From: Oren Milman <orenmn@gmail.com>
Date: Thu, 12 Oct 2017 14:39:01 +0000 (+0300)
Subject: [2.7] bpo-31490: Fix an assertion failure in ctypes in case an _anonymous_ attr is... 
X-Git-Tag: v2.7.15rc1~171
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fb3bb8d5d5d70acaaa0fdec15c137544fdd4463f;p=python

[2.7] bpo-31490: Fix an assertion failure in ctypes in case an _anonymous_ attr is defined only outside _fields_. (GH-3615) (#3952)
---

diff --git a/Modules/_ctypes/stgdict.c b/Modules/_ctypes/stgdict.c
index 4218243101..d1be3ca93e 100644
--- a/Modules/_ctypes/stgdict.c
+++ b/Modules/_ctypes/stgdict.c
@@ -288,9 +288,9 @@ MakeAnonFields(PyObject *type)
         }
         if (Py_TYPE(descr) != &PyCField_Type) {
             PyErr_Format(PyExc_AttributeError,
-                         "'%U' is specified in _anonymous_ but not in "
-                         "_fields_",
-                         fname);
+                         "an item in _anonymous_ (index %zd) is not "
+                         "specified in _fields_",
+                         i);
             Py_DECREF(anon_names);
             Py_DECREF(descr);
             return -1;