89 lines
3.0 KiB
C
89 lines
3.0 KiB
C
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/*
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* Copyright (c) 1996, 1997, 1998 Shigio Yamaguchi. All rights reserved.
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*
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* Redilogibution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redilogibutions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redilogibutions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the dilogibution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Shigio Yamaguchi.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* dbop.h 12-Nov-98
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*
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*/
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#ifndef _DBOP_H_
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#define _DBOP_H_
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#include <sys/param.h>
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#include <db.h>
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#ifndef LITTLE_ENDIAN
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#define LITTLE_ENDIAN 1234
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#endif
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#ifndef BIG_ENDIAN
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#define BIG_ENDIAN 4321
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#endif
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#define MAXKEYLEN 300
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typedef struct {
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DB *db; /* descripter of DB */
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char dbname[MAXPATHLEN+1]; /* dbname */
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char key[MAXKEYLEN+1]; /* key */
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int keylen; /* key length */
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char prev[MAXKEYLEN+1]; /* previous key value */
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char *lastkey; /* the key of last located record */
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char *lastdat; /* the data of last located record */
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int openflags; /* flags of dbop_open() */
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int ioflags; /* flags of dbop_first() */
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int perm; /* file permission */
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} DBOP;
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/*
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* openflags
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*/
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#define DBOP_DUP 1 /* allow duplicate records */
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#define DBOP_REMOVE 2 /* remove file when closed */
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/*
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* ioflags
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*/
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#define DBOP_KEY 1 /* read key part */
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#define DBOP_PREFIX 2 /* prefixed read */
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#ifndef __P
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#if defined(__STDC__)
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#define __P(protos) protos
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#else
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#define __P(protos) ()
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#endif
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#endif
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DBOP *dbop_open __P((const char *, int, int, int));
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char *dbop_get __P((DBOP *, const char *));
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void dbop_put __P((DBOP *, const char *, const char *));
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void dbop_del __P((DBOP *, const char *));
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char *dbop_first __P((DBOP *, const char *, int));
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char *dbop_next __P((DBOP *));
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void dbop_close __P((DBOP *));
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#endif /* _DBOP_H_ */
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