library/amiga_createextio.c
/*
* $Id: amiga_createextio.c,v 1.5 2006-09-25 15:12:47 obarthel Exp $
*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
/****************************************************************************/
#include <proto/exec.h>
#include <clib/alib_protos.h>
/****************************************************************************/
#include "debug.h"
/****************************************************************************/
#if defined(CreateExtIO)
#undef CreateExtIO
#endif /* CreateExtIO */
/****************************************************************************/
struct IORequest * CreateExtIO(CONST struct MsgPort * port, LONG io_size);
/****************************************************************************/
struct IORequest *
CreateExtIO(CONST struct MsgPort * port, LONG io_size)
{
struct IORequest * result = NULL;
assert( port != NULL && io_size > 0 );
if(port == NULL || io_size < (LONG)sizeof(*result))
goto out;
result = CreateIORequest(port,(ULONG)io_size);
out:
return(result);
}