bpo-33029: Fix signatures of getter and setter functions. (GH-10746)

Fix also return type for few other functions (clear, releasebuffer).

7 files changed, 56 insertions, 51 deletions

diff --git a/Objects/cellobject.c b/Objects/cellobject.c
index 6b7136c412..86bebb9604 100644
--- a/Objects/cellobject.c
+++ b/Objects/cellobject.c
@@ -112,7 +112,7 @@ cell_get_contents(PyCellObject *op, void *closure)
 }
 
 static int
-cell_set_contents(PyCellObject *op, PyObject *obj)
+cell_set_contents(PyCellObject *op, PyObject *obj, void *Py_UNUSED(ignored))
 {
     Py_XINCREF(obj);
     Py_XSETREF(op->ob_ref, obj);
diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 23d4b1a29e..d8dbfa9a47 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -441,7 +441,7 @@ calculate_qualname(PyDescrObject *descr)
 }
 
 static PyObject *
-descr_get_qualname(PyDescrObject *descr)
+descr_get_qualname(PyDescrObject *descr, void *Py_UNUSED(ignored))
 {
     if (descr->d_qualname == NULL)
         descr->d_qualname = calculate_qualname(descr);
@@ -1107,7 +1107,7 @@ static PyMemberDef wrapper_members[] = {
 };
 
 static PyObject *
-wrapper_objclass(wrapperobject *wp)
+wrapper_objclass(wrapperobject *wp, void *Py_UNUSED(ignored))
 {
     PyObject *c = (PyObject *)PyDescr_TYPE(wp->descr);
 
@@ -1116,7 +1116,7 @@ wrapper_objclass(wrapperobject *wp)
 }
 
 static PyObject *
-wrapper_name(wrapperobject *wp)
+wrapper_name(wrapperobject *wp, void *Py_UNUSED(ignored))
 {
     const char *s = wp->descr->d_base->name;
 
@@ -1124,21 +1124,21 @@ wrapper_name(wrapperobject *wp)
 }
 
 static PyObject *
-wrapper_doc(wrapperobject *wp, void *closure)
+wrapper_doc(wrapperobject *wp, void *Py_UNUSED(ignored))
 {
     return _PyType_GetDocFromInternalDoc(wp->descr->d_base->name, wp->descr->d_base->doc);
 }
 
 static PyObject *
-wrapper_text_signature(wrapperobject *wp, void *closure)
+wrapper_text_signature(wrapperobject *wp, void *Py_UNUSED(ignored))
 {
     return _PyType_GetTextSignatureFromInternalDoc(wp->descr->d_base->name, wp->descr->d_base->doc);
 }
 
 static PyObject *
-wrapper_qualname(wrapperobject *wp)
+wrapper_qualname(wrapperobject *wp, void *Py_UNUSED(ignored))
 {
-    return descr_get_qualname((PyDescrObject *)wp->descr);
+    return descr_get_qualname((PyDescrObject *)wp->descr, NULL);
 }
 
 static PyGetSetDef wrapper_getsets[] = {
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index cecbf977a3..05578d4a6a 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -182,7 +182,7 @@ static PyMethodDef BaseException_methods[] = {
 };
 
 static PyObject *
-BaseException_get_args(PyBaseExceptionObject *self)
+BaseException_get_args(PyBaseExceptionObject *self, void *Py_UNUSED(ignored))
 {
     if (self->args == NULL) {
         Py_RETURN_NONE;
@@ -192,7 +192,7 @@ BaseException_get_args(PyBaseExceptionObject *self)
 }
 
 static int
-BaseException_set_args(PyBaseExceptionObject *self, PyObject *val)
+BaseException_set_args(PyBaseExceptionObject *self, PyObject *val, void *Py_UNUSED(ignored))
 {
     PyObject *seq;
     if (val == NULL) {
@@ -207,7 +207,7 @@ BaseException_set_args(PyBaseExceptionObject *self, PyObject *val)
 }
 
 static PyObject *
-BaseException_get_tb(PyBaseExceptionObject *self)
+BaseException_get_tb(PyBaseExceptionObject *self, void *Py_UNUSED(ignored))
 {
     if (self->traceback == NULL) {
         Py_RETURN_NONE;
@@ -217,7 +217,7 @@ BaseException_get_tb(PyBaseExceptionObject *self)
 }
 
 static int
-BaseException_set_tb(PyBaseExceptionObject *self, PyObject *tb)
+BaseException_set_tb(PyBaseExceptionObject *self, PyObject *tb, void *Py_UNUSED(ignored))
 {
     if (tb == NULL) {
         PyErr_SetString(PyExc_TypeError, "__traceback__ may not be deleted");
@@ -235,7 +235,8 @@ BaseException_set_tb(PyBaseExceptionObject *self, PyObject *tb)
 }
 
 static PyObject *
-BaseException_get_context(PyObject *self) {
+BaseException_get_context(PyObject *self, void *Py_UNUSED(ignored))
+{
     PyObject *res = PyException_GetContext(self);
     if (res)
         return res;  /* new reference already returned above */
@@ -243,7 +244,8 @@ BaseException_get_context(PyObject *self) {
 }
 
 static int
-BaseException_set_context(PyObject *self, PyObject *arg) {
+BaseException_set_context(PyObject *self, PyObject *arg, void *Py_UNUSED(ignored))
+{
     if (arg == NULL) {
         PyErr_SetString(PyExc_TypeError, "__context__ may not be deleted");
         return -1;
@@ -262,7 +264,8 @@ BaseException_set_context(PyObject *self, PyObject *arg) {
 }
 
 static PyObject *
-BaseException_get_cause(PyObject *self) {
+BaseException_get_cause(PyObject *self, void *Py_UNUSED(ignored))
+{
     PyObject *res = PyException_GetCause(self);
     if (res)
         return res;  /* new reference already returned above */
@@ -270,7 +273,8 @@ BaseException_get_cause(PyObject *self) {
 }
 
 static int
-BaseException_set_cause(PyObject *self, PyObject *arg) {
+BaseException_set_cause(PyObject *self, PyObject *arg, void *Py_UNUSED(ignored))
+{
     if (arg == NULL) {
         PyErr_SetString(PyExc_TypeError, "__cause__ may not be deleted");
         return -1;
@@ -293,10 +297,10 @@ static PyGetSetDef BaseException_getset[] = {
     {"__dict__", PyObject_GenericGetDict, PyObject_GenericSetDict},
     {"args", (getter)BaseException_get_args, (setter)BaseException_set_args},
     {"__traceback__", (getter)BaseException_get_tb, (setter)BaseException_set_tb},
-    {"__context__", (getter)BaseException_get_context,
-     (setter)BaseException_set_context, PyDoc_STR("exception context")},
-    {"__cause__", (getter)BaseException_get_cause,
-     (setter)BaseException_set_cause, PyDoc_STR("exception cause")},
+    {"__context__", BaseException_get_context,
+     BaseException_set_context, PyDoc_STR("exception context")},
+    {"__cause__", BaseException_get_cause,
+     BaseException_set_cause, PyDoc_STR("exception cause")},
     {NULL},
 };
 
@@ -311,7 +315,7 @@ PyException_GetTraceback(PyObject *self) {
 
 int
 PyException_SetTraceback(PyObject *self, PyObject *tb) {
-    return BaseException_set_tb((PyBaseExceptionObject *)self, tb);
+    return BaseException_set_tb((PyBaseExceptionObject *)self, tb, NULL);
 }
 
 PyObject *
diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index b1a83d82a3..400f99f6c9 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -87,7 +87,7 @@ get_arg(const _Py_CODEUNIT *codestr, Py_ssize_t i)
  *    that time.
  */
 static int
-frame_setlineno(PyFrameObject *f, PyObject* p_new_lineno)
+frame_setlineno(PyFrameObject *f, PyObject* p_new_lineno, void *Py_UNUSED(ignored))
 {
     int new_lineno = 0;                 /* The new value of f_lineno */
     long l_new_lineno;
@@ -470,7 +470,7 @@ frame_traverse(PyFrameObject *f, visitproc visit, void *arg)
     return 0;
 }
 
-static void
+static int
 frame_tp_clear(PyFrameObject *f)
 {
     PyObject **fastlocals, **p, **oldtop;
@@ -498,6 +498,7 @@ frame_tp_clear(PyFrameObject *f)
         for (p = f->f_valuestack; p < oldtop; p++)
             Py_CLEAR(*p);
     }
+    return 0;
 }
 
 static PyObject *
@@ -512,7 +513,7 @@ frame_clear(PyFrameObject *f, PyObject *Py_UNUSED(ignored))
         _PyGen_Finalize(f->f_gen);
         assert(f->f_gen == NULL);
     }
-    frame_tp_clear(f);
+    (void)frame_tp_clear(f);
     Py_RETURN_NONE;
 }
 
diff --git a/Objects/funcobject.c b/Objects/funcobject.c
index c77e4e9f4e..2add874fce 100644
--- a/Objects/funcobject.c
+++ b/Objects/funcobject.c
@@ -244,14 +244,14 @@ static PyMemberDef func_memberlist[] = {
 };
 
 static PyObject *
-func_get_code(PyFunctionObject *op)
+func_get_code(PyFunctionObject *op, void *Py_UNUSED(ignored))
 {
     Py_INCREF(op->func_code);
     return op->func_code;
 }
 
 static int
-func_set_code(PyFunctionObject *op, PyObject *value)
+func_set_code(PyFunctionObject *op, PyObject *value, void *Py_UNUSED(ignored))
 {
     Py_ssize_t nfree, nclosure;
 
@@ -279,14 +279,14 @@ func_set_code(PyFunctionObject *op, PyObject *value)
 }
 
 static PyObject *
-func_get_name(PyFunctionObject *op)
+func_get_name(PyFunctionObject *op, void *Py_UNUSED(ignored))
 {
     Py_INCREF(op->func_name);
     return op->func_name;
 }
 
 static int
-func_set_name(PyFunctionObject *op, PyObject *value)
+func_set_name(PyFunctionObject *op, PyObject *value, void *Py_UNUSED(ignored))
 {
     /* Not legal to del f.func_name or to set it to anything
      * other than a string object. */
@@ -301,14 +301,14 @@ func_set_name(PyFunctionObject *op, PyObject *value)
 }
 
 static PyObject *
-func_get_qualname(PyFunctionObject *op)
+func_get_qualname(PyFunctionObject *op, void *Py_UNUSED(ignored))
 {
     Py_INCREF(op->func_qualname);
     return op->func_qualname;
 }
 
 static int
-func_set_qualname(PyFunctionObject *op, PyObject *value)
+func_set_qualname(PyFunctionObject *op, PyObject *value, void *Py_UNUSED(ignored))
 {
     /* Not legal to del f.__qualname__ or to set it to anything
      * other than a string object. */
@@ -323,7 +323,7 @@ func_set_qualname(PyFunctionObject *op, PyObject *value)
 }
 
 static PyObject *
-func_get_defaults(PyFunctionObject *op)
+func_get_defaults(PyFunctionObject *op, void *Py_UNUSED(ignored))
 {
     if (op->func_defaults == NULL) {
         Py_RETURN_NONE;
@@ -333,7 +333,7 @@ func_get_defaults(PyFunctionObject *op)
 }
 
 static int
-func_set_defaults(PyFunctionObject *op, PyObject *value)
+func_set_defaults(PyFunctionObject *op, PyObject *value, void *Py_UNUSED(ignored))
 {
     /* Legal to del f.func_defaults.
      * Can only set func_defaults to NULL or a tuple. */
@@ -350,7 +350,7 @@ func_set_defaults(PyFunctionObject *op, PyObject *value)
 }
 
 static PyObject *
-func_get_kwdefaults(PyFunctionObject *op)
+func_get_kwdefaults(PyFunctionObject *op, void *Py_UNUSED(ignored))
 {
     if (op->func_kwdefaults == NULL) {
         Py_RETURN_NONE;
@@ -360,7 +360,7 @@ func_get_kwdefaults(PyFunctionObject *op)
 }
 
 static int
-func_set_kwdefaults(PyFunctionObject *op, PyObject *value)
+func_set_kwdefaults(PyFunctionObject *op, PyObject *value, void *Py_UNUSED(ignored))
 {
     if (value == Py_None)
         value = NULL;
@@ -377,7 +377,7 @@ func_set_kwdefaults(PyFunctionObject *op, PyObject *value)
 }
 
 static PyObject *
-func_get_annotations(PyFunctionObject *op)
+func_get_annotations(PyFunctionObject *op, void *Py_UNUSED(ignored))
 {
     if (op->func_annotations == NULL) {
         op->func_annotations = PyDict_New();
@@ -389,7 +389,7 @@ func_get_annotations(PyFunctionObject *op)
 }
 
 static int
-func_set_annotations(PyFunctionObject *op, PyObject *value)
+func_set_annotations(PyFunctionObject *op, PyObject *value, void *Py_UNUSED(ignored))
 {
     if (value == Py_None)
         value = NULL;
diff --git a/Objects/genobject.c b/Objects/genobject.c
index 3279a0947e..e2def38af5 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -645,14 +645,14 @@ gen_repr(PyGenObject *gen)
 }
 
 static PyObject *
-gen_get_name(PyGenObject *op)
+gen_get_name(PyGenObject *op, void *Py_UNUSED(ignored))
 {
     Py_INCREF(op->gi_name);
     return op->gi_name;
 }
 
 static int
-gen_set_name(PyGenObject *op, PyObject *value)
+gen_set_name(PyGenObject *op, PyObject *value, void *Py_UNUSED(ignored))
 {
     /* Not legal to del gen.gi_name or to set it to anything
      * other than a string object. */
@@ -667,14 +667,14 @@ gen_set_name(PyGenObject *op, PyObject *value)
 }
 
 static PyObject *
-gen_get_qualname(PyGenObject *op)
+gen_get_qualname(PyGenObject *op, void *Py_UNUSED(ignored))
 {
     Py_INCREF(op->gi_qualname);
     return op->gi_qualname;
 }
 
 static int
-gen_set_qualname(PyGenObject *op, PyObject *value)
+gen_set_qualname(PyGenObject *op, PyObject *value, void *Py_UNUSED(ignored))
 {
     /* Not legal to del gen.__qualname__ or to set it to anything
      * other than a string object. */
@@ -689,7 +689,7 @@ gen_set_qualname(PyGenObject *op, PyObject *value)
 }
 
 static PyObject *
-gen_getyieldfrom(PyGenObject *gen)
+gen_getyieldfrom(PyGenObject *gen, void *Py_UNUSED(ignored))
 {
     PyObject *yf = _PyGen_yf(gen);
     if (yf == NULL)
@@ -926,7 +926,7 @@ coro_await(PyCoroObject *coro)
 }
 
 static PyObject *
-coro_get_cr_await(PyCoroObject *coro)
+coro_get_cr_await(PyCoroObject *coro, void *Py_UNUSED(ignored))
 {
     PyObject *yf = _PyGen_yf((PyGenObject *) coro);
     if (yf == NULL)
diff --git a/Objects/memoryobject.c b/Objects/memoryobject.c
index c1350b7dc3..40e6308c87 100644
--- a/Objects/memoryobject.c
+++ b/Objects/memoryobject.c
@@ -2920,7 +2920,7 @@ _IntTupleFromSsizet(int len, Py_ssize_t *vals)
 }
 
 static PyObject *
-memory_obj_get(PyMemoryViewObject *self)
+memory_obj_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     Py_buffer *view = &self->view;
 
@@ -2933,56 +2933,56 @@ memory_obj_get(PyMemoryViewObject *self)
 }
 
 static PyObject *
-memory_nbytes_get(PyMemoryViewObject *self)
+memory_nbytes_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     CHECK_RELEASED(self);
     return PyLong_FromSsize_t(self->view.len);
 }
 
 static PyObject *
-memory_format_get(PyMemoryViewObject *self)
+memory_format_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     CHECK_RELEASED(self);
     return PyUnicode_FromString(self->view.format);
 }
 
 static PyObject *
-memory_itemsize_get(PyMemoryViewObject *self)
+memory_itemsize_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     CHECK_RELEASED(self);
     return PyLong_FromSsize_t(self->view.itemsize);
 }
 
 static PyObject *
-memory_shape_get(PyMemoryViewObject *self)
+memory_shape_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     CHECK_RELEASED(self);
     return _IntTupleFromSsizet(self->view.ndim, self->view.shape);
 }
 
 static PyObject *
-memory_strides_get(PyMemoryViewObject *self)
+memory_strides_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     CHECK_RELEASED(self);
     return _IntTupleFromSsizet(self->view.ndim, self->view.strides);
 }
 
 static PyObject *
-memory_suboffsets_get(PyMemoryViewObject *self)
+memory_suboffsets_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     CHECK_RELEASED(self);
     return _IntTupleFromSsizet(self->view.ndim, self->view.suboffsets);
 }
 
 static PyObject *
-memory_readonly_get(PyMemoryViewObject *self)
+memory_readonly_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     CHECK_RELEASED(self);
     return PyBool_FromLong(self->view.readonly);
 }
 
 static PyObject *
-memory_ndim_get(PyMemoryViewObject *self)
+memory_ndim_get(PyMemoryViewObject *self, void *Py_UNUSED(ignored))
 {
     CHECK_RELEASED(self);
     return PyLong_FromLong(self->view.ndim);