gh-92210: Move socket.__init__ to argument clinic (#92237)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@protonmail.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/Modules/clinic/socketmodule.c.h b/Modules/clinic/socketmodule.c.h
new file mode 100644
index 0000000..dab2b6d
--- /dev/null
+++ b/Modules/clinic/socketmodule.c.h
@@ -0,0 +1,65 @@
+/*[clinic input]
+preserve
+[clinic start generated code]*/
+
+static int
+sock_initobj_impl(PySocketSockObject *self, int family, int type, int proto,
+                  PyObject *fdobj);
+
+static int
+sock_initobj(PyObject *self, PyObject *args, PyObject *kwargs)
+{
+    int return_value = -1;
+    static const char * const _keywords[] = {"family", "type", "proto", "fileno", NULL};
+    static _PyArg_Parser _parser = {NULL, _keywords, "socket", 0};
+    PyObject *argsbuf[4];
+    PyObject * const *fastargs;
+    Py_ssize_t nargs = PyTuple_GET_SIZE(args);
+    Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
+    int family = -1;
+    int type = -1;
+    int proto = -1;
+    PyObject *fdobj = NULL;
+
+    fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 4, 0, argsbuf);
+    if (!fastargs) {
+        goto exit;
+    }
+    if (!noptargs) {
+        goto skip_optional_pos;
+    }
+    if (fastargs[0]) {
+        family = _PyLong_AsInt(fastargs[0]);
+        if (family == -1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+    if (fastargs[1]) {
+        type = _PyLong_AsInt(fastargs[1]);
+        if (type == -1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+    if (fastargs[2]) {
+        proto = _PyLong_AsInt(fastargs[2]);
+        if (proto == -1 && PyErr_Occurred()) {
+            goto exit;
+        }
+        if (!--noptargs) {
+            goto skip_optional_pos;
+        }
+    }
+    fdobj = fastargs[3];
+skip_optional_pos:
+    return_value = sock_initobj_impl((PySocketSockObject *)self, family, type, proto, fdobj);
+
+exit:
+    return return_value;
+}
+/*[clinic end generated code: output=2433d6ac51bc962a input=a9049054013a1b77]*/