9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
122 lines
4.0 KiB
C
122 lines
4.0 KiB
C
/*
|
|
* StrZero() function
|
|
*
|
|
* Copyright 1999-2001 Viktor Szakats (vszakats.net/harbour)
|
|
*
|
|
* 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, or (at your option)
|
|
* any later version.
|
|
*
|
|
* 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; see the file LICENSE.txt. If not, write to
|
|
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
|
|
*
|
|
* As a special exception, the Harbour Project gives permission for
|
|
* additional uses of the text contained in its release of Harbour.
|
|
*
|
|
* The exception is that, if you link the Harbour libraries 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 Harbour library code into it.
|
|
*
|
|
* This exception does not however invalidate any other reasons why
|
|
* the executable file might be covered by the GNU General Public License.
|
|
*
|
|
* This exception applies only to the code released by the Harbour
|
|
* Project under the name Harbour. If you copy code from other
|
|
* Harbour Project or Free Software Foundation releases into a copy of
|
|
* Harbour, as the General Public License permits, the exception does
|
|
* not apply to the code that you add in this way. To avoid misleading
|
|
* anyone as to the status of such modified files, you must delete
|
|
* this exception notice from them.
|
|
*
|
|
* If you write modifications of your own for Harbour, it is your choice
|
|
* whether to permit this exception to apply to your modifications.
|
|
* If you do not wish that, delete this exception notice.
|
|
*
|
|
*/
|
|
|
|
#include "hbapi.h"
|
|
#include "hbapiitm.h"
|
|
#include "hbapierr.h"
|
|
|
|
HB_FUNC( STRZERO )
|
|
{
|
|
int iParams = hb_pcount();
|
|
|
|
if( iParams >= 1 && iParams <= 3 )
|
|
{
|
|
PHB_ITEM pNumber = hb_param( 1, HB_IT_NUMERIC );
|
|
PHB_ITEM pWidth = NULL;
|
|
PHB_ITEM pDec = NULL;
|
|
|
|
if( iParams >= 2 )
|
|
{
|
|
pWidth = hb_param( 2, HB_IT_NUMERIC );
|
|
if( pWidth == NULL )
|
|
pNumber = NULL;
|
|
else if( iParams >= 3 )
|
|
{
|
|
pDec = hb_param( 3, HB_IT_NUMERIC );
|
|
if( pDec == NULL )
|
|
pNumber = NULL;
|
|
}
|
|
}
|
|
|
|
if( pNumber )
|
|
{
|
|
char * szResult = hb_itemStr( pNumber, pWidth, pDec );
|
|
|
|
if( szResult )
|
|
{
|
|
HB_SIZE nPos = 0;
|
|
|
|
while( szResult[ nPos ] != '\0' && szResult[ nPos ] != '-' )
|
|
nPos++;
|
|
|
|
if( szResult[ nPos ] == '-' )
|
|
{
|
|
/* NOTE: Negative sign found, put it to the first position */
|
|
|
|
szResult[ nPos ] = ' ';
|
|
|
|
nPos = 0;
|
|
while( szResult[ nPos ] != '\0' && szResult[ nPos ] == ' ' )
|
|
szResult[ nPos++ ] = '0';
|
|
|
|
szResult[ 0 ] = '-';
|
|
}
|
|
else
|
|
{
|
|
/* Negative sign not found */
|
|
|
|
nPos = 0;
|
|
while( szResult[ nPos ] != '\0' && szResult[ nPos ] == ' ' )
|
|
szResult[ nPos++ ] = '0';
|
|
}
|
|
|
|
hb_retc_buffer( szResult );
|
|
}
|
|
else
|
|
hb_retc_null();
|
|
}
|
|
else
|
|
#ifdef HB_CLP_STRICT
|
|
/* NOTE: In CA-Cl*pper StrZero() is written in Clipper, and will call
|
|
Str() to do the job, the error (if any) will also be thrown
|
|
by Str(). [vszakats] */
|
|
hb_errRT_BASE_SubstR( EG_ARG, 1099, NULL, "STR", HB_ERR_ARGS_BASEPARAMS );
|
|
#else
|
|
hb_errRT_BASE_SubstR( EG_ARG, 6003, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
|
|
#endif
|
|
}
|
|
}
|