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663996b3 MS |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
60f067b4 | 4 | Copyright 2013 Lennart Poettering |
663996b3 MS |
5 | |
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
663996b3 | 20 | #include <string.h> |
db2df898 | 21 | #include <sys/socket.h> |
663996b3 | 22 | |
60f067b4 | 23 | #include "af-list.h" |
4c89c718 | 24 | #include "macro.h" |
663996b3 | 25 | |
60f067b4 | 26 | static const struct af_name* lookup_af(register const char *str, register unsigned int len); |
663996b3 | 27 | |
60f067b4 | 28 | #include "af-from-name.h" |
db2df898 | 29 | #include "af-to-name.h" |
663996b3 | 30 | |
60f067b4 | 31 | const char *af_to_name(int id) { |
663996b3 | 32 | |
60f067b4 | 33 | if (id <= 0) |
663996b3 MS |
34 | return NULL; |
35 | ||
60f067b4 JS |
36 | if (id >= (int) ELEMENTSOF(af_names)) |
37 | return NULL; | |
38 | ||
39 | return af_names[id]; | |
663996b3 MS |
40 | } |
41 | ||
60f067b4 JS |
42 | int af_from_name(const char *name) { |
43 | const struct af_name *sc; | |
663996b3 MS |
44 | |
45 | assert(name); | |
46 | ||
60f067b4 | 47 | sc = lookup_af(name, strlen(name)); |
663996b3 | 48 | if (!sc) |
60f067b4 | 49 | return AF_UNSPEC; |
663996b3 MS |
50 | |
51 | return sc->id; | |
52 | } | |
53 | ||
60f067b4 JS |
54 | int af_max(void) { |
55 | return ELEMENTSOF(af_names); | |
663996b3 | 56 | } |