From: Guido van Rossum <guido@python.org>
Date: Thu, 5 Dec 1996 21:53:15 +0000 (+0000)
Subject: Better implementation of PyCObject_AsVoidPtr().
X-Git-Tag: v1.5a1~892
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=04f95d5238a5e17b8dbba29ee88b99b7cd58bdbf;p=python

Better implementation of PyCObject_AsVoidPtr().
---

diff --git a/Objects/cobject.c b/Objects/cobject.c
index 24b860e1af..4016b91c4f 100644
--- a/Objects/cobject.c
+++ b/Objects/cobject.c
@@ -57,13 +57,6 @@ PyCObject_FromVoidPtr(cobj, destr)
 	return (PyObject *)self;
 }
 
-void *
-PyCObject_AsVoidPtr(self)
-	PyObject *self;
-{
-        return ((PyCObject *)self)->cobject;
-}
-
 static void
 PyCObject_dealloc(self)
 	PyCObject *self;
@@ -105,3 +98,21 @@ PyTypeObject PyCObject_Type = {
 	0L,0L,0L,0L,
 	PyCObject_Type__doc__ /* Documentation string */
 };
+
+void *
+PyCObject_AsVoidPtr(self)
+	PyObject *self;
+{
+        if(self)
+	  {
+	    if(self->ob_type == &PyCObject_Type)
+	      return ((PyCObject *)self)->cobject;
+	    PyErr_SetString(PyExc_TypeError,
+			    "PyCObject_AsVoidPtr with non-C-object");
+	  }
+	if(! PyErr_Occurred())
+	    PyErr_SetString(
+               PyExc_TypeError,
+	       "PyCObject_AsVoidPtr called with null pointer");
+	return NULL;
+}