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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/guid.h" | 5 #include "base/guid.h" |
| 6 | 6 |
| 7 #include <stdlib.h> | 7 #include <stdlib.h> |
| 8 | 8 |
| 9 #include <objbase.h> | 9 #include <objbase.h> |
| 10 #include <windows.h> | 10 #include <windows.h> |
| 11 | 11 |
| 12 #include "base/basictypes.h" | |
| 13 #include "base/logging.h" | 12 #include "base/logging.h" |
| 14 #include "base/strings/string_util.h" | 13 #include "base/strings/string_util.h" |
| 15 #include "base/strings/utf_string_conversions.h" | 14 #include "base/strings/utf_string_conversions.h" |
| 16 | 15 |
| 17 namespace base { | 16 namespace base { |
| 18 | 17 |
| 19 std::string GenerateGUID() { | 18 std::string GenerateGUID() { |
| 20 const int kGUIDSize = 39; | 19 const int kGUIDSize = 39; |
| 21 | 20 |
| 22 GUID guid; | 21 GUID guid; |
| 23 HRESULT guid_result = CoCreateGuid(&guid); | 22 HRESULT guid_result = CoCreateGuid(&guid); |
| 24 DCHECK(SUCCEEDED(guid_result)); | 23 DCHECK(SUCCEEDED(guid_result)); |
| 25 if (!SUCCEEDED(guid_result)) | 24 if (!SUCCEEDED(guid_result)) |
| 26 return std::string(); | 25 return std::string(); |
| 27 | 26 |
| 28 std::wstring guid_string; | 27 std::wstring guid_string; |
| 29 int result = StringFromGUID2(guid, | 28 int result = StringFromGUID2(guid, |
| 30 WriteInto(&guid_string, kGUIDSize), kGUIDSize); | 29 WriteInto(&guid_string, kGUIDSize), kGUIDSize); |
| 31 DCHECK(result == kGUIDSize); | 30 DCHECK(result == kGUIDSize); |
| 32 if (result != kGUIDSize) | 31 if (result != kGUIDSize) |
| 33 return std::string(); | 32 return std::string(); |
| 34 | 33 |
| 35 return WideToUTF8(guid_string.substr(1, guid_string.length() - 2)); | 34 return WideToUTF8(guid_string.substr(1, guid_string.length() - 2)); |
| 36 } | 35 } |
| 37 | 36 |
| 38 } // namespace base | 37 } // namespace base |
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