1/* 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Adam Dunkels <adam@sics.se> 30 * 31 */ 32 33#include "lwip/opt.h" 34#include "lwip/ip_addr.h" 35#include "lwip/inet.h" 36 37u8_t 38ip_addr_netcmp(struct ip_addr * addr1, struct ip_addr * addr2, 39 struct ip_addr * mask) 40{ 41 return ((addr1->addr[0] & mask->addr[0]) == (addr2->addr[0] & mask->addr[0]) 42 && (addr1->addr[1] & mask->addr[1]) == 43 (addr2->addr[1] & mask->addr[1]) 44 && (addr1->addr[2] & mask->addr[2]) == 45 (addr2->addr[2] & mask->addr[2]) 46 && (addr1->addr[3] & mask->addr[3]) == 47 (addr2->addr[3] & mask->addr[3])); 48 49} 50 51u8_t ip_addr_cmp(struct ip_addr * addr1, struct ip_addr * addr2) 52{ 53 return (addr1->addr[0] == addr2->addr[0] && 54 addr1->addr[1] == addr2->addr[1] && 55 addr1->addr[2] == addr2->addr[2] && 56 addr1->addr[3] == addr2->addr[3]); 57} 58 59void ip_addr_set(struct ip_addr *dest, struct ip_addr *src) 60{ 61 SMEMCPY(dest, src, sizeof(struct ip_addr)); 62 /* dest->addr[0] = src->addr[0]; 63 dest->addr[1] = src->addr[1]; 64 dest->addr[2] = src->addr[2]; 65 dest->addr[3] = src->addr[3]; */ 66} 67 68u8_t ip_addr_isany(struct ip_addr *addr) 69{ 70 if (addr == NULL) 71 return 1; 72 return ((addr->addr[0] | addr->addr[1] | addr->addr[2] | addr->addr[3]) == 73 0); 74} 75