff options
Diffstat (limited to 'release/src/router/busybox/console-tools/reset.c')
| -rw-r--r-- | release/src/router/busybox/console-tools/reset.c | 58 |
1 files changed, 36 insertions, 22 deletions
diff --git a/release/src/router/busybox/console-tools/reset.c b/release/src/router/busybox/console-tools/reset.c index 69b1e846..6917eda4 100644 --- a/release/src/router/busybox/console-tools/reset.c +++ b/release/src/router/busybox/console-tools/reset.c @@ -2,32 +2,46 @@ /* * Mini reset implementation for busybox * - * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org> + * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> * Written by Erik Andersen and Kent Robotti <robotti@metconnect.com> * - * 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 tarball for details. */ -#include <stdio.h> -#include <stdlib.h> -#include "busybox.h" +#include "libbb.h" + +/* BTW, which "standard" package has this utility? It doesn't seem + * to be ncurses, coreutils, console-tools... then what? */ -extern int reset_main(int argc, char **argv) +#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("\033[?25h\033c\033[J"); - 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 ( K" -- Select user mapping + * "ESC [ J" -- Erase display + * "ESC [ 0 m" -- Reset all display attributes + * "ESC [ ? 25 h" -- Make cursor visible. + */ + printf("\033c\033(K\033[J\033[0m\033[?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; +} |