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74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
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/*-
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* SSLsplit - transparent SSL/TLS interception
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* https://www.roe.ch/SSLsplit
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*
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* Copyright (c) 2009-2019, Daniel Roethlisberger <daniel@roe.ch>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ATTRIB_H
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#define ATTRIB_H
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/*
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* GCC attributes and built-ins for improved compile-time error checking
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* and performance optimization.
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*
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* All of these are fully optional and are automatically disabled on non-GCC
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* and non-LLVM/clang compilers.
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*/
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/*
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* Attributes.
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* These serve to improve the compiler warnings or optimizations.
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*/
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#if !defined(__GNUC__) && !defined(__clang__)
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#define __attribute__(x)
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#endif
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#define UNUSED __attribute__((unused))
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#define NORET __attribute__((noreturn))
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#define PRINTF(f,a) __attribute__((format(printf,(f),(a))))
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#define SCANF(f,a) __attribute__((format(scanf,(f),(a))))
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#define WUNRES __attribute__((warn_unused_result))
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#define MALLOC __attribute__((malloc)) WUNRES
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#define NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
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#define PURE __attribute__((pure))
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/*
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* Branch prediction macros.
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* These serve to tell the compiler which of the branches is more likely.
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*/
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#if !defined(__GNUC__) && !defined(__clang__)
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#define likely(expr) (expr)
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#define unlikely(expr) (expr)
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#else
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#define likely(expr) __builtin_expect((expr), 1)
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#define unlikely(expr) __builtin_expect((expr), 0)
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#endif
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#endif /* !ATTRIB_H */
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/* vim: set noet ft=c: */
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