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   1 /* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */
   2 /*
   3  * Copyright (c) 1993, 1994, 1995, 1996, 1997
   4  *      The Regents of the University of California.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by the Computer Systems
  17  *      Engineering Group at Lawrence Berkeley Laboratory.
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  19  *    to endorse or promote products derived from this software without
  20  *    specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #ifndef lib_pcap_socket_h
  36 #define lib_pcap_socket_h
  37
  38 /*
  39  * Some minor differences between sockets on various platforms.
  40  * We include whatever sockets are needed for Internet-protocol
  41  * socket access on UN*X and Windows.
  42  */
  43 #ifdef _WIN32
  44   /* Need windef.h for defines used in winsock2.h under MingW32 */
  45   #ifdef __MINGW32__
  46     #include <windef.h>
  47   #endif
  48   #include <winsock2.h>
  49   #include <ws2tcpip.h>
  50
  51   /*
  52    * Winsock doesn't have this POSIX type; it's used for the
  53    * tv_usec value of struct timeval.
  54    */
  55   typedef long suseconds_t;
  56 #else /* _WIN32 */
  57   #include <sys/types.h>
  58   #include <sys/socket.h>
  59   #include <netdb.h>            /* for struct addrinfo/getaddrinfo() */
  60   #include <netinet/in.h>       /* for sockaddr_in, in BSD at least */
  61   #include <arpa/inet.h>
  62
  63   /*!
  64    * \brief In Winsock, a socket handle is of type SOCKET; in UN*X, it's
  65    * a file descriptor, and therefore a signed integer.
  66    * We define SOCKET to be a signed integer on UN*X, so that it can
  67    * be used on both platforms.
  68    */
  69   #ifndef SOCKET
  70     #define SOCKET int
  71   #endif
  72
  73   /*!
  74    * \brief In Winsock, the error return if socket() fails is INVALID_SOCKET;
  75    * in UN*X, it's -1.
  76    * We define INVALID_SOCKET to be -1 on UN*X, so that it can be used on
  77    * both platforms.
  78    */
  79   #ifndef INVALID_SOCKET
  80     #define INVALID_SOCKET -1
  81   #endif
  82 #endif /* _WIN32 */
  83
  84 #endif /* lib_pcap_socket_h */