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49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS File System Recognizer
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* FILE: drivers/filesystems/fs_rec/ext2.h
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* PURPOSE: EXT2 Header File
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* PROGRAMMER: Pierre Schweitzer (pierre@reactos.org)
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*/
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#include <pshpack1.h>
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typedef struct _EXT2_SUPER_BLOCK {
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ULONG InodesCount;
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ULONG BlocksCount;
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ULONG ReservedBlocksCount;
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ULONG FreeBlocksCount;
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ULONG FreeInodesCount;
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ULONG FirstDataBlock;
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ULONG LogBlockSize;
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LONG LogFragSize;
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ULONG BlocksPerGroup;
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ULONG FragsPerGroup;
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ULONG InodesPerGroup;
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ULONG MountTime;
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ULONG WriteTime;
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USHORT MountCount;
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SHORT MaxMountCount;
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USHORT Magic;
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USHORT State;
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USHORT Errors;
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USHORT MinorRevLevel;
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ULONG LastCheck;
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ULONG CheckInterval;
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ULONG CreatorOS;
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ULONG RevLevel;
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USHORT DefResUid;
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USHORT DefResGid;
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// Partial
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} EXT2_SUPER_BLOCK, *PEXT2_SUPER_BLOCK;
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#include <poppack.h>
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C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, FreeInodesCount) == 0x10);
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C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, BlocksPerGroup) == 0x20);
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C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, WriteTime) == 0x30);
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C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, LastCheck) == 0x40);
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C_ASSERT(FIELD_OFFSET(EXT2_SUPER_BLOCK, DefResUid) == 0x50);
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#define EXT2_SUPER_MAGIC 0xEF53
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#define EXT2_SB_OFFSET 0x400
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#define EXT2_SB_SIZE 0x400
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