/*
 *  This file is part of ixemul.library for the Amiga.
 *  Copyright (C) 1991, 1992  Markus M. Wild
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  createextio.c,v 1.1.1.1 1994/04/04 04:30:43 amiga Exp
 *
 *  createextio.c,v
 * Revision 1.1.1.1  1994/04/04  04:30:43  amiga
 * Initial CVS check in.
 *
 *  Revision 1.1  1992/05/14  19:55:40  mwild
 *  Initial revision
 *
 */

#define _KERNEL
#include "ixemul.h"
#include <exec/io.h>
#include <string.h>

struct IORequest *
ix_create_extio(struct MsgPort *ioReplyPort, long size)
{
  struct IORequest *ioReq;

  if (! ioReplyPort ||
      size < sizeof(struct Message)) return NULL;

  ioReq = (struct IORequest *) kmalloc (size);
  if (! ioReq) return NULL;

  memset(ioReq, '\0', size < sizeof(struct IORequest) ? size : sizeof(struct IORequest));

  ioReq->io_Message.mn_Node.ln_Type = NT_REPLYMSG;
  ioReq->io_Message.mn_ReplyPort    = ioReplyPort;
  ioReq->io_Message.mn_Length       = size;

  return ioReq;
}