diff options
Diffstat (limited to 'plugins/Dbx_mdb/src/mdbx/defs.h')
| -rw-r--r-- | plugins/Dbx_mdb/src/mdbx/defs.h | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/plugins/Dbx_mdb/src/mdbx/defs.h b/plugins/Dbx_mdb/src/mdbx/defs.h index ed1a87e8a4..800553bb17 100644 --- a/plugins/Dbx_mdb/src/mdbx/defs.h +++ b/plugins/Dbx_mdb/src/mdbx/defs.h @@ -139,13 +139,50 @@ # endif #endif /* __deprecated */ -#ifndef __packed -# if defined(__GNUC__) || __has_attribute(packed) -# define __packed __attribute__((packed)) -# else -# define __packed -# endif -#endif /* __packed */ +#if !defined(__noop) && !defined(_MSC_VER) +# ifdef __cplusplus + static inline void __noop_consume_args() {} + template <typename First, typename... Rest> + static inline void + __noop_consume_args(const First &first, const Rest &... rest) { + (void) first; __noop_consume_args(rest...); + } +# define __noop(...) __noop_consume_args(__VA_ARGS__) +# elif defined(__GNUC__) && (!defined(__STRICT_ANSI__) || !__STRICT_ANSI__) + static __inline void __noop_consume_args(void* anchor, ...) { + (void) anchor; + } +# define __noop(...) __noop_consume_args(0, ##__VA_ARGS__) +# else +# define __noop(...) do {} while(0) +# endif +#endif /* __noop */ + +#ifndef __fallthrough +# if __GNUC_PREREQ(7, 0) || __has_attribute(fallthrough) +# define __fallthrough __attribute__((fallthrough)) +# else +# define __fallthrough __noop() +# endif +#endif /* __fallthrough */ + +#ifndef __unreachable +# if __GNUC_PREREQ(4,5) +# define __unreachable() __builtin_unreachable() +# elif defined(_MSC_VER) +# define __unreachable() __assume(0) +# else +# define __unreachable() __noop() +# endif +#endif /* __unreachable */ + +#ifndef __prefetch +# if defined(__GNUC__) || defined(__clang__) +# define __prefetch(ptr) __builtin_prefetch(ptr) +# else +# define __prefetch(ptr) __noop(ptr) +# endif +#endif /* __prefetch */ #ifndef __aligned # if defined(__GNUC__) || __has_attribute(aligned) @@ -283,13 +320,6 @@ # endif #endif /* unlikely */ -#if !defined(__noop) && !defined(_MSC_VER) - static __inline int __do_noop(void* crutch, ...) { - (void) crutch; return 0; - } -# define __noop(...) __do_noop(0, __VA_ARGS__) -#endif /* __noop */ - /* Wrapper around __func__, which is a C99 feature */ #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L # define mdbx_func_ __func__ |