firmware/export/mv.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2008 by Frank Gevaerts
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef __MV_H__
  23 #define __MV_H__
  24
  25 #include "config.h"
  26
  27 /* FixMe: These macros are a bit nasty and perhaps misplaced here.
  28    We'll get rid of them once decided on how to proceed with multivolume. */
  29
  30 /* Drives are things like a disk, a card, a flash chip. They can have volumes on them */
  31 #ifdef HAVE_MULTIDRIVE
  32 #define IF_MD(x) x /* optional drive parameter */
  33 #define IF_MD2(x,y) x,y /* same, for a list of arguments */
  34 #define IF_MD_NONVOID(x) x /* for prototype with sole volume parameter */
  35 #else /* empty definitions if no multi-drive */
  36 #define IF_MD(x)
  37 #define IF_MD2(x,y)
  38 #define IF_MD_NONVOID(x) void
  39 #endif
  40
  41 /* Volumes mean things that have filesystems on them, like partitions */
  42 #ifdef HAVE_MULTIVOLUME
  43 #define IF_MV(x) x /* optional volume parameter */
  44 #define IF_MV2(x,y) x,y /* same, for a list of arguments */
  45 #define IF_MV_NONVOID(x) x /* for prototype with sole volume parameter */
  46 #else /* empty definitions if no multi-volume */
  47 #define IF_MV(x)
  48 #define IF_MV2(x,y)
  49 #define IF_MV_NONVOID(x) void
  50 #endif
  51
  52
  53 #endif