From 5fa3f0517b072d6e864d33cfc4fe3f53ea02c702 Mon Sep 17 00:00:00 2001
From: Thomas Heller <theller@ctypes.org>
Date: Thu, 12 Jul 2007 11:00:22 +0000
Subject: Py_USING_UNICODE is no longer defined on Windows (on posix it is
 still in pyconfig.h).  Remove the workaround for the broken (in Python 2.3)
 PyUnicode_(From|As)WideChar functions.

---
 Modules/_ctypes/_ctypes.c | 66 -----------------------------------------------
 Modules/_ctypes/ctypes.h  | 15 +----------
 2 files changed, 1 insertion(+), 80 deletions(-)

diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index 1e9a3cf..e5c1470 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -4828,72 +4828,6 @@ init_ctypes(void)
 	init_callbacks_in_module(m);
 }
 
-/*****************************************************************
- * replacements for broken Python api functions (in Python 2.3).
- * See #1047269 Buffer overwrite in PyUnicode_AsWideChar
- */
-
-#ifdef HAVE_WCHAR_H
-
-PyObject *My_PyUnicode_FromWideChar(register const wchar_t *w,
-				    Py_ssize_t size)
-{
-    PyUnicodeObject *unicode;
-
-    if (w == NULL) {
-	PyErr_BadInternalCall();
-	return NULL;
-    }
-
-    unicode = (PyUnicodeObject *)PyUnicode_FromUnicode(NULL, size);
-    if (!unicode)
-        return NULL;
-
-    /* Copy the wchar_t data into the new object */
-#ifdef HAVE_USABLE_WCHAR_T
-    memcpy(unicode->str, w, size * sizeof(wchar_t));
-#else
-    {
-	register Py_UNICODE *u;
-	register int i;
-	u = PyUnicode_AS_UNICODE(unicode);
-	/* In Python, the following line has a one-off error */
-	for (i = size; i > 0; i--)
-	    *u++ = *w++;
-    }
-#endif
-
-    return (PyObject *)unicode;
-}
-
-Py_ssize_t My_PyUnicode_AsWideChar(PyUnicodeObject *unicode,
-			    register wchar_t *w,
-			    Py_ssize_t size)
-{
-    if (unicode == NULL) {
-	PyErr_BadInternalCall();
-	return -1;
-    }
-    if (size > PyUnicode_GET_SIZE(unicode))
-	size = PyUnicode_GET_SIZE(unicode);
-#ifdef HAVE_USABLE_WCHAR_T
-    memcpy(w, unicode->str, size * sizeof(wchar_t));
-#else
-    {
-	register Py_UNICODE *u;
-	register int i;
-	u = PyUnicode_AS_UNICODE(unicode);
-	/* In Python, the following line has a one-off error */
-	for (i = size; i > 0; i--)
-	    *w++ = *u++;
-    }
-#endif
-
-    return size;
-}
-
-#endif
-
 /*
  Local Variables:
  compile-command: "cd .. && python setup.py -q build -g && python setup.py -q build install --home ~"
diff --git a/Modules/_ctypes/ctypes.h b/Modules/_ctypes/ctypes.h
index e74872c..1791089 100644
--- a/Modules/_ctypes/ctypes.h
+++ b/Modules/_ctypes/ctypes.h
@@ -368,24 +368,11 @@ extern char *conversion_mode_errors;
         } while (0)
 #endif
 
-/* Python's PyUnicode_*WideChar functions are broken ... */
-#if defined(Py_USING_UNICODE) && defined(HAVE_WCHAR_H)
+#if defined(HAVE_WCHAR_H)
 #  define CTYPES_UNICODE
 #endif
 
 
-#ifdef CTYPES_UNICODE
-#  undef PyUnicode_FromWideChar
-#  define PyUnicode_FromWideChar My_PyUnicode_FromWideChar
-
-#  undef PyUnicode_AsWideChar
-#  define PyUnicode_AsWideChar My_PyUnicode_AsWideChar
-
-extern PyObject *My_PyUnicode_FromWideChar(const wchar_t *, Py_ssize_t);
-extern Py_ssize_t My_PyUnicode_AsWideChar(PyUnicodeObject *, wchar_t *, Py_ssize_t);
-
-#endif
-
 extern void FreeClosure(void *);
 extern void *MallocClosure(void);
 
-- 
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