- 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>
135 lines
4.7 KiB
C++
135 lines
4.7 KiB
C++
// BDE - (C) Copyright 1995 by Borland International
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// LnkCrsr.c
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#include "snipit.h"
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static const char szMasterTable[] = "customer";
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static const char szDetailTable[] = "orders";
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static const char szTblType[] = szPARADOX;
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//=====================================================================
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// Function:
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// LnkCrsr();
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//
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// Description:
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// Linking cursors establishes a link between two cursors
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// such that the detail cursor has its record set limited to
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// the set of records matching the linking key values of the
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// master cursor.
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//=====================================================================
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void
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LnkCrsr (void)
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{
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hDBIDb hDb; // Handle to the database
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hDBICur hCurMaster; // Handle to the master table
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hDBICur hCurDetail; // Handle to the detail table
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UINT32 ulNumRecs = 10; // Number of records to display,
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// 0 = all
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UINT16 uFieldsMaster[] = {1}; // Link the first field of Customer
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UINT16 uFieldsDetail[] = {2}; // To the second field of Orders
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// (which is indexed)
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DBIResult rslt; // Return value from IDAPI functions
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Screen("*** Linked Cursors Example ***\r\n");
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BREAK_IN_DEBUGGER();
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Screen(" Initializing the engine...");
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if (InitAndConnect(&hDb) != DBIERR_NONE)
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{
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Screen("\r\n*** End of Example ***");
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return;
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}
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Screen(" Setting the database directory...");
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rslt = DbiSetDirectory(hDb, (pCHAR) szTblDirectory);
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ChkRslt(rslt, "SetDirectory");
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Screen(" Open the %s master table...", szMasterTable);
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rslt = DbiOpenTable(hDb, (pCHAR) szMasterTable, (pCHAR) szTblType,
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NULL, NULL, 0, dbiREADWRITE, dbiOPENSHARED,
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xltFIELD, FALSE, NULL, &hCurMaster);
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if (ChkRslt(rslt, "OpenTable") != DBIERR_NONE)
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{
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CloseDbAndExit(&hDb);
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Screen("\r\n*** End of Example ***");
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return;
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}
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Screen(" Display the first %lu records of the %s master table...",
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ulNumRecs, szMasterTable);
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DisplayTable(hCurMaster, ulNumRecs);
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Screen("\r\n Open the %s detail table...", szDetailTable);
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rslt = DbiOpenTable(hDb, (pCHAR) szDetailTable, (pCHAR) szTblType,
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NULL, NULL, 0, dbiREADWRITE, dbiOPENSHARED,
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xltFIELD, FALSE, NULL, &hCurDetail);
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if (ChkRslt(rslt, "OpenTable") != DBIERR_NONE)
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{
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CloseDbAndExit(&hDb);
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Screen("\r\n*** End of Example ***");
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return;
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}
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Screen(" Display the first %lu records of the %s detail table...",
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ulNumRecs, szDetailTable);
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DisplayTable(hCurDetail, ulNumRecs);
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Screen("\r\n Set to the Customer_No index on the detail table...");
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rslt = DbiSwitchToIndex(&hCurDetail, NULL, NULL, 2, FALSE);
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ChkRslt(rslt, "SwitchToIndex");
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Screen(" Link the tables...");
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// Put the Customer table into link mode.
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rslt = DbiBeginLinkMode(&hCurMaster);
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ChkRslt(rslt, "BeginLinkMode");
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// Put the Orders table into link mode.
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rslt = DbiBeginLinkMode(&hCurDetail);
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ChkRslt(rslt, "BeginLinkMode");
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// Link the two tables, specifying which fields
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// will be linked in the last two parameters.
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// Specifically, link the first field of Customers
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// to the indexed second field of Orders.
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rslt = DbiLinkDetail(hCurMaster, hCurDetail, 1, uFieldsMaster,
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uFieldsDetail);
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ChkRslt(rslt, "LinkDetail");
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Screen(" Display the %s detail table after the link:",
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szDetailTable);
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Screen(" Note that all Customer numbers correspond to the last"
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" record displayed in\r\n the master table");
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DisplayTable(hCurDetail, ulNumRecs);
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Screen("\r\n End the link...");
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// Unlink the detail table from the master table.
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rslt = DbiUnlinkDetail(hCurDetail);
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ChkRslt(rslt, "EndLinkMode");
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// Take the Customer table out of link mode.
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rslt = DbiEndLinkMode(&hCurMaster);
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ChkRslt(rslt, "EndLinkMode");
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// Take the Orders table out of link mode.
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rslt = DbiEndLinkMode(&hCurDetail);
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ChkRslt(rslt, "EndLinkMode");
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Screen(" Close the tables...");
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// Close the master table.
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rslt = DbiCloseCursor(&hCurMaster);
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ChkRslt(rslt, "CloseCursor");
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// Close the detail table.
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rslt = DbiCloseCursor(&hCurDetail);
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ChkRslt(rslt, "CloseCursor");
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Screen(" Close the database and exit IDAPI...");
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CloseDbAndExit(&hDb);
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Screen("\r\n*** End of Example ***");
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}
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