diff options
| author | Marek Polacek | 2010-10-28 21:34:56 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-10-28 21:34:56 +0200 |
| commit | 7b18107384d950358e146d42bf02b391fab5ffd6 (patch) | |
| tree | 9994e2bcaa038c3128ed8b3bca99486e22f660fb /console-tools/reset.c | |
| parent | 02788ac7e2a44eee889aa1005e89076f928e964a (diff) | |
| download | busybox-7b18107384d950358e146d42bf02b391fab5ffd6.zip busybox-7b18107384d950358e146d42bf02b391fab5ffd6.tar.gz | |
*: use _exit() in sighandlers; showkey: do not use exit-thru-sighandler
While at it, make ESC sequences more readable; and removed check for
isatty(stdin) in reset. Code shrink:
text data bss dec hex filename
884771 936 17216 902923 dc70b busybox_old
884723 936 17216 902875 dc6db busybox_unstripped
Signed-off-by: Marek Polacek <mmpolacek@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'console-tools/reset.c')
| -rw-r--r-- | console-tools/reset.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/console-tools/reset.c b/console-tools/reset.c index 7dffdea..1806ce7 100644 --- a/console-tools/reset.c +++ b/console-tools/reset.c @@ -8,11 +8,13 @@ * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ -#include "libbb.h" - /* BTW, which "standard" package has this utility? It doesn't seem * to be ncurses, coreutils, console-tools... then what? */ +#include "libbb.h" + +#define ESC "\033" + #if ENABLE_STTY int stty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; #endif @@ -26,15 +28,15 @@ int reset_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) /* no options, no getopt */ - if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO)) { + 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 to the end of screen * "ESC [ 0 m" -- Reset all display attributes + * "ESC [ J" -- Erase to the end of screen * "ESC [ ? 25 h" -- Make cursor visible */ - printf("\033c\033(K\033[J\033[0m\033[?25h"); + printf(ESC"c" ESC"(K" ESC"[0m" ESC"[J" ESC"[?25h"); /* http://bugs.busybox.net/view.php?id=1414: * people want it to reset echo etc: */ #if ENABLE_STTY |