talloc: Sync to talloc 2.0.8 from upstream

Signed-off-by: Amitay Isaacs <amitay@gmail.com>

(This used to be ctdb commit 3bffca8c17e441364525df115ee2ac16b5969e24)

1 files changed, 118 insertions, 0 deletions

diff --git a/ctdb/lib/talloc/pytalloc_util.c b/ctdb/lib/talloc/pytalloc_util.c
new file mode 100644
index 0000000000..89a093b1ce
--- /dev/null
+++ b/ctdb/lib/talloc/pytalloc_util.c
@@ -0,0 +1,118 @@
+/* 
+   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>
+
+_PUBLIC_ PyTypeObject *pytalloc_GetObjectType(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;
+}
+
+/**
+ * Import an existing talloc pointer into a Python object.
+ */
+_PUBLIC_ PyObject *pytalloc_steal_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx,
+						   void *ptr)
+{
+	pytalloc_Object *ret = (pytalloc_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.
+ */
+_PUBLIC_ PyObject *pytalloc_steal(PyTypeObject *py_type, void *ptr)
+{
+	return pytalloc_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
+ */
+_PUBLIC_ PyObject *pytalloc_reference_ex(PyTypeObject *py_type, TALLOC_CTX *mem_ctx, void *ptr)
+{
+	pytalloc_Object *ret;
+
+	if (ptr == NULL) {
+		Py_RETURN_NONE;
+	}
+
+	ret = (pytalloc_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;
+}
+
+static void py_cobject_talloc_free(void *ptr)
+{
+	talloc_free(ptr);
+}
+
+_PUBLIC_ PyObject *pytalloc_CObject_FromTallocPtr(void *ptr)
+{
+	if (ptr == NULL) {
+		Py_RETURN_NONE;
+	}
+	return PyCObject_FromVoidPtr(ptr, py_cobject_talloc_free);
+}
+
+_PUBLIC_ int pytalloc_Check(PyObject *obj)
+{
+	PyTypeObject *tp = pytalloc_GetObjectType();
+
+	return PyObject_TypeCheck(obj, tp);
+}