NetBSD/lib/libc/DB/db/db.c

134 lines
3.5 KiB
C

/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)db.c 5.4 (Berkeley) 2/11/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <errno.h>
#include <stddef.h>
#include <stdio.h>
#define __DBINTERFACE_PRIVATE
#include <db.h>
DB *
dbopen(fname, flags, mode, type, openinfo)
const char *fname;
int flags, mode;
DBTYPE type;
const void *openinfo;
{
switch (type) {
case DB_BTREE:
return (__bt_open(fname, flags, mode, openinfo));
case DB_HASH:
return (__hash_open(fname, flags, mode, openinfo));
case DB_RECNO:
return (__rec_open(fname, flags, mode, openinfo));
}
errno = EINVAL;
return (NULL);
}
static int __db_edel __P((const DB *, const DBT *, u_int));
static int __db_eget __P((const DB *, const DBT *, DBT *, u_int));
static int __db_eput __P((const DB *dbp, DBT *, const DBT *, u_int));
static int __db_eseq __P((const DB *, DBT *, DBT *, u_int));
static int __db_esync __P((const DB *));
/*
* __DBPANIC -- Stop.
*
* Parameters:
* dbp: pointer to the DB structure.
*/
void
__dbpanic(dbp)
DB *dbp;
{
/* The only thing that can succeed is a close. */
dbp->del = __db_edel;
dbp->get = __db_eget;
dbp->put = __db_eput;
dbp->seq = __db_eseq;
dbp->sync = __db_esync;
}
static int
__db_edel(dbp, key, flags)
const DB *dbp;
const DBT *key;
u_int flags;
{
return (RET_ERROR);
}
static int
__db_eget(dbp, key, data, flag)
const DB *dbp;
const DBT *key;
DBT *data;
u_int flag;
{
return (RET_ERROR);
}
static int
__db_eput(dbp, key, data, uflags)
const DB *dbp;
DBT *key;
const DBT *data;
u_int uflags;
{
return (RET_ERROR);
}
static int
__db_eseq(dbp, key, data, flags)
const DB *dbp;
DBT *key, *data;
u_int flags;
{
return (RET_ERROR);
}
static int
__db_esync(dbp)
const DB *dbp;
{
return (RET_ERROR);
}