9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
79 lines
3.1 KiB
C
79 lines
3.1 KiB
C
/*
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* ZLIB compression for Harbour hb_inet*() connections
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*
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* Copyright 2010 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
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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 "hbsocket.h"
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#include "hbznet.h"
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#include "hbzlib.ch"
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/* this function is intentionally not in hbinet.c to not create binding
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* to ZLIB if user does not use it
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*/
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HB_FUNC( HB_INETCOMPRESS )
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{
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PHB_ITEM pItem = hb_param( 1, HB_IT_POINTER );
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int iLevel = hb_parnidef( 2, HB_ZLIB_COMPRESSION_DEFAULT ),
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iStrategy = hb_parnidef( 3, HB_ZLIB_STRATEGY_DEFAULT );
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if( iLevel == HB_ZLIB_COMPRESSION_DISABLE )
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hb_znetInetInitialize( pItem, NULL, NULL, NULL, NULL, NULL, NULL, NULL );
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else
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{
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PHB_ZNETSTREAM pStream = hb_znetOpen( iLevel, iStrategy );
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if( pStream == NULL )
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pItem = NULL; /* to force RTE */
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if( hb_znetInetInitialize( pItem, pStream, hb_znetRead, hb_znetWrite,
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hb_znetFlush, hb_znetClose, NULL, NULL ) )
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{
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int keylen = ( int ) hb_parclen( 4 );
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if( keylen )
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hb_znetEncryptKey( pStream, hb_parc( 4 ), keylen );
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}
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else if( pStream )
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hb_znetClose( pStream );
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}
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}
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