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Unified Diff: third_party/crashpad/crashpad/util/misc/uuid.h

Issue 1505213004: Copy Crashpad into the Chrome tree instead of importing it via DEPS (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments, update README.chromium Created 5 years ago
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Index: third_party/crashpad/crashpad/util/misc/uuid.h
diff --git a/third_party/crashpad/crashpad/util/misc/uuid.h b/third_party/crashpad/crashpad/util/misc/uuid.h
new file mode 100644
index 0000000000000000000000000000000000000000..f25aa652f64a79adec50bca17e8e2ec6580a337d
--- /dev/null
+++ b/third_party/crashpad/crashpad/util/misc/uuid.h
@@ -0,0 +1,114 @@
+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef CRASHPAD_UTIL_MISC_UUID_H_
+#define CRASHPAD_UTIL_MISC_UUID_H_
+
+#include <stdint.h>
+
+#include <string>
+
+#include "base/strings/string16.h"
+#include "base/strings/string_piece.h"
+#include "build/build_config.h"
+
+#if defined(OS_WIN)
+#include <rpc.h>
+#endif
+
+namespace crashpad {
+
+//! \brief A universally unique identifier (%UUID).
+//!
+//! An alternate term for %UUID is “globally unique identifier” (GUID), used
+//! primarily by Microsoft.
+//!
+//! A %UUID is a unique 128-bit number specified by RFC 4122.
+//!
+//! This is a standard-layout structure.
+struct UUID {
+ //! \brief Initializes the %UUID to zero.
+ UUID();
+
+ //! \brief Tag to pass to constructor to indicate it should initialize with
+ //! generated data.
+ struct InitializeWithNewTag {};
+
+ //! \brief Initializes the %UUID using a standard system facility to generate
+ //! the value.
+ //!
+ //! CHECKs on failure with a message logged.
+ explicit UUID(InitializeWithNewTag);
+
+ //! \copydoc InitializeFromBytes()
+ explicit UUID(const uint8_t* bytes);
+
+ bool operator==(const UUID& that) const;
+ bool operator!=(const UUID& that) const { return !operator==(that); }
+
+ //! \brief Initializes the %UUID from a sequence of bytes.
+ //!
+ //! \a bytes is taken as a %UUID laid out in big-endian format in memory. On
+ //! little-endian machines, appropriate byte-swapping will be performed to
+ //! initialize an object’s data members.
+ //!
+ //! \param[in] bytes A buffer of exactly 16 bytes that will be assigned to the
+ //! %UUID.
+ void InitializeFromBytes(const uint8_t* bytes);
+
+ //! \brief Initializes the %UUID from a RFC 4122 §3 formatted string.
+ //!
+ //! \param[in] string A string of the form
+ //! `"00112233-4455-6677-8899-aabbccddeeff"`.
+ //!
+ //! \return `true` if the string was formatted correctly and the object has
+ //! been initialized with the data. `false` if the string could not be
+ //! parsed, with the object state untouched.
+ bool InitializeFromString(const base::StringPiece& string);
+
+ //! \brief Initializes the %UUID using a standard system facility to generate
+ //! the value.
+ //!
+ //! \return `true` if the %UUID was initialized correctly, `false` otherwise
+ //! with a message logged.
+ bool InitializeWithNew();
+
+#if defined(OS_WIN) || DOXYGEN
+ //! \brief Initializes the %UUID from a system `UUID` or `GUID` structure.
+ //!
+ //! \param[in] system_uuid A system `UUID` or `GUID` structure.
+ void InitializeFromSystemUUID(const ::UUID* system_uuid);
+#endif // OS_WIN
+
+ //! \brief Formats the %UUID per RFC 4122 §3.
+ //!
+ //! \return A string of the form `"00112233-4455-6677-8899-aabbccddeeff"`.
+ std::string ToString() const;
+
+#if defined(OS_WIN) || DOXYGEN
+ //! \brief The same as ToString, but returned as a string16.
+ base::string16 ToString16() const;
+#endif // OS_WIN
+
+ // These fields are laid out according to RFC 4122 §4.1.2.
+ uint32_t data_1;
+ uint16_t data_2;
+ uint16_t data_3;
+ uint8_t data_4[2];
+ uint8_t data_5[6];
+};
+
+} // namespace crashpad
+
+#endif // CRASHPAD_UTIL_MISC_UUID_H_

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