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/**
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* @file attributes.h
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*
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* Macros for attributes on functions, variables, etc.
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*/
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#pragma once
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#ifdef __has_attribute
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#define DVL_HAVE_ATTRIBUTE(x) __has_attribute(x)
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#else
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#define DVL_HAVE_ATTRIBUTE(x) 0
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#endif
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#if DVL_HAVE_ATTRIBUTE(format) || (defined(__GNUC__) && !defined(__clang__))
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#define DVL_PRINTF_ATTRIBUTE(fmtargnum, firstarg) \
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__attribute__((__format__(__printf__, fmtargnum, firstarg)))
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#else
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#define DVL_PRINTF_ATTRIBUTE(fmtargnum, firstarg)
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#endif
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#if DVL_HAVE_ATTRIBUTE(always_inline)
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#define DVL_ALWAYS_INLINE inline __attribute__((always_inline))
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#elif defined(_MSC_VER)
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#define DVL_ALWAYS_INLINE __forceinline
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#else
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#define DVL_ALWAYS_INLINE inline
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#endif
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#if DVL_HAVE_ATTRIBUTE(hot)
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#define DVL_ATTRIBUTE_HOT __attribute__((hot))
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#else
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#define DVL_ATTRIBUTE_HOT
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#endif
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// Any global data used by tests must be marked with `DVL_API_FOR_TEST`.
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#if defined(_MSC_VER) && defined(BUILD_TESTING)
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#ifdef _DVL_EXPORTING
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#define DVL_API_FOR_TEST __declspec(dllexport)
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#else
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#define DVL_API_FOR_TEST __declspec(dllimport)
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#endif
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#else
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#define DVL_API_FOR_TEST
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#endif
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