From: Jeremy Hylton <jeremy@alum.mit.edu>
Date: Thu, 20 Jun 2002 23:13:17 +0000 (+0000)
Subject: Fix for SF bug 571885
X-Git-Tag: v2.3c1~5247
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8b47dffc932fe1452a7f5fae70307c0915cd3591;p=python

Fix for SF bug 571885

When resizing a tuple, zero out the memory starting at the end of the
old tuple not at the beginning of the old tuple.
---

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 525e8f6e63..4c264fd46f 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -696,8 +696,8 @@ _PyTuple_Resize(PyObject **pv, int newsize)
 	_Py_NewReference((PyObject *) sv);
 	/* Zero out items added by growing */
 	if (newsize > oldsize)
-		memset(sv->ob_item, 0,
-			sizeof(*sv->ob_item) * (newsize - oldsize));
+		memset(&sv->ob_item[oldsize], 0,
+		       sizeof(*sv->ob_item) * (newsize - oldsize));
 	*pv = (PyObject *) sv;
 	_PyObject_GC_TRACK(sv);
 	return 0;