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author | Jelmer Vernooij <jelmer@samba.org> | 2010-11-05 02:35:55 +0100 |
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committer | Jelmer Vernooij <jelmer@samba.org> | 2010-11-05 02:06:06 +0000 |
commit | 4edabb3256734dcef4ad0d7a910f1729cd5c956e (patch) | |
tree | 5b26735d841ff39e7cd21e241b4b65d2df2c83c1 /lib/talloc/pytalloc_util.c | |
parent | c9756cac057444ff7c3a77b9260fa30c35267529 (diff) | |
download | samba-4edabb3256734dcef4ad0d7a910f1729cd5c956e.tar.gz samba-4edabb3256734dcef4ad0d7a910f1729cd5c956e.tar.bz2 samba-4edabb3256734dcef4ad0d7a910f1729cd5c956e.zip |
talloc: rename pytalloc.c to pytalloc_util.c
Diffstat (limited to 'lib/talloc/pytalloc_util.c')
-rw-r--r-- | lib/talloc/pytalloc_util.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/lib/talloc/pytalloc_util.c b/lib/talloc/pytalloc_util.c new file mode 100644 index 0000000000..d5ef919bb2 --- /dev/null +++ b/lib/talloc/pytalloc_util.c @@ -0,0 +1,135 @@ +/* + 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> + +/** + * 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); +} |