* ext/io/console/console.c (get_write_fd): return primary fd if no

io is tied for writing.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27785 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu May 13 18:45:25 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/io/console/console.c (get_write_fd): return primary fd if no
+	  io is tied for writing.
+
 Thu May 13 18:15:33 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* io.c (swallow): should use more_char() instead of fill_cbuf().

ext/io/console/console.c

@@ -164,7 +164,7 @@ get_write_fd(const rb_io_t *fptr)
 {
     VALUE wio = fptr->tied_io_for_writing;
     rb_io_t *ofptr;
-    if (!wio) return -1;
+    if (!wio) return fptr->fd;
     GetOpenFile(wio, ofptr);
     return ofptr->fd;
 }

test/io/console/test_io_console.rb

@@ -70,4 +70,13 @@ class TestIO_Console < Test::Unit::TestCase
     }
   end
 
+  def test_oflush
+    PTY.open {|m, s|
+      s.print "a\n"
+      s.oflush
+      s.print "b\n"
+      assert_equal("b\r\n", m.readpartial(10))
+    }
+  end
+
 end