122 lines
3.3 KiB
C
122 lines
3.3 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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* DISKSPACE() function
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*
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* Copyright 1999 Victor Szakats <info@szelvesz.hu>
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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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/*
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* The following parts are Copyright of the individual authors.
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* www - http://www.harbour-project.org
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*
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* Copyright 1999 Luiz Rafael Culik <culik@sl.conex.net>
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* Parts of DOS support
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*
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* See doc/license.txt for licensing terms.
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*
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*/
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#define HB_OS_WIN_32_USED
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#include <ctype.h>
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#include "hbapi.h"
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#include "hbapierr.h"
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#include "hbapifs.h"
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#if defined(DOS) || defined(__WATCOMC__)
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#include <dos.h>
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#endif
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HARBOUR HB_DISKSPACE( void )
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{
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ULONG ulSpaceFree = 0;
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USHORT uiDrive = ( ISCHAR( 1 ) && hb_parclen( 1 ) > 0 ) ?
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( USHORT )( toupper( *hb_parc( 1 ) ) - 'A' + 1 ) : 0;
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#if defined(DOS) || defined(__WATCOMC__)
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struct diskfree_t disk;
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unsigned uiResult;
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while( ( uiResult = _dos_getdiskfree( uiDrive, &disk ) ) != 0 )
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{
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USHORT uiAction = hb_errRT_BASE_Ext1( EG_OPEN, 2018, NULL, NULL, 0, EF_CANDEFAULT );
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if( uiAction == E_DEFAULT || uiAction == E_BREAK )
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break;
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}
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if( uiResult != 0 )
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ulSpaceFree = ( ULONG ) disk.avail_clusters *
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( ULONG ) disk.sectors_per_cluster *
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( ULONG ) disk.bytes_per_sector;
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#elif defined(HB_OS_WIN_32)
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{
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char szPath[ 4 ];
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DWORD dwSectorsPerCluster;
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DWORD dwBytesPerSector;
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DWORD dwNumberOfFreeClusters;
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DWORD dwTotalNumberOfClusters;
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if( uiDrive == 0 )
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uiDrive = hb_fsCurDrv() + 1;
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szPath[ 0 ] = uiDrive + 'A' - 1;
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szPath[ 1 ] = ':';
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szPath[ 2 ] = '\\';
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szPath[ 3 ] = '\0';
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if( GetDiskFreeSpace( szPath,
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&dwSectorsPerCluster,
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&dwBytesPerSector,
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&dwNumberOfFreeClusters,
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&dwTotalNumberOfClusters ) )
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{
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ulSpaceFree = dwNumberOfFreeClusters *
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dwSectorsPerCluster *
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dwBytesPerSector;
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}
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}
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#else
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HB_SYMBOL_UNUSED( uiDrive );
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#endif
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hb_retnl( ( long ) ulSpaceFree );
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}
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