Update.cvs/libc-ud-971111

1997-11-11 21:30  Ulrich Drepper  <drepper@cygnus.com>

	* include/sys/stat.h: Define stat, fstat, lstat and *64 variants
	as macros so the the library compiles correctly even without
	optimization.
	* io/fstat.c: Undef fstat.
	* io/fstat64.c: Undef fstat64
	* io/lstat.c: Undef lstat.
	* io/lstat64.c: Undef lstat64
	* io/stat.c: Undef stat.
	* io/stat64.c: Undef stat64
	* io/fts.c: Include <include/sys/stat.h> to get macro definitions.
	* io/ftw.c: Likewise.
	* io/getdirname.c: Likewise.

	* Makefile (install): Run test-installation.pl if possible.

	* db2/Makefile: Update from db-2.3.12.
	* db2/db.h: Likewise.
	* db2/db_int.h: Likewise.
	* db2/btree/bt_cursor.c: Likewise.
	* db2/btree/bt_delete.c: Likewise.
	* db2/btree/bt_open.c: Likewise.
	* db2/btree/bt_put.c: Likewise.
	* db2/btree/bt_rec.c: Likewise.
	* db2/btree/bt_recno.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/btree/btree_auto.c: Likewise.
	* db2/btree/bt_cursor.c: Likewise.
	* db2/btree/bt_delete.c: Likewise.
	* db2/btree/bt_open.c: Likewise.
	* db2/btree/bt_put.c: Likewise.
	* db2/btree/bt_rec.c: Likewise.
	* db2/btree/bt_recno.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/btree/btree_auto.c: Likewise.
	* db2/common/db_appinit.c: Likewise.
	* db2/common/db_apprec.c: Likewise.
	* db2/common/db_byteorder.c: Likewise.
	* db2/common/db_region.c: Likewise.
	* db2/db/db.c: Likewise
	* db2/db/db.src: Likewise
	* db2/db/db_auto.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/db185/db185.c: Likewise.
	* db2/hash/hash.c: Likewise.
	* db2/hash/hash.src: Likewise.
	* db2/hash/hash_auto.c: Likewise.
	* db2/hash/hash_dup.c: Likewise.
	* db2/hash/hash_page.c: Likewise.
	* db2/hash/hash_rec.c: Likewise.
	* db2/include/btree_auto.h: Likewise.
	* db2/include/btree_ext.h: Likewise.
	* db2/include/clib_ext.h: Likewise.
	* db2/include/common_ext.h: Likewise.
	* db2/include/db.h.src: Likewise.
	* db2/include/db_am.h: Likewise.
	* db2/include/db_auto.h: Likewise.
	* db2/include/db_cxx.h: Likewise.
	* db2/include/db_ext.h: Likewise.
	* db2/include/db_int.h.src: Likewise.
	* db2/include/hash.h: Likewise.
	* db2/include/hash_auto.h: Likewise.
	* db2/include/hash_ext.h: Likewise.
	* db2/include/lock.h: Likewise.
	* db2/include/lock_ext.h: Likewise.
	* db2/include/log.h: Likewise.
	* db2/include/log_ext.h: Likewise.
	* db2/include/mp.h: Likewise.
	* db2/include/mp_ext.h: Likewise.
	* db2/include/mutex_ext.h: Likewise.
	* db2/include/os_ext.h: Likewise.
	* db2/include/os_func.h: Likewise.
	* db2/include/txn.h: Likewise.
	* db2/include/txn_ext.h: Likewise.
	* db2/lock/lock.c: Likewise.
	* db2/lock/lock_deadlock.c: Likewise.
	* db2/log/log.c: Likewise.
	* db2/log/log_archive.c: Likewise.
	* db2/log/log_auto.c: Likewise.
	* db2/log/log_findckp.c: Likewise.
	* db2/log/log_get.c: Likewise.
	* db2/log/log_put.c: Likewise.
	* db2/log/log_rec.c: Likewise.
	* db2/log/log_register.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_pr.c: Likewise.
	* db2/mp/mp_region.c: Likewise.
	* db2/mp/mp_sync.c: Likewise.
	* db2/mutex/mutex.c: Likewise.
	* db2/os/os_abs.c: Likewise.
	* db2/os/os_dir.c: Likewise.
	* db2/os/os_fid.c: Likewise.
	* db2/os/os_fsync.c: Likewise.
	* db2/os/os_func.c: Likewise.
	* db2/os/os_map.c: Likewise.
	* db2/os/os_oflags.c: Likewise.
	* db2/os/os_open.c: Likewise.
	* db2/os/os_rpath.c: Likewise.
	* db2/os/os_rw.c: Likewise.
	* db2/os/os_seek.c: Likewise.
	* db2/os/os_sleep.c: Likewise.
	* db2/os/os_stat.c: Likewise.
	* db2/os/os_unlink.c: Likewise.
	* db2/progs/db_deadlock/db_deadlock.c: Likewise.
	* db2/progs/db_dump/db_dump.c: Likewise.
	* db2/progs/db_load/db_load.c: Likewise.
	* db2/progs/db_recover/db_recover.c: Likewise.
	* db2/progs/db_stat/db_stat.c: Likewise.
	* db2/txn/txn.c: Likewise.
	* db2/txn/txn_auto.c: Likewise.
	* db2/txn/txn_rec.c: Likewise.
	* db2/os/db_os_abs.c: Removed.
	* db2/os/db_os_dir.c: Removed.
	* db2/os/db_os_fid.c: Removed.
	* db2/os/db_os_lseek.c: Removed.
	* db2/os/db_os_mmap.c: Removed.
	* db2/os/db_os_open.c: Removed.
	* db2/os/db_os_rw.c: Removed.
	* db2/os/db_os_sleep.c: Removed.
	* db2/os/db_os_stat.c: Removed.
	* db2/os/db_os_unlink.c: Removed.

	* libio/stdio.h (fopen): Add __restrict to parameters.

	* manual/process.texi (system): Describe behaviour for NULL argument.

	* stdio-common/printf-parse.h: Parse hh modifier.
	* stdio-common/vfprintf.c: Handle hh modifier.
	* stdio-common/vfscanf.c: Likewise.
	* manual/stdio.texi: Describe hh modifier for scanf/printf.

	* math/complex.h: Don't define _Imaginary_I, but instead _Complex_I.
	gcc does no yet know the `imaginary' keyword.

	* math/test-math.c: Add little test for know gcc bug.

	* math/tgmath.h: Make complex versions of log10() only available
	if __USE_GNU.

	* stdlib/test-canon.c: Fix typo.

	* sysdeps/generic/setenv.c: Avoid compilation warnings.
	Reported by Jim Meyering.

	* sysdeps/generic/bits/errno.h: EILSEQ is an ISO C error number.
	* sysdeps/mach/hurd/bits/errno.h: Likewise.
	* sysdeps/standalone/bits/errno.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/errno.h: Likewise.

	* sysdeps/i386/i586/memcpy.S: New file.
	* sysdeps/i386/i586/mempcpy.S: New file.

	* sysdeps/i386/i586/memset.S: Fix typo.

	* sysdeps/posix/getcwd.c: Define HAVE_MEMPCPY for _LIBC.  Add casts.

	* sysdeps/posix/system.c: Add comment to explain code.

	* sysdeps/wordsize-32/inttypes.h: Include <stddef.h> for wchar_t.
	Define PTRDIFF_{MIN,MAX}, SIG_ATOMIC_{MIN,MAX}, SIZE_MAX,
	WCHAR_{MIN,MAX}, WINT_{MIN,MAX}.
	Define wcstoimax, wcstoumax.
	* sysdeps/wordsize-64/inttypes.h: Likewise.

	* wcsmbs/wchar.h: Define WCHAR_{MIN,MAX} if not already defined.
	Declare __wcsto{l,ul,ll,ull}_internal only if not already done.

	* time/Makefile (routines): Add strfxtime.
	* time/strftime.c: Implement %F and %f format.
	* time/strfxtime.c: New file.
	* time/time.h: Define new types and symbols from ISO C 9X.

	* time/mktime.c: Little comment correction.

1997-11-10  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/libm-ieee754/s_sincosl.c: Fix typo.

	* sysdeps/libm-ieee754/s_tanl.c: Fix typo.

	* sysdeps/libm-ieee754/s_floorl.c: Correct typos.

	* sysdeps/libm-ieee754/e_remainderl.c: Replace
	EXTRACT_LDOUBLE_WORDS by GET_LDOUBLE_WORDS.

	* sysdeps/libm-ieee754/e_atan2l.c: Replace EXTRACT_LDOUBLE_WORDS
	by GET_LDOUBLE_WORDS.

	* sysdeps/libm-ieee754/s_scalbnl.c: Replace ";" by "," for correct
	variable declaration.
	* sysdeps/libm-ieee754/s_scalblnl.c: Likewise.

	* sysdeps/libm-ieee754/s_lrint.c (__lrint): Correct function.

	* math/libm-test.c (sqrt_test): Add test for sqrt (0.25).
	(asin_test): Add more test.

1997-11-10 23:34  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/e_asin.c: Add braces to make code clearer
	and to not confuse the poor compiler.
	* sysdeps/libm-ieee754/e_asinf.c: Likewise.
	Reported by vertex@cagent.com.

1997-11-09  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-lookup.c (do_lookup): Don't accept the base version if we
	require a specific one.

	* libio/oldfreopen.c: Bind old symbols to version GLIBC_2.0.
	* libio/oldiofopen.c: Likewise.
	* libio/oldstdfiles.c: Likewise.
	* libc.map: Export them.

1997-11-10 07:40  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* stdlib/exit.c (exit): Handle recursive calls to exit ().

1997-11-09  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/s_llrint.c: Fixed to take double argument
	instead of long double.
	* sysdeps/m68k/fpu/s_llrintf.c: New file.
	* sysdeps/m68k/fpu/s_llrintl.c: New file.

	* sysdeps/libm-ieee754/s_llrint.c: Make compilable and fix
	overflow condition.
	* sysdeps/libm-ieee754/s_llrintf.c: Fix overflow condition.
	* sysdeps/libm-ieee754/s_llrintl.c: Likewise.
	* sysdeps/libm-ieee754/s_llround.c: Likewise.
	* sysdeps/libm-ieee754/s_llroundf.c: Likewise.
	* sysdeps/libm-ieee754/s_llroundl.c: Likewise.
	* sysdeps/libm-ieee754/s_lrint.c: Likewise.
	* sysdeps/libm-ieee754/s_lrintf.c: Likewise.
	* sysdeps/libm-ieee754/s_lrintl.c: Likewise.
	* sysdeps/libm-ieee754/s_lround.c: Likewise.
	* sysdeps/libm-ieee754/s_lroundf.c: Likewise.
	* sysdeps/libm-ieee754/s_lroundl.c: Likewise.

	* math/libm-test.c: Test all three variants of lrint and llrint.
	Fix typos in lround and llround tests.  Add tests for boundary
	cases for lrint and llround.

1997-11-08  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/arith.texi: Misc doc fixes.
	* manual/ctype.texi: Likewise.
	* manual/pattern.texi: Likewise.
	* manual/terminal.texi: Likewise.

1997-11-08  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/xstatconv.c: Use struct assignment
	instead of memcpy to let the compiler use whatever it regards as
	optimal.
	* sysdeps/unix/sysv/linux/alpha/xstatconv.c: Likewise.

1997-11-08  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/Makefile (sysdep_headers)
	[$(subdir)=misc]: Add sys/prctl.h.
	* sysdeps/unix/sysv/linux/Dist: Distribute it.

1997-11-08  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* io/ftwtest-sh: Don't use the unknown which command, instead try
	pwd as /bin/pwd and /usr/bin/pwd.

1997-11-08  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/maint.texi (Tools for Installation): Don't recommend
	broken version 3.76.1 of make.
	(Porting): Fix wording.

1997-11-06 06:13  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* config.make.in (build-pic-default): New, defined with
	pic_default.

	* configure.in (pic_default): New, set to yes if PIC is
	default.

	* Makeconfig (CPPFLAGS-.o, CPPFLAGS-.op, CPPFLAGS-.og,
	CPPFLAGS-.ob): Add -DPIC if $(build-pic-default) is yes.

1997-11-09 18:15  Ulrich Drepper  <drepper@cygnus.com>

	* Makerules (libc.so): Fix typo.

	* csu/Makefile (CFLAGS-initfini.s): Correctly fix moving function
	definition.  Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>.

	* stdlib/strtod.c: Handle numbers like 0.0e10000 correctly which
	produce ±0.0.  Reported by Joe Keane <jgk@jgk.org>.

	* sysdeps/libm-ieee754/s_ceill.c: Fix typos.
	* sysdeps/libm-ieee754/s_llrint.c: Correct code, it never worked.

1997-11-06 07:00  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* sysdeps/unix/sysv/i386/i686/time.S: Removed.

1997-11-08 14:07  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/libnsl.map: Add __do_niscall2 for nis_cachemgr.

	* nis/nis_call.c: Set UDP resend timeout correct.

	* nis/nss_compat/compat-grp.c: Rewritten to make it faster.
	* nis/nss_compat/compat-pwd.c: Likewise.
	* nis/nss_compat/compat-spwd.c: Likewise.
	* nis/ypclnt.c: Fix UDP resend timeout, fix yp_bind/do_ypcall
	interaction.

	* inet/protocols/routed.h: Include sys/socket.h.
	* inet/protocols/talkd.h: Likewise.
	* inet/protocols/timed.h: Include rpc/types.h.
	* sunrpc/rpc/pmap_clnt.h: Include rpc/clnt.h.

1997-11-06 01:39  Ulrich Drepper  <drepper@cygnus.com>

	* Makerules (libc.so): Add missing closing brace.

1997-11-05  Brendan Kehoe  <brendan@lisa.cygnus.com>

	* libio.h (__P): Name its arg `p' instead of `params'.
	This was added solely to work around problems with
	the definition of __P in the Solaris math.h header.

18 files changed, 549 insertions, 519 deletions

diff --git a/db2/os/db_os_abs.c b/db2/os/db_os_abs.c
deleted file mode 100644
index 8795205..0000000
--- a/db2/os/db_os_abs.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_os_abs.c	10.5 (Sleepycat) 7/5/97";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <string.h>
-#endif
-
-#include "db_int.h"
-#include "os_ext.h"
-
-/*
- * __db_abspath --
- *	Return if a path is an absolute path.
- *
- * PUBLIC: int __db_abspath __P((const char *));
- */
-int
-__db_abspath(path)
-	const char *path;
-{
-#ifdef _WIN32
-	/*
-	 * !!!
-	 * Check for drive specifications, e.g., "C:".  In addition, the path
-	 * separator used by the win32 DB (PATH_SEPARATOR) is \; look for both
-	 * / and \ since these are user-input paths.
-	 */
-	if (isalpha(path[0]) && path[1] == ':')
-		path += 2;
-	return (path[0] == '/' || path[0] == '\\');
-#else
-#ifdef macintosh
-	/*
-	 * !!!
-	 * Absolute pathnames always start with a volume name, which must be
-	 * followed by a colon, thus they are of the form:
-	 *	volume: or volume:dir1:dir2:file
-	 *
-	 * Relative pathnames are either a single name without colons or a
-	 * path starting with a colon, thus of the form:
-	 *	file or :file or :dir1:dir2:file
-	 */
-	return (strchr(path, ':') != NULL && path[0] != ':');
-#else
-	return (path[0] == '/');
-#endif
-#endif
-}
-
-/*
- * __db_rpath --
- *	Return the last path separator in the path or NULL if none found.
- *
- * PUBLIC: char *__db_rpath __P((const char *));
- */
-char *
-__db_rpath(path)
-	const char *path;
-{
-	const char *s, *last;
-
-	last = NULL;
-	if (PATH_SEPARATOR[1] != '\0') {
-		for (s = path; s[0] != '\0'; ++s)
-			if (strchr(PATH_SEPARATOR, s[0]) != NULL)
-				last = s;
-	} else
-		for (s = path; s[0] != '\0'; ++s)
-			if (s[0] == PATH_SEPARATOR[0])
-				last = s;
-	return ((char *)last);
-}
diff --git a/db2/os/db_os_dir.c b/db2/os/db_os_dir.c
deleted file mode 100644
index 1206e3f..0000000
--- a/db2/os/db_os_dir.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_os_dir.c	10.10 (Sleepycat) 9/17/97";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#if HAVE_DIRENT_H
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# define NAMLEN(dirent) (dirent)->d_namlen
-# if HAVE_SYS_NDIR_H
-#  include <sys/ndir.h>
-# endif
-# if HAVE_SYS_DIR_H
-#  include <sys/dir.h>
-# endif
-# if HAVE_NDIR_H
-#  include <ndir.h>
-# endif
-#endif
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#endif
-
-#include "db_int.h"
-#include "os_ext.h"
-#include "common_ext.h"
-
-/*
- * __db_dir --
- *	Return a list of the files in a directory.
- *
- * PUBLIC: int __db_dir __P((DB_ENV *, const char *, char ***, int *));
- */
-int
-__db_dir(dbenv, dir, namesp, cntp)
-	DB_ENV *dbenv;
-	const char *dir;
-	char ***namesp;
-	int *cntp;
-{
-	int arraysz, cnt;
-	char **names;
-#ifdef _WIN32
-	struct _finddata_t fdata;
-	long dirhandle;
-	int finished;
-	char filespec[MAX_PATH];
-
-	(void)snprintf(filespec, sizeof(filespec), "%s/*", dir);
-	if ((dirhandle = _findfirst(filespec, &fdata)) == -1) {
-		__db_err(dbenv, "%s: %s", filespec, strerror(errno));
-		return (errno);
-	}
-
-	names = NULL;
-	finished = 0;
-	for (arraysz = cnt = 0; finished != 1; ++cnt) {
-		if (cnt >= arraysz) {
-			arraysz += 100;
-			names = (char **)(names == NULL ?
-			    malloc(arraysz * sizeof(names[0])) :
-			    realloc(names, arraysz * sizeof(names[0])));
-			if (names == NULL)
-				goto nomem;
-		}
-		if ((names[cnt] = (char *)strdup(fdata.name)) == NULL)
-			goto nomem;
-		if (_findnext(dirhandle,&fdata) != 0)
-			finished = 1;
-	}
-	_findclose(dirhandle);
-#else /* !_WIN32 */
-	struct dirent *dp;
-	DIR *dirp;
-
-	if ((dirp = opendir(dir)) == NULL) {
-		__db_err(dbenv, "%s: %s", dir, strerror(errno));
-		return (errno);
-	}
-	names = NULL;
-	for (arraysz = cnt = 0; (dp = readdir(dirp)) != NULL; ++cnt) {
-		if (cnt >= arraysz) {
-			arraysz += 100;
-			names = (char **)(names == NULL ?
-			    malloc(arraysz * sizeof(names[0])) :
-			    realloc(names, arraysz * sizeof(names[0])));
-			if (names == NULL)
-				goto nomem;
-		}
-		if ((names[cnt] = (char *)strdup(dp->d_name)) == NULL)
-			goto nomem;
-	}
-	(void)closedir(dirp);
-#endif /* !_WIN32 */
-
-	*namesp = names;
-	*cntp = cnt;
-	return (0);
-
-nomem:	if (names != NULL)
-		__db_dirf(dbenv, names, cnt);
-	__db_err(dbenv, "%s", strerror(ENOMEM));
-	return (ENOMEM);
-}
-
-/*
- * __db_dirf --
- *	Free the list of files.
- *
- * PUBLIC: void __db_dirf __P((DB_ENV *, char **, int));
- */
-void
-__db_dirf(dbenv, names, cnt)
-	DB_ENV *dbenv;
-	char **names;
-	int cnt;
-{
-	dbenv = dbenv;			/* XXX: Shut the compiler up. */
-	while (cnt > 0)
-		free(names[--cnt]);
-	free (names);
-}
diff --git a/db2/os/db_os_lseek.c b/db2/os/db_os_lseek.c
deleted file mode 100644
index cecf0e1..0000000
--- a/db2/os/db_os_lseek.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_os_lseek.c	10.3 (Sleepycat) 6/28/97";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <unistd.h>
-#endif
-
-#include "db_int.h"
-#include "os_ext.h"
-
-/*
- * __db_lseek --
- *	Seek to a page/byte offset in the file.
- *
- * PUBLIC: int __db_lseek __P((int, size_t, db_pgno_t, u_long, int));
- */
-int
-__db_lseek(fd, pgsize, pageno, relative, whence)
-	int fd;
-	size_t pgsize;
-	db_pgno_t pageno;
-	u_long relative;
-	int whence;
-{
-	/* 64-bit offsets are done differently by different vendors. */
-#undef	__LSEEK_SET
-#ifdef	HAVE_LLSEEK
-#define	__LSEEK_SET
-	offset_t offset;			/* Solaris. */
-
-	offset = pgsize * pageno + relative;
-	return (llseek(fd, offset, whence) == -1 ? errno : 0);
-#endif
-#ifdef	HAVE_LSEEKI
-#define	__LSEEK_SET
-	__int64 offset;				/* WNT */
-
-	offset = pgsize * pageno + relative;
-	return (_lseeki64(fd, offset, whence) == -1 ? errno : 0);
-#endif
-#ifndef	__LSEEK_SET
-	off_t offset;				/* Default. */
-
-	offset = pgsize * pageno + relative;
-	return (lseek(fd, offset, whence) == -1 ? errno : 0);
-#endif
-}
diff --git a/db2/os/db_os_mmap.c b/db2/os/db_os_mmap.c
deleted file mode 100644
index 0cd8fad..0000000
--- a/db2/os/db_os_mmap.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997
- *	Sleepycat Software.  All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_os_mmap.c	10.4 (Sleepycat) 6/28/97";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-#include <sys/mman.h>
-
-#include <errno.h>
-#endif
-
-#include "db_int.h"
-#include "os_ext.h"
-
-/*
- * __db_mmap --
- *	Map in some shared memory backed by a file descriptor.
- *
- * PUBLIC: int __db_mmap __P((int, size_t, int, int, void *));
- */
-int
-__db_mmap(fd, len, is_private, rdonly, addr)
-	int fd, is_private, rdonly;
-	size_t len;
-	void *addr;
-{
-#ifdef _WIN32
-	/* We have not implemented copy-on-write here */
-	void * pMemory = 0;
-	HANDLE hFile = (HANDLE)_get_osfhandle(fd);
-	HANDLE hMemory = CreateFileMapping(
-	      hFile,
-	      0,
-	      (rdonly ? PAGE_READONLY : PAGE_READWRITE),
-	      0,
-	      len, /* This code fails if the library is ever compiled on a 64-bit machine */
-	      0
-	      );
-	if (NULL == hMemory)
-	{
-	      return errno;
-	}
-	pMemory = MapViewOfFile(
-	      hMemory,
-	      (rdonly ? FILE_MAP_READ : FILE_MAP_ALL_ACCESS),
-	      0,
-	      0,
-	      len
-	      );
-	CloseHandle(hMemory);
-	*(void **)addr = pMemory;
-	return 0;
-
-#else /* !_WIN32 */
-
-	void *p;
-	int flags, prot;
-
-	flags = is_private ? MAP_PRIVATE : MAP_SHARED;
-#ifdef MAP_HASSEMAPHORE
-	flags += MAP_HASSEMAPHORE;
-#endif
-	prot = PROT_READ | (rdonly ? 0 : PROT_WRITE);
-
-#ifndef MAP_FAILED			/* XXX: Mmap(2) failure return. */
-#define	MAP_FAILED	-1
-#endif
-	if ((p =
-	    mmap(NULL, len, prot, flags, fd, (off_t)0)) == (void *)MAP_FAILED)
-		return (errno);
-
-	*(void **)addr = p;
-	return (0);
-#endif /* _WIN32 */
-}
-
-/*
- * __db_unmap --
- *	Release the specified shared memory.
- *
- * PUBLIC: int __db_munmap __P((void *, size_t));
- */
-int
-__db_munmap(addr, len)
-	void *addr;
-	size_t len;
-{
-	/*
-	 * !!!
-	 * The argument len is always the same length as was mapped.
-	 */
-#ifdef _WIN32
-	return (!UnmapViewOfFile(addr) ? errno : 0);
-#else
-	return (munmap(addr, len) ? errno : 0);
-#endif
-}
diff --git a/db2/os/os_abs.c b/db2/os/os_abs.c
new file mode 100644
index 0000000..872e46d
--- /dev/null
+++ b/db2/os/os_abs.c
@@ -0,0 +1,31 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_abs.c	10.7 (Sleepycat) 10/24/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * __db_abspath --
+ *	Return if a path is an absolute path.
+ *
+ * PUBLIC: int __db_abspath __P((const char *));
+ */
+int
+__db_abspath(path)
+	const char *path;
+{
+	return (path[0] == '/');
+}
diff --git a/db2/os/os_dir.c b/db2/os/os_dir.c
new file mode 100644
index 0000000..10fb8b6
--- /dev/null
+++ b/db2/os/os_dir.c
@@ -0,0 +1,100 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_dir.c	10.13 (Sleepycat) 10/28/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#if HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# if HAVE_SYS_NDIR_H
+#  include <sys/ndir.h>
+# endif
+# if HAVE_SYS_DIR_H
+#  include <sys/dir.h>
+# endif
+# if HAVE_NDIR_H
+#  include <ndir.h>
+# endif
+#endif
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+#include "common_ext.h"
+
+/*
+ * __os_dirlist --
+ *	Return a list of the files in a directory.
+ *
+ * PUBLIC: int __os_dirlist __P((const char *, char ***, int *));
+ */
+int
+__os_dirlist(dir, namesp, cntp)
+	const char *dir;
+	char ***namesp;
+	int *cntp;
+{
+	struct dirent *dp;
+	DIR *dirp;
+	int arraysz, cnt;
+	char **names;
+
+	if ((dirp = opendir(dir)) == NULL)
+		return (errno);
+	names = NULL;
+	for (arraysz = cnt = 0; (dp = readdir(dirp)) != NULL; ++cnt) {
+		if (cnt >= arraysz) {
+			arraysz += 100;
+			names = (char **)(names == NULL ?
+			    __db_malloc(arraysz * sizeof(names[0])) :
+			    __db_realloc(names, arraysz * sizeof(names[0])));
+			if (names == NULL)
+				goto nomem;
+		}
+		if ((names[cnt] = (char *)__db_strdup(dp->d_name)) == NULL)
+			goto nomem;
+	}
+	(void)closedir(dirp);
+
+	*namesp = names;
+	*cntp = cnt;
+	return (0);
+
+nomem:	if (names != NULL)
+		__os_dirfree(names, cnt);
+	return (ENOMEM);
+}
+
+/*
+ * __os_dirfree --
+ *	Free the list of files.
+ *
+ * PUBLIC: void __os_dirfree __P((char **, int));
+ */
+void
+__os_dirfree(names, cnt)
+	char **names;
+	int cnt;
+{
+	while (cnt > 0)
+		__db_free(names[--cnt]);
+	__db_free(names);
+}
diff --git a/db2/os/db_os_fid.c b/db2/os/os_fid.c
index 960d580..6820b88 100644
--- a/db2/os/db_os_fid.c
+++ b/db2/os/os_fid.c
@@ -8,7 +8,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_os_fid.c	10.8 (Sleepycat) 8/27/97";
+static const char sccsid[] = "@(#)os_fid.c	10.9 (Sleepycat) 10/24/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -22,8 +22,6 @@ static const char sccsid[] = "@(#)db_os_fid.c	10.8 (Sleepycat) 8/27/97";
 #endif
 
 #include "db_int.h"
-#include "db_page.h"
-#include "os_ext.h"
 #include "common_ext.h"
 
 /*
@@ -39,58 +37,11 @@ __db_fileid(dbenv, fname, timestamp, fidp)
 	int timestamp;
 	u_int8_t *fidp;
 {
+	struct stat sb;
 	size_t i;
 	time_t now;
 	u_int8_t *p;
 
-#ifdef _WIN32
-	/*
-	 * The documentation for GetFileInformationByHandle() states that the
-	 * inode-type numbers are not constant between processes.  Actually,
-	 * they are, they're the NTFS MFT indexes.  So, this works on NTFS,
-	 * but perhaps not on other platforms, and perhaps not over a network.
-	 * Can't think of a better solution right now.
-	 */
-	int fd = 0;
-	HANDLE fh = 0;
-	BY_HANDLE_FILE_INFORMATION fi;
-	BOOL retval = FALSE;
-
-	/* Clear the buffer. */
-	memset(fidp, 0, DB_FILE_ID_LEN);
-
-	/* first we open the file, because we're not given a handle to it */
-	fd = open(fname,_O_RDONLY,_S_IREAD);
-	if (-1 == fd) {
-		/* If we can't open it, we're in trouble */
-		return (errno);
-	}
-
-	/* File open, get its info */
-	fh = (HANDLE)_get_osfhandle(fd);
-	if ((HANDLE)(-1) != fh) {
-		retval = GetFileInformationByHandle(fh,&fi);
-	}
-	close(fd);
-
-	/*
-	 * We want the three 32-bit words which tell us the volume ID and
-	 * the file ID.  We make a crude attempt to copy the bytes over to
-	 * the callers buffer.
-	 *
-	 * DBDB: really we should ensure that the bytes get packed the same
-	 * way on all compilers, platforms etc.
-	 */
-	if ( ((HANDLE)(-1) != fh) && (TRUE == retval) ) {
-		memcpy(fidp, &fi.nFileIndexLow, sizeof(u_int32_t));
-		fidp += sizeof(u_int32_t);
-		memcpy(fidp, &fi.nFileIndexHigh, sizeof(u_int32_t));
-		fidp += sizeof(u_int32_t);
-		memcpy(fidp, &fi.dwVolumeSerialNumber, sizeof(u_int32_t));
-	}
-#else
-	struct stat sb;
-
 	/* Clear the buffer. */
 	memset(fidp, 0, DB_FILE_ID_LEN);
 
@@ -115,7 +66,7 @@ __db_fileid(dbenv, fname, timestamp, fidp)
 	for (p = (u_int8_t *)&sb.st_dev +
 	    sizeof(sb.st_dev), i = 0; i < sizeof(sb.st_dev); ++i)
 		*fidp++ = *--p;
-#endif
+
 	if (timestamp) {
 		(void)time(&now);
 		for (p = (u_int8_t *)&now +
diff --git a/db2/os/os_fsync.c b/db2/os/os_fsync.c
new file mode 100644
index 0000000..7b001ce
--- /dev/null
+++ b/db2/os/os_fsync.c
@@ -0,0 +1,34 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_fsync.c	10.3 (Sleepycat) 10/25/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <errno.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * __db_fsync --
+ *	Flush a file descriptor.
+ *
+ * PUBLIC: int __db_fsync __P((int));
+ */
+int
+__db_fsync(fd)
+	int fd;
+{
+	return (__os_fsync(fd) ? errno : 0);
+}
diff --git a/db2/os/os_func.c b/db2/os/os_func.c
new file mode 100644
index 0000000..afd40f4
--- /dev/null
+++ b/db2/os/os_func.c
@@ -0,0 +1,153 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_func.c	10.4 (Sleepycat) 10/28/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <errno.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * XXX
+ * We provide our own extern declarations so that we don't collide with
+ * systems that get them wrong, e.g., SunOS.
+ */
+#ifdef _WIN32
+#define fsync		_commit
+#define imported	__declspec(dllimport)
+#else
+#define imported
+#endif
+
+imported extern void    *calloc __P((size_t, size_t));
+imported extern int	 close __P((int));
+imported extern void	 free __P((void *));
+imported extern int	 fsync __P((int));
+imported extern void    *malloc __P((size_t));
+imported extern int	 open __P((const char *, int, ...));
+imported extern ssize_t	 read __P((int, void *, size_t));
+imported extern char	*strdup __P((const char *));
+imported extern void    *realloc __P((void *, size_t));
+imported extern int	 unlink __P((const char *));
+imported extern ssize_t	 write __P((int, const void *, size_t));
+
+/*
+ * __db_jump --
+ *	This list of interfaces that applications can replace.  In some
+ *	cases, the user is permitted to replace the standard ANSI C or
+ *	POSIX 1003.1 call, e.g., calloc or read.  In others, we provide
+ *	a local interface to the functionality, e.g., __os_map.
+ */
+struct __db_jumptab __db_jump = {
+	calloc,				/* DB_FUNC_CALLOC */
+	close,				/* DB_FUNC_CLOSE */
+	__os_dirfree,			/* DB_FUNC_DIRFREE */
+	__os_dirlist,			/* DB_FUNC_DIRLIST */
+	__os_exists,			/* DB_FUNC_EXISTS */
+	free,				/* DB_FUNC_FREE */
+	fsync,				/* DB_FUNC_FSYNC */
+	__os_ioinfo,			/* DB_FUNC_IOINFO */
+	malloc,				/* DB_FUNC_MALLOC */
+	__os_map,			/* DB_FUNC_MAP */
+	open,				/* DB_FUNC_OPEN */
+	read,				/* DB_FUNC_READ */
+	realloc,			/* DB_FUNC_REALLOC */
+	__os_seek,			/* DB_FUNC_SEEK */
+	__os_sleep,			/* DB_FUNC_SLEEP */
+	strdup,				/* DB_FUNC_STRDUP */
+	unlink,				/* DB_FUNC_UNLINK */
+	__os_unmap,			/* DB_FUNC_UNMAP */
+	write,				/* DB_FUNC_WRITE */
+	NULL				/* DB_FUNC_YIELD */
+};
+
+/*
+ * db_jump_set --
+ *	Replace an interface.
+ */
+int
+db_jump_set(func, which)
+	void *func;
+	int which;
+{
+	switch (which) {
+	case DB_FUNC_CALLOC:
+		__db_calloc = (void *(*) __P((size_t, size_t)))func;
+		break;
+	case DB_FUNC_CLOSE:
+		__os_close = (int (*) __P((int)))func;
+		break;
+	case DB_FUNC_DIRFREE:
+		__db_dirfree = (void (*) __P((char **, int)))func;
+		break;
+	case DB_FUNC_DIRLIST:
+		__db_dirlist =
+		    (int (*) __P((const char *, char ***, int *)))func;
+		break;
+	case DB_FUNC_EXISTS:
+		__db_exists = (int (*) __P((const char *, int *)))func;
+		break;
+	case DB_FUNC_FREE:
+		__db_free = (void (*) __P((void *)))func;
+		break;
+	case DB_FUNC_FSYNC:
+		__os_fsync = (int (*) __P((int)))func;
+		break;
+	case DB_FUNC_IOINFO:
+		__db_ioinfo =
+		    (int (*) __P((const char *, int, off_t *, off_t *)))func;
+		break;
+	case DB_FUNC_MALLOC:
+		__db_malloc = (void *(*) __P((size_t)))func;
+		break;
+	case DB_FUNC_MAP:
+		__db_map = (int (*) __P((int, size_t, int, int, void **)))func;
+		break;
+	case DB_FUNC_OPEN:
+		__os_open = (int (*) __P((const char *, int, ...)))func;
+		break;
+	case DB_FUNC_READ:
+		__os_read = (ssize_t (*) __P((int, void *, size_t)))func;
+		break;
+	case DB_FUNC_REALLOC:
+		__db_realloc = (void *(*) __P((void *, size_t)))func;
+		break;
+	case DB_FUNC_SEEK:
+		__db_seek =
+		    (int (*) __P((int, size_t, db_pgno_t, u_long, int)))func;
+		break;
+	case DB_FUNC_SLEEP:
+		__db_sleep = (int (*) __P((u_long, u_long)))func;
+		break;
+	case DB_FUNC_STRDUP:
+		__db_strdup = (char *(*) __P((const char *)))func;
+		break;
+	case DB_FUNC_UNLINK:
+		__os_unlink = (int (*) __P((const char *)))func;
+		break;
+	case DB_FUNC_UNMAP:
+		__db_unmap = (int (*) __P((void *, size_t)))func;
+		break;
+	case DB_FUNC_WRITE:
+		__os_write = (ssize_t (*) __P((int, const void *, size_t)))func;
+		break;
+	case DB_FUNC_YIELD:
+		__db_yield = (int (*) __P((void)))func;
+		break;
+	default:
+		return (EINVAL);
+	}
+	return (0);
+}
diff --git a/db2/os/os_map.c b/db2/os/os_map.c
new file mode 100644
index 0000000..b155318
--- /dev/null
+++ b/db2/os/os_map.c
@@ -0,0 +1,71 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_map.c	10.7 (Sleepycat) 10/25/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#include <errno.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * __os_map --
+ *	Map in some shared memory backed by a file descriptor.
+ *
+ * PUBLIC: int __os_map __P((int, size_t, int, int, void **));
+ */
+int
+__os_map(fd, len, is_private, is_rdonly, addr)
+	int fd, is_private, is_rdonly;
+	size_t len;
+	void **addr;
+{
+	void *p;
+	int flags, prot;
+
+	flags = is_private ? MAP_PRIVATE : MAP_SHARED;
+#ifdef MAP_HASSEMAPHORE
+	flags |= MAP_HASSEMAPHORE;
+#endif
+	prot = PROT_READ | (is_rdonly ? 0 : PROT_WRITE);
+
+#ifndef MAP_FAILED			/* XXX: Mmap(2) failure return. */
+#define	MAP_FAILED	-1
+#endif
+	if ((p =
+	    mmap(NULL, len, prot, flags, fd, (off_t)0)) == (void *)MAP_FAILED)
+		return (errno);
+
+	*addr = p;
+	return (0);
+}
+
+/*
+ * __os_unmap --
+ *	Release the specified shared memory.
+ *
+ * PUBLIC: int __os_unmap __P((void *, size_t));
+ */
+int
+__os_unmap(addr, len)
+	void *addr;
+	size_t len;
+{
+	/*
+	 * !!!
+	 * The argument len is always the same length as was mapped.
+	 */
+	return (munmap(addr, len) ? errno : 0);
+}
diff --git a/db2/os/os_oflags.c b/db2/os/os_oflags.c
new file mode 100644
index 0000000..3656eef
--- /dev/null
+++ b/db2/os/os_oflags.c
@@ -0,0 +1,48 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_oflags.c	10.2 (Sleepycat) 10/24/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <fcntl.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * __db_oflags --
+ *	Convert open(2) flags to DB flags.
+ *
+ * PUBLIC: int __db_oflags __P((int));
+ */
+int
+__db_oflags(oflags)
+	int oflags;
+{
+	int dbflags;
+
+	/*
+	 * XXX
+	 * Convert POSIX 1003.1 open(2) flags to DB flags.  Not an exact
+	 * science as most POSIX implementations don't have a flag value
+	 * for O_RDONLY, it's simply the lack of a write flag.
+	 */
+	dbflags = 0;
+	if (oflags & O_CREAT)
+		dbflags |= DB_CREATE;
+	if (!(oflags & (O_RDWR | O_WRONLY)) || oflags & O_RDONLY)
+		dbflags |= DB_RDONLY;
+	if (oflags & O_TRUNC)
+		dbflags |= DB_TRUNCATE;
+	return (dbflags);
+}
diff --git a/db2/os/db_os_open.c b/db2/os/os_open.c
index 1d67ef9..05784e4 100644
--- a/db2/os/db_os_open.c
+++ b/db2/os/os_open.c
@@ -8,7 +8,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_os_open.c	10.14 (Sleepycat) 7/5/97";
+static const char sccsid[] = "@(#)os_open.c	10.19 (Sleepycat) 10/28/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -20,44 +20,15 @@ static const char sccsid[] = "@(#)db_os_open.c	10.14 (Sleepycat) 7/5/97";
 #endif
 
 #include "db_int.h"
-#include "os_ext.h"
 
 /*
- * __db_oflags --
- *	Convert open(2) flags to DB flags.
- *
- * PUBLIC: int __db_oflags __P((int));
- */
-int
-__db_oflags(oflags)
-	int oflags;
-{
-	int dbflags;
-
-	/*
-	 * XXX
-	 * Convert POSIX 1003.1 open(2) flags to DB flags.  Not an exact
-	 * science as most POSIX implementations don't have a flag value
-	 * for O_RDONLY, it's simply the lack of a write flag.
-	 */
-	dbflags = 0;
-	if (oflags & O_CREAT)
-		dbflags |= DB_CREATE;
-	if (!(oflags & (O_RDWR | O_WRONLY)) || oflags & O_RDONLY)
-		dbflags |= DB_RDONLY;
-	if (oflags & O_TRUNC)
-		dbflags |= DB_TRUNCATE;
-	return (dbflags);
-}
-
-/*
- * __db_fdopen --
+ * __db_open --
  *	Open a file descriptor.
  *
- * PUBLIC: int __db_fdopen __P((const char *, int, int, int, int *));
+ * PUBLIC: int __db_open __P((const char *, int, int, int, int *));
  */
 int
-__db_fdopen(name, arg_flags, ok_flags, mode, fdp)
+__db_open(name, arg_flags, ok_flags, mode, fdp)
 	const char *name;
 	int arg_flags, ok_flags, mode, *fdp;
 {
@@ -95,13 +66,13 @@ __db_fdopen(name, arg_flags, ok_flags, mode, fdp)
 		flags |= O_TRUNC;
 
 	/* Open the file. */
-	if ((fd = open(name, flags, mode)) == -1)
+	if ((fd = __os_open(name, flags, mode)) == -1)
 		return (errno);
 
 #ifndef _WIN32
 	/* Delete any temporary file; done for Win32 by _O_TEMPORARY. */
 	if (arg_flags & DB_TEMPORARY)
-		(void)unlink(name);
+		(void)__os_unlink(name);
 #endif
 
 #if !defined(_WIN32) && !defined(macintosh)
@@ -112,7 +83,7 @@ __db_fdopen(name, arg_flags, ok_flags, mode, fdp)
 	if (fcntl(fd, F_SETFD, 1) == -1) {
 		int ret = errno;
 
-		(void)__db_close(fd);
+		(void)__os_close(fd);
 		return (ret);
 	}
 #endif
@@ -121,19 +92,6 @@ __db_fdopen(name, arg_flags, ok_flags, mode, fdp)
 }
 
 /*
- * __db_fsync --
- *	Flush a file descriptor.
- *
- * PUBLIC: int __db_fsync __P((int));
- */
-int
-__db_fsync(fd)
-	int fd;
-{
-	return (fsync(fd) ? errno : 0);
-}
-
-/*
  * __db_close --
  *	Close a file descriptor.
  *
@@ -143,5 +101,5 @@ int
 __db_close(fd)
 	int fd;
 {
-	return (close(fd) ? errno : 0);
+	return (__os_close(fd) ? errno : 0);
 }
diff --git a/db2/os/os_rpath.c b/db2/os/os_rpath.c
new file mode 100644
index 0000000..44fd4ec
--- /dev/null
+++ b/db2/os/os_rpath.c
@@ -0,0 +1,42 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_rpath.c	10.2 (Sleepycat) 10/24/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <string.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * __db_rpath --
+ *	Return the last path separator in the path or NULL if none found.
+ *
+ * PUBLIC: char *__db_rpath __P((const char *));
+ */
+char *
+__db_rpath(path)
+	const char *path;
+{
+	const char *s, *last;
+
+	last = NULL;
+	if (PATH_SEPARATOR[1] != '\0') {
+		for (s = path; s[0] != '\0'; ++s)
+			if (strchr(PATH_SEPARATOR, s[0]) != NULL)
+				last = s;
+	} else
+		for (s = path; s[0] != '\0'; ++s)
+			if (s[0] == PATH_SEPARATOR[0])
+				last = s;
+	return ((char *)last);
+}
diff --git a/db2/os/db_os_rw.c b/db2/os/os_rw.c
index 5a6c219..48f7fdc 100644
--- a/db2/os/db_os_rw.c
+++ b/db2/os/os_rw.c
@@ -8,7 +8,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_os_rw.c	10.4 (Sleepycat) 6/28/97";
+static const char sccsid[] = "@(#)os_rw.c	10.6 (Sleepycat) 10/25/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -19,7 +19,6 @@ static const char sccsid[] = "@(#)db_os_rw.c	10.4 (Sleepycat) 6/28/97";
 #endif
 
 #include "db_int.h"
-#include "os_ext.h"
 
 /*
  * __db_read --
@@ -40,7 +39,7 @@ __db_read(fd, addr, len, nrp)
 
 	for (taddr = addr,
 	    offset = 0; offset < len; taddr += nr, offset += nr) {
-		if ((nr = read(fd, taddr, len - offset)) < 0)
+		if ((nr = __os_read(fd, taddr, len - offset)) < 0)
 			return (errno);
 		if (nr == 0)
 			break;
@@ -68,7 +67,7 @@ __db_write(fd, addr, len, nwp)
 
 	for (taddr = addr,
 	    offset = 0; offset < len; taddr += nw, offset += nw)
-		if ((nw = write(fd, taddr, len - offset)) < 0)
+		if ((nw = __os_write(fd, taddr, len - offset)) < 0)
 			return (errno);
 	*nwp = len;
 	return (0);
diff --git a/db2/os/os_seek.c b/db2/os/os_seek.c
new file mode 100644
index 0000000..e27044b
--- /dev/null
+++ b/db2/os/os_seek.c
@@ -0,0 +1,42 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)os_seek.c	10.6 (Sleepycat) 10/25/97";
+#endif /* not lint */
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <errno.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+
+/*
+ * __os_seek --
+ *	Seek to a page/byte offset in the file.
+ *
+ * PUBLIC: int __os_seek __P((int, size_t, db_pgno_t, u_long, int));
+ */
+int
+__os_seek(fd, pgsize, pageno, relative, whence)
+	int fd;
+	size_t pgsize;
+	db_pgno_t pageno;
+	u_long relative;
+	int whence;
+{
+	off_t offset;
+
+	offset = pgsize * pageno + relative;
+
+	return (lseek(fd, offset, whence) == -1 ? errno : 0);
+}
diff --git a/db2/os/db_os_sleep.c b/db2/os/os_sleep.c
index 5591789..2d2cb71 100644
--- a/db2/os/db_os_sleep.c
+++ b/db2/os/os_sleep.c
@@ -8,7 +8,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_os_sleep.c	10.6 (Sleepycat) 6/28/97";
+static const char sccsid[] = "@(#)os_sleep.c	10.8 (Sleepycat) 10/25/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -28,21 +28,18 @@ static const char sccsid[] = "@(#)db_os_sleep.c	10.6 (Sleepycat) 6/28/97";
 #endif
 
 #include "db_int.h"
-#include "os_ext.h"
 
 /*
- * __db_sleep --
+ * __os_sleep --
  *	Yield the processor for a period of time.
  *
- * PUBLIC: int __db_sleep __P((u_long, u_long));
+ * PUBLIC: int __os_sleep __P((u_long, u_long));
  */
 int
-__db_sleep(secs, usecs)
+__os_sleep(secs, usecs)
 	u_long secs, usecs;		/* Seconds and microseconds. */
 {
-#ifndef _WIN32
 	struct timeval t;
-#endif
 
 	/* Don't require that the values be normalized. */
 	for (; usecs >= 1000000; ++secs, usecs -= 1000000);
@@ -51,12 +48,7 @@ __db_sleep(secs, usecs)
 	 * It's important that we yield the processor here so that other
 	 * processes or threads are permitted to run.
 	 */
-#ifdef _WIN32
-	Sleep(secs * 1000 + usecs / 1000);
-	return (0);
-#else
 	t.tv_sec = secs;
 	t.tv_usec = usecs;
 	return (select(0, NULL, NULL, NULL, &t) == -1 ? errno : 0);
-#endif
 }
diff --git a/db2/os/db_os_stat.c b/db2/os/os_stat.c
index 7929b6b..ee84ab0 100644
--- a/db2/os/db_os_stat.c
+++ b/db2/os/os_stat.c
@@ -8,7 +8,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_os_stat.c	10.6 (Sleepycat) 7/2/97";
+static const char sccsid[] = "@(#)os_stat.c	10.8 (Sleepycat) 10/25/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -20,17 +20,16 @@ static const char sccsid[] = "@(#)db_os_stat.c	10.6 (Sleepycat) 7/2/97";
 #endif
 
 #include "db_int.h"
-#include "os_ext.h"
 #include "common_ext.h"
 
 /*
- * __db_exists --
+ * __os_exists --
  *	Return if the file exists.
  *
- * PUBLIC: int __db_exists __P((const char *, int *));
+ * PUBLIC: int __os_exists __P((const char *, int *));
  */
 int
-__db_exists(path, isdirp)
+__os_exists(path, isdirp)
 	const char *path;
 	int *isdirp;
 {
@@ -44,25 +43,22 @@ __db_exists(path, isdirp)
 }
 
 /*
- * __db_stat --
+ * __os_ioinfo --
  *	Return file size and I/O size; abstracted to make it easier
  *	to replace.
  *
- * PUBLIC: int __db_stat __P((DB_ENV *, const char *, int, off_t *, off_t *));
+ * PUBLIC: int __os_ioinfo __P((const char *, int, off_t *, off_t *));
  */
 int
-__db_stat(dbenv, path, fd, sizep, iop)
-	DB_ENV *dbenv;
+__os_ioinfo(path, fd, sizep, iop)
 	const char *path;
 	int fd;
 	off_t *sizep, *iop;
 {
 	struct stat sb;
 
-	if (fstat(fd, &sb) == -1) {
-		__db_err(dbenv, "%s: fstat: %s", path, strerror(errno));
+	if (fstat(fd, &sb) == -1)
 		return (errno);
-	}
 
 	/* Return the size of the file. */
 	if (sizep != NULL)
diff --git a/db2/os/db_os_unlink.c b/db2/os/os_unlink.c
index 872beba..473ce77 100644
--- a/db2/os/db_os_unlink.c
+++ b/db2/os/os_unlink.c
@@ -8,7 +8,7 @@
 #include "config.h"
 
 #ifndef lint
-static const char sccsid[] = "@(#)db_os_unlink.c	10.2 (Sleepycat) 6/28/97";
+static const char sccsid[] = "@(#)os_unlink.c	10.4 (Sleepycat) 10/28/97";
 #endif /* not lint */
 
 #ifndef NO_SYSTEM_INCLUDES
@@ -19,7 +19,6 @@ static const char sccsid[] = "@(#)db_os_unlink.c	10.2 (Sleepycat) 6/28/97";
 #endif
 
 #include "db_int.h"
-#include "os_ext.h"
 
 /*
  * __db_unlink --
@@ -31,5 +30,5 @@ int
 __db_unlink(path)
 	const char *path;
 {
-	return (unlink(path) == -1 ? errno : 0);
+	return (__os_unlink(path) == -1 ? errno : 0);
 }