root/libdb/db.c(48.html)

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DEFINITIONS

This source file includes following definitions.
  1. dbopen
  2. __dberr
  3. __dbpanic

/*-
 * Copyright (c) 1991, 1993
 *      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. 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 8.4 (Berkeley) 2/21/94"; #endif /* LIBC_SCCS and not lint */
#ifdef HAVE_CONFIG_H #include <config.h> #endif #include <sys/types.h> #include <errno.h> #include <fcntl.h> #include <stddef.h> #include <stdio.h> #include "db.h" DB * dbopen(fname, flags, mode, type, openinfo) const char *fname; int flags, mode; DBTYPE type; const void *openinfo; { #define DB_FLAGS (DB_LOCK | DB_SHMEM | DB_TXN) #define USE_OPEN_FLAGS \ (O_CREAT | O_EXCL | O_EXLOCK | O_NONBLOCK | O_RDONLY | \ O_RDWR | O_SHLOCK | O_TRUNC) if ((flags & ~(USE_OPEN_FLAGS | DB_FLAGS)) == 0) switch (type) { case DB_BTREE: return (__bt_open(fname, (flags & USE_OPEN_FLAGS) | O_BINARY, mode, openinfo, flags & DB_FLAGS)); /* case DB_HASH: return (__hash_open(fname, (flags & USE_OPEN_FLAGS) | O_BINARY, mode, openinfo, flags & DB_FLAGS)); case DB_RECNO: return (__rec_open(fname, (flags & USE_OPEN_FLAGS) | O_BINARY, mode, openinfo, flags & DB_FLAGS)); */
} errno = EINVAL; return (NULL); } static int __dberr() { return (RET_ERROR); } /* * __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 = (int (*)())__dberr; dbp->fd = (int (*)())__dberr; dbp->get = (int (*)())__dberr; dbp->put = (int (*)())__dberr; dbp->seq = (int (*)())__dberr; dbp->sync = (int (*)())__dberr; }

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