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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/guid.h" | 5 #include "chrome/common/guid.h" |
6 | 6 |
7 #include "base/rand_util.h" | 7 #include "base/rand_util.h" |
8 #include "base/stringprintf.h" | 8 #include "base/stringprintf.h" |
9 | 9 |
10 namespace guid { | 10 namespace guid { |
11 | 11 |
12 std::string GenerateGUID() { | 12 std::string GenerateGUID() { |
13 uint64 sixteen_bytes[2] = { base::RandUint64(), base::RandUint64() }; | 13 uint64 sixteen_bytes[2] = { base::RandUint64(), base::RandUint64() }; |
14 return RandomDataToGUIDString(sixteen_bytes); | 14 return RandomDataToGUIDString(sixteen_bytes); |
15 } | 15 } |
16 | 16 |
17 // TODO(cmasone): Once we're comfortable this works, migrate Windows code to | 17 // TODO(cmasone): Once we're comfortable this works, migrate Windows code to |
18 // use this as well. | 18 // use this as well. |
19 std::string RandomDataToGUIDString(const uint64 bytes[2]) { | 19 std::string RandomDataToGUIDString(const uint64 bytes[2]) { |
20 return StringPrintf("%08X-%04X-%04X-%04X-%012llX", | 20 return StringPrintf("%08X-%04X-%04X-%04X-%012llX", |
21 static_cast<unsigned int>(bytes[0] >> 32), | 21 static_cast<unsigned int>(bytes[0] >> 32), |
22 static_cast<unsigned int>((bytes[0] >> 16) & 0x0000ffff), | 22 static_cast<unsigned int>((bytes[0] >> 16) & 0x0000ffff), |
23 static_cast<unsigned int>(bytes[0] & 0x0000ffff), | 23 static_cast<unsigned int>(bytes[0] & 0x0000ffff), |
24 static_cast<unsigned int>(bytes[1] >> 48), | 24 static_cast<unsigned int>(bytes[1] >> 48), |
25 bytes[1] & 0x0000ffffffffffffULL); | 25 bytes[1] & 0x0000ffffffffffffULL); |
26 } | 26 } |
27 | 27 |
28 } // namespace guid | 28 } // namespace guid |
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