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Unified Diff: base/rand_util_win.cc

Issue 4079: Porting refactoring changes:... (Closed) Base URL: http://src.chromium.org/svn/trunk/src/
Patch Set: '' Created 12 years, 3 months ago
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Index: base/rand_util_win.cc
===================================================================
--- base/rand_util_win.cc (revision 0)
+++ base/rand_util_win.cc (revision 0)
@@ -0,0 +1,30 @@
+// Copyright (c) 2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/rand_util.h"
+
+#include <stdlib.h>
+
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+namespace {
+
+uint32 RandInt32() {
Mark Mentovai 2008/09/29 22:20:05 Changed this to RandUInt32 for congruity with Rand
+ uint32 number;
+ CHECK(rand_s(&number) == 0);
+ return number;
+}
+
+} // namespace
+
+namespace base {
+
+uint64 RandUInt64() {
+ uint32 first_half = RandInt32();
+ uint32 second_half = RandInt32();
+ return (static_cast<uint64>(first_half) << 32) + second_half;
+}
+
+} // namespace base

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