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221 lines
6.3 KiB
Plaintext
221 lines
6.3 KiB
Plaintext
/*
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* Harbour Project source code:
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* CT3 file functions:
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* FileCopy(), FileCOpen(), FileCCLose(), FileAppend()
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*
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* Author...: Frederic J. Bell
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* Dated....: Jun,17 94
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* Revised..: Sep,20 94
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* Purpose..: Replaces the following CA-T*ols functions which generate GPF's
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* FileCopy(), FileCOpen(), FileAppend()!
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* Relies on: Clipper (can you believe it!)
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* Compile..: /n /m /w /[/p /b /l] /es2
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* Notes....:
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* No copyright - released into the public domain NSA.
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*
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* Copyright 2007 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
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*
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* added FileCDaTi() and rewritten above functions for CT3 compatibility
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* and some problems fixing,
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*
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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.txt. 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 "fileio.ch"
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#define F_BLOCK 512
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THREAD STATIC t_hSrcFile := F_ERROR
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THREAD STATIC t_lSetDaTi := .T.
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THREAD STATIC t_fileDate
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THREAD STATIC t_fileTime
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/*
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* FileCopy()
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* This is a replacement for the CA-T*ols III function of the
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* same name that causes GPF's.
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*/
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FUNCTION FileCopy( cSource, cDest, lMode )
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LOCAL hDstFile
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LOCAL cBuffer := Space( F_BLOCK )
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LOCAL lDone := .F.
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LOCAL nSrcBytes, nDstBytes, nTotBytes := 0
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hb_default( @lMode, .F. )
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IF t_hSrcFile != F_ERROR
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FClose( t_hSrcFile )
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ENDIF
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t_hSrcFile := FOpen( cSource, FO_READ )
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IF t_hSrcFile != F_ERROR
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hDstFile := FCreate( cDest )
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IF hDstFile != F_ERROR
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DO WHILE ! lDone
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nSrcBytes := FRead( t_hSrcFile, @cBuffer, F_BLOCK )
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IF nSrcBytes == 0
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lDone := .T.
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EXIT
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ENDIF
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nDstBytes := FWrite( hDstFile, cBuffer, nSrcBytes )
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IF nDstBytes > 0
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nTotBytes += nDstBytes
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ENDIF
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IF nDstBytes < nSrcBytes
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EXIT
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ENDIF
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ENDDO
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FClose( hDstFile )
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IF lDone .OR. ! lMode
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FClose( t_hSrcFile )
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t_hSrcFile := F_ERROR
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ENDIF
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t_fileDate := FileDate( cSource )
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t_fileTime := FileTime( cSource )
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IF t_lSetDaTi
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SetFDaTi( cDest, t_fileDate, t_fileTime )
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ENDIF
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ELSE
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FClose( t_hSrcFile )
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t_hSrcFile := F_ERROR
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ENDIF
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ENDIF
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RETURN nTotBytes
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FUNCTION FileCOpen()
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RETURN t_hSrcFile != F_ERROR
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FUNCTION FileCDaTi( lNewMode )
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LOCAL lOldMode := t_lSetDaTi
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IF HB_ISLOGICAL( lNewMode )
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t_lSetDaTi := lNewMode
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ENDIF
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RETURN lOldMode
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FUNCTION FileCCont( cDest )
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LOCAL hDstFile
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LOCAL cBuffer := Space( F_BLOCK )
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LOCAL lDone := .F.
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LOCAL nSrcBytes, nDstBytes, nTotBytes := 0
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IF t_hSrcFile != F_ERROR
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hDstFile := FCreate( cDest )
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IF hDstFile != F_ERROR
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DO WHILE ! lDone
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nSrcBytes := FRead( t_hSrcFile, @cBuffer, F_BLOCK )
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IF nSrcBytes == 0
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lDone := 0
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EXIT
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ENDIF
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nDstBytes := FWrite( hDstFile, cBuffer, nSrcBytes )
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IF nDstBytes > 0
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nTotBytes += nDstBytes
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ENDIF
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IF nDstBytes < nSrcBytes
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EXIT
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ENDIF
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ENDDO
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FClose( hDstFile )
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IF lDone
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FClose( t_hSrcFile )
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t_hSrcFile := F_ERROR
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ENDIF
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IF t_lSetDaTi
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SetFDaTi( cDest, t_fileDate, t_fileTime )
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ENDIF
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ENDIF
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ENDIF
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RETURN nTotBytes
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FUNCTION FileCCLose()
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IF t_hSrcFile != F_ERROR
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FClose( t_hSrcFile )
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t_hSrcFile := F_ERROR
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RETURN .T.
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ENDIF
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RETURN .F.
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FUNCTION FileAppend( cSrc, cDest )
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LOCAL cBuffer := Space( F_BLOCK )
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LOCAL hSrcFile, hDstFile
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LOCAL nSrcBytes, nDstBytes, nTotBytes := 0
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hSrcFile := FOpen( cSrc, FO_READ )
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IF hSrcFile != F_ERROR
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IF ! hb_FileExists( cDest )
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hDstFile := FCreate( cDest )
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ELSE
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hDstFile := FOpen( cDest, FO_WRITE )
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FSeek( hDstFile, 0, FS_END )
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ENDIF
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IF hDstFile != F_ERROR
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DO WHILE .T.
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nSrcBytes := FRead( hSrcFile, @cBuffer, F_BLOCK )
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IF nSrcBytes == 0
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EXIT
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ENDIF
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nDstBytes := FWrite( hDstFile, cBuffer, nSrcBytes )
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IF nDstBytes < nSrcBytes
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EXIT
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ENDIF
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nTotBytes += nDstBytes
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ENDDO
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FClose( hDstFile )
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ENDIF
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FClose( hSrcFile )
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ENDIF
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RETURN nTotBytes
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