62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
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#if ! defined( ODS_DFN )
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#define ODS_DFN
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/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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ods.hxx
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Abstract:
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On disk structures which have classes in ULIB use the types defined
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in this header file.
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Author:
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Mark Shavlik (marks) Nov-90
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Environment:
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Notes:
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Glossary:
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HFL - HotFix list
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BBL - Bad block list
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BMP - Sector mapping HPFS bitmap
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ODS - On disk structure. Any HPFS on disk item, like an Fnode or
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a bitmap.
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Revision History:
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--*/
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typedef ULONG ODS_STATUS;
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// ODS states are defined here to make the mapping of bits easier
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// These ODS states apply to any file system, bits 0-7 reserved for these
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#define ODS_STABLE 0 // ODS has no problems
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#define ODS_CORRUPTED_NO_RECOVERY 1 // corruption not recoverable
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#define ODS_CORRUPTED_SOME_RECOVERY 2 // corruption partially recoverable
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#define ODS_CORRUPTED_FULL_RECOVERY 4 // corruption recoverable
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#define ODS_NOT_READABLE 8 // could not read ODS
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#define ODS_NOT_WRITABLE 0x10 // could not write ODS
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#define ODS_INTERNAL_ERROR 0x20 // code or resource problem
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// These ODS states apply to FAT and HPFS, bits 8-11 resevered for these
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#define ODS_XLINKED 0x100 // sharing sectors with ODS(s)
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// These ODS states apply to HPFS only
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#define ODS_HPFS_HOTFIXED 0x1000 // ODS hotfixed
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#define ODS_HPFS_INBADBLOCKLIST 0x2000 // ODS in bad block list
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#define ODS_HPFS_BITMAP 0x4000 // ODS already marked as in use
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#define ODS_STATUS_UNKNOWN 0xffff
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#endif
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