[Python-checkins] Add assertion to _PyTuple_CAST(op) (GH-10712)
Victor Stinner
webhook-mailer at python.org
Mon Nov 26 07:37:17 EST 2018
https://github.com/python/cpython/commit/df108dc6610e41c54ed064a854e3903c143f0d77
commit: df108dc6610e41c54ed064a854e3903c143f0d77
branch: master
author: Victor Stinner <vstinner at redhat.com>
committer: GitHub <noreply at github.com>
date: 2018-11-26T13:37:13+01:00
summary:
Add assertion to _PyTuple_CAST(op) (GH-10712)
Add "assert(PyTuple_Check(op));" to _PyTuple_CAST() to check that the
argument is a tuple object in debug mode.
PyTuple_GET_SIZE() now uses _PyTuple_CAST() to get its assertion.
files:
M Include/tupleobject.h
diff --git a/Include/tupleobject.h b/Include/tupleobject.h
index eec2d98f2d95..75574bc43fb3 100644
--- a/Include/tupleobject.h
+++ b/Include/tupleobject.h
@@ -56,10 +56,10 @@ PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *);
/* Macro, trading safety for speed */
#ifndef Py_LIMITED_API
/* Cast argument to PyTupleObject* type. */
-#define _PyTuple_CAST(op) ((PyTupleObject *)(op))
+#define _PyTuple_CAST(op) (assert(PyTuple_Check(op)), (PyTupleObject *)(op))
#define PyTuple_GET_ITEM(op, i) (_PyTuple_CAST(op)->ob_item[i])
-#define PyTuple_GET_SIZE(op) (assert(PyTuple_Check(op)), Py_SIZE(op))
+#define PyTuple_GET_SIZE(op) Py_SIZE(_PyTuple_CAST(op))
/* Macro, *only* to be used to fill in brand new tuples */
#define PyTuple_SET_ITEM(op, i, v) (_PyTuple_CAST(op)->ob_item[i] = v)
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