From: Guido van Rossum <guido@python.org>
Date: Wed, 23 Dec 1998 05:01:38 +0000 (+0000)
Subject: Add 'N' format character to Py_BuildValue -- like 'O' but doesn't INCREF.
X-Git-Tag: v1.5.2b2~508
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d341500d8f61633aefe90f3c8d4cc154360812ae;p=thirdparty%2FPython%2Fcpython.git

Add 'N' format character to Py_BuildValue -- like 'O' but doesn't INCREF.
Patch and suggestion by Greg Couch.
---

diff --git a/Python/modsupport.c b/Python/modsupport.c
index 6066aa860e13..56bde9e974fc 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -332,6 +332,7 @@ do_mkvalue(p_format, p_va)
 			return v;
 		}
 
+		case 'N':
 		case 'S':
 		case 'O':
 		if (**p_format == '&') {
@@ -345,7 +346,8 @@ do_mkvalue(p_format, p_va)
 			PyObject *v;
 			v = va_arg(*p_va, PyObject *);
 			if (v != NULL)
-				Py_INCREF(v);
+				if (*(*p_format - 1) != 'N')
+					Py_INCREF(v);
 			else if (!PyErr_Occurred())
 				/* If a NULL was passed
 				 * because a call that should