Make the various iterators' "setstate" sliently and consistently clip the
index. This avoids the possibility of setting an iterator to an invalid
state.
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 123df8c..f815595 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -998,8 +998,8 @@
if (it->it_seq != NULL) {
if (index < 0)
index = 0;
- else if (it->it_seq != NULL && index > PyTuple_GET_SIZE(it->it_seq))
- index = PyTuple_GET_SIZE(it->it_seq);
+ else if (index > PyTuple_GET_SIZE(it->it_seq))
+ index = PyTuple_GET_SIZE(it->it_seq); /* exhausted iterator */
it->it_index = index;
}
Py_RETURN_NONE;