101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
|
extern DAB *pdabGlobalMin;
|
||
|
|
extern DAB *pdabGlobalMax;
|
||
|
|
|
||
|
|
ERR ErrDBOpenDatabase( PIB *ppib, CHAR *szDatabaseName, DBID *pdbid, ULONG grbit );
|
||
|
|
ERR ErrDBCloseDatabase( PIB *ppib, DBID dbid, ULONG grbit );
|
||
|
|
ERR ErrDBOpenDatabaseByDbid( PIB *ppib, DBID dbid );
|
||
|
|
VOID DBCloseDatabaseByDbid( PIB *ppib, DBID dbid );
|
||
|
|
BOOL FDatabaseInUse( DBID dbid );
|
||
|
|
ERR ErrDBCreateDatabase( PIB *ppib, CHAR *szDatabaseName, CHAR *szConnect, DBID *pdbid, CPG cpgPrimary, ULONG grbit, SIGNATURE *psignDb );
|
||
|
|
ERR ErrDBSetLastPage( PIB *ppib, DBID dbid );
|
||
|
|
ERR ErrDBSetupAttachedDB(VOID);
|
||
|
|
VOID DBISetHeaderAfterAttach( DBFILEHDR *pdbfilehdr, LGPOS lgposAttach, DBID dbid, BOOL fKeepBackupInfo );
|
||
|
|
ERR ErrDBReadHeaderCheckConsistency( CHAR *szFileName, DBID dbid );
|
||
|
|
ERR ErrDABCloseAllDBs( PIB *ppib );
|
||
|
|
|
||
|
|
#define SetOpenDatabaseFlag( ppib, dbid ) \
|
||
|
|
{ \
|
||
|
|
((ppib)->rgcdbOpen[dbid]++); \
|
||
|
|
Assert( ((ppib)->rgcdbOpen[dbid] > 0 ) ); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ResetOpenDatabaseFlag( ppib, dbid ) \
|
||
|
|
{ \
|
||
|
|
Assert( ((ppib)->rgcdbOpen[dbid] > 0 ) ); \
|
||
|
|
((ppib)->rgcdbOpen[dbid]--); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define FUserOpenedDatabase( ppib, dbid ) \
|
||
|
|
((ppib)->rgcdbOpen[dbid] > 0)
|
||
|
|
|
||
|
|
#define FLastOpen( ppib, dbid ) \
|
||
|
|
((ppib)->rgcdbOpen[dbid] == 1)
|
||
|
|
|
||
|
|
#define FUserDbid( dbid ) \
|
||
|
|
(dbid > dbidTemp && dbid < dbidMax)
|
||
|
|
|
||
|
|
#define ErrDBCheck( ppib, dbid ) \
|
||
|
|
( FUserOpenedDatabase( ppib, dbid ) ? JET_errSuccess : JET_errInvalidDatabaseId )
|
||
|
|
|
||
|
|
#define CheckDBID( ppib, dbid ) \
|
||
|
|
Assert( FUserOpenedDatabase( ppib, dbid ) )
|
||
|
|
|
||
|
|
|
||
|
|
/* Database Attribute Block
|
||
|
|
/**/
|
||
|
|
typedef struct _dab
|
||
|
|
{
|
||
|
|
PIB *ppib; /* thread that opens this DAB */
|
||
|
|
DAB *pdabNext; /* next DAB opened by the same ppib */
|
||
|
|
JET_GRBIT grbit; /* database open mode */
|
||
|
|
DBID dbid; /* database id */
|
||
|
|
} DAB;
|
||
|
|
|
||
|
|
#define ErrDABCheck( ppibT, pdab ) \
|
||
|
|
( ( ((DAB *)pdab) >= pdabGlobalMin && \
|
||
|
|
((DAB *)pdab) < pdabGlobalMax && \
|
||
|
|
(((ULONG_PTR)pdab - (ULONG_PTR)pdabGlobalMin) % sizeof(DAB) == 0) && \
|
||
|
|
((DAB *)pdab)->ppib == (ppibT) ) ? \
|
||
|
|
JET_errSuccess : JET_errInvalidDatabaseId )
|
||
|
|
|
||
|
|
// Database info in DATABASES tree
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
BYTE bDbid;
|
||
|
|
BYTE bLoggable;
|
||
|
|
/* rgchDatabaseName must be last field in structure
|
||
|
|
/**/
|
||
|
|
CHAR rgchDatabaseName[1];
|
||
|
|
} DBA;
|
||
|
|
|
||
|
|
ERR ErrDBStoreDBPath( CHAR *szDBName, CHAR **pszDBPath );
|
||
|
|
|
||
|
|
/* bogus dbid uniqifying code
|
||
|
|
/**/
|
||
|
|
#define vdbidNil NULL
|
||
|
|
typedef DAB * VDBID;
|
||
|
|
|
||
|
|
#ifdef DISPATCHING
|
||
|
|
#define VdbidMEMAlloc() (VDBID)PbMEMAlloc(iresDAB)
|
||
|
|
#ifdef DEBUG /* Debug check for illegal reuse of freed vdbid */
|
||
|
|
#define ReleaseVDbid( vdbid ) { MEMRelease( iresDAB, (BYTE *) vdbid ); vdbid = vdbidNil; }
|
||
|
|
#else
|
||
|
|
#define ReleaseVDbid( vdbid ) { MEMRelease( iresDAB, (BYTE *) vdbid ); }
|
||
|
|
#endif
|
||
|
|
#define DbidOfVDbid( vdbid ) ( ( (VDBID) vdbid )->dbid )
|
||
|
|
#define GrbitOfVDbid( vdbid ) ( ( (VDBID) vdbid )->grbit )
|
||
|
|
#define FVDbidReadOnly( vdbid ) ( ( (VDBID) vdbid )->grbit & JET_bitDbReadOnly )
|
||
|
|
#define VDbidCheckUpdatable( vdbid ) \
|
||
|
|
( FVDbidReadOnly( vdbid ) ? ErrERRCheck( JET_errPermissionDenied ) : JET_errSuccess )
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define DbidOfVDbid( vdbid ) (vdbid)
|
||
|
|
#define VdbidMEMAlloc()
|
||
|
|
#define ReleaseVDbid( vdbid )
|
||
|
|
#define GrbitOfVDbid( vdbid )
|
||
|
|
#define FVDbidReadOnly( vdbid )
|
||
|
|
#define VDbidCheckUpdatable( vdbid )
|
||
|
|
|
||
|
|
#endif
|