Add safecase to silence Win64 warning.

loewis · loewis · commit e04670af17a8 · 2012-05-15T14:34:58.000+02:00
diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
@@ -533,7 +533,8 @@ teedataobject_new(PyTypeObject *type, PyObject *args, PyObject *kw)
         tdo->values[i] = PyList_GET_ITEM(values, i);
         Py_INCREF(tdo->values[i]);
     }
-    tdo->numread = len;
+    /* len <= LINKCELLS < INT_MAX */
+    tdo->numread = Py_SAFE_DOWNCAST(len, Py_ssize_t, int);
 
     if (len == LINKCELLS) {
         if (next != Py_None) {

Original file line number	Diff line number	Diff line change
`@@ -533,7 +533,8 @@ teedataobject_new(PyTypeObject type, PyObject args, PyObject *kw)`
`533`	`533`	`tdo->values[i] = PyList_GET_ITEM(values, i);`
`534`	`534`	`Py_INCREF(tdo->values[i]);`
`535`	`535`	`}`
`536`		`- tdo->numread = len;`
	`536`	`+ /* len <= LINKCELLS < INT_MAX */`
	`537`	`+ tdo->numread = Py_SAFE_DOWNCAST(len, Py_ssize_t, int);`
`537`	`538`
`538`	`539`	`if (len == LINKCELLS) {`
`539`	`540`	`if (next != Py_None) {`