Import changeset

2 files changed, 722 insertions, 0 deletions

diff --git a/bdb/db185/db185.c b/bdb/db185/db185.c
new file mode 100644
index 00000000000..84327542485
--- /dev/null
+++ b/bdb/db185/db185.c
@@ -0,0 +1,593 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997, 1998, 1999, 2000
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "db_config.h"
+
+#ifndef lint
+static const char copyright[] =
+    "Copyright (c) 1996-2000\nSleepycat Software Inc.  All rights reserved.\n";
+static const char revid[] =
+    "$Id: db185.c,v 11.15 2001/01/23 21:27:03 bostic Exp $";
+#endif
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+#include "db185_int.h"
+
+static int	db185_close __P((DB185 *));
+static int	db185_compare __P((DB *, const DBT *, const DBT *));
+static int	db185_del __P((const DB185 *, const DBT185 *, u_int));
+static int	db185_fd __P((const DB185 *));
+static int	db185_get __P((const DB185 *, const DBT185 *, DBT185 *, u_int));
+static u_int32_t
+		db185_hash __P((DB *, const void *, u_int32_t));
+static void	db185_openstderr __P((DB_FH *));
+static size_t	db185_prefix __P((DB *, const DBT *, const DBT *));
+static int	db185_put __P((const DB185 *, DBT185 *, const DBT185 *, u_int));
+static int	db185_seq __P((const DB185 *, DBT185 *, DBT185 *, u_int));
+static int	db185_sync __P((const DB185 *, u_int));
+
+DB185 *
+__db185_open(file, oflags, mode, type, openinfo)
+	const char *file;
+	int oflags, mode;
+	DBTYPE type;
+	const void *openinfo;
+{
+	const BTREEINFO *bi;
+	const HASHINFO *hi;
+	const RECNOINFO *ri;
+	DB *dbp;
+	DB185 *db185p;
+	DB_FH fh;
+	size_t nw;
+	int ret;
+
+	dbp = NULL;
+	db185p = NULL;
+
+	if ((ret = db_create(&dbp, NULL, 0)) != 0)
+		goto err;
+
+	if ((ret = __os_calloc(NULL, 1, sizeof(DB185), &db185p)) != 0)
+		goto err;
+
+	/*
+	 * !!!
+	 * The DBTYPE enum wasn't initialized in DB 185, so it's off-by-one
+	 * from DB 2.0.
+	 */
+	switch (type) {
+	case 0:					/* DB_BTREE */
+		type = DB_BTREE;
+		if ((bi = openinfo) != NULL) {
+			if (bi->flags & ~R_DUP)
+				goto einval;
+			if (bi->flags & R_DUP)
+				(void)dbp->set_flags(dbp, DB_DUP);
+			if (bi->cachesize != 0)
+				(void)dbp->set_cachesize
+				    (dbp, 0, bi->cachesize, 0);
+			if (bi->minkeypage != 0)
+				(void)dbp->set_bt_minkey(dbp, bi->minkeypage);
+			if (bi->psize != 0)
+				(void)dbp->set_pagesize(dbp, bi->psize);
+			/*
+			 * !!!
+			 * Comparisons and prefix calls work because the DBT
+			 * structures in 1.85 and 2.0 have the same initial
+			 * fields.
+			 */
+			if (bi->prefix != NULL) {
+				db185p->prefix = bi->prefix;
+				dbp->set_bt_prefix(dbp, db185_prefix);
+			}
+			if (bi->compare != NULL) {
+				db185p->compare = bi->compare;
+				dbp->set_bt_compare(dbp, db185_compare);
+			}
+			if (bi->lorder != 0)
+				dbp->set_lorder(dbp, bi->lorder);
+		}
+		break;
+	case 1:					/* DB_HASH */
+		type = DB_HASH;
+		if ((hi = openinfo) != NULL) {
+			if (hi->bsize != 0)
+				(void)dbp->set_pagesize(dbp, hi->bsize);
+			if (hi->ffactor != 0)
+				(void)dbp->set_h_ffactor(dbp, hi->ffactor);
+			if (hi->nelem != 0)
+				(void)dbp->set_h_nelem(dbp, hi->nelem);
+			if (hi->cachesize != 0)
+				(void)dbp->set_cachesize
+				    (dbp, 0, hi->cachesize, 0);
+			if (hi->hash != NULL) {
+				db185p->hash = hi->hash;
+				(void)dbp->set_h_hash(dbp, db185_hash);
+			}
+			if (hi->lorder != 0)
+				dbp->set_lorder(dbp, hi->lorder);
+		}
+
+		break;
+	case 2:					/* DB_RECNO */
+		type = DB_RECNO;
+
+		/* DB 1.85 did renumbering by default. */
+		(void)dbp->set_flags(dbp, DB_RENUMBER);
+
+		/*
+		 * !!!
+		 * The file name given to DB 1.85 recno is the name of the DB
+		 * 2.0 backing file.  If the file doesn't exist, create it if
+		 * the user has the O_CREAT flag set, DB 1.85 did it for you,
+		 * and DB 2.0 doesn't.
+		 *
+		 * !!!
+		 * Setting the file name to NULL specifies that we're creating
+		 * a temporary backing file, in DB 2.X.  If we're opening the
+		 * DB file read-only, change the flags to read-write, because
+		 * temporary backing files cannot be opened read-only, and DB
+		 * 2.X will return an error.  We are cheating here -- if the
+		 * application does a put on the database, it will succeed --
+		 * although that would be a stupid thing for the application
+		 * to do.
+		 *
+		 * !!!
+		 * Note, the file name in DB 1.85 was a const -- we don't do
+		 * that in DB 2.0, so do that cast.
+		 */
+		if (file != NULL) {
+			if (oflags & O_CREAT && __os_exists(file, NULL) != 0)
+				if (__os_openhandle(NULL, file,
+				    oflags, mode, &fh) == 0)
+					(void)__os_closehandle(&fh);
+			(void)dbp->set_re_source(dbp, file);
+
+			if (O_RDONLY)
+				oflags &= ~O_RDONLY;
+			oflags |= O_RDWR;
+			file = NULL;
+		}
+
+		if ((ri = openinfo) != NULL) {
+			/*
+			 * !!!
+			 * We can't support the bfname field.
+			 */
+#define	BFMSG	"DB: DB 1.85's recno bfname field is not supported.\n"
+			if (ri->bfname != NULL) {
+				db185_openstderr(&fh);
+				(void)__os_write(NULL, &fh,
+				    BFMSG, sizeof(BFMSG) - 1, &nw);
+				goto einval;
+			}
+
+			if (ri->flags & ~(R_FIXEDLEN | R_NOKEY | R_SNAPSHOT))
+				goto einval;
+			if (ri->flags & R_FIXEDLEN) {
+				if (ri->bval != 0)
+					(void)dbp->set_re_pad(dbp, ri->bval);
+				if (ri->reclen != 0)
+					(void)dbp->set_re_len(dbp, ri->reclen);
+			} else
+				if (ri->bval != 0)
+					(void)dbp->set_re_delim(dbp, ri->bval);
+
+			/*
+			 * !!!
+			 * We ignore the R_NOKEY flag, but that's okay, it was
+			 * only an optimization that was never implemented.
+			 */
+			if (ri->flags & R_SNAPSHOT)
+				(void)dbp->set_flags(dbp, DB_SNAPSHOT);
+
+			if (ri->cachesize != 0)
+				(void)dbp->set_cachesize
+				    (dbp, 0, ri->cachesize, 0);
+			if (ri->psize != 0)
+				(void)dbp->set_pagesize(dbp, ri->psize);
+			if (ri->lorder != 0)
+				dbp->set_lorder(dbp, ri->lorder);
+		}
+		break;
+	default:
+		goto einval;
+	}
+
+	db185p->close = db185_close;
+	db185p->del = db185_del;
+	db185p->fd = db185_fd;
+	db185p->get = db185_get;
+	db185p->put = db185_put;
+	db185p->seq = db185_seq;
+	db185p->sync = db185_sync;
+
+	/*
+	 * Store a reference so we can indirect from the DB 1.85 structure
+	 * to the underlying DB structure, and vice-versa.  This has to be
+	 * done BEFORE the DB::open method call because the hash callback
+	 * is exercised as part of hash database initialiation.
+	 *
+	 * XXX
+	 * Overload the cj_internal field for this purpose.
+	 */
+	db185p->dbp = dbp;
+	dbp->cj_internal = db185p;
+
+	/* Open the database. */
+	if ((ret = dbp->open(dbp,
+	    file, NULL, type, __db_oflags(oflags), mode)) != 0)
+		goto err;
+
+	/* Create the cursor used for sequential ops. */
+	if ((ret = dbp->cursor(dbp, NULL, &((DB185 *)db185p)->dbc, 0)) != 0)
+		goto err;
+
+	return (db185p);
+
+einval:	ret = EINVAL;
+
+err:	if (db185p != NULL)
+		__os_free(db185p, sizeof(DB185));
+	if (dbp != NULL)
+		(void)dbp->close(dbp, 0);
+
+	__os_set_errno(ret);
+	return (NULL);
+}
+
+static int
+db185_close(db185p)
+	DB185 *db185p;
+{
+	DB *dbp;
+	int ret;
+
+	dbp = db185p->dbp;
+
+	ret = dbp->close(dbp, 0);
+
+	__os_free(db185p, sizeof(DB185));
+
+	if (ret == 0)
+		return (0);
+
+	__os_set_errno(ret);
+	return (-1);
+}
+
+static int
+db185_del(db185p, key185, flags)
+	const DB185 *db185p;
+	const DBT185 *key185;
+	u_int flags;
+{
+	DB *dbp;
+	DBT key;
+	int ret;
+
+	dbp = db185p->dbp;
+
+	memset(&key, 0, sizeof(key));
+	key.data = key185->data;
+	key.size = key185->size;
+
+	if (flags & ~R_CURSOR)
+		goto einval;
+	if (flags & R_CURSOR)
+		ret = db185p->dbc->c_del(db185p->dbc, 0);
+	else
+		ret = dbp->del(dbp, NULL, &key, 0);
+
+	switch (ret) {
+	case 0:
+		return (0);
+	case DB_NOTFOUND:
+		return (1);
+	}
+
+	__os_set_errno(ret);
+	return (-1);
+
+einval:	__os_set_errno(EINVAL);
+	return (-1);
+}
+
+static int
+db185_fd(db185p)
+	const DB185 *db185p;
+{
+	DB *dbp;
+	int fd, ret;
+
+	dbp = db185p->dbp;
+
+	if ((ret = dbp->fd(dbp, &fd)) == 0)
+		return (fd);
+
+	__os_set_errno(ret);
+	return (-1);
+}
+
+static int
+db185_get(db185p, key185, data185, flags)
+	const DB185 *db185p;
+	const DBT185 *key185;
+	DBT185 *data185;
+	u_int flags;
+{
+	DB *dbp;
+	DBT key, data;
+	int ret;
+
+	dbp = db185p->dbp;
+
+	memset(&key, 0, sizeof(key));
+	key.data = key185->data;
+	key.size = key185->size;
+	memset(&data, 0, sizeof(data));
+	data.data = data185->data;
+	data.size = data185->size;
+
+	if (flags)
+		goto einval;
+
+	switch (ret = dbp->get(dbp, NULL, &key, &data, 0)) {
+	case 0:
+		data185->data = data.data;
+		data185->size = data.size;
+		return (0);
+	case DB_NOTFOUND:
+		return (1);
+	}
+
+	__os_set_errno(ret);
+	return (-1);
+
+einval:	__os_set_errno(EINVAL);
+	return (-1);
+}
+
+static int
+db185_put(db185p, key185, data185, flags)
+	const DB185 *db185p;
+	DBT185 *key185;
+	const DBT185 *data185;
+	u_int flags;
+{
+	DB *dbp;
+	DBC *dbcp_put;
+	DBT key, data;
+	int ret;
+
+	dbp = db185p->dbp;
+
+	memset(&key, 0, sizeof(key));
+	key.data = key185->data;
+	key.size = key185->size;
+	memset(&data, 0, sizeof(data));
+	data.data = data185->data;
+	data.size = data185->size;
+
+	switch (flags) {
+	case 0:
+		ret = dbp->put(dbp, NULL, &key, &data, 0);
+		break;
+	case R_CURSOR:
+		ret = db185p->dbc->c_put(db185p->dbc, &key, &data, DB_CURRENT);
+		break;
+	case R_IAFTER:
+	case R_IBEFORE:
+		if (dbp->type != DB_RECNO)
+			goto einval;
+
+		if ((ret = dbp->cursor(dbp, NULL, &dbcp_put, 0)) != 0) {
+			__os_set_errno(ret);
+			return (-1);
+		}
+		if ((ret =
+		    dbcp_put->c_get(dbcp_put, &key, &data, DB_SET)) != 0) {
+			(void)dbcp_put->c_close(dbcp_put);
+			__os_set_errno(ret);
+			return (-1);
+		}
+		memset(&data, 0, sizeof(data));
+		data.data = data185->data;
+		data.size = data185->size;
+		ret = dbcp_put->c_put(dbcp_put,
+		    &key, &data, flags == R_IAFTER ? DB_AFTER : DB_BEFORE);
+		(void)dbcp_put->c_close(dbcp_put);
+		__os_set_errno(ret);
+		break;
+	case R_NOOVERWRITE:
+		ret = dbp->put(dbp, NULL, &key, &data, DB_NOOVERWRITE);
+		break;
+	case R_SETCURSOR:
+		if (dbp->type != DB_BTREE && dbp->type != DB_RECNO)
+			goto einval;
+
+		if ((ret = dbp->put(dbp, NULL, &key, &data, 0)) != 0)
+			break;
+		ret =
+		    db185p->dbc->c_get(db185p->dbc, &key, &data, DB_SET_RANGE);
+		break;
+	default:
+		goto einval;
+	}
+
+	switch (ret) {
+	case 0:
+		key185->data = key.data;
+		key185->size = key.size;
+		return (0);
+	case DB_KEYEXIST:
+		return (1);
+	}
+	__os_set_errno(ret);
+	return (-1);
+
+einval:	__os_set_errno(EINVAL);
+	return (-1);
+}
+
+static int
+db185_seq(db185p, key185, data185, flags)
+	const DB185 *db185p;
+	DBT185 *key185, *data185;
+	u_int flags;
+{
+	DB *dbp;
+	DBT key, data;
+	int ret;
+
+	dbp = db185p->dbp;
+
+	memset(&key, 0, sizeof(key));
+	key.data = key185->data;
+	key.size = key185->size;
+	memset(&data, 0, sizeof(data));
+	data.data = data185->data;
+	data.size = data185->size;
+
+	switch (flags) {
+	case R_CURSOR:
+		flags = DB_SET_RANGE;
+		break;
+	case R_FIRST:
+		flags = DB_FIRST;
+		break;
+	case R_LAST:
+		if (dbp->type != DB_BTREE && dbp->type != DB_RECNO)
+			goto einval;
+		flags = DB_LAST;
+		break;
+	case R_NEXT:
+		flags = DB_NEXT;
+		break;
+	case R_PREV:
+		if (dbp->type != DB_BTREE && dbp->type != DB_RECNO)
+			goto einval;
+		flags = DB_PREV;
+		break;
+	default:
+		goto einval;
+	}
+	switch (ret = db185p->dbc->c_get(db185p->dbc, &key, &data, flags)) {
+	case 0:
+		key185->data = key.data;
+		key185->size = key.size;
+		data185->data = data.data;
+		data185->size = data.size;
+		return (0);
+	case DB_NOTFOUND:
+		return (1);
+	}
+
+	__os_set_errno(ret);
+	return (-1);
+
+einval:	__os_set_errno(EINVAL);
+	return (-1);
+}
+
+static int
+db185_sync(db185p, flags)
+	const DB185 *db185p;
+	u_int flags;
+{
+	DB *dbp;
+	DB_FH fh;
+	size_t nw;
+	int ret;
+
+	dbp = db185p->dbp;
+
+	switch (flags) {
+	case 0:
+		break;
+	case R_RECNOSYNC:
+		/*
+		 * !!!
+		 * We can't support the R_RECNOSYNC flag.
+		 */
+#define	RSMSG	"DB: DB 1.85's R_RECNOSYNC sync flag is not supported.\n"
+		db185_openstderr(&fh);
+		(void)__os_write(NULL, &fh, RSMSG, sizeof(RSMSG) - 1, &nw);
+		goto einval;
+	default:
+		goto einval;
+	}
+
+	if ((ret = dbp->sync(dbp, 0)) == 0)
+		return (0);
+
+	__os_set_errno(ret);
+	return (-1);
+
+einval:	__os_set_errno(EINVAL);
+	return (-1);
+}
+
+static void
+db185_openstderr(fhp)
+	DB_FH *fhp;
+{
+	/* Dummy up the results of an __os_openhandle() on stderr. */
+	memset(fhp, 0, sizeof(*fhp));
+	F_SET(fhp, DB_FH_VALID);
+
+#ifndef STDERR_FILENO
+#define	STDERR_FILENO	2
+#endif
+	fhp->fd = STDERR_FILENO;
+}
+
+/*
+ * db185_compare --
+ *	Cutout routine to call the user's Btree comparison function.
+ */
+static int
+db185_compare(dbp, a, b)
+	DB *dbp;
+	const DBT *a, *b;
+{
+	return (((DB185 *)dbp->cj_internal)->compare(a, b));
+}
+
+/*
+ * db185_prefix --
+ *	Cutout routine to call the user's Btree prefix function.
+ */
+static size_t
+db185_prefix(dbp, a, b)
+	DB *dbp;
+	const DBT *a, *b;
+{
+	return (((DB185 *)dbp->cj_internal)->prefix(a, b));
+}
+
+/*
+ * db185_hash --
+ *	Cutout routine to call the user's hash function.
+ */
+static u_int32_t
+db185_hash(dbp, key, len)
+	DB *dbp;
+	const void *key;
+	u_int32_t len;
+{
+	return (((DB185 *)dbp->cj_internal)->hash(key, (size_t)len));
+}
diff --git a/bdb/db185/db185_int.h b/bdb/db185/db185_int.h
new file mode 100644
index 00000000000..172019d3f00
--- /dev/null
+++ b/bdb/db185/db185_int.h
@@ -0,0 +1,129 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997, 1998, 1999, 2000
+ *	Sleepycat Software.  All rights reserved.
+ */
+/*
+ * Copyright (c) 1990, 1993, 1994, 1995, 1996
+ *	Keith Bostic.  All rights reserved.
+ */
+/*
+ * Copyright (c) 1990, 1993, 1994
+ *	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.
+ *
+ * $Id: db185_int.h,v 11.7 2001/01/22 22:22:46 krinsky Exp $
+ */
+
+#ifndef _DB185_H_
+#define	_DB185_H_
+
+/* Routine flags. */
+#define	R_CURSOR	1		/* del, put, seq */
+#define	__R_UNUSED	2		/* UNUSED */
+#define	R_FIRST		3		/* seq */
+#define	R_IAFTER	4		/* put (RECNO) */
+#define	R_IBEFORE	5		/* put (RECNO) */
+#define	R_LAST		6		/* seq (BTREE, RECNO) */
+#define	R_NEXT		7		/* seq */
+#define	R_NOOVERWRITE	8		/* put */
+#define	R_PREV		9		/* seq (BTREE, RECNO) */
+#define	R_SETCURSOR	10		/* put (RECNO) */
+#define	R_RECNOSYNC	11		/* sync (RECNO) */
+
+typedef struct {
+	void	*data;			/* data */
+	size_t	 size;			/* data length */
+} DBT185;
+
+/* Access method description structure. */
+typedef struct __db185 {
+	DBTYPE type;			/* Underlying db type. */
+	int (*close)	__P((struct __db185 *));
+	int (*del)	__P((const struct __db185 *, const DBT185 *, u_int));
+	int (*get)
+	    __P((const struct __db185 *, const DBT185 *, DBT185 *, u_int));
+	int (*put)
+	    __P((const struct __db185 *, DBT185 *, const DBT185 *, u_int));
+	int (*seq)
+	    __P((const struct __db185 *, DBT185 *, DBT185 *, u_int));
+	int (*sync)	__P((const struct __db185 *, u_int));
+	DB	  *dbp;			/* DB structure.  Was void *internal. */
+	int (*fd)	__P((const struct __db185 *));
+
+	/*
+	 * !!!
+	 * The following elements added to the end of the DB 1.85 DB
+	 * structure.
+	 */
+	DBC	  *dbc;			/* DB cursor. */
+					/* Various callback functions. */
+	int	  (*compare) __P((const DBT *, const DBT *));
+	size_t	  (*prefix) __P((const DBT *, const DBT *));
+	u_int32_t (*hash) __P((const void *, size_t));
+} DB185;
+
+/* Structure used to pass parameters to the btree routines. */
+typedef struct {
+#define	R_DUP		0x01	/* duplicate keys */
+	u_int32_t flags;
+	u_int32_t cachesize;	/* bytes to cache */
+	u_int32_t maxkeypage;	/* maximum keys per page */
+	u_int32_t minkeypage;	/* minimum keys per page */
+	u_int32_t psize;	/* page size */
+	int	(*compare)	/* comparison function */
+	    __P((const DBT *, const DBT *));
+	size_t	(*prefix)	/* prefix function */
+	    __P((const DBT *, const DBT *));
+	int	lorder;		/* byte order */
+} BTREEINFO;
+
+/* Structure used to pass parameters to the hashing routines. */
+typedef struct {
+	u_int32_t bsize;	/* bucket size */
+	u_int32_t ffactor;	/* fill factor */
+	u_int32_t nelem;	/* number of elements */
+	u_int32_t cachesize;	/* bytes to cache */
+	u_int32_t		/* hash function */
+		(*hash) __P((const void *, size_t));
+	int	lorder;		/* byte order */
+} HASHINFO;
+
+/* Structure used to pass parameters to the record routines. */
+typedef struct {
+#define	R_FIXEDLEN	0x01	/* fixed-length records */
+#define	R_NOKEY		0x02	/* key not required */
+#define	R_SNAPSHOT	0x04	/* snapshot the input */
+	u_int32_t flags;
+	u_int32_t cachesize;	/* bytes to cache */
+	u_int32_t psize;	/* page size */
+	int	lorder;		/* byte order */
+	size_t	reclen;		/* record length (fixed-length records) */
+	u_char	bval;		/* delimiting byte (variable-length records */
+	char	*bfname;	/* btree file name */
+} RECNOINFO;
+#endif /* !_DB185_H_ */