commit 12706f20825f78afa8305c1cbeb47900a790c21a
author Brian Curtin <brian@python.org> Thu Dec 27 10:12:45 2012 -0600
committer Brian Curtin <brian@python.org> Thu Dec 27 10:12:45 2012 -0600
tree 5dc796bba028f94b3072eb279602abdf54dc47b0
parent e26568f81244e3fb62ab07fd0a3405a99ee87895

Fix #14420. Use PyLong_AsUnsignedLong to support the full range of DWORD.

This fixes an OverflowError seen in winreg.SetValueEx when passed
winreg.REG_DWORD values that should be supported by the underlying API.

PC/winreg.c

diff --git a/PC/winreg.c b/PC/winreg.c
index 454ea53..523ad17 100644
--- a/PC/winreg.c
+++ b/PC/winreg.c
@@ -785,7 +785,7 @@
                 memcpy(*retDataBuf, &zero, sizeof(DWORD));
             }
             else {
-                DWORD d = PyLong_AsLong(value);
+                DWORD d = PyLong_AsUnsignedLong(value);
                 memcpy(*retDataBuf, &d, sizeof(DWORD));
             }
             break;