58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine License
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// Agreement.
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#ifndef WVCDM_UTIL_UTIL_COMMON_H_
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#define WVCDM_UTIL_UTIL_COMMON_H_
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// This section deals with defines that are platform-specific.
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#ifdef _WIN32
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# ifdef CORE_UTIL_IMPLEMENTATION
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# define CORE_UTIL_EXPORT __declspec(dllexport)
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# else
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# define CORE_UTIL_EXPORT __declspec(dllimport)
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# endif
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# define CORE_UTIL_IGNORE_DEPRECATED
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# define CORE_UTIL_RESTORE_WARNINGS
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#else
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# ifdef CORE_UTIL_IMPLEMENTATION
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# define CORE_UTIL_EXPORT __attribute__((visibility("default")))
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# else
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# define CORE_UTIL_EXPORT
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# endif
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# ifdef __GNUC__
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# define CORE_UTIL_IGNORE_DEPRECATED \
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_Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
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# define CORE_UTIL_RESTORE_WARNINGS _Pragma("GCC diagnostic pop")
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# else
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# define CORE_UTIL_IGNORE_DEPRECATED
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# define CORE_UTIL_RESTORE_WARNINGS
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# endif
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#endif
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// This section deals with attribute-detection and is platform-agnostic.
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#if !defined(__has_cpp_attribute)
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# define __has_cpp_attribute(x) 0
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#endif
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#if __has_cpp_attribute(fallthrough)
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# define CORE_UTIL_FALLTHROUGH [[fallthrough]]
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#elif __has_cpp_attribute(clang::fallthrough)
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# define CORE_UTIL_FALLTHROUGH [[clang::fallthrough]]
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#elif __has_cpp_attribute(gnu::fallthrough)
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# define CORE_UTIL_FALLTHROUGH [[gnu::fallthrough]]
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#else
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# define CORE_UTIL_FALLTHROUGH
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#endif
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#endif // WVCDM_UTIL_UTIL_COMMON_H_
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