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-rw-r--r--db2/dbm/dbm.c503
1 files changed, 0 insertions, 503 deletions
diff --git a/db2/dbm/dbm.c b/db2/dbm/dbm.c
deleted file mode 100644
index 5bcb53f023..0000000000
--- a/db2/dbm/dbm.c
+++ /dev/null
@@ -1,503 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-/*
- * Copyright (c) 1990, 1993
- *	Margo Seltzer.  All rights reserved.
- */
-/*
- * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Margo Seltzer.
- *
- * 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.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)dbm.c	10.23 (Sleepycat) 11/22/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-#endif
-
-#define	DB_DBM_HSEARCH	1
-#include "db_int.h"
-
-#include "db_page.h"
-#include "hash.h"
-
-/*
- *
- * This package provides dbm and ndbm compatible interfaces to DB.
- *
- * The DBM routines, which call the NDBM routines.
- */
-static DBM *__cur_db;
-
-static void __db_no_open __P((void));
-
-int
-__db_dbm_init(file)
-	char *file;
-{
-	if (__cur_db != NULL)
-		(void)dbm_close(__cur_db);
-	if ((__cur_db =
-	    dbm_open(file, O_CREAT | O_RDWR, __db_omode("rw----"))) != NULL)
-		return (0);
-	if ((__cur_db = dbm_open(file, O_RDONLY, 0)) != NULL)
-		return (0);
-	return (-1);
-}
-weak_alias (__db_dbm_init, dbminit)
-
-int
-__db_dbm_close()
-{
-	if (__cur_db != NULL) {
-		dbm_close(__cur_db);
-		__cur_db = NULL;
-	}
-	return (0);
-}
-
-datum
-__db_dbm_fetch(key)
-	datum key;
-{
-	datum item;
-
-	if (__cur_db == NULL) {
-		__db_no_open();
-		item.dptr = 0;
-		return (item);
-	}
-	return (dbm_fetch(__cur_db, key));
-}
-weak_alias (__db_dbm_fetch, fetch)
-
-datum
-__db_dbm_firstkey()
-{
-	datum item;
-
-	if (__cur_db == NULL) {
-		__db_no_open();
-		item.dptr = 0;
-		return (item);
-	}
-	return (dbm_firstkey(__cur_db));
-}
-#undef firstkey
-weak_alias (__db_dbm_firstkey, firstkey)
-
-datum
-__db_dbm_nextkey(key)
-	datum key;
-{
-	datum item;
-
-	COMPQUIET(key.dsize, 0);
-
-	if (__cur_db == NULL) {
-		__db_no_open();
-		item.dptr = 0;
-		return (item);
-	}
-	return (dbm_nextkey(__cur_db));
-}
-weak_alias (__db_dbm_nextkey, nextkey)
-
-int
-__db_dbm_delete(key)
-	datum key;
-{
-	if (__cur_db == NULL) {
-		__db_no_open();
-		return (-1);
-	}
-	return (dbm_delete(__cur_db, key));
-}
-weak_alias (__db_dbm_delete, delete)
-
-int
-__db_dbm_store(key, dat)
-	datum key, dat;
-{
-	if (__cur_db == NULL) {
-		__db_no_open();
-		return (-1);
-	}
-	return (dbm_store(__cur_db, key, dat, DBM_REPLACE));
-}
-weak_alias (__db_dbm_store, store)
-
-static void
-__db_no_open()
-{
-	(void)fprintf(stderr, "dbm: no open database.\n");
-}
-
-/*
- * This package provides dbm and ndbm compatible interfaces to DB.
- *
- * The NDBM routines, which call the DB routines.
- */
-/*
- * Returns:
- * 	*DBM on success
- *	 NULL on failure
- */
-DBM *
-__db_ndbm_open(file, oflags, mode)
-	const char *file;
-	int oflags, mode;
-{
-	DB *dbp;
-	DBC *dbc;
-	DB_INFO dbinfo;
-	int sv_errno;
-	char path[MAXPATHLEN];
-
-	memset(&dbinfo, 0, sizeof(dbinfo));
-	dbinfo.db_pagesize = 4096;
-	dbinfo.h_ffactor = 40;
-	dbinfo.h_nelem = 1;
-
-	/*
-	 * XXX
-	 * Don't use sprintf(3)/snprintf(3) -- the former is dangerous, and
-	 * the latter isn't standard, and we're manipulating strings handed
-	 * us by the application.
-	 */
-	if (strlen(file) + strlen(DBM_SUFFIX) + 1 > sizeof(path)) {
-		errno = ENAMETOOLONG;
-		return (NULL);
-	}
-	(void)strcpy(path, file);
-	(void)strcat(path, DBM_SUFFIX);
-	if ((errno = db_open(path,
-	    DB_HASH, __db_oflags(oflags), mode, NULL, &dbinfo, &dbp)) != 0)
-		return (NULL);
-
-	if ((errno = dbp->cursor(dbp, NULL, &dbc, 0)) != 0) {
-		sv_errno = errno;
-		(void)dbp->close(dbp, 0);
-		errno = sv_errno;
-		return (NULL);
-	}
-
-	return ((DBM *)dbc);
-}
-weak_alias (__db_ndbm_open, dbm_open)
-
-/*
- * Returns:
- *	Nothing.
- */
-void
-__db_ndbm_close(dbm)
-	DBM *dbm;
-{
-	DBC *dbc;
-
-	dbc = (DBC *)dbm;
-
-	(void)dbc->dbp->close(dbc->dbp, 0);
-}
-weak_alias (__db_ndbm_close, dbm_close)
-
-/*
- * Returns:
- *	DATUM on success
- *	NULL on failure
- */
-datum
-__db_ndbm_fetch(dbm, key)
-	DBM *dbm;
-	datum key;
-{
-	DBC *dbc;
-	DBT _key, _data;
-	datum data;
-	int ret;
-
-	dbc = (DBC *)dbm;
-
-	memset(&_key, 0, sizeof(DBT));
-	memset(&_data, 0, sizeof(DBT));
-	_key.size = key.dsize;
-	_key.data = key.dptr;
-
-	/*
-	 * Note that we can't simply use the dbc we have to do a c_get/SET,
-	 * because that cursor is the one used for sequential iteration and
-	 * it has to remain stable in the face of intervening gets and puts.
-	 */
-	if ((ret = dbc->dbp->get(dbc->dbp, NULL, &_key, &_data, 0)) == 0) {
-		data.dptr = _data.data;
-		data.dsize = _data.size;
-	} else {
-		data.dptr = NULL;
-		data.dsize = 0;
-		if (ret == DB_NOTFOUND)
-			errno = ENOENT;
-		else {
-			errno = ret;
-			F_SET(dbc->dbp, DB_DBM_ERROR);
-		}
-	}
-	return (data);
-}
-weak_alias (__db_ndbm_fetch, dbm_fetch)
-
-/*
- * Returns:
- *	DATUM on success
- *	NULL on failure
- */
-datum
-__db_ndbm_firstkey(dbm)
-	DBM *dbm;
-{
-	DBC *dbc;
-	DBT _key, _data;
-	datum key;
-	int ret;
-
-	dbc = (DBC *)dbm;
-
-	memset(&_key, 0, sizeof(DBT));
-	memset(&_data, 0, sizeof(DBT));
-
-	if ((ret = dbc->c_get(dbc, &_key, &_data, DB_FIRST)) == 0) {
-		key.dptr = _key.data;
-		key.dsize = _key.size;
-	} else {
-		key.dptr = NULL;
-		key.dsize = 0;
-		if (ret == DB_NOTFOUND)
-			errno = ENOENT;
-		else {
-			errno = ret;
-			F_SET(dbc->dbp, DB_DBM_ERROR);
-		}
-	}
-	return (key);
-}
-weak_alias (__db_ndbm_firstkey, dbm_firstkey)
-
-/*
- * Returns:
- *	DATUM on success
- *	NULL on failure
- */
-datum
-__db_ndbm_nextkey(dbm)
-	DBM *dbm;
-{
-	DBC *dbc;
-	DBT _key, _data;
-	datum key;
-	int ret;
-
-	dbc = (DBC *)dbm;
-
-	memset(&_key, 0, sizeof(DBT));
-	memset(&_data, 0, sizeof(DBT));
-
-	if ((ret = dbc->c_get(dbc, &_key, &_data, DB_NEXT)) == 0) {
-		key.dptr = _key.data;
-		key.dsize = _key.size;
-	} else {
-		key.dptr = NULL;
-		key.dsize = 0;
-		if (ret == DB_NOTFOUND)
-			errno = ENOENT;
-		else {
-			errno = ret;
-			F_SET(dbc->dbp, DB_DBM_ERROR);
-		}
-	}
-	return (key);
-}
-weak_alias (__db_ndbm_nextkey, dbm_nextkey)
-
-/*
- * Returns:
- *	 0 on success
- *	<0 failure
- */
-int
-__db_ndbm_delete(dbm, key)
-	DBM *dbm;
-	datum key;
-{
-	DBC *dbc;
-	DBT _key;
-	int ret;
-
-	dbc = (DBC *)dbm;
-
-	memset(&_key, 0, sizeof(DBT));
-	_key.data = key.dptr;
-	_key.size = key.dsize;
-
-	if ((ret = dbc->dbp->del(dbc->dbp, NULL, &_key, 0)) == 0)
-		return (0);
-
-	if (ret == DB_NOTFOUND)
-		errno = ENOENT;
-	else {
-		errno = ret;
-		F_SET(dbc->dbp, DB_DBM_ERROR);
-	}
-	return (-1);
-}
-weak_alias (__db_ndbm_delete, dbm_delete)
-
-/*
- * Returns:
- *	 0 on success
- *	<0 failure
- *	 1 if DBM_INSERT and entry exists
- */
-int
-__db_ndbm_store(dbm, key, data, flags)
-	DBM *dbm;
-	datum key, data;
-	int flags;
-{
-	DBC *dbc;
-	DBT _key, _data;
-	int ret;
-
-	dbc = (DBC *)dbm;
-
-	memset(&_key, 0, sizeof(DBT));
-	_key.data = key.dptr;
-	_key.size = key.dsize;
-
-	memset(&_data, 0, sizeof(DBT));
-	_data.data = data.dptr;
-	_data.size = data.dsize;
-
-	if ((ret = dbc->dbp->put(dbc->dbp, NULL,
-	    &_key, &_data, flags == DBM_INSERT ? DB_NOOVERWRITE : 0)) == 0)
-		return (0);
-
-	if (ret == DB_KEYEXIST)
-		return (1);
-
-	errno = ret;
-	F_SET(dbc->dbp, DB_DBM_ERROR);
-	return (-1);
-}
-weak_alias (__db_ndbm_store, dbm_store)
-
-int
-__db_ndbm_error(dbm)
-	DBM *dbm;
-{
-	DBC *dbc;
-
-	dbc = (DBC *)dbm;
-
-	return (F_ISSET(dbc->dbp, DB_DBM_ERROR));
-}
-weak_alias (__db_ndbm_error, dbm_error)
-
-int
-__db_ndbm_clearerr(dbm)
-	DBM *dbm;
-{
-	DBC *dbc;
-
-	dbc = (DBC *)dbm;
-
-	F_CLR(dbc->dbp, DB_DBM_ERROR);
-	return (0);
-}
-weak_alias (__db_ndbm_clearerr, dbm_clearerr)
-
-/*
- * Returns:
- *	1 if read-only
- *	0 if not read-only
- */
-int
-__db_ndbm_rdonly(dbm)
-	DBM *dbm;
-{
-	DBC *dbc;
-
-	dbc = (DBC *)dbm;
-
-	return (F_ISSET(dbc->dbp, DB_AM_RDONLY) ? 1 : 0);
-}
-
-/*
- * XXX
- * We only have a single file descriptor that we can return, not two.  Return
- * the same one for both files.  Hopefully, the user is using it for locking
- * and picked one to use at random.
- */
-int
-__db_ndbm_dirfno(dbm)
-	DBM *dbm;
-{
-	return (dbm_pagfno(dbm));
-}
-weak_alias (__db_ndbm_dirfno, dbm_dirfno)
-
-int
-__db_ndbm_pagfno(dbm)
-	DBM *dbm;
-{
-	DBC *dbc;
-	int fd;
-
-	dbc = (DBC *)dbm;
-
-	(void)dbc->dbp->fd(dbc->dbp, &fd);
-	return (fd);
-}
-weak_alias (__db_ndbm_pagfno, dbm_pagfno)