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, 796 insertions, 0 deletions

diff --git a/db2/include/db.h.src b/db2/include/db.h.src
new file mode 100644
index 0000000000..f9b29fa2af
--- /dev/null
+++ b/db2/include/db.h.src
@@ -0,0 +1,796 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997
+ *	Sleepycat Software.  All rights reserved.
+ *
+ *	@(#)db.h.src	10.67 (Sleepycat) 8/25/97
+ */
+
+#ifndef _DB_H_
+#define	_DB_H_
+
+#ifndef __NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <stdio.h>
+#endif
+
+/*
+ * XXX
+ * MacOS: ensure that Metrowerks C makes enumeration types int sized.
+ */
+#ifdef __MWERKS__
+#pragma enumsalwaysint on
+#endif
+
+/*
+ * XXX
+ * Handle function prototypes and the keyword "const".  This steps on name
+ * space that DB doesn't control, but all of the other solutions are worse.
+ */
+#undef	__P
+#if defined(__STDC__) || defined(__cplusplus)
+#define	__P(protos)	protos		/* ANSI C prototypes */
+#else
+#define	const
+#define	__P(protos)	()		/* K&R C preprocessor */
+#endif
+
+/*
+ * !!!
+ * DB needs basic information about specifically sized types.  If they're
+ * not provided by the system, typedef them here.
+ *
+ * We protect them against multiple inclusion using __BIT_TYPES_DEFINED__,
+ * as does BIND and Kerberos, since we don't know for sure what #include
+ * files the user is using.
+ *
+ * !!!
+ * We also provide the standard u_int, u_long etc., if they're not provided
+ * by the system.  This isn't completely necessary, but the example programs
+ * need them.
+ */
+#ifndef	__BIT_TYPES_DEFINED__
+#define	__BIT_TYPES_DEFINED__
+@u_int8_decl@
+@int16_decl@
+@u_int16_decl@
+@int32_decl@
+@u_int32_decl@
+#endif
+
+@u_char_decl@
+@u_short_decl@
+@u_int_decl@
+@u_long_decl@
+
+#define	DB_VERSION_MAJOR	2
+#define	DB_VERSION_MINOR	3
+#define	DB_VERSION_PATCH	4
+#define	DB_VERSION_STRING	"Sleepycat Software: DB 2.3.4: (8/20/97)"
+
+typedef	u_int32_t	db_pgno_t;	/* Page number type. */
+typedef	u_int16_t	db_indx_t;	/* Page offset type. */
+#define	DB_MAX_PAGES	0xffffffff	/* >= # of pages in a file */
+
+typedef	u_int32_t	db_recno_t;	/* Record number type. */
+typedef size_t		DB_LOCK;	/* Object returned by lock manager. */
+#define	DB_MAX_RECORDS	0xffffffff	/* >= # of records in a tree */
+
+#define	DB_FILE_ID_LEN		20	/* DB file ID length. */
+
+/* Forward structure declarations, so applications get type checking. */
+struct __db;		typedef struct __db DB;
+#ifdef DB_DBM_HSEARCH
+			typedef struct __db DBM;
+#endif
+struct __db_bt_stat;	typedef struct __db_bt_stat DB_BTREE_STAT;
+struct __db_dbt;	typedef struct __db_dbt DBT;
+struct __db_env;	typedef struct __db_env DB_ENV;
+struct __db_info;	typedef struct __db_info DB_INFO;
+struct __db_lockregion;	typedef struct __db_lockregion DB_LOCKREGION;
+struct __db_lockreq;	typedef struct __db_lockreq DB_LOCKREQ;
+struct __db_locktab;	typedef struct __db_locktab DB_LOCKTAB;
+struct __db_log;	typedef struct __db_log DB_LOG;
+struct __db_lsn;	typedef struct __db_lsn DB_LSN;
+struct __db_mpool;	typedef struct __db_mpool DB_MPOOL;
+struct __db_mpool_fstat;typedef struct __db_mpool_fstat DB_MPOOL_FSTAT;
+struct __db_mpool_stat;	typedef struct __db_mpool_stat DB_MPOOL_STAT;
+struct __db_mpoolfile;	typedef struct __db_mpoolfile DB_MPOOLFILE;
+struct __db_txn;	typedef struct __db_txn DB_TXN;
+struct __db_txn_active;	typedef struct __db_txn_active DB_TXN_ACTIVE;
+struct __db_txn_stat;	typedef struct __db_txn_stat DB_TXN_STAT;
+struct __db_txnmgr;	typedef struct __db_txnmgr DB_TXNMGR;
+struct __db_txnregion;	typedef struct __db_txnregion DB_TXNREGION;
+struct __dbc;		typedef struct __dbc DBC;
+
+/* Key/data structure -- a Data-Base Thang. */
+struct __db_dbt {
+	void	 *data;			/* key/data */
+	u_int32_t size;			/* key/data length */
+	u_int32_t ulen;			/* RO: length of user buffer. */
+	u_int32_t dlen;			/* RO: get/put record length. */
+	u_int32_t doff;			/* RO: get/put record offset. */
+
+#define	DB_DBT_INTERNAL	0x01		/* Perform any mallocs using regular
+					   malloc, not the user's malloc. */
+#define	DB_DBT_MALLOC	0x02		/* Return in allocated memory. */
+#define	DB_DBT_PARTIAL	0x04		/* Partial put/get. */
+#define	DB_DBT_USERMEM	0x08		/* Return in user's memory. */
+	u_int32_t flags;
+};
+
+/*
+ * Database configuration and initialization.
+ */
+ /*
+  * Flags understood by both db_open(3) and db_appinit(3).
+  */
+#define	DB_CREATE		0x00001	/* O_CREAT: create file as necessary. */
+#define	DB_NOMMAP		0x00002	/* Don't mmap underlying file. */
+#define	DB_THREAD		0x00004	/* Free-thread DB package handles. */
+
+/*
+ * Flags understood by db_appinit(3).
+ *
+ * DB_APP_INIT and DB_MUTEXDEBUG are internal only, and not documented.
+ */
+/*				0x00007	   COMMON MASK. */
+#define	DB_APP_INIT		0x00008	/* Appinit called, paths initialized. */
+#define	DB_INIT_LOCK		0x00010	/* Initialize locking. */
+#define	DB_INIT_LOG		0x00020	/* Initialize logging. */
+#define	DB_INIT_MPOOL		0x00040	/* Initialize mpool. */
+#define	DB_INIT_TXN		0x00080	/* Initialize transactions. */
+#define	DB_MPOOL_PRIVATE	0x00100	/* Mpool: private memory pool. */
+#define	DB_MUTEXDEBUG		0x00200	/* Do not get/set mutexes in regions. */
+#define	DB_RECOVER		0x00400	/* Run normal recovery. */
+#define	DB_RECOVER_FATAL	0x00800 /* Run catastrophic recovery. */
+#define	DB_TXN_NOSYNC		0x01000	/* Do not sync log on commit. */
+#define	DB_USE_ENVIRON		0x02000	/* Use the environment. */
+#define	DB_USE_ENVIRON_ROOT	0x04000	/* Use the environment if root. */
+
+/* CURRENTLY UNUSED LOCK FLAGS. */
+#define	DB_TXN_LOCK_2PL		0x00000	/* Two-phase locking. */
+#define	DB_TXN_LOCK_OPTIMISTIC	0x00000	/* Optimistic locking. */
+#define	DB_TXN_LOCK_MASK	0x00000	/* Lock flags mask. */
+
+/* CURRENTLY UNUSED LOG FLAGS. */
+#define	DB_TXN_LOG_REDO		0x00000	/* Redo-only logging. */
+#define	DB_TXN_LOG_UNDO		0x00000	/* Undo-only logging. */
+#define	DB_TXN_LOG_UNDOREDO	0x00000	/* Undo/redo write-ahead logging. */
+#define	DB_TXN_LOG_MASK		0x00000	/* Log flags mask. */
+
+/*
+ * Flags understood by db_open(3).
+ *
+ * DB_EXCL and DB_TEMPORARY are internal only, and not documented.
+ * DB_SEQUENTIAL is currently internal, but likely to be exported some day.
+ */
+/*				0x00007	   COMMON MASK. */
+/*				0x07fff	   ALREADY USED. */
+#define	DB_EXCL			0x08000	/* O_EXCL: exclusive open. */
+#define	DB_RDONLY		0x10000	/* O_RDONLY: read-only. */
+#define	DB_SEQUENTIAL		0x20000	/* Indicate sequential access. */
+#define	DB_TEMPORARY		0x40000	/* Remove on last close. */
+#define	DB_TRUNCATE		0x80000	/* O_TRUNCATE: replace existing DB. */
+
+/*
+ * Deadlock detector modes; used in the DBENV structure to configure the
+ * locking subsystem.
+ */
+#define	DB_LOCK_NORUN		0x0
+#define	DB_LOCK_DEFAULT		0x1
+#define	DB_LOCK_OLDEST		0x2
+#define	DB_LOCK_RANDOM		0x3
+#define	DB_LOCK_YOUNGEST	0x4
+
+struct __db_env {
+	int		 db_lorder;	/* Byte order. */
+
+					/* Error message callback. */
+	void (*db_errcall) __P((const char *, char *));
+	FILE		*db_errfile;	/* Error message file stream. */
+	const char	*db_errpfx;	/* Error message prefix. */
+	int		 db_verbose;	/* Generate debugging messages. */
+
+	/* User paths. */
+	char		*db_home;	/* Database home. */
+	char		*db_log_dir;	/* Database log file directory. */
+	char		*db_tmp_dir;	/* Database tmp file directory. */
+
+	char	       **db_data_dir;	/* Database data file directories. */
+	int		 data_cnt;	/* Database data file slots. */
+	int		 data_next;	/* Next Database data file slot. */
+
+	/* Locking. */
+	DB_LOCKTAB	*lk_info;	/* Return from lock_open(). */
+	u_int8_t	*lk_conflicts;	/* Two dimensional conflict matrix. */
+	int		 lk_modes;	/* Number of lock modes in table. */
+	unsigned int	 lk_max;	/* Maximum number of locks. */
+	u_int32_t	 lk_detect;	/* Deadlock detect on every conflict. */
+	int (*db_yield) __P((void));	/* Yield function for threads. */
+
+	/* Logging. */
+	DB_LOG		*lg_info;	/* Return from log_open(). */
+	u_int32_t	 lg_max;	/* Maximum file size. */
+
+	/* Memory pool. */
+	DB_MPOOL	*mp_info;	/* Return from memp_open(). */
+	size_t		 mp_mmapsize;	/* Maximum file size for mmap. */
+	size_t		 mp_size;	/* Bytes in the mpool cache. */
+
+	/* Transactions. */
+	DB_TXNMGR	*tx_info;	/* Return from txn_open(). */
+	unsigned int	 tx_max;	/* Maximum number of transactions. */
+	int (*tx_recover)		/* Dispatch function for recovery. */
+	    __P((DB_LOG *, DBT *, DB_LSN *, int, void *));
+
+	u_int32_t	 flags;		/* Flags. */
+};
+
+/*******************************************************
+ * Access methods.
+ *******************************************************/
+typedef enum {
+	DB_BTREE=1,			/* B+tree. */
+	DB_HASH,			/* Extended Linear Hashing. */
+	DB_RECNO,			/* Fixed and variable-length records. */
+	DB_UNKNOWN			/* Figure it out on open. */
+} DBTYPE;
+
+#define	DB_BTREEVERSION	6		/* Current btree version. */
+#define	DB_BTREEOLDVER	6		/* Oldest btree version supported. */
+#define	DB_BTREEMAGIC	0x053162
+
+#define	DB_HASHVERSION	5		/* Current hash version. */
+#define	DB_HASHOLDVER	4		/* Oldest hash version supported. */
+#define	DB_HASHMAGIC	0x061561
+
+#define	DB_LOGVERSION	2		/* Current log version. */
+#define	DB_LOGOLDVER	2		/* Oldest log version supported. */
+#define	DB_LOGMAGIC	0x040988
+
+struct __db_info {
+	int		 db_lorder;	/* Byte order. */
+	size_t		 db_cachesize;	/* Underlying cache size. */
+	size_t		 db_pagesize;	/* Underlying page size. */
+
+					/* Local heap allocation. */
+	void *(*db_malloc) __P((size_t));
+
+	/* Btree access method. */
+	int		 bt_maxkey;	/* Maximum keys per page. */
+	int		 bt_minkey;	/* Minimum keys per page. */
+	int (*bt_compare)		/* Comparison function. */
+	    __P((const DBT *, const DBT *));
+	size_t (*bt_prefix)		/* Prefix function. */
+	    __P((const DBT *, const DBT *));
+
+	/* Hash access method. */
+	unsigned int	 h_ffactor;	/* Fill factor. */
+	unsigned int	 h_nelem;	/* Number of elements. */
+	u_int32_t	(*h_hash)	/* Hash function. */
+	    __P((const void *, u_int32_t));
+
+	/* Recno access method. */
+	int		 re_pad;	/* Fixed-length padding byte. */
+	int		 re_delim;	/* Variable-length delimiting byte. */
+	u_int32_t	 re_len;	/* Length for fixed-length records. */
+	char		*re_source;	/* Source file name. */
+
+#define	DB_DELIMITER		0x0001	/* Recno: re_delim set. */
+#define	DB_DUP			0x0002	/* Btree, Hash: duplicate keys. */
+#define	DB_FIXEDLEN		0x0004	/* Recno: fixed-length records. */
+#define	DB_PAD			0x0008	/* Recno: re_pad set. */
+#define	DB_RECNUM		0x0010	/* Btree: record numbers. */
+#define	DB_RENUMBER		0x0020	/* Recno: renumber on insert/delete. */
+#define	DB_SNAPSHOT		0x0040	/* Recno: snapshot the input. */
+	u_int32_t	 flags;
+};
+
+/*
+ * DB access method and cursor operation codes.  These are implemented as
+ * bit fields for future flexibility, but currently only a single one may
+ * be specified to any function.
+ */
+#define	DB_AFTER	0x000001	/* c_put() */
+#define	DB_APPEND	0x000002	/* put() */
+#define	DB_BEFORE	0x000004	/* c_put() */
+#define	DB_CHECKPOINT	0x000008	/* log_put(), log_get() */
+#define	DB_CURRENT	0x000010	/* c_get(), c_put(), log_get() */
+#define	DB_FIRST	0x000020	/* c_get(), log_get() */
+#define	DB_FLUSH	0x000040	/* log_put() */
+#define	DB_GET_RECNO	0x000080	/* c_get() */
+#define	DB_KEYFIRST	0x000100	/* c_put() */
+#define	DB_KEYLAST	0x000200	/* c_put() */
+#define	DB_LAST		0x000400	/* c_get(), log_get() */
+#define	DB_NEXT		0x000800	/* c_get(), log_get() */
+#define	DB_NOOVERWRITE	0x001000	/* put() */
+#define	DB_NOSYNC	0x002000	/* close() */
+#define	DB_PREV		0x004000	/* c_get(), log_get() */
+#define	DB_RECORDCOUNT	0x008000	/* stat() */
+#define	DB_SET		0x010000	/* c_get(), log_get() */
+#define	DB_SET_RANGE	0x020000	/* c_get() */
+#define	DB_SET_RECNO	0x040000	/* get(), c_get() */
+
+/* DB (user visible) error return codes. */
+#define	DB_INCOMPLETE		( -1)	/* Sync didn't finish. */
+#define	DB_KEYEMPTY		( -2)	/* The key/data pair was deleted or
+					   was never created by the user. */
+#define	DB_KEYEXIST		( -3)	/* The key/data pair already exists. */
+#define	DB_LOCK_DEADLOCK	( -4)	/* Locker killed to resolve deadlock. */
+#define	DB_LOCK_NOTGRANTED	( -5)	/* Lock unavailable, no-wait set. */
+#define	DB_LOCK_NOTHELD		( -6)	/* Lock not held by locker. */
+#define	DB_NOTFOUND		( -7)	/* Key/data pair not found (EOF). */
+
+/* DB (private) error return codes. */
+#define	DB_DELETED		( -8)	/* Recovery file marked deleted. */
+#define	DB_NEEDSPLIT		( -9)	/* Page needs to be split. */
+#define	DB_REGISTERED		(-10)	/* Entry was previously registered. */
+#define	DB_SWAPBYTES		(-11)	/* Database needs byte swapping. */
+
+struct __db_ilock {			/* Internal DB access method lock. */
+	db_pgno_t	pgno;		/* Page being locked. */
+					/* File id. */
+	u_int8_t	fileid[DB_FILE_ID_LEN];
+};
+
+/* DB access method description structure. */
+struct __db {
+	void	*mutex;			/* Synchronization for free threading */
+	DBTYPE	 type;			/* DB access method. */
+	DB_ENV	*dbenv;			/* DB_ENV structure. */
+	DB_ENV	*mp_dbenv;		/* DB_ENV for local mpool creation. */
+
+	DB	*master;		/* Original DB created by db_open. */
+	void	*internal;		/* Access method private. */
+
+	DB_MPOOL	*mp;		/* The access method's mpool. */
+	DB_MPOOLFILE	*mpf;		/* The access method's mpool file. */
+
+	/*
+	 * XXX
+	 * Explicit representations of structures in queue.h.
+	 *
+	 * TAILQ_HEAD(curs_queue, __dbc);
+	 */
+	struct {
+		struct __dbc *tqh_first;
+		struct __dbc **tqh_last;
+	} curs_queue;
+
+	/*
+	 * XXX
+	 * Explicit representations of structures in queue.h.
+	 *
+	 * LIST_HEAD(handleq, __db);
+	 * LIST_ENTRY(__db);
+	 */
+	struct {
+		struct __db *lh_first;
+	} handleq;			/* List of handles for this DB. */
+	struct {
+		struct __db *le_next;
+		struct __db **le_prev;
+	} links;			/* Links for the handle list. */
+
+	u_int32_t log_fileid;		/* Logging file id. */
+
+	DB_TXN	 *txn;			/* Current transaction. */
+	u_int32_t locker;		/* Default process' locker id. */
+	DBT	  lock_dbt;		/* DBT referencing lock. */
+	struct __db_ilock lock;		/* Lock. */
+
+	size_t	  pgsize;		/* Logical page size of file. */
+
+					/* Local heap allocation. */
+	void *(*db_malloc) __P((size_t));
+
+					/* Functions. */
+	int (*close)	__P((DB *, int));
+	int (*cursor)	__P((DB *, DB_TXN *, DBC **));
+	int (*del)	__P((DB *, DB_TXN *, DBT *, int));
+	int (*fd)	__P((DB *, int *));
+	int (*get)	__P((DB *, DB_TXN *, DBT *, DBT *, int));
+	int (*put)	__P((DB *, DB_TXN *, DBT *, DBT *, int));
+	int (*stat)	__P((DB *, void *, void *(*)(size_t), int));
+	int (*sync)	__P((DB *, int));
+
+#define	DB_AM_DUP	0x000001	/* DB_DUP (internal). */
+#define	DB_AM_INMEM	0x000002	/* In-memory; no sync on close. */
+#define	DB_AM_LOCKING	0x000004	/* Perform locking. */
+#define	DB_AM_LOGGING	0x000008	/* Perform logging. */
+#define	DB_AM_MLOCAL	0x000010	/* Database memory pool is local. */
+#define	DB_AM_PGDEF	0x000020	/* Page size was defaulted. */
+#define	DB_AM_RDONLY	0x000040	/* Database is readonly. */
+#define	DB_AM_RECOVER	0x000080	/* In recovery (do not log or lock). */
+#define	DB_AM_SWAP	0x000100	/* Pages need to be byte-swapped. */
+#define	DB_AM_THREAD	0x000200	/* DB is multi-threaded. */
+#define	DB_BT_RECNUM	0x000400	/* DB_RECNUM (internal) */
+#define	DB_HS_DIRTYMETA 0x000800	/* Hash: Metadata page modified. */
+#define	DB_RE_DELIMITER	0x001000	/* DB_DELIMITER (internal). */
+#define	DB_RE_FIXEDLEN	0x002000	/* DB_FIXEDLEN (internal). */
+#define	DB_RE_PAD	0x004000	/* DB_PAD (internal). */
+#define	DB_RE_RENUMBER	0x008000	/* DB_RENUMBER (internal). */
+#define	DB_RE_SNAPSHOT	0x010000	/* DB_SNAPSHOT (internal). */
+
+	u_int32_t flags;
+};
+
+/* Cursor description structure. */
+struct __dbc {
+	DB *dbp;			/* Related DB access method. */
+	DB_TXN	 *txn;			/* Associated transaction. */
+
+	/*
+	 * XXX
+	 * Explicit representations of structures in queue.h.
+	 *
+	 * TAILQ_ENTRY(__dbc);
+	 */
+	struct {
+		struct __dbc *tqe_next;
+		struct __dbc **tqe_prev;
+	} links;
+
+	void	 *internal;		/* Access method private. */
+
+	int (*c_close)	__P((DBC *));
+	int (*c_del)	__P((DBC *, int));
+	int (*c_get)	__P((DBC *, DBT *, DBT *, int));
+	int (*c_put)	__P((DBC *, DBT *, DBT *, int));
+};
+
+/* Btree/recno statistics structure. */
+struct __db_bt_stat {
+	u_int32_t bt_flags;		/* Open flags. */
+	u_int32_t bt_maxkey;		/* Maxkey value. */
+	u_int32_t bt_minkey;		/* Minkey value. */
+	u_int32_t bt_re_len;		/* Fixed-length record length. */
+	u_int32_t bt_re_pad;		/* Fixed-length record pad. */
+	u_int32_t bt_pagesize;		/* Page size. */
+	u_int32_t bt_levels;		/* Tree levels. */
+	u_int32_t bt_nrecs;		/* Number of records. */
+	u_int32_t bt_int_pg;		/* Internal pages. */
+	u_int32_t bt_leaf_pg;		/* Leaf pages. */
+	u_int32_t bt_dup_pg;		/* Duplicate pages. */
+	u_int32_t bt_over_pg;		/* Overflow pages. */
+	u_int32_t bt_free;		/* Pages on the free list. */
+	u_int32_t bt_freed;		/* Pages freed for reuse. */
+	u_int32_t bt_int_pgfree;	/* Bytes free in internal pages. */
+	u_int32_t bt_leaf_pgfree;	/* Bytes free in leaf pages. */
+	u_int32_t bt_dup_pgfree;	/* Bytes free in duplicate pages. */
+	u_int32_t bt_over_pgfree;	/* Bytes free in overflow pages. */
+	u_int32_t bt_pfxsaved;		/* Bytes saved by prefix compression. */
+	u_int32_t bt_split;		/* Total number of splits. */
+	u_int32_t bt_rootsplit;		/* Root page splits. */
+	u_int32_t bt_fastsplit;		/* Fast splits. */
+	u_int32_t bt_added;		/* Items added. */
+	u_int32_t bt_deleted;		/* Items deleted. */
+	u_int32_t bt_get;		/* Items retrieved. */
+	u_int32_t bt_cache_hit;		/* Hits in fast-insert code. */
+	u_int32_t bt_cache_miss;	/* Misses in fast-insert code. */
+};
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+int   db_appinit __P((const char *, char * const *, DB_ENV *, int));
+int   db_appexit __P((DB_ENV *));
+int   db_open __P((const char *, DBTYPE, int, int, DB_ENV *, DB_INFO *, DB **));
+char *db_version __P((int *, int *, int *));
+#if defined(__cplusplus)
+};
+#endif
+
+/*******************************************************
+ * Locking
+ *******************************************************/
+#define	DB_LOCKVERSION	1
+#define	DB_LOCKMAGIC	0x090193
+
+/* Flag values for lock_vec(). */
+#define	DB_LOCK_NOWAIT		0x01	/* Don't wait on unavailable lock. */
+
+/* Flag values for lock_detect(). */
+#define	DB_LOCK_CONFLICT	0x01	/* Run on any conflict. */
+
+/* Request types. */
+typedef enum {
+	DB_LOCK_DUMP,			/* Display held locks. */
+	DB_LOCK_GET,			/* Get the lock. */
+	DB_LOCK_PUT,			/* Release the lock. */