mirror of https://github.com/getdnsapi/getdns.git
152 lines
4.8 KiB
C
152 lines
4.8 KiB
C
/**
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*
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* \file platform.h
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* @brief general functions with platform-dependent implementations
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*
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*/
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/*
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* Copyright (c) 2017, NLnet Labs, Sinodun
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * 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 the
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* documentation and/or other materials provided with the distribution.
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* * Neither the names of the copyright holders nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Verisign, Inc. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef PLATFORM_H
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#define PLATFORM_H
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#include "config.h"
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#ifdef USE_WINSOCK
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typedef u_short sa_family_t;
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#define _getdns_EINTR (WSAEINTR)
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#define _getdns_EAGAIN (WSATRY_AGAIN)
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#define _getdns_EWOULDBLOCK (WSAEWOULDBLOCK)
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#define _getdns_EINPROGRESS (WSAEINPROGRESS)
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#define _getdns_ENOBUFS (WSAENOBUFS)
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#define _getdns_EPROTO (0)
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#define _getdns_EMFILE (WSAEMFILE)
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#ifdef WSAENFILE
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# define _getdns_ENFILE (WSAENFILE)
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#else
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# define _getdns_ENFILE (0)
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#endif
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#define _getdns_ECONNRESET (WSAECONNRESET)
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#define _getdns_ECONNABORTED (0)
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#define _getdns_EISCONN (WSAEISCONN)
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#define _getdns_closesocket(fd) closesocket(fd)
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#define _getdns_poll(fdarray, nsockets, timer) WSAPoll(fdarray, nsockets, timer)
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#define _getdns_socketerror() (WSAGetLastError())
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const char *_getdns_strerror(DWORD errnum);
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#else /* USE_WINSOCK */
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#ifdef HAVE_SYS_POLL_H
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# include <sys/poll.h>
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#else
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# include <poll.h>
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#endif
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#define _getdns_EINTR (EINTR)
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#define _getdns_EAGAIN (EAGAIN)
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#ifdef EWOULDBLOCK
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#define _getdns_EWOULDBLOCK (EWOULDBLOCK)
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#else
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#define _getdns_EWOULDBLOCK (0)
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#endif
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#ifdef EINPROGRESS
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# define _getdns_EINPROGRESS (EINPROGRESS)
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#else
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# define _getdns_EINPROGRESS (0)
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#endif
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#ifdef ENOBUFS
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# define _getdns_ENOBUFS (ENOBUFS)
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#else
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# define _getdns_ENOBUFS (0)
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#endif
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#ifdef EPROTO
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# define _getdns_EPROTO (EPROTO)
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#else
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# define _getdns_EPROTO (0)
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#endif
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#ifdef EMFILE
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# define _getdns_EMFILE (EMFILE)
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#else
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# define _getdns_EMFILE (0)
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#endif
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#ifdef ENFILE
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# define _getdns_ENFILE (ENFILE)
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#else
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# define _getdns_ENFILE (0)
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#endif
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#ifdef ECONNRESET
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# define _getdns_ECONNRESET (ECONNRESET)
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#else
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# define _getdns_ECONNRESET (0)
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#endif
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#ifdef ECONNABORTED
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# define _getdns_ECONNABORTED (ECONNABORTED)
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#else
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# define _getdns_ECONNABORTED (0)
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#endif
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#ifdef EISCONN
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# define _getdns_EISCONN (EISCONN)
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#else
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# define _getdns_EISCONN (0)
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#endif
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#define SOCKADDR struct sockaddr
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#define SOCKADDR_IN struct sockaddr_in
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#define SOCKADDR_IN6 struct sockaddr_in6
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#define SOCKADDR_STORAGE struct sockaddr_storage
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#define SOCKET int
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#define IP_MREQ struct ip_mreq
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#define IPV6_MREQ struct ipv6_mreq
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#define BOOL int
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#define TRUE 1
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#define _getdns_closesocket(fd) close(fd)
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#define _getdns_poll(fdarray, nsockets, timer) poll(fdarray, nsockets, timer)
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#define _getdns_socketerror() (errno)
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const char *_getdns_strerror(int errnum);
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#endif
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void _getdns_perror(const char *str);
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#define _getdns_errnostr() (_getdns_strerror(_getdns_socketerror()))
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#define _getdns_error_wants_retry(X) ( (X) != 0 \
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&& ( (X) == _getdns_EINTR \
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|| (X) == _getdns_EAGAIN \
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|| (X) == _getdns_EWOULDBLOCK \
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|| (X) == _getdns_EINPROGRESS \
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|| (X) == _getdns_ENOBUFS ))
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#define _getdns_socketerror_wants_retry() (_getdns_error_wants_retry(_getdns_socketerror()))
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#define _getdns_resource_depletion() ( _getdns_socketerror() != 0 \
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&& ( _getdns_socketerror() == _getdns_ENFILE \
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|| _getdns_socketerror() == _getdns_EMFILE ))
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#endif
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