9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
132 lines
3.7 KiB
C
132 lines
3.7 KiB
C
/*
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* CT3 Blank() function
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*
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* Copyright 2009 Pavel Tsarenko <tpe2@mail.ru>
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* http://www.xharbour.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 program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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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 "ct.h"
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HB_FUNC( BLANK )
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{
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PHB_ITEM pItem = hb_param( 1, HB_IT_ANY );
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HB_BOOL bRef = HB_ISBYREF( 1 );
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HB_BOOL bRet = ! ct_getref();
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if( ! pItem )
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{
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if( bRet )
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hb_retl( HB_FALSE );
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}
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else if( HB_IS_TIMESTAMP( pItem ) )
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{
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if( bRef )
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hb_stortdt( 0, 0, 1 );
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if( bRet )
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hb_rettdt( 0, 0 );
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}
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else if( HB_IS_DATE( pItem ) )
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{
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if( bRef )
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hb_stordl( 0, 1 );
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if( bRet )
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hb_retdl( 0 );
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}
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else if( HB_IS_NUMBER( pItem ) )
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{
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if( bRef )
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hb_stornl( 0, 1 );
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if( bRet )
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hb_retnl( 0 );
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}
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else if( HB_IS_STRING( pItem ) )
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{
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PHB_ITEM pMode = hb_param( 2, HB_IT_LOGICAL );
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if( pMode && hb_itemGetL( pMode ) )
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{
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HB_SIZE nLen = hb_itemGetCLen( pItem );
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char * szResult = ( char * ) hb_xgrab( nLen + 1 );
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hb_xmemset( szResult, ' ', nLen );
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if( bRef )
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hb_storclen( szResult, nLen, 1 );
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if( bRet )
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hb_retclen_buffer( szResult, nLen );
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else
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hb_xfree( szResult );
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}
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else
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{
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if( bRef )
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hb_storc( NULL, 1 );
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if( bRet )
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hb_retc_null();
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}
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}
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else if( HB_IS_ARRAY( pItem ) )
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{
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if( bRef )
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hb_arraySize( pItem, 0 );
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if( bRet )
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hb_reta( 0 );
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}
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else if( HB_IS_LOGICAL( pItem ) )
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{
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if( bRef )
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hb_storl( HB_FALSE, 1 );
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if( bRet )
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hb_retl( HB_FALSE );
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}
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else
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{
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if( bRet )
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hb_retl( HB_FALSE );
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}
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if( ! bRet )
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hb_ret();
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}
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