sysdeps/mach/hurd/gethostname.c

   1 /* Copyright (C) 1991, 92, 93, 94, 95, 96 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <unistd.h>
  21 #include "hurdhost.h"
  22
  23 /* Put the name of the current host in no more than LEN bytes of NAME.
  24    The result is null-terminated if LEN is large enough for the full
  25    name and the terminator.  */
  26 int
  27 DEFUN(__gethostname, (name, len),
  28       char *name AND size_t len)
  29 {
  30   /* The host name is just the contents of the file /etc/hostname.  */
  31   ssize_t n = _hurd_get_host_config ("/etc/hostname", name, len);
  32   return n < 0 ? -1 : 0;
  33 }
  34
  35 weak_alias (__gethostname, gethostname)