net.sockets/wrappers.lisp

   1 ;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; indent-tabs-mode: nil -*-
   2 ;;;
   3 ;;; wrappers.lisp --- Wrappers for socket-related C macros.
   4 ;;;
   5 ;;; Copyright (C) 2008, Stelian Ionescu  <sionescu@common-lisp.net>
   6 ;;;
   7 ;;; This code is free software; you can redistribute it and/or
   8 ;;; modify it under the terms of the version 2.1 of
   9 ;;; the GNU Lesser General Public License as published by
  10 ;;; the Free Software Foundation, as clarified by the
  11 ;;; preamble found here:
  12 ;;;     http://opensource.franz.com/preamble.html
  13 ;;;
  14 ;;; This program is distributed in the hope that it will be useful,
  15 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;;; GNU General Public License for more details.
  18 ;;;
  19 ;;; You should have received a copy of the GNU Lesser General
  20 ;;; Public License along with this library; if not, write to the
  21 ;;; Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  22 ;;; Boston, MA 02110-1301, USA
  23
  24 (in-package :net.sockets)
  25
  26 (c "#if defined(__linux__)")
  27 (define "_XOPEN_SOURCE" 600)
  28 (define "_LARGEFILE_SOURCE")
  29 (define "_LARGEFILE64_SOURCE")
  30 (define "_FILE_OFFSET_BITS" 64)
  31 (c "#endif")
  32
  33 (include "sys/socket.h")
  34
  35 (defwrapper* ("cmsg_space" %cmsg-space) ("unsigned" :unsigned-int)
  36   ((data-size ("unsigned" :unsigned-int)))
  37   "return CMSG_SPACE(data_size);")
  38
  39 (defwrapper* ("cmsg_len" %cmsg-len) ("unsigned" :unsigned-int)
  40   ((data-size ("unsigned" :unsigned-int)))
  41   "return CMSG_LEN(data_size);")
  42
  43 (defwrapper* ("cmsg_firsthdr" %cmsg-firsthdr) ("void*" :pointer)
  44   ((msg ("struct msghdr*" :pointer)))
  45   "return CMSG_FIRSTHDR(msg);")
  46
  47 (defwrapper* ("cmsg_data" %cmsg-data) ("void*" :pointer)
  48   ((cmsg ("struct cmsghdr*" :pointer)))
  49   "return CMSG_DATA(cmsg);")