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