Update.

	* Makeconfig (all-subdirs): Remove db and db2.
	* db/*: Removed.
	* db2/*: Removed.

1 files changed, 0 insertions, 460 deletions

diff --git a/db/btree/bt_seq.c b/db/btree/bt_seq.c
deleted file mode 100644
index 90f896036f..0000000000
--- a/db/btree/bt_seq.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/*-
- * Copyright (c) 1990, 1993, 1994
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Mike Olson.
- *
- * 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[] = "@(#)bt_seq.c	8.7 (Berkeley) 7/20/94";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-
-#include <errno.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <db.h>
-#include "btree.h"
-
-static int __bt_first __P((BTREE *, const DBT *, EPG *, int *));
-static int __bt_seqadv __P((BTREE *, EPG *, int));
-static int __bt_seqset __P((BTREE *, EPG *, DBT *, int));
-
-/*
- * Sequential scan support.
- *
- * The tree can be scanned sequentially, starting from either end of the
- * tree or from any specific key.  A scan request before any scanning is
- * done is initialized as starting from the least node.
- */
-
-/*
- * __bt_seq --
- *	Btree sequential scan interface.
- *
- * Parameters:
- *	dbp:	pointer to access method
- *	key:	key for positioning and return value
- *	data:	data return value
- *	flags:	R_CURSOR, R_FIRST, R_LAST, R_NEXT, R_PREV.
- *
- * Returns:
- *	RET_ERROR, RET_SUCCESS or RET_SPECIAL if there's no next key.
- */
-int
-__bt_seq(dbp, key, data, flags)
-	const DB *dbp;
-	DBT *key, *data;
-	u_int flags;
-{
-	BTREE *t;
-	EPG e;
-	int status;
-
-	t = dbp->internal;
-
-	/* Toss any page pinned across calls. */
-	if (t->bt_pinned != NULL) {
-		mpool_put(t->bt_mp, t->bt_pinned, 0);
-		t->bt_pinned = NULL;
-	}
-
-	/*
-	 * If scan uninitialized as yet, or starting at a specific record, set
-	 * the scan to a specific key.  Both __bt_seqset and __bt_seqadv pin
-	 * the page the cursor references if they're successful.
-	 */
-	switch (flags) {
-	case R_NEXT:
-	case R_PREV:
-		if (F_ISSET(&t->bt_cursor, CURS_INIT)) {
-			status = __bt_seqadv(t, &e, flags);
-			break;
-		}
-		/* FALLTHROUGH */
-	case R_FIRST:
-	case R_LAST:
-	case R_CURSOR:
-		status = __bt_seqset(t, &e, key, flags);
-		break;
-	default:
-		errno = EINVAL;
-		return (RET_ERROR);
-	}
-
-	if (status == RET_SUCCESS) {
-		__bt_setcur(t, e.page->pgno, e.index);
-
-		status =
-		    __bt_ret(t, &e, key, &t->bt_rkey, data, &t->bt_rdata, 0);
-
-		/*
-		 * If the user is doing concurrent access, we copied the
-		 * key/data, toss the page.
-		 */
-		if (F_ISSET(t, B_DB_LOCK))
-			mpool_put(t->bt_mp, e.page, 0);
-		else
-			t->bt_pinned = e.page;
-	}
-	return (status);
-}
-
-/*
- * __bt_seqset --
- *	Set the sequential scan to a specific key.
- *
- * Parameters:
- *	t:	tree
- *	ep:	storage for returned key
- *	key:	key for initial scan position
- *	flags:	R_CURSOR, R_FIRST, R_LAST, R_NEXT, R_PREV
- *
- * Side effects:
- *	Pins the page the cursor references.
- *
- * Returns:
- *	RET_ERROR, RET_SUCCESS or RET_SPECIAL if there's no next key.
- */
-static int
-__bt_seqset(t, ep, key, flags)
-	BTREE *t;
-	EPG *ep;
-	DBT *key;
-	int flags;
-{
-	PAGE *h;
-	pgno_t pg;
-	int exact;
-
-	/*
-	 * Find the first, last or specific key in the tree and point the
-	 * cursor at it.  The cursor may not be moved until a new key has
-	 * been found.
-	 */
-	switch (flags) {
-	case R_CURSOR:				/* Keyed scan. */
-		/*
-		 * Find the first instance of the key or the smallest key
-		 * which is greater than or equal to the specified key.
-		 */
-		if (key->data == NULL || key->size == 0) {
-			errno = EINVAL;
-			return (RET_ERROR);
-		}
-		return (__bt_first(t, key, ep, &exact));
-	case R_FIRST:				/* First record. */
-	case R_NEXT:
-		/* Walk down the left-hand side of the tree. */
-		for (pg = P_ROOT;;) {
-			if ((h = mpool_get(t->bt_mp, pg, 0)) == NULL)
-				return (RET_ERROR);
-
-			/* Check for an empty tree. */
-			if (NEXTINDEX(h) == 0) {
-				mpool_put(t->bt_mp, h, 0);
-				return (RET_SPECIAL);
-			}
-
-			if (h->flags & (P_BLEAF | P_RLEAF))
-				break;
-			pg = GETBINTERNAL(h, 0)->pgno;
-			mpool_put(t->bt_mp, h, 0);
-		}
-		ep->page = h;
-		ep->index = 0;
-		break;
-	case R_LAST:				/* Last record. */
-	case R_PREV:
-		/* Walk down the right-hand side of the tree. */
-		for (pg = P_ROOT;;) {
-			if ((h = mpool_get(t->bt_mp, pg, 0)) == NULL)
-				return (RET_ERROR);
-
-			/* Check for an empty tree. */
-			if (NEXTINDEX(h) == 0) {
-				mpool_put(t->bt_mp, h, 0);
-				return (RET_SPECIAL);
-			}
-
-			if (h->flags & (P_BLEAF | P_RLEAF))
-				break;
-			pg = GETBINTERNAL(h, NEXTINDEX(h) - 1)->pgno;
-			mpool_put(t->bt_mp, h, 0);
-		}
-
-		ep->page = h;
-		ep->index = NEXTINDEX(h) - 1;
-		break;
-	}
-	return (RET_SUCCESS);
-}
-
-/*
- * __bt_seqadvance --
- *	Advance the sequential scan.
- *
- * Parameters:
- *	t:	tree
- *	flags:	R_NEXT, R_PREV
- *
- * Side effects:
- *	Pins the page the new key/data record is on.
- *
- * Returns:
- *	RET_ERROR, RET_SUCCESS or RET_SPECIAL if there's no next key.
- */
-static int
-__bt_seqadv(t, ep, flags)
-	BTREE *t;
-	EPG *ep;
-	int flags;
-{
-	CURSOR *c;
-	PAGE *h;
-	indx_t index;
-	pgno_t pg;
-	int exact;
-
-	/*
-	 * There are a couple of states that we can be in.  The cursor has
-	 * been initialized by the time we get here, but that's all we know.
-	 */
-	c = &t->bt_cursor;
-
-	/*
-	 * The cursor was deleted where there weren't any duplicate records,
-	 * so the key was saved.  Find out where that key would go in the
-	 * current tree.  It doesn't matter if the returned key is an exact
-	 * match or not -- if it's an exact match, the record was added after
-	 * the delete so we can just return it.  If not, as long as there's
-	 * a record there, return it.
-	 */
-	if (F_ISSET(c, CURS_ACQUIRE))
-		return (__bt_first(t, &c->key, ep, &exact));
-
-	/* Get the page referenced by the cursor. */
-	if ((h = mpool_get(t->bt_mp, c->pg.pgno, 0)) == NULL)
-		return (RET_ERROR);
-
-	/*
- 	 * Find the next/previous record in the tree and point the cursor at
-	 * it.  The cursor may not be moved until a new key has been found.
-	 */
-	switch (flags) {
-	case R_NEXT:			/* Next record. */
-		/*
-		 * The cursor was deleted in duplicate records, and moved
-		 * forward to a record that has yet to be returned.  Clear
-		 * that flag, and return the record.
-		 */
-		if (F_ISSET(c, CURS_AFTER))
-			goto usecurrent;
-		index = c->pg.index;
-		if (++index == NEXTINDEX(h)) {
-			pg = h->nextpg;
-			mpool_put(t->bt_mp, h, 0);
-			if (pg == P_INVALID)
-				return (RET_SPECIAL);
-			if ((h = mpool_get(t->bt_mp, pg, 0)) == NULL)
-				return (RET_ERROR);
-			index = 0;
-		}
-		break;
-	case R_PREV:			/* Previous record. */
-		/*
-		 * The cursor was deleted in duplicate records, and moved
-		 * backward to a record that has yet to be returned.  Clear
-		 * that flag, and return the record.
-		 */
-		if (F_ISSET(c, CURS_BEFORE)) {
-usecurrent:		F_CLR(c, CURS_AFTER | CURS_BEFORE);
-			ep->page = h;
-			ep->index = c->pg.index;
-			return (RET_SUCCESS);
-		}
-		index = c->pg.index;
-		if (index == 0) {
-			pg = h->prevpg;
-			mpool_put(t->bt_mp, h, 0);
-			if (pg == P_INVALID)
-				return (RET_SPECIAL);
-			if ((h = mpool_get(t->bt_mp, pg, 0)) == NULL)
-				return (RET_ERROR);
-			index = NEXTINDEX(h) - 1;
-		} else
-			--index;
-		break;
-	}
-
-	ep->page = h;
-	ep->index = index;
-	return (RET_SUCCESS);
-}
-
-/*
- * __bt_first --
- *	Find the first entry.
- *
- * Parameters:
- *	t:	the tree
- *    key:	the key
- *  erval:	return EPG
- * exactp:	pointer to exact match flag
- *
- * Returns:
- *	The first entry in the tree greater than or equal to key,
- *	or RET_SPECIAL if no such key exists.
- */
-static int
-__bt_first(t, key, erval, exactp)
-	BTREE *t;
-	const DBT *key;
-	EPG *erval;
-	int *exactp;
-{
-	PAGE *h;
-	EPG *ep, save;
-	pgno_t pg;
-
-	/*
-	 * Find any matching record; __bt_search pins the page.
-	 *
-	 * If it's an exact match and duplicates are possible, walk backwards
-	 * in the tree until we find the first one.  Otherwise, make sure it's
-	 * a valid key (__bt_search may return an index just past the end of a
-	 * page) and return it.
-	 */
-	if ((ep = __bt_search(t, key, exactp)) == NULL)
-		return (RET_SPECIAL);
-	if (*exactp) {
-		if (F_ISSET(t, B_NODUPS)) {
-			*erval = *ep;
-			return (RET_SUCCESS);
-		}
-
-		/*
-		 * Walk backwards, as long as the entry matches and there are
-		 * keys left in the tree.  Save a copy of each match in case
-		 * we go too far.
-		 */
-		save = *ep;
-		h = ep->page;
-		do {
-			if (save.page->pgno != ep->page->pgno) {
-				mpool_put(t->bt_mp, save.page, 0);
-				save = *ep;
-			} else
-				save.index = ep->index;
-
-			/*
-			 * Don't unpin the page the last (or original) match
-			 * was on, but make sure it's unpinned if an error
-			 * occurs.
-			 */
-			if (ep->index == 0) {
-				if (h->prevpg == P_INVALID)
-					break;
-				if (h->pgno != save.page->pgno)
-					mpool_put(t->bt_mp, h, 0);
-				if ((h = mpool_get(t->bt_mp,
-				    h->prevpg, 0)) == NULL) {
-					if (h->pgno == save.page->pgno)
-						mpool_put(t->bt_mp,
-						    save.page, 0);
-					return (RET_ERROR);
-				}
-				ep->page = h;
-				ep->index = NEXTINDEX(h);
-			}
-			--ep->index;
-		} while (__bt_cmp(t, key, ep) == 0);
-
-		/*
-		 * Reach here with the last page that was looked at pinned,
-		 * which may or may not be the same as the last (or original)
-		 * match page.  If it's not useful, release it.
-		 */
-		if (h->pgno != save.page->pgno)
-			mpool_put(t->bt_mp, h, 0);
-
-		*erval = save;
-		return (RET_SUCCESS);
-	}
-
-	/* If at the end of a page, find the next entry. */
-	if (ep->index == NEXTINDEX(ep->page)) {
-		h = ep->page;
-		pg = h->nextpg;
-		mpool_put(t->bt_mp, h, 0);
-		if (pg == P_INVALID)
-			return (RET_SPECIAL);
-		if ((h = mpool_get(t->bt_mp, pg, 0)) == NULL)
-			return (RET_ERROR);
-		ep->index = 0;
-		ep->page = h;
-	}
-	*erval = *ep;
-	return (RET_SUCCESS);
-}
-
-/*
- * __bt_setcur --
- *	Set the cursor to an entry in the tree.
- *
- * Parameters:
- *	t:	the tree
- *   pgno:	page number
- *  index:	page index
- */
-void
-__bt_setcur(t, pgno, index)
-	BTREE *t;
-	pgno_t pgno;
-	u_int index;
-{
-	/* Lose any already deleted key. */
-	if (t->bt_cursor.key.data != NULL) {
-		free(t->bt_cursor.key.data);
-		t->bt_cursor.key.size = 0;
-		t->bt_cursor.key.data = NULL;
-	}
-	F_CLR(&t->bt_cursor, CURS_ACQUIRE | CURS_AFTER | CURS_BEFORE);
-
-	/* Update the cursor. */
-	t->bt_cursor.pg.pgno = pgno;
-	t->bt_cursor.pg.index = index;
-	F_SET(&t->bt_cursor, CURS_INIT);
-}