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4f74716f6d
MachOImageSegmentReader. TEST=util_test MachOImageReader.* R=rsesek@chromium.org Review URL: https://codereview.chromium.org/535343004
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
// Copyright 2014 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_UTIL_MISC_UUID_H_
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#define CRASHPAD_UTIL_MISC_UUID_H_
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#include <stdint.h>
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#include <string>
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namespace crashpad {
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//! \brief A universally unique identifier (%UUID).
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//!
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//! An alternate term for %UUID is “globally unique identifier” (GUID), used
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//! primarily by Microsoft.
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//!
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//! A %UUID is a unique 128-bit number specified by RFC 4122.
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//!
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//! This is a standard-layout structure.
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struct UUID {
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//! \brief Initializes the %UUID to zero.
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UUID();
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//! \copydoc InitializeFromBytes()
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explicit UUID(const uint8_t* bytes);
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bool operator==(const UUID& that) const;
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bool operator!=(const UUID& that) const { return !operator==(that); }
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//! \brief Initializes the %UUID from a sequence of bytes.
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//!
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//! \a bytes is taken as a %UUID laid out in big-endian format in memory. On
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//! little-endian machines, appropriate byte-swapping will be performed to
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//! initialize an object’s data members.
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//!
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//! \param[in] bytes A buffer of exactly 16 bytes that will be assigned to the
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//! %UUID.
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void InitializeFromBytes(const uint8_t* bytes);
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//! \brief Formats the %UUID per RFC 4122 §3.
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//!
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//! \return A string of the form `"00112233-4455-6677-8899-aabbccddeeff"`.
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std::string ToString() const;
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// These fields are laid out according to RFC 4122 §4.1.2.
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uint32_t data_1;
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uint16_t data_2;
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uint16_t data_3;
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uint8_t data_4[2];
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uint8_t data_5[6];
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_MISC_UUID_H_
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