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authorVictor Stinner <vstinner@python.org>2022-04-27 08:40:57 (GMT)
committerGitHub <noreply@github.com>2022-04-27 08:40:57 (GMT)
commit29e2245ad5d28b565fe0d0d667d283708c6e832c (patch)
tree8147203346a87146036c0087893f910409d886b0 /Include/cpython/tupleobject.h
parentf882d33778ee2625ab32d90e28edb6878fb8af93 (diff)
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gh-91320: Add _Py_reinterpret_cast() macro (#91959)
Fix C++ compiler warnings about "old-style cast" (g++ -Wold-style-cast) in the Python C API. Use C++ reinterpret_cast<> and static_cast<> casts when the Python C API is used in C++. Example of fixed warning: Include/object.h:107:43: error: use of old-style cast to ‘PyObject*’ {aka ‘struct _object*’} [-Werror=old-style-cast] #define _PyObject_CAST(op) ((PyObject*)(op)) Add _Py_reinterpret_cast() and _Py_static_cast() macros.
Diffstat (limited to 'Include/cpython/tupleobject.h')
-rw-r--r--Include/cpython/tupleobject.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/Include/cpython/tupleobject.h b/Include/cpython/tupleobject.h
index fd15ecd..8089e24 100644
--- a/Include/cpython/tupleobject.h
+++ b/Include/cpython/tupleobject.h
@@ -14,7 +14,8 @@ PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t);
PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *);
/* Cast argument to PyTupleObject* type. */
-#define _PyTuple_CAST(op) (assert(PyTuple_Check(op)), (PyTupleObject *)(op))
+#define _PyTuple_CAST(op) \
+ (assert(PyTuple_Check(op)), _Py_reinterpret_cast(PyTupleObject*, (op)))
// Macros and static inline functions, trading safety for speed