diff options
Diffstat (limited to 'base/guid_posix.cc')
-rw-r--r-- | base/guid_posix.cc | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/base/guid_posix.cc b/base/guid_posix.cc new file mode 100644 index 0000000..89811d0 --- /dev/null +++ b/base/guid_posix.cc @@ -0,0 +1,28 @@ +// 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. + +#include "base/guid.h" + +#include "base/rand_util.h" +#include "base/stringprintf.h" + +namespace base { + +std::string GenerateGUID() { + uint64 sixteen_bytes[2] = { base::RandUint64(), base::RandUint64() }; + return RandomDataToGUIDString(sixteen_bytes); +} + +// TODO(cmasone): Once we're comfortable this works, migrate Windows code to +// use this as well. +std::string RandomDataToGUIDString(const uint64 bytes[2]) { + return StringPrintf("%08X-%04X-%04X-%04X-%012llX", + static_cast<unsigned int>(bytes[0] >> 32), + static_cast<unsigned int>((bytes[0] >> 16) & 0x0000ffff), + static_cast<unsigned int>(bytes[0] & 0x0000ffff), + static_cast<unsigned int>(bytes[1] >> 48), + bytes[1] & 0x0000ffffffffffffULL); +} + +} // namespace guid |