b16bf45375
* harbour/ChangeLog
! cleaned some typos in my recent ChangeLog entries
* harbour/include/hbvm.h
* harbour/include/hbvmpub.h
* harbour/include/hbsetup.h
* harbour/include/hbapi.h
* harbour/include/hbapierr.h
* added some function attributes which can improve code optimization
or introduce some additional warnings.
Now it works only in GCC builds.
* harbour/source/vm/hvm.c
! fixed missing double decimal places initialization in some number
negating
! fixed setting number of decimal places in plus and minus operations
if integer overflow forces conversion to double item
* some minor optimizations
* harbour/source/rtl/rat.c
* formatting
141 lines
3.9 KiB
C
141 lines
3.9 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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* RAT() 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, 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 software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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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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HB_FUNC( RAT )
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{
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ULONG ulSubLen = hb_parclen( 1 );
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if( ulSubLen )
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{
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long lPos = hb_parclen( 2 ) - ulSubLen;
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if( lPos >= 0 )
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{
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char * pszSub = hb_parc( 1 );
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char * pszText = hb_parc( 2 );
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BOOL bFound = FALSE;
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while( lPos >= 0 && !bFound )
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{
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if( *( pszText + lPos ) == *pszSub )
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bFound = ( memcmp( pszSub, pszText + lPos, ulSubLen ) == 0 );
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lPos--;
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}
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hb_retnl( bFound ? lPos + 2 : 0 );
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}
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else
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hb_retni( 0 );
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}
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else
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/* This function never seems to raise an error */
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hb_retni( 0 );
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}
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HB_FUNC( HB_RAT )
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{
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ULONG ulSubLen = hb_parclen( 1 );
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if( ulSubLen )
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{
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long lPos = hb_parclen( 2 ) - ulSubLen;
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if( lPos >= 0 )
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{
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char * pszSub = hb_parc( 1 );
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char * pszText = hb_parc( 2 );
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BOOL bFound = FALSE;
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long lStart;
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if( ISNUM( 3 ) )
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{
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lStart = hb_parnl( 3 );
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if( lStart >= 1 )
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--lStart;
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else
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lStart = 0;
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}
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else
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lStart = 0;
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if( ISNUM( 4 ) )
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{
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long lEnd = hb_parnl( 4 );
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if( lEnd >= 1 )
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{
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--lEnd;
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if( lEnd < lPos )
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lPos = lEnd;
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}
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}
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while( lPos >= lStart && !bFound )
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{
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if( *( pszText + lPos ) == *pszSub )
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bFound = ( memcmp( pszSub, pszText + lPos, ulSubLen ) == 0 );
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lPos--;
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}
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hb_retnl( bFound ? lPos + 2 : 0 );
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}
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else
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hb_retni( 0 );
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}
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else
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/* This function never seems to raise an error */
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hb_retni( 0 );
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}
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