bpo-33012: Fix invalid function cast warnings with gcc 8 in Argument Clinic. (GH-6748)

Fix invalid function cast warnings with gcc 8
for method conventions different from METH_NOARGS, METH_O and
METH_VARARGS in Argument Clinic generated code.

8 files changed, 38 insertions, 38 deletions

diff --git a/Modules/_io/clinic/_iomodule.c.h b/Modules/_io/clinic/_iomodule.c.h
index b8ae2ce..f03e84e 100644
--- a/Modules/_io/clinic/_iomodule.c.h
+++ b/Modules/_io/clinic/_iomodule.c.h
@@ -127,7 +127,7 @@ PyDoc_STRVAR(_io_open__doc__,
 "opened in a binary mode.");
 
 #define _IO_OPEN_METHODDEF    \
-    {"open", (PyCFunction)_io_open, METH_FASTCALL|METH_KEYWORDS, _io_open__doc__},
+    {"open", (PyCFunction)(void(*)(void))_io_open, METH_FASTCALL|METH_KEYWORDS, _io_open__doc__},
 
 static PyObject *
 _io_open_impl(PyObject *module, PyObject *file, const char *mode,
@@ -158,4 +158,4 @@ _io_open(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kw
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=a9de1ae79c960e81 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=a2c1af38d943ccec input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/bufferedio.c.h b/Modules/_io/clinic/bufferedio.c.h
index 7b93929..e78ca20 100644
--- a/Modules/_io/clinic/bufferedio.c.h
+++ b/Modules/_io/clinic/bufferedio.c.h
@@ -91,7 +91,7 @@ PyDoc_STRVAR(_io__Buffered_peek__doc__,
 "\n");
 
 #define _IO__BUFFERED_PEEK_METHODDEF    \
-    {"peek", (PyCFunction)_io__Buffered_peek, METH_FASTCALL, _io__Buffered_peek__doc__},
+    {"peek", (PyCFunction)(void(*)(void))_io__Buffered_peek, METH_FASTCALL, _io__Buffered_peek__doc__},
 
 static PyObject *
 _io__Buffered_peek_impl(buffered *self, Py_ssize_t size);
@@ -118,7 +118,7 @@ PyDoc_STRVAR(_io__Buffered_read__doc__,
 "\n");
 
 #define _IO__BUFFERED_READ_METHODDEF    \
-    {"read", (PyCFunction)_io__Buffered_read, METH_FASTCALL, _io__Buffered_read__doc__},
+    {"read", (PyCFunction)(void(*)(void))_io__Buffered_read, METH_FASTCALL, _io__Buffered_read__doc__},
 
 static PyObject *
 _io__Buffered_read_impl(buffered *self, Py_ssize_t n);
@@ -145,7 +145,7 @@ PyDoc_STRVAR(_io__Buffered_read1__doc__,
 "\n");
 
 #define _IO__BUFFERED_READ1_METHODDEF    \
-    {"read1", (PyCFunction)_io__Buffered_read1, METH_FASTCALL, _io__Buffered_read1__doc__},
+    {"read1", (PyCFunction)(void(*)(void))_io__Buffered_read1, METH_FASTCALL, _io__Buffered_read1__doc__},
 
 static PyObject *
 _io__Buffered_read1_impl(buffered *self, Py_ssize_t n);
@@ -234,7 +234,7 @@ PyDoc_STRVAR(_io__Buffered_readline__doc__,
 "\n");
 
 #define _IO__BUFFERED_READLINE_METHODDEF    \
-    {"readline", (PyCFunction)_io__Buffered_readline, METH_FASTCALL, _io__Buffered_readline__doc__},
+    {"readline", (PyCFunction)(void(*)(void))_io__Buffered_readline, METH_FASTCALL, _io__Buffered_readline__doc__},
 
 static PyObject *
 _io__Buffered_readline_impl(buffered *self, Py_ssize_t size);
@@ -261,7 +261,7 @@ PyDoc_STRVAR(_io__Buffered_seek__doc__,
 "\n");
 
 #define _IO__BUFFERED_SEEK_METHODDEF    \
-    {"seek", (PyCFunction)_io__Buffered_seek, METH_FASTCALL, _io__Buffered_seek__doc__},
+    {"seek", (PyCFunction)(void(*)(void))_io__Buffered_seek, METH_FASTCALL, _io__Buffered_seek__doc__},
 
 static PyObject *
 _io__Buffered_seek_impl(buffered *self, PyObject *targetobj, int whence);
@@ -289,7 +289,7 @@ PyDoc_STRVAR(_io__Buffered_truncate__doc__,
 "\n");
 
 #define _IO__BUFFERED_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io__Buffered_truncate, METH_FASTCALL, _io__Buffered_truncate__doc__},
+    {"truncate", (PyCFunction)(void(*)(void))_io__Buffered_truncate, METH_FASTCALL, _io__Buffered_truncate__doc__},
 
 static PyObject *
 _io__Buffered_truncate_impl(buffered *self, PyObject *pos);
@@ -476,4 +476,4 @@ _io_BufferedRandom___init__(PyObject *self, PyObject *args, PyObject *kwargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=9a20dd4eaabb5d58 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=cb4bf8d50533953b input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/bytesio.c.h b/Modules/_io/clinic/bytesio.c.h
index 5c155cb..536f753 100644
--- a/Modules/_io/clinic/bytesio.c.h
+++ b/Modules/_io/clinic/bytesio.c.h
@@ -158,7 +158,7 @@ PyDoc_STRVAR(_io_BytesIO_read__doc__,
 "Return an empty bytes object at EOF.");
 
 #define _IO_BYTESIO_READ_METHODDEF    \
-    {"read", (PyCFunction)_io_BytesIO_read, METH_FASTCALL, _io_BytesIO_read__doc__},
+    {"read", (PyCFunction)(void(*)(void))_io_BytesIO_read, METH_FASTCALL, _io_BytesIO_read__doc__},
 
 static PyObject *
 _io_BytesIO_read_impl(bytesio *self, Py_ssize_t size);
@@ -189,7 +189,7 @@ PyDoc_STRVAR(_io_BytesIO_read1__doc__,
 "Return an empty bytes object at EOF.");
 
 #define _IO_BYTESIO_READ1_METHODDEF    \
-    {"read1", (PyCFunction)_io_BytesIO_read1, METH_FASTCALL, _io_BytesIO_read1__doc__},
+    {"read1", (PyCFunction)(void(*)(void))_io_BytesIO_read1, METH_FASTCALL, _io_BytesIO_read1__doc__},
 
 static PyObject *
 _io_BytesIO_read1_impl(bytesio *self, Py_ssize_t size);
@@ -221,7 +221,7 @@ PyDoc_STRVAR(_io_BytesIO_readline__doc__,
 "Return an empty bytes object at EOF.");
 
 #define _IO_BYTESIO_READLINE_METHODDEF    \
-    {"readline", (PyCFunction)_io_BytesIO_readline, METH_FASTCALL, _io_BytesIO_readline__doc__},
+    {"readline", (PyCFunction)(void(*)(void))_io_BytesIO_readline, METH_FASTCALL, _io_BytesIO_readline__doc__},
 
 static PyObject *
 _io_BytesIO_readline_impl(bytesio *self, Py_ssize_t size);
@@ -253,7 +253,7 @@ PyDoc_STRVAR(_io_BytesIO_readlines__doc__,
 "total number of bytes in the lines returned.");
 
 #define _IO_BYTESIO_READLINES_METHODDEF    \
-    {"readlines", (PyCFunction)_io_BytesIO_readlines, METH_FASTCALL, _io_BytesIO_readlines__doc__},
+    {"readlines", (PyCFunction)(void(*)(void))_io_BytesIO_readlines, METH_FASTCALL, _io_BytesIO_readlines__doc__},
 
 static PyObject *
 _io_BytesIO_readlines_impl(bytesio *self, PyObject *arg);
@@ -320,7 +320,7 @@ PyDoc_STRVAR(_io_BytesIO_truncate__doc__,
 "The current file position is unchanged.  Returns the new size.");
 
 #define _IO_BYTESIO_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io_BytesIO_truncate, METH_FASTCALL, _io_BytesIO_truncate__doc__},
+    {"truncate", (PyCFunction)(void(*)(void))_io_BytesIO_truncate, METH_FASTCALL, _io_BytesIO_truncate__doc__},
 
 static PyObject *
 _io_BytesIO_truncate_impl(bytesio *self, Py_ssize_t size);
@@ -354,7 +354,7 @@ PyDoc_STRVAR(_io_BytesIO_seek__doc__,
 "Returns the new absolute position.");
 
 #define _IO_BYTESIO_SEEK_METHODDEF    \
-    {"seek", (PyCFunction)_io_BytesIO_seek, METH_FASTCALL, _io_BytesIO_seek__doc__},
+    {"seek", (PyCFunction)(void(*)(void))_io_BytesIO_seek, METH_FASTCALL, _io_BytesIO_seek__doc__},
 
 static PyObject *
 _io_BytesIO_seek_impl(bytesio *self, Py_ssize_t pos, int whence);
@@ -444,4 +444,4 @@ _io_BytesIO___init__(PyObject *self, PyObject *args, PyObject *kwargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=9ba9a68c8c5669e7 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=89538a941ae1267a input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/fileio.c.h b/Modules/_io/clinic/fileio.c.h
index 8a9958a..a66fc99 100644
--- a/Modules/_io/clinic/fileio.c.h
+++ b/Modules/_io/clinic/fileio.c.h
@@ -202,7 +202,7 @@ PyDoc_STRVAR(_io_FileIO_read__doc__,
 "Return an empty bytes object at EOF.");
 
 #define _IO_FILEIO_READ_METHODDEF    \
-    {"read", (PyCFunction)_io_FileIO_read, METH_FASTCALL, _io_FileIO_read__doc__},
+    {"read", (PyCFunction)(void(*)(void))_io_FileIO_read, METH_FASTCALL, _io_FileIO_read__doc__},
 
 static PyObject *
 _io_FileIO_read_impl(fileio *self, Py_ssize_t size);
@@ -274,7 +274,7 @@ PyDoc_STRVAR(_io_FileIO_seek__doc__,
 "Note that not all file objects are seekable.");
 
 #define _IO_FILEIO_SEEK_METHODDEF    \
-    {"seek", (PyCFunction)_io_FileIO_seek, METH_FASTCALL, _io_FileIO_seek__doc__},
+    {"seek", (PyCFunction)(void(*)(void))_io_FileIO_seek, METH_FASTCALL, _io_FileIO_seek__doc__},
 
 static PyObject *
 _io_FileIO_seek_impl(fileio *self, PyObject *pos, int whence);
@@ -328,7 +328,7 @@ PyDoc_STRVAR(_io_FileIO_truncate__doc__,
 "The current file position is changed to the value of size.");
 
 #define _IO_FILEIO_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io_FileIO_truncate, METH_FASTCALL, _io_FileIO_truncate__doc__},
+    {"truncate", (PyCFunction)(void(*)(void))_io_FileIO_truncate, METH_FASTCALL, _io_FileIO_truncate__doc__},
 
 static PyObject *
 _io_FileIO_truncate_impl(fileio *self, PyObject *posobj);
@@ -373,4 +373,4 @@ _io_FileIO_isatty(fileio *self, PyObject *Py_UNUSED(ignored))
 #ifndef _IO_FILEIO_TRUNCATE_METHODDEF
     #define _IO_FILEIO_TRUNCATE_METHODDEF
 #endif /* !defined(_IO_FILEIO_TRUNCATE_METHODDEF) */
-/*[clinic end generated code: output=a8796438c8b7c49a input=a9049054013a1b77]*/
+/*[clinic end generated code: output=9d44e7035bce105d input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/iobase.c.h b/Modules/_io/clinic/iobase.c.h
index e6f72cd..68eaadd 100644
--- a/Modules/_io/clinic/iobase.c.h
+++ b/Modules/_io/clinic/iobase.c.h
@@ -174,7 +174,7 @@ PyDoc_STRVAR(_io__IOBase_readline__doc__,
 "terminator(s) recognized.");
 
 #define _IO__IOBASE_READLINE_METHODDEF    \
-    {"readline", (PyCFunction)_io__IOBase_readline, METH_FASTCALL, _io__IOBase_readline__doc__},
+    {"readline", (PyCFunction)(void(*)(void))_io__IOBase_readline, METH_FASTCALL, _io__IOBase_readline__doc__},
 
 static PyObject *
 _io__IOBase_readline_impl(PyObject *self, Py_ssize_t limit);
@@ -206,7 +206,7 @@ PyDoc_STRVAR(_io__IOBase_readlines__doc__,
 "lines so far exceeds hint.");
 
 #define _IO__IOBASE_READLINES_METHODDEF    \
-    {"readlines", (PyCFunction)_io__IOBase_readlines, METH_FASTCALL, _io__IOBase_readlines__doc__},
+    {"readlines", (PyCFunction)(void(*)(void))_io__IOBase_readlines, METH_FASTCALL, _io__IOBase_readlines__doc__},
 
 static PyObject *
 _io__IOBase_readlines_impl(PyObject *self, Py_ssize_t hint);
@@ -241,7 +241,7 @@ PyDoc_STRVAR(_io__RawIOBase_read__doc__,
 "\n");
 
 #define _IO__RAWIOBASE_READ_METHODDEF    \
-    {"read", (PyCFunction)_io__RawIOBase_read, METH_FASTCALL, _io__RawIOBase_read__doc__},
+    {"read", (PyCFunction)(void(*)(void))_io__RawIOBase_read, METH_FASTCALL, _io__RawIOBase_read__doc__},
 
 static PyObject *
 _io__RawIOBase_read_impl(PyObject *self, Py_ssize_t n);
@@ -279,4 +279,4 @@ _io__RawIOBase_readall(PyObject *self, PyObject *Py_UNUSED(ignored))
 {
     return _io__RawIOBase_readall_impl(self);
 }
-/*[clinic end generated code: output=64989ec3dbf44a7c input=a9049054013a1b77]*/
+/*[clinic end generated code: output=cde4b0e96a4e69e3 input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/stringio.c.h b/Modules/_io/clinic/stringio.c.h
index 72b2540..3181688 100644
--- a/Modules/_io/clinic/stringio.c.h
+++ b/Modules/_io/clinic/stringio.c.h
@@ -48,7 +48,7 @@ PyDoc_STRVAR(_io_StringIO_read__doc__,
 "is reached. Return an empty string at EOF.");
 
 #define _IO_STRINGIO_READ_METHODDEF    \
-    {"read", (PyCFunction)_io_StringIO_read, METH_FASTCALL, _io_StringIO_read__doc__},
+    {"read", (PyCFunction)(void(*)(void))_io_StringIO_read, METH_FASTCALL, _io_StringIO_read__doc__},
 
 static PyObject *
 _io_StringIO_read_impl(stringio *self, Py_ssize_t size);
@@ -78,7 +78,7 @@ PyDoc_STRVAR(_io_StringIO_readline__doc__,
 "Returns an empty string if EOF is hit immediately.");
 
 #define _IO_STRINGIO_READLINE_METHODDEF    \
-    {"readline", (PyCFunction)_io_StringIO_readline, METH_FASTCALL, _io_StringIO_readline__doc__},
+    {"readline", (PyCFunction)(void(*)(void))_io_StringIO_readline, METH_FASTCALL, _io_StringIO_readline__doc__},
 
 static PyObject *
 _io_StringIO_readline_impl(stringio *self, Py_ssize_t size);
@@ -110,7 +110,7 @@ PyDoc_STRVAR(_io_StringIO_truncate__doc__,
 "Returns the new absolute position.");
 
 #define _IO_STRINGIO_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io_StringIO_truncate, METH_FASTCALL, _io_StringIO_truncate__doc__},
+    {"truncate", (PyCFunction)(void(*)(void))_io_StringIO_truncate, METH_FASTCALL, _io_StringIO_truncate__doc__},
 
 static PyObject *
 _io_StringIO_truncate_impl(stringio *self, Py_ssize_t size);
@@ -144,7 +144,7 @@ PyDoc_STRVAR(_io_StringIO_seek__doc__,
 "Returns the new absolute position.");
 
 #define _IO_STRINGIO_SEEK_METHODDEF    \
-    {"seek", (PyCFunction)_io_StringIO_seek, METH_FASTCALL, _io_StringIO_seek__doc__},
+    {"seek", (PyCFunction)(void(*)(void))_io_StringIO_seek, METH_FASTCALL, _io_StringIO_seek__doc__},
 
 static PyObject *
 _io_StringIO_seek_impl(stringio *self, Py_ssize_t pos, int whence);
@@ -286,4 +286,4 @@ _io_StringIO_seekable(stringio *self, PyObject *Py_UNUSED(ignored))
 {
     return _io_StringIO_seekable_impl(self);
 }
-/*[clinic end generated code: output=73c4d6e5cc3b1a58 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=00c3c7a1c6ea6773 input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/textio.c.h b/Modules/_io/clinic/textio.c.h
index 60f5dab..3ad3d67 100644
--- a/Modules/_io/clinic/textio.c.h
+++ b/Modules/_io/clinic/textio.c.h
@@ -46,7 +46,7 @@ PyDoc_STRVAR(_io_IncrementalNewlineDecoder_decode__doc__,
 "\n");
 
 #define _IO_INCREMENTALNEWLINEDECODER_DECODE_METHODDEF    \
-    {"decode", (PyCFunction)_io_IncrementalNewlineDecoder_decode, METH_FASTCALL|METH_KEYWORDS, _io_IncrementalNewlineDecoder_decode__doc__},
+    {"decode", (PyCFunction)(void(*)(void))_io_IncrementalNewlineDecoder_decode, METH_FASTCALL|METH_KEYWORDS, _io_IncrementalNewlineDecoder_decode__doc__},
 
 static PyObject *
 _io_IncrementalNewlineDecoder_decode_impl(nldecoder_object *self,
@@ -186,7 +186,7 @@ PyDoc_STRVAR(_io_TextIOWrapper_reconfigure__doc__,
 "This also does an implicit stream flush.");
 
 #define _IO_TEXTIOWRAPPER_RECONFIGURE_METHODDEF    \
-    {"reconfigure", (PyCFunction)_io_TextIOWrapper_reconfigure, METH_FASTCALL|METH_KEYWORDS, _io_TextIOWrapper_reconfigure__doc__},
+    {"reconfigure", (PyCFunction)(void(*)(void))_io_TextIOWrapper_reconfigure, METH_FASTCALL|METH_KEYWORDS, _io_TextIOWrapper_reconfigure__doc__},
 
 static PyObject *
 _io_TextIOWrapper_reconfigure_impl(textio *self, PyObject *encoding,
@@ -265,7 +265,7 @@ PyDoc_STRVAR(_io_TextIOWrapper_read__doc__,
 "\n");
 
 #define _IO_TEXTIOWRAPPER_READ_METHODDEF    \
-    {"read", (PyCFunction)_io_TextIOWrapper_read, METH_FASTCALL, _io_TextIOWrapper_read__doc__},
+    {"read", (PyCFunction)(void(*)(void))_io_TextIOWrapper_read, METH_FASTCALL, _io_TextIOWrapper_read__doc__},
 
 static PyObject *
 _io_TextIOWrapper_read_impl(textio *self, Py_ssize_t n);
@@ -292,7 +292,7 @@ PyDoc_STRVAR(_io_TextIOWrapper_readline__doc__,
 "\n");
 
 #define _IO_TEXTIOWRAPPER_READLINE_METHODDEF    \
-    {"readline", (PyCFunction)_io_TextIOWrapper_readline, METH_FASTCALL, _io_TextIOWrapper_readline__doc__},
+    {"readline", (PyCFunction)(void(*)(void))_io_TextIOWrapper_readline, METH_FASTCALL, _io_TextIOWrapper_readline__doc__},
 
 static PyObject *
 _io_TextIOWrapper_readline_impl(textio *self, Py_ssize_t size);
@@ -319,7 +319,7 @@ PyDoc_STRVAR(_io_TextIOWrapper_seek__doc__,
 "\n");
 
 #define _IO_TEXTIOWRAPPER_SEEK_METHODDEF    \
-    {"seek", (PyCFunction)_io_TextIOWrapper_seek, METH_FASTCALL, _io_TextIOWrapper_seek__doc__},
+    {"seek", (PyCFunction)(void(*)(void))_io_TextIOWrapper_seek, METH_FASTCALL, _io_TextIOWrapper_seek__doc__},
 
 static PyObject *
 _io_TextIOWrapper_seek_impl(textio *self, PyObject *cookieObj, int whence);
@@ -364,7 +364,7 @@ PyDoc_STRVAR(_io_TextIOWrapper_truncate__doc__,
 "\n");
 
 #define _IO_TEXTIOWRAPPER_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io_TextIOWrapper_truncate, METH_FASTCALL, _io_TextIOWrapper_truncate__doc__},
+    {"truncate", (PyCFunction)(void(*)(void))_io_TextIOWrapper_truncate, METH_FASTCALL, _io_TextIOWrapper_truncate__doc__},
 
 static PyObject *
 _io_TextIOWrapper_truncate_impl(textio *self, PyObject *pos);
@@ -504,4 +504,4 @@ _io_TextIOWrapper_close(textio *self, PyObject *Py_UNUSED(ignored))
 {
     return _io_TextIOWrapper_close_impl(self);
 }
-/*[clinic end generated code: output=b5be870b0039d577 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=a811badd76bfe92e input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/winconsoleio.c.h b/Modules/_io/clinic/winconsoleio.c.h
index 2291225..6e72da1 100644
--- a/Modules/_io/clinic/winconsoleio.c.h
+++ b/Modules/_io/clinic/winconsoleio.c.h
@@ -209,7 +209,7 @@ PyDoc_STRVAR(_io__WindowsConsoleIO_read__doc__,
 "Return an empty bytes object at EOF.");
 
 #define _IO__WINDOWSCONSOLEIO_READ_METHODDEF    \
-    {"read", (PyCFunction)_io__WindowsConsoleIO_read, METH_FASTCALL, _io__WindowsConsoleIO_read__doc__},
+    {"read", (PyCFunction)(void(*)(void))_io__WindowsConsoleIO_read, METH_FASTCALL, _io__WindowsConsoleIO_read__doc__},
 
 static PyObject *
 _io__WindowsConsoleIO_read_impl(winconsoleio *self, Py_ssize_t size);
@@ -328,4 +328,4 @@ _io__WindowsConsoleIO_isatty(winconsoleio *self, PyObject *Py_UNUSED(ignored))
 #ifndef _IO__WINDOWSCONSOLEIO_ISATTY_METHODDEF
     #define _IO__WINDOWSCONSOLEIO_ISATTY_METHODDEF
 #endif /* !defined(_IO__WINDOWSCONSOLEIO_ISATTY_METHODDEF) */
-/*[clinic end generated code: output=6d351a8200a8e848 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=080af41338394b49 input=a9049054013a1b77]*/