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