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/***
This file is part of systemd.
Copyright 2014 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <net/if_arp.h>
#include <string.h>
#include "arphrd-list.h"
#include "macro.h"
static const struct arphrd_name* lookup_arphrd(register const char *str, register GPERF_LEN_TYPE len);
#include "arphrd-from-name.h"
#include "arphrd-to-name.h"
const char *arphrd_to_name(int id) {
if (id <= 0)
return NULL;
if (id >= (int) ELEMENTSOF(arphrd_names))
return NULL;
return arphrd_names[id];
}
int arphrd_from_name(const char *name) {
const struct arphrd_name *sc;
assert(name);
sc = lookup_arphrd(name, strlen(name));
if (!sc)
return 0;
return sc->id;
}
int arphrd_max(void) {
return ELEMENTSOF(arphrd_names);
}
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