81aaba495a
* INSTALL
+ Added TROUBLESHOOTING/9.: how to submit logs to dev list.
Please read it.
* src/rtl/diskspac.c
* src/rtl/disksphb.c
! Fixed possible MT race condition in DISKSPACE()/HB_DISKSPACE()
where no value could be returned.
* src/rtl/gtwvt/gtwvt.c
* Changed to use WS_EX_COMPOSITED instead of WS_EX_LAYERED.
This works on XP and above (previous one also worked on W2K),
and I mean this as another round of live testing, as WS_EX_LAYERED
turned out to be causing strange flickers (maybe hardware
induced, I don't know) on some non-virtualized/non-remote
OS installations. Maybe this will work better. If not, even
this will be deleted. Then maybe software/DC double-buffering
will be the ultimate soltion.
% Dropped fiddling with SetLayeredWindowAttributes() call.
* Formatting.
* contrib/make.hbs
+ Added 'verbose' keyword. Equivalent to HB_BUILD_VERBOSE=yes.
+ Added 'rebuild' keyword. (Equivalent to 'clean all')
* contrib/3rd/sqlite3/sqlite3.hbp
! Added workaround for gcc/mingw bug in 4.5.0 and 4.5.1
revisions where it shows compile error when iso89 c dialect
is selected. Now in 4.5.x gnu89 is used instead to avoid it.
* contrib/hbplist
- Disabled gtwvg due to build breakage.
418 lines
14 KiB
C
418 lines
14 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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* HB_DISKSPACE() function
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*
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* Copyright 1999-2001 Viktor Szakats (harbour.01 syenar.hu)
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* www - http://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, or (at your option)
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* any later version.
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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 software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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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( HB_OS_DARWIN )
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#include <sys/param.h>
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#include <sys/mount.h>
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#elif defined( HB_OS_ANDROID )
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#include <sys/statfs.h>
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#elif defined( HB_OS_UNIX ) && !( defined( __WATCOMC__ ) || defined( __CEGCC__ ) )
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#if defined( HB_OS_VXWORKS ) || defined( HB_OS_SYMBIAN )
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#include <sys/stat.h>
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#else
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#include <sys/statvfs.h>
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#endif
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#elif defined( HB_OS_WIN )
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#include <windows.h>
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#if defined( HB_OS_WIN_CE )
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#include "hbwince.h"
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#endif
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#elif defined( HB_OS_OS2 )
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#define INCL_BASE
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#define INCL_DOSERRORS
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#include <os2.h>
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#elif defined( HB_OS_DOS )
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#include <dos.h>
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#endif
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HB_FUNC( HB_DISKSPACE )
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{
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char szPathBuf[ 4 ];
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const char * szPath = hb_parc( 1 );
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HB_USHORT uiType = ( HB_USHORT ) hb_parnidef( 2, HB_DISK_AVAIL );
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double dSpace = 0.0;
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if( uiType > HB_DISK_TOTAL )
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uiType = HB_DISK_AVAIL;
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if( !szPath )
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{
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#ifdef HB_OS_HAS_DRIVE_LETTER
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if( HB_ISNUM( 1 ) )
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{
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szPathBuf[ 0 ] = ( char ) hb_parni( 1 ) + 'A' - 1;
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szPathBuf[ 1 ] = HB_OS_DRIVE_DELIM_CHR;
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szPathBuf[ 2 ] = HB_OS_PATH_DELIM_CHR;
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szPathBuf[ 3 ] = '\0';
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}
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else
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#endif
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{
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szPathBuf[ 0 ] = HB_OS_PATH_DELIM_CHR;
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szPathBuf[ 1 ] = '\0';
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}
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szPath = szPathBuf;
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}
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#if defined( HB_OS_DOS )
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{
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HB_USHORT uiDrive = szPath[ 1 ] != HB_OS_DRIVE_DELIM_CHR ? 0 :
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( szPath[ 0 ] >= 'A' && szPath[ 0 ] <= 'Z' ?
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szPath[ 0 ] - 'A' + 1 :
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( szPath[ 0 ] >= 'a' && szPath[ 0 ] <= 'z' ?
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szPath[ 0 ] - 'a' + 1 : 0 ) );
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for( ;; )
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{
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union REGS regs;
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regs.HB_XREGS.dx = uiDrive;
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regs.h.ah = 0x36;
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HB_DOS_INT86( 0x21, ®s, ®s );
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if( regs.HB_XREGS.ax != 0xFFFF )
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{
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HB_USHORT uiClusterTotal = regs.HB_XREGS.dx;
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HB_USHORT uiClusterFree = regs.HB_XREGS.bx;
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HB_USHORT uiSecPerCluster = regs.HB_XREGS.ax;
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HB_USHORT uiSectorSize = regs.HB_XREGS.cx;
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switch( uiType )
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{
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case HB_DISK_AVAIL:
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case HB_DISK_FREE:
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dSpace = ( double ) uiClusterFree *
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( double ) uiSecPerCluster *
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( double ) uiSectorSize;
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break;
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case HB_DISK_USED:
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case HB_DISK_TOTAL:
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dSpace = ( double ) uiClusterTotal *
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( double ) uiSecPerCluster *
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( double ) uiSectorSize;
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if( uiType == HB_DISK_USED )
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dSpace -= ( double ) uiClusterFree *
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( double ) uiSecPerCluster *
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( double ) uiSectorSize;
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break;
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}
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}
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else
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{
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if( hb_errRT_BASE_Ext1( EG_OPEN, 2018, NULL, NULL, 0, ( EF_CANDEFAULT | EF_CANRETRY ), HB_ERR_ARGS_BASEPARAMS ) == E_RETRY )
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continue;
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}
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break;
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}
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}
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#elif defined( HB_OS_WIN )
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{
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#if defined( _MSC_VER ) || defined( __LCC__ ) || \
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( defined( __GNUC__ ) && !defined( __RSXNT__ ) )
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# define HB_GET_LARGE_UINT( v ) ( ( double ) (v).LowPart + \
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( double ) (v).HighPart * \
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( ( ( double ) 0xFFFFFFFF ) + 1 ) )
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#else
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/* NOTE: Borland doesn't seem to deal with the un-named
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struct that is part of ULARGE_INTEGER
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[pt] */
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# define HB_GET_LARGE_UINT( v ) ( ( double ) (v).u.LowPart + \
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( double ) (v).u.HighPart * \
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( ( ( double ) 0xFFFFFFFF ) + 1 ) )
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#endif
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for( ;; )
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{
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ULARGE_INTEGER i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
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UINT uiErrMode = SetErrorMode( SEM_FAILCRITICALERRORS );
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HB_BOOL fResult;
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LPTSTR lpPath = HB_TCHAR_CONVTO( szPath );
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#if defined( HB_OS_WIN_CE )
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fResult = GetDiskFreeSpaceEx( lpPath,
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( PULARGE_INTEGER ) &i64FreeBytesToCaller,
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( PULARGE_INTEGER ) &i64TotalBytes,
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( PULARGE_INTEGER ) &i64FreeBytes );
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hb_fsSetIOError( fResult, 0 );
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if( fResult )
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{
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switch( uiType )
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{
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case HB_DISK_AVAIL:
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dSpace = HB_GET_LARGE_UINT( i64FreeBytesToCaller );
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break;
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case HB_DISK_FREE:
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dSpace = HB_GET_LARGE_UINT( i64FreeBytes );
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break;
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case HB_DISK_TOTAL:
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dSpace = HB_GET_LARGE_UINT( i64TotalBytes );
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break;
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case HB_DISK_USED:
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dSpace = HB_GET_LARGE_UINT( i64TotalBytes ) -
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HB_GET_LARGE_UINT( i64FreeBytes );
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break;
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}
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}
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#else
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/* NOTE: We need to call this function dynamically to maintain support
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Win95 first edition. It was introduced in Win95B (aka OSR2) [vszakats] */
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{
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typedef BOOL ( WINAPI * P_GDFSE )( LPCTSTR, PULARGE_INTEGER,
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PULARGE_INTEGER, PULARGE_INTEGER );
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static P_GDFSE s_pGetDiskFreeSpaceEx = NULL;
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static HB_BOOL s_fInit = HB_FALSE;
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if( ! s_fInit )
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{
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s_pGetDiskFreeSpaceEx = ( P_GDFSE )
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#if defined( UNICODE )
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GetProcAddress( GetModuleHandle( hb_iswin9x() ? TEXT( "unicows.dll" ) : TEXT( "kernel32.dll" ) ),
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"GetDiskFreeSpaceExW" );
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#else
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GetProcAddress( GetModuleHandle( TEXT( "kernel32.dll" ) ),
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"GetDiskFreeSpaceExA" );
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#endif
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s_fInit = HB_TRUE;
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}
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if( s_pGetDiskFreeSpaceEx )
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{
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fResult = s_pGetDiskFreeSpaceEx( lpPath,
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( PULARGE_INTEGER ) &i64FreeBytesToCaller,
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( PULARGE_INTEGER ) &i64TotalBytes,
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( PULARGE_INTEGER ) &i64FreeBytes ) ? HB_TRUE : HB_FALSE;
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hb_fsSetIOError( fResult, 0 );
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if( fResult )
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{
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switch( uiType )
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{
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case HB_DISK_AVAIL:
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dSpace = HB_GET_LARGE_UINT( i64FreeBytesToCaller );
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break;
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case HB_DISK_FREE:
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dSpace = HB_GET_LARGE_UINT( i64FreeBytes );
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break;
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case HB_DISK_TOTAL:
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dSpace = HB_GET_LARGE_UINT( i64TotalBytes );
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break;
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case HB_DISK_USED:
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dSpace = HB_GET_LARGE_UINT( i64TotalBytes ) -
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HB_GET_LARGE_UINT( i64FreeBytes );
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break;
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}
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}
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}
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else
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{
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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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fResult = GetDiskFreeSpace( lpPath,
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&dwSectorsPerCluster,
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&dwBytesPerSector,
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&dwNumberOfFreeClusters,
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&dwTotalNumberOfClusters ) ? HB_TRUE : HB_FALSE;
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hb_fsSetIOError( fResult, 0 );
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if( fResult )
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{
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switch( uiType )
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{
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case HB_DISK_AVAIL:
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case HB_DISK_FREE:
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dSpace = ( double ) dwNumberOfFreeClusters *
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( double ) dwSectorsPerCluster *
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( double ) dwBytesPerSector;
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break;
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case HB_DISK_USED:
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case HB_DISK_TOTAL:
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dSpace = ( double ) dwTotalNumberOfClusters *
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( double ) dwSectorsPerCluster *
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( double ) dwBytesPerSector;
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if( uiType == HB_DISK_USED )
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dSpace -= ( double ) dwNumberOfFreeClusters *
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( double ) dwSectorsPerCluster *
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( double ) dwBytesPerSector;
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break;
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}
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}
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}
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}
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#endif
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HB_TCHAR_FREE( lpPath );
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SetErrorMode( uiErrMode );
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break;
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}
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}
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#elif defined( HB_OS_OS2 )
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{
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struct _FSALLOCATE fsa;
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USHORT rc;
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USHORT uiDrive = szPath[ 1 ] != HB_OS_DRIVE_DELIM_CHR ? 0 :
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( szPath[ 0 ] >= 'A' && szPath[ 0 ] <= 'Z' ?
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szPath[ 0 ] - 'A' + 1 :
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( szPath[ 0 ] >= 'a' && szPath[ 0 ] <= 'z' ?
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szPath[ 0 ] - 'a' + 1 : 0 ) );
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/* Query level 1 info from filesystem */
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while( ( rc = DosQueryFSInfo( uiDrive, 1, &fsa, sizeof( fsa ) ) ) != 0 )
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{
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if( hb_errRT_BASE_Ext1( EG_OPEN, 2018, NULL, NULL, 0, (EF_CANDEFAULT | EF_CANRETRY), HB_ERR_ARGS_BASEPARAMS ) != E_RETRY )
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break;
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}
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if( rc == 0 )
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{
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switch( uiType )
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{
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case HB_DISK_AVAIL:
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case HB_DISK_FREE:
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dSpace = ( double ) fsa.cUnitAvail *
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( double ) fsa.cSectorUnit *
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( double ) fsa.cbSector;
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break;
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case HB_DISK_USED:
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case HB_DISK_TOTAL:
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dSpace = ( double ) fsa.cUnit *
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( double ) fsa.cSectorUnit *
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( double ) fsa.cbSector;
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if( uiType == HB_DISK_USED )
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dSpace -= ( double ) fsa.cUnitAvail *
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( double ) fsa.cSectorUnit *
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( double ) fsa.cbSector;
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break;
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}
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hb_fsSetIOError( HB_TRUE, 0 );
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}
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else
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hb_fsSetIOError( HB_FALSE, 0 );
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}
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#elif defined( HB_OS_UNIX ) && !( defined( __WATCOMC__ ) || defined( __CEGCC__ ) || defined( HB_OS_SYMBIAN ) )
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{
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#if defined( HB_OS_DARWIN ) || defined( HB_OS_ANDROID ) || \
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defined( HB_OS_VXWORKS )
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struct statfs sf;
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#else
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struct statvfs sf;
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#endif
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char * pszFree;
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szPath = hb_fsNameConv( szPath, &pszFree );
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#if defined( HB_OS_DARWIN ) || defined( HB_OS_ANDROID ) || \
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defined( HB_OS_VXWORKS )
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if( statfs( szPath, &sf ) == 0 )
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#else
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if( statvfs( szPath, &sf ) == 0 )
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#endif
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{
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switch( uiType )
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{
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case HB_DISK_AVAIL:
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dSpace = ( double ) sf.f_bavail * ( double ) sf.f_bsize;
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break;
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case HB_DISK_FREE:
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dSpace = ( double ) sf.f_bfree * ( double ) sf.f_bsize;
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break;
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case HB_DISK_USED:
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dSpace = ( double ) ( sf.f_blocks - sf.f_bfree ) *
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( double ) sf.f_bsize;
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break;
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case HB_DISK_TOTAL:
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dSpace = ( double ) sf.f_blocks * ( double ) sf.f_bsize;
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break;
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}
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hb_fsSetIOError( HB_TRUE, 0 );
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}
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else
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hb_fsSetIOError( HB_FALSE, 0 );
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if( pszFree )
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hb_xfree( pszFree );
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}
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#else
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{
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int iTODO;
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HB_SYMBOL_UNUSED( szPath );
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HB_SYMBOL_UNUSED( uiType );
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}
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#endif
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hb_retnlen( dSpace, -1, 0 );
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}
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