mirror of https://github.com/pbatard/rufus.git
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, Inc., 53 Temple Place Ste 330,
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* Boston MA 02111-1307, USA; either version 2 of the License, or
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* (at your option) any later version; incorporated herein by reference.
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*
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* ----------------------------------------------------------------------- */
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/*
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* libfatint.h
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*
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* Internals for the libfat filesystem
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*/
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#ifndef LIBFATINT_H
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#define LIBFATINT_H
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#include "libfat.h"
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#include "fat.h"
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#if defined(__GNUC__)
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#define ALIGN_START(m)
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#define ALIGN_END(m) __attribute__ ((__aligned__(m)))
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#elif defined(_MSC_VER)
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#define ALIGN_START(m) __declspec(align(m))
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#define ALIGN_END(m)
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#endif
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ALIGN_START(16) struct libfat_sector {
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libfat_sector_t n; /* Sector number */
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struct libfat_sector *next; /* Next in list */
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/* data[0] MUST be aligned to at least 8 bytes - see cache.c */
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ALIGN_START(16) char data[0] ALIGN_END(16);
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} ALIGN_END(16);
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enum fat_type {
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FAT12,
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FAT16,
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FAT28
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};
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struct libfat_filesystem {
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int (*read) (intptr_t, void *, size_t, libfat_sector_t);
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intptr_t readptr;
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enum fat_type fat_type;
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unsigned int clustsize;
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int clustshift;
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int32_t endcluster; /* Highest legal cluster number + 1 */
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int32_t rootcluster; /* Root directory cluster */
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libfat_sector_t fat; /* Start of FAT */
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libfat_sector_t rootdir; /* Start of root directory */
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libfat_sector_t data; /* Start of data area */
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libfat_sector_t end; /* End of filesystem */
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struct libfat_sector *sectors;
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};
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#endif /* LIBFATINT_H */
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