changeset:   100504:f9dc71b566fb
branch:      3.5
parent:      100501:5564cf3ba523
user:        Steve Dower <steve.dower@microsoft.com>
date:        Sat Mar 12 08:25:22 2016 -0800
files:       Doc/library/ctypes.rst Misc/NEWS
description:
Issue #23606: Adds note to ctypes documentation regarding cdll.msvcrt.


diff -r 5564cf3ba523 -r f9dc71b566fb Doc/library/ctypes.rst
--- a/Doc/library/ctypes.rst	Sat Mar 12 08:06:23 2016 -0800
+++ b/Doc/library/ctypes.rst	Sat Mar 12 08:25:22 2016 -0800
@@ -61,6 +61,12 @@
 
 Windows appends the usual ``.dll`` file suffix automatically.
 
+.. note::
+    Accessing the standard C library through ``cdll.msvcrt`` will use an
+    outdated version of the library that may be incompatible with the one
+    being used by Python. Where possible, use native Python functionality,
+    or else import and use the ``msvcrt`` module.
+
 On Linux, it is required to specify the filename *including* the extension to
 load a library, so attribute access can not be used to load libraries. Either the
 :meth:`LoadLibrary` method of the dll loaders should be used, or you should load
diff -r 5564cf3ba523 -r f9dc71b566fb Misc/NEWS
--- a/Misc/NEWS	Sat Mar 12 08:06:23 2016 -0800
+++ b/Misc/NEWS	Sat Mar 12 08:25:22 2016 -0800
@@ -284,6 +284,8 @@
 Documentation
 -------------
 
+- Issue #23606: Adds note to ctypes documentation regarding cdll.msvcrt.
+
 - Issue #25500: Fix documentation to not claim that __import__ is searched for
   in the global scope.