text: /*
   * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
   * 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. 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.
   *
   * This file is part of the lwIP TCP/IP stack.
   * 
   * Author: Adam Dunkels <adam@sics.se>
   *
   */
  #ifndef __LWIP_IP_ADDR_H__
  #define __LWIP_IP_ADDR_H__
  
  #include "lwip/opt.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define IP_ADDR_ANY 0
  
  #ifdef PACK_STRUCT_USE_INCLUDES
  #  include "arch/bpstruct.h"
  #endif
  PACK_STRUCT_BEGIN
   struct ip_addr {
    PACK_STRUCT_FIELD(u32_t addr[4]);
  } PACK_STRUCT_STRUCT;
  PACK_STRUCT_END
  #ifdef PACK_STRUCT_USE_INCLUDES
  #  include "arch/epstruct.h"
  #endif
  
  /*
   * struct ipaddr2 is used in the definition of the ARP packet format in
   * order to support compilers that don't have structure packing.
   */
  #ifdef PACK_STRUCT_USE_INCLUDES
  #  include "arch/bpstruct.h"
  #endif
  PACK_STRUCT_BEGIN
  struct ip_addr2 {
    PACK_STRUCT_FIELD(u16_t addrw[2]);
  } PACK_STRUCT_STRUCT;
  PACK_STRUCT_END
  #ifdef PACK_STRUCT_USE_INCLUDES
  #  include "arch/epstruct.h"
  #endif
  
  #define IP6_ADDR(ipaddr, a,b,c,d,e,f,g,h) do { (ipaddr)->addr[0] = htonl((u32_t)((a & 0xffff) << 16) | (b & 0xffff)); \
                                                 (ipaddr)->addr[1] = htonl(((c & 0xffff) << 16) | (d & 0xffff)); \
                                                 (ipaddr)->addr[2] = htonl(((e & 0xffff) << 16) | (f & 0xffff)); \
                                                 (ipaddr)->addr[3] = htonl(((g & 0xffff) << 16) | (h & 0xffff)); } while(0)
  
  u8_t ip_addr_netcmp(struct ip_addr *addr1, struct ip_addr *addr2,
          struct ip_addr *mask);
  u8_t ip_addr_cmp(struct ip_addr *addr1, struct ip_addr *addr2);
  void ip_addr_set(struct ip_addr *dest, struct ip_addr *src);
  u8_t ip_addr_isany(struct ip_addr *addr);
  
  #define ip_addr_debug_print(debug, ipaddr) \
          LWIP_DEBUGF(debug, ("%" X32_F ":%" X32_F ":%" X32_F ":%" X32_F ":%" X32_F ":%" X32_F ":%" X32_F ":%" X32_F"\n", \
           (ntohl(ipaddr->addr[0]) >> 16) & 0xffff, \
           ntohl(ipaddr->addr[0]) & 0xffff, \
           (ntohl(ipaddr->addr[1]) >> 16) & 0xffff, \
           ntohl(ipaddr->addr[1]) & 0xffff, \
           (ntohl(ipaddr->addr[2]) >> 16) & 0xffff, \
           ntohl(ipaddr->addr[2]) & 0xffff, \
           (ntohl(ipaddr->addr[3]) >> 16) & 0xffff, \
           ntohl(ipaddr->addr[3]) & 0xffff));
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __LWIP_IP_ADDR_H__ */
  