From: Victor Stinner <victor.stinner@gmail.com>
Date: Tue, 4 Jun 2013 21:02:46 +0000 (+0200)
Subject: Close #17932: Fix an integer overflow issue on Windows 64-bit in iterators:
X-Git-Tag: v3.4.0a1~578^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e0b99ba140f83551cdeecb2a4ca9817aedde7ff5;p=python

Close #17932: Fix an integer overflow issue on Windows 64-bit in iterators:
change the C type of seqiterobject.it_index from long to Py_ssize_t.
---

diff --git a/Misc/NEWS b/Misc/NEWS
index deeec0a8dc..d7ae7e1950 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -10,6 +10,9 @@ What's New in Python 3.4.0 Alpha 1?
 Core and Builtins
 -----------------
 
+- Issue #17932: Fix an integer overflow issue on Windows 64-bit in iterators:
+  change the C type of seqiterobject.it_index from long to Py_ssize_t.
+
 - Issue #18065: Don't set __path__ to the package name for frozen packages.
 
 - Issue #18088: When reloading a module, unconditionally reset all relevant
diff --git a/Objects/iterobject.c b/Objects/iterobject.c
index 9acd1b79d7..77ff8106fd 100644
--- a/Objects/iterobject.c
+++ b/Objects/iterobject.c
@@ -4,7 +4,7 @@
 
 typedef struct {
     PyObject_HEAD
-    long      it_index;
+    Py_ssize_t it_index;
     PyObject *it_seq; /* Set to NULL when iterator is exhausted */
 } seqiterobject;