Adding upstream version 2.8.5.upstream/2.8.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

12 files changed, 3996 insertions, 0 deletions

diff --git a/libdb/Makefile.am b/libdb/Makefile.am
new file mode 100644
index 0000000..0015b84
--- /dev/null
+++ b/libdb/Makefile.am
@@ -0,0 +1,47 @@
+## Process this file with automake to produce Makefile.in
+##
+## Copyright (C) 1994, 1995 Graeme Wilford.
+## Copyright (C) 2001, 2003, 2005, 2006, 2007 Colin Watson.
+##
+## This file is part of man-db.
+##
+## man-db is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2 of the License, or
+## (at your option) any later version.
+##
+## man-db is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with man-db; if not, write to the Free Software Foundation,
+## Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+pkglib_LTLIBRARIES = libmandb.la
+dist_noinst_DATA = README
+
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+
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+	-I$(top_builddir)/include \
+	-I$(top_srcdir)/gl/lib \
+	-I$(top_builddir)/gl/lib \
+	-I$(top_srcdir)/lib
+
+libmandb_la_SOURCES = \
+	db_btree.c \
+	db_delete.c \
+	db_gdbm.c \
+	db_lookup.c \
+	db_ndbm.c \
+	db_storage.h \
+	db_store.c \
+	db_ver.c \
+	mydbm.h
+
+libmandb_la_LIBADD = ../lib/libman.la $(DBLIBS)
+
+libmandb_la_LDFLAGS = \
+	-avoid-version -release $(VERSION) -rpath $(pkglibdir) -no-undefined
diff --git a/libdb/Makefile.in b/libdb/Makefile.in
new file mode 100644
index 0000000..6a43a77
--- /dev/null
+++ b/libdb/Makefile.in
@@ -0,0 +1,1867 @@
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+GNULIB_WMEMSET = @GNULIB_WMEMSET@
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+GNULIB__EXIT = @GNULIB__EXIT@
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+HAVE_DECL_GETLINE = @HAVE_DECL_GETLINE@
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+HAVE_DECL_GETPAGESIZE = @HAVE_DECL_GETPAGESIZE@
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+HAVE_DECL_SETHOSTNAME = @HAVE_DECL_SETHOSTNAME@
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+HAVE_GETPAGESIZE = @HAVE_GETPAGESIZE@
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+HAVE_GETSUBOPT = @HAVE_GETSUBOPT@
+HAVE_GETTIMEOFDAY = @HAVE_GETTIMEOFDAY@
+HAVE_GLOB = @HAVE_GLOB@
+HAVE_GLOB_H = @HAVE_GLOB_H@
+HAVE_GLOB_PATTERN_P = @HAVE_GLOB_PATTERN_P@
+HAVE_GRANTPT = @HAVE_GRANTPT@
+HAVE_GROUP_MEMBER = @HAVE_GROUP_MEMBER@
+HAVE_INTTYPES_H = @HAVE_INTTYPES_H@
+HAVE_ISWBLANK = @HAVE_ISWBLANK@
+HAVE_ISWCNTRL = @HAVE_ISWCNTRL@
+HAVE_LANGINFO_ALTMON = @HAVE_LANGINFO_ALTMON@
+HAVE_LANGINFO_CODESET = @HAVE_LANGINFO_CODESET@
+HAVE_LANGINFO_ERA = @HAVE_LANGINFO_ERA@
+HAVE_LANGINFO_H = @HAVE_LANGINFO_H@
+HAVE_LANGINFO_T_FMT_AMPM = @HAVE_LANGINFO_T_FMT_AMPM@
+HAVE_LANGINFO_YESEXPR = @HAVE_LANGINFO_YESEXPR@
+HAVE_LCHMOD = @HAVE_LCHMOD@
+HAVE_LCHOWN = @HAVE_LCHOWN@
+HAVE_LINK = @HAVE_LINK@
+HAVE_LINKAT = @HAVE_LINKAT@
+HAVE_LONG_LONG_INT = @HAVE_LONG_LONG_INT@
+HAVE_LSTAT = @HAVE_LSTAT@
+HAVE_MAX_ALIGN_T = @HAVE_MAX_ALIGN_T@
+HAVE_MBRLEN = @HAVE_MBRLEN@
+HAVE_MBRTOWC = @HAVE_MBRTOWC@
+HAVE_MBSINIT = @HAVE_MBSINIT@
+HAVE_MBSLEN = @HAVE_MBSLEN@
+HAVE_MBSNRTOWCS = @HAVE_MBSNRTOWCS@
+HAVE_MBSRTOWCS = @HAVE_MBSRTOWCS@
+HAVE_MEMCHR = @HAVE_MEMCHR@
+HAVE_MEMPCPY = @HAVE_MEMPCPY@
+HAVE_MKDIRAT = @HAVE_MKDIRAT@
+HAVE_MKDTEMP = @HAVE_MKDTEMP@
+HAVE_MKFIFO = @HAVE_MKFIFO@
+HAVE_MKFIFOAT = @HAVE_MKFIFOAT@
+HAVE_MKNOD = @HAVE_MKNOD@
+HAVE_MKNODAT = @HAVE_MKNODAT@
+HAVE_MKOSTEMP = @HAVE_MKOSTEMP@
+HAVE_MKOSTEMPS = @HAVE_MKOSTEMPS@
+HAVE_MKSTEMP = @HAVE_MKSTEMP@
+HAVE_MKSTEMPS = @HAVE_MKSTEMPS@
+HAVE_MSVC_INVALID_PARAMETER_HANDLER = @HAVE_MSVC_INVALID_PARAMETER_HANDLER@
+HAVE_NANOSLEEP = @HAVE_NANOSLEEP@
+HAVE_NEWLOCALE = @HAVE_NEWLOCALE@
+HAVE_NL_LANGINFO = @HAVE_NL_LANGINFO@
+HAVE_OPENAT = @HAVE_OPENAT@
+HAVE_OPENDIR = @HAVE_OPENDIR@
+HAVE_OS_H = @HAVE_OS_H@
+HAVE_PCLOSE = @HAVE_PCLOSE@
+HAVE_PIPE = @HAVE_PIPE@
+HAVE_PIPE2 = @HAVE_PIPE2@
+HAVE_POPEN = @HAVE_POPEN@
+HAVE_POSIX_OPENPT = @HAVE_POSIX_OPENPT@
+HAVE_POSIX_SIGNALBLOCKING = @HAVE_POSIX_SIGNALBLOCKING@
+HAVE_PREAD = @HAVE_PREAD@
+HAVE_PSELECT = @HAVE_PSELECT@
+HAVE_PTHREAD_SIGMASK = @HAVE_PTHREAD_SIGMASK@
+HAVE_PTSNAME = @HAVE_PTSNAME@
+HAVE_PTSNAME_R = @HAVE_PTSNAME_R@
+HAVE_PWRITE = @HAVE_PWRITE@
+HAVE_QSORT_R = @HAVE_QSORT_R@
+HAVE_RAISE = @HAVE_RAISE@
+HAVE_RANDOM = @HAVE_RANDOM@
+HAVE_RANDOM_H = @HAVE_RANDOM_H@
+HAVE_RANDOM_R = @HAVE_RANDOM_R@
+HAVE_RAWMEMCHR = @HAVE_RAWMEMCHR@
+HAVE_READDIR = @HAVE_READDIR@
+HAVE_READLINK = @HAVE_READLINK@
+HAVE_READLINKAT = @HAVE_READLINKAT@
+HAVE_REALLOCARRAY = @HAVE_REALLOCARRAY@
+HAVE_REALPATH = @HAVE_REALPATH@
+HAVE_RENAMEAT = @HAVE_RENAMEAT@
+HAVE_REWINDDIR = @HAVE_REWINDDIR@
+HAVE_RPMATCH = @HAVE_RPMATCH@
+HAVE_SA_FAMILY_T = @HAVE_SA_FAMILY_T@
+HAVE_SCANDIR = @HAVE_SCANDIR@
+HAVE_SECURE_GETENV = @HAVE_SECURE_GETENV@
+HAVE_SETENV = @HAVE_SETENV@
+HAVE_SETHOSTNAME = @HAVE_SETHOSTNAME@
+HAVE_SIGACTION = @HAVE_SIGACTION@
+HAVE_SIGHANDLER_T = @HAVE_SIGHANDLER_T@
+HAVE_SIGINFO_T = @HAVE_SIGINFO_T@
+HAVE_SIGNED_SIG_ATOMIC_T = @HAVE_SIGNED_SIG_ATOMIC_T@
+HAVE_SIGNED_WCHAR_T = @HAVE_SIGNED_WCHAR_T@
+HAVE_SIGNED_WINT_T = @HAVE_SIGNED_WINT_T@
+HAVE_SIGSET_T = @HAVE_SIGSET_T@
+HAVE_SLEEP = @HAVE_SLEEP@
+HAVE_STDINT_H = @HAVE_STDINT_H@
+HAVE_STPCPY = @HAVE_STPCPY@
+HAVE_STPNCPY = @HAVE_STPNCPY@
+HAVE_STRCASECMP = @HAVE_STRCASECMP@
+HAVE_STRCASESTR = @HAVE_STRCASESTR@
+HAVE_STRCHRNUL = @HAVE_STRCHRNUL@
+HAVE_STRINGS_H = @HAVE_STRINGS_H@
+HAVE_STRPBRK = @HAVE_STRPBRK@
+HAVE_STRPTIME = @HAVE_STRPTIME@
+HAVE_STRSEP = @HAVE_STRSEP@
+HAVE_STRTOD = @HAVE_STRTOD@
+HAVE_STRTOLL = @HAVE_STRTOLL@
+HAVE_STRTOULL = @HAVE_STRTOULL@
+HAVE_STRUCT_RANDOM_DATA = @HAVE_STRUCT_RANDOM_DATA@
+HAVE_STRUCT_SIGACTION_SA_SIGACTION = @HAVE_STRUCT_SIGACTION_SA_SIGACTION@
+HAVE_STRUCT_SOCKADDR_STORAGE = @HAVE_STRUCT_SOCKADDR_STORAGE@
+HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY = @HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY@
+HAVE_STRUCT_TIMEVAL = @HAVE_STRUCT_TIMEVAL@
+HAVE_STRVERSCMP = @HAVE_STRVERSCMP@
+HAVE_SYMLINK = @HAVE_SYMLINK@
+HAVE_SYMLINKAT = @HAVE_SYMLINKAT@
+HAVE_SYSEXITS_H = @HAVE_SYSEXITS_H@
+HAVE_SYS_BITYPES_H = @HAVE_SYS_BITYPES_H@
+HAVE_SYS_CDEFS_H = @HAVE_SYS_CDEFS_H@
+HAVE_SYS_FILE_H = @HAVE_SYS_FILE_H@
+HAVE_SYS_INTTYPES_H = @HAVE_SYS_INTTYPES_H@
+HAVE_SYS_IOCTL_H = @HAVE_SYS_IOCTL_H@
+HAVE_SYS_LOADAVG_H = @HAVE_SYS_LOADAVG_H@
+HAVE_SYS_PARAM_H = @HAVE_SYS_PARAM_H@
+HAVE_SYS_SELECT_H = @HAVE_SYS_SELECT_H@
+HAVE_SYS_SOCKET_H = @HAVE_SYS_SOCKET_H@
+HAVE_SYS_TIME_H = @HAVE_SYS_TIME_H@
+HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@
+HAVE_SYS_UIO_H = @HAVE_SYS_UIO_H@
+HAVE_TIMEGM = @HAVE_TIMEGM@
+HAVE_TIMEZONE_T = @HAVE_TIMEZONE_T@
+HAVE_TYPE_VOLATILE_SIG_ATOMIC_T = @HAVE_TYPE_VOLATILE_SIG_ATOMIC_T@
+HAVE_TZSET = @HAVE_TZSET@
+HAVE_UNISTD_H = @HAVE_UNISTD_H@
+HAVE_UNLINKAT = @HAVE_UNLINKAT@
+HAVE_UNLOCKPT = @HAVE_UNLOCKPT@
+HAVE_UNSIGNED_LONG_LONG_INT = @HAVE_UNSIGNED_LONG_LONG_INT@
+HAVE_USLEEP = @HAVE_USLEEP@
+HAVE_UTIME = @HAVE_UTIME@
+HAVE_UTIMENSAT = @HAVE_UTIMENSAT@
+HAVE_UTIME_H = @HAVE_UTIME_H@
+HAVE_VASPRINTF = @HAVE_VASPRINTF@
+HAVE_VDPRINTF = @HAVE_VDPRINTF@
+HAVE_WCHAR_H = @HAVE_WCHAR_H@
+HAVE_WCHAR_T = @HAVE_WCHAR_T@
+HAVE_WCPCPY = @HAVE_WCPCPY@
+HAVE_WCPNCPY = @HAVE_WCPNCPY@
+HAVE_WCRTOMB = @HAVE_WCRTOMB@
+HAVE_WCSCASECMP = @HAVE_WCSCASECMP@
+HAVE_WCSCAT = @HAVE_WCSCAT@
+HAVE_WCSCHR = @HAVE_WCSCHR@
+HAVE_WCSCMP = @HAVE_WCSCMP@
+HAVE_WCSCOLL = @HAVE_WCSCOLL@
+HAVE_WCSCPY = @HAVE_WCSCPY@
+HAVE_WCSCSPN = @HAVE_WCSCSPN@
+HAVE_WCSDUP = @HAVE_WCSDUP@
+HAVE_WCSFTIME = @HAVE_WCSFTIME@
+HAVE_WCSLEN = @HAVE_WCSLEN@
+HAVE_WCSNCASECMP = @HAVE_WCSNCASECMP@
+HAVE_WCSNCAT = @HAVE_WCSNCAT@
+HAVE_WCSNCMP = @HAVE_WCSNCMP@
+HAVE_WCSNCPY = @HAVE_WCSNCPY@
+HAVE_WCSNLEN = @HAVE_WCSNLEN@
+HAVE_WCSNRTOMBS = @HAVE_WCSNRTOMBS@
+HAVE_WCSPBRK = @HAVE_WCSPBRK@
+HAVE_WCSRCHR = @HAVE_WCSRCHR@
+HAVE_WCSRTOMBS = @HAVE_WCSRTOMBS@
+HAVE_WCSSPN = @HAVE_WCSSPN@
+HAVE_WCSSTR = @HAVE_WCSSTR@
+HAVE_WCSTOK = @HAVE_WCSTOK@
+HAVE_WCSWIDTH = @HAVE_WCSWIDTH@
+HAVE_WCSXFRM = @HAVE_WCSXFRM@
+HAVE_WCTRANS_T = @HAVE_WCTRANS_T@
+HAVE_WCTYPE_H = @HAVE_WCTYPE_H@
+HAVE_WCTYPE_T = @HAVE_WCTYPE_T@
+HAVE_WINSOCK2_H = @HAVE_WINSOCK2_H@
+HAVE_WINT_T = @HAVE_WINT_T@
+HAVE_WMEMCHR = @HAVE_WMEMCHR@
+HAVE_WMEMCMP = @HAVE_WMEMCMP@
+HAVE_WMEMCPY = @HAVE_WMEMCPY@
+HAVE_WMEMMOVE = @HAVE_WMEMMOVE@
+HAVE_WMEMSET = @HAVE_WMEMSET@
+HAVE_WS2TCPIP_H = @HAVE_WS2TCPIP_H@
+HAVE_XLOCALE_H = @HAVE_XLOCALE_H@
+HAVE__BOOL = @HAVE__BOOL@
+HAVE__EXIT = @HAVE__EXIT@
+IGNORE_UNUSED_LIBRARIES_CFLAGS = @IGNORE_UNUSED_LIBRARIES_CFLAGS@
+INCLUDE_NEXT = @INCLUDE_NEXT@
+INCLUDE_NEXT_AS_FIRST_DIRECTIVE = @INCLUDE_NEXT_AS_FIRST_DIRECTIVE@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+INTLLIBS = @INTLLIBS@
+INTL_MACOSX_LIBS = @INTL_MACOSX_LIBS@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LEX = @LEX@
+LEXLIB = @LEXLIB@
+LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@
+LIBCOMPRESS = @LIBCOMPRESS@
+LIBICONV = @LIBICONV@
+LIBINTL = @LIBINTL@
+LIBMULTITHREAD = @LIBMULTITHREAD@
+LIBOBJS = @LIBOBJS@
+LIBPTH = @LIBPTH@
+LIBPTH_PREFIX = @LIBPTH_PREFIX@
+LIBS = @LIBS@
+LIBSOCKET = @LIBSOCKET@
+LIBTHREAD = @LIBTHREAD@
+LIBTOOL = @LIBTOOL@
+LIB_CLOCK_GETTIME = @LIB_CLOCK_GETTIME@
+LIB_GETLOGIN = @LIB_GETLOGIN@
+LIB_NANOSLEEP = @LIB_NANOSLEEP@
+LIB_SELECT = @LIB_SELECT@
+LIMITS_H = @LIMITS_H@
+LINGUAS = @LINGUAS@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LOCALCHARSET_TESTS_ENVIRONMENT = @LOCALCHARSET_TESTS_ENVIRONMENT@
+LOCALE_FR = @LOCALE_FR@
+LOCALE_FR_UTF8 = @LOCALE_FR_UTF8@
+LOCALE_JA = @LOCALE_JA@
+LOCALE_ZH_CN = @LOCALE_ZH_CN@
+LTALLOCA = @LTALLOCA@
+LTLIBICONV = @LTLIBICONV@
+LTLIBINTL = @LTLIBINTL@
+LTLIBMULTITHREAD = @LTLIBMULTITHREAD@
+LTLIBOBJS = @LTLIBOBJS@
+LTLIBPTH = @LTLIBPTH@
+LTLIBTHREAD = @LTLIBTHREAD@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+MANDIR_LAYOUT = @MANDIR_LAYOUT@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MAN_SUBDIRS = @MAN_SUBDIRS@
+MKDIR_P = @MKDIR_P@
+MSGFMT = @MSGFMT@
+MSGFMT_015 = @MSGFMT_015@
+MSGMERGE = @MSGMERGE@
+NEXT_AS_FIRST_DIRECTIVE_DIRENT_H = @NEXT_AS_FIRST_DIRECTIVE_DIRENT_H@
+NEXT_AS_FIRST_DIRECTIVE_ERRNO_H = @NEXT_AS_FIRST_DIRECTIVE_ERRNO_H@
+NEXT_AS_FIRST_DIRECTIVE_FCNTL_H = @NEXT_AS_FIRST_DIRECTIVE_FCNTL_H@
+NEXT_AS_FIRST_DIRECTIVE_FLOAT_H = @NEXT_AS_FIRST_DIRECTIVE_FLOAT_H@
+NEXT_AS_FIRST_DIRECTIVE_FNMATCH_H = @NEXT_AS_FIRST_DIRECTIVE_FNMATCH_H@
+NEXT_AS_FIRST_DIRECTIVE_GETOPT_H = @NEXT_AS_FIRST_DIRECTIVE_GETOPT_H@
+NEXT_AS_FIRST_DIRECTIVE_GLOB_H = @NEXT_AS_FIRST_DIRECTIVE_GLOB_H@
+NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H = @NEXT_AS_FIRST_DIRECTIVE_LANGINFO_H@
+NEXT_AS_FIRST_DIRECTIVE_LIMITS_H = @NEXT_AS_FIRST_DIRECTIVE_LIMITS_H@
+NEXT_AS_FIRST_DIRECTIVE_LOCALE_H = @NEXT_AS_FIRST_DIRECTIVE_LOCALE_H@
+NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H = @NEXT_AS_FIRST_DIRECTIVE_SIGNAL_H@
+NEXT_AS_FIRST_DIRECTIVE_STDARG_H = @NEXT_AS_FIRST_DIRECTIVE_STDARG_H@
+NEXT_AS_FIRST_DIRECTIVE_STDDEF_H = @NEXT_AS_FIRST_DIRECTIVE_STDDEF_H@
+NEXT_AS_FIRST_DIRECTIVE_STDINT_H = @NEXT_AS_FIRST_DIRECTIVE_STDINT_H@
+NEXT_AS_FIRST_DIRECTIVE_STDIO_H = @NEXT_AS_FIRST_DIRECTIVE_STDIO_H@
+NEXT_AS_FIRST_DIRECTIVE_STDLIB_H = @NEXT_AS_FIRST_DIRECTIVE_STDLIB_H@
+NEXT_AS_FIRST_DIRECTIVE_STRINGS_H = @NEXT_AS_FIRST_DIRECTIVE_STRINGS_H@
+NEXT_AS_FIRST_DIRECTIVE_STRING_H = @NEXT_AS_FIRST_DIRECTIVE_STRING_H@
+NEXT_AS_FIRST_DIRECTIVE_SYSEXITS_H = @NEXT_AS_FIRST_DIRECTIVE_SYSEXITS_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_FILE_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_FILE_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_IOCTL_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_IOCTL_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TYPES_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_UIO_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_UIO_H@
+NEXT_AS_FIRST_DIRECTIVE_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_TIME_H@
+NEXT_AS_FIRST_DIRECTIVE_UNISTD_H = @NEXT_AS_FIRST_DIRECTIVE_UNISTD_H@
+NEXT_AS_FIRST_DIRECTIVE_UTIME_H = @NEXT_AS_FIRST_DIRECTIVE_UTIME_H@
+NEXT_AS_FIRST_DIRECTIVE_WCHAR_H = @NEXT_AS_FIRST_DIRECTIVE_WCHAR_H@
+NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H = @NEXT_AS_FIRST_DIRECTIVE_WCTYPE_H@
+NEXT_DIRENT_H = @NEXT_DIRENT_H@
+NEXT_ERRNO_H = @NEXT_ERRNO_H@
+NEXT_FCNTL_H = @NEXT_FCNTL_H@
+NEXT_FLOAT_H = @NEXT_FLOAT_H@
+NEXT_FNMATCH_H = @NEXT_FNMATCH_H@
+NEXT_GETOPT_H = @NEXT_GETOPT_H@
+NEXT_GLOB_H = @NEXT_GLOB_H@
+NEXT_LANGINFO_H = @NEXT_LANGINFO_H@
+NEXT_LIMITS_H = @NEXT_LIMITS_H@
+NEXT_LOCALE_H = @NEXT_LOCALE_H@
+NEXT_SIGNAL_H = @NEXT_SIGNAL_H@
+NEXT_STDARG_H = @NEXT_STDARG_H@
+NEXT_STDDEF_H = @NEXT_STDDEF_H@
+NEXT_STDINT_H = @NEXT_STDINT_H@
+NEXT_STDIO_H = @NEXT_STDIO_H@
+NEXT_STDLIB_H = @NEXT_STDLIB_H@
+NEXT_STRINGS_H = @NEXT_STRINGS_H@
+NEXT_STRING_H = @NEXT_STRING_H@
+NEXT_SYSEXITS_H = @NEXT_SYSEXITS_H@
+NEXT_SYS_FILE_H = @NEXT_SYS_FILE_H@
+NEXT_SYS_IOCTL_H = @NEXT_SYS_IOCTL_H@
+NEXT_SYS_SELECT_H = @NEXT_SYS_SELECT_H@
+NEXT_SYS_SOCKET_H = @NEXT_SYS_SOCKET_H@
+NEXT_SYS_STAT_H = @NEXT_SYS_STAT_H@
+NEXT_SYS_TIME_H = @NEXT_SYS_TIME_H@
+NEXT_SYS_TYPES_H = @NEXT_SYS_TYPES_H@
+NEXT_SYS_UIO_H = @NEXT_SYS_UIO_H@
+NEXT_TIME_H = @NEXT_TIME_H@
+NEXT_UNISTD_H = @NEXT_UNISTD_H@
+NEXT_UTIME_H = @NEXT_UTIME_H@
+NEXT_WCHAR_H = @NEXT_WCHAR_H@
+NEXT_WCTYPE_H = @NEXT_WCTYPE_H@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+PO4A = @PO4A@
+POSUB = @POSUB@
+PRAGMA_COLUMNS = @PRAGMA_COLUMNS@
+PRAGMA_SYSTEM_HEADER = @PRAGMA_SYSTEM_HEADER@
+PTHREAD_H_DEFINES_STRUCT_TIMESPEC = @PTHREAD_H_DEFINES_STRUCT_TIMESPEC@
+PTRDIFF_T_SUFFIX = @PTRDIFF_T_SUFFIX@
+RANLIB = @RANLIB@
+REPLACE_BTOWC = @REPLACE_BTOWC@
+REPLACE_CALLOC = @REPLACE_CALLOC@
+REPLACE_CANONICALIZE_FILE_NAME = @REPLACE_CANONICALIZE_FILE_NAME@
+REPLACE_CHOWN = @REPLACE_CHOWN@
+REPLACE_CLOSE = @REPLACE_CLOSE@
+REPLACE_CLOSEDIR = @REPLACE_CLOSEDIR@
+REPLACE_CTIME = @REPLACE_CTIME@
+REPLACE_DIRFD = @REPLACE_DIRFD@
+REPLACE_DPRINTF = @REPLACE_DPRINTF@
+REPLACE_DUP = @REPLACE_DUP@
+REPLACE_DUP2 = @REPLACE_DUP2@
+REPLACE_DUPLOCALE = @REPLACE_DUPLOCALE@
+REPLACE_FACCESSAT = @REPLACE_FACCESSAT@
+REPLACE_FCHOWNAT = @REPLACE_FCHOWNAT@
+REPLACE_FCLOSE = @REPLACE_FCLOSE@
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+	-I$(top_builddir)/gl/lib \
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+	db_delete.c \
+	db_gdbm.c \
+	db_lookup.c \
+	db_ndbm.c \
+	db_storage.h \
+	db_store.c \
+	db_ver.c \
+	mydbm.h
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+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
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+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign libdb/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign libdb/Makefile
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+	  *config.status*) \
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+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
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+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(pkglibdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(pkglibdir)"; \
+	}
+
+uninstall-pkglibLTLIBRARIES:
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+	done
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+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
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+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
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+	fi
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	for dir in "$(DESTDIR)$(pkglibdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
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+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+	@echo "it deletes files that may require special tools to rebuild."
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+	-rm -f ./$(DEPDIR)/libmandb_la-db_lookup.Plo
+	-rm -f ./$(DEPDIR)/libmandb_la-db_ndbm.Plo
+	-rm -f ./$(DEPDIR)/libmandb_la-db_store.Plo
+	-rm -f ./$(DEPDIR)/libmandb_la-db_ver.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
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+	mostlyclean-libtool
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-pkglibLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
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+
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+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/libdb/README b/libdb/README
new file mode 100644
index 0000000..c1816bd
--- /dev/null
+++ b/libdb/README
@@ -0,0 +1,7 @@
+This directory contains the database management routines required by the
+man-db package. 
+
+* You may distribute under the terms of the GNU Library General Public
+* License as specified in the file COPYING.LIB that comes with the man
+* distribution.
+
diff --git a/libdb/db_btree.c b/libdb/db_btree.c
new file mode 100644
index 0000000..4469bf6
--- /dev/null
+++ b/libdb/db_btree.c
@@ -0,0 +1,272 @@
+/*
+ * db_btree.c: low level btree interface routines for man.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2002 Colin Watson.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon Aug  8 20:35:30 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+/* below this line are routines only useful for the BTREE interface */
+#ifdef BTREE
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#include <sys/file.h> /* for flock() */
+#include <sys/types.h> /* for open() */
+#include <sys/stat.h>
+
+#if HAVE_FCNTL_H
+#  include <fcntl.h>
+#endif
+
+#include <unistd.h>
+
+#include "stat-time.h"
+#include "timespec.h"
+
+#include "manconfig.h"
+
+#include "error.h"
+#include "hashtable.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+struct hashtable *loop_check_hash;
+
+/* the Berkeley database libraries do nothing to arbitrate between concurrent
+   database accesses, so we do a simple flock(). If the db is opened in
+   anything but O_RDONLY mode, an exclusive lock is enabled. Otherwise, the
+   lock is shared. A file cannot have both locks at once, and the non
+   blocking method is used ": Try again". This adopts GNU dbm's approach. */
+
+/* release the lock and close the database */
+int btree_close (DB *db)
+{
+	(void) flock ((db->fd) (db), LOCK_UN);
+	return (db->close) (db);
+}
+
+/* open a btree type database, with file locking. */
+DB *btree_flopen (char *filename, int flags, int mode)
+{
+	DB *db;
+	BTREEINFO b;
+	int lock_op;
+	int lock_failed;
+
+	b.flags = 0;		/* do not allow any duplicate keys */
+
+	b.cachesize = 0;	/* default size */
+	b.maxkeypage = 0;	/* default */
+	b.minkeypage = 0;	/* default */
+	b.psize = 0;		/* default page size (2048?) */
+	b.compare = NULL;	/* builtin compare() function */
+	b.prefix = NULL;	/* builtin function */
+	b.lorder = 0;		/* byte order of host */
+
+	if (flags & ~O_RDONLY) {
+		/* flags includes O_RDWR or O_WRONLY, need an exclusive lock */
+		lock_op = LOCK_EX | LOCK_NB;
+	} else {
+		lock_op = LOCK_SH | LOCK_NB;
+	}
+
+	if (!(flags & O_CREAT)) {
+		/* Berkeley DB thinks that a zero-length file means that
+		 * somebody else is writing it, and sleeps for a few
+		 * seconds to give the writer a chance. All very well, but
+		 * the common case is that the database is just zero-length
+		 * because mandb was interrupted or ran out of disk space or
+		 * something like that - so we check for this case by hand
+		 * and ignore the database if it's zero-length.
+		 */
+		struct stat iszero;
+		if (stat (filename, &iszero) < 0)
+			return NULL;
+		if (iszero.st_size == 0) {
+			errno = EINVAL;
+			return NULL;
+		}
+	}
+
+	if (flags & O_TRUNC) {
+		/* opening the db is destructive, need to lock first */
+		int fd;
+
+		db = NULL;
+		lock_failed = 1;
+		fd = open (filename, flags & ~O_TRUNC, mode);
+		if (fd != -1) {
+			if (!(lock_failed = flock (fd, lock_op)))
+				db = dbopen (filename, flags, mode,
+					     DB_BTREE, &b);
+			close (fd);
+		}
+	} else {
+		db = dbopen (filename, flags, mode, DB_BTREE, &b);
+		if (db)
+			lock_failed = flock ((db->fd) (db), lock_op);
+	}
+
+	if (!db)
+		return NULL;
+
+	if (lock_failed) {
+		gripe_lock (filename);
+		btree_close (db);
+		return NULL;
+	}
+
+	return db;
+}
+
+/* do a replace when we have the duplicate flag set on the database -
+   we must do a del and insert, as a direct insert will not wipe out the
+   old entry */
+int btree_replace (DB *db, datum key, datum cont)
+{
+	return (db->put) (db, (DBT *) &key, (DBT *) &cont, 0);
+}
+
+int btree_insert (DB *db, datum key, datum cont)
+{
+	return (db->put) (db, (DBT *) &key, (DBT *) &cont, R_NOOVERWRITE);
+}
+
+/* generic fetch routine for the btree database */
+datum btree_fetch (DB *db, datum key)
+{
+	datum data;
+
+	memset (&data, 0, sizeof data);
+
+	if ((db->get) (db, (DBT *) &key, (DBT *) &data, 0)) {
+		memset (&data, 0, sizeof data);
+		return data;
+	}
+
+	return copy_datum (data);
+}
+
+/* return 1 if the key exists, 0 otherwise */
+int btree_exists (DB *db, datum key)
+{
+	datum data;
+	return ((db->get) (db, (DBT *) &key, (DBT *) &data, 0) ? 0 : 1);
+}
+
+/* initiate a sequential access */
+static datum btree_findkey (DB *db, u_int flags)
+{
+	datum key, data;
+
+	memset (&key, 0, sizeof key);
+	memset (&data, 0, sizeof data);
+
+	if (flags == R_FIRST) {
+		if (loop_check_hash) {
+			hashtable_free (loop_check_hash);
+			loop_check_hash = NULL;
+		}
+	}
+	if (!loop_check_hash)
+		loop_check_hash = hashtable_create (&free);
+
+	if (((db->seq) (db, (DBT *) &key, (DBT *) &data, flags))) {
+		memset (&key, 0, sizeof key);
+		return key;
+	}
+
+	if (hashtable_lookup (loop_check_hash,
+			      MYDBM_DPTR (key), MYDBM_DSIZE (key))) {
+		/* We've seen this key already, which is broken. Return NULL
+		 * so the caller doesn't go round in circles.
+		 */
+		debug ("Corrupt database! Already seen %*s. "
+		       "Attempting to recover ...\n",
+		       (int) MYDBM_DSIZE (key), MYDBM_DPTR (key));
+		memset (&key, 0, sizeof key);
+		return key;
+	}
+
+	hashtable_install (loop_check_hash,
+			   MYDBM_DPTR (key), MYDBM_DSIZE (key), NULL);
+
+	return copy_datum (key);
+}
+
+/* return the first key in the db */
+datum btree_firstkey (DB *db)
+{
+	return btree_findkey (db, R_FIRST);
+}
+
+/* return the next key in the db. NB. This routine only works if the cursor
+   has been previously set by btree_firstkey() since it was last opened. So
+   if we close/reopen a db mid search, we have to manually set up the
+   cursor again. */
+datum btree_nextkey (DB *db)
+{
+	return btree_findkey (db, R_NEXT);
+}
+
+/* compound nextkey routine, initialising key and content */
+int btree_nextkeydata (DB *db, datum *key, datum *cont)
+{
+	int status;
+
+	if ((status = (db->seq) (db, (DBT *) key, (DBT *) cont, R_NEXT)) != 0)
+		return status;
+
+	*key = copy_datum (*key);
+	*cont = copy_datum (*cont);
+
+	return 0;
+}
+
+struct timespec btree_get_time (DB *db)
+{
+	struct stat st;
+
+	if (fstat ((db->fd) (db), &st) < 0) {
+		struct timespec t;
+		t.tv_sec = -1;
+		t.tv_nsec = -1;
+		return t;
+	}
+	return get_stat_mtime (&st);
+}
+
+void btree_set_time (DB *db, const struct timespec time)
+{
+	struct timespec times[2];
+
+	times[0] = time;
+	times[1] = time;
+	futimens ((db->fd) (db), times);
+}
+
+#endif /* BTREE */
diff --git a/libdb/db_delete.c b/libdb/db_delete.c
new file mode 100644
index 0000000..4ac6401
--- /dev/null
+++ b/libdb/db_delete.c
@@ -0,0 +1,148 @@
+/*
+ * db_delete.c: dbdelete(), database delete routine.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002 Colin Watson.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon Aug  8 20:35:30 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "error.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+/* Delete an entry for a page.
+   Again, 3 possibilities:
+
+   1) page is singular reference, just delete it :)
+   2) page has 2+ companions. Delete page and alter multi entry to not
+      point to it anymore.
+   3) page has 1 companion. Could do as (2), but we'd waste an entry in
+      the db. Should delete page, extract friend and reinsert as singular,
+      overwriting the old multi entry.
+*/
+
+#define NO_ENTRY	1;
+
+int dbdelete (MYDBM_FILE dbf, const char *name, struct mandata *info)
+{
+	datum key, cont;
+
+	memset (&key, 0, sizeof key);
+	memset (&cont, 0, sizeof cont);
+
+	/* get entry for info */
+
+	debug ("Attempting delete of %s(%s) entry.\n", name, info->ext);
+
+	MYDBM_SET (key, name_to_key (name));
+	cont = MYDBM_FETCH (dbf, key);
+
+	if (!MYDBM_DPTR (cont)) {			/* 0 entries */
+		MYDBM_FREE_DPTR (key);
+		return NO_ENTRY;
+	} else if (*MYDBM_DPTR (cont) != '\t') {	/* 1 entry */
+		MYDBM_DELETE (dbf, key);
+		MYDBM_FREE_DPTR (cont);
+	} else {					/* 2+ entries */
+		char **names, **ext;
+		char *multi_content = NULL;
+		datum multi_key;
+		int refs, i, j;
+
+		/* Extract all of the extensions associated with
+		   this key */
+
+		refs = list_extensions (MYDBM_DPTR (cont) + 1, &names, &ext);
+
+		for (i = 0; i < refs; ++i)
+			if (STREQ (names[i], name) &&
+			    STREQ (ext[i], info->ext))
+				break;
+
+		if (i >= refs) {
+			free (names);
+			free (ext);
+			MYDBM_FREE_DPTR (cont);
+			MYDBM_FREE_DPTR (key);
+			return NO_ENTRY;
+		}
+
+		multi_key = make_multi_key (names[i], ext[i]);
+		if (!MYDBM_EXISTS (dbf, multi_key)) {
+			error (0, 0,
+			       _( "multi key %s does not exist"),
+			       MYDBM_DPTR (multi_key));
+			gripe_corrupt_data ();
+		}
+		MYDBM_DELETE (dbf, multi_key);
+		MYDBM_FREE_DPTR (multi_key);
+
+		/* refs *may* be 1 if all manual pages with this name
+		   have been deleted. In this case, we'll have to remove
+		   the key too */
+
+		if (refs == 1) {
+			free (names);
+			free (ext);
+			MYDBM_FREE_DPTR (cont);
+			MYDBM_DELETE (dbf, key);
+			MYDBM_FREE_DPTR (key);
+			return 0;
+		}
+
+		/* create our new multi content */
+		for (j = 0; j < refs; ++j)
+			if (i != j)
+				multi_content = appendstr (multi_content,
+							   "\t", names[j],
+							   "\t", ext[j],
+							   (void *) 0);
+
+		MYDBM_FREE_DPTR (cont);
+
+		/* if refs = 2 do something else. Doesn't really matter as
+		   the gdbm db file does not shrink any after a deletion
+		   anyway */
+
+		MYDBM_SET (cont, multi_content);
+
+		if (MYDBM_REPLACE (dbf, key, cont))
+			gripe_replace_key (MYDBM_DPTR (key));
+
+		free (names);
+		free (ext);
+	}
+
+	MYDBM_FREE_DPTR (key);
+	return 0;
+}
diff --git a/libdb/db_gdbm.c b/libdb/db_gdbm.c
new file mode 100644
index 0000000..f3aaa94
--- /dev/null
+++ b/libdb/db_gdbm.c
@@ -0,0 +1,289 @@
+/*
+ * db_gdbm.c: low level gdbm interface routines for man.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon Aug  8 20:35:30 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#ifdef GDBM
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <setjmp.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "stat-time.h"
+#include "timespec.h"
+
+#include "manconfig.h"
+
+#include "hashtable.h"
+#include "cleanup.h"
+
+#include "mydbm.h"
+
+static struct hashtable *parent_sortkey_hash;
+
+struct sortkey {
+	datum key;
+	struct sortkey *next;
+};
+
+/* setjmp/longjmp handling to defend against _gdbm_fatal exiting under our
+ * feet.  Not thread-safe, but there is no plan for man-db to ever use
+ * threads.
+ */
+static jmp_buf open_env;
+static int opening;
+
+/* Mimic _gdbm_fatal's error output, but handle errors during open more
+ * gracefully than exiting.
+ */
+static void trap_error (const char *val)
+{
+	if (opening) {
+		debug ("gdbm error: %s\n", val);
+		longjmp (open_env, 1);
+	} else
+		fprintf (stderr, "gdbm fatal: %s\n", val);
+}
+
+man_gdbm_wrapper man_gdbm_open_wrapper (const char *name, int flags)
+{
+	man_gdbm_wrapper wrap;
+	GDBM_FILE file;
+	datum key, content;
+
+	opening = 1;
+	if (setjmp (open_env))
+		return NULL;
+	file = gdbm_open ((char *) name, BLK_SIZE, flags, DBMODE, trap_error);
+	if (!file)
+		return NULL;
+
+	wrap = xmalloc (sizeof *wrap);
+	wrap->name = xstrdup (name);
+	wrap->file = file;
+
+	if ((flags & ~GDBM_FAST) != GDBM_NEWDB) {
+		/* While the setjmp/longjmp guard is in effect, make sure we
+		 * can read from the database at all.
+		 */
+		memset (&key, 0, sizeof key);
+		MYDBM_SET (key, xstrdup (VER_KEY));
+		content = MYDBM_FETCH (wrap, key);
+		MYDBM_FREE_DPTR (key);
+		MYDBM_FREE_DPTR (content);
+	}
+
+	opening = 0;
+
+	return wrap;
+}
+
+static void parent_sortkey_hashtable_free (void *defn)
+{
+	/* Automatically free child hashtables on removal. */
+	hashtable_free ((struct hashtable *) defn);
+}
+
+static void sortkey_hashtable_free (void *defn)
+{
+	struct sortkey *key = (struct sortkey *) defn;
+	MYDBM_FREE_DPTR (key->key);
+	free (key);
+}
+
+static int sortkey_compare (const void *a, const void *b)
+{
+	const struct sortkey **left = (const struct sortkey **) a;
+	const struct sortkey **right = (const struct sortkey **) b;
+	int cmp;
+	size_t minsize;
+
+	/* Sentinel NULL elements sort to the end. */
+	if (!MYDBM_DPTR ((*left)->key))
+		return 1;
+	else if (!MYDBM_DPTR ((*right)->key))
+		return -1;
+
+	if (MYDBM_DSIZE ((*left)->key) < MYDBM_DSIZE ((*right)->key))
+		minsize = MYDBM_DSIZE ((*left)->key);
+	else
+		minsize = MYDBM_DSIZE ((*right)->key);
+	cmp = strncmp (MYDBM_DPTR ((*left)->key), MYDBM_DPTR ((*right)->key),
+		       minsize);
+	if (cmp)
+		return cmp;
+	else if (MYDBM_DSIZE ((*left)->key) < MYDBM_DSIZE ((*right)->key))
+		return 1;
+	else if (MYDBM_DSIZE ((*left)->key) > MYDBM_DSIZE ((*right)->key))
+		return -1;
+	else
+		return 0;
+}
+
+static datum empty_datum = { NULL, 0 };
+
+/* We keep a hashtable of filenames to sorted lists of keys. Each list is
+ * stored both with links from each element to the next and in a hashtable,
+ * so that both sequential access and random access are quick. This is
+ * necessary for a reasonable ordered implementation of nextkey.
+ */
+datum man_gdbm_firstkey (man_gdbm_wrapper wrap)
+{
+	struct hashtable *sortkey_hash;
+	struct sortkey **keys, *firstkey;
+	int numkeys = 0, maxkeys = 256;
+	int i;
+
+	/* Build the raw list of keys and sort it. */
+	keys = xnmalloc (maxkeys, sizeof *keys);
+	keys[0] = xmalloc (sizeof **keys);
+	keys[0]->key = gdbm_firstkey (wrap->file);
+	while (MYDBM_DPTR (keys[numkeys]->key)) {
+		if (++numkeys >= maxkeys) {
+			maxkeys *= 2;
+			keys = xnrealloc (keys, maxkeys, sizeof *keys);
+		}
+		keys[numkeys] = xmalloc (sizeof **keys);
+		keys[numkeys]->key =
+			gdbm_nextkey (wrap->file, keys[numkeys - 1]->key);
+	}
+	free (keys[numkeys]);
+	keys[numkeys] = NULL;	/* simplifies the empty case */
+	qsort (keys, numkeys, sizeof *keys, &sortkey_compare);
+
+	/* Link the elements together and insert them into a hash. */
+	sortkey_hash = hashtable_create (&sortkey_hashtable_free);
+	for (i = 0; i < numkeys; ++i) {
+		if (i < numkeys - 1)
+			keys[i]->next = keys[i + 1];
+		else
+			keys[i]->next = NULL;
+		hashtable_install (sortkey_hash,
+				   MYDBM_DPTR (keys[i]->key),
+				   MYDBM_DSIZE (keys[i]->key),
+				   keys[i]);
+	}
+	firstkey = keys[0];
+	free (keys);	/* element memory now owned by hashtable */
+
+	if (!parent_sortkey_hash) {
+		parent_sortkey_hash = hashtable_create
+			(&parent_sortkey_hashtable_free);
+		push_cleanup ((cleanup_fun) hashtable_free,
+			      parent_sortkey_hash, 0);
+	}
+
+	/* Remember this structure for use by nextkey. */
+	hashtable_install (parent_sortkey_hash,
+			   wrap->name, strlen (wrap->name), sortkey_hash);
+
+	if (firstkey)
+		return copy_datum (firstkey->key);
+	else
+		return empty_datum; /* dptr is NULL, so no copy needed */
+}
+
+datum man_gdbm_nextkey (man_gdbm_wrapper wrap, datum key)
+{
+	struct hashtable *sortkey_hash;
+	struct sortkey *sortkey;
+
+	if (!parent_sortkey_hash)
+		return empty_datum;
+	sortkey_hash = hashtable_lookup (parent_sortkey_hash,
+					 wrap->name, strlen (wrap->name));
+	if (!sortkey_hash)
+		return empty_datum;
+
+	sortkey = hashtable_lookup (sortkey_hash,
+				    MYDBM_DPTR (key), MYDBM_DSIZE (key));
+	if (!sortkey || !sortkey->next)
+		return empty_datum;
+
+	return copy_datum (sortkey->next->key);
+}
+
+struct timespec man_gdbm_get_time (man_gdbm_wrapper wrap)
+{
+	struct stat st;
+
+	if (fstat (gdbm_fdesc (wrap->file), &st) < 0) {
+		struct timespec t;
+		t.tv_sec = -1;
+		t.tv_nsec = -1;
+		return t;
+	}
+	return get_stat_mtime (&st);
+}
+
+void man_gdbm_set_time (man_gdbm_wrapper wrap, const struct timespec time)
+{
+	struct timespec times[2];
+
+	times[0] = time;
+	times[1] = time;
+	futimens (gdbm_fdesc (wrap->file), times);
+}
+
+void man_gdbm_close (man_gdbm_wrapper wrap)
+{
+	if (!wrap)
+		return;
+
+	if (parent_sortkey_hash) {
+		struct hashtable *sortkey_hash =
+			hashtable_lookup (parent_sortkey_hash,
+					  wrap->name, strlen (wrap->name));
+		if (sortkey_hash)
+			hashtable_remove (parent_sortkey_hash,
+					  wrap->name, strlen (wrap->name));
+	}
+
+	free (wrap->name);
+	gdbm_close (wrap->file);
+	free (wrap);
+}
+
+#ifndef HAVE_GDBM_EXISTS
+
+int gdbm_exists (GDBM_FILE file, datum key)
+{
+	char *memory;
+
+	memory = MYDBM_DPTR (gdbm_fetch (file, key));
+	if (memory) {
+		free (memory);
+		return 1;
+	}
+
+	return 0;
+}
+
+#endif /* !HAVE_GDBM_EXISTS */
+
+#endif /* GDBM */
diff --git a/libdb/db_lookup.c b/libdb/db_lookup.c
new file mode 100644
index 0000000..140a505
--- /dev/null
+++ b/libdb/db_lookup.c
@@ -0,0 +1,493 @@
+/*
+ * db_lookup.c: low level database interface routines for man.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002, 2003, 2006, 2007, 2008, 2009, 2012
+ *               Colin Watson.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon Aug  8 20:35:30 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "fnmatch.h"
+#include "regex.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "error.h"
+#include "lower.h"
+#include "wordfnmatch.h"
+#include "xregcomp.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+/* If using ndbm or BTREE, copy the static storage before doing anything
+ * interesting with it. If using gdbm, firstkey and nextkey need to copy the
+ * storage because our ordered wrappers keep an effectively static copy.
+ */
+datum copy_datum (datum dat)
+{
+	if (MYDBM_DPTR (dat)) {
+		MYDBM_SET_DPTR (dat, memcpy (xmalloc (MYDBM_DSIZE (dat) + 1),
+						      MYDBM_DPTR (dat),
+						      MYDBM_DSIZE (dat)));
+		MYDBM_DPTR (dat)[MYDBM_DSIZE (dat)] = '\0';
+	}
+	return dat;
+}
+
+/* gdbm does locking itself. */
+#if defined(NDBM) || defined(BTREE)
+void gripe_lock (char *filename)
+{
+	error (0, errno, _("can't lock index cache %s"), filename);
+}
+#endif /* NDBM || BTREE */
+
+/* issue fatal message, then exit */
+void gripe_corrupt_data (void)
+{
+	error (FATAL, 0, _("index cache %s corrupt"), database);
+}
+
+/* deal with situation where we cannot replace a key */
+void gripe_replace_key (const char *data)
+{
+	error (0, 0, _("cannot replace key %s"), data);
+	gripe_corrupt_data ();
+}
+
+static char *copy_if_set (const char *str)
+{
+	if (STREQ (str, "-"))
+		return NULL;
+	else
+		return xstrdup (str);
+}
+
+const char *dash_if_unset (const char *str)
+{
+	if (str)
+		return str;
+	else
+		return "-";
+}
+
+/* Just print out what would be stored in the db */
+void dbprintf (const struct mandata *info)
+{
+	debug ("name:      %s\n"
+	       "sec. ext:  %s\n"
+	       "section:   %s\n"
+	       "comp. ext: %s\n"
+	       "id:        %c\n"
+	       "mtime:     %ld.%09ld\n"
+	       "pointer:   %s\n"
+	       "filter:    %s\n"
+	       "whatis:    %s\n\n",
+	       dash_if_unset (info->name),
+	       info->ext, info->sec, info->comp,
+	       info->id, (long) info->mtime.tv_sec, (long) info->mtime.tv_nsec,
+	       info->pointer, info->filter, info->whatis);
+}
+
+/* Form a multi-style key from page and extension info. The page should
+ * *not* be name_to_key()'d - that should only happen to the parent.
+ */
+datum make_multi_key (const char *page, const char *ext)
+{
+	datum key;
+
+	memset (&key, 0, sizeof key);
+	MYDBM_SET (key, xasprintf ("%s\t%s", page, ext));
+	return key;
+}
+
+/* Free allocated elements of a mandata structure, but not the structure
+ * itself.
+ */
+void free_mandata_elements (struct mandata *pinfo)
+{
+	if (pinfo->addr)
+		/* TODO: this memory appears to be properly owned by the
+		 * caller; why do we free it here?
+		 */
+		free (pinfo->addr);		/* free the 'content' */
+	free (pinfo->name);			/* free the real name */
+}
+
+/* Go through the linked list of structures, free()ing the 'content' and the
+ * structs themselves.
+ */
+void free_mandata_struct (struct mandata *pinfo)
+{
+	while (pinfo) {
+		struct mandata *next;
+
+		next = pinfo->next;
+		free_mandata_elements (pinfo);
+		free (pinfo);			/* free the structure */
+		pinfo = next;
+	}
+}
+
+/* Get the key that should be used for a given name. The caller is
+ * responsible for freeing the return value.
+ */
+char *name_to_key (const char *name)
+{
+	return lower (name);
+}
+
+/* return char ptr array to the data's fields */
+static char **split_data (char *content, char *start[])
+{
+        int count;
+
+	/* initialise pointers to first N-1 fields */
+	for (count = 0; count < FIELDS - 1 ; count++) {
+		start[count] = strsep (&content, "\t");
+		if (!start[count]) {
+			error (0, 0,
+			       ngettext ("only %d field in content",
+					 "only %d fields in content", count),
+			       count);
+			gripe_corrupt_data ();
+		}
+	}
+
+	/* initialise pointer to Nth field (whatis) */
+	start[FIELDS - 1] = content;
+	if (!start[FIELDS - 1]) {
+		error (0, 0,
+		       ngettext ("only %d field in content",
+				 "only %d fields in content", FIELDS - 1),
+		       FIELDS - 1);
+		gripe_corrupt_data ();
+	}
+
+	return start;
+}
+
+/* Parse the db-returned data and put it into a mandata format */
+void split_content (char *cont_ptr, struct mandata *pinfo)
+{
+	char *start[FIELDS];
+	char **data;
+
+	data = split_data (cont_ptr, start);
+
+	pinfo->name = copy_if_set (*(data++));
+	pinfo->ext = *(data++);
+	pinfo->sec = *(data++);
+	pinfo->mtime.tv_sec = (time_t) atol (*(data++));
+	pinfo->mtime.tv_nsec = atol (*(data++));
+	pinfo->id = **(data++);				/* single char id */
+	pinfo->pointer = *(data++);
+	pinfo->filter = *(data++);
+	pinfo->comp = *(data++);
+	pinfo->whatis = *(data);
+
+	pinfo->addr = cont_ptr;
+	pinfo->next = (struct mandata *) NULL;
+}
+
+/* Extract all of the names/extensions associated with this key. Each case
+ * variant of a name will be returned separately.
+ *
+ * names and ext should be pointers to valid memory which will be filled in
+ * with the address of the allocated arrays of names and extensions. The
+ * caller is expected to free these arrays.
+ */
+int list_extensions (char *data, char ***names, char ***ext)
+{
+	int count = 0;
+	int bound = 4;	/* most multi keys will have fewer than this */
+
+	*names = xnmalloc (bound, sizeof **names);
+	*ext   = xnmalloc (bound, sizeof **ext);
+	while (((*names)[count] = strsep (&data, "\t")) != NULL) {
+		(*ext)[count] = strsep (&data, "\t");
+		if ((*ext)[count])
+			++count;
+		else
+			break;
+
+		if (count >= bound) {
+			bound *= 2;
+			*names = xnrealloc (*names, bound, sizeof **names);
+			*ext   = xnrealloc (*ext,   bound, sizeof **ext);
+		}
+	}
+
+	debug ("found %d names/extensions\n", count);
+	return count;
+}
+
+/* These should be bitwise-ored together. */
+#define ALL	    0
+#define	EXACT	    1
+#define MATCH_CASE  2
+
+/*
+ There are three possibilities on lookup:
+
+ 1) No data exists, lookup will fail, returned structure will be NULL.
+ 2) One data item exists. Item is returned as first in set of structures.
+ 3) Many items exist. They are all returned, in a multiple structure set.
+ */
+static struct mandata *dblookup (MYDBM_FILE dbf, const char *page,
+				 const char *section, int flags)
+{
+	struct mandata *info = NULL;
+	datum key, cont;
+
+	memset (&key, 0, sizeof key);
+	memset (&cont, 0, sizeof cont);
+
+	MYDBM_SET (key, name_to_key (page));
+	cont = MYDBM_FETCH (dbf, key);
+	MYDBM_FREE_DPTR (key);
+
+	if (MYDBM_DPTR (cont) == NULL) {	/* No entries at all */
+		return info;			/* indicate no entries */
+	} else if (*MYDBM_DPTR (cont) != '\t') {	/* Just one entry */
+		info = infoalloc ();
+		split_content (MYDBM_DPTR (cont), info);
+		if (!info->name)
+			info->name = xstrdup (page);
+		if (!(flags & MATCH_CASE) || STREQ (info->name, page)) {
+			if (section == NULL)
+				return info;
+			if (flags & EXACT) {
+				if (STREQ (section, info->ext))
+					return info;
+			} else {
+				if (STRNEQ (section, info->ext,
+					    strlen (section)))
+					return info;
+			}
+		}
+		free_mandata_struct (info);
+		return NULL;
+	} else {				/* multiple entries */
+		char **names, **ext;
+		struct mandata *ret = NULL;
+		int refs, i;
+
+		/* Extract all of the case-variant-names/extensions
+		 * associated with this key.
+		 */
+
+		refs = list_extensions (MYDBM_DPTR (cont) + 1, &names, &ext);
+
+		/* Make the multi keys and look them up */
+
+		for (i = 0; i < refs; ++i) {
+			datum multi_cont;
+
+			memset (&multi_cont, 0, sizeof multi_cont);
+
+			/* Decide whether this part of a multi key is
+			 * suitable.
+			 */
+
+			if ((flags & MATCH_CASE) && !STREQ (names[i], page))
+				continue;
+
+			if (section != NULL) {
+				if (flags & EXACT) {
+					if (!STREQ (section, ext[i]))
+						continue;
+				} else {
+					if (!STRNEQ (section, ext[i],
+						     strlen (section)))
+						continue;
+				}
+			}
+
+			/* So the key is suitable ... */
+			key = make_multi_key (names[i], ext[i]);
+			debug ("multi key lookup (%s)\n", MYDBM_DPTR (key));
+			multi_cont = MYDBM_FETCH (dbf, key);
+			if (MYDBM_DPTR (multi_cont) == NULL) {
+				error (0, 0, _("bad fetch on multi key %s"),
+				       MYDBM_DPTR (key));
+				gripe_corrupt_data ();
+			}
+			MYDBM_FREE_DPTR (key);
+
+			/* allocate info struct, fill it in and
+			   point info to the next in the list */
+			if (!ret)
+				ret = info = infoalloc ();
+			else
+				info = info->next = infoalloc ();
+			split_content (MYDBM_DPTR (multi_cont), info);
+			if (!info->name)
+				info->name = xstrdup (names[i]);
+		}
+
+		free (names);
+		free (ext);
+		MYDBM_FREE_DPTR (cont);
+		return ret;
+	}
+}
+
+struct mandata *dblookup_all (MYDBM_FILE dbf, const char *page,
+			      const char *section, int match_case)
+{
+	return dblookup (dbf, page, section,
+			 ALL | (match_case ? MATCH_CASE : 0));
+}
+
+struct mandata *dblookup_exact (MYDBM_FILE dbf, const char *page,
+				const char *section, int match_case)
+{
+	return dblookup (dbf, page, section,
+			 EXACT | (match_case ? MATCH_CASE : 0));
+}
+
+struct mandata *dblookup_pattern (MYDBM_FILE dbf, const char *pattern,
+				  const char *section, int match_case,
+				  int pattern_regex, int try_descriptions)
+{
+	struct mandata *ret = NULL, *tail = NULL;
+	datum key, cont;
+	regex_t preg;
+
+	if (pattern_regex)
+		xregcomp (&preg, pattern,
+			  REG_EXTENDED | REG_NOSUB |
+			  (match_case ? 0 : REG_ICASE));
+
+#ifndef BTREE
+	datum nextkey;
+
+	key = MYDBM_FIRSTKEY (dbf);
+	while (MYDBM_DPTR (key)) {
+		cont = MYDBM_FETCH (dbf, key);
+#else /* BTREE */
+	int end;
+
+	end = btree_nextkeydata (dbf, &key, &cont);
+	while (!end) {
+#endif /* !BTREE */
+		struct mandata info;
+		char *tab;
+		int got_match;
+
+		memset (&info, 0, sizeof (info));
+
+		if (!MYDBM_DPTR (cont))
+		{
+			debug ("key was %s\n", MYDBM_DPTR (key));
+			error (FATAL, 0,
+			       _("Database %s corrupted; rebuild with "
+				 "mandb --create"),
+			       database);
+		}
+
+		if (*MYDBM_DPTR (key) == '$')
+			goto nextpage;
+
+		if (*MYDBM_DPTR (cont) == '\t')
+			goto nextpage;
+
+		/* a real page */
+
+		split_content (MYDBM_DPTR (cont), &info);
+
+		/* If there's a section given, does it match either the
+		 * section or extension of this page?
+		 */
+		if (section &&
+		    (!STREQ (section, info.sec) && !STREQ (section, info.ext)))
+			goto nextpage;
+
+		tab = strrchr (MYDBM_DPTR (key), '\t');
+		if (tab) 
+			 *tab = '\0';
+
+		if (!info.name)
+			info.name = xstrdup (MYDBM_DPTR (key));
+
+		if (pattern_regex)
+			got_match = (regexec (&preg, info.name,
+					      0, NULL, 0) == 0);
+		else
+			got_match = fnmatch (pattern, info.name,
+					     match_case ? 0
+							: FNM_CASEFOLD) == 0;
+		if (try_descriptions && !got_match && info.whatis) {
+			if (pattern_regex)
+				got_match = (regexec (&preg, info.whatis,
+						      0, NULL, 0) == 0);
+			else
+				got_match = word_fnmatch (pattern,
+							  info.whatis);
+		}
+		if (!got_match)
+			goto nextpage_tab;
+
+		if (!ret)
+			ret = tail = infoalloc ();
+		else
+			tail = tail->next = infoalloc ();
+		memcpy (tail, &info, sizeof (info));
+		info.name = NULL; /* steal memory */
+		MYDBM_SET_DPTR (cont, NULL); /* == info.addr */
+
+nextpage_tab:
+		if (tab)
+			*tab = '\t';
+nextpage:
+#ifndef BTREE
+		nextkey = MYDBM_NEXTKEY (dbf, key);
+		MYDBM_FREE_DPTR (cont);
+		MYDBM_FREE_DPTR (key);
+		key = nextkey;
+#else /* BTREE */
+		MYDBM_FREE_DPTR (cont);
+		MYDBM_FREE_DPTR (key);
+		end = btree_nextkeydata (dbf, &key, &cont);
+#endif /* !BTREE */
+		info.addr = NULL;
+		free_mandata_elements (&info);
+	}
+
+	if (pattern_regex)
+		regfree (&preg);
+
+	return ret;
+}
diff --git a/libdb/db_ndbm.c b/libdb/db_ndbm.c
new file mode 100644
index 0000000..af97032
--- /dev/null
+++ b/libdb/db_ndbm.c
@@ -0,0 +1,128 @@
+/*
+ * db_ndbm.c: low level ndbm interface routines for man.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon Aug  8 20:35:30 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#ifdef NDBM
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <sys/file.h> /* for flock() */
+#include <sys/types.h> /* for open() */
+#include <sys/stat.h>
+
+#if HAVE_FCNTL_H
+#  include <fcntl.h>
+#endif
+
+#include <unistd.h>
+
+#include "stat-time.h"
+#include "timespec.h"
+#include "xvasprintf.h"
+
+#include "manconfig.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+/* release the lock and close the database */
+int ndbm_flclose (DBM *db)
+{
+	flock (dbm_dirfno (db), LOCK_UN);
+	dbm_close (db);
+	return 0;
+}
+
+/* open a ndbm type database, with file locking. */
+DBM* ndbm_flopen (char *filename, int flags, int mode)
+{
+	DBM *db;
+	int lock_op;
+	int lock_failed;
+
+	if (flags & ~O_RDONLY) {
+		/* flags includes O_RDWR or O_WRONLY, need an exclusive lock */
+		lock_op = LOCK_EX | LOCK_NB;
+	} else {
+		lock_op = LOCK_SH | LOCK_NB;
+	}
+
+	if (flags & O_TRUNC) {
+		/* opening the db is destructive, need to lock first */
+		char *dir_fname;
+		int dir_fd;
+
+		db = NULL;
+		lock_failed = 1;
+		dir_fname = xasprintf ("%s.dir", filename);
+		dir_fd = open (dir_fname, flags & ~O_TRUNC, mode);
+		free (dir_fname);
+		if (dir_fd != -1) {
+			if (!(lock_failed = flock (dir_fd, lock_op)))
+				db = dbm_open (filename, flags, mode);
+			close (dir_fd);
+		}
+	} else {
+		db = dbm_open (filename, flags, mode);
+		if (db)
+			lock_failed = flock (dbm_dirfno (db), lock_op);
+	}
+
+	if (!db)
+		return NULL;
+
+	if (lock_failed) {
+		gripe_lock (filename);
+		dbm_close (db);
+		return NULL;
+	}
+
+	return db;
+}
+
+struct timespec ndbm_get_time (DBM *db)
+{
+	struct stat st;
+
+	if (fstat (dbm_dirfno (db), &st) < 0) {
+		struct timespec t;
+		t.tv_sec = -1;
+		t.tv_nsec = -1;
+		return t;
+	}
+	return get_stat_mtime (&st);
+}
+
+void ndbm_set_time (DBM *db, const struct timespec time)
+{
+	struct timespec times[2];
+
+	times[0] = time;
+	times[1] = time;
+	futimens (dbm_dirfno (db), times);
+}
+
+#endif /* NDBM */
diff --git a/libdb/db_storage.h b/libdb/db_storage.h
new file mode 100644
index 0000000..6db37bb
--- /dev/null
+++ b/libdb/db_storage.h
@@ -0,0 +1,104 @@
+/*
+ * db_storage.h: define mandata structure, some macros and prototypes
+ *  
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2002, 2003, 2007, 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Sat Oct 29 13:09:31 GMT 1994  Wilf. (G.Wilford@ee.surrey.ac.uk) 
+ */
+
+#ifndef DB_STORAGE_H
+#define DB_STORAGE_H
+
+/* These definitions give an inherent precedence to each particular type
+   of manual page:
+   
+   ULT_MAN:	ultimate manual page, the full source nroff file.
+   SO_MAN:	source nroff file containing .so request to an ULT_MAN.
+   WHATIS_MAN:	virtual `whatis referenced' page pointing to an ULT_MAN.
+   STRAY_CAT:	pre-formatted manual page with no source.
+   WHATIS_CAT:  virtual `whatis referenced' page pointing to a STRAY_CAT. */
+
+/* WHATIS_MAN and WHATIS_CAT are deprecated. */
+
+#define ULT_MAN		'A'
+#define SO_MAN		'B'
+#define WHATIS_MAN	'C'
+#define STRAY_CAT	'D'
+#define WHATIS_CAT	'E'
+
+#define FIELDS  10      /* No of fields in each database page `content' */
+
+#include "timespec.h"
+
+#include "xalloc.h"
+
+#include "mydbm.h"
+
+struct mandata {
+	struct mandata *next;		/* ptr to next structure, if any */
+	char *addr;			/* ptr to memory containing the fields */
+
+	char *name;			/* Name of page, if != key */
+
+	/* The following are all const because they should be pointers to
+	 * parts of strings allocated elsewhere (often the addr field above)
+	 * and should not be written through or freed themselves.
+	 */
+	const char *ext;		/* Filename ext w/o comp ext */
+	const char *sec;		/* Section name/number */
+	char id;			/* id for this entry */
+	const char *pointer;		/* id related file pointer */
+	const char *comp;		/* Compression extension */
+	const char *filter;		/* filters needed for the page */
+	const char *whatis;		/* whatis description for page */
+	struct timespec mtime;		/* mod time for file */
+}; 
+
+/* used by the world */
+extern struct mandata *dblookup_all (MYDBM_FILE dbf, const char *page,
+				     const char *section, int match_case);
+extern struct mandata *dblookup_exact (MYDBM_FILE dbf, const char *page,
+				       const char *section, int match_case);
+extern struct mandata *dblookup_pattern (MYDBM_FILE dbf, const char *page,
+					 const char *section, int match_case,
+					 int pattern_regex,
+					 int try_descriptions);
+extern int dbstore (MYDBM_FILE dbf, struct mandata *in, const char *base);
+extern int dbdelete (MYDBM_FILE dbf, const char *name, struct mandata *in);
+extern void dbprintf (const struct mandata *info);
+extern void free_mandata_elements (struct mandata *pinfo);
+extern void free_mandata_struct (struct mandata *pinfo);
+extern void split_content (char *cont_ptr, struct mandata *pinfo);
+extern int compare_ids (char a, char b, int promote_links);
+
+/* local to db routines */
+extern void gripe_lock (char *filename);
+extern void gripe_corrupt_data (void);
+extern datum make_multi_key (const char *page, const char *ext);
+
+/* allocate a mandata structure */
+#define infoalloc() XZALLOC (struct mandata)
+
+extern char *name_to_key (const char *name);
+extern int list_extensions (char *data, char ***names, char ***ext);
+extern void gripe_replace_key (const char *data);
+extern const char *dash_if_unset (const char *str);
+
+#endif
diff --git a/libdb/db_store.c b/libdb/db_store.c
new file mode 100644
index 0000000..062db71
--- /dev/null
+++ b/libdb/db_store.c
@@ -0,0 +1,369 @@
+/*
+ * db_store.c: dbstore(), database storage routine.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002 Colin Watson.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon Aug  8 20:35:30 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "timespec.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "error.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+/* compare_ids(a,b) is negative if id 'a' is preferred to id 'b', i.e. if
+ * 'a' is a more canonical database entry than 'b'; positive if 'b' is
+ * preferred to 'a'; and zero if they are equivalent. This usually goes in
+ * comparison order, but there's a special exception when FAVOUR_STRAYCATS
+ * is set.
+ *
+ * If promote_links is true, consider SO_MAN equivalent to ULT_MAN. This is
+ * appropriate when sorting candidate pages for display.
+ */
+int compare_ids (char a, char b, int promote_links)
+{
+#ifdef FAVOUR_STRAYCATS
+	if (a == WHATIS_MAN && b == STRAY_CAT)
+		return 1;
+	else if (a == STRAY_CAT && b == WHATIS_MAN)
+		return -1;
+#endif
+
+	if (promote_links) {
+		if ((a == ULT_MAN && b == SO_MAN) ||
+		    (a == SO_MAN && b == ULT_MAN))
+			return 0;
+	}
+
+	if (a < b)
+		return -1;
+	else if (a > b)
+		return 1;
+	else
+		return 0;
+}
+
+/* The do_we_replace logic. Decide, for some existing key, whether it should
+ * be replaced with some new contents. Check that names and section
+ * extensions match before calling this.
+ */
+static int replace_if_necessary (MYDBM_FILE dbf,
+				 struct mandata *newdata,
+				 struct mandata *olddata,
+				 datum newkey, datum newcont)
+{
+	/* It's OK to replace ULT_MAN with SO_MAN if the mtime is newer. It
+	 * isn't OK to replace a real page (either ULT_MAN or SO_MAN) with a
+	 * whatis reference; if the real page really went away then
+	 * purge_missing will catch that in time, but a real page that still
+	 * exists should always take precedence.
+	 */
+	if (compare_ids (newdata->id, olddata->id, 1) <= 0 &&
+	    timespec_cmp (newdata->mtime, olddata->mtime) > 0) {
+		debug ("replace_if_necessary(): newer mtime; replacing\n");
+		if (MYDBM_REPLACE (dbf, newkey, newcont))
+			gripe_replace_key (MYDBM_DPTR (newkey));
+		return 0;
+	}
+
+	if (compare_ids (newdata->id, olddata->id, 0) < 0) {
+		if (MYDBM_REPLACE (dbf, newkey, newcont))
+			gripe_replace_key (MYDBM_DPTR (newkey));
+		return 0;
+	}
+
+	/* TODO: name fields should be collated with the requested name */
+
+	if (newdata->id == olddata->id) {
+		if (STREQ (dash_if_unset (newdata->comp), olddata->comp))
+			return 0; /* same file */
+		else {
+			debug ("ignoring differing compression "
+			       "extensions: %s\n", MYDBM_DPTR (newkey));
+			return 1; /* differing exts */
+		}
+	}
+
+	debug ("ignoring differing ids: %s\n", MYDBM_DPTR (newkey));
+	return 0;
+}
+
+/* The complement of split_content */
+static datum make_content (struct mandata *in)
+{
+	datum cont;
+	static const char dash[] = "-";
+
+	memset (&cont, 0, sizeof cont);
+
+	if (!in->pointer)
+		in->pointer = dash;
+	if (!in->filter)
+		in->filter = dash;
+	if (!in->comp)
+		in->comp = dash;
+	if (!in->whatis)
+		in->whatis = dash + 1;
+
+	MYDBM_SET (cont, xasprintf (
+		"%s\t%s\t%s\t%ld\t%ld\t%c\t%s\t%s\t%s\t%s",
+		dash_if_unset (in->name),
+		in->ext,
+		in->sec,
+		(long) in->mtime.tv_sec,
+		(long) in->mtime.tv_nsec,
+		in->id,
+		in->pointer,
+		in->filter,
+		in->comp,
+		in->whatis));
+
+#ifdef NDBM
+	/* limit of 4096 bytes of data using ndbm */
+	if (MYDBM_DSIZE (cont) > 4095) {
+		MYDBM_DPTR (cont)[4095] = '\0';
+		MYDBM_DSIZE (cont) = 4096;
+	}
+#endif
+	return cont;
+}
+
+/*
+ Any one of three situations can occur when storing some data.
+
+ 1) no simple key is found.
+ 	store as singular reference.
+ 2) simple key already exists, content starts with a '\t'.
+ 	Already multiple reference. Add our new item in multiple format
+ 	and update the simple key content, to point to our new one also.
+ 3) simple key already exists, content does not start with a '\t'.
+ 	First we have to reformat the simple key into a multi key for the
+ 	old item, and insert. Then we have to insert the new data as a
+ 	multi key. Lastly we must create the simple key and do a replace
+ 	on it.
+
+ Use precedence algorithm on inserts. If we already have a key assigned
+ to the new value, check priority of page using id. If new page is higher
+ (lower value), replace old with new, otherwise ignore new page.
+
+ If we have two ULT_MAN pages competing for the same key, we must have
+ more than one of foo.sec, foo.sec.comp1, foo.sec.comp2. OR we have a
+ replacement page. If the mtimes differ, throw out the old struct and
+ replace it with the new, if the comp exts differ, oops, this is bad,
+ keep one and return appropriate error code.
+
+ If we have two WHATIS_MAN pages or a WHATIS_MAN and a SO_MAN page
+ competing for the same key, don't worry. This will happen a lot and is
+ not a problem.
+
+ return errorcode or 0 on success.
+*/
+int dbstore (MYDBM_FILE dbf, struct mandata *in, const char *base)
+{
+	datum oldkey, oldcont;
+
+	memset (&oldkey, 0, sizeof oldkey);
+	memset (&oldcont, 0, sizeof oldcont);
+
+	/* create a simple key */
+	MYDBM_SET (oldkey, name_to_key (base));
+ 	if (!*base) {
+		dbprintf (in);
+ 		return 2;
+ 	}
+
+	if (in->name) {
+		error (0, 0, "in->name (%s) should not be set when calling "
+			     "dbstore()!\n",
+		       in->name);
+		free (in->name);
+		in->name = NULL;
+	}
+
+	/* get the content for the simple key */
+
+	oldcont = MYDBM_FETCH (dbf, oldkey);
+
+	if (MYDBM_DPTR (oldcont) == NULL) { 		/* situation (1) */
+		if (!STREQ (base, MYDBM_DPTR (oldkey)))
+			in->name = xstrdup (base);
+		oldcont = make_content (in);
+		if (MYDBM_REPLACE (dbf, oldkey, oldcont))
+			gripe_replace_key (MYDBM_DPTR (oldkey));
+		MYDBM_FREE_DPTR (oldcont);
+		free (in->name);
+		in->name = NULL;
+	} else if (*MYDBM_DPTR (oldcont) == '\t') { 	/* situation (2) */
+		datum newkey, newcont;
+
+		memset (&newkey, 0, sizeof newkey);
+		memset (&newcont, 0, sizeof newcont);
+
+		newkey = make_multi_key (base, in->ext);
+		newcont = make_content (in);
+
+		/* Try to insert the new multi data */
+
+		if (MYDBM_INSERT (dbf, newkey, newcont)) {
+			datum cont;
+			struct mandata info;
+			int ret;
+
+			MYDBM_FREE_DPTR (oldcont);
+			cont = MYDBM_FETCH (dbf, newkey);
+			split_content (MYDBM_DPTR (cont), &info);
+			ret = replace_if_necessary (dbf, in, &info,
+						    newkey, newcont);
+			/* MYDBM_FREE_DPTR (cont); */
+			free_mandata_elements (&info);
+			MYDBM_FREE_DPTR (newkey);
+			MYDBM_FREE_DPTR (newcont);
+			MYDBM_FREE_DPTR (oldkey);
+
+			return ret;
+		}
+
+		/* Now lets add some info to the simple key's cont. */
+
+		/* This next bit needs to be done first as we'll wipe out
+		   MYDBM_DPTR (oldcont) otherwise (for NDBM only!) */
+
+		MYDBM_FREE_DPTR (newkey);
+		MYDBM_FREE_DPTR (newcont);
+
+		MYDBM_SET (newcont, xasprintf (
+			"%s\t%s\t%s", MYDBM_DPTR (oldcont), base, in->ext));
+		MYDBM_FREE_DPTR (oldcont);
+
+		/* Try to replace the old simple data with the new stuff */
+
+		if (MYDBM_REPLACE (dbf, oldkey, newcont))
+			gripe_replace_key (MYDBM_DPTR (oldkey));
+
+		MYDBM_FREE_DPTR (newcont);
+	} else { 				/* situation (3) */
+		datum newkey, newcont, lastkey, lastcont;
+		struct mandata old;
+		char *old_name;
+
+		memset (&newkey, 0, sizeof newkey);
+		memset (&newcont, 0, sizeof newcont);
+		memset (&lastkey, 0, sizeof lastkey);
+		memset (&lastcont, 0, sizeof lastcont);
+
+		/* Extract the old singular reference */
+
+		split_content (MYDBM_DPTR (oldcont), &old);
+
+		/* Create multi keys for both old
+		   and new items, create new content */
+
+		if (old.name)
+			old_name = xstrdup (old.name);
+		else
+			old_name = xstrdup (MYDBM_DPTR (oldkey));
+
+		lastkey = make_multi_key (old_name, old.ext);
+
+		/* Check against identical multi keys before inserting
+		   into db */
+
+		if (STREQ (old_name, base) && STREQ (old.ext, in->ext)) {
+			int ret;
+
+			if (!STREQ (base, MYDBM_DPTR (oldkey)))
+				in->name = xstrdup (base);
+			newcont = make_content (in);
+			ret = replace_if_necessary (dbf, in, &old,
+						    oldkey, newcont);
+			/* MYDBM_FREE_DPTR (oldcont); */
+			free_mandata_elements (&old);
+			MYDBM_FREE_DPTR (newcont);
+			MYDBM_FREE_DPTR (lastkey);
+			MYDBM_FREE_DPTR (oldkey);
+			free (old_name);
+			free (in->name);
+			in->name = NULL;
+
+			return ret;
+		}
+
+		/* Multi keys use the proper case, and so don't need a name
+		 * field.
+		 */
+		if (old.name) {
+			free (old.name);
+			old.name = NULL;
+		}
+
+		lastcont = make_content (&old);
+
+		/* We always replace here; if the multi key already exists
+		 * in the database, then that indicates some kind of
+		 * database corruption, but our new multi key is almost
+		 * certainly better.
+		 */
+		if (MYDBM_REPLACE (dbf, lastkey, lastcont))
+			gripe_replace_key (MYDBM_DPTR (lastkey));
+
+		MYDBM_FREE_DPTR (lastkey);
+		MYDBM_FREE_DPTR (lastcont);
+
+		newkey = make_multi_key (base, in->ext);
+		newcont = make_content (in);
+
+		if (MYDBM_REPLACE (dbf, newkey, newcont))
+			gripe_replace_key (MYDBM_DPTR (newkey));
+
+		MYDBM_FREE_DPTR (newkey);
+		MYDBM_FREE_DPTR (newcont);
+
+		/* Now build a simple reference to the above two items */
+
+		MYDBM_SET (newcont, xasprintf (
+			"\t%s\t%s\t%s\t%s", old_name, old.ext, base, in->ext));
+
+		if (MYDBM_REPLACE (dbf, oldkey, newcont))
+			gripe_replace_key (MYDBM_DPTR (oldkey));
+
+		/* MYDBM_FREE_DPTR (oldcont); */
+		free_mandata_elements (&old);
+		MYDBM_FREE_DPTR (newcont);
+		free (old_name);
+	}
+
+	MYDBM_FREE_DPTR (oldkey);
+	return 0;
+}
diff --git a/libdb/db_ver.c b/libdb/db_ver.c
new file mode 100644
index 0000000..5ac306d
--- /dev/null
+++ b/libdb/db_ver.c
@@ -0,0 +1,83 @@
+/*
+ * dbver.c: code to read, write and identify the database version no.
+ *
+ * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.)
+ * Copyright (C) 2001, 2002 Colin Watson.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Mon Aug 18 20:35:30 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk)
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "error.h"
+
+#include "mydbm.h"
+
+int dbver_rd (MYDBM_FILE dbfile)
+{
+	datum key, content;
+
+	memset (&key, 0, sizeof key);
+
+	MYDBM_SET (key, xstrdup (VER_KEY));
+
+	content = MYDBM_FETCH (dbfile, key);
+
+	MYDBM_FREE_DPTR (key);
+
+	if (MYDBM_DPTR (content) == NULL) {
+		debug (_("warning: %s has no version identifier\n"), database);
+		return 1;
+	} else if (!STREQ (MYDBM_DPTR (content), VER_ID)) {
+		debug (_("warning: %s is version %s, expecting %s\n"),
+		       database, MYDBM_DPTR (content), VER_ID);
+		MYDBM_FREE_DPTR (content);
+		return 1;
+	} else {
+		MYDBM_FREE_DPTR (content);
+		return 0;
+	}
+}
+
+void dbver_wr (MYDBM_FILE dbfile)
+{
+	datum key, content;
+
+	memset (&key, 0, sizeof key);
+	memset (&content, 0, sizeof content);
+
+	MYDBM_SET (key, xstrdup (VER_KEY));
+	MYDBM_SET (content, xstrdup (VER_ID));
+
+	if (MYDBM_INSERT (dbfile, key, content) != 0)
+		error (FATAL, 0,
+		       _("fatal: unable to insert version identifier into %s"),
+		       database);
+
+	MYDBM_FREE_DPTR (key);
+	MYDBM_FREE_DPTR (content);
+}
diff --git a/libdb/mydbm.h b/libdb/mydbm.h
new file mode 100644
index 0000000..567e96a
--- /dev/null
+++ b/libdb/mydbm.h
@@ -0,0 +1,189 @@
+/*
+ * mydbm.h: database interface definitions and prototypes.
+ *
+ * Copyright (C) 1994, 1995, Graeme W. Wilford. (Wilf.)
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Header file to make programming independent of db type used
+ *
+ * Currently satisfies:
+ *
+ *	*hash based* 
+ *		GNU dbm: 	(gdbm & ndbm)
+ *		Berkeley db: 	(ndbm)
+ *		`native': 	(ndbm)
+ *
+ *	*binary tree based*
+ *		Berkeley db: 	(BTREE)
+ *
+ * Tue Apr 26 12:56:44 BST 1994  Wilf. (G.Wilford@ee.surrey.ac.uk) 
+ */
+
+#ifndef MYDBM_H
+# define MYDBM_H
+
+# include "timespec.h"
+
+# if defined(GDBM) && !defined(NDBM) && !defined(BTREE)
+
+#  include <gdbm.h>
+
+#  ifndef HAVE_GDBM_EXISTS
+extern int gdbm_exists (GDBM_FILE db, datum key);
+#  endif /* !HAVE_GDBM_EXISTS */
+
+/* gdbm_nextkey() is not lexicographically sorted, so we need to keep the
+ * filename around to use as a hash key.
+ */
+typedef struct {
+	char *name;
+	GDBM_FILE file;
+} *man_gdbm_wrapper;
+
+man_gdbm_wrapper man_gdbm_open_wrapper (const char *name, int flags);
+datum man_gdbm_firstkey (man_gdbm_wrapper wrap);
+datum man_gdbm_nextkey (man_gdbm_wrapper wrap, datum key);
+struct timespec man_gdbm_get_time (man_gdbm_wrapper wrap);
+void man_gdbm_set_time (man_gdbm_wrapper wrap, const struct timespec time);
+void man_gdbm_close (man_gdbm_wrapper wrap);
+
+#  define BLK_SIZE			0  /* to invoke normal fs block size */
+#  define DB_EXT				".db"
+#  define MYDBM_FILE 			man_gdbm_wrapper
+#  define MYDBM_DPTR(d)			((d).dptr)
+#  define MYDBM_SET_DPTR(d, value)	((d).dptr = (value))
+#  define MYDBM_DSIZE(d)		((d).dsize)
+#  define MYDBM_CTRWOPEN(file)		\
+	man_gdbm_open_wrapper(file, GDBM_NEWDB|GDBM_FAST)
+#  define MYDBM_CRWOPEN(file)		\
+	man_gdbm_open_wrapper(file, GDBM_WRCREAT|GDBM_FAST)
+#  define MYDBM_RWOPEN(file)		\
+	man_gdbm_open_wrapper(file, GDBM_WRITER|GDBM_FAST)
+#  define MYDBM_RDOPEN(file)		\
+	man_gdbm_open_wrapper(file, GDBM_READER)
+#  define MYDBM_INSERT(db, key, cont)	gdbm_store((db)->file, key, cont, GDBM_INSERT)
+#  define MYDBM_REPLACE(db, key, cont) 	gdbm_store((db)->file, key, cont, GDBM_REPLACE)
+#  define MYDBM_EXISTS(db, key)		gdbm_exists((db)->file, key)
+#  define MYDBM_DELETE(db, key)		gdbm_delete((db)->file, key)
+#  define MYDBM_FETCH(db, key)		gdbm_fetch((db)->file, key)
+#  define MYDBM_CLOSE(db)		man_gdbm_close(db)
+#  define MYDBM_FIRSTKEY(db)		man_gdbm_firstkey(db)
+#  define MYDBM_NEXTKEY(db, key)		man_gdbm_nextkey(db, key)
+#  define MYDBM_GET_TIME(db)		man_gdbm_get_time(db)
+#  define MYDBM_SET_TIME(db, time)	man_gdbm_set_time(db, time)
+#  define MYDBM_REORG(db)		gdbm_reorganize((db)->file)
+
+# elif defined(NDBM) && !defined(GDBM) && !defined(BTREE)
+
+#  include <ndbm.h>
+
+#  if HAVE_FCNTL_H
+#   include <fcntl.h>
+#  endif
+
+/* Berkeley db routines emulate ndbm but don't add .dir & .pag, just .db! */
+#  ifdef _DB_H_ /* has Berkeley db.h been included? */
+#   define BERKELEY_DB
+#  endif /* _DB_H_ */
+
+extern DBM *ndbm_flopen(char *file, int flags, int mode);
+extern struct timespec ndbm_get_time(DBM *db);
+extern void ndbm_set_time(DBM *db, const struct timespec time);
+extern int ndbm_flclose(DBM *db);
+
+#  define DB_EXT				""
+#  define MYDBM_FILE 			DBM*
+#  define MYDBM_DPTR(d)			((d).dptr)
+#  define MYDBM_SET_DPTR(d, value)	((d).dptr = (value))
+#  define MYDBM_DSIZE(d)		((d).dsize)
+#  define MYDBM_CTRWOPEN(file)		ndbm_flopen(file, O_TRUNC|O_CREAT|O_RDWR, DBMODE)
+#  define MYDBM_CRWOPEN(file)             ndbm_flopen(file, O_CREAT|O_RDWR, DBMODE)
+#  define MYDBM_RWOPEN(file)		ndbm_flopen(file, O_RDWR, DBMODE)
+#  define MYDBM_RDOPEN(file)		ndbm_flopen(file, O_RDONLY, DBMODE)
+#  define MYDBM_INSERT(db, key, cont)	dbm_store(db, key, cont, DBM_INSERT)
+#  define MYDBM_REPLACE(db, key, cont)   dbm_store(db, key, cont, DBM_REPLACE)
+#  define MYDBM_EXISTS(db, key)		(dbm_fetch(db, key).dptr != NULL)
+#  define MYDBM_DELETE(db, key)		dbm_delete(db, key)
+#  define MYDBM_FETCH(db, key) 		copy_datum(dbm_fetch(db, key))
+#  define MYDBM_CLOSE(db)		ndbm_flclose(db)
+#  define MYDBM_FIRSTKEY(db)		copy_datum(dbm_firstkey(db))
+#  define MYDBM_NEXTKEY(db, key)		copy_datum(dbm_nextkey(db))
+#  define MYDBM_GET_TIME(db)		ndbm_get_time(db)
+#  define MYDBM_SET_TIME(db, time)	ndbm_set_time(db, time)
+#  define MYDBM_REORG(db)		/* nothing - not implemented */
+
+# elif defined(BTREE) && !defined(NDBM) && !defined(GDBM)
+
+#  include <sys/types.h>
+#  include <fcntl.h>
+#  include <limits.h>
+#  include BDB_H
+
+typedef DBT datum;
+
+extern DB *btree_flopen(char *filename, int flags, int mode);
+extern int btree_close(DB *db);
+extern int btree_exists(DB *db, datum key);
+extern datum btree_fetch(DB *db, datum key);
+extern int btree_insert(DB *db, datum key, datum cont);
+extern datum btree_firstkey(DB *db);
+extern datum btree_nextkey(DB *db);
+extern int btree_replace(DB *db, datum key, datum content);
+extern int btree_nextkeydata(DB *db, datum *key, datum *cont);
+extern struct timespec btree_get_time(DB *db);
+extern void btree_set_time(DB *db, const struct timespec time);
+
+#  define DB_EXT			".bt"
+#  define MYDBM_FILE			DB*
+#  define MYDBM_DPTR(d)			((char *) (d).data)
+#  define MYDBM_SET_DPTR(d, value)	((d).data = (char *) (value))
+#  define MYDBM_DSIZE(d)		((d).size)
+#  define MYDBM_CTRWOPEN(file)		btree_flopen(file, O_TRUNC|O_CREAT|O_RDWR, DBMODE)
+#  define MYDBM_CRWOPEN(file)             btree_flopen(file, O_CREAT|O_RDWR, DBMODE)
+#  define MYDBM_RWOPEN(file)		btree_flopen(file, O_RDWR, DBMODE)
+#  define MYDBM_RDOPEN(file)		btree_flopen(file, O_RDONLY, DBMODE)
+#  define MYDBM_INSERT(db, key, cont)	btree_insert(db, key, cont)
+#  define MYDBM_REPLACE(db, key, cont)	btree_replace(db, key, cont)
+#  define MYDBM_EXISTS(db, key)		btree_exists(db, key)
+#  define MYDBM_DELETE(db, key)		((db->del)(db, &key, 0) ? -1 : 0)
+#  define MYDBM_FETCH(db, key)		btree_fetch(db, key)
+#  define MYDBM_CLOSE(db)		btree_close(db)
+#  define MYDBM_FIRSTKEY(db)		btree_firstkey(db)
+#  define MYDBM_NEXTKEY(db, key)	btree_nextkey(db)
+#  define MYDBM_GET_TIME(db)		btree_get_time(db)
+#  define MYDBM_SET_TIME(db, time)	btree_set_time(db, time)
+#  define MYDBM_REORG(db)		/* nothing - not implemented */
+
+# else /* not GDBM or NDBM or BTREE */
+#  error Define either GDBM, NDBM or BTREE before including mydbm.h
+# endif /* not GDBM or NDBM or BTREE */
+
+#define MYDBM_RESET_DSIZE(d)		(MYDBM_DSIZE(d) = strlen(MYDBM_DPTR(d)) + 1)
+#define MYDBM_SET(d, value)		do { MYDBM_SET_DPTR(d, value); MYDBM_RESET_DSIZE(d); } while (0)
+#define MYDBM_FREE_DPTR(d)		do { free (MYDBM_DPTR (d)); MYDBM_SET_DPTR (d, NULL); } while (0)
+
+extern char *database;
+
+/* db_lookup.c */
+extern datum copy_datum (datum dat);
+
+/* db_ver.c */
+extern void dbver_wr(MYDBM_FILE dbfile);
+extern int dbver_rd(MYDBM_FILE dbfile);
+
+#endif /* MYDBM_H */