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-rw-r--r--sample/cbreak.rb36
1 files changed, 36 insertions, 0 deletions
diff --git a/sample/cbreak.rb b/sample/cbreak.rb
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+++ b/sample/cbreak.rb
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+# 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()