| /* |
| * Copyright (C) 2017 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| /* BCOMPILER() - the compiler being used to build the project */ |
| #define BCOMPILER(BFEATURE) (defined BCOMPILER_##BFEATURE && BCOMPILER_##BFEATURE) |
| |
| /* BCOMPILER_HAS_CLANG_FEATURE() - whether the compiler supports a particular language or library feature. */ |
| /* http://clang.llvm.org/docs/LanguageExtensions.html#has-feature-and-has-extension */ |
| #ifdef __has_feature |
| #define BCOMPILER_HAS_CLANG_FEATURE(x) __has_feature(x) |
| #else |
| #define BCOMPILER_HAS_CLANG_FEATURE(x) 0 |
| #endif |
| |
| #define BASAN_ENABLED BCOMPILER_HAS_CLANG_FEATURE(address_sanitizer) |
| |
| /* BCOMPILER(GCC_COMPATIBLE) - GNU Compiler Collection or compatibles */ |
| |
| #if defined(__GNUC__) |
| #define BCOMPILER_GCC_COMPATIBLE 1 |
| #endif |
| |
| /* BNO_RETURN */ |
| |
| #if !defined(BNO_RETURN) && BCOMPILER(GCC_COMPATIBLE) |
| #define BNO_RETURN __attribute((__noreturn__)) |
| #endif |
| |
| #if !defined(BNO_RETURN) |
| #define BNO_RETURN |
| #endif |
| |
| /* BFALLTHROUGH */ |
| |
| #if !defined(BFALLTHROUGH) && defined(__cplusplus) && defined(__has_cpp_attribute) |
| |
| #if __has_cpp_attribute(fallthrough) |
| #define BFALLTHROUGH [[fallthrough]] |
| #elif __has_cpp_attribute(clang::fallthrough) |
| #define BFALLTHROUGH [[clang::fallthrough]] |
| #elif __has_cpp_attribute(gnu::fallthrough) |
| #define BFALLTHROUGH [[gnu::fallthrough]] |
| #endif |
| |
| #endif // !defined(BFALLTHROUGH) && defined(__cplusplus) && defined(__has_cpp_attribute) |
| |
| #if !defined(BFALLTHROUGH) |
| #define BFALLTHROUGH |
| #endif |
