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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37 | #include "net/ip/uip.h"
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38 | #include "net/ip/uiplib.h"
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39 |
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40 |
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41 | /*-----------------------------------------------------------------------------------*/
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42 | int
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43 | uiplib_ipaddrconv(const char *addrstr, uip_ipaddr_t *ipaddr)
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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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60 | ipaddr->u8[i] = tmp;
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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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