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path: root/libfshelp/start-translator.c
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/* 
   Copyright (C) 1995, 1996 Free Software Foundation, Inc.
   Written by Michael I. Bushnell.

   This file is part of the GNU Hurd.

   The GNU Hurd is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2, or (at
   your option) any later version.

   The GNU Hurd 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
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */

#include "fshelp.h"
#include <unistd.h>
#include <string.h>
#include <hurd.h>

error_t
fshelp_start_translator (fshelp_open_fn_t underlying_open_fn,
			 char *name, char *argz, int argz_len,
			 int timeout, fsys_t *control)
{
  mach_port_t ports[INIT_PORT_MAX];
  mach_port_t fds[STDERR_FILENO + 1];
  int ints[INIT_INT_MAX];
  int i;
  error_t err;
  
  for (i = 0; i < INIT_PORT_MAX; i++)
    ports[i] = MACH_PORT_NULL;
  for (i = 0; i < STDERR_FILENO + 1; i++)
    fds[i] = MACH_PORT_NULL;
  bzero (ints, INIT_INT_MAX * sizeof (int));
  
  ports[INIT_PORT_CWDIR] = getcwdir ();
  ports[INIT_PORT_CRDIR] = getcrdir ();
  ports[INIT_PORT_AUTH] = getauth ();
  fds[STDERR_FILENO] = getdport (STDERR_FILENO);
  
  err = fshelp_start_translator_long (underlying_open_fn,
				      name, argz, argz_len,
				      fds, MACH_MSG_TYPE_COPY_SEND,
				      STDERR_FILENO + 1,
				      ports, MACH_MSG_TYPE_COPY_SEND,
				      INIT_PORT_MAX,
				      ints, INIT_INT_MAX,
				      timeout, control);
  for (i = 0; i < INIT_PORT_MAX; i++)
    mach_port_deallocate (mach_task_self (), ports[i]);
  for (i = 0; i <= STDERR_FILENO; i++)
    mach_port_deallocate (mach_task_self (), fds[i]);

  return err;
}