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 3 // found in the LICENSE file. 4 5 #ifndef BASE_GUID_H_ 6 #define BASE_GUID_H_ 7 8 #include <string> 9 10 #include "base/base_export.h" 11 #include "base/basictypes.h" 12 #include "build/build_config.h" 13 14 namespace base { 15 16 // Generate a 128-bit random GUID of the form: "%08X-%04X-%04X-%04X-%012llX". 17 // If GUID generation fails an empty string is returned. 18 // The POSIX implementation uses psuedo random number generation to create 19 // the GUID. The Windows implementation uses system services. 20 BASE_EXPORT std::string GenerateGUID(); 21 22 // Returns true if the input string conforms to the GUID format. 23 BASE_EXPORT bool IsValidGUID(const std::string& guid); 24 25 #if defined(OS_POSIX) 26 // For unit testing purposes only. Do not use outside of tests. 27 BASE_EXPORT std::string RandomDataToGUIDString(const uint64 bytes[2]); 28 #endif 29 30 } // namespace base 31 32 #endif // BASE_GUID_H_ 33