From 19606411d32fb0f8107f2d7843cfe0f96cc48338 Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@cheimes.de>
Date: Mon, 10 Sep 2012 03:50:48 +0200
Subject: [PATCH] Fixed out-of-bounce write to rawmode buffer. The fixed size
 buffer wasn't enlarged for the new 'x' flag. The buffer may contain the 5
 flags xrwa+ and the \0 byte

---
 Modules/_io/_iomodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/_io/_iomodule.c b/Modules/_io/_iomodule.c
index 15781ac32ea..0622c581818 100644
--- a/Modules/_io/_iomodule.c
+++ b/Modules/_io/_iomodule.c
@@ -229,7 +229,7 @@ io_open(PyObject *self, PyObject *args, PyObject *kwds)
     int creating = 0, reading = 0, writing = 0, appending = 0, updating = 0;
     int text = 0, binary = 0, universal = 0;
 
-    char rawmode[5], *m;
+    char rawmode[6], *m;
     int line_buffering, isatty;
 
     PyObject *raw, *modeobj = NULL, *buffer = NULL, *wrapper = NULL;