1 /* Copyright (C) 1991-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <unistd.h>
19 #include "hurdhost.h"
20
21 /* Put the name of the current host in no more than LEN bytes of NAME.
22 The result is null-terminated if LEN is large enough for the full
23 name and the terminator. */
24 int
__gethostname(char * name,size_t len)25 __gethostname (char *name, size_t len)
26 {
27 /* The host name is just the contents of the file /etc/hostname. */
28 ssize_t n = _hurd_get_host_config ("/etc/hostname", name, len);
29 return n < 0 ? -1 : 0;
30 }
31
32 weak_alias (__gethostname, gethostname)
33