aboutsummaryrefslogtreecommitdiffstats
path: root/1.4.23-rc4/main/db1-ast/btree/bt_page.c
diff options
context:
space:
mode:
Diffstat (limited to '1.4.23-rc4/main/db1-ast/btree/bt_page.c')
-rw-r--r--1.4.23-rc4/main/db1-ast/btree/bt_page.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/1.4.23-rc4/main/db1-ast/btree/bt_page.c b/1.4.23-rc4/main/db1-ast/btree/bt_page.c
deleted file mode 100644
index e77a1d6b5..000000000
--- a/1.4.23-rc4/main/db1-ast/btree/bt_page.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*-
- * 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. 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_page.c 8.3 (Berkeley) 7/14/94";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-
-#include <stdio.h>
-
-#include "../include/db.h"
-#include "btree.h"
-
-/*
- * __bt_free --
- * Put a page on the freelist.
- *
- * Parameters:
- * t: tree
- * h: page to free
- *
- * Returns:
- * RET_ERROR, RET_SUCCESS
- *
- * Side-effect:
- * mpool_put's the page.
- */
-int
-__bt_free(t, h)
- BTREE *t;
- PAGE *h;
-{
- /* Insert the page at the head of the free list. */
- h->prevpg = P_INVALID;
- h->nextpg = t->bt_free;
- t->bt_free = h->pgno;
- F_SET(t, B_METADIRTY);
-
- /* Make sure the page gets written back. */
- return (mpool_put(t->bt_mp, h, MPOOL_DIRTY));
-}
-
-/*
- * __bt_new --
- * Get a new page, preferably from the freelist.
- *
- * Parameters:
- * t: tree
- * npg: storage for page number.
- *
- * Returns:
- * Pointer to a page, NULL on error.
- */
-PAGE *
-__bt_new(t, npg)
- BTREE *t;
- pgno_t *npg;
-{
- PAGE *h;
-
- if (t->bt_free != P_INVALID &&
- (h = mpool_get(t->bt_mp, t->bt_free, 0)) != NULL) {
- *npg = t->bt_free;
- t->bt_free = h->nextpg;
- F_SET(t, B_METADIRTY);
- return (h);
- }
- return (mpool_new(t->bt_mp, npg));
-}