ceph/src/rocksdb/util/util.h

   1 // Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
   2 //  This source code is licensed under both the GPLv2 (found in the
   3 //  COPYING file in the root directory) and Apache 2.0 License
   4 //  (found in the LICENSE.Apache file in the root directory).
   5
   6 #pragma once
   7
   8 #ifndef FALLTHROUGH_INTENDED
   9 #if defined(__clang__)
  10 #define FALLTHROUGH_INTENDED [[clang::fallthrough]]
  11 #elif defined(__GNUC__) && __GNUC__ >= 7
  12 #define FALLTHROUGH_INTENDED [[gnu::fallthrough]]
  13 #else
  14 #define FALLTHROUGH_INTENDED do {} while (0)
  15 #endif
  16 #endif