consolidate ESC sequences
function old new delta bell 2 - -2 CMdown 2 - -2 Ceos 4 - -4 Ceol 4 - -4 CMup 4 - -4 SOs 5 - -5 SOn 5 - -5 CMrc 9 - -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@@ -15,5 +15,6 @@
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int clear_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int clear_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
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{
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return printf("\033[H\033[J") != 6;
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/* home; clear to the end of screen */
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return printf("\033[H""\033[J") != 6;
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}
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@@ -28,11 +28,11 @@ int reset_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
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if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO)) {
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/* See 'man 4 console_codes' for details:
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* "ESC c" -- Reset
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* "ESC ( K" -- Select user mapping
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* "ESC [ J" -- Erase display
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* "ESC [ 0 m" -- Reset all display attributes
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* "ESC [ ? 25 h" -- Make cursor visible.
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* "ESC c" -- Reset
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* "ESC ( K" -- Select user mapping
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* "ESC [ J" -- Erase to the end of screen
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* "ESC [ 0 m" -- Reset all display attributes
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* "ESC [ ? 25 h" -- Make cursor visible
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*/
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printf("\033c\033(K\033[J\033[0m\033[?25h");
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/* http://bugs.busybox.net/view.php?id=1414:
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