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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "base/rand_util.h" | |
6 | |
7 #include <stdlib.h> | |
8 | |
9 #include "base/basictypes.h" | |
10 #include "base/logging.h" | |
11 | |
12 namespace { | |
13 | |
14 uint32 RandInt32() { | |
Mark Mentovai
2008/09/29 22:20:05
Changed this to RandUInt32 for congruity with Rand
| |
15 uint32 number; | |
16 CHECK(rand_s(&number) == 0); | |
17 return number; | |
18 } | |
19 | |
20 } // namespace | |
21 | |
22 namespace base { | |
23 | |
24 uint64 RandUInt64() { | |
25 uint32 first_half = RandInt32(); | |
26 uint32 second_half = RandInt32(); | |
27 return (static_cast<uint64>(first_half) << 32) + second_half; | |
28 } | |
29 | |
30 } // namespace base | |
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