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/* |
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* Copyright (c) 2004, Adam Dunkels and the Swedish Institute of |
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* Computer Science. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* This file is part of the uIP TCP/IP stack |
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* |
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* $Id: uiplib.c,v 1.2 2006/06/12 08:00:31 adam Exp $ |
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* |
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*/ |
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#include "uip.h" |
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#include "uiplib.h" |
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|
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/*-----------------------------------------------------------------------------------*/ |
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unsigned char uiplib_ipaddrconv( char *addrstr, unsigned char *ipaddr ) |
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{ |
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unsigned char tmp; |
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char c; |
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unsigned char i, j; |
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|
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tmp = 0; |
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|
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for( i = 0; i < 4; ++i ) |
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{ |
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j = 0; |
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do |
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{ |
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c = *addrstr; |
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++j; |
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if( j > 4 ) |
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{ |
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return 0; |
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} |
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|
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if( c == '.' || c == 0 ) |
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{ |
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*ipaddr = tmp; |
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++ipaddr; |
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tmp = 0; |
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} |
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else if( c >= '0' && c <= '9' ) |
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{ |
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tmp = ( tmp * 10 ) + ( c - '0' ); |
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} |
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else |
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{ |
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return 0; |
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} |
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|
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++addrstr; |
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} while( c != '.' && c != 0 ); |
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} |
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return 1; |
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} |
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|
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/*-----------------------------------------------------------------------------------*/ |
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