28 lines
731 B
C
28 lines
731 B
C
#ifndef BLUELIB_MISB_H_
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#define BLUELIB_MISB_H_
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#ifndef _Nonnull
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#define _Nonnull
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#endif
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#define b_unbox(type, box, member) \
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((type *_Nonnull)((box) ? (uintptr_t)(box) - (offsetof(type, member)) : 0))
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#define z__b_merge_(a, b) a##b
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#define z__b_label_(a) z__b_merge_(__unique_name_, a)
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#define z__b_unique_name() z__b_label_(__LINE__)
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#define z__b_numargs(arg_type, ...) \
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(sizeof((arg_type[]) {__VA_ARGS__}) / sizeof(arg_type))
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#ifdef _MSC_VER
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#ifdef BLUELIB_EXPORT
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#define BLUE_API extern __declspec(dllexport)
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#else
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#define BLUE_API extern __declspec(dllimport)
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#endif
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#else
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#define BLUE_API extern
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#endif
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#endif // B_MISB_H_
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