diff options
| -rw-r--r-- | Python/getargs.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/Python/getargs.c b/Python/getargs.c index 451b914..840bf51 100644 --- a/Python/getargs.c +++ b/Python/getargs.c @@ -1005,7 +1005,16 @@ PyArg_ParseTupleAndKeywords(PyObject *args, { int retval; va_list va; - + + if ((args == NULL || !PyTuple_Check(args)) || + (keywords != NULL && !PyDict_Check(keywords)) || + format == NULL || + kwlist == NULL) + { + PyErr_BadInternalCall(); + return -1; + } + va_start(va, kwlist); retval = vgetargskeywords(args, keywords, format, kwlist, &va); va_end(va); @@ -1029,6 +1038,12 @@ vgetargskeywords(PyObject *args, PyObject *keywords, char *format, int nkwds, pos, match, converted; PyObject *key, *value; + assert(args != NULL && PyTuple_Check(args)); + assert(keywords == NULL || PyDict_Check(keywords)); + assert(format != NULL); + assert(kwlist != NULL); + assert(p_va != NULL); + /* nested tuples cannot be parsed when using keyword arguments */ for (;;) { |