diff options
Diffstat (limited to 'Objects/listobject.c')
| -rw-r--r-- | Objects/listobject.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Objects/listobject.c b/Objects/listobject.c index 163ba2a..65dfb18 100644 --- a/Objects/listobject.c +++ b/Objects/listobject.c @@ -1418,6 +1418,30 @@ listremove(self, args) return NULL; } +static int +list_traverse(PyListObject *o, visitproc visit, void *arg) +{ + int i, err; + PyObject *x; + + for (i = o->ob_size; --i >= 0; ) { + x = o->ob_item[i]; + if (x != NULL) { + err = visit(x, arg); + if (err) + return err; + } + } + return 0; +} + +static int +list_clear(PyListObject *lp) +{ + (void) PyList_SetSlice((PyObject *)lp, 0, lp->ob_size, 0); + return 0; +} + static char append_doc[] = "L.append(object) -- append object to end"; static char extend_doc[] = @@ -1491,6 +1515,9 @@ PyTypeObject PyList_Type = { 0, /*tp_setattro*/ 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT, /*tp_flags*/ + 0, /* tp_doc */ + (traverseproc)list_traverse, /* tp_traverse */ + (inquiry)list_clear, /* tp_clear */ }; @@ -1567,5 +1594,7 @@ static PyTypeObject immutable_list_type = { 0, /*tp_setattro*/ 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT, /*tp_flags*/ + 0, /* tp_doc */ + (traverseproc)list_traverse, /* tp_traverse */ }; |