479 lines
12 KiB
C++
479 lines
12 KiB
C++
/*
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Copyright (c) 2005, 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 <boost/config.hpp>
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#include <boost/version.hpp>
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#include <stdio.h> // for snprintf
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#include <limits.h> // for IOV_MAX
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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
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#endif
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#ifndef _MSC_VER
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#define __STDC_FORMAT_MACROS
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#include <inttypes.h>
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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 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 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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# if __GNUC__ >= 3
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# define TORRENT_DEPRECATED __attribute__ ((deprecated))
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# endif
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// GCC pre 4.0 did not have support for the visibility attribute
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# if __GNUC__ >= 4
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# if defined(TORRENT_BUILDING_SHARED) || defined(TORRENT_LINKING_SHARED)
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# define TORRENT_EXPORT __attribute__ ((visibility("default")))
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# endif
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# endif
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// ======= SUNPRO =========
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#elif defined __SUNPRO_CC
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# if __SUNPRO_CC >= 0x550
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# if defined(TORRENT_BUILDING_SHARED) || defined(TORRENT_LINKING_SHARED)
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# define TORRENT_EXPORT __global
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# endif
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# endif
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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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// 'strdup': The POSIX name for this item is deprecated. Instead, use the ISO C++ conformant name: _strdup
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#pragma warning(disable: 4996)
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#define strdup _strdup
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# if defined(TORRENT_BUILDING_SHARED)
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# define TORRENT_EXPORT __declspec(dllexport)
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# elif defined(TORRENT_LINKING_SHARED)
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# define TORRENT_EXPORT __declspec(dllimport)
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# endif
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#define TORRENT_DEPRECATED_PREFIX __declspec(deprecated)
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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_WRITEV 0
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#define TORRENT_USE_READV 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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#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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#define TORRENT_CLOSE_MAY_BLOCK 1
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#endif
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#endif
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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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#define TORRENT_USE_IFADDRS 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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// ==== 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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// ==== 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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// ==== 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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// ==== 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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#ifndef TORRENT_USE_ICONV
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#define TORRENT_USE_ICONV 0
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#endif
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#if __GNUCC__ == 2
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# if defined(TORRENT_BUILDING_SHARED)
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# define TORRENT_EXPORT __declspec(dllexport)
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# elif defined(TORRENT_LINKING_SHARED)
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# define TORRENT_EXPORT __declspec(dllimport)
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# endif
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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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#else
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#warning unknown OS, assuming BSD
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#define TORRENT_BSD
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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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#warning unknown platform, assuming the longest path is 255
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#endif
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#if defined TORRENT_WINDOWS && !defined TORRENT_MINGW
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#include <stdarg.h>
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inline int snprintf(char* buf, int len, char const* fmt, ...)
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{
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va_list lp;
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va_start(lp, fmt);
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int 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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#if (defined(TORRENT_LOGGING) || defined(TORRENT_VERBOSE_LOGGING)) \
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&& !defined (TORRENT_UPNP_LOGGING) && TORRENT_USE_IOSTREAM
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#define TORRENT_UPNP_LOGGING
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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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// libiconv presence, 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_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_USE_LOCALE
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#define TORRENT_USE_LOCALE 0
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#endif
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// set this to true if close() may block on your system
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// Mac OS X does this if the file being closed is not fully
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// allocated on disk yet for instance. When defined, the disk
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// I/O subsytem will use a separate thread for closing files
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#ifndef TORRENT_CLOSE_MAY_BLOCK
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#define TORRENT_CLOSE_MAY_BLOCK 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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#if defined UNICODE && !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 // UNICODE
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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_EXPORT
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# define TORRENT_EXPORT
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#endif
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#ifndef TORRENT_DEPRECATED_PREFIX
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#define TORRENT_DEPRECATED_PREFIX
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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_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_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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#ifndef TORRENT_USE_MLOCK
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#define TORRENT_USE_MLOCK 1
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#endif
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#ifndef TORRENT_USE_WRITEV
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#define TORRENT_USE_WRITEV 1
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#endif
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#ifndef TORRENT_USE_READV
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#define TORRENT_USE_READV 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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#if !defined TORRENT_USE_IOSTREAM && !defined 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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#ifndef TORRENT_USE_I2P
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#define TORRENT_USE_I2P 1
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#endif
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#ifndef TORRENT_HAS_STRDUP
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#define TORRENT_HAS_STRDUP 1
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#endif
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#if !defined TORRENT_IOV_MAX
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#ifdef IOV_MAX
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#define TORRENT_IOV_MAX IOV_MAX
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#else
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#define TORRENT_IOV_MAX INT_MAX
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#endif
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#endif
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#if !defined(TORRENT_READ_HANDLER_MAX_SIZE)
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# define TORRENT_READ_HANDLER_MAX_SIZE 256
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#endif
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#if !defined(TORRENT_WRITE_HANDLER_MAX_SIZE)
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# define TORRENT_WRITE_HANDLER_MAX_SIZE 256
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#endif
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#if defined _MSC_VER && _MSC_VER <= 1200
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#define for if (false) {} else for
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#endif
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#if TORRENT_BROKEN_UNIONS
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#define TORRENT_UNION struct
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#else
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#define TORRENT_UNION union
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#endif
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// determine what timer implementation we can use
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// if one is already defined, don't pick one
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// autmatically. This lets the user control this
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// from the Jamfile
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#if !defined TORRENT_USE_ABSOLUTE_TIME \
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&& !defined TORRENT_USE_QUERY_PERFORMANCE_TIMER \
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&& !defined TORRENT_USE_CLOCK_GETTIME \
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&& !defined TORRENT_USE_BOOST_DATE_TIME \
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&& !defined TORRENT_USE_ECLOCK \
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&& !defined TORRENT_USE_SYSTEM_TIME
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#if defined __APPLE__ && defined __MACH__
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#define TORRENT_USE_ABSOLUTE_TIME 1
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#elif defined(_WIN32) || defined TORRENT_MINGW
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#define TORRENT_USE_QUERY_PERFORMANCE_TIMER 1
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#elif defined(_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0
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#define TORRENT_USE_CLOCK_GETTIME 1
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#elif defined(TORRENT_AMIGA)
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#define TORRENT_USE_ECLOCK 1
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#elif defined(TORRENT_BEOS)
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#define TORRENT_USE_SYSTEM_TIME 1
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#else
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#define TORRENT_USE_BOOST_DATE_TIME 1
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#endif
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#endif
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#if !TORRENT_HAS_STRDUP
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inline char* strdup(char const* str)
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{
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if (str == 0) return 0;
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char* tmp = (char*)malloc(strlen(str) + 1);
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if (tmp == 0) return 0;
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strcpy(tmp, str);
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return tmp;
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}
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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_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_DECLARE_DUMMY(x, y)
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#endif // BOOST_NO_EXCEPTIONS
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#endif // TORRENT_CONFIG_HPP_INCLUDED
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