142 lines
4.4 KiB
C
142 lines
4.4 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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* MEMOWRIT()/MEMOREAD() functions
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*
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* Copyright 1999-2001 Viktor Szakats <viktor.szakats@syenar.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, 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 "hbapiitm.h"
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#include "hbapifs.h"
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/* NOTE: CA-Clipper has 64K (65516 bytes exactly) limit on read, in Harbour
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this limit is extended, so we are not *strictly* compatible here.
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[vszakats] */
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HB_FUNC( MEMOREAD )
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{
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PHB_ITEM pFileName = hb_param( 1, HB_IT_STRING );
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if( pFileName )
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{
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FHANDLE fhnd = hb_fsOpen( ( BYTE * ) hb_itemGetCPtr( pFileName ), FO_READ | FO_SHARED | FO_PRIVATE );
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if( fhnd != FS_ERROR )
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{
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ULONG ulSize = hb_fsSeek( fhnd, 0, FS_END );
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if( ulSize != 0 )
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{
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BYTE * pbyBuffer;
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/* Don't read the file terminating EOF character */
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#if ! defined(OS_UNIX_COMPATIBLE)
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{
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BYTE byEOF = HB_CHAR_NUL;
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hb_fsSeek( fhnd, -1, FS_END );
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hb_fsRead( fhnd, &byEOF, sizeof( BYTE ) );
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if( byEOF == HB_CHAR_EOF )
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ulSize--;
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}
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#endif
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pbyBuffer = ( BYTE * ) hb_xgrab( ulSize + sizeof( char ) );
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hb_fsSeek( fhnd, 0, FS_SET );
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hb_fsReadLarge( fhnd, pbyBuffer, ulSize );
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hb_fsClose( fhnd );
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hb_itemPutCPtr( hb_itemReturnPtr(), ( char * ) pbyBuffer, ulSize );
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}
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else
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hb_retc( "" );
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}
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else
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hb_retc( "" );
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}
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else
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hb_retc( "" );
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}
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HB_FUNC( MEMOWRIT )
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{
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PHB_ITEM pFileName = hb_param( 1, HB_IT_STRING );
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PHB_ITEM pString = hb_param( 2, HB_IT_STRING );
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BOOL bRetVal = FALSE;
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if( pFileName && pString )
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{
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FHANDLE fhnd = hb_fsCreate( ( BYTE * ) hb_itemGetCPtr( pFileName ), FC_NORMAL );
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if( fhnd != FS_ERROR )
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{
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ULONG ulSize = hb_itemGetCLen( pString );
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bRetVal = ( hb_fsWriteLarge( fhnd, ( BYTE * ) hb_itemGetCPtr( pString ), ulSize ) == ulSize );
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/* NOTE: CA-Clipper will add the EOF even if the write failed. [vszakats] */
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/* NOTE: CA-Clipper will not return .F. when the EOF could not be written. [vszakats] */
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#if ! defined(OS_UNIX_COMPATIBLE)
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{
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BYTE byEOF = HB_CHAR_EOF;
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hb_fsWrite( fhnd, &byEOF, sizeof( BYTE ) );
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}
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#endif
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hb_fsClose( fhnd );
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}
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}
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hb_retl( bRetVal );
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}
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