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1 /* | |
2 Unix SMB/CIFS implementation. | |
3 Python/Talloc glue | |
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 #include "replace.h" | |
21 #include <talloc.h> | |
22 #include <pytalloc.h> | |
23 | |
24 /** | |
25 * Simple dealloc for talloc-wrapping PyObjects | |
26 */ | |
27 void py_talloc_dealloc(PyObject* self) | |
28 { | |
29 py_talloc_Object *obj = (py_talloc_Object *)self; | |
30 talloc_free(obj->talloc_ctx); | |
31 obj->talloc_ctx = NULL; | |
32 self->ob_type->tp_free(self); | |
33 } | |
34 | |
35 /** | |
36 * Import an existing talloc pointer into a Python object. | |
37 */ | |
38 PyObject *py_talloc_steal_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx, | |
39 void *ptr) | |
40 { | |
41 py_talloc_Object *ret = (py_talloc_Object *)py_type->tp_alloc(py_type, 0
); | |
42 ret->talloc_ctx = talloc_new(NULL); | |
43 if (ret->talloc_ctx == NULL) { | |
44 return NULL; | |
45 } | |
46 if (talloc_steal(ret->talloc_ctx, mem_ctx) == NULL) { | |
47 return NULL; | |
48 } | |
49 ret->ptr = ptr; | |
50 return (PyObject *)ret; | |
51 } | |
52 | |
53 | |
54 /** | |
55 * Import an existing talloc pointer into a Python object, leaving the | |
56 * original parent, and creating a reference to the object in the python | |
57 * object | |
58 */ | |
59 PyObject *py_talloc_reference_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx, voi
d *ptr) | |
60 { | |
61 py_talloc_Object *ret = (py_talloc_Object *)py_type->tp_alloc(py_type, 0
); | |
62 ret->talloc_ctx = talloc_new(NULL); | |
63 if (ret->talloc_ctx == NULL) { | |
64 return NULL; | |
65 } | |
66 if (talloc_reference(ret->talloc_ctx, mem_ctx) == NULL) { | |
67 return NULL; | |
68 } | |
69 ret->ptr = ptr; | |
70 return (PyObject *)ret; | |
71 } | |
72 | |
73 /** | |
74 * Default (but slightly more useful than the default) implementation of Repr(). | |
75 */ | |
76 PyObject *py_talloc_default_repr(PyObject *obj) | |
77 { | |
78 py_talloc_Object *talloc_obj = (py_talloc_Object *)obj; | |
79 PyTypeObject *type = (PyTypeObject*)PyObject_Type(obj); | |
80 | |
81 return PyString_FromFormat("<%s talloc object at 0x%p>", | |
82 type->tp_name, talloc_obj->ptr); | |
83 } | |
84 | |
85 static void py_cobject_talloc_free(void *ptr) | |
86 { | |
87 talloc_free(ptr); | |
88 } | |
89 | |
90 PyObject *PyCObject_FromTallocPtr(void *ptr) | |
91 { | |
92 return PyCObject_FromVoidPtr(ptr, py_cobject_talloc_free); | |
93 } | |
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