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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Tom Gundersen | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <stdio.h> | |
23 | ||
24 | #include "ether-addr-util.h" | |
25 | #include "macro.h" | |
26 | ||
27 | char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]) { | |
28 | assert(addr); | |
29 | assert(buffer); | |
30 | ||
31 | /* Like ether_ntoa() but uses %02x instead of %x to print | |
32 | * ethernet addresses, which makes them look less funny. Also, | |
33 | * doesn't use a static buffer. */ | |
34 | ||
35 | sprintf(buffer, "%02x:%02x:%02x:%02x:%02x:%02x", | |
36 | addr->ether_addr_octet[0], | |
37 | addr->ether_addr_octet[1], | |
38 | addr->ether_addr_octet[2], | |
39 | addr->ether_addr_octet[3], | |
40 | addr->ether_addr_octet[4], | |
41 | addr->ether_addr_octet[5]); | |
42 | ||
43 | return buffer; | |
44 | } |