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>
   *
   */
  
  #include "lwip/ip_addr.h"
  #include "lwip/inet.h"
  
  
  int
  ip_addr_netcmp(struct ip_addr *addr1, struct ip_addr *addr2,
                  struct ip_addr *mask)
  {
    return((addr1->addr[0] & mask->addr[0]) == (addr2->addr[0] & mask->addr[0]) &&
           (addr1->addr[1] & mask->addr[1]) == (addr2->addr[1] & mask->addr[1]) &&
           (addr1->addr[2] & mask->addr[2]) == (addr2->addr[2] & mask->addr[2]) &&
           (addr1->addr[3] & mask->addr[3]) == (addr2->addr[3] & mask->addr[3]));
          
  }
  
  int
  ip_addr_cmp(struct ip_addr *addr1, struct ip_addr *addr2)
  {
    return(addr1->addr[0] == addr2->addr[0] &&
           addr1->addr[1] == addr2->addr[1] &&
           addr1->addr[2] == addr2->addr[2] &&
           addr1->addr[3] == addr2->addr[3]);
  }
  
  void
  ip_addr_set(struct ip_addr *dest, struct ip_addr *src)
  {
    memcpy(dest, src, sizeof(struct ip_addr));
    /*  dest->addr[0] = src->addr[0];
    dest->addr[1] = src->addr[1];
    dest->addr[2] = src->addr[2];
    dest->addr[3] = src->addr[3];*/
  }
  
  int
  ip_addr_isany(struct ip_addr *addr)
  {
    if (addr == NULL) return 1;
    return((addr->addr[0] | addr->addr[1] | addr->addr[2] | addr->addr[3]) == 0);
  }
  
  
  /*#if IP_DEBUG*/
  void
  ip_addr_debug_print(struct ip_addr *addr)
  {
    printf("%lx:%lx:%lx:%lx:%lx:%lx:%lx:%lx",
           ntohl(addr->addr[0]) >> 16 & 0xffff,
           ntohl(addr->addr[0]) & 0xffff,
           ntohl(addr->addr[1]) >> 16 & 0xffff,
           ntohl(addr->addr[1]) & 0xffff,
           ntohl(addr->addr[2]) >> 16 & 0xffff,
           ntohl(addr->addr[2]) & 0xffff,
           ntohl(addr->addr[3]) >> 16 & 0xffff,
           ntohl(addr->addr[3]) & 0xffff);
  }
  /*#endif*/ /* IP_DEBUG */
  
  