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authorUlrich Drepper <drepper@redhat.com>2000-01-02 06:01:06 +0000
committerUlrich Drepper <drepper@redhat.com>2000-01-02 06:01:06 +0000
commit8d6f1731fcd082e4f744ba9cb4bde4be7c08f1b3 (patch)
tree099a250d7366aef2ab028fdb24f0d692cd784b4a /db/btree/bt_conv.c
parent9a6450d578556c11e7c173d2f28362345b8f1258 (diff)
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Update.
	* Makeconfig (all-subdirs): Remove db and db2.
	* db/*: Removed.
	* db2/*: Removed.
Diffstat (limited to 'db/btree/bt_conv.c')
-rw-r--r--db/btree/bt_conv.c221
1 files changed, 0 insertions, 221 deletions
diff --git a/db/btree/bt_conv.c b/db/btree/bt_conv.c
deleted file mode 100644
index 1cb208b14d..0000000000
--- a/db/btree/bt_conv.c
+++ /dev/null
@@ -1,221 +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_conv.c	8.5 (Berkeley) 8/17/94";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/param.h>
-
-#include <stdio.h>
-
-#include <db.h>
-#include "btree.h"
-
-static void mswap __P((PAGE *));
-
-/*
- * __BT_BPGIN, __BT_BPGOUT --
- *	Convert host-specific number layout to/from the host-independent
- *	format stored on disk.
- *
- * Parameters:
- *	t:	tree
- *	pg:	page number
- *	h:	page to convert
- */
-void
-__bt_pgin(t, pg, pp)
-	void *t;
-	pgno_t pg;
-	void *pp;
-{
-	PAGE *h;
-	indx_t i, top;
-	u_char flags;
-	char *p;
-
-	if (!F_ISSET(((BTREE *)t), B_NEEDSWAP))
-		return;
-	if (pg == P_META) {
-		mswap(pp);
-		return;
-	}
-
-	h = pp;
-	M_32_SWAP(h->pgno);
-	M_32_SWAP(h->prevpg);
-	M_32_SWAP(h->nextpg);
-	M_32_SWAP(h->flags);
-	M_16_SWAP(h->lower);
-	M_16_SWAP(h->upper);
-
-	top = NEXTINDEX(h);
-	if ((h->flags & P_TYPE) == P_BINTERNAL)
-		for (i = 0; i < top; i++) {
-			M_16_SWAP(h->linp[i]);
-			p = (char *)GETBINTERNAL(h, i);
-			P_32_SWAP(p);
-			p += sizeof(u_int32_t);
-			P_32_SWAP(p);
-			p += sizeof(pgno_t);
-			if (*(u_char *)p & P_BIGKEY) {
-				p += sizeof(u_char);
-				P_32_SWAP(p);
-				p += sizeof(pgno_t);
-				P_32_SWAP(p);
-			}
-		}
-	else if ((h->flags & P_TYPE) == P_BLEAF)
-		for (i = 0; i < top; i++) {
-			M_16_SWAP(h->linp[i]);
-			p = (char *)GETBLEAF(h, i);
-			P_32_SWAP(p);
-			p += sizeof(u_int32_t);
-			P_32_SWAP(p);
-			p += sizeof(u_int32_t);
-			flags = *(u_char *)p;
-			if (flags & (P_BIGKEY | P_BIGDATA)) {
-				p += sizeof(u_char);
-				if (flags & P_BIGKEY) {
-					P_32_SWAP(p);
-					p += sizeof(pgno_t);
-					P_32_SWAP(p);
-				}
-				if (flags & P_BIGDATA) {
-					p += sizeof(u_int32_t);
-					P_32_SWAP(p);
-					p += sizeof(pgno_t);
-					P_32_SWAP(p);
-				}
-			}
-		}
-}
-
-void
-__bt_pgout(t, pg, pp)
-	void *t;
-	pgno_t pg;
-	void *pp;
-{
-	PAGE *h;
-	indx_t i, top;
-	u_char flags;
-	char *p;
-
-	if (!F_ISSET(((BTREE *)t), B_NEEDSWAP))
-		return;
-	if (pg == P_META) {
-		mswap(pp);
-		return;
-	}
-
-	h = pp;
-	top = NEXTINDEX(h);
-	if ((h->flags & P_TYPE) == P_BINTERNAL)
-		for (i = 0; i < top; i++) {
-			p = (char *)GETBINTERNAL(h, i);
-			P_32_SWAP(p);
-			p += sizeof(u_int32_t);
-			P_32_SWAP(p);
-			p += sizeof(pgno_t);
-			if (*(u_char *)p & P_BIGKEY) {
-				p += sizeof(u_char);
-				P_32_SWAP(p);
-				p += sizeof(pgno_t);
-				P_32_SWAP(p);
-			}
-			M_16_SWAP(h->linp[i]);
-		}
-	else if ((h->flags & P_TYPE) == P_BLEAF)
-		for (i = 0; i < top; i++) {
-			p = (char *)GETBLEAF(h, i);
-			P_32_SWAP(p);
-			p += sizeof(u_int32_t);
-			P_32_SWAP(p);
-			p += sizeof(u_int32_t);
-			flags = *(u_char *)p;
-			if (flags & (P_BIGKEY | P_BIGDATA)) {
-				p += sizeof(u_char);
-				if (flags & P_BIGKEY) {
-					P_32_SWAP(p);
-					p += sizeof(pgno_t);
-					P_32_SWAP(p);
-				}
-				if (flags & P_BIGDATA) {
-					p += sizeof(u_int32_t);
-					P_32_SWAP(p);
-					p += sizeof(pgno_t);
-					P_32_SWAP(p);
-				}
-			}
-			M_16_SWAP(h->linp[i]);
-		}
-
-	M_32_SWAP(h->pgno);
-	M_32_SWAP(h->prevpg);
-	M_32_SWAP(h->nextpg);
-	M_32_SWAP(h->flags);
-	M_16_SWAP(h->lower);
-	M_16_SWAP(h->upper);
-}
-
-/*
- * MSWAP -- Actually swap the bytes on the meta page.
- *
- * Parameters:
- *	p:	page to convert
- */
-static void
-mswap(pg)
-	PAGE *pg;
-{
-	char *p;
-
-	p = (char *)pg;
-	P_32_SWAP(p);		/* magic */
-	p += sizeof(u_int32_t);
-	P_32_SWAP(p);		/* version */
-	p += sizeof(u_int32_t);
-	P_32_SWAP(p);		/* psize */
-	p += sizeof(u_int32_t);
-	P_32_SWAP(p);		/* free */
-	p += sizeof(u_int32_t);
-	P_32_SWAP(p);		/* nrecs */
-	p += sizeof(u_int32_t);
-	P_32_SWAP(p);		/* flags */
-	p += sizeof(u_int32_t);
-}