From: Marc-André Lemburg <mal@egenix.com>
Date: Fri, 15 Oct 2004 07:45:05 +0000 (+0000)
Subject: Applied patch for [ 1047269 ] Buffer overwrite in PyUnicode_AsWideChar.
X-Git-Tag: v2.4b1~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=204bd6d9d2c7aa6c49ed9f6edd1ed12489ba972b;p=thirdparty%2FPython%2Fcpython.git

Applied patch for [ 1047269 ] Buffer overwrite in PyUnicode_AsWideChar.

Python 2.3.x candidate.
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 670fca4d51ee..48821bd247c7 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -368,7 +368,7 @@ PyObject *PyUnicode_FromWideChar(register const wchar_t *w,
 	register Py_UNICODE *u;
 	register int i;
 	u = PyUnicode_AS_UNICODE(unicode);
-	for (i = size; i >= 0; i--)
+	for (i = size; i > 0; i--)
 	    *u++ = *w++;
     }
 #endif
@@ -393,7 +393,7 @@ int PyUnicode_AsWideChar(PyUnicodeObject *unicode,
 	register Py_UNICODE *u;
 	register int i;
 	u = PyUnicode_AS_UNICODE(unicode);
-	for (i = size; i >= 0; i--)
+	for (i = size; i > 0; i--)
 	    *w++ = *u++;
     }
 #endif