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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 2013 Lennart Poettering | |
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 <sys/socket.h> | |
23 | #include <string.h> | |
24 | ||
25 | #include "util.h" | |
26 | #include "af-list.h" | |
27 | ||
28 | static const struct af_name* lookup_af(register const char *str, register unsigned int len); | |
29 | ||
30 | #include "af-to-name.h" | |
31 | #include "af-from-name.h" | |
32 | ||
33 | const char *af_to_name(int id) { | |
34 | ||
35 | if (id <= 0) | |
36 | return NULL; | |
37 | ||
38 | if (id >= (int) ELEMENTSOF(af_names)) | |
39 | return NULL; | |
40 | ||
41 | return af_names[id]; | |
42 | } | |
43 | ||
44 | int af_from_name(const char *name) { | |
45 | const struct af_name *sc; | |
46 | ||
47 | assert(name); | |
48 | ||
49 | sc = lookup_af(name, strlen(name)); | |
50 | if (!sc) | |
51 | return AF_UNSPEC; | |
52 | ||
53 | return sc->id; | |
54 | } | |
55 | ||
56 | int af_max(void) { | |
57 | return ELEMENTSOF(af_names); | |
58 | } |