nes-proj/core/net/rime/rimeaddr.c

86 lines
2.8 KiB
C

/**
* \addtogroup rimeaddr
* @{
*/
/*
* Copyright (c) 2007, 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. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 Contiki operating system.
*
*/
/**
* \file
* Functions for manipulating Rime addresses
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "net/rime/rimeaddr.h"
rimeaddr_t rimeaddr_node_addr;
#if RIMEADDR_SIZE == 2
const rimeaddr_t rimeaddr_null = { { 0, 0 } };
#else /*RIMEADDR_SIZE == 2*/
#if RIMEADDR_SIZE == 8
const rimeaddr_t rimeaddr_null = { { 0, 0, 0, 0, 0, 0, 0, 0 } };
#endif /*RIMEADDR_SIZE == 8*/
#endif /*RIMEADDR_SIZE == 2*/
/*---------------------------------------------------------------------------*/
void
rimeaddr_copy(rimeaddr_t *dest, const rimeaddr_t *src)
{
uint8_t i;
for(i = 0; i < RIMEADDR_SIZE; i++) {
dest->u8[i] = src->u8[i];
}
}
/*---------------------------------------------------------------------------*/
int
rimeaddr_cmp(const rimeaddr_t *addr1, const rimeaddr_t *addr2)
{
uint8_t i;
for(i = 0; i < RIMEADDR_SIZE; i++) {
if(addr1->u8[i] != addr2->u8[i]) {
return 0;
}
}
return 1;
}
/*---------------------------------------------------------------------------*/
void
rimeaddr_set_node_addr(rimeaddr_t *t)
{
rimeaddr_copy(&rimeaddr_node_addr, t);
}
/*---------------------------------------------------------------------------*/
/** @} */