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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1998-01-16 12:19:09 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1998-01-16 12:19:09 +0000
commit62e41d3f2e48422bbdf1bb2db83ae60b255b1a1a (patch)
tree4d0edb1c1986e1578b181ebe2441acfee27f1fab /sample/cbreak.rb
parent3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4 (diff)
Initial revision
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'sample/cbreak.rb')
-rw-r--r--sample/cbreak.rb36
1 files changed, 36 insertions, 0 deletions
diff --git a/sample/cbreak.rb b/sample/cbreak.rb
new file mode 100644
index 0000000..cbb15d2
--- /dev/null
+++ b/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()