ipc/chromium/src/base/rand_util_win.cc

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 // Copyright (c) 2008 The Chromium Authors. All rights reserved.
michael@0 2 // Use of this source code is governed by a BSD-style license that can be
michael@0 3 // found in the LICENSE file.
michael@0 4
michael@0 5 #include "base/rand_util.h"
michael@0 6
michael@0 7 #include <stdlib.h>
michael@0 8
michael@0 9 #include "base/basictypes.h"
michael@0 10 #include "base/logging.h"
michael@0 11
michael@0 12 namespace {
michael@0 13
michael@0 14 uint32_t RandUint32() {
michael@0 15 uint32_t number;
michael@0 16 CHECK(rand_s(&number) == 0);
michael@0 17 return number;
michael@0 18 }
michael@0 19
michael@0 20 } // namespace
michael@0 21
michael@0 22 namespace base {
michael@0 23
michael@0 24 uint64_t RandUint64() {
michael@0 25 uint32_t first_half = RandUint32();
michael@0 26 uint32_t second_half = RandUint32();
michael@0 27 return (static_cast<uint64_t>(first_half) << 32) + second_half;
michael@0 28 }
michael@0 29
michael@0 30 } // namespace base

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