1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
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 <Python.h>
#include "replace.h"
#include <talloc.h>
#include "pytalloc.h"
#include <assert.h>
static PyTypeObject *Get_TallocType(void)
{
static PyTypeObject *type = NULL;
PyObject *mod;
if (type != NULL) {
return type;
}
mod = PyImport_ImportModule("talloc");
if (mod == NULL) {
return NULL;
}
type = (PyTypeObject *)PyObject_GetAttrString(mod, "Object");
Py_DECREF(mod);
return type;
}
/**
* Simple dealloc for talloc-wrapping PyObjects
*/
void py_talloc_dealloc(PyObject* self)
{
py_talloc_Object *obj = (py_talloc_Object *)self;
assert(talloc_unlink(NULL, obj->talloc_ctx) != -1);
obj->talloc_ctx = NULL;
self->ob_type->tp_free(self);
}
/**
* Import an existing talloc pointer into a Python object.
*/
PyObject *py_talloc_steal_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx,
void *ptr)
{
py_talloc_Object *ret = (py_talloc_Object *)py_type->tp_alloc(py_type, 0);
ret->talloc_ctx = talloc_new(NULL);
if (ret->talloc_ctx == NULL) {
return NULL;
}
if (talloc_steal(ret->talloc_ctx, mem_ctx) == NULL) {
return NULL;
}
talloc_set_name_const(ret->talloc_ctx, py_type->tp_name);
ret->ptr = ptr;
return (PyObject *)ret;
}
/**
* Import an existing talloc pointer into a Python object.
*/
PyObject *py_talloc_steal(PyTypeObject *py_type, void *ptr)
{
return py_talloc_steal_ex(py_type, ptr, ptr);
}
/**
* Import an existing talloc pointer into a Python object, leaving the
* original parent, and creating a reference to the object in the python
* object
*/
PyObject *py_talloc_reference_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx, void *ptr)
{
py_talloc_Object *ret;
if (ptr == NULL) {
Py_RETURN_NONE;
}
ret = (py_talloc_Object *)py_type->tp_alloc(py_type, 0);
ret->talloc_ctx = talloc_new(NULL);
if (ret->talloc_ctx == NULL) {
return NULL;
}
if (talloc_reference(ret->talloc_ctx, mem_ctx) == NULL) {
return NULL;
}
talloc_set_name_const(ret->talloc_ctx, py_type->tp_name);
ret->ptr = ptr;
return (PyObject *)ret;
}
/**
* Default (but only slightly more useful than the default) implementation of Repr().
*/
PyObject *py_talloc_default_repr(PyObject *obj)
{
py_talloc_Object *talloc_obj = (py_talloc_Object *)obj;
PyTypeObject *type = (PyTypeObject*)PyObject_Type(obj);
return PyString_FromFormat("<%s talloc object at 0x%p>",
type->tp_name, talloc_obj->ptr);
}
/**
* Default (but only slightly more useful than the default) implementation of cmp.
*/
int py_talloc_default_cmp(PyObject *_obj1, PyObject *_obj2)
{
py_talloc_Object *obj1 = (py_talloc_Object *)_obj1,
*obj2 = (py_talloc_Object *)_obj2;
if (obj1->ob_type != obj2->ob_type)
return (obj1->ob_type - obj2->ob_type);
return ((char *)py_talloc_get_ptr(obj1) - (char *)py_talloc_get_ptr(obj2));
}
static void py_cobject_talloc_free(void *ptr)
{
talloc_free(ptr);
}
PyObject *PyCObject_FromTallocPtr(void *ptr)
{
if (ptr == NULL) {
Py_RETURN_NONE;
}
return PyCObject_FromVoidPtr(ptr, py_cobject_talloc_free);
}
PyObject *PyString_FromString_check_null(const char *ptr)
{
if (ptr == NULL) {
Py_RETURN_NONE;
}
return PyString_FromString(ptr);
}
int PyTalloc_Check(PyObject *obj)
{
PyTypeObject *tp = Get_TallocType();
return PyObject_TypeCheck(obj, tp);
}
|
