sysdeps/mach/hurd/sethostname.c

   1 /* Copyright (C) 1991, 92, 93, 94, 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 /* Set the name of the current host to NAME, which is LEN bytes long.
  24    This call is restricted to the super-user.  */
  25 int
  26 DEFUN(sethostname, (name, len),
  27       CONST char *name AND size_t len)
  28 {
  29   /* The host name is just the contents of the file /etc/hostname.  */
  30   ssize_t n = _hurd_set_host_config ("/etc/hostname", name, len);
  31   return n < 0 ? -1 : 0;
  32 }