github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/c-deps/libroach/defines.h (about)

     1  // Copyright 2018 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  #pragma once
    12  
    13  #if defined(COMPILER_GCC) || defined(__clang__)
    14  #define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
    15  #else
    16  #define WARN_UNUSED_RESULT
    17  #endif