* io.c (fill_cbuf): finish reading at EOF.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31747 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri May 27 22:38:54 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (fill_cbuf): finish reading at EOF.
+
 Fri May 27 11:31:51 2011  misfo <tedwardo2@gmail.com>
 
 	* lib/rexml/text.rb (REXML::Text#initialize): prevent an error

io.c

@@ -1715,6 +1715,7 @@ fill_cbuf(rb_io_t *fptr, int ec_flags)
                     res = rb_econv_convert(fptr->readconv, NULL, NULL, &dp, de, 0);
                     fptr->cbuf.len += (int)(dp - ds);
                     rb_econv_check_error(fptr->readconv);
+                    break;
                 }
             }
         }