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140 lines
4.5 KiB
C
140 lines
4.5 KiB
C
/*
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* Harbour Project source code:
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* hb_FSize() function
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*
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* Copyright 2000-2001 Jose Lalin <dezac@corevia.com>
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* Copyright 2000-2001 Viktor Szakats (harbour syenar.net)
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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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#if ! defined( _LARGEFILE64_SOURCE )
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# define _LARGEFILE64_SOURCE 1
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#endif
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#include "hbapi.h"
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#include "hbapifs.h"
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#include "hbvm.h"
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#if ! defined( HB_OS_WIN_CE )
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# include <sys/types.h>
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# include <sys/stat.h>
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#endif
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#if ! defined( HB_USE_LARGEFILE64 ) && defined( HB_OS_UNIX )
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#if defined( __USE_LARGEFILE64 )
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/*
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* The macro: __USE_LARGEFILE64 is set when _LARGEFILE64_SOURCE is
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* define and efectively enables lseek64/flock64/ftruncate64 functions
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* on 32bit machines.
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*/
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#define HB_USE_LARGEFILE64
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#elif defined( HB_OS_UNIX ) && defined( O_LARGEFILE )
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#define HB_USE_LARGEFILE64
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#endif
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#endif
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HB_FOFFSET hb_fsFSize( const char * pszFileName, HB_BOOL bUseDirEntry )
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{
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if( bUseDirEntry )
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{
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#if defined( HB_OS_WIN )
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PHB_FFIND ffind = hb_fsFindFirst( pszFileName, HB_FA_ALL );
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hb_fsSetIOError( ffind != NULL, 0 );
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if( ffind )
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{
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HB_FOFFSET size = ffind->size;
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hb_fsFindClose( ffind );
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return size;
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}
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#elif defined( HB_USE_LARGEFILE64 )
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char * pszFree;
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HB_BOOL fResult;
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struct stat64 statbuf;
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pszFileName = hb_fsNameConv( pszFileName, &pszFree );
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statbuf.st_size = 0;
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hb_vmUnlock();
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fResult = stat64( pszFileName, &statbuf ) == 0;
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hb_fsSetIOError( fResult, 0 );
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hb_vmLock();
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if( pszFree )
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hb_xfree( pszFree );
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if( fResult )
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return ( HB_FOFFSET ) statbuf.st_size;
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#else
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char * pszFree;
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HB_BOOL fResult;
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struct stat statbuf;
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pszFileName = hb_fsNameConv( pszFileName, &pszFree );
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statbuf.st_size = 0;
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hb_vmUnlock();
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fResult = stat( ( char * ) pszFileName, &statbuf ) == 0;
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hb_fsSetIOError( fResult, 0 );
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hb_vmLock();
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if( pszFree )
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hb_xfree( pszFree );
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if( fResult )
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return ( HB_FOFFSET ) statbuf.st_size;
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#endif
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}
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else
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{
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HB_FHANDLE hFileHandle = hb_fsOpen( pszFileName, 0 );
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if( hFileHandle != FS_ERROR )
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{
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HB_FOFFSET nPos = hb_fsSeekLarge( hFileHandle, 0, FS_END );
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hb_fsClose( hFileHandle );
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return nPos;
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}
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}
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return 0;
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}
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HB_FUNC( HB_FSIZE )
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{
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const char * pszFile = hb_parc( 1 );
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hb_retnint( pszFile ? hb_fsFSize( pszFile, hb_parldef( 2, 1 ) ) : 0 );
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}
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