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On Windows, silence a Purify warning and initialize the memory passed to CryptGenRandom.

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Since python doesn't provide any particular random data, it seems more reasonable anyway.
This commit is contained in:
Amaury Forgeot d'Arc 2008-07-21 21:06:46 +00:00
parent be44991baa
commit 74bd40d85c
1 changed files with 1 additions and 0 deletions
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Modules/posixmodule.c
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@ -8250,6 +8250,7 @@ win32_urandom(PyObject *self, PyObject *args)
result = PyString_FromStringAndSize(NULL, howMany); result = PyString_FromStringAndSize(NULL, howMany);
if (result != NULL) { if (result != NULL) {
/* Get random data */ /* Get random data */
memset(PyString_AS_STRING(result), 0, howMany); /* zero seed */
if (! pCryptGenRandom(hCryptProv, howMany, (unsigned char*) if (! pCryptGenRandom(hCryptProv, howMany, (unsigned char*)
PyString_AS_STRING(result))) { PyString_AS_STRING(result))) {
Py_DECREF(result); Py_DECREF(result);