Put const in signatures

Author: encukou

Include/moduleobject.h

@@ -120,7 +120,7 @@ PyAPI_FUNC(int) PyUnstable_Module_SetGIL(PyObject *module, void *gil);
 #endif
 
 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= _Py_PACK_VERSION(3, 15)
-PyAPI_FUNC(PyObject *) PyModule_FromSlotsAndSpec(PyModuleDef_Slot *,
+PyAPI_FUNC(PyObject *) PyModule_FromSlotsAndSpec(const PyModuleDef_Slot *,
                                                  PyObject *spec);
 PyAPI_FUNC(int) PyModule_Exec(PyObject *mod);
 PyAPI_FUNC(int) PyModule_GetStateSize(PyObject *mod, Py_ssize_t *size_p);

Include/object.h

@@ -835,7 +835,7 @@ PyAPI_FUNC(int) PyType_Freeze(PyTypeObject *type);
 #endif
 
 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= _Py_PACK_VERSION(3, 15)
-PyAPI_FUNC(PyObject *) PyType_GetModuleByToken(PyTypeObject *, void *);
+PyAPI_FUNC(PyObject *) PyType_GetModuleByToken(PyTypeObject *, const void *);
 #endif
 
 #ifdef __cplusplus

Objects/moduleobject.c

@@ -639,7 +639,7 @@ PyModule_FromDefAndSpec2(PyModuleDef* def, PyObject *spec, int module_api_versio
 }
 
 PyObject *
-PyModule_FromSlotsAndSpec(PyModuleDef_Slot *slots, PyObject *spec)
+PyModule_FromSlotsAndSpec(const PyModuleDef_Slot *slots, PyObject *spec)
 {
     if (!slots) {
         PyErr_Format(
@@ -648,7 +648,7 @@ PyModule_FromSlotsAndSpec(PyModuleDef_Slot *slots, PyObject *spec)
         return NULL;
     }
     // Fill in enough of a PyModuleDef to pass to common machinery
-    PyModuleDef def_like = {.m_slots = slots};
+    PyModuleDef def_like = {.m_slots = (PyModuleDef_Slot *)slots};
 
     return module_from_def_and_spec(&def_like, spec, PYTHON_API_VERSION,
                                     NULL);

Objects/typeobject.c

@@ -5768,7 +5768,7 @@ PyType_GetModuleState(PyTypeObject *type)
  * has the given token.
  */
 PyObject *
-borrow_module_by_token(PyTypeObject *type, void *token)
+borrow_module_by_token(PyTypeObject *type, const void *token)
 {
     assert(PyType_Check(type));
 
@@ -5833,7 +5833,7 @@ PyType_GetModuleByDef(PyTypeObject *type, PyModuleDef *def)
 }
 
 PyObject *
-PyType_GetModuleByToken(PyTypeObject *type, void *token)
+PyType_GetModuleByToken(PyTypeObject *type, const void *token)
 {
     return Py_XNewRef(borrow_module_by_token(type, token));
 }