Files
harbour-core/harbour/source/rtl/padc.c
2000-04-02 16:46:37 +00:00

84 lines
2.4 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* PADC() function
*
* Copyright 1999 Matthew Hamilton <mhamilton@bunge.com.au>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) with other files to produce
* an executable, this does not by itself cause the resulting executable
* to be covered by the GNU General Public License. Your use of that
* executable is in no way restricted on account of linking the HRL
* and/or HVM code into it.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
#include "hbapi.h"
#include "hbapiitm.h"
#include "hbapierr.h"
/* centre-pads a date, number, or string with spaces or supplied character */
HB_FUNC( PADC )
{
ULONG ulSize;
char buffer[ 128 ];
char * szText = hb_itemPadConv( hb_param( 1, HB_IT_ANY ), buffer, &ulSize );
if( szText && ISNUM( 2 ) )
{
long lLen = hb_parnl( 2 );
if( lLen > ( long ) ulSize )
{
char * szResult = ( char * ) hb_xgrab( lLen + 1 );
char cPad;
long w, lPos = ( lLen - ( long ) ulSize ) / 2;
hb_xmemcpy( szResult + lPos, szText, ( long ) ulSize + 1 );
cPad = ( ISCHAR( 3 ) ? *hb_parc( 3 ) : ' ' );
for( w = 0; w < lPos; w++ )
szResult[ w ] = cPad;
for( w = ( long ) ulSize + lPos; w < lLen; w++ )
szResult[ w ] = cPad;
szResult[ lLen ] = '\0';
hb_retclen( szResult, lLen );
hb_xfree( szResult );
}
else
{
if( lLen < 0 )
lLen = 0;
hb_retclen( szText, lLen );
}
}
else
hb_retc( "" );
}