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.
18 * 4. Neither the name of the University nor of the Laboratory may be used
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
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 UN*X type; it's used in the UN*X
53   * sockets API.
54   *
55   * XXX - do we need to worry about UN*Xes so old that *they*
56   * don't have it, either?
57   */
58  typedef int socklen_t;
59
60  /*
61   * Winsock doesn't have this POSIX type; it's used for the
62   * tv_usec value of struct timeval.
63   */
64  typedef long suseconds_t;
65#else /* _WIN32 */
66  #include <sys/types.h>
67  #include <sys/socket.h>
68  #include <netdb.h>		/* for struct addrinfo/getaddrinfo() */
69  #include <netinet/in.h>	/* for sockaddr_in, in BSD at least */
70  #include <arpa/inet.h>
71
72  /*!
73   * \brief In Winsock, a socket handle is of type SOCKET; in UN*X, it's
74   * a file descriptor, and therefore a signed integer.
75   * We define SOCKET to be a signed integer on UN*X, so that it can
76   * be used on both platforms.
77   */
78  #ifndef SOCKET
79    #define SOCKET int
80  #endif
81
82  /*!
83   * \brief In Winsock, the error return if socket() fails is INVALID_SOCKET;
84   * in UN*X, it's -1.
85   * We define INVALID_SOCKET to be -1 on UN*X, so that it can be used on
86   * both platforms.
87   */
88  #ifndef INVALID_SOCKET
89    #define INVALID_SOCKET -1
90  #endif
91#endif /* _WIN32 */
92
93#endif /* lib_pcap_socket_h */
94