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68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
#ifndef LIBUTP_INET_NTOP_H
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#define LIBUTP_INET_NTOP_H
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/*
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* Copyright (c) 2010-2013 BitTorrent, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// About us linking the system inet_pton and inet_ntop symbols:
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// 1) These symbols are usually defined on POSIX systems
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// 2) They are not defined on Windows versions earlier than Vista
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// Defined in:
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// ut_utils/src/sockaddr.cpp
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// libutp/win32_inet_ntop.obj
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//
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// When we drop support for XP we can just #include <ws2tcpip.h>, and use the system functions
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// For now, we will always use our functions on windows, on all builds
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// The reason is: we would like the debug build to behave as much as the release build as possible
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// It is much better to catch a problem in the debug build, than to link the system version
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// in debug, and our version int he wild.
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#if defined(_WIN32_WINNT)
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#if _WIN32_WINNT >= 0x600 // Win32, post-XP
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#include <ws2tcpip.h> // for inet_ntop, inet_pton
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#define INET_NTOP inet_ntop
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#define INET_PTON inet_pton
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#else
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#define INET_NTOP libutp::inet_ntop // Win32, pre-XP: Use ours
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#define INET_PTON libutp::inet_pton
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#endif
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#else // not WIN32
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#include <arpa/inet.h> // for inet_ntop, inet_pton
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#define INET_NTOP inet_ntop
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#define INET_PTON inet_pton
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#endif
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//######################################################################
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//######################################################################
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namespace libutp {
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//######################################################################
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const char *inet_ntop(int af, const void *src, char *dest, size_t length);
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//######################################################################
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int inet_pton(int af, const char* src, void* dest);
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} //namespace libutp
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#endif // LIBUTP_INET_NTOP_H
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