[164] | 1 | /*
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| 2 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without modification,
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| 6 | * are permitted provided that the following conditions are met:
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| 7 | *
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| 8 | * 1. Redistributions of source code must retain the above copyright notice,
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| 9 | * this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 11 | * this list of conditions and the following disclaimer in the documentation
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| 12 | * and/or other materials provided with the distribution.
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| 13 | * 3. The name of the author may not be used to endorse or promote products
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| 14 | * derived from this software without specific prior written permission.
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| 15 | *
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 25 | * OF SUCH DAMAGE.
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| 26 | *
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| 27 | * This file is part of the lwIP TCP/IP stack.
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| 28 | *
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| 29 | * Author: Adam Dunkels <adam@sics.se>
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| 30 | *
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| 31 | */
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| 32 |
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| 33 | #include "lwip/opt.h"
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| 34 | #include "lwip/ip_addr.h"
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| 35 | #include "lwip/inet.h"
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| 36 |
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| 37 | u8_t
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| 38 | ip_addr_netcmp(struct ip_addr *addr1, struct ip_addr *addr2,
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| 39 | struct ip_addr *mask)
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| 40 | {
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| 41 | return((addr1->addr[0] & mask->addr[0]) == (addr2->addr[0] & mask->addr[0]) &&
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| 42 | (addr1->addr[1] & mask->addr[1]) == (addr2->addr[1] & mask->addr[1]) &&
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| 43 | (addr1->addr[2] & mask->addr[2]) == (addr2->addr[2] & mask->addr[2]) &&
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| 44 | (addr1->addr[3] & mask->addr[3]) == (addr2->addr[3] & mask->addr[3]));
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| 45 |
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| 46 | }
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| 47 |
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| 48 | u8_t
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| 49 | ip_addr_cmp(struct ip_addr *addr1, struct ip_addr *addr2)
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| 50 | {
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| 51 | return(addr1->addr[0] == addr2->addr[0] &&
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| 52 | addr1->addr[1] == addr2->addr[1] &&
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| 53 | addr1->addr[2] == addr2->addr[2] &&
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| 54 | addr1->addr[3] == addr2->addr[3]);
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| 55 | }
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| 56 |
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| 57 | void
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| 58 | ip_addr_set(struct ip_addr *dest, struct ip_addr *src)
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| 59 | {
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| 60 | SMEMCPY(dest, src, sizeof(struct ip_addr));
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| 61 | /* dest->addr[0] = src->addr[0];
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| 62 | dest->addr[1] = src->addr[1];
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| 63 | dest->addr[2] = src->addr[2];
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| 64 | dest->addr[3] = src->addr[3];*/
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| 65 | }
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| 66 |
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| 67 | u8_t
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| 68 | ip_addr_isany(struct ip_addr *addr)
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| 69 | {
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| 70 | if (addr == NULL) return 1;
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| 71 | return((addr->addr[0] | addr->addr[1] | addr->addr[2] | addr->addr[3]) == 0);
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| 72 | }
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