aboutsummaryrefslogtreecommitdiff
path: root/console-tools/reset.c
diff options
context:
space:
mode:
Diffstat (limited to 'console-tools/reset.c')
-rw-r--r--console-tools/reset.c47
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;
+}