5cb49e8b07
* msp430: fix "implicit declaration of function" warnings in clock.c, by including watchdog.h;
* sky: fix a couple pointer target signedness warnings;
* core: fix several signed/unsigned comparison warnings;
* framer-802154: "const static" -> "static const" to fix compiler warnings;
* core: comment or remove unused variables and function definitions.
Signed-off-by: Lionel Debroux <lionel_debroux@yahoo.fr>
Signed-off-by: Mariano Alvira <mar@devl.org>
135 lines
3.7 KiB
C
135 lines
3.7 KiB
C
/*
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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 and the Contiki operating system.
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*
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* $Id: uiplib.c,v 1.3 2010/12/14 22:45:22 dak664 Exp $
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*
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*/
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#include "net/uip.h"
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#include "net/uiplib.h"
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#include <string.h>
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#define DEBUG DEBUG_NONE
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#include "net/uip-debug.h"
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/*-----------------------------------------------------------------------------------*/
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int
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uiplib_ipaddrconv(const char *addrstr, uip_ipaddr_t *ipaddr)
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{
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#if UIP_CONF_IPV6
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uint16_t value;
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int tmp, zero;
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unsigned int len;
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char c = 0; //gcc warning if not initialized
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value = 0;
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zero = -1;
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for(len = 0; len < sizeof(uip_ipaddr_t) - 1; addrstr++) {
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c = *addrstr;
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if(c == ':' || c == '\0') {
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ipaddr->u8[len] = (value >> 8) & 0xff;
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ipaddr->u8[len + 1] = value & 0xff;
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len += 2;
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value = 0;
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if(c == '\0') {
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break;
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}
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if(*(addrstr + 1) == ':') {
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/* Zero compression */
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if(zero < 0) {
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zero = len;
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}
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addrstr++;
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}
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} else {
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if(c >= '0' && c <= '9') {
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tmp = c - '0';
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} else if(c >= 'a' && c <= 'f') {
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tmp = c - 'a' + 10;
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} else if(c >= 'A' && c <= 'F') {
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tmp = c - 'A' + 10;
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} else {
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PRINTF("uiplib: illegal char: '%c'\n", c);
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return 0;
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}
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value = (value << 4) + (tmp & 0xf);
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}
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}
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if(c != '\0') {
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PRINTF("uiplib: too large address\n");
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return 0;
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}
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if(len < sizeof(uip_ipaddr_t)) {
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if(zero < 0) {
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PRINTF("uiplib: too short address\n");
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return 0;
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}
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memmove(&ipaddr->u8[zero + sizeof(uip_ipaddr_t) - len],
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&ipaddr->u8[zero], len - zero);
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memset(&ipaddr->u8[zero], 0, sizeof(uip_ipaddr_t) - len);
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}
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#else /* UIP_CONF_IPV6 */
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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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tmp = 0;
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for(i = 0; i < 4; ++i) {
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j = 0;
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do {
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c = *addrstr;
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++j;
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if(j > 4) {
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return 0;
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}
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if(c == '.' || c == 0) {
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ipaddr->u8[i] = tmp;
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tmp = 0;
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} else if(c >= '0' && c <= '9') {
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tmp = (tmp * 10) + (c - '0');
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} else {
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return 0;
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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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#endif /* UIP_CONF_IPV6 */
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return 1;
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}
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/*-----------------------------------------------------------------------------------*/
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