1 /*
2    Unix SMB/CIFS implementation.
3    Samba utility functions
4    Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
5 
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10 
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
18 */
19 
20 #ifndef _PYTALLOC_H_
21 #define _PYTALLOC_H_
22 
23 #include <Python.h>
24 #include <talloc.h>
25 
26 typedef struct {
27 	PyObject_HEAD
28 	TALLOC_CTX *talloc_ctx;
29 	void *ptr; /* eg the array element */
30 } pytalloc_Object;
31 
32 /* Return the PyTypeObject for pytalloc_Object. Returns a borrowed reference. */
33 PyTypeObject *pytalloc_GetObjectType(void);
34 
35 /* Return the PyTypeObject for pytalloc_BaseObject. Returns a borrowed reference. */
36 PyTypeObject *pytalloc_GetBaseObjectType(void);
37 
38 /* Check whether a specific object is a talloc Object. */
39 int pytalloc_Check(PyObject *);
40 
41 int pytalloc_BaseObject_check(PyObject *);
42 
43 int _pytalloc_check_type(PyObject *py_obj, const char *type_name);
44 #define pytalloc_check_type(py_obj, type) \
45 	_pytalloc_check_type((PyObject *)(py_obj), #type)
46 
47 /* Retrieve the pointer for a pytalloc_object. Like talloc_get_type()
48  * but for pytalloc_Objects. */
49 void *_pytalloc_get_type(PyObject *py_obj, const char *type_name);
50 #define pytalloc_get_type(py_obj, type) ((type *)_pytalloc_get_type((PyObject *)(py_obj), #type))
51 
52 void *_pytalloc_get_ptr(PyObject *py_obj);
53 #define pytalloc_get_ptr(py_obj) _pytalloc_get_ptr((PyObject *)(py_obj))
54 TALLOC_CTX *_pytalloc_get_mem_ctx(PyObject *py_obj);
55 #define pytalloc_get_mem_ctx(py_obj) _pytalloc_get_mem_ctx((PyObject *)(py_obj))
56 
57 const char *_pytalloc_get_name(PyObject *py_obj);
58 #define pytalloc_get_name(py_obj) _pytalloc_get_name((PyObject *)(py_obj))
59 
60 
61 PyObject *pytalloc_steal_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx, void *ptr);
62 PyObject *pytalloc_steal(PyTypeObject *py_type, void *ptr);
63 PyObject *pytalloc_reference_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx, void *ptr);
64 #define pytalloc_reference(py_type, talloc_ptr) pytalloc_reference_ex(py_type, talloc_ptr, talloc_ptr)
65 
66 #define pytalloc_new(type, typeobj) pytalloc_steal(typeobj, talloc_zero(NULL, type))
67 
68 /*
69  * Wrap a generic talloc pointer into a talloc.GenericObject,
70  * this is a subclass of talloc.BaseObject.
71  */
72 PyObject *pytalloc_GenericObject_steal_ex(TALLOC_CTX *mem_ctx, void *ptr);
73 #define pytalloc_GenericObject_steal(talloc_ptr) \
74 	pytalloc_GenericObject_steal_ex(talloc_ptr, talloc_ptr)
75 PyObject *pytalloc_GenericObject_reference_ex(TALLOC_CTX *mem_ctx, void *ptr);
76 #define pytalloc_GenericObject_reference(talloc_ptr) \
77 	pytalloc_GenericObject_reference_ex(talloc_ptr, talloc_ptr)
78 
79 size_t pytalloc_BaseObject_size(void);
80 
81 int pytalloc_BaseObject_PyType_Ready(PyTypeObject *type);
82 
83 #endif /* _PYTALLOC_H_ */
84