X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb-python/blobdiff_plain/e2d3325517795887e5b36ef00e32a92b815c1bcb..d8413ace91998ed305db4d80d432ec6029ebf9ad:/key.c

diff --git a/key.c b/key.c
index dc1b849..4995035 100644
--- a/key.c
+++ b/key.c
@@ -38,7 +38,9 @@ static PyObject *kxmeth___init__(PyObject *me, PyObject *arg)
 {
   int err;
   PyObject *x = 0;
+  Py_ssize_t n;
 
+  n = PyTuple_GET_SIZE(arg);
   if (!PyArg_ParseTuple(arg, "Oi:__init__", &me, &err) ||
       (x = PyInt_FromLong(err)) == 0 ||
       PyObject_SetAttrString(me, "err", x))
@@ -48,7 +50,7 @@ static PyObject *kxmeth___init__(PyObject *me, PyObject *arg)
       PyObject_SetAttrString(me, "errstring", x))
     goto end;
   Py_DECREF(x); x = 0;
-  if ((x = PyTuple_GetSlice(arg, 1, PyTuple_GET_SIZE(arg))) == 0 ||
+  if ((x = PyTuple_GetSlice(arg, 1, n)) == 0 ||
       PyObject_SetAttrString(me, "args", x))
     goto end;
   Py_DECREF(x); x = 0;