diff options
author | Bjørn Mork <bjorn@mork.no> | 2015-05-15 10:20:47 +0200 |
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committer | Bjørn Mork <bjorn@mork.no> | 2015-05-15 10:20:47 +0200 |
commit | 73b16af8feec390afbabd9356d6e5e83c0390838 (patch) | |
tree | 3730020ba2f9caeb9d7815a975af51830b51ce11 /console-tools/reset.c |
busybox: imported from http://www.busybox.net/downloads/busybox-1.13.3.tar.bz2busybox-1.13.3
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Diffstat (limited to 'console-tools/reset.c')
-rw-r--r-- | console-tools/reset.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/console-tools/reset.c b/console-tools/reset.c new file mode 100644 index 0000000..6917eda --- /dev/null +++ b/console-tools/reset.c @@ -0,0 +1,47 @@ +/* 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 tarball for details. + */ + +#include "libbb.h" + +/* BTW, which "standard" package has this utility? It doesn't seem + * to be ncurses, coreutils, console-tools... then what? */ + +#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 ( 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; +} |