bpo-33012: Fix signatures of METH_NOARGS functions. (GH-10736) (GH-10748)

(cherry picked from commit 8152402)

Author: serhiy-storchaka

Modules/_collectionsmodule.c

@@ -1344,7 +1344,7 @@ deque_traverse(dequeobject *deque, visitproc visit, void *arg)
 }
 
 static PyObject *
-deque_reduce(dequeobject *deque)
+deque_reduce(dequeobject *deque, PyObject *Py_UNUSED(ignored))
 {
     PyObject *dict, *it;
     _Py_IDENTIFIER(__dict__);

Modules/_cursesmodule.c

@@ -414,27 +414,27 @@ PyTypeObject PyCursesWindow_Type;
    PARSESTR - format string for argument parsing
 */
 
-#define Window_NoArgNoReturnFunction(X)                 \
-    static PyObject *PyCursesWindow_ ## X               \
-    (PyCursesWindowObject *self, PyObject *args)        \
+#define Window_NoArgNoReturnFunction(X)                         \
+    static PyObject *PyCursesWindow_ ## X                       \
+    (PyCursesWindowObject *self, PyObject *Py_UNUSED(ignored))  \
     { return PyCursesCheckERR(X(self->win), # X); }
 
 #define Window_NoArgTrueFalseFunction(X)                                \
     static PyObject * PyCursesWindow_ ## X                              \
-    (PyCursesWindowObject *self)                                        \
+    (PyCursesWindowObject *self, PyObject *Py_UNUSED(ignored))          \
     {                                                                   \
         if (X (self->win) == FALSE) { Py_RETURN_FALSE; } \
         else { Py_RETURN_TRUE; } }
 
 #define Window_NoArgNoReturnVoidFunction(X)                     \
     static PyObject * PyCursesWindow_ ## X                      \
-    (PyCursesWindowObject *self)                                \
+    (PyCursesWindowObject *self, PyObject *Py_UNUSED(ignored))  \
     {                                                           \
         X(self->win); Py_RETURN_NONE; }
 
 #define Window_NoArg2TupleReturnFunction(X, TYPE, ERGSTR)               \
     static PyObject * PyCursesWindow_ ## X                              \
-    (PyCursesWindowObject *self)                                        \
+    (PyCursesWindowObject *self, PyObject *Py_UNUSED(ignored))          \
     {                                                                   \
         TYPE arg1, arg2;                                                \
         X(self->win,arg1,arg2); return Py_BuildValue(ERGSTR, arg1, arg2); }

Modules/_testcapimodule.c

@@ -943,7 +943,7 @@ test_buildvalue_N_error(const char *fmt)
 }
 
 static PyObject *
-test_buildvalue_N(PyObject *self, PyObject *noargs)
+test_buildvalue_N(PyObject *self, PyObject *Py_UNUSED(ignored))
 {
     PyObject *arg, *res;
 
@@ -2453,7 +2453,7 @@ pending_threadfunc(PyObject *self, PyObject *arg)
 
 /* Some tests of PyUnicode_FromFormat().  This needs more tests. */
 static PyObject *
-test_string_from_format(PyObject *self, PyObject *args)
+test_string_from_format(PyObject *self, PyObject *Py_UNUSED(ignored))
 {
     PyObject *result;
     char *msg;
@@ -2593,7 +2593,7 @@ typedef struct {
 } known_capsule;
 
 static PyObject *
-test_capsule(PyObject *self, PyObject *args)
+test_capsule(PyObject *self, PyObject *Py_UNUSED(ignored))
 {
     PyObject *object;
     const char *error = NULL;
@@ -2964,7 +2964,7 @@ make_memoryview_from_NULL_pointer(PyObject *self)
 }
 
 static PyObject *
-test_from_contiguous(PyObject* self, PyObject *noargs)
+test_from_contiguous(PyObject* self, PyObject *Py_UNUSED(ignored))
 {
     int data[9] = {-1,-1,-1,-1,-1,-1,-1,-1,-1};
     int init[5] = {0, 1, 2, 3, 4};
@@ -3017,7 +3017,7 @@ test_from_contiguous(PyObject* self, PyObject *noargs)
 extern PyTypeObject _PyBytesIOBuffer_Type;
 
 static PyObject *
-test_pep3118_obsolete_write_locks(PyObject* self, PyObject *noargs)
+test_pep3118_obsolete_write_locks(PyObject* self, PyObject *Py_UNUSED(ignored))
 {
     PyTypeObject *type = &_PyBytesIOBuffer_Type;
     PyObject *b;

Objects/odictobject.c

@@ -1803,7 +1803,7 @@ odictiter_iternext(odictiterobject *di)
 PyDoc_STRVAR(reduce_doc, "Return state information for pickling");
 
 static PyObject *
-odictiter_reduce(odictiterobject *di)
+odictiter_reduce(odictiterobject *di, PyObject *Py_UNUSED(ignored))
 {
     /* copy the iterator state */
     odictiterobject tmp = *di;