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Issue #20437: Fixed 21 potential bugs when deleting objects references.

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This commit is contained in:
Serhiy Storchaka 2014-02-09 13:33:53 +02:00
parent e9c31470e1
commit 505ff755d7
16 changed files with 34 additions and 63 deletions
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18
Modules/_ctypes/_ctypes.c
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@ -159,10 +159,8 @@ _DictRemover_call(PyObject *myself, PyObject *args, PyObject *kw)
if (-1 == PyDict_DelItem(self->dict, self->key))
/* XXX Error context */
PyErr_WriteUnraisable(Py_None);
Py_DECREF(self->key);
self->key = NULL;
Py_DECREF(self->dict);
self->dict = NULL;
Py_CLEAR(self->key);
Py_CLEAR(self->dict);
}
Py_INCREF(Py_None);
return Py_None;
@ -2930,10 +2928,8 @@ static int
PyCFuncPtr_set_restype(PyCFuncPtrObject *self, PyObject *ob)
{
if (ob == NULL) {
Py_XDECREF(self->restype);
self->restype = NULL;
Py_XDECREF(self->checker);
self->checker = NULL;
Py_CLEAR(self->restype);
Py_CLEAR(self->checker);
return 0;
}
if (ob != Py_None && !PyType_stgdict(ob) && !PyCallable_Check(ob)) {
@ -2976,10 +2972,8 @@ PyCFuncPtr_set_argtypes(PyCFuncPtrObject *self, PyObject *ob)
PyObject *converters;
if (ob == NULL || ob == Py_None) {
Py_XDECREF(self->converters);
self->converters = NULL;
Py_XDECREF(self->argtypes);
self->argtypes = NULL;
Py_CLEAR(self->converters);
Py_CLEAR(self->argtypes);
} else {
converters = converters_from_argtypes(ob);
if (!converters)