80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* SORT RDD module
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*
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* Copyright 1999 Bruno Cantero <bruno@issnet.net>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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#ifndef HB_DBSORT_H_
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#define HB_DBSORT_H_
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#include "hbrdddbf.h"
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#if defined(HB_EXTERN_C)
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extern "C" {
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#endif
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/*
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* DBQUICKSORT
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* -----------
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* The Quick Sort Item Structure
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*/
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typedef struct _DBQUICKSORT
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{
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FHANDLE hFile;
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BYTE szTempName[ _POSIX_PATH_MAX + 1 ];
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BYTE * pBuffer;
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BYTE * pSwapBufferA;
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BYTE * pSwapBufferB;
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BYTE * pCmpBufferA;
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BYTE * pCmpBufferB;
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USHORT uiRecordLen;
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USHORT uiMaxRecords;
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LPDBSORTINFO pSortInfo;
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} DBQUICKSORT;
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typedef DBQUICKSORT * LPDBQUICKSORT;
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/*
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* PROTOTYPES
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* ----------
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*/
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extern BOOL hb_dbQSortInit( LPDBQUICKSORT pQuickSort, LPDBSORTINFO pSortInfo, USHORT uiRecordLen );
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extern void hb_dbQSortExit( LPDBQUICKSORT pQuickSort );
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extern BOOL hb_dbQSortAdvance( LPDBQUICKSORT pQuickSort, USHORT uiCount );
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extern void hb_dbQSortComplete( LPDBQUICKSORT pQuickSort );
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#if defined(HB_EXTERN_C)
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}
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#endif
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#endif /* HB_DBSORT_H_ */ |