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Side by Side Diff: third_party/crashpad/crashpad/util/misc/uuid.h

Issue 2555353002: Update Crashpad to 32981a3ee9d7c2769fb27afa038fe2e194cfa329 (Closed)
Patch Set: fix readme Created 4 years ago
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1 // Copyright 2014 The Crashpad Authors. All rights reserved. 1 // Copyright 2014 The Crashpad Authors. All rights reserved.
2 // 2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); 3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License. 4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at 5 // You may obtain a copy of the License at
6 // 6 //
7 // http://www.apache.org/licenses/LICENSE-2.0 7 // http://www.apache.org/licenses/LICENSE-2.0
8 // 8 //
9 // Unless required by applicable law or agreed to in writing, software 9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, 10 // distributed under the License is distributed on an "AS IS" BASIS,
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29 29
30 namespace crashpad { 30 namespace crashpad {
31 31
32 //! \brief A universally unique identifier (%UUID). 32 //! \brief A universally unique identifier (%UUID).
33 //! 33 //!
34 //! An alternate term for %UUID is “globally unique identifier” (GUID), used 34 //! An alternate term for %UUID is “globally unique identifier” (GUID), used
35 //! primarily by Microsoft. 35 //! primarily by Microsoft.
36 //! 36 //!
37 //! A %UUID is a unique 128-bit number specified by RFC 4122. 37 //! A %UUID is a unique 128-bit number specified by RFC 4122.
38 //! 38 //!
39 //! This is a standard-layout structure. 39 //! This is a POD structure.
40 struct UUID { 40 struct UUID {
41 //! \brief Initializes the %UUID to zero.
42 UUID();
43
44 //! \brief Tag to pass to constructor to indicate it should initialize with
45 //! generated data.
46 struct InitializeWithNewTag {};
47
48 //! \brief Initializes the %UUID using a standard system facility to generate
49 //! the value.
50 //!
51 //! CHECKs on failure with a message logged.
52 explicit UUID(InitializeWithNewTag);
53
54 //! \copydoc InitializeFromBytes()
55 explicit UUID(const uint8_t* bytes);
56
57 bool operator==(const UUID& that) const; 41 bool operator==(const UUID& that) const;
58 bool operator!=(const UUID& that) const { return !operator==(that); } 42 bool operator!=(const UUID& that) const { return !operator==(that); }
59 43
44 //! \brief Initializes the %UUID to zero.
45 void InitializeToZero();
46
60 //! \brief Initializes the %UUID from a sequence of bytes. 47 //! \brief Initializes the %UUID from a sequence of bytes.
61 //! 48 //!
62 //! \a bytes is taken as a %UUID laid out in big-endian format in memory. On 49 //! \a bytes is taken as a %UUID laid out in big-endian format in memory. On
63 //! little-endian machines, appropriate byte-swapping will be performed to 50 //! little-endian machines, appropriate byte-swapping will be performed to
64 //! initialize an object’s data members. 51 //! initialize an object’s data members.
65 //! 52 //!
66 //! \param[in] bytes A buffer of exactly 16 bytes that will be assigned to the 53 //! \param[in] bytes A buffer of exactly 16 bytes that will be assigned to the
67 //! %UUID. 54 //! %UUID.
68 void InitializeFromBytes(const uint8_t* bytes); 55 void InitializeFromBytes(const uint8_t* bytes);
69 56
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105 uint32_t data_1; 92 uint32_t data_1;
106 uint16_t data_2; 93 uint16_t data_2;
107 uint16_t data_3; 94 uint16_t data_3;
108 uint8_t data_4[2]; 95 uint8_t data_4[2];
109 uint8_t data_5[6]; 96 uint8_t data_5[6];
110 }; 97 };
111 98
112 } // namespace crashpad 99 } // namespace crashpad
113 100
114 #endif // CRASHPAD_UTIL_MISC_UUID_H_ 101 #endif // CRASHPAD_UTIL_MISC_UUID_H_
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