Promote reset (actually write a new one using the simple man 4 console_codes

terminal reset escape sequence) and add gettty() function to lib so terminal
gets reset even when we redirect stdout/stderr. (This is apparently the
expected behavior.)

1 files changed, 23 insertions, 0 deletions

diff --git a/toys/other/reset.c b/toys/other/reset.c
new file mode 100644
index 00000000..0c2089cc
--- /dev/null
+++ b/toys/other/reset.c
@@ -0,0 +1,23 @@
+/* reset.c - reset the terminal.
+ *
+ * Copyright 2015 Rob Landley <rob@landley.net>
+ *
+ * No standard.
+
+USE_RESET(NEWTOY(reset, 0, TOYFLAG_USR|TOYFLAG_BIN))
+
+config RESET
+  bool "reset"
+  default y
+  help
+    usage: reset
+
+    reset the terminal
+*/
+#include "toys.h"
+
+void reset_main(void)
+{
+  // man 4 console codes: reset terminal is ESC (no left bracket) c
+  xwrite(xgettty(), "\033c", 2);
+}