rockbox/firmware/export/mv.h
Frank Gevaerts c0a5a67387 Commit FS#9545, storage cleanup and multi-driver support
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21933 a1c6a512-1295-4272-9138-f99709370657
2009-07-17 22:28:49 +00:00

53 lines
2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Frank Gevaerts
*
* This program 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
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __MV_H__
#define __MV_H__
#include "config.h"
/* FixMe: These macros are a bit nasty and perhaps misplaced here.
We'll get rid of them once decided on how to proceed with multivolume. */
/* Drives are things like a disk, a card, a flash chip. They can have volumes on them */
#ifdef HAVE_MULTIDRIVE
#define IF_MD(x) x /* optional drive parameter */
#define IF_MD2(x,y) x,y /* same, for a list of arguments */
#define IF_MD_NONVOID(x) x /* for prototype with sole volume parameter */
#else /* empty definitions if no multi-drive */
#define IF_MD(x)
#define IF_MD2(x,y)
#define IF_MD_NONVOID(x) void
#endif
/* Volumes mean things that have filesystems on them, like partitions */
#ifdef HAVE_MULTIVOLUME
#define IF_MV(x) x /* optional volume parameter */
#define IF_MV2(x,y) x,y /* same, for a list of arguments */
#define IF_MV_NONVOID(x) x /* for prototype with sole volume parameter */
#else /* empty definitions if no multi-volume */
#define IF_MV(x)
#define IF_MV2(x,y)
#define IF_MV_NONVOID(x) void
#endif
#endif