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147 lines
6.0 KiB
147 lines
6.0 KiB
/*************************************************************************
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* *
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* GROUP.H *
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* *
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* Copyright (C) Microsoft Corporation 1990-1995 *
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* All Rights reserved. *
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* *
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**************************************************************************
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* *
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* Module Intent *
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* All typedefs and defines needed for group *
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* *
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**************************************************************************
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* *
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* Current Owner: GarrG *
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* *
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**************************************************************************
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* *
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* Released by Development: (date) *
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* *
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**************************************************************************
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* Requires:
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* mverror.h
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*/
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#include <_mvutil.h>
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// Critical structures that gets messed up in /Zp8
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#pragma pack(1)
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#define FILE_HDR_SIZE 40
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/*************************************************************************
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* Basic defines.
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*************************************************************************/
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#if defined( __cplusplus )
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extern "C" {
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#endif
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/*
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* Various files stamps.
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* This is to distinguish one file's type from another
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*/
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#define GROUP_STAMP 0x3333
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#define GROUPVER ((WORD)20)
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#define VALIDATE_GROUP(lpGroup) {\
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if (lpGroup == NULL || (lpGroup->version < 7 || lpGroup->version > GROUPVER) || lpGroup->FileStamp != GROUP_STAMP)\
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return E_FAIL;\
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return S_OK;\
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}
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#define GROUPISBITSET(lpGroup, dwBit) \
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(lpGroup->lpbGrpBitVect[((dwBit) / 8)] & (1 << ((dwBit) % 8)))
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/*************************************************************************
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*
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* Group Structure & Global Functions
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*
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*************************************************************************/
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#define GROUP_HDR_SIZE FILE_HDR_SIZE
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typedef DWORD LIBITGROUP;
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/* Information that goes into the group file */
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#define GROUP_HEADER \
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unsigned short FileStamp; /* Group stamp */ \
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WORD version; /* Version number */ \
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DWORD dwSize; /* Group size in bytes */ \
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DWORD maxItem; /* Largest item in group */ \
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DWORD minItem; /* Smallest item in group */ \
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DWORD lcItem; /* Item's count */ \
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DWORD maxItemAllGroup; /* Maximum item of all groups */ \
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WORD fFlag
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typedef struct GROUP_HDR {
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GROUP_HEADER;
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} GROUP_HDR;
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#define BITVECT_GROUP 0 // Normal bit vector group
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#define HILO_GROUP 1 // HiLo group : no associated bit vector, only hi
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// &lo values
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#define TRIMMED_GROUP 2 // Trimmed group : bit vector only contains bytes
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// between lo & hi
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#define DISKCOMP_GROUP 3 // Disk Compression used
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// Must be expanded upon readin, becomes BITVECT_GROUP
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#define DISKCOMP_TRIMMED_GROUP 4 // Disk Compression used
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// Must be expanded upon readin, becomes TRIMMED_GROUP
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/* Group structure */
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/* Regular bit vector group */
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typedef struct tagGroup {
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GROUP_HEADER;
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LPERRB lperr; // Pointer to error buffer
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LPBYTE lpbGrpBitVect; // Pointer to group bit vector
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HANDLE hGrpBitVect; // Handle to "lpbGrpBitVect".
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HANDLE hGroup; // Handle to this structure.
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LPSTR lszGroupName; // Group name
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DWORD dwIndex; // Group index
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struct tagGroup FAR * lpGrpNext; // Next group in the linked list
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DWORD dwCount; // for faster GroupFind
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UINT nCache; // for faster GroupFind = # of bytes for dwCount
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WORD wFlag;
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} _GROUP, // winsock2.h defines GROUP
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FAR *_LPGROUP;
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#define GROUP_EXPAND 1
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#define GROUP_BLOCK_SIZE 256
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#define LCBITGROUPMAX ((DWORD)0x10000000) // This is the number of bits
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// that can fit into 32 Meg
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// all of the functions provided by the Group.lib
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// in groupcom.c
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ERR FAR PASCAL GroupAddItem(LPVOID, DWORD);
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_LPGROUP FAR PASCAL GroupInitiate(DWORD, LPERRB);
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DWORD FAR PASCAL LrgbBitCount(LPBYTE, DWORD);
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PUBLIC DWORD FAR PASCAL LrgbBitFind(LPBYTE, DWORD, BYTE FAR *);
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_LPGROUP FAR PASCAL GroupCreate (DWORD, DWORD, LPERRB);
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VOID FAR PASCAL GroupFree(_LPGROUP lpGroup);
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PUBLIC int PASCAL FAR GroupFileBuild
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(HFPB hfpbSysFile, LPSTR lszGrpFilename, _LPGROUP lpGroup);
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ERR FAR PASCAL GroupRemoveItem(_LPGROUP lpGroup, DWORD dwGrpItem);
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int PASCAL FAR GroupTrimmed (_LPGROUP lpGroup);
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PUBLIC _LPGROUP FAR PASCAL GroupOr(_LPGROUP lpGroup1,_LPGROUP lpGroup2, LPERRB lperr);
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PUBLIC _LPGROUP FAR PASCAL GroupNot(_LPGROUP lpGroup,LPERRB lperr);
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PUBLIC _LPGROUP FAR PASCAL GroupAnd(_LPGROUP lpGroup1,_LPGROUP lpGroup2, LPERRB lperr);
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PUBLIC DWORD FAR PASCAL GroupFind(_LPGROUP lpGroup, DWORD dwCount, LPERRB lperrb);
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PUBLIC DWORD FAR PASCAL GroupFindOffset(_LPGROUP lpGroup, DWORD dwCount, LPERRB lperrb);
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PUBLIC _LPGROUP PASCAL FAR GroupDuplicate (_LPGROUP lpGroup,LPERRB lperr);
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PUBLIC ERR PASCAL FAR GroupCopy (_LPGROUP lpGroupDst, _LPGROUP lpGroupSrc);
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PUBLIC BOOL FAR PASCAL GroupIsBitSet (_LPGROUP lpGroup, DWORD dwTopicNum);
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_LPGROUP PASCAL FAR GroupMake (LPBYTE lpBits, DWORD dwSize, DWORD dwItems);
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_LPGROUP PASCAL FAR GroupBufferCreate (HANDLE h, LPERRB lperrb);
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#if defined( __cplusplus )
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}
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#endif
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// Critical structures that gets messed up in /Zp8
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#pragma pack()
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