crashpad/util/misc/uuid.h
Mark Mentovai 4f74716f6d Add MachOImageReader and its test, which also tests
MachOImageSegmentReader.

TEST=util_test MachOImageReader.*
R=rsesek@chromium.org

Review URL: https://codereview.chromium.org/535343004
2014-09-04 11:45:40 -04:00

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// 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>
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();
//! \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 objects 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 Formats the %UUID per RFC 4122 §3.
//!
//! \return A string of the form `"00112233-4455-6677-8899-aabbccddeeff"`.
std::string ToString() const;
// 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_