socket: Use offsetof in SUN_LEN (bug 29578)
[glibc.git] / support / support_format_address_family.c
blob011cd1133f3d207756e061b4444ea676affa41cf
1 /* Convert an address family to a string.
2 Copyright (C) 2016-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #include <support/format_nss.h>
21 #include <support/support.h>
23 char *
24 support_format_address_family (int family)
26 switch (family)
28 case AF_INET:
29 return xstrdup ("INET");
30 case AF_INET6:
31 return xstrdup ("INET6");
32 case AF_LOCAL:
33 return xstrdup ("LOCAL");
34 case AF_UNSPEC:
35 return xstrdup ("UNSPEC");
36 default:
37 return xasprintf ("<unknown address family %d>", family);