Remove SK_SUPPORT_LEGACY_CONIC_COMPUTE_QUAD_POW2
[chromium-blink-merge.git] / base / guid.h
blobabcc589f72d92af9c5456321133c0e3de3f01de2
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.
5 #ifndef BASE_GUID_H_
6 #define BASE_GUID_H_
8 #include <string>
10 #include "base/base_export.h"
11 #include "base/basictypes.h"
12 #include "build/build_config.h"
14 namespace base {
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 pseudo random number generation to create
19 // the GUID. The Windows implementation uses system services.
20 BASE_EXPORT std::string GenerateGUID();
22 // Returns true if the input string conforms to the GUID format.
23 BASE_EXPORT bool IsValidGUID(const std::string& guid);
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
30 } // namespace base
32 #endif // BASE_GUID_H_