isc-dhcp/includes/osdep.h

/* osdep.h

   Operating system dependencies... */

/*
 * Copyright (c) 1995 RadioMail Corporation.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of RadioMail Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY RADIOMAIL CORPORATION AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * RADIOMAIL CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software was written for RadioMail Corporation by Ted Lemon
 * under a contract with Vixie Enterprises, and is based on an earlier
 * design by Paul Vixie.
 */

#include "site.h"

#if !defined (USE_SOCKETS) && \
    !defined (USE_SOCKET_SEND) && \
    !defined (USE_SOCKET_RECEIVE) && \
    !defined (USE_RAW_SOCKETS) && \
    !defined (USE_RAW_SEND) && \
    !defined (USE_SOCKET_RECEIVE) && \
    !defined (USE_BPF) && \
    !defined (USE_BPF_SEND) && \
    !defined (USE_BPF_RECEIVE) && \
    !defined (USE_NIT) && \
    !defined (USE_NIT_SEND) && \
    !defined (USE_NIT_RECEIVE)
#  define USE_DEFAULT_NETWORK
#endif


#if defined (sun)
# if defined (__svr4__)
#  include "cf/sunos5-5.h"
# else
#  include "cf/sunos4.h"
# endif
#endif

#ifdef bsdi
#  include "cf/bsdos.h"
#endif

#ifdef __NetBSD__
#  include "cf/netbsd.h"
#endif

#ifdef __FreeBSD__
#  include "cf/freebsd.h"
#endif

#if defined (__osf__) && defined (__alpha)
#  include "cf/alphaosf.h"
#endif

#ifdef ultrix
#  include "cf/ultrix.h"
#endif

#ifdef linux
#  include "cf/linux.h"
#endif

#ifdef USE_SOCKETS
#  define USE_SOCKET_SEND
#  define USE_SOCKET_RECEIVE
#endif

#ifdef USE_RAW_SOCKETS
#  define USE_RAW_SEND
#  define USE_SOCKET_RECEIVE
#endif

#ifdef USE_BPF
#  define USE_BPF_SEND
#  define USE_BPF_RECEIVE
#endif

#ifdef USE_NIT
#  define USE_NIT_SEND
#  define USE_NIT_RECEIVE
#endif

/* jmp_buf is assumed to be a struct unless otherwise defined in the
   system header. */
#ifndef jbp_decl
# define jbp_decl(x)	jmp_buf *x
#endif
#ifndef jref
# define jref(x)	(&(x))
#endif
#ifndef jdref
# define jdref(x)	(*(x))
#endif
#ifndef jrefproto
# define jrefproto	jmp_buf *
#endif

/* On some systems, the struct ether_header source and destinations buffers
   are arrays; on others, they are structs.   We assume they're arrays
   unless otherwise defined in the system header. */
#ifndef ETHER_SRC
# define ETHER_SRC(x)	((x) -> ether_shost)
#endif
#ifndef ETHER_DEST
# define ETHER_DEST(x)	((x) -> ether_dhost)
#endif

#ifndef BPF_FORMAT
# define BPF_FORMAT "/dev/bpf%d"
#endif