third_party/talloc/pytalloc.h

   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 _PY_TALLOC_H_
  21 #define _PY_TALLOC_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;
  30 } py_talloc_Object;
  31
  32 /* Deallocate a py_talloc_Object */
  33 void py_talloc_dealloc(PyObject* self);
  34
  35 /* Retrieve the pointer for a py_talloc_object. Like talloc_get_type()
  36  * but for py_talloc_Objects. */
  37
  38 /* FIXME: Call PyErr_SetString(PyExc_TypeError, "expected " __STR(type) ")
  39  * when talloc_get_type() returns NULL. */
  40 #define py_talloc_get_type(py_obj, type) (talloc_get_type(py_talloc_get_ptr(py_obj), type))
  41
  42 #define py_talloc_get_ptr(py_obj) (((py_talloc_Object *)py_obj)->ptr)
  43 #define py_talloc_get_mem_ctx(py_obj)  ((py_talloc_Object *)py_obj)->talloc_ctx
  44
  45 PyObject *py_talloc_steal_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx, void *ptr);
  46 PyObject *py_talloc_reference_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx, void *ptr);
  47 #define py_talloc_steal(py_type, talloc_ptr) py_talloc_steal_ex(py_type, talloc_ptr, talloc_ptr)
  48 #define py_talloc_reference(py_type, talloc_ptr) py_talloc_reference_ex(py_type, talloc_ptr, talloc_ptr)
  49
  50 /* Sane default implementation of reprfunc. */
  51 PyObject *py_talloc_default_repr(PyObject *py_obj);
  52
  53 #define py_talloc_new(type, typeobj) py_talloc_steal(typeobj, talloc_zero(NULL, type))
  54
  55 PyObject *PyCObject_FromTallocPtr(void *);
  56
  57 #endif /* _PY_TALLOC_H_ */