560 lines
14 KiB
C++
560 lines
14 KiB
C++
/*
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Copyright (c) 2005-2016, Arvid Norberg
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All rights reserved.
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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
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 OWNER 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 TORRENT_CONFIG_HPP_INCLUDED
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#define TORRENT_CONFIG_HPP_INCLUDED
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#include "libtorrent/aux_/disable_warnings_push.hpp"
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#define _FILE_OFFSET_BITS 64
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#include <boost/config.hpp>
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#include <boost/asio/detail/config.hpp>
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#include <boost/version.hpp>
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#include "libtorrent/aux_/disable_warnings_pop.hpp"
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#include "libtorrent/export.hpp"
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#ifdef __linux__
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#include <linux/version.h> // for LINUX_VERSION_CODE and KERNEL_VERSION
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#endif // __linux
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#if defined TORRENT_DEBUG_BUFFERS && !defined TORRENT_DISABLE_POOL_ALLOCATOR
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#error TORRENT_DEBUG_BUFFERS only works if you also disable pool allocators with TORRENT_DISABLE_POOL_ALLOCATOR
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#endif
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#if !defined BOOST_ASIO_SEPARATE_COMPILATION && !defined BOOST_ASIO_DYN_LINK
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#define BOOST_ASIO_SEPARATE_COMPILATION
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#endif
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#if defined __MINGW64__ || defined __MINGW32__
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// GCC warns on format codes that are incompatible with glibc, which the windows
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// format codes are. So we need to disable those for mingw targets
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#pragma GCC diagnostic ignored "-Wformat"
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#pragma GCC diagnostic ignored "-Wformat-extra-args"
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#endif
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// ======= GCC =========
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#if defined __GNUC__
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#ifdef _GLIBCXX_CONCEPT_CHECKS
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#define TORRENT_COMPLETE_TYPES_REQUIRED 1
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#endif
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// deprecation markup is only enabled when libtorrent
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// headers are included by clients, not while building
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// libtorrent itself
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# if __GNUC__ >= 3 && !defined TORRENT_BUILDING_LIBRARY
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# define TORRENT_DEPRECATED __attribute__ ((deprecated))
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# endif
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// ======= SUNPRO =========
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#elif defined __SUNPRO_CC
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#define TORRENT_COMPLETE_TYPES_REQUIRED 1
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// ======= MSVC =========
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#elif defined BOOST_MSVC
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// class X needs to have dll-interface to be used by clients of class Y
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#pragma warning(disable:4251)
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// deprecation markup is only enabled when libtorrent
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// headers are included by clients, not while building
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// libtorrent itself
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#if !defined TORRENT_BUILDING_LIBRARY
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# define TORRENT_DEPRECATED __declspec(deprecated)
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#endif
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#endif
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// ======= PLATFORMS =========
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// set up defines for target environments
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// ==== AMIGA ===
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#if defined __AMIGA__ || defined __amigaos__ || defined __AROS__
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#define TORRENT_AMIGA
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#define TORRENT_USE_IPV6 0
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#define TORRENT_USE_IOSTREAM 0
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// set this to 1 to disable all floating point operations
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// (disables some float-dependent APIs)
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#define TORRENT_NO_FPU 1
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#define TORRENT_USE_I2P 0
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#ifndef TORRENT_USE_ICONV
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#define TORRENT_USE_ICONV 0
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#endif
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// ==== Darwin/BSD ===
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#elif (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __NetBSD__ \
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|| defined __OpenBSD__ || defined __bsdi__ || defined __DragonFly__ \
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|| defined __FreeBSD_kernel__
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#define TORRENT_BSD
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// we don't need iconv on mac, because
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// the locale is always utf-8
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#if defined __APPLE__
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# ifndef TORRENT_USE_ICONV
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# define TORRENT_USE_ICONV 0
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# define TORRENT_USE_LOCALE 0
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# endif
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#include <AvailabilityMacros.h>
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
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// on OSX, use the built-in common crypto for built-in
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# if !defined TORRENT_USE_LIBCRYPTO && !defined TORRENT_USE_LIBGCRYPT
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# define TORRENT_USE_COMMONCRYPTO 1
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# endif // TORRENT_USE_OPENSSL
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#endif // MAC_OS_X_VERSION_MIN_REQUIRED
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// execinfo.h is available in the MacOS X 10.5 SDK.
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
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#define TORRENT_USE_EXECINFO 1
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#endif
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#else // __APPLE__
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// FreeBSD has a reasonable iconv signature
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// unless we're on glibc
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#ifndef __GLIBC__
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# define TORRENT_ICONV_ARG (const char**)
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#endif
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#endif // __APPLE__
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#define TORRENT_HAVE_MMAP 1
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#define TORRENT_HAS_FALLOCATE 0
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#define TORRENT_USE_IFADDRS 1
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#define TORRENT_USE_SYSCTL 1
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#define TORRENT_USE_IFCONF 1
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// ==== LINUX ===
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#elif defined __linux__
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#define TORRENT_LINUX
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30) && !defined __ANDROID__
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# define TORRENT_USE_PREADV 1
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# define TORRENT_USE_PREAD 0
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#else
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# define TORRENT_USE_PREADV 0
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# define TORRENT_USE_PREAD 1
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#endif
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#define TORRENT_HAVE_MMAP 1
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#define TORRENT_USE_NETLINK 1
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#define TORRENT_USE_IFCONF 1
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#define TORRENT_HAS_SALEN 0
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#define TORRENT_USE_FDATASYNC 1
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// ===== ANDROID ===== (almost linux, sort of)
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#if defined __ANDROID__
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#define TORRENT_ANDROID 1
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#define TORRENT_HAS_FALLOCATE 0
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#define TORRENT_USE_ICONV 0
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#define TORRENT_USE_IFADDRS 0
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#define TORRENT_USE_MEMALIGN 1
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#else // ANDROID
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#define TORRENT_ANDROID 0
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#define TORRENT_USE_IFADDRS 1
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#define TORRENT_USE_POSIX_MEMALIGN 1
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// posix_fallocate() is available under this condition
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#if _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L
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#define TORRENT_HAS_FALLOCATE 1
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#else
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#define TORRENT_HAS_FALLOCATE 0
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#endif
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#endif // ANDROID
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#if defined __GLIBC__ && ( defined __x86_64__ || defined __i386 \
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|| defined _M_X64 || defined _M_IX86 )
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#define TORRENT_USE_EXECINFO 1
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#endif
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// ==== MINGW ===
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#elif defined __MINGW32__ || defined __MINGW64__
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#define TORRENT_MINGW
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#define TORRENT_WINDOWS
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#ifndef TORRENT_USE_ICONV
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# define TORRENT_USE_ICONV 0
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# define TORRENT_USE_LOCALE 1
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#endif
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#define TORRENT_USE_RLIMIT 0
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#define TORRENT_USE_NETLINK 0
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#define TORRENT_USE_GETADAPTERSADDRESSES 1
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#define TORRENT_HAS_SALEN 0
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#define TORRENT_USE_GETIPFORWARDTABLE 1
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#ifndef TORRENT_USE_UNC_PATHS
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# define TORRENT_USE_UNC_PATHS 1
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#endif
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// these are emulated on windows
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#define TORRENT_USE_PREADV 1
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#define TORRENT_USE_PWRITEV 1
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// ==== WINDOWS ===
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#elif defined _WIN32
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#define TORRENT_WINDOWS
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#ifndef TORRENT_USE_GETIPFORWARDTABLE
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# define TORRENT_USE_GETIPFORWARDTABLE 1
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#endif
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# if !defined TORRENT_USE_LIBCRYPTO && !defined TORRENT_USE_LIBGCRYPT
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// unless some other crypto library has been specified, default to the native
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// windows CryptoAPI
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#define TORRENT_USE_CRYPTOAPI 1
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#endif
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#define TORRENT_USE_GETADAPTERSADDRESSES 1
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#define TORRENT_HAS_SALEN 0
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// windows has its own functions to convert
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#ifndef TORRENT_USE_ICONV
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# define TORRENT_USE_ICONV 0
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# define TORRENT_USE_LOCALE 1
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#endif
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#define TORRENT_USE_RLIMIT 0
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#define TORRENT_HAS_FALLOCATE 0
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#ifndef TORRENT_USE_UNC_PATHS
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# define TORRENT_USE_UNC_PATHS 1
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#endif
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// these are emulated on windows
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#define TORRENT_USE_PREADV 1
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#define TORRENT_USE_PWRITEV 1
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// ==== WINRT ===
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#if defined(WINAPI_FAMILY_PARTITION)
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# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) \
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&& !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
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# define TORRENT_WINRT
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# define TORRENT_USE_CRYPTOGRAPHIC_BUFFER 1
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# endif
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#endif
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// ==== SOLARIS ===
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#elif defined sun || defined __sun
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#define TORRENT_SOLARIS
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#define TORRENT_USE_IFCONF 1
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#define TORRENT_HAS_SALEN 0
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#define TORRENT_HAS_SEM_RELTIMEDWAIT 1
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#define TORRENT_HAVE_MMAP 1
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// ==== BEOS ===
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#elif defined __BEOS__ || defined __HAIKU__
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#define TORRENT_BEOS
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#include <storage/StorageDefs.h> // B_PATH_NAME_LENGTH
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#define TORRENT_HAS_FALLOCATE 0
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#ifndef TORRENT_USE_ICONV
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#define TORRENT_USE_ICONV 0
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#endif
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// ==== GNU/Hurd ===
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#elif defined __GNU__
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#define TORRENT_HURD
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#define TORRENT_USE_IFADDRS 1
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#define TORRENT_USE_IFCONF 1
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// ==== eCS(OS/2) ===
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#elif defined __OS2__
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#define TORRENT_OS2
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#define TORRENT_HAS_FALLOCATE 0
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#define TORRENT_USE_IFCONF 1
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#define TORRENT_USE_SYSCTL 1
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#define TORRENT_USE_IPV6 0
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#define TORRENT_ICONV_ARG (const char**)
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#define TORRENT_USE_WRITEV 0
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#define TORRENT_USE_READV 0
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#else
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#ifdef _MSC_VER
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#pragma message ( "unknown OS, assuming BSD" )
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#else
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#warning "unknown OS, assuming BSD"
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#endif
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#define TORRENT_BSD
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#endif
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#define TORRENT_UNUSED(x) (void)(x)
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// at the highest warning level, clang actually warns about functions
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// that could be marked noreturn.
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#if defined __clang__ || defined __GNUC__
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#define TORRENT_NO_RETURN __attribute((noreturn))
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#else
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#define TORRENT_NO_RETURN
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#endif
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#ifndef TORRENT_ICONV_ARG
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#define TORRENT_ICONV_ARG (char**)
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#endif
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#if defined __GNUC__ || defined __clang__
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#define TORRENT_FORMAT(fmt, ellipsis) __attribute__((__format__(__printf__, fmt, ellipsis)))
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#else
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#define TORRENT_FORMAT(fmt, ellipsis)
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#endif
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// libiconv presence detection is not implemented yet
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#ifndef TORRENT_USE_ICONV
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#define TORRENT_USE_ICONV 1
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#endif
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#ifndef TORRENT_HAS_SALEN
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#define TORRENT_HAS_SALEN 1
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#endif
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#ifndef TORRENT_USE_GETADAPTERSADDRESSES
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#define TORRENT_USE_GETADAPTERSADDRESSES 0
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#endif
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#ifndef TORRENT_USE_NETLINK
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#define TORRENT_USE_NETLINK 0
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#endif
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#ifndef TORRENT_USE_EXECINFO
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#define TORRENT_USE_EXECINFO 0
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#endif
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#ifndef TORRENT_USE_SYSCTL
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#define TORRENT_USE_SYSCTL 0
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#endif
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#ifndef TORRENT_USE_GETIPFORWARDTABLE
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#define TORRENT_USE_GETIPFORWARDTABLE 0
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#endif
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#ifndef TORRENT_HAS_SEM_RELTIMEDWAIT
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#define TORRENT_HAS_SEM_RELTIMEDWAIT 0
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#endif
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#ifndef TORRENT_USE_MEMALIGN
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#define TORRENT_USE_MEMALIGN 0
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#endif
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#ifndef TORRENT_USE_POSIX_MEMALIGN
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#define TORRENT_USE_POSIX_MEMALIGN 0
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#endif
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#ifndef TORRENT_USE_LOCALE
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#define TORRENT_USE_LOCALE 0
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#endif
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#ifndef TORRENT_USE_WSTRING
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#if !defined BOOST_NO_STD_WSTRING
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#define TORRENT_USE_WSTRING 1
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#else
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#define TORRENT_USE_WSTRING 0
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#endif // BOOST_NO_STD_WSTRING
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#endif // TORRENT_USE_WSTRING
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#ifndef TORRENT_HAS_FALLOCATE
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#define TORRENT_HAS_FALLOCATE 1
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#endif
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#ifndef TORRENT_DEPRECATED
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#define TORRENT_DEPRECATED
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#endif
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#ifndef TORRENT_USE_COMMONCRYPTO
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#define TORRENT_USE_COMMONCRYPTO 0
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#endif
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#ifndef TORRENT_USE_CRYPTOAPI
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#define TORRENT_USE_CRYPTOAPI 0
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#endif
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#ifndef TORRENT_HAVE_MMAP
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#define TORRENT_HAVE_MMAP 0
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#endif
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#ifndef TORRENT_COMPLETE_TYPES_REQUIRED
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#define TORRENT_COMPLETE_TYPES_REQUIRED 0
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#endif
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#ifndef TORRENT_USE_FDATASYNC
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#define TORRENT_USE_FDATASYNC 0
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#endif
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#ifndef TORRENT_USE_UNC_PATHS
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#define TORRENT_USE_UNC_PATHS 0
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#endif
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#ifndef TORRENT_USE_RLIMIT
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#define TORRENT_USE_RLIMIT 1
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#endif
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#ifndef TORRENT_USE_IFADDRS
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#define TORRENT_USE_IFADDRS 0
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#endif
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#ifndef TORRENT_USE_IPV6
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#define TORRENT_USE_IPV6 1
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#endif
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// if preadv() exists, we assume pwritev() does as well
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#ifndef TORRENT_USE_PREADV
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#define TORRENT_USE_PREADV 0
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#endif
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// if pread() exists, we assume pwrite() does as well
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#ifndef TORRENT_USE_PREAD
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#define TORRENT_USE_PREAD 1
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#endif
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#ifndef TORRENT_NO_FPU
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#define TORRENT_NO_FPU 0
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#endif
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#ifndef TORRENT_USE_IOSTREAM
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#ifndef BOOST_NO_IOSTREAM
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#define TORRENT_USE_IOSTREAM 1
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#else
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#define TORRENT_USE_IOSTREAM 0
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#endif
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#endif
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#ifndef TORRENT_USE_I2P
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#define TORRENT_USE_I2P 1
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#endif
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#if !defined(TORRENT_READ_HANDLER_MAX_SIZE)
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# ifdef _GLIBCXX_DEBUG
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# define TORRENT_READ_HANDLER_MAX_SIZE 400
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# else
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// if this is not divisible by 8, we're wasting space
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# define TORRENT_READ_HANDLER_MAX_SIZE 336
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# endif
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#endif
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#if !defined(TORRENT_WRITE_HANDLER_MAX_SIZE)
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# ifdef _GLIBCXX_DEBUG
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# define TORRENT_WRITE_HANDLER_MAX_SIZE 400
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# else
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// if this is not divisible by 8, we're wasting space
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# define TORRENT_WRITE_HANDLER_MAX_SIZE 336
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# endif
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#endif
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#if defined __GNUC__
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#define TORRENT_FUNCTION __PRETTY_FUNCTION__
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#else
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#define TORRENT_FUNCTION __FUNCTION__
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#endif
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// debug builds have asserts enabled by default, release
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// builds have asserts if they are explicitly enabled by
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// the release_asserts macro.
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#ifndef TORRENT_USE_ASSERTS
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#define TORRENT_USE_ASSERTS 0
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#endif // TORRENT_USE_ASSERTS
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#ifndef TORRENT_USE_INVARIANT_CHECKS
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#define TORRENT_USE_INVARIANT_CHECKS 0
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#endif
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// for non-exception builds
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#ifdef BOOST_NO_EXCEPTIONS
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#define TORRENT_TRY if (true)
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#define TORRENT_CATCH(x) else if (false)
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#define TORRENT_CATCH_ALL else if (false)
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#define TORRENT_DECLARE_DUMMY(x, y) x y
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#else
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#define TORRENT_TRY try
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#define TORRENT_CATCH(x) catch(x)
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#define TORRENT_CATCH_ALL catch(...)
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#define TORRENT_DECLARE_DUMMY(x, y)
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#endif // BOOST_NO_EXCEPTIONS
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// SSE is x86 / amd64 specific. On top of that, we only
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// know how to access it on msvc and gcc (and gcc compatibles).
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// GCC requires the user to enable SSE support in order for
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// the program to have access to the intrinsics, this is
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// indicated by the __SSE4_1__ macro
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#ifndef TORRENT_HAS_SSE
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#if (defined _M_AMD64 || defined _M_IX86 || defined _M_X64 \
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|| defined __amd64__ || defined __i386 || defined __i386__ \
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|| defined __x86_64__ || defined __x86_64) \
|
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&& (defined __GNUC__ || (defined _MSC_VER && _MSC_VER >= 1600))
|
|
#define TORRENT_HAS_SSE 1
|
|
#else
|
|
#define TORRENT_HAS_SSE 0
|
|
#endif
|
|
|
|
#endif // TORRENT_HAS_SSE
|
|
|
|
#if (defined __arm__ || defined __aarch64__)
|
|
#define TORRENT_HAS_ARM 1
|
|
#else
|
|
#define TORRENT_HAS_ARM 0
|
|
#endif // TORRENT_HAS_ARM
|
|
|
|
#ifndef __has_builtin
|
|
#define __has_builtin(x) 0 // for non-clang compilers
|
|
#endif
|
|
|
|
#if (TORRENT_HAS_SSE && __GNUC__)
|
|
# define TORRENT_HAS_BUILTIN_CLZ 1
|
|
#elif (TORRENT_HAS_ARM && defined __GNUC__ && !defined __clang__)
|
|
# define TORRENT_HAS_BUILTIN_CLZ 1
|
|
#elif (defined __clang__ && __has_builtin(__builtin_clz))
|
|
# define TORRENT_HAS_BUILTIN_CLZ 1
|
|
#else
|
|
# define TORRENT_HAS_BUILTIN_CLZ 0
|
|
#endif // TORRENT_HAS_BUILTIN_CLZ
|
|
|
|
#if TORRENT_HAS_ARM && defined __ARM_NEON
|
|
# define TORRENT_HAS_ARM_NEON 1
|
|
#else
|
|
# define TORRENT_HAS_ARM_NEON 0
|
|
#endif // TORRENT_HAS_ARM_NEON
|
|
|
|
#if TORRENT_HAS_ARM && defined __ARM_FEATURE_CRC32
|
|
# define TORRENT_HAS_ARM_CRC32 1
|
|
#else
|
|
#if defined TORRENT_FORCE_ARM_CRC32
|
|
# define TORRENT_HAS_ARM_CRC32 1
|
|
#else
|
|
# define TORRENT_HAS_ARM_CRC32 0
|
|
#endif
|
|
#endif // TORRENT_HAS_ARM_CRC32
|
|
|
|
#endif // TORRENT_CONFIG_HPP_INCLUDED
|