122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/*
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* This file Copyright (C) 2017 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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*/
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#pragma once
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/***
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****
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***/
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#ifndef __has_feature
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#define __has_feature(x) 0
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#endif
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#ifndef __has_extension
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#define __has_extension __has_feature
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#endif
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#ifndef __has_attribute
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#define __has_attribute(x) 0
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#endif
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#ifndef __has_builtin
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#define __has_builtin(x) 0
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#endif
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#ifdef _WIN32
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#define TR_IF_WIN32(ThenValue, ElseValue) ThenValue
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#else
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#define TR_IF_WIN32(ThenValue, ElseValue) ElseValue
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#endif
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#ifdef __GNUC__
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#define TR_GNUC_CHECK_VERSION(major, minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
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#else
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#define TR_GNUC_CHECK_VERSION(major, minor) 0
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#endif
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#ifdef __UCLIBC__
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#define TR_UCLIBC_CHECK_VERSION(major, minor, micro) \
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(__UCLIBC_MAJOR__ > (major) || (__UCLIBC_MAJOR__ == (major) && __UCLIBC_MINOR__ > (minor)) || \
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(__UCLIBC_MAJOR__ == (major) && __UCLIBC_MINOR__ == (minor) && __UCLIBC_SUBLEVEL__ >= (micro)))
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#else
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#define TR_UCLIBC_CHECK_VERSION(major, minor, micro) 0
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#endif
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/***
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****
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***/
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#if __has_builtin(__builtin_expect) || TR_GNUC_CHECK_VERSION(3, 0)
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#define TR_LIKELY(x) __builtin_expect(!!(x), 1)
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#define TR_UNLIKELY(x) __builtin_expect(!!(x), 0)
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#else
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#define TR_LIKELY(x) (x)
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#define TR_UNLIKELY(x) (x)
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#endif
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/***
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****
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***/
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#if __has_attribute(__deprecated__) || TR_GNUC_CHECK_VERSION(3, 1)
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#define TR_DEPRECATED __attribute__((__deprecated__))
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#elif defined(_MSC_VER)
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#define TR_DEPRECATED __declspec(deprecated)
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#else
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#define TR_DEPRECATED
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#endif
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#if __has_attribute(__format__) || TR_GNUC_CHECK_VERSION(2, 3)
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#define TR_GNUC_PRINTF(fmt, args) __attribute__((__format__(printf, fmt, args)))
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#else
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#define TR_GNUC_PRINTF(fmt, args)
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#endif
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#if __has_attribute(__nonnull__) || TR_GNUC_CHECK_VERSION(3, 3)
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#define TR_GNUC_NONNULL(...) __attribute__((__nonnull__(__VA_ARGS__)))
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#else
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#define TR_GNUC_NONNULL(...)
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#endif
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#if __has_attribute(__sentinel__) || TR_GNUC_CHECK_VERSION(4, 3)
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#define TR_GNUC_NULL_TERMINATED __attribute__((__sentinel__))
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#else
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#define TR_GNUC_NULL_TERMINATED
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#endif
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#if __has_attribute(__hot__) || TR_GNUC_CHECK_VERSION(4, 3)
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#define TR_GNUC_HOT __attribute__((__hot__))
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#else
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#define TR_GNUC_HOT
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#endif
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#if __has_attribute(__malloc__) || TR_GNUC_CHECK_VERSION(2, 96)
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#define TR_GNUC_MALLOC __attribute__((__malloc__))
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#else
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#define TR_GNUC_MALLOC
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#endif
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/***
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****
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***/
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/* Only use this macro to suppress false-positive alignment warnings */
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#define TR_DISCARD_ALIGN(ptr, type) ((type)(void*)(ptr))
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#define SHA_DIGEST_LENGTH 20
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#define TR_INET6_ADDRSTRLEN 46
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#define TR_ADDRSTRLEN 64
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#define TR_BAD_SIZE ((size_t)-1)
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// Mostly to enforce better formatting
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#define TR_ARG_TUPLE(...) __VA_ARGS__
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