diff options
Diffstat (limited to 'src/basic/arphrd-list.c')
-rw-r--r-- | src/basic/arphrd-list.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/basic/arphrd-list.c b/src/basic/arphrd-list.c new file mode 100644 index 0000000000..284043cd90 --- /dev/null +++ b/src/basic/arphrd-list.c @@ -0,0 +1,58 @@ +/*-*- 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 <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); +} |