xref: /aosp_15_r20/external/google-breakpad/src/common/macros.h (revision 9712c20fc9bbfbac4935993a2ca0b3958c5adad2)
1*9712c20fSFrederick Mayle // Copyright 2019 Google LLC
2*9712c20fSFrederick Mayle //
3*9712c20fSFrederick Mayle // Redistribution and use in source and binary forms, with or without
4*9712c20fSFrederick Mayle // modification, are permitted provided that the following conditions are
5*9712c20fSFrederick Mayle // met:
6*9712c20fSFrederick Mayle //
7*9712c20fSFrederick Mayle //     * Redistributions of source code must retain the above copyright
8*9712c20fSFrederick Mayle // notice, this list of conditions and the following disclaimer.
9*9712c20fSFrederick Mayle //     * Redistributions in binary form must reproduce the above
10*9712c20fSFrederick Mayle // copyright notice, this list of conditions and the following disclaimer
11*9712c20fSFrederick Mayle // in the documentation and/or other materials provided with the
12*9712c20fSFrederick Mayle // distribution.
13*9712c20fSFrederick Mayle //     * Neither the name of Google LLC nor the names of its
14*9712c20fSFrederick Mayle // contributors may be used to endorse or promote products derived from
15*9712c20fSFrederick Mayle // this software without specific prior written permission.
16*9712c20fSFrederick Mayle //
17*9712c20fSFrederick Mayle // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*9712c20fSFrederick Mayle // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19*9712c20fSFrederick Mayle // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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21*9712c20fSFrederick Mayle // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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27*9712c20fSFrederick Mayle // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*9712c20fSFrederick Mayle 
29*9712c20fSFrederick Mayle #ifndef BREAKPAD_COMMON_MACROS_H_
30*9712c20fSFrederick Mayle #define BREAKPAD_COMMON_MACROS_H_
31*9712c20fSFrederick Mayle 
32*9712c20fSFrederick Mayle // Ensure that this macro definition stays in a private header file: clang
33*9712c20fSFrederick Mayle // suggests the first macro expanding to [[clang::fallthrough]] in its
34*9712c20fSFrederick Mayle // diagnostics, so if BP_FALLTHROUGH is visible in code depending on breakpad,
35*9712c20fSFrederick Mayle // clang would suggest BP_FALLTHROUGH for code depending on breakpad, instead of
36*9712c20fSFrederick Mayle // the client code's own fallthrough macro.
37*9712c20fSFrederick Mayle // TODO(thakis): Once everyone uses C++17, use its [[fallthrough]] instead.
38*9712c20fSFrederick Mayle #if defined(__clang__)
39*9712c20fSFrederick Mayle #define BP_FALLTHROUGH [[clang::fallthrough]]
40*9712c20fSFrederick Mayle #else
41*9712c20fSFrederick Mayle #define BP_FALLTHROUGH
42*9712c20fSFrederick Mayle #endif
43*9712c20fSFrederick Mayle 
44*9712c20fSFrederick Mayle #endif // BREAKPAD_COMMON_MACROS_H_
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