forked from premiere/premiere-libtorrent
703 lines
17 KiB
C++
703 lines
17 KiB
C++
/*
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Copyright (c) 2005-2014, 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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#define _FILE_OFFSET_BITS 64
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#if !defined _MSC_VER || _MSC_VER >= 1600
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS 1
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#endif
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#ifndef __STDC_CONSTANT_MACROS
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#define __STDC_CONSTANT_MACROS 1
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#endif
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#endif
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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 <boost/detail/endian.hpp>
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#include <stdio.h> // for snprintf
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#include <limits.h> // for IOV_MAX
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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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#ifndef _MSC_VER
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#ifndef __STDC_FORMAT_MACROS
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#define __STDC_FORMAT_MACROS 1
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#endif
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#include <inttypes.h> // for PRId64 et.al.
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#endif
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#ifndef PRId64
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// MinGW uses microsofts runtime
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#if defined _MSC_VER || defined __MINGW32__
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#define PRId64 "I64d"
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#define PRIu64 "I64u"
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#define PRIx64 "I64x"
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#define PRIu32 "u"
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#else
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#define PRId64 "lld"
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#define PRIu64 "llu"
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#define PRIx64 "llx"
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#define PRIu32 "u"
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#endif
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#endif
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// ======= GCC =========
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#if defined __GNUC__
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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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// SunPRO seems to have an overly-strict
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// definition of POD types and doesn't
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// seem to allow boost::array in unions
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#define TORRENT_BROKEN_UNIONS 1
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// ======= MSVC =========
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#elif defined BOOST_MSVC
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#pragma warning(disable: 4258)
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#pragma warning(disable: 4251)
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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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// '_vsnprintf': This function or variable may be unsafe
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#pragma warning(disable:4996)
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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_MLOCK 0
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#define TORRENT_USE_IPV6 0
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#define TORRENT_USE_BOOST_THREAD 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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# define TORRENT_USE_OSATOMIC 1
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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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#define TORRENT_USE_PURGABLE_CONTROL 1
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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_OPENSSL && !defined TORRENT_USE_GCRYPT
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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)
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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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// ===== ANDROID ===== (almost linux, sort of)
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#if defined __ANDROID__
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#define TORRENT_ANDROID
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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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#define TORRENT_HAVE_FDATASYNC 0
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#else // ANDROID
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#define TORRENT_USE_IFADDRS 1
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#define TORRENT_USE_POSIX_MEMALIGN 1
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#define TORRENT_HAVE_FDATASYNC 1
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#endif // ANDROID
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#if __amd64__ || __i386__
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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__
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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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#define TORRENT_USE_INTERLOCKED_ATOMIC 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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#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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#define TORRENT_USE_INTERLOCKED_ATOMIC 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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// ==== SOLARIS ===
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#elif defined sun || defined __sun
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#define TORRENT_SOLARIS
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#define TORRENT_COMPLETE_TYPES_REQUIRED 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_HAS_SEM_RELTIMEDWAIT 1
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#define TORRENT_HAVE_MMAP 1
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#define TORRENT_USE_SOLARIS_ATOMIC 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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#define TORRENT_USE_MLOCK 0
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#define TORRENT_USE_BEOS_ATOMIC 1
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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_MLOCK 0
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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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#if defined __GNUC__ && !(defined TORRENT_USE_OSATOMIC \
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|| defined TORRENT_USE_INTERLOCKED_ATOMIC \
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|| defined TORRENT_USE_BEOS_ATOMIC \
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|| defined TORRENT_USE_SOLARIS_ATOMIC)
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// atomic operations in GCC were introduced in 4.1.1
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# if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 1 && __GNUC_PATCHLEVEL__ >= 1) || __GNUC__ > 4
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# define TORRENT_USE_GCC_ATOMIC 1
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# endif
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#endif
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// on windows, NAME_MAX refers to Unicode characters
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// on linux it refers to bytes (utf-8 encoded)
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// TODO: Make this count Unicode characters instead of bytes on windows
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// windows
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#if defined FILENAME_MAX
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#define TORRENT_MAX_PATH FILENAME_MAX
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// beos
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#elif defined B_PATH_NAME_LENGTH
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#define TORRENT_MAX_PATH B_PATH_NAME_LENGTH
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// solaris
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#elif defined MAXPATH
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#define TORRENT_MAX_PATH MAXPATH
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// posix
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#elif defined NAME_MAX
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#define TORRENT_MAX_PATH NAME_MAX
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// none of the above
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#else
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// this is the maximum number of characters in a
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// path element / filename on windows
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#define TORRENT_MAX_PATH 255
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#ifdef _MSC_VER
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#pragma message ( "unknown platform, assuming the longest path is 255" )
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#else
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#warning "unknown platform, assuming the longest path is 255"
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#endif
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#endif
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#define TORRENT_UNUSED(x) (void)(x)
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#if defined TORRENT_WINDOWS && !defined TORRENT_MINGW
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#include <stdarg.h>
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// internal
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#ifdef __cplusplus
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inline
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#else
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static
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#endif
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int snprintf(char* buf, int len, char const* fmt, ...)
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{
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va_list lp;
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int ret;
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va_start(lp, fmt);
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ret = _vsnprintf(buf, len, fmt, lp);
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va_end(lp);
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if (ret < 0) { buf[len-1] = 0; ret = len-1; }
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return ret;
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}
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#define strtoll _strtoi64
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#else
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#include <limits.h>
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#endif
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// at the highest warning level, clang actually warns about functions
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// that could be marked noreturn. There seems to be versions of GCC
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// that declare being
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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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#ifdef __GLIBC__
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#define TORRENT_EXCEPTION_THROW_SPECIFIER _GLIBCXX_USE_NOEXCEPT
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#else
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#if __cplusplus <= 199711L || defined BOOST_NO_CXX11_NOEXCEPT
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#define TORRENT_EXCEPTION_THROW_SPECIFIER throw()
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#else
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#define TORRENT_EXCEPTION_THROW_SPECIFIER noexcept
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#endif
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#endif // __GLIBC__
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#if __cplusplus <= 199711L || defined BOOST_NO_CXX11_FINAL
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#define TORRENT_FINAL
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#else
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#define TORRENT_FINAL final
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#endif
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#if __cplusplus <= 199711L
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#define TORRENT_OVERRIDE
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#else
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#define TORRENT_OVERRIDE override
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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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#ifndef TORRENT_USE_INTERLOCKED_ATOMIC
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#define TORRENT_USE_INTERLOCKED_ATOMIC 0
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#endif
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#ifndef TORRENT_USE_GCC_ATOMIC
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#define TORRENT_USE_GCC_ATOMIC 0
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#endif
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#ifndef TORRENT_USE_OSATOMIC
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#define TORRENT_USE_OSATOMIC 0
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#endif
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#ifndef TORRENT_USE_BEOS_ATOMIC
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#define TORRENT_USE_BEOS_ATOMIC 0
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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_BROKEN_UNIONS
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#define TORRENT_BROKEN_UNIONS 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_HAVE_MMAP
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#define TORRENT_HAVE_MMAP 0
|
|
#endif
|
|
|
|
#ifndef TORRENT_COMPLETE_TYPES_REQUIRED
|
|
#define TORRENT_COMPLETE_TYPES_REQUIRED 0
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_FDATASYNC
|
|
#define TORRENT_USE_FDATASYNC 0
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_UNC_PATHS
|
|
#define TORRENT_USE_UNC_PATHS 0
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_RLIMIT
|
|
#define TORRENT_USE_RLIMIT 1
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_IFADDRS
|
|
#define TORRENT_USE_IFADDRS 0
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_IPV6
|
|
#define TORRENT_USE_IPV6 1
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_MLOCK
|
|
#define TORRENT_USE_MLOCK 1
|
|
#endif
|
|
|
|
// if preadv() exists, we assume pwritev() does as well
|
|
#ifndef TORRENT_USE_PREADV
|
|
#define TORRENT_USE_PREADV 0
|
|
#endif
|
|
|
|
// if pread() exists, we assume pwrite() does as well
|
|
#ifndef TORRENT_USE_PREAD
|
|
#define TORRENT_USE_PREAD 1
|
|
#endif
|
|
|
|
#ifndef TORRENT_NO_FPU
|
|
#define TORRENT_NO_FPU 0
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_IOSTREAM
|
|
#ifndef BOOST_NO_IOSTREAM
|
|
#define TORRENT_USE_IOSTREAM 1
|
|
#else
|
|
#define TORRENT_USE_IOSTREAM 0
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef TORRENT_THREADSAFE_STATIC
|
|
#if __cplusplus < 199711L || (defined _MSC_VER && _MSC_VER <= 1800)
|
|
#define TORRENT_THREADSAFE_STATIC 0
|
|
#else
|
|
#define TORRENT_THREADSAFE_STATIC 1
|
|
#endif
|
|
#endif
|
|
|
|
// if set to true, piece picker will use less RAM
|
|
// but only support up to ~260000 pieces in a torrent
|
|
#ifndef TORRENT_COMPACT_PICKER
|
|
#define TORRENT_COMPACT_PICKER 0
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_I2P
|
|
#define TORRENT_USE_I2P 1
|
|
#endif
|
|
|
|
#ifndef TORRENT_HAS_BOOST_UNORDERED
|
|
#define TORRENT_HAS_BOOST_UNORDERED 1
|
|
#endif
|
|
|
|
#ifndef TORRENT_USE_PURGABLE_CONTROL
|
|
#define TORRENT_USE_PURGABLE_CONTROL 0
|
|
#endif
|
|
|
|
#if !defined TORRENT_IOV_MAX
|
|
#ifdef IOV_MAX
|
|
#define TORRENT_IOV_MAX IOV_MAX
|
|
#else
|
|
#define TORRENT_IOV_MAX INT_MAX
|
|
#endif
|
|
#endif
|
|
|
|
#if !defined(TORRENT_READ_HANDLER_MAX_SIZE)
|
|
# ifdef _GLIBCXX_DEBUG
|
|
# define TORRENT_READ_HANDLER_MAX_SIZE 400
|
|
# else
|
|
// if this is not divisible by 8, we're wasting space
|
|
# define TORRENT_READ_HANDLER_MAX_SIZE 336
|
|
# endif
|
|
#endif
|
|
|
|
#if !defined(TORRENT_WRITE_HANDLER_MAX_SIZE)
|
|
# ifdef _GLIBCXX_DEBUG
|
|
# define TORRENT_WRITE_HANDLER_MAX_SIZE 400
|
|
# else
|
|
// if this is not divisible by 8, we're wasting space
|
|
# define TORRENT_WRITE_HANDLER_MAX_SIZE 336
|
|
# endif
|
|
#endif
|
|
|
|
#if defined _MSC_VER && _MSC_VER <= 1200
|
|
// this is here to provide a standard-conforming for
|
|
// keyword for old versions of msvc. The pragmas are
|
|
// there to silence the warning it produces by using
|
|
// a constant as conditional
|
|
#define for \
|
|
__pragma( warning(push) ) \
|
|
__pragma( warning(disable:4127) ) \
|
|
if (false) {} else \
|
|
__pragma( warning(pop) )
|
|
for
|
|
#endif
|
|
|
|
#if TORRENT_BROKEN_UNIONS
|
|
#define TORRENT_UNION struct
|
|
#else
|
|
#define TORRENT_UNION union
|
|
#endif
|
|
|
|
#if defined __GNUC__
|
|
#define TORRENT_FUNCTION __PRETTY_FUNCTION__
|
|
#else
|
|
#define TORRENT_FUNCTION __FUNCTION__
|
|
#endif
|
|
|
|
|
|
// debug builds have asserts enabled by default, release
|
|
// builds have asserts if they are explicitly enabled by
|
|
// the release_asserts macro.
|
|
#ifndef TORRENT_USE_ASSERTS
|
|
#if defined TORRENT_DEBUG || defined TORRENT_RELEASE_ASSERTS
|
|
#define TORRENT_USE_ASSERTS 1
|
|
#else
|
|
#define TORRENT_USE_ASSERTS 0
|
|
#endif
|
|
#endif // TORRENT_USE_ASSERTS
|
|
|
|
#if defined TORRENT_DEBUG && TORRENT_USE_ASSERTS \
|
|
&& !defined TORRENT_DISABLE_INVARIANT_CHECKS
|
|
#define TORRENT_USE_INVARIANT_CHECKS 1
|
|
#else
|
|
#define TORRENT_USE_INVARIANT_CHECKS 0
|
|
#endif
|
|
|
|
// for non-exception builds
|
|
#ifdef BOOST_NO_EXCEPTIONS
|
|
#define TORRENT_TRY if (true)
|
|
#define TORRENT_CATCH(x) else if (false)
|
|
#define TORRENT_CATCH_ALL else if (false)
|
|
#define TORRENT_DECLARE_DUMMY(x, y) x y
|
|
#else
|
|
#define TORRENT_TRY try
|
|
#define TORRENT_CATCH(x) catch(x)
|
|
#define TORRENT_CATCH_ALL catch(...)
|
|
#define TORRENT_DECLARE_DUMMY(x, y)
|
|
#endif // BOOST_NO_EXCEPTIONS
|
|
|
|
// SSE is x86 / amd64 specific. On top of that, we only
|
|
// know how to access it on msvc and gcc (and gcc compatibles).
|
|
// GCC requires the user to enable SSE support in order for
|
|
// the program to have access to the intrinsics, this is
|
|
// indicated by the __SSE4_1__ macro
|
|
#ifndef TORRENT_HAS_SSE
|
|
|
|
#if (defined _M_AMD64 || defined _M_IX86 || defined _M_X64 \
|
|
|| defined __amd64__ || defined __i386 || defined __i386__ \
|
|
|| defined __x86_64__ || defined __x86_64) \
|
|
&& (defined __GNUC__ || defined _MSC_VER)
|
|
#define TORRENT_HAS_SSE 1
|
|
#else
|
|
#define TORRENT_HAS_SSE 0
|
|
#endif
|
|
|
|
#endif // TORRENT_HAS_SSE
|
|
|
|
|
|
#endif // TORRENT_CONFIG_HPP_INCLUDED
|
|
|