- BORLAND/: Borland C++ 4.52 (chosen over 4.5 by byte-match: CODE/RP/CW32.LIB
is identical to 4.52's install lib). BCC32/TLINK32/TLIB/MAKE run natively on
Win11; CODE/BT/OPT.MAK is the shipped BTL4OPT.EXE's exact flag recipe
(extender = Borland PowerPack DPMI32, not Phar Lap TNT).
- restoration/source410/: the literal 1995-form reconstruction of the missing
BT game source (never mixed into CODE/). Round 1-3 state:
* 6 of 10 surviving original TUs COMPILE CLEAN under the period toolchain
(BTMSSN, BTCNSL, BTSCNRL, BTTEAM, BTL4MODE, BTL4ARND) - first builds
since 1996.
* BT_L4/BTL4APP.CPP pilot reconstruction: 12/12 functions, Fail() lands on
its binary-recorded line 400 exactly.
* BT/BTCNSL.HPP: console wire IDs recovered from the binary's ctors
(Killed=9, Damaged=10, ScoreUpdate=13, DeathWithoutHonor=15 [T1];
TeamScore=12 flagged [T4]).
* MUNGA/: 8 engine-header backfills back-dated from the BT412 WinTesla tree
(VDATA numbering decomp-verified; AUDREND's OpenAL-era virtual removed -
the period compiler is the drift detector).
* Tooling: backdate.py (WinTesla->1995 header transform), compile410.sh
(per-TU verification sweep under authentic OPT.MAK flags).
* README: corrected roadmap - MECH.HPP is the capstone grown with the mech
TU reconstructions; BTREG.CPP green = the header-family milestone.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
271 lines
9.7 KiB
ObjectPascal
271 lines
9.7 KiB
ObjectPascal
{ Block.pas }
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program Block;
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{$IfDef VER80}
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uses SnipTool, SnipData, SysUtils, WinTypes, WinProcs,
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DbiProcs, DbiTypes, DbiErrs;
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{$Else}
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uses WinTypes, WinCrt, Strings, DbiProcs, DbiTypes, DbiErrs,
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SnipTool, SnipData;
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{$EndIf}
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const
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szTblName = 'customer'; { Name of table to be created. }
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szCopyTblName = 'custcopy';
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szTblType = szPARADOX; { Table type to use. }
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{=====================================================================
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Code: TableCreateTempCopy();
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Input: hDb - Handle to the Database
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hCur - Handle to the Source table
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szDestTblName - Name of the Destination table
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szTblType - Type of the table
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phCurTemp - Cursor returned on the temporary table
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Return: DBIResult - Success of the opperation, or what went
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- wrong.
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Description:
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This function is used to return a handle to a temporary
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table which is a copy of the passed in table.
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===================================================================== }
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function TableCreateTempCopy (hDb: hDBIDb; hCur: hDBICur;
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szDestTblName: pCHAR; szTblType: pCHAR;
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var phCurTemp: hDBICur): DBIResult;
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var
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rslt: DBIResult; { Return value from IDAPI functions }
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crTblDes: CRTblDesc; { Table descriptor }
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pfldDes: pFLDDesc; { Field descriptor }
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curProp: CURProps; { Cursor properties }
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begin
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ChkRslt(DbiGetCursorProps(hCur, curProp), DBIERR_NONE,
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' Error - GetCursorProps.');
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{ Allocate memory for the field descriptor }
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GetMem(pfldDes, curProp.iFields * sizeof(FLDDesc));
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{ Get information on the fields of the table }
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ChkRslt(DbiGetFieldDescs(hCur, pfldDes), DBIERR_NONE,
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' Error - GetFieldDescs.');
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{ Initialize create table descriptor }
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FillChar(crTblDes, sizeof(crTblDesc), #0);
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StrCopy(crTblDes.szTblName, szDestTblName);
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StrCopy(crTblDes.szTblType, szTblType);
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crTblDes.iFldCount := curProp.iFields;
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crTblDes.pfldDesc := pfldDes;
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{ Create and open the table }
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rslt := ChkRslt(DbiCreateTable(hDb, TRUE, crTblDes),
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DBIERR_NONE, ' CreateTempTable.');
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if (rslt <> DBIERR_NONE) then
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begin
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FreeMem(pfldDes, curProp.iFields * sizeof(FLDDesc));
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TableCreateTempCopy := rslt;
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exit;
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end;
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rslt := ChkRslt(DbiOpenTable(hDb, crTblDes.szTblName,
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crTblDes.szTblType, nil,
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nil, 0, dbiREADWRITE,
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dbiOPENSHARED, xltFIELD, FALSE,
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nil, phCurTemp),
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DBIERR_NONE, ' Error - OpenTable.');
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if (rslt <> DBIERR_NONE) then
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begin
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FreeMem(pfldDes, curProp.iFields * sizeof(FLDDesc));
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TableCreateTempCopy := rslt;
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exit;
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end;
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FreeMem(pfldDes, curProp.iFields * sizeof(FLDDesc));
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TableCreateTempCopy := rslt;
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end;
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{=====================================================================
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Code: Block();
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Input: None.
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Return: None.
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Description:
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This example shows how to read and write records to a table
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in blocks (more than one record at a time). Moveing records
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in blocks is the prefered method of reading and writting
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records to a table because it enhances the performance of
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the application.
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===================================================================== }
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var
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rslt: DBIResult; { Return value from IDAPI functions }
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hDb: hDBIDb; { Handle to the Database }
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hCur: hDBICur; { Handle to the table }
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hCurCopy: hDBICur; { Handle to a temporary table }
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CurProp: CURProps; { Properties of the Cursor }
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pRecBuf: pointer; { Pointer to the record buffer }
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uRecNum: UINT16; { Loop counter - current record num }
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uRecOffset: UINT16; { Offset into the block of records }
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DestBuf: array[0..34] of CHAR; { New field value to write to the
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table }
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TempBuf: array[0..34] of CHAR; { Field value read in from the table }
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bBlank: BOOL; { Used to determine if a field is blank }
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const
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uNumBuf: UINT32 = 10; { Number of records to buffer }
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uNumRecs: UINT32 = 10; { Number of records to display, 0=all }
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begin
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Screen('*** Block maniplulation example ***');
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Screen('');
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Screen(' Initializing IDAPI...');
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if (InitAndConnect(hDb) <> DBIERR_NONE) then { Terminate example if }
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begin { Initialization fails }
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Screen('');
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Screen('*** End of Example ***');
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exit;
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end;
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Screen(' Setting the Database directory...');
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ChkRslt(DbiSetDirectory(hDb, pCHAR(szTblDirectory)), DBIERR_NONE,
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' Error - SetDirectory.');
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Screen(' Open the '+szTblName+' table (source)...');
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if (ChkRslt(DbiOpenTable(hDb, pCHAR(szTblName), pCHAR(szTblType),
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nil, nil, 0, dbiREADWRITE, dbiOPENSHARED,
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xltFIELD, FALSE, nil, hCur),
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DBIERR_NONE, ' Error - OpenTable.')
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<> DBIERR_NONE) then
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begin
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Screen(' Clean up IDAPI...');
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CloseDbAndexit(hDb);
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Screen('');
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Screen('*** End of Example ***');
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exit;
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end;
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{ Create a temporary table with the same field structure as the
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source table }
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if (TableCreateTempCopy(hDb, hCur, pCHAR(szCopyTblName),
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pCHAR(szTblType), hCurCopy) <> DBIERR_NONE) then
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begin
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ChkRslt(DbiCloseCursor(hCur), DBIERR_NONE,
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' Error - CloseCursor.');
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Screen(' Clean up IDAPI...');
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CloseDbAndexit(hDb);
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Screen('');
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Screen('*** End of Example ***');
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exit;
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end;
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{ Get the size of the record buffer }
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ChkRslt(DbiGetCursorProps(hCur, CurProp), DBIERR_NONE,
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' Error - GetCursorProps.');
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{ Allocate space for the Record Buffer }
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GetMem(pRecBuf, CurProp.iRecBufSize * sizeof(BYTE) * uNumBuf);
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if not Assigned(pRecBuf) then
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begin
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Screen(' Error - Out of memory.');
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CloseDbAndexit(hDb);
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exit;
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end;
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Screen('');
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Screen(' Go to the beginning of the '+szTblName+' table...');
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ChkRslt(DbiSetToBegin(hCur), DBIERR_NONE,
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' Error - SetToBegin.');
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Screen(' Display the '+szTblName+' table...');
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ChkRslt(DisplayTable(hCur, uNumRecs), DBIERR_NONE,
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' Error - DisplayTable.');
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Screen('');
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Screen(' Go to the beginning of the '+szTblName+' table...');
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ChkRslt(DbiSetToBegin(hCur), DBIERR_NONE,
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' Error - SetToBegin.');
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Screen(' Read '+IntToStr(uNumBuf)+' records from the '+
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szTblName+' table...');
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rslt := DbiReadBlock(hCur, uNumBuf, pRecBuf);
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{ Getting an EOF error is ok - just means that an attempt was
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made to read more records than are currently in the table. }
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if ((rslt <> DBIERR_EOF) and (rslt <> DBIERR_NONE)) then
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begin
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ChkRslt(rslt, DBIERR_NONE, ' Error - ReadBlock');
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end;
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for uRecNum := 1 to uNumBuf do
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begin
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{ Calculate the record offset. }
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uRecOffset := (uRecNum-1)*CurProp.iRecBufSize;
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{ Get the value in the second field for each record }
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ChkRslt(DbiGetField(hCur, 2,
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PChar(pRecBuf)+uRecOffset,
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@TempBuf, bBlank),
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DBIERR_NONE, ' Error - GetField.');
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Screen(' Modify the record: add "'+IntToStr(uRecNum)+'" to '+
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' '+StrPas(TempBuf)+' ');
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{ Put the record number at the start of the field }
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StrPCopy(DestBuf, IntToStr(Integer(uRecNum)));
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StrCat(DestBuf, ' ');
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{ Add the record number to the head of the field }
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StrLCat(DestBuf, TempBuf, (30 - strlen(DestBuf)));
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{ Update the buffer value }
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ChkRslt(DbiPutField(hCur, 2,
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PChar(pRecBuf)+uRecOffset,
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@DestBuf),
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DBIERR_NONE, ' Error - GetField.');
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end;
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{ Write uNumBuf records to the table }
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Screen('');
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Screen(' Write '+IntToStr(uNumBuf)+' records to the '+
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szCopyTblName+' table...');
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ChkRslt(DbiWriteBlock(hCurCopy, uNumBuf, pRecBuf), DBIERR_NONE,
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' Error := WriteBlock.');
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{ Go to the beginning of the table }
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Screen('');
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Screen(' Go to the beginning of the '+szCopyTblName+' table...');
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ChkRslt(DbiSetToBegin(hCurCopy), DBIERR_NONE,
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' Error - SetToBegin.');
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Screen(' Display the '+szCopyTblName+' table...');
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ChkRslt(DisplayTable(hCurCopy, uNumRecs), DBIERR_NONE,
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' Error - DisplayTable.');
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{ Release allocated memory }
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FreeMem(pRecBuf, CurProp.iRecBufSize * sizeof(BYTE) * uNumBuf);
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Screen('');
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Screen(' Close the tables...');
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ChkRslt(DbiCloseCursor(hCur), DBIERR_NONE,
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' Error - CloseCursor.');
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ChkRslt(DbiCloseCursor(hCurCopy), DBIERR_NONE,
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' Error - CloseCursor.');
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Screen(' Deleting the "'+szCopyTblName+'" table...');
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ChkRslt(DbiDeleteTable(hDb, pCHAR(szCopyTblName), pCHAR(szTblType)),
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DBIERR_NONE, ' Error - DeleteTable.');
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Screen(' Close the Database and exit IDAPI...');
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CloseDbAndexit(hDb);
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Screen('');
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Screen('*** End of Example ***');
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end.
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