2 Unix SMB/CIFS implementation.
4 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2010-2011
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.
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.
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/>.
23 #include "pytalloc_private.h"
25 static PyTypeObject TallocObject_Type;
27 /* print a talloc tree report for a talloc python object */
28 static PyObject *pytalloc_report_full(PyObject *self, PyObject *args)
30 PyObject *py_obj = Py_None;
32 if (!PyArg_ParseTuple(args, "|O", &py_obj))
35 if (py_obj == Py_None) {
36 talloc_report_full(NULL, stdout);
38 talloc_report_full(pytalloc_get_mem_ctx(py_obj), stdout);
43 /* enable null tracking */
44 static PyObject *pytalloc_enable_null_tracking(PyObject *self,
45 PyObject *Py_UNUSED(ignored))
47 talloc_enable_null_tracking();
51 /* return the number of talloc blocks */
52 static PyObject *pytalloc_total_blocks(PyObject *self, PyObject *args)
54 PyObject *py_obj = Py_None;
56 if (!PyArg_ParseTuple(args, "|O", &py_obj))
59 if (py_obj == Py_None) {
60 return PyLong_FromLong(talloc_total_blocks(NULL));
63 return PyLong_FromLong(talloc_total_blocks(pytalloc_get_mem_ctx(py_obj)));
66 static PyMethodDef talloc_methods[] = {
67 { "report_full", (PyCFunction)pytalloc_report_full, METH_VARARGS,
68 "show a talloc tree for an object"},
69 { "enable_null_tracking", (PyCFunction)pytalloc_enable_null_tracking, METH_NOARGS,
70 "enable tracking of the NULL object"},
71 { "total_blocks", (PyCFunction)pytalloc_total_blocks, METH_VARARGS,
72 "return talloc block count"},
77 * Default (but only slightly more useful than the default) implementation of Repr().
79 static PyObject *pytalloc_default_repr(PyObject *obj)
81 pytalloc_Object *talloc_obj = (pytalloc_Object *)obj;
82 PyTypeObject *type = (PyTypeObject*)PyObject_Type(obj);
84 return PyUnicode_FromFormat("<%s talloc object at %p>",
85 type->tp_name, talloc_obj->ptr);
89 * Simple dealloc for talloc-wrapping PyObjects
91 static void pytalloc_dealloc(PyObject* self)
93 pytalloc_Object *obj = (pytalloc_Object *)self;
94 assert(talloc_unlink(NULL, obj->talloc_ctx) != -1);
95 obj->talloc_ctx = NULL;
96 self->ob_type->tp_free(self);
100 * Default (but only slightly more useful than the default) implementation of cmp.
102 #if PY_MAJOR_VERSION >= 3
103 static PyObject *pytalloc_default_richcmp(PyObject *obj1, PyObject *obj2, int op)
107 if (Py_TYPE(obj1) == Py_TYPE(obj2)) {
108 /* When types match, compare pointers */
109 ptr1 = pytalloc_get_ptr(obj1);
110 ptr2 = pytalloc_get_ptr(obj2);
111 } else if (PyObject_TypeCheck(obj2, &TallocObject_Type)) {
112 /* Otherwise, compare types */
113 ptr1 = Py_TYPE(obj1);
114 ptr2 = Py_TYPE(obj2);
116 Py_INCREF(Py_NotImplemented);
117 return Py_NotImplemented;
120 case Py_EQ: return PyBool_FromLong(ptr1 == ptr2);
121 case Py_NE: return PyBool_FromLong(ptr1 != ptr2);
122 case Py_LT: return PyBool_FromLong(ptr1 < ptr2);
123 case Py_GT: return PyBool_FromLong(ptr1 > ptr2);
124 case Py_LE: return PyBool_FromLong(ptr1 <= ptr2);
125 case Py_GE: return PyBool_FromLong(ptr1 >= ptr2);
127 Py_INCREF(Py_NotImplemented);
128 return Py_NotImplemented;
131 static int pytalloc_default_cmp(PyObject *_obj1, PyObject *_obj2)
133 pytalloc_Object *obj1 = (pytalloc_Object *)_obj1,
134 *obj2 = (pytalloc_Object *)_obj2;
135 if (obj1->ob_type != obj2->ob_type)
136 return ((char *)obj1->ob_type - (char *)obj2->ob_type);
138 return ((char *)pytalloc_get_ptr(obj1) - (char *)pytalloc_get_ptr(obj2));
142 static PyTypeObject TallocObject_Type = {
143 .tp_name = "talloc.Object",
144 .tp_doc = "Python wrapper for a talloc-maintained object.",
145 .tp_basicsize = sizeof(pytalloc_Object),
146 .tp_dealloc = (destructor)pytalloc_dealloc,
147 .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
148 .tp_repr = pytalloc_default_repr,
149 #if PY_MAJOR_VERSION >= 3
150 .tp_richcompare = pytalloc_default_richcmp,
152 .tp_compare = pytalloc_default_cmp,
157 * Default (but only slightly more useful than the default) implementation of Repr().
159 static PyObject *pytalloc_base_default_repr(PyObject *obj)
161 pytalloc_BaseObject *talloc_obj = (pytalloc_BaseObject *)obj;
162 PyTypeObject *type = (PyTypeObject*)PyObject_Type(obj);
164 return PyUnicode_FromFormat("<%s talloc based object at %p>",
165 type->tp_name, talloc_obj->ptr);
169 * Simple dealloc for talloc-wrapping PyObjects
171 static void pytalloc_base_dealloc(PyObject* self)
173 pytalloc_BaseObject *obj = (pytalloc_BaseObject *)self;
174 assert(talloc_unlink(NULL, obj->talloc_ctx) != -1);
175 obj->talloc_ctx = NULL;
176 self->ob_type->tp_free(self);
180 * Default (but only slightly more useful than the default) implementation of cmp.
182 #if PY_MAJOR_VERSION >= 3
183 static PyObject *pytalloc_base_default_richcmp(PyObject *obj1, PyObject *obj2, int op)
187 if (Py_TYPE(obj1) == Py_TYPE(obj2)) {
188 /* When types match, compare pointers */
189 ptr1 = pytalloc_get_ptr(obj1);
190 ptr2 = pytalloc_get_ptr(obj2);
191 } else if (PyObject_TypeCheck(obj2, &TallocObject_Type)) {
192 /* Otherwise, compare types */
193 ptr1 = Py_TYPE(obj1);
194 ptr2 = Py_TYPE(obj2);
196 Py_INCREF(Py_NotImplemented);
197 return Py_NotImplemented;
200 case Py_EQ: return PyBool_FromLong(ptr1 == ptr2);
201 case Py_NE: return PyBool_FromLong(ptr1 != ptr2);
202 case Py_LT: return PyBool_FromLong(ptr1 < ptr2);
203 case Py_GT: return PyBool_FromLong(ptr1 > ptr2);
204 case Py_LE: return PyBool_FromLong(ptr1 <= ptr2);
205 case Py_GE: return PyBool_FromLong(ptr1 >= ptr2);
207 Py_INCREF(Py_NotImplemented);
208 return Py_NotImplemented;
211 static int pytalloc_base_default_cmp(PyObject *_obj1, PyObject *_obj2)
213 pytalloc_BaseObject *obj1 = (pytalloc_BaseObject *)_obj1,
214 *obj2 = (pytalloc_BaseObject *)_obj2;
215 if (obj1->ob_type != obj2->ob_type)
216 return ((char *)obj1->ob_type - (char *)obj2->ob_type);
218 return ((char *)pytalloc_get_ptr(obj1) - (char *)pytalloc_get_ptr(obj2));
222 static PyTypeObject TallocBaseObject_Type = {
223 .tp_name = "talloc.BaseObject",
224 .tp_doc = "Python wrapper for a talloc-maintained object.",
225 .tp_basicsize = sizeof(pytalloc_BaseObject),
226 .tp_dealloc = (destructor)pytalloc_base_dealloc,
227 .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
228 .tp_repr = pytalloc_base_default_repr,
229 #if PY_MAJOR_VERSION >= 3
230 .tp_richcompare = pytalloc_base_default_richcmp,
232 .tp_compare = pytalloc_base_default_cmp,
236 static PyTypeObject TallocGenericObject_Type = {
237 .tp_name = "talloc.GenericObject",
238 .tp_doc = "Python wrapper for a talloc-maintained object.",
239 .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
240 .tp_base = &TallocBaseObject_Type,
241 .tp_basicsize = sizeof(pytalloc_BaseObject),
244 #define MODULE_DOC PyDoc_STR("Python wrapping of talloc-maintained objects.")
246 #if PY_MAJOR_VERSION >= 3
247 static struct PyModuleDef moduledef = {
248 PyModuleDef_HEAD_INIT,
252 .m_methods = talloc_methods,
256 static PyObject *module_init(void);
257 static PyObject *module_init(void)
261 if (PyType_Ready(&TallocObject_Type) < 0)
264 if (PyType_Ready(&TallocBaseObject_Type) < 0)
267 if (PyType_Ready(&TallocGenericObject_Type) < 0)
270 #if PY_MAJOR_VERSION >= 3
271 m = PyModule_Create(&moduledef);
273 m = Py_InitModule3("talloc", talloc_methods, MODULE_DOC);
278 Py_INCREF(&TallocObject_Type);
279 if (PyModule_AddObject(m, "Object", (PyObject *)&TallocObject_Type)) {
282 Py_INCREF(&TallocBaseObject_Type);
283 if (PyModule_AddObject(m, "BaseObject", (PyObject *)&TallocBaseObject_Type)) {
286 Py_INCREF(&TallocGenericObject_Type);
287 if (PyModule_AddObject(m, "GenericObject", (PyObject *)&TallocGenericObject_Type)) {
297 #if PY_MAJOR_VERSION >= 3
298 PyMODINIT_FUNC PyInit_talloc(void);
299 PyMODINIT_FUNC PyInit_talloc(void)
301 return module_init();
304 void inittalloc(void);
305 void inittalloc(void)