Author: Armin Rigo <[email protected]>
Branch:
Changeset: r57374:d3f714e26354
Date: 2012-09-18 16:01 +0200
http://bitbucket.org/pypy/pypy/changeset/d3f714e26354/
Log: Test and fix. That took far too long to find :-(((
diff --git a/lib_pypy/_ctypes/pointer.py b/lib_pypy/_ctypes/pointer.py
--- a/lib_pypy/_ctypes/pointer.py
+++ b/lib_pypy/_ctypes/pointer.py
@@ -81,7 +81,9 @@
addr = self._buffer[0]
if addr == 0:
raise ValueError("NULL pointer access")
- return self._type_.from_address(addr)
+ instance = self._type_.from_address(addr)
+ instance.__dict__['_base'] = self
+ return instance
def setcontents(self, value):
if not isinstance(value, self._type_):
diff --git a/pypy/module/test_lib_pypy/ctypes_tests/test_structures.py
b/pypy/module/test_lib_pypy/ctypes_tests/test_structures.py
--- a/pypy/module/test_lib_pypy/ctypes_tests/test_structures.py
+++ b/pypy/module/test_lib_pypy/ctypes_tests/test_structures.py
@@ -433,6 +433,14 @@
obj = X()
assert isinstance(obj.items, Array)
+ def test_b_base(self):
+ # _b_base_ used to be None here in PyPy
+ class X(Structure):
+ _fields_ = [('x', c_int)]
+ obj = X()
+ p = pointer(obj)
+ assert p.contents._b_base_ is p
+
class TestPointerMember(BaseCTypesTestChecker):
def test_1(self):
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