Contents of /trunk/mkinitrd-magellan/busybox/console-tools/reset.c
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Fri Apr 24 18:33:46 2009 UTC (15 years, 5 months ago) by niro
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Fri Apr 24 18:33:46 2009 UTC (15 years, 5 months ago) by niro
File MIME type: text/plain
File size: 1311 byte(s)
-updated to busybox-1.13.4
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Mini reset implementation for busybox |
4 | * |
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> |
6 | * Written by Erik Andersen and Kent Robotti <robotti@metconnect.com> |
7 | * |
8 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
9 | */ |
10 | |
11 | #include "libbb.h" |
12 | |
13 | /* BTW, which "standard" package has this utility? It doesn't seem |
14 | * to be ncurses, coreutils, console-tools... then what? */ |
15 | |
16 | #if ENABLE_STTY |
17 | int stty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
18 | #endif |
19 | |
20 | int reset_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
21 | int reset_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) |
22 | { |
23 | static const char *const args[] = { |
24 | "stty", "sane", NULL |
25 | }; |
26 | |
27 | /* no options, no getopt */ |
28 | |
29 | if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO)) { |
30 | /* See 'man 4 console_codes' for details: |
31 | * "ESC c" -- Reset |
32 | * "ESC ( K" -- Select user mapping |
33 | * "ESC [ J" -- Erase display |
34 | * "ESC [ 0 m" -- Reset all display attributes |
35 | * "ESC [ ? 25 h" -- Make cursor visible. |
36 | */ |
37 | printf("\033c\033(K\033[J\033[0m\033[?25h"); |
38 | /* http://bugs.busybox.net/view.php?id=1414: |
39 | * people want it to reset echo etc: */ |
40 | #if ENABLE_STTY |
41 | return stty_main(2, (char**)args); |
42 | #else |
43 | execvp("stty", (char**)args); |
44 | #endif |
45 | } |
46 | return EXIT_SUCCESS; |
47 | } |