[101] | 1 | /*
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| 2 | * Copyright (c) 2004, Adam Dunkels and the Swedish Institute of
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| 3 | * Computer Science.
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | * 1. Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * 2. Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * 3. The name of the author may not be used to endorse or promote
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| 15 | * products derived from this software without specific prior
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| 16 | * written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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| 19 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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| 22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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| 24 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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| 26 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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| 27 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 28 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 29 | *
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| 30 | * This file is part of the uIP TCP/IP stack
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| 31 | *
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| 32 | * $Id: uiplib.c 262 2016-11-18 05:58:30Z coas-nagasima $
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| 33 | *
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| 34 | */
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| 35 |
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| 36 |
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[158] | 37 | #include "net/ip/uip.h"
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| 38 | #include "net/ip/uiplib.h"
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[101] | 39 |
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| 40 |
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| 41 | /*-----------------------------------------------------------------------------------*/
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[262] | 42 | int
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| 43 | uiplib_ipaddrconv(const char *addrstr, uip_ipaddr_t *ipaddr)
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[101] | 44 | {
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| 45 | unsigned char tmp;
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| 46 | char c;
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| 47 | unsigned char i, j;
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| 48 |
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| 49 | tmp = 0;
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| 50 |
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| 51 | for(i = 0; i < 4; ++i) {
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| 52 | j = 0;
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| 53 | do {
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| 54 | c = *addrstr;
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| 55 | ++j;
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| 56 | if(j > 4) {
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| 57 | return 0;
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| 58 | }
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| 59 | if(c == '.' || c == 0) {
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[262] | 60 | ipaddr->u8[i] = tmp;
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[101] | 61 | tmp = 0;
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| 62 | } else if(c >= '0' && c <= '9') {
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| 63 | tmp = (tmp * 10) + (c - '0');
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| 64 | } else {
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| 65 | return 0;
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| 66 | }
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| 67 | ++addrstr;
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| 68 | } while(c != '.' && c != 0);
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| 69 | }
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| 70 | return 1;
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| 71 | }
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| 72 |
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| 73 | /*-----------------------------------------------------------------------------------*/
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