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