Mercurial > cpython-lru_cache-weakref
diff Python/bltinmodule.c @ 8589:97dc6aa532e7 legacy-trunk
Fix a stupid little bug: len() of an unsized returns -1 and leaves an
exception waiting to happen next...
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Mon, 29 Jun 1998 22:26:50 +0000 |
| parents | 221667f89064 |
| children | 30fbf18af29e |
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--- a/Python/bltinmodule.c Mon Jun 29 20:34:46 1998 +0000 +++ b/Python/bltinmodule.c Mon Jun 29 22:26:50 1998 +0000 @@ -1098,10 +1098,14 @@ PyObject *args; { PyObject *v; + long res; if (!PyArg_ParseTuple(args, "O:len", &v)) return NULL; - return PyInt_FromLong((long)PyObject_Length(v)); + res = PyObject_Length(v); + if (res < 0 && PyErr_Occurred()) + return NULL; + return PyInt_FromLong(res); } static char len_doc[] =