39 lines
983 B
C
39 lines
983 B
C
#ifndef WEPOLL_UTIL_H_
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#define WEPOLL_UTIL_H_
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#include <assert.h>
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#include <stddef.h>
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#include "internal.h"
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#ifndef _SSIZE_T_DEFINED
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#define _SSIZE_T_DEFINED
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typedef intptr_t ssize_t;
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#endif
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#define array_count(a) (sizeof(a) / (sizeof((a)[0])))
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#define container_of(ptr, type, member) \
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((type*) ((char*) (ptr) -offsetof(type, member)))
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#define unused_var(v) ((void) (v))
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#if defined(__clang__) || defined(__GNUC__)
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#define unused_fn __attribute__((__unused__))
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#else
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#define unused_fn /* nothing */
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#endif
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/* Polyfill `inline` for older versions of msvc (up to Visual Studio 2013) */
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#if defined(_MSC_VER) && _MSC_VER < 1900
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#define inline __inline
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#endif
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/* Polyfill `static_assert` for some versions of clang and gcc. */
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#if (defined(__clang__) || defined(__GNUC__)) && !defined(static_assert)
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#define static_assert(condition, message) typedef __attribute__( \
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(__unused__)) int __static_assert_##__LINE__[(condition) ? 1 : -1];
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#endif
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#endif /* WEPOLL_UTIL_H_ */
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