diff options
| -rw-r--r-- | Modules/itertoolsmodule.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c index 515f3ba..194f7fb 100644 --- a/Modules/itertoolsmodule.c +++ b/Modules/itertoolsmodule.c @@ -533,7 +533,8 @@ teedataobject_new(PyTypeObject *type, PyObject *args, PyObject *kw) tdo->values[i] = PyList_GET_ITEM(values, i); Py_INCREF(tdo->values[i]); } - tdo->numread = len; + /* len <= LINKCELLS < INT_MAX */ + tdo->numread = Py_SAFE_DOWNCAST(len, Py_ssize_t, int); if (len == LINKCELLS) { if (next != Py_None) { |