// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef BUTIL_GUID_H_ #define BUTIL_GUID_H_ #include <string> #include "butil/base_export.h" #include "butil/basictypes.h" #include "butil/build_config.h" namespace butil { // Generate a 128-bit random GUID of the form: "%08X-%04X-%04X-%04X-%012llX". // If GUID generation fails an empty string is returned. // The POSIX implementation uses psuedo random number generation to create // the GUID. The Windows implementation uses system services. BUTIL_EXPORT std::string GenerateGUID(); // Returns true if the input string conforms to the GUID format. BUTIL_EXPORT bool IsValidGUID(const std::string& guid); #if defined(OS_POSIX) // For unit testing purposes only. Do not use outside of tests. BUTIL_EXPORT std::string RandomDataToGUIDString(const uint64_t bytes[2]); #endif } // namespace butil #endif // BUTIL_GUID_H_