58faf91453
* *
% remove brandings and homepage [1] from copyright header. Pass 1 - using script.
[1] nobody has access to it anymore AFAIK - and it's also just
a redirect since long
! update url in copyright header
; this should make the diff between 3.4 and 3.2 easier to manage
111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
/*
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* hb_StrXor()
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*
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* Copyright 2009 Mindaugas Kavaliauskas <dbtopas at dbtopas.lt>
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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.txt. 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 https://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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#include "hbapierr.h"
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#include "hbapiitm.h"
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HB_FUNC( HB_STRXOR )
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{
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PHB_ITEM pItem = hb_param( 1, HB_IT_STRING );
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if( pItem )
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{
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PHB_ITEM pItem2;
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HB_SIZE nLen1, nLen2, n, n2;
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const char * pStr1;
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const char * pStr2;
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char * pRet;
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pStr1 = hb_itemGetCPtr( pItem );
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nLen1 = hb_itemGetCLen( pItem );
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if( ( pItem2 = hb_param( 2, HB_IT_STRING ) ) != NULL )
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{
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nLen2 = hb_itemGetCLen( pItem2 );
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if( nLen2 )
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{
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pStr2 = hb_itemGetCPtr( pItem2 );
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pRet = ( char * ) hb_xgrab( nLen1 + 1 );
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memcpy( pRet, pStr1, nLen1 + 1 );
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n2 = 0;
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for( n = 0; n < nLen1; n++ )
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{
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pRet[ n ] ^= pStr2[ n2 ];
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if( ++n2 == nLen2 )
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n2 = 0;
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}
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hb_retclen_buffer( pRet, nLen1 );
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}
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else
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hb_itemReturn( pItem );
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return;
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}
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else if( ( pItem2 = hb_param( 2, HB_IT_NUMERIC ) ) != NULL )
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{
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char bChar = ( char ) hb_itemGetNI( pItem2 );
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if( bChar )
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{
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pRet = ( char * ) hb_xgrab( nLen1 + 1 );
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memcpy( pRet, pStr1, nLen1 + 1 );
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for( n = 0; n < nLen1; n++ )
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pRet[ n ] ^= bChar;
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hb_retclen_buffer( pRet, nLen1 );
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}
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else
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hb_itemReturn( pItem );
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return;
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}
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}
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hb_errRT_BASE_SubstR( EG_ARG, 3012, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
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}
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