glibc/sysdeps/mach/hurd/gethostname.c

35 lines
1.2 KiB
C

/* Copyright (C) 1991-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include "hurdhost.h"
/* Put the name of the current host in no more than LEN bytes of NAME.
The result is null-terminated if LEN is large enough for the full
name and the terminator. */
int
__gethostname (name, len)
char *name;
size_t len;
{
/* The host name is just the contents of the file /etc/hostname. */
ssize_t n = _hurd_get_host_config ("/etc/hostname", name, len);
return n < 0 ? -1 : 0;
}
weak_alias (__gethostname, gethostname)