9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
109 lines
3.3 KiB
C
109 lines
3.3 KiB
C
/*
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* Bin2U(), W2Bin(), U2Bin() functions
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*
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* Copyright 2009 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
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* Copyright 1999-2001 Viktor Szakats (vszakats.net/harbour)
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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 program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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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 "hbapiitm.h"
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HB_FUNC( BIN2U )
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{
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PHB_ITEM pItem = hb_param( 1, HB_IT_STRING );
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HB_U32 uiResult = 0;
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if( pItem )
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{
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HB_SIZE nLen = hb_itemGetCLen( pItem );
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if( nLen )
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{
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const char * pszString = hb_itemGetCPtr( pItem );
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if( nLen >= 3 )
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uiResult = HB_GET_LE_UINT32( pszString );
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else
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uiResult = HB_GET_LE_UINT16( pszString );
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}
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}
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hb_retnint( uiResult );
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}
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HB_FUNC( U2BIN )
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{
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char szResult[ 4 ];
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HB_U32 uiValue = ( HB_U32 ) hb_parnint( 1 );
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HB_PUT_LE_UINT32( szResult, uiValue );
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hb_retclen( szResult, 4 );
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}
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HB_FUNC( W2BIN )
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{
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char szResult[ 2 ];
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HB_U16 uiValue = ( HB_U16 ) hb_parni( 1 );
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HB_PUT_LE_UINT16( szResult, uiValue );
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hb_retclen( szResult, 2 );
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}
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HB_FUNC( F2BIN )
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{
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char buf[ sizeof( double ) ];
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double d = hb_parnd( 1 );
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HB_PUT_LE_DOUBLE( buf, d );
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hb_retclen( buf, sizeof( buf ) );
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}
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HB_FUNC( BIN2F )
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{
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if( hb_parclen( 1 ) >= sizeof( double ) )
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{
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const char * buf = hb_parc( 1 );
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hb_retnd( HB_GET_LE_DOUBLE( buf ) );
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}
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else
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hb_retnd( 0.0 );
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}
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