63 lines
4.0 KiB
C
63 lines
4.0 KiB
C
/*****************************************************************************\
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* efs - General purpose Embedded Filesystem library *
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* --------------------- ----------------------------------- *
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* *
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* Filename : fat.h *
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* Description : Headerfile for fat.c The files are an extend of the fs.c fs.h *
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* pair. *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; version 2 *
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* of the License. *
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*
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* As a special exception, if other files instantiate templates or *
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* use macros or inline functions from this file, or you compile this *
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* file and link it with other works to produce a work based on this file, *
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* this file does not by itself cause the resulting work to be covered *
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* by the GNU General Public License. However the source code for this *
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* file must still be made available in accordance with section (3) of *
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* the GNU General Public License. *
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* *
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* This exception does not invalidate any other reasons why a work based *
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* on this file might be covered by the GNU General Public License. *
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* *
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* (c)2006 Lennart Yseboodt *
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* (c)2006 Michael De Nil *
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\*****************************************************************************/
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#ifndef __FAT_H_
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#define __FAT_H_
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/*****************************************************************************/
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#include "config.h"
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#include "error.h"
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#include "file.h"
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#include "debug.h"
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#include "types.h"
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/*****************************************************************************/
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euint32 fat_getSectorAddressFatEntry(FileSystem *fs,euint32 cluster_addr);
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euint32 fat_getNextClusterAddress(FileSystem *fs, euint32 cluster_addr, euint16 *linear);
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void fat_setNextClusterAddress(FileSystem *fs,euint32 cluster_addr,euint32 next_cluster_addr);
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eint16 fat_isEocMarker(FileSystem *fs,euint32 fat_entry);
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euint32 fat_giveEocMarker(FileSystem *fs);
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euint32 fat_findClusterAddress(FileSystem *fs,euint32 cluster,euint32 offset, euint8 *linear);
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euint32 fat_getNextClusterAddressWBuf(FileSystem *fs,euint32 cluster_addr, euint8 * buf);
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void fat_setNextClusterAddressWBuf(FileSystem *fs,euint32 cluster_addr,euint32 next_cluster_addr,euint8 * buf);
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esint16 fat_getNextClusterChain(FileSystem *fs, ClusterChain *Cache);
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void fat_bogus(void);
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esint16 fat_LogicToDiscCluster(FileSystem *fs, ClusterChain *Cache,euint32 logiccluster);
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eint16 fat_allocClusterChain(FileSystem *fs,ClusterChain *Cache,euint32 num_clusters);
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eint16 fat_unlinkClusterChain(FileSystem *fs,ClusterChain *Cache);
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euint32 fat_countClustersInChain(FileSystem *fs,euint32 firstcluster);
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euint32 fat_DiscToLogicCluster(FileSystem *fs,euint32 firstcluster,euint32 disccluster);
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euint32 fat_countFreeClusters(FileSystem *fs);
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#endif
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