57 lines
2 KiB
C
57 lines
2 KiB
C
/***
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This file is part of systemd.
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Copyright 2014 Tom Gundersen
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <net/ethernet.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include "ether-addr-util.h"
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#include "macro.h"
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char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]) {
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assert(addr);
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assert(buffer);
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/* Like ether_ntoa() but uses %02x instead of %x to print
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* ethernet addresses, which makes them look less funny. Also,
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* doesn't use a static buffer. */
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sprintf(buffer, "%02x:%02x:%02x:%02x:%02x:%02x",
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addr->ether_addr_octet[0],
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addr->ether_addr_octet[1],
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addr->ether_addr_octet[2],
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addr->ether_addr_octet[3],
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addr->ether_addr_octet[4],
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addr->ether_addr_octet[5]);
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return buffer;
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}
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bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) {
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assert(a);
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assert(b);
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return a->ether_addr_octet[0] == b->ether_addr_octet[0] &&
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a->ether_addr_octet[1] == b->ether_addr_octet[1] &&
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a->ether_addr_octet[2] == b->ether_addr_octet[2] &&
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a->ether_addr_octet[3] == b->ether_addr_octet[3] &&
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a->ether_addr_octet[4] == b->ether_addr_octet[4] &&
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a->ether_addr_octet[5] == b->ether_addr_octet[5];
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}
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