101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* $XConsortium: storage.h /main/5 1996/08/21 15:53:54 drk $
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*
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* Copyright (c) 1993 HAL Computer Systems International, Ltd.
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* All rights reserved. Unpublished -- rights reserved under
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* the Copyright Laws of the United States. USE OF A COPYRIGHT
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* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
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* OR DISCLOSURE.
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*
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* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
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* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
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* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
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* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
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* INTERNATIONAL, LTD.
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*
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* RESTRICTED RIGHTS LEGEND
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* Use, duplication, or disclosure by the Government is subject
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* to the restrictions as set forth in subparagraph (c)(l)(ii)
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* of the Rights in Technical Data and Computer Software clause
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* at DFARS 252.227-7013.
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*
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* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
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* 1315 Dell Avenue
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* Campbell, CA 95008
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*
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*/
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#ifndef _unixf_storage_h
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#define _unixf_storage_h 1
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef C_API
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#include "utility/c_fstream.h"
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#else
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#include <fstream>
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using namespace std;
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#endif
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#include "utility/macro.h"
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#include "storage/lru.h"
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#include "storage/storage.h"
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extern lru unixf_mgr;
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class storage : public rep_cell, public root, private fstream
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{
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protected:
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int mode;
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char name[PATHSIZ];
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rep_policy *policy;
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int _open();
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public:
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// mode: see ios::in etc. stuff in file iostream.h
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unixf_storage(char* filenm, int init_buf_sz = LBUFSIZ,
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int md = ios::in | ios::out, rep_policy* = 0
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);
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virtual ~unixf_storage() ;
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// IO functions
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virtual int readString (mmdb_pos_t loc, char*&, int len, int str_offset = 0);
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virtual int appendString(mmdb_pos_t& loc, char*, int len);
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virtual int updateString(mmdb_pos_t loc, char* base, int len, int string_ofst = 0);
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virtual int allocString (mmdb_pos_t&, int, char*&, int = 0) = 0;
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// status function
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const char* my_nick_name() ; // name of the unix file
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int bytes() ;
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};
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typedef storage* storagePtr;
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#endif
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