Update.cvs/libc-ud-970827

1997-08-10 19:17  Philip Blundell  <Philip.Blundell@pobox.com>

	* nss/nss_db/db-XXX.c: Include <db_185.h> not <db.h>.  Somebody
	should update this to use the new db API.
	* nss/nss_db/db-netgrp.c: Likewise.
	* nss/nss_db/db-alias.c: Likewise.
	* db2/Makefile: Makefile for db-2.x in glibc.

1997-08-27 21:20  Ulrich Drepper  <drepper@cygnus.com>

	* csu/Makefile (before-compile): New goal.  Make sure abi-tag.h
	is generated.
	[$(elf)=yes] (asm-CPPFLAGS): Make sure abi-tag.h file can be found.

	* Makeconfig [$(build-omitfp)=yes] (CFLAGS-.o): Add
	-D__USE_STRING_INLINES.
	* string/string.f: Move strnlen optimization after inclusion of
	<bits/string.h>.  Include <bits/string.h> only if __USE_STRING_INLINES
	is defined.
	* sysdeps/generic/memcpy.c: Undef memcpy to allow macro of this name
	in <bits/string.h>.
	* sysdeps/generic/memset.c: Likewise.
	* sysdeps/i386/string.h: i386 optimized string functions.
	* sysdeps/i386/i486string.h: i486+ optimized string functions.

	* Makefile (subdirs): Change db to db2.
	* shlib-versions: Bump libdb verion number to 3.
	* include/db.h: Include from db2 directory.
	* include/db_185.h: New file.
	* sysdeps/i386/Makefile [$(subdirs)=db2] (CPPFLAGS): Add macros
	to provide spinlock information for db2.
	* sysdeps/m68k/m68020/Makefile: New file.  Likewise.
	* sysdeps/sparc/Makefile: New file.  Likewise.
	* sysdeps/unix/sysv/linux/Makefile [$(subdirs)=db2] (CPPFLAGS):
	Add -DHAVE_LLSEEK.
	* db2/config.h: Hand-edited config file for db2 in glibc.
	* db2/compat.h: New file from db-2.3.4.
	* db2/db.h: Likewise.
	* db2/db_185.h: Likewise.
	* db2/db_int.h: Likewise.
	* db2/makedb.c: Likewise.
	* db2/btree/bt_close.c: Likewise.
	* db2/btree/bt_compare.c: Likewise.
	* db2/btree/bt_conv.c: Likewise.
	* db2/btree/bt_cursor.c: Likewise.
	* db2/btree/bt_delete.c: Likewise.
	* db2/btree/bt_open.c: Likewise.
	* db2/btree/bt_page.c: Likewise.
	* db2/btree/bt_put.c: Likewise.
	* db2/btree/bt_rec.c: Likewise.
	* db2/btree/bt_recno.c: Likewise.
	* db2/btree/btree_auto.c: Likewise.
	* db2/btree/bt_rsearch.c: Likewise.
	* db2/btree/bt_search.c: Likewise.
	* db2/btree/bt_split.c: Likewise.
	* db2/btree/bt_stat.c: Likewise.
	* db2/btree/btree.src: Likewise.
	* db2/common/db_appinit.c: Likewise.
	* db2/common/db_err.c: Likewise.
	* db2/common/db_byteorder.c: Likewise.
	* db2/common/db_apprec.c: Likewise.
	* db2/common/db_salloc.c: Likewise.
	* db2/common/db_log2.c: Likewise.
	* db2/common/db_region.c: Likewise.
	* db2/common/db_shash.c: Likewise.
	* db2/db/db.c: Likewise.
	* db2/db/db.src: Likewise.
	* db2/db/db_conv.c: Likewise.
	* db2/db/db_dispatch.c: Likewise.
	* db2/db/db_dup.c: Likewise.
	* db2/db/db_overflow.c: Likewise.
	* db2/db/db_pr.c: Likewise.
	* db2/db/db_rec.c: Likewise.
	* db2/db/db_ret.c: Likewise.
	* db2/db/db_thread.c: Likewise.
	* db2/db/db_auto.c: Likewise.
	* db2/db185/db185.c: Likewise.
	* db2/db185/db185_int.h: Likewise.
	* db2/dbm/dbm.c: Likewise.
	* db2/hash/hash.c: Likewise.
	* db2/hash/hash.src: Likewise.
	* db2/hash/hash_page.c: Likewise.
	* db2/hash/hash_conv.c: Likewise.
	* db2/hash/hash_debug.c: Likewise.
	* db2/hash/hash_stat.c: Likewise.
	* db2/hash/hash_rec.c: Likewise.
	* db2/hash/hash_dup.c: Likewise.
	* db2/hash/hash_func.c: Likewise.
	* db2/hash/hash_auto.c: Likewise.
	* db2/include/mp.h: Likewise.
	* db2/include/btree.h: Likewise.
	* db2/include/db.h.src: Likewise.
	* db2/include/db_int.h.src: Likewise.
	* db2/include/db_shash.h: Likewise.
	* db2/include/db_swap.h: Likewise.
	* db2/include/db_185.h.src: Likewise.
	* db2/include/txn.h: Likewise.
	* db2/include/db_am.h: Likewise.
	* db2/include/shqueue.h: Likewise.
	* db2/include/hash.h: Likewise.
	* db2/include/db_dispatch.h: Likewise.
	* db2/include/lock.h: Likewise.
	* db2/include/db_page.h: Likewise.
	* db2/include/log.h: Likewise.
	* db2/include/db_auto.h: Likewise.
	* db2/include/btree_auto.h: Likewise.
	* db2/include/hash_auto.h: Likewise.
	* db2/include/log_auto.h: Likewise.
	* db2/include/txn_auto.h: Likewise.
	* db2/include/db_ext.h: Likewise.
	* db2/include/btree_ext.h: Likewise.
	* db2/include/clib_ext.h: Likewise.
	* db2/include/common_ext.h: Likewise.
	* db2/include/hash_ext.h: Likewise.
	* db2/include/lock_ext.h: Likewise.
	* db2/include/log_ext.h: Likewise.
	* db2/include/mp_ext.h: Likewise.
	* db2/include/mutex_ext.h: Likewise.
	* db2/include/os_ext.h: Likewise.
	* db2/include/txn_ext.h: Likewise.
	* db2/include/cxx_int.h: Likewise.
	* db2/include/db_cxx.h: Likewise.
	* db2/include/queue.h: Likewise.
	* db2/lock/lock.c: Likewise.
	* db2/lock/lock_conflict.c: Likewise.
	* db2/lock/lock_util.c: Likewise.
	* db2/lock/lock_deadlock.c: Likewise.
	* db2/log/log.c: Likewise.
	* db2/log/log_get.c: Likewise.
	* db2/log/log.src: Likewise.
	* db2/log/log_compare.c: Likewise.
	* db2/log/log_put.c: Likewise.
	* db2/log/log_rec.c: Likewise.
	* db2/log/log_archive.c: Likewise.
	* db2/log/log_register.c: Likewise.
	* db2/log/log_auto.c: Likewise.
	* db2/log/log_findckp.c: Likewise.
	* db2/mp/mp_bh.c: Likewise.
	* db2/mp/mp_fget.c: Likewise.
	* db2/mp/mp_fopen.c: Likewise.
	* db2/mp/mp_fput.c: Likewise.
	* db2/mp/mp_fset.c: Likewise.
	* db2/mp/mp_open.c: Likewise.
	* db2/mp/mp_region.c: Likewise.
	* db2/mp/mp_pr.c: Likewise.
	* db2/mp/mp_sync.c: Likewise.
	* db2/mutex/68020.gcc: Likewise.
	* db2/mutex/mutex.c: Likewise.
	* db2/mutex/README: Likewise.
	* db2/mutex/x86.gcc: Likewise.
	* db2/mutex/sparc.gcc: Likewise.
	* db2/mutex/uts4.cc.s: Likewise.
	* db2/mutex/alpha.dec: Likewise.
	* db2/mutex/alpha.gcc: Likewise.
	* db2/mutex/parisc.gcc: Likewise.
	* db2/mutex/parisc.hp: Likewise.
	* db2/os/db_os_abs.c: Likewise.
	* db2/os/db_os_dir.c: Likewise.
	* db2/os/db_os_fid.c: Likewise.
	* db2/os/db_os_lseek.c: Likewise.
	* db2/os/db_os_mmap.c: Likewise.
	* db2/os/db_os_open.c: Likewise.
	* db2/os/db_os_rw.c: Likewise.
	* db2/os/db_os_sleep.c: Likewise.
	* db2/os/db_os_stat.c: Likewise.
	* db2/os/db_os_unlink.c: Likewise.
	* db2/txn/txn.c: Likewise.
	* db2/txn/txn.src: Likewise.
	* db2/txn/txn_rec.c: Likewise.
	* db2/txn/txn_auto.c: Likewise.
	* db2/clib/getlong.c: Likewise.
	* db2/progs/db_archive/db_archive.c: Likewise.
	* db2/progs/db_checkpoint/db_checkpoint.c: Likewise.
	* db2/progs/db_deadlock/db_deadlock.c: Likewise.
	* db2/progs/db_dump/db_dump.c: Likewise.
	* db2/progs/db_dump185/db_dump185.c: Likewise.
	* db2/progs/db_load/db_load.c: Likewise.
	* db2/progs/db_printlog/db_printlog.c: Likewise.
	* db2/progs/db_recover/db_recover.c: Likewise.
	* db2/progs/db_stat/db_stat.c: Likewise.

	* libio/stdio.h [__cplusplus] (__STDIO_INLINE): Define as inline.

	* po/de.po, po/sv.po: Update from 2.0.5 translations.

	* sysdeps/unix/sysv/linux/netinet/tcp.h: Pretty print.

	* sunrpc/rpc/xdr.h (XDR): Don't define argument of x_destroy callback
	as const.
	* sunrpc/xdr_mem.c (xdrmem_destroy): Don't define argument as const.
	* sunrpx/xdr_rec.c (xdrrec_destroy): Likewise.
	* sunrpx/xdr_stdio.c (xdrstdio_destroy): Likewise.

1997-08-27 18:47  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/if_index.c: Include <errno.h>.
	Reported by Benjamin Kosnik <bkoz@cygnus.com>.

1997-08-27 02:27  Roland McGrath  <roland@baalperazim.frob.com>

	* abi-tags: New file.
	* csu/Makefile (distribute): Remove abi-tag.h.
	($(objpfx)abi-tag.h): New target.
	* Makefile (distribute): Add abi-tags.
	* sysdeps/unix/sysv/linux/abi-tag.h: File removed.
	* sysdeps/mach/hurd/abi-tag.h: File removed.
	* sysdeps/stub/abi-tag.h: File removed.

1997-08-25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/make-syscalls.sh: Change output so that it
	generates compilation rules only for the currently selected object
	suffixes.

1997-08-25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/dl-machine.h (RTLD_START): Switch back to previous
	section to avoid confusing the compiler.
	* sysdeps/alpha/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/i386/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/mips/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/mips/mips64/dl-machine.h (RTLD_START): Likewise.
	* sysdeps/sparc/sparc32/dl-machine.h (RTLD_START): Likewise.

	* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use a GOT
	relocation instead of a constant to avoid text relocation.
	(ELF_MACHINE_BEFORE_RTLD_RELOC): Removed.
	(RTLD_START): Declare global labels as functions and add size
	directive.

1997-08-25 17:01  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/i386/bits/select.h: Correct assembler versions to work even
	for descriptors >= 32.

	* stdlib/alloca.h: Don't define alloca to __alloca since if gcc
	is used __alloca is not defined to __builtin_alloca and so might
	not be available.
	Reported by Uwe Ohse <uwe@ohse.de>.

	* sysdeps/unix/sysv/linux/sys/sysmacros.h: Define macros in a special
	way if gcc is not used and so dev_t is an array.
	Reported by Uwe Ohse <uwe@ohse.de>.

1997-08-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/libc.texinfo: Reorder chapters to match logical order.

1997-08-25 12:22  Ulrich Drepper  <drepper@cygnus.com>

	* sunrpc/rpc/xdr.h: Change name of parameters in prototypes of
	xdr_reference, xdrmem_create, and xdrstdio_create because of clash
	with g++ internal symbols.
	Patch by Sudish Joseph <sj@eng.mindspring.net>.

	* elf/dl-deps.c: Implement handling of DT_FILTER.

1 files changed, 810 insertions, 0 deletions

diff --git a/db2/hash/hash_rec.c b/db2/hash/hash_rec.c
new file mode 100644
index 0000000..81d9bb5
--- /dev/null
+++ b/db2/hash/hash_rec.c
@@ -0,0 +1,810 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+/*
+ * Copyright (c) 1995, 1996
+ *	Margo Seltzer.  All rights reserved.
+ */
+/*
+ * Copyright (c) 1995, 1996
+ *	The President and Fellows of Harvard University.  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[] = "@(#)hash_rec.c	10.12 (Sleepycat) 8/22/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#endif
+
+#include "db_int.h"
+#include "shqueue.h"
+#include "db_page.h"
+#include "hash.h"
+#include "btree.h"
+#include "log.h"
+#include "db_dispatch.h"
+#include "common_ext.h"
+
+/*
+ * __ham_insdel_recover --
+ *
+ * PUBLIC: int __ham_insdel_recover
+ * PUBLIC:     __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+ */
+int
+__ham_insdel_recover(logp, dbtp, lsnp, redo, info)
+	DB_LOG *logp;
+	DBT *dbtp;
+	DB_LSN *lsnp;
+	int redo;
+	void *info;
+{
+	__ham_insdel_args *argp;
+	DB *mdbp, *file_dbp;
+	DB_MPOOLFILE *mpf;
+	HTAB *hashp;
+	PAGE *pagep;
+	u_int32_t op;
+	int cmp_n, cmp_p, getmeta, ret;
+
+	getmeta = 0;
+	hashp = NULL;				/* XXX: shut the compiler up. */
+	REC_PRINT(__ham_insdel_print);
+	REC_INTRO(__ham_insdel_read);
+
+	ret = memp_fget(mpf, &argp->pgno, 0, &pagep);
+	if (ret != 0)
+		if (!redo) {
+			/*
+			 * We are undoing and the page doesn't exist.  That
+			 * is equivalent to having a pagelsn of 0, so we
+			 * would not have to undo anything.  In this case,
+			 * don't bother creating a page.
+			 */
+			*lsnp = argp->prev_lsn;
+			ret = 0;
+			goto out;
+		} else if ((ret = memp_fget(mpf, &argp->pgno,
+		    DB_MPOOL_CREATE, &pagep)) != 0)
+			goto out;
+
+
+	hashp = (HTAB *)file_dbp->internal;
+	GET_META(file_dbp, hashp);
+	getmeta = 1;
+
+	cmp_n = log_compare(lsnp, &LSN(pagep));
+	cmp_p = log_compare(&LSN(pagep), &argp->pagelsn);
+	/*
+	 * Two possible things going on:
+	 * redo a delete/undo a put: delete the item from the page.
+	 * redo a put/undo a delete: add the item to the page.
+	 * If we are undoing a delete, then the information logged is the
+	 * entire entry off the page, not just the data of a dbt.  In
+	 * this case, we want to copy it back onto the page verbatim.
+	 * We do this by calling __putitem with the type H_OFFPAGE instead
+	 * of H_KEYDATA.
+	 */
+	op = OPCODE_OF(argp->opcode);
+
+	if ((op == DELPAIR && cmp_n == 0 && !redo) ||
+	    (op == PUTPAIR && cmp_p == 0 && redo)) {
+		/* Need to redo a PUT or undo a delete. */
+		__ham_putitem(pagep, &argp->key,
+		    !redo || PAIR_ISKEYBIG(argp->opcode) ?
+		    H_OFFPAGE : H_KEYDATA);
+		__ham_putitem(pagep, &argp->data,
+		    !redo || PAIR_ISDATABIG(argp->opcode) ?
+		    H_OFFPAGE : H_KEYDATA);
+
+		LSN(pagep) = redo ? *lsnp : argp->pagelsn;
+		if ((ret = __ham_put_page(file_dbp, pagep, 1)) != 0)
+			goto out;
+
+	} else if ((op == DELPAIR && cmp_p == 0 && redo)
+	    || (op == PUTPAIR && cmp_n == 0 && !redo)) {
+		/* Need to undo a put or redo a delete. */
+		__ham_dpair(file_dbp, pagep, argp->ndx);
+		LSN(pagep) = redo ? *lsnp : argp->pagelsn;
+		if ((ret = __ham_put_page(file_dbp, (PAGE *)pagep, 1)) != 0)
+			goto out;
+	} else
+		if ((ret = __ham_put_page(file_dbp, (PAGE *)pagep, 0)) != 0)
+			goto out;
+
+	/* Return the previous LSN. */
+	*lsnp = argp->prev_lsn;
+
+out:	if (getmeta)
+		RELEASE_META(file_dbp, hashp);
+	REC_CLOSE;
+}
+
+/*
+ * __ham_newpage_recover --
+ *	This log message is used when we add/remove overflow pages.  This
+ *	message takes care of the pointer chains, not the data on the pages.
+ *
+ * PUBLIC: int __ham_newpage_recover
+ * PUBLIC:     __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+ */
+int
+__ham_newpage_recover(logp, dbtp, lsnp, redo, info)
+	DB_LOG *logp;
+	DBT *dbtp;
+	DB_LSN *lsnp;
+	int redo;
+	void *info;
+{
+	__ham_newpage_args *argp;
+	DB *mdbp, *file_dbp;
+	DB_MPOOLFILE *mpf;
+	HTAB *hashp;
+	PAGE *pagep;
+	int cmp_n, cmp_p, change, getmeta, ret;
+
+	getmeta = 0;
+	hashp = NULL;				/* XXX: shut the compiler up. */
+	REC_PRINT(__ham_newpage_print);
+	REC_INTRO(__ham_newpage_read);
+
+	ret = memp_fget(mpf, &argp->new_pgno, 0, &pagep);
+	if (ret != 0)
+		if (!redo) {
+			/*
+			 * We are undoing and the page doesn't exist.  That
+			 * is equivalent to having a pagelsn of 0, so we
+			 * would not have to undo anything.  In this case,
+			 * don't bother creating a page.
+			 */
+			ret = 0;
+			goto ppage;
+		} else if ((ret = memp_fget(mpf, &argp->new_pgno,
+		    DB_MPOOL_CREATE, &pagep)) != 0)
+			goto out;
+
+	hashp = (HTAB *)file_dbp->internal;
+	GET_META(file_dbp, hashp);
+	getmeta = 1;
+
+	/*
+	 * There are potentially three pages we need to check: the one
+	 * that we created/deleted, the one before it and the one after
+	 * it.
+	 */
+
+	cmp_n = log_compare(lsnp, &LSN(pagep));
+	cmp_p = log_compare(&LSN(pagep), &argp->pagelsn);
+	change = 0;
+
+	if ((cmp_p == 0 && redo && argp->opcode == PUTOVFL) ||
+	    (cmp_n == 0 && !redo && argp->opcode == DELOVFL)) {
+		/* Redo a create new page or undo a delete new page. */
+		P_INIT(pagep, file_dbp->pgsize, argp->new_pgno,
+		    argp->prev_pgno, argp->next_pgno, 0, P_HASH);
+		change = 1;
+	} else if ((cmp_p == 0 && redo && argp->opcode == DELOVFL) ||
+	    (cmp_n == 0 && !redo && argp->opcode == PUTOVFL)) {
+		/*
+		 * Redo a delete or undo a create new page.  All we
+		 * really need to do is change the LSN.
+		 */
+		change = 1;
+	}
+
+	if (!change) {
+		if ((ret = __ham_put_page(file_dbp, (PAGE *)pagep, 0)) != 0)
+			goto out;
+	} else {
+		LSN(pagep) = redo ? *lsnp : argp->pagelsn;
+		if ((ret = __ham_put_page(file_dbp, (PAGE *)pagep, 1)) != 0)
+			goto out;
+	}
+
+	/* Now do the prev page. */
+ppage:	if (argp->prev_pgno != PGNO_INVALID) {
+		ret = memp_fget(mpf, &argp->prev_pgno, 0, &pagep);
+
+		if (ret != 0)
+			if (!redo) {
+				/*
+				 * We are undoing and the page doesn't exist.
+				 * That is equivalent to having a pagelsn of 0,
+				 * so we would not have to undo anything.  In
+				 * this case, don't bother creating a page.
+				 */
+				ret = 0;
+				goto npage;
+			} else if ((ret =
+			    memp_fget(mpf, &argp->prev_pgno,
+			    DB_MPOOL_CREATE, &pagep)) != 0)
+				goto out;
+
+		cmp_n = log_compare(lsnp, &LSN(pagep));
+		cmp_p = log_compare(&LSN(pagep), &argp->prevlsn);
+		change = 0;
+
+		if ((cmp_p == 0 && redo && argp->opcode == PUTOVFL) ||
+		    (cmp_n == 0 && !redo && argp->opcode == DELOVFL)) {
+			/* Redo a create new page or undo a delete new page. */
+			pagep->next_pgno = argp->new_pgno;
+			change = 1;
+		} else if ((cmp_p == 0 && redo && argp->opcode == DELOVFL) ||
+		    (cmp_n == 0 && !redo && argp->opcode == PUTOVFL)) {
+			/* Redo a delete or undo a create new page. */
+			pagep->next_pgno = argp->next_pgno;
+			change = 1;
+		}
+
+		if (!change) {
+			if ((ret = __ham_put_page(file_dbp, (PAGE *)pagep, 0)) != 0)
+				goto out;
+		} else {
+			LSN(pagep) = redo ? *lsnp : argp->prevlsn;
+			if ((ret = __ham_put_page(file_dbp, (PAGE *)pagep, 1)) != 0)
+				goto out;
+		}
+	}
+
+	/* Now time to do the next page */
+npage:	if (argp->next_pgno != PGNO_INVALID) {
+		ret = memp_fget(mpf, &argp->next_pgno, 0, &pagep);
+
+		if (ret != 0)
+			if (!redo) {
+				/*
+				 * We are undoing and the page doesn't exist.
+				 * That is equivalent to having a pagelsn of 0,
+				 * so we would not have to undo anything.  In
+				 * this case, don't bother creating a page.
+				 */
+				*lsnp = argp->prev_lsn;
+				ret = 0;
+				goto out;
+			} else if ((ret =
+			    memp_fget(mpf, &argp->next_pgno,
+			    DB_MPOOL_CREATE, &pagep)) != 0)
+				goto out;
+
+		cmp_n = log_compare(lsnp, &LSN(pagep));
+		cmp_p = log_compare(&LSN(pagep), &argp->nextlsn);
+		change = 0;
+
+		if ((cmp_p == 0 && redo && argp->opcode == PUTOVFL) ||
+		    (cmp_n == 0 && !redo && argp->opcode == DELOVFL)) {
+			/* Redo a create new page or undo a delete new page. */
+			pagep->prev_pgno = argp->new_pgno;
+			change = 1;
+		} else if ((cmp_p == 0 && redo && argp->opcode == DELOVFL) ||
+		    (cmp_n == 0 && !redo && argp->opcode == PUTOVFL)) {
+			/* Redo a delete or undo a create new page. */
+			pagep->prev_pgno = argp->prev_pgno;
+			change = 1;
+		}
+
+		if (!change) {
+			if ((ret =
+			    __ham_put_page(file_dbp, (PAGE *)pagep, 0)) != 0)
+				goto out;
+		} else {
+			LSN(pagep) = redo ? *lsnp : argp->nextlsn;
+			if ((ret =
+			    __ham_put_page(file_dbp, (PAGE *)pagep, 1)) != 0)
+				goto out;
+		}
+	}
+	*lsnp = argp->prev_lsn;
+
+out:	if (getmeta)
+		RELEASE_META(file_dbp, hashp);
+	REC_CLOSE;
+}
+
+
+/*
+ * __ham_replace_recover --
+ *	This log message refers to partial puts that are local to a single
+ *	page.  You can think of them as special cases of the more general
+ *	insdel log message.
+ *
+ * PUBLIC: int __ham_replace_recover
+ * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+ */
+int
+__ham_replace_recover(logp, dbtp, lsnp, redo, info)
+	DB_LOG *logp;
+	DBT *dbtp;
+	DB_LSN *lsnp;
+	int redo;
+	void *info;
+{
+	__ham_replace_args *argp;
+	DB *mdbp, *file_dbp;
+	DB_MPOOLFILE *mpf;
+	DBT dbt;
+	HKEYDATA *hk;
+	HTAB *hashp;
+	PAGE *pagep;
+	int32_t grow;
+	int change, cmp_n, cmp_p, getmeta, ret;
+
+	getmeta = 0;
+	hashp = NULL;				/* XXX: shut the compiler up. */
+	REC_PRINT(__ham_replace_print);
+	REC_INTRO(__ham_replace_read);
+
+	ret = memp_fget(mpf, &argp->pgno, 0, &pagep);
+	if (ret != 0)
+		if (!redo) {
+			/*
+			 * We are undoing and the page doesn't exist.  That
+			 * is equivalent to having a pagelsn of 0, so we
+			 * would not have to undo anything.  In this case,
+			 * don't bother creating a page.
+			 */
+			*lsnp = argp->prev_lsn;
+			ret = 0;
+			goto out;
+		} else if ((ret = memp_fget(mpf, &argp->pgno,
+		    DB_MPOOL_CREATE, &pagep)) != 0)
+			goto out;
+
+	hashp = (HTAB *)file_dbp->internal;
+	GET_META(file_dbp, hashp);
+	getmeta = 1;
+
+	cmp_n = log_compare(lsnp, &LSN(pagep));
+	cmp_p = log_compare(&LSN(pagep), &argp->pagelsn);
+
+	if (cmp_p == 0 && redo) {
+		change = 1;
+		/* Reapply the change as specified. */
+		dbt.data = argp->newitem.data;
+		dbt.size = argp->newitem.size;
+		grow = argp->newitem.size - argp->olditem.size;
+		LSN(pagep) = *lsnp;
+	} else if (cmp_n == 0 && !redo) {
+		change = 1;
+		/* Undo the already applied change. */
+		dbt.data = argp->olditem.data;
+		dbt.size = argp->olditem.size;
+		grow = argp->olditem.size - argp->newitem.size;
+		LSN(pagep) = argp->pagelsn;
+	} else {
+		change = 0;
+		grow = 0;
+	}
+
+	if (change) {
+		__ham_onpage_replace(pagep,
+		    file_dbp->pgsize, argp->ndx, argp->off, grow, &dbt);
+		if (argp->makedup) {
+			hk = GET_HKEYDATA(pagep, argp->ndx);
+			if (redo)
+				hk->type = H_DUPLICATE;
+			else
+				hk->type = H_KEYDATA;
+		}
+	}
+
+	if ((ret = __ham_put_page(file_dbp, pagep, change)) != 0)
+		goto out;
+
+	*lsnp = argp->prev_lsn;
+
+out:	if (getmeta)
+		RELEASE_META(file_dbp, hashp);
+	REC_CLOSE;
+}
+
+/*
+ * __ham_newpgno_recover --
+ *	This log message is used when allocating or deleting an overflow
+ *	page.  It takes care of modifying the meta data.
+ *
+ * PUBLIC: int __ham_newpgno_recover
+ * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+ */
+int
+__ham_newpgno_recover(logp, dbtp, lsnp, redo, info)
+	DB_LOG *logp;
+	DBT *dbtp;
+	DB_LSN *lsnp;
+	int redo;
+	 void *info;
+{
+	__ham_newpgno_args *argp;
+	DB *mdbp, *file_dbp;
+	DB_MPOOLFILE *mpf;
+	HTAB *hashp;
+	PAGE *pagep;
+	int change, cmp_n, cmp_p, getmeta, ret;
+
+	getmeta = 0;
+	hashp = NULL;				/* XXX: shut the compiler up. */
+	REC_PRINT(__ham_newpgno_print);
+	REC_INTRO(__ham_newpgno_read);
+
+	hashp = (HTAB *)file_dbp->internal;
+	GET_META(file_dbp, hashp);
+	getmeta = 1;
+
+	/*
+	 * There are two phases to the recovery here.  First we need
+	 * to update the meta data; then we need to update the page.
+	 * We'll do the meta-data first.
+	 */
+	cmp_n = log_compare(lsnp, &hashp->hdr->lsn);
+	cmp_p = log_compare(&hashp->hdr->lsn, &argp->metalsn);
+
+	change = 0;
+	if ((cmp_p == 0 && redo && argp->opcode == ALLOCPGNO) ||
+	    (cmp_n == 0 && !redo && argp->opcode == DELPGNO)) {
+		/* Need to redo an allocation or undo a deletion. */
+		hashp->hdr->last_freed = argp->free_pgno;
+		if (redo && argp->old_pgno != 0) /* Must be ALLOCPGNO */
+			hashp->hdr->spares[hashp->hdr->ovfl_point]++;
+		change = 1;
+	} else if (cmp_p == 0 && redo && argp->opcode == DELPGNO) {
+		/* Need to redo a deletion */
+		hashp->hdr->last_freed = argp->pgno;
+		change = 1;
+	} else if (cmp_n == 0 && !redo && argp->opcode == ALLOCPGNO) {
+		/* undo an allocation. */
+		if (argp->old_pgno == 0)
+			hashp->hdr->last_freed = argp->pgno;
+		else {
+			hashp->hdr->spares[hashp->hdr->ovfl_point]--;
+			hashp->hdr->last_freed = 0;
+		}
+		change = 1;
+	}
+	if (change) {
+		hashp->hdr->lsn = redo ? *lsnp : argp->metalsn;
+		F_SET(file_dbp, DB_HS_DIRTYMETA);
+	}
+
+
+	/* Now check the newly allocated/freed page. */
+	ret = memp_fget(mpf, &argp->pgno, 0, &pagep);
+
+	if (ret != 0)
+		if (!redo) {
+			/*
+			 * We are undoing and the page doesn't exist.  That
+			 * is equivalent to having a pagelsn of 0, so we
+			 * would not have to undo anything.  In this case,
+			 * don't bother creating a page.
+			 */
+			*lsnp = argp->prev_lsn;
+			ret = 0;
+			goto out;
+		} else if ((ret = memp_fget(mpf, &argp->pgno,
+		    DB_MPOOL_CREATE, &pagep)) != 0)
+			goto out;
+
+	cmp_n = log_compare(lsnp, &LSN(pagep));
+	cmp_p = log_compare(&LSN(pagep), &argp->pagelsn);
+
+	change = 0;
+	if (cmp_p == 0 && redo && argp->opcode == ALLOCPGNO) {
+		/* Need to redo an allocation. */
+		P_INIT(pagep, file_dbp->pgsize, argp->pgno, PGNO_INVALID,
+		    PGNO_INVALID, 0, argp->new_type);
+		change = 1;
+	} else if (cmp_n == 0 && !redo && argp->opcode == DELPGNO) {
+		/* Undoing a delete. */
+		P_INIT(pagep, file_dbp->pgsize, argp->pgno, PGNO_INVALID,
+		    argp->old_pgno, 0, argp->old_type);
+		change = 1;
+	} else if ((cmp_p == 0 && redo && argp->opcode == DELPGNO) ||
+	    (cmp_n == 0 && !redo && argp->opcode == ALLOCPGNO)) {
+		/* Need to redo a deletion or undo an allocation. */
+		NEXT_PGNO(pagep) = argp->free_pgno;
+		TYPE(pagep) = P_INVALID;
+		change = 1;
+	}
+	if (change)
+		LSN(pagep) = redo ? *lsnp : argp->pagelsn;
+
+	if ((ret = __ham_put_page(file_dbp, pagep, change)) != 0)
+		goto out;
+
+	*lsnp = argp->prev_lsn;
+
+out:	if (getmeta)
+		RELEASE_META(file_dbp, hashp);
+	REC_CLOSE;
+
+}
+
+/*
+ * __ham_splitmeta_recover --
+ *	This is the meta-data part of the split.  Records the new and old
+ *	bucket numbers and the new/old mask information.
+ *
+ * PUBLIC: int __ham_splitmeta_recover
+ * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+ */
+int
+__ham_splitmeta_recover(logp, dbtp, lsnp, redo, info)
+	DB_LOG *logp;
+	DBT *dbtp;
+	DB_LSN *lsnp;
+	int redo;
+	 void *info;
+{
+	__ham_splitmeta_args *argp;
+	DB *mdbp, *file_dbp;
+	DB_MPOOLFILE *mpf;
+	HTAB *hashp;
+	int change, cmp_n, cmp_p, getmeta, ret;
+	u_int32_t pow;
+
+	getmeta = 0;
+	hashp = NULL;				/* XXX: shut the compiler up. */
+	REC_PRINT(__ham_splitmeta_print);
+	REC_INTRO(__ham_splitmeta_read);
+
+	hashp = (HTAB *)file_dbp->internal;
+	GET_META(file_dbp, hashp);
+	getmeta = 1;
+
+	/*
+	 * There are two phases to the recovery here.  First we need
+	 * to update the meta data; then we need to update the page.
+	 * We'll do the meta-data first.
+	 */
+	cmp_n = log_compare(lsnp, &hashp->hdr->lsn);
+	cmp_p = log_compare(&hashp->hdr->lsn, &argp->metalsn);
+
+	change = 0;
+	if (cmp_p == 0 && redo) {
+		/* Need to redo the split information. */
+		hashp->hdr->max_bucket = argp->bucket + 1;
+		pow = __db_log2(hashp->hdr->max_bucket + 1);
+		if (pow > hashp->hdr->ovfl_point) {
+			hashp->hdr->spares[pow] =
+				hashp->hdr->spares[hashp->hdr->ovfl_point];
+			hashp->hdr->ovfl_point = pow;
+		}
+		if (hashp->hdr->max_bucket > hashp->hdr->high_mask) {
+			hashp->hdr->low_mask = hashp->hdr->high_mask;
+			hashp->hdr->high_mask =
+			    hashp->hdr->max_bucket | hashp->hdr->low_mask;
+		}
+		change = 1;
+	} else if (cmp_n == 0 && !redo) {
+		/* Need to undo the split information. */
+		hashp->hdr->max_bucket = argp->bucket;
+		hashp->hdr->ovfl_point = argp->ovflpoint;
+		hashp->hdr->spares[hashp->hdr->ovfl_point] = argp->spares;
+		pow = 1 << __db_log2(hashp->hdr->max_bucket + 1);
+		hashp->hdr->high_mask = pow - 1;
+		hashp->hdr->low_mask = (pow >> 1) - 1;
+		change = 1;
+	}
+	if (change) {
+		hashp->hdr->lsn = redo ? *lsnp : argp->metalsn;
+		F_SET(file_dbp, DB_HS_DIRTYMETA);
+	}
+	*lsnp = argp->prev_lsn;
+
+out:	if (getmeta)
+		RELEASE_META(file_dbp, hashp);
+	REC_CLOSE;
+}
+
+/*
+ * __ham_splitdata_recover --
+ *
+ * PUBLIC: int __ham_splitdata_recover
+ * PUBLIC:    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+ */
+int
+__ham_splitdata_recover(logp, dbtp, lsnp, redo, info)
+	DB_LOG *logp;
+	DBT *dbtp;
+	DB_LSN *lsnp;
+	int redo;
+	 void *info;
+{
+	__ham_splitdata_args *argp;
+	DB *mdbp, *file_dbp;
+	DB_MPOOLFILE *mpf;
+	HTAB *hashp;
+	PAGE *pagep;
+	int change, cmp_n, cmp_p, getmeta, ret;
+
+	getmeta = 0;
+	hashp = NULL;				/* XXX: shut the compiler up. */
+	REC_PRINT(__ham_splitdata_print);
+	REC_INTRO(__ham_splitdata_read);
+
+	ret = memp_fget(mpf, &argp->pgno, 0, &pagep);
+	if (ret != 0)
+		if (!redo) {
+			/*
+			 * We are undoing and the page doesn't exist.  That
+			 * is equivalent to having a pagelsn of 0, so we
+			 * would not have to undo anything.  In this case,
+			 * don't bother creating a page.
+			 */
+			*lsnp = argp->prev_lsn;
+			ret = 0;
+			goto out;
+		} else if ((ret = memp_fget(mpf, &argp->pgno,
+		    DB_MPOOL_CREATE, &pagep)) != 0)
+			goto out;
+
+	hashp = (HTAB *)file_dbp->internal;
+	GET_META(file_dbp, hashp);
+	getmeta = 1;
+
+	cmp_n = log_compare(lsnp, &LSN(pagep));
+	cmp_p = log_compare(&LSN(pagep), &argp->pagelsn);
+
+	/*
+	 * There are two types of log messages here, one for the old page
+	 * and one for the new pages created.  The original image in the
+	 * SPLITOLD record is used for undo.  The image in the SPLITNEW
+	 * is used for redo.  We should never have a case where there is
+	 * a redo operation and the SPLITOLD record is on disk, but not
+	 * the SPLITNEW record.  Therefore, we only have work to do when
+	 * redo NEW messages and undo OLD messages, but we have to update
+	 * LSNs in both cases.
+	 */
+	change = 0;
+	if (cmp_p == 0 && redo) {
+		if (argp->opcode == SPLITNEW)
+			/* Need to redo the split described. */
+			memcpy(pagep, argp->pageimage.data,
+			    argp->pageimage.size);
+		LSN(pagep) = *lsnp;
+		change = 1;
+	} else if (cmp_n == 0 && !redo) {
+		if (argp->opcode == SPLITOLD) {
+			/* Put back the old image. */
+			memcpy(pagep, argp->pageimage.data,
+			    argp->pageimage.size);
+		} else
+			P_INIT(pagep, file_dbp->pgsize, argp->pgno,
+			    PGNO_INVALID, PGNO_INVALID, 0, P_HASH);
+		LSN(pagep) = argp->pagelsn;
+		change = 1;
+	}
+	if ((ret = __ham_put_page(file_dbp, pagep, change)) != 0)
+		goto out;
+
+	*lsnp = argp->prev_lsn;
+
+out:	if (getmeta)
+		RELEASE_META(file_dbp, hashp);
+	REC_CLOSE;
+}
+
+/*
+ * __ham_ovfl_recover --
+ *	This message is generated when we initialize a set of overflow pages.
+ *
+ * PUBLIC: int __ham_ovfl_recover
+ * PUBLIC:     __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+ */
+int
+__ham_ovfl_recover(logp, dbtp, lsnp, redo, info)
+	DB_LOG *logp;
+	DBT *dbtp;
+	DB_LSN *lsnp;
+	int redo;
+	 void *info;
+{
+	__ham_ovfl_args *argp;
+	DB *mdbp, *file_dbp;
+	DB_MPOOLFILE *mpf;
+	HTAB *hashp;
+	PAGE *pagep;
+	db_pgno_t max_pgno, pgno;
+	int cmp_n, cmp_p, getmeta, ret;
+
+	getmeta = 0;
+	hashp = NULL;				/* XXX: shut the compiler up. */
+	REC_PRINT(__ham_ovfl_print);
+	REC_INTRO(__ham_ovfl_read);
+
+	hashp = (HTAB *)file_dbp->internal;
+	GET_META(file_dbp, hashp);
+	getmeta = 1;
+	file_dbp = NULL;
+
+	cmp_n = log_compare(lsnp, &hashp->hdr->lsn);
+	cmp_p = log_compare(&hashp->hdr->lsn, &argp->metalsn);
+
+	if (cmp_p == 0 && redo) {
+		/* Redo the allocation. */
+		hashp->hdr->last_freed = argp->start_pgno;
+		hashp->hdr->spares[argp->npages  - 1] += argp->npages;
+		hashp->hdr->lsn = *lsnp;
+		F_SET(file_dbp, DB_HS_DIRTYMETA);
+	} else if (cmp_n == 0 && !redo) {
+		hashp->hdr->last_freed = argp->free_pgno;
+		hashp->hdr->spares[argp->npages  - 1] -= argp->npages;
+		hashp->hdr->lsn = argp->metalsn;
+		F_SET(file_dbp, DB_HS_DIRTYMETA);
+	}
+
+	max_pgno = argp->start_pgno + argp->npages - 1;
+	ret = 0;
+	for (pgno = argp->start_pgno; pgno <= max_pgno; pgno++) {
+		ret = memp_fget(mpf, &pgno, 0, &pagep);
+		if (ret != 0) {
+			if (redo && (ret = memp_fget(mpf, &pgno,
+			    DB_MPOOL_CREATE, &pagep)) != 0)
+				goto out;
+			else if (!redo) {
+				(void)__ham_put_page(file_dbp, pagep, 0);
+				continue;
+			}
+		}
+		if (redo && log_compare((const DB_LSN *)lsnp,
+		    (const DB_LSN *)&LSN(pagep)) > 0) {
+			P_INIT(pagep, file_dbp->pgsize, pgno, PGNO_INVALID,
+			    pgno == max_pgno ? argp->free_pgno : pgno + 1,
+			    0, P_HASH);
+			LSN(pagep) = *lsnp;
+			ret = __ham_put_page(file_dbp, pagep, 1);
+		} else if (!redo) {
+			ZERO_LSN(pagep->lsn);
+			ret = __ham_put_page(file_dbp, pagep, 1);
+		} else
+			ret = __ham_put_page(file_dbp, pagep, 0);
+		if (ret)
+			goto out;
+	}
+
+	*lsnp = argp->prev_lsn;
+out:	if (getmeta)
+		RELEASE_META(file_dbp, hashp);
+	REC_CLOSE;
+}