265 lines
6.4 KiB
C
265 lines
6.4 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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* The FileSys API (Harbour level)
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*
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* Copyright 1999 Manuel Ruiz <mrt@joca.es>
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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 1999-2001 Viktor Szakats <viktor.szakats@syenar.hu>
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* CURDIR()
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*
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* Copyright 2000 David G. Holm <dholm@jsd-llc.com>
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* HB_F_EOF()
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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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#include <ctype.h>
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#include "hbapi.h"
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#include "hbapifs.h"
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#include "hbapierr.h"
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#include "hbapiitm.h"
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#include "hbset.h"
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#include "hbstack.h"
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HB_FUNC( FOPEN )
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{
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if( ISCHAR( 1 ) )
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hb_retni( hb_fsOpen( ( BYTE * ) hb_parc( 1 ),
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ISNUM( 2 ) ? hb_parni( 2 ) : FO_READ | FO_COMPAT ) );
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else
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hb_errRT_BASE( EG_ARG, 2021, NULL, "FOPEN", 2, hb_paramError( 1 ), hb_paramError( 2 ) ); /* NOTE: Undocumented but existing Clipper Run-time error */
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}
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HB_FUNC( FCREATE )
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{
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if( ISCHAR( 1 ) )
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hb_retni( hb_fsCreate( ( BYTE * ) hb_parc( 1 ),
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ISNUM( 2 ) ? hb_parni( 2 ) : FC_NORMAL ) );
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else
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hb_retni( FS_ERROR );
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}
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#ifdef HB_EXTENSION
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HB_FUNC( HB_FCREATE )
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{
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if( ISCHAR( 1 ) )
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hb_retni( hb_fsCreateEx( ( BYTE * ) hb_parc( 1 ),
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ISNUM( 2 ) ? hb_parni( 2 ) : FC_NORMAL,
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ISNUM( 3 ) ? hb_parni( 3 ) : FO_COMPAT ) );
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else
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hb_retni( FS_ERROR );
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}
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#endif
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HB_FUNC( FREAD )
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{
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ULONG ulRead;
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if( ISNUM( 1 ) && ISCHAR( 2 ) && ISBYREF( 2 ) && ISNUM( 3 ) )
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{
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PHB_ITEM pItem = hb_itemUnRef( hb_stackItemFromBase( 2 ) );
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if( pItem->item.asString.bStatic ||
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( * pItem->item.asString.u.puiHolders ) > 1 )
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// Warning: Don't use hb_itemPutC() here, as it fails if 1 byte buffer used
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// cause 1 byte length strings optimization
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hb_itemPutCPtr( pItem, hb_strdup( hb_parc( 2 ) ), hb_parclen( 2 ) );
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ulRead = hb_parnl( 3 );
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/* NOTE: CA-Clipper determines the maximum size by calling _parcsiz()
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instead of _parclen(), this means that the maximum read length
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will be one more than the length of the passed buffer, because
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the terminating zero could be used if needed. [vszakats] */
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if( ulRead <= hb_parcsiz( 2 ) )
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/* NOTE: Warning, the read buffer will be directly modified,
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this is normal here ! [vszakats] */
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ulRead = hb_fsReadLarge( hb_parni( 1 ),
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( BYTE * ) hb_parc( 2 ),
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ulRead );
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else
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ulRead = 0;
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}
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else
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ulRead = 0;
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hb_retnl( ulRead );
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}
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HB_FUNC( FWRITE )
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{
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if( ISNUM( 1 ) && ISCHAR( 2 ) )
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hb_retnl( hb_fsWriteLarge( hb_parni( 1 ),
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( BYTE * ) hb_parc( 2 ),
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ISNUM( 3 ) ? hb_parnl( 3 ) : hb_parclen( 2 ) ) );
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else
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hb_retnl( 0 );
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}
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HB_FUNC( FERROR )
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{
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hb_retni( hb_fsError() );
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}
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HB_FUNC( FCLOSE )
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{
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hb_fsSetError( 0 );
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if( ISNUM( 1 ) )
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{
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hb_fsClose( hb_parni( 1 ) );
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hb_retl( hb_fsError() == 0 );
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}
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else
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hb_retl( FALSE );
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}
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HB_FUNC( FERASE )
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{
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hb_fsSetError( 3 );
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hb_retni( ( ISCHAR( 1 ) &&
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hb_fsDelete( ( BYTE * ) hb_parc( 1 ) ) ) ? 0 : -1 );
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}
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HB_FUNC( FRENAME )
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{
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hb_fsSetError( 2 );
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hb_retni( ( ISCHAR( 1 ) && ISCHAR( 2 ) &&
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hb_fsRename( ( BYTE * ) hb_parc( 1 ), ( BYTE * ) hb_parc( 2 ) ) ) ? 0 : -1 );
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}
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HB_FUNC( FSEEK )
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{
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if( ISNUM( 1 ) && ISNUM( 2 ) )
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hb_retnl( hb_fsSeek( hb_parni( 1 ),
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hb_parnl( 2 ),
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ISNUM( 3 ) ? hb_parni( 3 ) : FS_SET ) );
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else
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hb_retnl( 0 );
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}
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HB_FUNC( FREADSTR )
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{
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if( ISNUM( 1 ) && ISNUM( 2 ) )
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{
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ULONG ulToRead = ( ULONG ) hb_parnl( 2 );
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if( ulToRead > 0 )
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{
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FHANDLE fhnd = ( FHANDLE ) hb_parni( 1 );
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BYTE * buffer = ( BYTE * ) hb_xgrab( ulToRead + 1 );
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ULONG ulRead;
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ulRead = hb_fsReadLarge( fhnd, buffer, ulToRead );
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buffer[ ulRead ] = '\0';
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/* NOTE: Clipper will not return zero chars from this functions. */
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hb_retc_buffer( ( char * ) buffer );
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}
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else
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hb_retc( NULL );
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}
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else
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hb_retc( NULL );
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}
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/* NOTE: This function should not return the leading and trailing */
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/* (back)slashes. [vszakats] */
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/* TODO: Xbase++ is able to change to the specified directory. */
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HB_FUNC( CURDIR )
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{
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BYTE byBuffer[ _POSIX_PATH_MAX + 1 ];
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USHORT uiErrorOld = hb_fsError();
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hb_fsCurDirBuff( ( ISCHAR( 1 ) && hb_parclen( 1 ) > 0 ) ?
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( USHORT )( toupper( *hb_parc( 1 ) ) - 'A' + 1 ) : 0, byBuffer, _POSIX_PATH_MAX + 1 );
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hb_retc( ( char * ) byBuffer );
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hb_fsSetError( uiErrorOld );
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}
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#ifdef HB_EXTENSION
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HB_FUNC( HB_F_EOF )
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{
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if( ISNUM( 1 ) )
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{
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hb_retl( hb_fsEof( hb_parni( 1 ) ) );
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}
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else
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{
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hb_fsSetError( FS_ERROR );
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hb_retl( TRUE );
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}
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}
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HB_FUNC( HB_OSPATHSEPARATOR )
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{
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char ret[2];
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ret[1] = 0;
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ret[0] = OS_PATH_DELIMITER;
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hb_retc( ret );
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}
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HB_FUNC( HB_OSPATHLISTSEPARATOR )
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{
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char ret[2];
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ret[1] = 0;
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ret[0] = OS_PATH_LIST_SEPARATOR;
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hb_retc( ret );
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}
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HB_FUNC( HB_OSPATHDELIMITERS )
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{
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hb_retc( OS_PATH_DELIMITER_LIST );
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}
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#endif
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