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comparison: ipc/chromium/src/base/rand_util_win.cc
ipc/chromium/src/base/rand_util_win.cc
- changeset 0
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| -1:000000000000 | 0:0627464e2dec |
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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_t RandUint32() { | |
| 15 uint32_t number; | |
| 16 CHECK(rand_s(&number) == 0); | |
| 17 return number; | |
| 18 } | |
| 19 | |
| 20 } // namespace | |
| 21 | |
| 22 namespace base { | |
| 23 | |
| 24 uint64_t RandUint64() { | |
| 25 uint32_t first_half = RandUint32(); | |
| 26 uint32_t second_half = RandUint32(); | |
| 27 return (static_cast<uint64_t>(first_half) << 32) + second_half; | |
| 28 } | |
| 29 | |
| 30 } // namespace base |
