From 7bfb42d5b7721ca26e33050d025fec5c43c00058 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 5 Dec 2016 17:04:32 +0100
Subject: Issue #28858: Remove _PyObject_CallArg1() macro

Replace
   _PyObject_CallArg1(func, arg)
with
   PyObject_CallFunctionObjArgs(func, arg, NULL)

Using the _PyObject_CallArg1() macro increases the usage of the C stack, which
was unexpected and unwanted. PyObject_CallFunctionObjArgs() doesn't have this
issue.
---
 Python/codecs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Python/codecs.c')

diff --git a/Python/codecs.c b/Python/codecs.c
index 55f6ca85e3..688a40bd6f 100644
--- a/Python/codecs.c
+++ b/Python/codecs.c
@@ -322,7 +322,7 @@ PyObject *codec_getstreamcodec(const char *encoding,
     if (errors != NULL)
         streamcodec = PyObject_CallFunction(codeccls, "Os", stream, errors);
     else
-        streamcodec = _PyObject_CallArg1(codeccls, stream);
+        streamcodec = PyObject_CallFunctionObjArgs(codeccls, stream, NULL);
     Py_DECREF(codecs);
     return streamcodec;
 }
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