diff options
| -rw-r--r-- | Lib/test/test_winreg.py | 12 | ||||
| -rw-r--r-- | Misc/NEWS | 3 | ||||
| -rw-r--r-- | PC/winreg.c | 2 |
3 files changed, 16 insertions, 1 deletions
diff --git a/Lib/test/test_winreg.py b/Lib/test/test_winreg.py index 1f0f957..c154134 100644 --- a/Lib/test/test_winreg.py +++ b/Lib/test/test_winreg.py @@ -323,6 +323,18 @@ class LocalWinregTests(BaseWinregTests): finally: DeleteKey(HKEY_CURRENT_USER, test_key_name) + def test_setvalueex_value_range(self): + # Test for Issue #14420, accept proper ranges for SetValueEx. + # Py2Reg, which gets called by SetValueEx, was using PyLong_AsLong, + # thus raising OverflowError. The implementation now uses + # PyLong_AsUnsignedLong to match DWORD's size. + try: + with CreateKey(HKEY_CURRENT_USER, test_key_name) as ck: + self.assertNotEqual(ck.handle, 0) + SetValueEx(ck, "test_name", None, REG_DWORD, 0x80000000) + finally: + DeleteKey(HKEY_CURRENT_USER, test_key_name) + @unittest.skipUnless(REMOTE_NAME, "Skipping remote registry tests") class RemoteWinregTests(BaseWinregTests): @@ -10,6 +10,9 @@ What's New in Python 3.4.0 Alpha 1? Core and Builtins ----------------- +- Issue #14420: Support the full DWORD (unsigned long) range in Py2Reg + when passed a REG_DWORD value. Fixes OverflowError in winreg.SetValueEx. + - Issue #11939: Set the st_dev attribute of stat_result to allow Windows to take advantage of the os.path.samefile/sameopenfile/samestat implementations used by other platforms. diff --git a/PC/winreg.c b/PC/winreg.c index d3d6b83..08f6b5e 100644 --- a/PC/winreg.c +++ b/PC/winreg.c @@ -785,7 +785,7 @@ Py2Reg(PyObject *value, DWORD typ, BYTE **retDataBuf, DWORD *retDataSize) memcpy(*retDataBuf, &zero, sizeof(DWORD)); } else { - DWORD d = PyLong_AsLong(value); + DWORD d = PyLong_AsUnsignedLong(value); memcpy(*retDataBuf, &d, sizeof(DWORD)); } break; |