86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
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//============== DAE: OS/2 Database Access Engine ===================
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//============== fileint.h: File Manager Internals ===================
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// the pragma is bad for efficiency, but we need it here so that the
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// THREEBYTES will not be aligned on 4-byte boundary
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#pragma pack(1)
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// Data kept at the "fields" node of a file
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typedef struct
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{
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FID fidFixedLast;
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FID fidVarLast;
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FID fidTaggedLast;
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} FIELDDATA;
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// Data kept at each son of "fields" (a field definition)
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typedef struct
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{
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FID fid;
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LANGID langid; // language of field
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WORD wCountry; // country of language
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USHORT cp; // code page of language
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BYTE bFlags;
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BYTE bColtyp;
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ULONG ulLength;
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CHAR szFieldName[JET_cbNameMost + 1];
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WORD cbDefault;
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BYTE rgbDefault[1]; // must be last field in structure
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} FIELDDEFDATA;
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// Data kept at each son of "indexes" for a file (an index definition)
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typedef struct
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{
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LANGID langid; // language of index
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#ifdef DATABASE_FORMAT_CHANGE
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#else
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// UNDONE: index should not have country code
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// UNDONE: index should not have cp
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WORD wCountry; // country of language
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USHORT cp; // code page of language
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#endif
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BYTE bFlags;
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BYTE bDensity;
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CHAR szIndexName[JET_cbNameMost + 1];
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BYTE iidxsegMac;
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IDXSEG rgidxseg[JET_ccolKeyMost]; // must be last field in structure
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} INDEXDEFDATA;
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#define PbIndexName( pfucb ) ( pfucb->lineData.pb + offsetof( INDEXDEFDATA, szIndexName ) )
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#define CbIndexName( pfucb ) ( strlen( PbIndexName( pfucb ) ) )
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#define FIndexNameNull( pfucb ) ( CbIndexName( pfucb ) == 0 )
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#pragma pack()
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ERR ErrFILESeek( FUCB *pfucb, CHAR *szTable );
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#define fBumpIndexCount (1<<0)
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#define fDropIndexCount (1<<1)
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#define fDDLStamp (1<<2)
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ERR ErrFILEIUpdateFDPData( FUCB *pfucb, ULONG grbit );
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/* field and index definition
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/**/
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ERR ErrRECNewIDB( IDB **ppidb );
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ERR ErrRECAddFieldDef( FDB *pfdb, FID fid, FIELD *pfieldNew );
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ERR ErrRECAddKeyDef( FDB *pfdb, IDB *pidb, BYTE iidxsegMac, IDXSEG *rgidxseg, BYTE bFlags, LANGID langid );
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#define RECFreeIDB(pidb) { MEMReleasePidb(pidb); }
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ERR ErrRECNewFDB( FDB **ppfdb, FID fidFixedLast, FID fidVarLast, FID fidTaggedLast );
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VOID FDBSet( FCB *pfcb, FDB *pfdb );
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ERR ErrFDBConstruct( FUCB *pfucb, FCB *pfcb, BOOL fBuildDefault );
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VOID FDBDestruct( FDB *pfdb );
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VOID FILEIDeallocateFileFCB( FCB *pfcb );
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ERR ErrFILEIGenerateFCB( FUCB *pfucb, FCB **ppfcb );
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ERR ErrFILEIFillInFCB( FUCB *pfucb, FCB *pfcb );
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ERR ErrFILEIBuildIndexDefs( FUCB *pfucb, FCB *pfcb );
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ERR ErrFILEIFillIn2ndIdxFCB( FUCB *pfucb, FDB *pfdb, FCB *pfcb );
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VOID FILEIDeallocateFileFCB( FCB *pfcb );
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VOID FILESetAllIndexMask( FCB *pfcbTable );
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ERR ErrFILEDeleteTable( PIB *ppib, DBID dbid, CHAR *szName );
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FIELD *PfieldFCBFromColumnName( FCB *pfcb, CHAR *szColumnName );
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FCB *PfcbFCBFromIndexName( FCB *pfcbTable, CHAR *szName );
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