Systemd/src/shared/arphrd-list.c
Lennart Poettering ee8c456895 networkd: add minimal client tool "networkd" to query network status
In the long run this should become a full fledged client to networkd
(but not before networkd learns bus support). For now, just pull
interesting data out of networkd, udev, and rtnl and present it to the
user, in a simple but useful output.
2014-08-12 01:54:40 +02:00

60 lines
1.5 KiB
C

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
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 <sys/socket.h>
#include <string.h>
#include "util.h"
#include "arphrd-list.h"
static const struct arphrd_name* lookup_arphrd(register const char *str, register unsigned int len);
#include "arphrd-to-name.h"
#include "arphrd-from-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);
}