1// Copyright (c) 2011 Google Inc.
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8// * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14// * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30#ifndef COMMON_BASICTYPES_H_
31#define COMMON_BASICTYPES_H_
32
33// A macro to disallow the copy constructor and operator= functions
34// This should be used in the private: declarations for a class
35#ifndef DISALLOW_COPY_AND_ASSIGN
36#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
37 TypeName(const TypeName&); \
38 void operator=(const TypeName&)
39#endif // DISALLOW_COPY_AND_ASSIGN
40
41namespace google_breakpad {
42
43// Used to explicitly mark the return value of a function as unused. If you are
44// really sure you don't want to do anything with the return value of a function
45// that has been marked with __attribute__((warn_unused_result)), wrap it with
46// this. Example:
47//
48// scoped_ptr<MyType> my_var = ...;
49// if (TakeOwnership(my_var.get()) == SUCCESS)
50// ignore_result(my_var.release());
51//
52template<typename T>
53inline void ignore_result(const T&) {
54}
55
56} // namespace google_breakpad
57
58#endif // COMMON_BASICTYPES_H_
59