socket.h 3.3 KB

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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.
  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. #ifndef lib_pcap_socket_h
  35. #define lib_pcap_socket_h
  36. /*
  37. * Some minor differences between sockets on various platforms.
  38. * We include whatever sockets are needed for Internet-protocol
  39. * socket access on UN*X and Windows.
  40. */
  41. #ifdef _WIN32
  42. /* Need windef.h for defines used in winsock2.h under MingW32 */
  43. #ifdef __MINGW32__
  44. #include <windef.h>
  45. #endif
  46. #include <winsock2.h>
  47. #include <ws2tcpip.h>
  48. /*
  49. * Winsock doesn't have this POSIX type; it's used for the
  50. * tv_usec value of struct timeval.
  51. */
  52. typedef long suseconds_t;
  53. #else /* _WIN32 */
  54. #include <sys/types.h>
  55. #include <sys/socket.h>
  56. #include <netdb.h> /* for struct addrinfo/getaddrinfo() */
  57. #include <netinet/in.h> /* for sockaddr_in, in BSD at least */
  58. #include <arpa/inet.h>
  59. /*!
  60. * \brief In Winsock, a socket handle is of type SOCKET; in UN*X, it's
  61. * a file descriptor, and therefore a signed integer.
  62. * We define SOCKET to be a signed integer on UN*X, so that it can
  63. * be used on both platforms.
  64. */
  65. #ifndef SOCKET
  66. #define SOCKET int
  67. #endif
  68. /*!
  69. * \brief In Winsock, the error return if socket() fails is INVALID_SOCKET;
  70. * in UN*X, it's -1.
  71. * We define INVALID_SOCKET to be -1 on UN*X, so that it can be used on
  72. * both platforms.
  73. */
  74. #ifndef INVALID_SOCKET
  75. #define INVALID_SOCKET -1
  76. #endif
  77. #endif /* _WIN32 */
  78. #endif /* lib_pcap_socket_h */