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61 lines
2.5 KiB
61 lines
2.5 KiB
// Copyright (c) 1991-1992 Microsoft Corporation
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/* mmioi.h
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*
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* Definitions that are internal to the MMIO library, i.e. shared by MMIO*.C
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*/
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/* Revision history:
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* LaurieGr: Jan 92 Ported from win16. Source tree fork, not common code.
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* StephenE: Apr 92 added unicode to ascii conversion function prototypes.
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*/
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#include "mmiocf.h"
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#include "mmiocf.h"
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typedef MMIOINFO *PMMIO; // (Win32)
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typedef struct _MMIODOSINFO // How DOS IOProc uses MMIO.adwInfo[]
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{
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int fh; // DOS file handle
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} MMIODOSINFO;
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typedef struct _MMIOMEMINFO // How MEM IOProc uses MMIO.adwInfo[]
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{
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LONG lExpand; // increment to expand mem. files by
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} MMIOMEMINFO;
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typedef struct _MMIOBNDINFO // How BND IOProc uses MMIO.adwInfo[]
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{
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HMMCF hmmcf; // which compound file owns this element
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WORD wPad; // make adwInfo[0] equals <hmmcf>
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LPMMCTOCENTRY pEntry; // pointer to CTOC table entry
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} MMIOBNDINFO;
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typedef struct _MMCF
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{
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HMMIO hmmio; // open file that contains CTOC and CGRP
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LPMMCFINFO pHeader; // ptr. to beginning of CTOC
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WORD cbHeader; // size of CTOC header
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HPSTR pEntries; // ptr. to first CTOC table entry
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HANDLE hmmcfNext; // next CF in list
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HANDLE hmmcfPrev; // previous CF in list
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HANDLE hTask; // handle to task that owns this
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LONG lUsage; // usage count
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WORD wFlags; // random flags
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LONG lTotalExpand; // how much CF expanded (to fix RIFF())
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/* information about each entry */
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WORD wEntrySize; // size of each <CTOC-table-entry>
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WORD wEntFlagsOffset; // offset of <bEntryFlags> in an entry
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WORD wEntNameOffset; // offset of <achName> in an entry
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/* offsets of parts of compound file (relative to start of file) */
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LONG lStartCTOC; // offset of start of CTOC chunk (or -1)
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LONG lEndCTOC; // offset of end of CTOC chunk (or -1)
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LONG lStartCGRP; // offset of start of CGRP chunk (or -1)
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DWORD lStartCGRPData; // offset of data part of CGRP chunk
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LONG lEndCGRP; // offset of end of CGRP chunk (or -1)
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LONG lEndFile; // offset of end of CGRP chunk (or -1)
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} MMCF, NEAR *PMMCF;
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