/*
 * Copyright (C) 2023 Joan Lledó <jlledom@member.fsf.org>
 *
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
 */

#ifndef HURD_LWIP_POSIX_INET_H
#define HURD_LWIP_POSIX_INET_H

#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <net/if.h>

#ifdef __cplusplus
extern "C" {
#endif

#if LWIP_IPV4

#define inet_addr_from_ip4addr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
#define inet_addr_to_ip4addr(target_ipaddr, source_inaddr)   (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))

#ifdef LWIP_UNIX_HURD
#define IP_PKTINFO  8

struct in_pktinfo {
  unsigned int   ipi_ifindex;  /* Interface index */
  struct in_addr ipi_addr;     /* Destination (from header) address */
};
#endif /* LWIP_UNIX_HURD */

#endif /* LWIP_IPV4 */

#if LWIP_IPV6
#define inet6_addr_from_ip6addr(target_in6addr, source_ip6addr) {(target_in6addr)->s6_addr32[0] = (source_ip6addr)->addr[0]; \
                                                                 (target_in6addr)->s6_addr32[1] = (source_ip6addr)->addr[1]; \
                                                                 (target_in6addr)->s6_addr32[2] = (source_ip6addr)->addr[2]; \
                                                                 (target_in6addr)->s6_addr32[3] = (source_ip6addr)->addr[3];}
#define inet6_addr_to_ip6addr(target_ip6addr, source_in6addr)   {(target_ip6addr)->addr[0] = (source_in6addr)->s6_addr32[0]; \
                                                                 (target_ip6addr)->addr[1] = (source_in6addr)->s6_addr32[1]; \
                                                                 (target_ip6addr)->addr[2] = (source_in6addr)->s6_addr32[2]; \
                                                                 (target_ip6addr)->addr[3] = (source_in6addr)->s6_addr32[3]; \
                                                                 ip6_addr_clear_zone(target_ip6addr);}
/* ATTENTION: the next define only works because both in6_addr and ip6_addr_t are an u32_t[4] effectively! */
#define inet6_addr_to_ip6addr_p(target_ip6addr_p, source_in6addr)   ((target_ip6addr_p) = (ip6_addr_t*)(source_in6addr))
#endif /* LWIP_IPV6 */

#ifdef __cplusplus
}
#endif

#endif /* HURD_LWIP_POSIX_INET_H */