| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 |
| * COPYRIGHT OWNER 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. |
| */ |
| |
| #include<netinet/ether.h> |
| |
| #include<stdio.h> |
| |
| ether_addr* ether_aton_r(constchar* asc, ether_addr* addr){ |
| int bytes[ETHER_ADDR_LEN], end; |
| int n= sscanf(asc,"%x:%x:%x:%x:%x:%x%n", |
| &bytes[0],&bytes[1],&bytes[2], |
| &bytes[3],&bytes[4],&bytes[5],&end); |
| if(n!= ETHER_ADDR_LEN|| asc[end]!='\0')return NULL; |
| for(int i=0; i< ETHER_ADDR_LEN; i++){ |
| if(bytes[i]>0xff)return NULL; |
| addr->ether_addr_octet[i]= bytes[i]; |
| } |
| return addr; |
| } |
| |
| struct ether_addr* ether_aton(constchar* asc){ |
| static ether_addr addr; |
| return ether_aton_r(asc,&addr); |
| } |
| |
| char* ether_ntoa_r(const ether_addr* addr,char* buf){ |
| snprintf(buf,18,"%02x:%02x:%02x:%02x:%02x:%02x", |
| addr->ether_addr_octet[0], addr->ether_addr_octet[1], |
| addr->ether_addr_octet[2], addr->ether_addr_octet[3], |
| addr->ether_addr_octet[4], addr->ether_addr_octet[5]); |
| return buf; |
| } |
| |
| char* ether_ntoa(const ether_addr* addr){ |
| staticchar buf[18]; |
| return ether_ntoa_r(addr, buf); |
| } |
