94 lines
2.6 KiB
C
94 lines
2.6 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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* REPLICATE() function
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*
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* Copyright 1999 Antonio Linares <alinares@fivetech.com>
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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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#include "hbapi.h"
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#include "hbapiitm.h"
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#include "hbapierr.h"
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/* returns n copies of given string */
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HB_FUNC( REPLICATE )
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{
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if( ISCHAR( 1 ) && ISNUM( 2 ) )
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{
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long lTimes = hb_parnl( 2 );
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if( lTimes > 0 )
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{
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ULONG ulLen = hb_parclen( 1 );
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if( ( double ) ( ( double ) ulLen * ( double ) lTimes ) < ( double ) ULONG_MAX )
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{
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char * szText = hb_parc( 1 );
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char * szResult = ( char * ) hb_xgrab( ( ulLen * lTimes ) + 1 );
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char * szPtr = szResult;
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long i;
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for( i = 0; i < lTimes; i++ )
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{
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hb_xmemcpy( szPtr, szText, ulLen );
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szPtr += ulLen;
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}
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hb_retclen( szResult, ulLen * lTimes );
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hb_xfree( szResult );
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}
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else
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{
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PHB_ITEM pResult = hb_errRT_BASE_Subst( EG_STROVERFLOW, 1234, NULL, "REPLICATE" );
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if( pResult )
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{
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hb_itemReturn( pResult );
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hb_itemRelease( pResult );
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}
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}
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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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{
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PHB_ITEM pResult = hb_errRT_BASE_Subst( EG_ARG, 1106, NULL, "REPLICATE" );
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if( pResult )
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{
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hb_itemReturn( pResult );
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hb_itemRelease( pResult );
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}
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}
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}
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