sysdeps/mach/hurd/gethostname.c

   1 /* Copyright (C) 1991-2014 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    <http://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
  25 __gethostname (name, len)
  26      char *name;
  27      size_t len;
  28 {
  29   /* The host name is just the contents of the file /etc/hostname.  */
  30   ssize_t n = _hurd_get_host_config ("/etc/hostname", name, len);
  31   return n < 0 ? -1 : 0;
  32 }
  33
  34 weak_alias (__gethostname, gethostname)