From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/sample/cbreak.rb | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 jni/ruby/sample/cbreak.rb

(limited to 'jni/ruby/sample/cbreak.rb')

diff --git a/jni/ruby/sample/cbreak.rb b/jni/ruby/sample/cbreak.rb
new file mode 100644
index 0000000..76b534a
--- /dev/null
+++ b/jni/ruby/sample/cbreak.rb
@@ -0,0 +1,36 @@
+# ioctl example works on Sun
+
+CBREAK = 0x00000002
+ECHO = 0x00000008
+TIOCGETP = 0x40067408
+TIOCSETP = 0x80067409
+
+def cbreak ()
+  set_cbreak(true)
+end
+
+def cooked ()
+  set_cbreak(false)
+end
+
+def set_cbreak (on)
+  tty = "\0" * 256
+  STDIN.ioctl(TIOCGETP, tty)
+  ttys = tty.unpack("C4 S")
+  if on
+    ttys[4] |= CBREAK
+    ttys[4] &= ~ECHO
+  else
+    ttys[4] &= ~CBREAK
+    ttys[4] |= ECHO
+  end
+  tty = ttys.pack("C4 S")
+  STDIN.ioctl(TIOCSETP, tty)
+end
+cbreak();
+
+print("this is no-echo line: ");
+readline().print
+cooked();
+print("this is echo line: ");
+readline()
-- 
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