python: Add some utility functions for working with Python objects based on talloc pointers.

(This used to be commit 9366ddba92e192cd88e12eafba4a90af8c266f1c)

2 files changed, 77 insertions, 0 deletions

diff --git a/source4/scripting/python/pytalloc.c b/source4/scripting/python/pytalloc.c
new file mode 100644
index 0000000000..55ed56a627
--- /dev/null
+++ b/source4/scripting/python/pytalloc.c
@@ -0,0 +1,34 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Python/Talloc glue
+   Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+void py_talloc_dealloc(PyObject* self)
+{
+	py_talloc_Object *obj = (py_talloc_Object *)self;
+	talloc_free(obj->object);
+	PyObject_Del(self);
+}
+
+PyObject *py_talloc_import(PyTypeObject *py_type, void *ptr)
+{
+	PyObject *ret = PyObject_New(py_talloc_Object, &py_type);
+	ret->talloc_ptr = talloc_reference(NULL, ptr); 
+	return ret;
+}
diff --git a/source4/scripting/python/pytalloc.h b/source4/scripting/python/pytalloc.h
new file mode 100644
index 0000000000..93f6b48d82
--- /dev/null
+++ b/source4/scripting/python/pytalloc.h
@@ -0,0 +1,43 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba utility functions
+   Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _PY_TALLOC_H_
+#define _PY_TALLOC_H_
+
+#include <Python.h>
+
+typedef struct {
+	PyObject_HEAD
+	void *talloc_ptr;
+} py_talloc_Object;
+
+/* Deallocate a py_talloc_Object */
+void py_talloc_dealloc(PyObject* self);
+
+/* Retrieve the pointer for a py_talloc_object. Like talloc_get_type() 
+ * but for py_talloc_Objects. */
+
+/* FIXME: Call PyErr_SetString(PyExc_TypeError, "expected " __STR(type) ") 
+ * when talloc_get_type() returns NULL. */
+#define py_talloc_get_type(py_obj, type) \
+	talloc_get_type(((py_talloc_Object *)py_obj)->talloc_ptr, type)
+
+PyObject *py_talloc_import(PyTypeObject *py_type, void *ptr);
+
+#endif /* _PY_TALLOC_H_ */