/*
* 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(const char * 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] > 0 xff) return NULL;
addr->ether_addr_octet[i] = bytes[i];
}
return addr;
}
struct ether_addr* ether_aton(const char * 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) {
static char buf[18 ];
return ether_ntoa_r(addr, buf);
}
Messung V0.5 in Prozent C=92 H=96 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-28)
¤
*© Formatika GbR, Deutschland