From 78de9cc146c3078b325ede5eeb9b06d9c44eada2 Mon Sep 17 00:00:00 2001
From: Antoine Pitrou <solipsis@pitrou.net>
Date: Wed, 27 Oct 2010 19:53:15 +0000
Subject: [PATCH] Merged revisions 85864 via svnmerge from
 svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85864 | antoine.pitrou | 2010-10-27 21:45:43 +0200 (mer., 27 oct. 2010) | 5 lines

  In open(), only set the buffer size from st.st_blksize when it is greater
  than 1.  This matches the pure Python implementation in _pyio and should
  fix a couple of failures on the NetBSD buildbot.
........
---
 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 ca359bc84ca..6d7121c2d90 100644
--- a/Modules/_io/_iomodule.c
+++ b/Modules/_io/_iomodule.c
@@ -453,7 +453,7 @@ io_open(PyObject *self, PyObject *args, PyObject *kwds)
             if (fileno == -1 && PyErr_Occurred())
                 goto error;
 
-            if (fstat(fileno, &st) >= 0)
+            if (fstat(fileno, &st) >= 0 && st.st_blksize > 1)
                 buffering = st.st_blksize;
         }
 #endif
-- 
2.30.9