bpo-33012: Fix invalid function cast warnings with gcc 8. (GH-6749)

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

1 files changed, 10 insertions, 10 deletions

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 0054ea8..eb9c35d 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -3255,7 +3255,7 @@ static PyMethodDef date_methods[] = {
     {"ctime",       (PyCFunction)date_ctime,        METH_NOARGS,
      PyDoc_STR("Return ctime() style string.")},
 
-    {"strftime",        (PyCFunction)date_strftime,     METH_VARARGS | METH_KEYWORDS,
+    {"strftime",        (PyCFunction)(void(*)(void))date_strftime,     METH_VARARGS | METH_KEYWORDS,
      PyDoc_STR("format -> strftime() style string.")},
 
     {"__format__",      (PyCFunction)date_format,       METH_VARARGS,
@@ -3283,7 +3283,7 @@ static PyMethodDef date_methods[] = {
      PyDoc_STR("Return the day of the week represented by the date.\n"
                "Monday == 0 ... Sunday == 6")},
 
-    {"replace",     (PyCFunction)date_replace,      METH_VARARGS | METH_KEYWORDS,
+    {"replace",     (PyCFunction)(void(*)(void))date_replace,      METH_VARARGS | METH_KEYWORDS,
      PyDoc_STR("Return date with new specified fields.")},
 
     {"__reduce__", (PyCFunction)date_reduce,        METH_NOARGS,
@@ -4392,12 +4392,12 @@ time_reduce(PyDateTime_Time *self, PyObject *arg)
 
 static PyMethodDef time_methods[] = {
 
-    {"isoformat",   (PyCFunction)time_isoformat,        METH_VARARGS | METH_KEYWORDS,
+    {"isoformat",   (PyCFunction)(void(*)(void))time_isoformat,        METH_VARARGS | METH_KEYWORDS,
      PyDoc_STR("Return string in ISO 8601 format, [HH[:MM[:SS[.mmm[uuu]]]]]"
                "[+HH:MM].\n\n"
                "timespec specifies what components of the time to include.\n")},
 
-    {"strftime",        (PyCFunction)time_strftime,     METH_VARARGS | METH_KEYWORDS,
+    {"strftime",        (PyCFunction)(void(*)(void))time_strftime,     METH_VARARGS | METH_KEYWORDS,
      PyDoc_STR("format -> strftime() style string.")},
 
     {"__format__",      (PyCFunction)date_format,       METH_VARARGS,
@@ -4412,7 +4412,7 @@ static PyMethodDef time_methods[] = {
     {"dst",             (PyCFunction)time_dst,          METH_NOARGS,
      PyDoc_STR("Return self.tzinfo.dst(self).")},
 
-    {"replace",     (PyCFunction)time_replace,          METH_VARARGS | METH_KEYWORDS,
+    {"replace",     (PyCFunction)(void(*)(void))time_replace,          METH_VARARGS | METH_KEYWORDS,
      PyDoc_STR("Return time with new specified fields.")},
 
      {"fromisoformat", (PyCFunction)time_fromisoformat, METH_O | METH_CLASS,
@@ -6025,7 +6025,7 @@ static PyMethodDef datetime_methods[] = {
      METH_NOARGS | METH_CLASS,
      PyDoc_STR("Return a new datetime representing UTC day and time.")},
 
-    {"fromtimestamp", (PyCFunction)datetime_fromtimestamp,
+    {"fromtimestamp", (PyCFunction)(void(*)(void))datetime_fromtimestamp,
      METH_VARARGS | METH_KEYWORDS | METH_CLASS,
      PyDoc_STR("timestamp[, tz] -> tz's local time from POSIX timestamp.")},
 
@@ -6038,7 +6038,7 @@ static PyMethodDef datetime_methods[] = {
      PyDoc_STR("string, format -> new datetime parsed from a string "
                "(like time.strptime()).")},
 
-    {"combine", (PyCFunction)datetime_combine,
+    {"combine", (PyCFunction)(void(*)(void))datetime_combine,
      METH_VARARGS | METH_KEYWORDS | METH_CLASS,
      PyDoc_STR("date, time -> datetime with same date and time fields")},
 
@@ -6069,7 +6069,7 @@ static PyMethodDef datetime_methods[] = {
     {"utctimetuple",   (PyCFunction)datetime_utctimetuple, METH_NOARGS,
      PyDoc_STR("Return UTC time tuple, compatible with time.localtime().")},
 
-    {"isoformat",   (PyCFunction)datetime_isoformat, METH_VARARGS | METH_KEYWORDS,
+    {"isoformat",   (PyCFunction)(void(*)(void))datetime_isoformat, METH_VARARGS | METH_KEYWORDS,
      PyDoc_STR("[sep] -> string in ISO 8601 format, "
                "YYYY-MM-DDT[HH[:MM[:SS[.mmm[uuu]]]]][+HH:MM].\n"
                "sep is used to separate the year from the time, and "
@@ -6087,10 +6087,10 @@ static PyMethodDef datetime_methods[] = {
     {"dst",             (PyCFunction)datetime_dst, METH_NOARGS,
      PyDoc_STR("Return self.tzinfo.dst(self).")},
 
-    {"replace",     (PyCFunction)datetime_replace,      METH_VARARGS | METH_KEYWORDS,
+    {"replace",     (PyCFunction)(void(*)(void))datetime_replace,      METH_VARARGS | METH_KEYWORDS,
      PyDoc_STR("Return datetime with new specified fields.")},
 
-    {"astimezone",  (PyCFunction)datetime_astimezone, METH_VARARGS | METH_KEYWORDS,
+    {"astimezone",  (PyCFunction)(void(*)(void))datetime_astimezone, METH_VARARGS | METH_KEYWORDS,
      PyDoc_STR("tz -> convert to local time in new timezone tz\n")},
 
     {"__reduce_ex__", (PyCFunction)datetime_reduce_ex,     METH_VARARGS,