sysdeps/mach/hurd/sethostname.c

   1 /* Copyright (C) 1991, 92, 93, 94, 96, 97 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <unistd.h>
  20 #include "hurdhost.h"
  21
  22 /* Set the name of the current host to NAME, which is LEN bytes long.
  23    This call is restricted to the super-user.  */
  24 /* XXX should be __sethostname ? */
  25 int
  26 sethostname (name, len)
  27      const char *name;
  28      size_t len;
  29 {
  30   /* The host name is just the contents of the file /etc/hostname.  */
  31   ssize_t n = _hurd_set_host_config ("/etc/hostname", name, len);
  32   return n < 0 ? -1 : 0;
  33 }