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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [ethernet/] [FreeRTOS-uIP/] [uiplib.c] - Rev 867
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/* * 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 2 2011-07-17 20:13:17Z filepang@gmail.com $ * */ #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; } /*-----------------------------------------------------------------------------------*/
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