113 lines
3.5 KiB
C++
113 lines
3.5 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: unixf_storage.h /main/5 1996/07/18 14:56:35 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 Unpublished -- rights reserved under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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#include "utility/funcs.h"
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#include "storage/lru.h"
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#include "storage/abs_storage.h"
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extern lru unixf_mgr;
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//class unixf_storage : public rep_cell, public abs_storage, public fstream
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class unixf_storage : public abs_storage, public fstream
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{
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protected:
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int mode;
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int total_bytes;
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int _open(int mode);
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Boolean v_file_exist;
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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* file_path,
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char* file_nm,
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rep_policy*,
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int md = ios::in | ios::out
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);
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virtual ~unixf_storage() ;
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virtual void remove() ;
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// IO functions
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int readString (mmdb_pos_t loc, char*, int len, int str_offset = 0);
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int appendString(mmdb_pos_t loc, const char*, int len, Boolean flush_opt = false);
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int updateString(mmdb_pos_t loc, const char* base, int len, int string_ofst = 0, Boolean flush = false);
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// non-applicable funcs
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int insertString(mmdb_pos_t& , const char* , int, Boolean = false)
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{ return -1; };
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int get_str_ptr(mmdb_pos_t, char*&, int& )
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{ return -1; };
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int deleteString (mmdb_pos_t, Boolean = false )
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{ return -1; };
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int allocString (mmdb_pos_t& , int, char*&, int = 0)
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{ return -1; };
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virtual int truncate(int target_length_in_bytes);
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Boolean io_mode(int mode) ;
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int bytes() ;
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friend class storage_mgr_t;
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friend class ld_dyn_hash;
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friend class handler;
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};
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typedef unixf_storage* unixf_storagePtr;
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#endif
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