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