From 326b44871eb9dcf98e286208bf2b2799edf2ba9e Mon Sep 17 00:00:00 2001 From: Tim Peters Date: Fri, 19 Jul 2002 04:04:16 +0000 Subject: [PATCH] listreverse(): Don't call the new reverse_slice unless the list has something in it (else ob_item may be a NULL pointer). --- Objects/listobject.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Objects/listobject.c b/Objects/listobject.c index f2132b4193..ce0f22e193 100644 --- a/Objects/listobject.c +++ b/Objects/listobject.c @@ -1316,7 +1316,8 @@ PyList_Sort(PyObject *v) static PyObject * listreverse(PyListObject *self) { - reverse_slice(self->ob_item, self->ob_item + self->ob_size); + if (self->ob_size > 1) + reverse_slice(self->ob_item, self->ob_item + self->ob_size); Py_INCREF(Py_None); return Py_None; } -- 2.40.0