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/*
* Copyright (c) 1997, 1998, 1999, 2000, 2001
* Tama Communications Corporation
*
* This file is part of GNU GLOBAL.
*
* GNU GLOBAL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GNU GLOBAL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _DBOP_H_
#define _DBOP_H_
#include "gparam.h"
#include "db.h"
#include "regex.h"
#include "strbuf.h"
#define DBOP_PAGESIZE 8192
typedef struct {
/*
* (1) COMMON PART
*/
int mode; /* 0:read, 1:create, 2:modify */
int openflags; /* flags of xxxx_open() */
int ioflags; /* flags of xxxx_first() */
char *lastdat; /* the data of last located record */
regex_t *preg; /* compiled regular expression */
/*
* (2) DB185 PART
*/
DB *db; /* descripter of DB */
char dbname[MAXPATHLEN+1]; /* dbname */
char key[MAXKEYLEN+1]; /* key */
int keylen; /* key length */
char prev[MAXKEYLEN+1]; /* previous key value */
int perm; /* file permission */
} DBOP;
/*
* openflags
*/
#define DBOP_DUP 1 /* allow duplicate records */
#define DBOP_REMOVE 2 /* remove file when closed */
/*
* ioflags
*/
#define DBOP_KEY 1 /* read key part */
#define DBOP_PREFIX 2 /* prefixed read */
DBOP *dbop_open(const char *, int, int, int);
const char *dbop_get(DBOP *, const char *);
void dbop_put(DBOP *, const char *, const char *);
void dbop_delete(DBOP *, const char *);
void dbop_update(DBOP *, const char *, const char *);
const char *dbop_first(DBOP *, const char *, regex_t *, int);
const char *dbop_next(DBOP *);
const char *dbop_lastdat(DBOP *);
void dbop_close(DBOP *);
#endif /* _DBOP_H_ */
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