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95 lines
3.1 KiB
95 lines
3.1 KiB
/**************************************************************************** |
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* netutils/uiplib/uiplib.c |
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* Various uIP library functions. |
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* |
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* Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr> |
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* |
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* Based on uIP which also has a BSD style license: |
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* |
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* Author: Adam Dunkels <adam@sics.se> |
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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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* |
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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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****************************************************************************/ |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <stdint.h> |
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#include <stdbool.h> |
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#include <nuttx/net/uip/uip.h> |
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#include <apps/netutils/uiplib.h> |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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bool uiplib_ipaddrconv(const char *addrstr, uint8_t *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; |
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unsigned char j; |
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tmp = 0; |
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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 false; |
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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 false; |
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} |
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++addrstr; |
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} |
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while(c != '.' && c != 0); |
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} |
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return true; |
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}
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