From: Amaury Forgeot d'Arc <amauryfa@gmail.com>
Date: Mon, 21 Jul 2008 21:13:14 +0000 (+0000)
Subject: Merged revisions 65174 via svnmerge from
X-Git-Tag: v3.0b3~250
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a05ada3128f5cbe00ef5c51e6317cc984b102c40;p=python

Merged revisions 65174 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r65174 | amaury.forgeotdarc | 2008-07-21 23:06:46 +0200 (lun., 21 juil. 2008) | 3 lines

  On Windows, silence a Purify warning and initialize the memory passed to CryptGenRandom.
  Since python doesn't provide any particular random data, it seems more reasonable anyway.
........
---

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index a6a19c10a4..bc17b6b049 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -6690,6 +6690,7 @@ win32_urandom(PyObject *self, PyObject *args)
 	result = PyBytes_FromStringAndSize(NULL, howMany);
 	if (result != NULL) {
 		/* Get random data */
+		memset(PyBytes_AS_STRING(result), 0, howMany); /* zero seed */
 		if (! pCryptGenRandom(hCryptProv, howMany, (unsigned char*)
 				      PyBytes_AS_STRING(result))) {
 			Py_DECREF(result);