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
41 namespace 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 //
52 template<typename T>
ignore_result(const T &)53 inline void ignore_result(const T&) {
54 }
55
56 } // namespace google_breakpad
57
58 #endif // COMMON_BASICTYPES_H_
59