| 1 |
/* |
|---|
| 2 |
* Copyright (c) 2004, Adam Dunkels and the Swedish Institute of |
|---|
| 3 |
* Computer Science. |
|---|
| 4 |
* All rights reserved. |
|---|
| 5 |
* |
|---|
| 6 |
* Redistribution and use in source and binary forms, with or without |
|---|
| 7 |
* modification, are permitted provided that the following conditions |
|---|
| 8 |
* are met: |
|---|
| 9 |
* 1. Redistributions of source code must retain the above copyright |
|---|
| 10 |
* notice, this list of conditions and the following disclaimer. |
|---|
| 11 |
* 2. Redistributions in binary form must reproduce the above copyright |
|---|
| 12 |
* notice, this list of conditions and the following disclaimer in the |
|---|
| 13 |
* documentation and/or other materials provided with the distribution. |
|---|
| 14 |
* 3. The name of the author may not be used to endorse or promote |
|---|
| 15 |
* products derived from this software without specific prior |
|---|
| 16 |
* written permission. |
|---|
| 17 |
* |
|---|
| 18 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
|---|
| 19 |
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
|---|
| 20 |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|---|
| 21 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
|---|
| 22 |
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
|---|
| 23 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
|---|
| 24 |
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
|---|
| 25 |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
|---|
| 26 |
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
|---|
| 27 |
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
|---|
| 28 |
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|---|
| 29 |
* |
|---|
| 30 |
* This file is part of the uIP TCP/IP stack |
|---|
| 31 |
* |
|---|
| 32 |
* $Id: uiplib.c,v 1.2 2006/06/12 08:00:31 adam Exp $ |
|---|
| 33 |
* |
|---|
| 34 |
*/ |
|---|
| 35 |
|
|---|
| 36 |
|
|---|
| 37 |
#include "uip.h" |
|---|
| 38 |
#include "uiplib.h" |
|---|
| 39 |
|
|---|
| 40 |
|
|---|
| 41 |
/*-----------------------------------------------------------------------------------*/ |
|---|
| 42 |
unsigned char |
|---|
| 43 |
uiplib_ipaddrconv(char *addrstr, unsigned char *ipaddr) |
|---|
| 44 |
{ |
|---|
| 45 |
unsigned char tmp; |
|---|
| 46 |
char c; |
|---|
| 47 |
unsigned char i, j; |
|---|
| 48 |
|
|---|
| 49 |
tmp = 0; |
|---|
| 50 |
|
|---|
| 51 |
for(i = 0; i < 4; ++i) { |
|---|
| 52 |
j = 0; |
|---|
| 53 |
do { |
|---|
| 54 |
c = *addrstr; |
|---|
| 55 |
++j; |
|---|
| 56 |
if(j > 4) { |
|---|
| 57 |
return 0; |
|---|
| 58 |
} |
|---|
| 59 |
if(c == '.' || c == 0) { |
|---|
| 60 |
*ipaddr = tmp; |
|---|
| 61 |
++ipaddr; |
|---|
| 62 |
tmp = 0; |
|---|
| 63 |
} else if(c >= '0' && c <= '9') { |
|---|
| 64 |
tmp = (tmp * 10) + (c - '0'); |
|---|
| 65 |
} else { |
|---|
| 66 |
return 0; |
|---|
| 67 |
} |
|---|
| 68 |
++addrstr; |
|---|
| 69 |
} while(c != '.' && c != 0); |
|---|
| 70 |
} |
|---|
| 71 |
return 1; |
|---|
| 72 |
} |
|---|
| 73 |
|
|---|
| 74 |
/*-----------------------------------------------------------------------------------*/ |
|---|
