| /* | |
| * 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; | |
| } | |
| /*-----------------------------------------------------------------------------------*/ |