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
14namespace 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.
20BASE_EXPORT std::string GenerateGUID();
21
22// Returns true if the input string conforms to the GUID format.
23BASE_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.
27BASE_EXPORT std::string RandomDataToGUIDString(const uint64 bytes[2]);
28#endif
29
30}  // namespace base
31
32#endif  // BASE_GUID_H_
33