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-rw-r--r--libdb/Makefile.am49
-rw-r--r--libdb/Makefile.in1953
-rw-r--r--libdb/README7
-rw-r--r--libdb/db_btree.c285
-rw-r--r--libdb/db_delete.c142
-rw-r--r--libdb/db_gdbm.c168
-rw-r--r--libdb/db_lookup.c518
-rw-r--r--libdb/db_ndbm.c163
-rw-r--r--libdb/db_storage.h111
-rw-r--r--libdb/db_store.c366
-rw-r--r--libdb/db_ver.c84
-rw-r--r--libdb/db_xdbm.c169
-rw-r--r--libdb/db_xdbm.h40
-rw-r--r--libdb/mydbm.h200
14 files changed, 4255 insertions, 0 deletions
diff --git a/libdb/Makefile.am b/libdb/Makefile.am
new file mode 100644
index 0000000..2851dfa
--- /dev/null
+++ b/libdb/Makefile.am
@@ -0,0 +1,49 @@
+## 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
+
+AM_CFLAGS = $(WARN_CFLAGS)
+
+libmandb_la_CPPFLAGS = \
+ -I$(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 \
+ db_xdbm.c \
+ db_xdbm.h \
+ mydbm.h
+
+libmandb_la_LIBADD = ../lib/libman.la $(DBLIBS)
+
+libmandb_la_LDFLAGS = \
+ -avoid-version -release $(VERSION) -rpath $(pkglibdir) -no-undefined
diff --git a/libdb/Makefile.in b/libdb/Makefile.in
new file mode 100644
index 0000000..9ec16c4
--- /dev/null
+++ b/libdb/Makefile.in
@@ -0,0 +1,1953 @@
+# Makefile.in generated by automake 1.16.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
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+am__is_gnu_make = { \
+ if test -z '$(MAKELEVEL)'; then \
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+GNULIB_WCSCHR = @GNULIB_WCSCHR@
+GNULIB_WCSCMP = @GNULIB_WCSCMP@
+GNULIB_WCSCOLL = @GNULIB_WCSCOLL@
+GNULIB_WCSCPY = @GNULIB_WCSCPY@
+GNULIB_WCSCSPN = @GNULIB_WCSCSPN@
+GNULIB_WCSDUP = @GNULIB_WCSDUP@
+GNULIB_WCSFTIME = @GNULIB_WCSFTIME@
+GNULIB_WCSLEN = @GNULIB_WCSLEN@
+GNULIB_WCSNCASECMP = @GNULIB_WCSNCASECMP@
+GNULIB_WCSNCAT = @GNULIB_WCSNCAT@
+GNULIB_WCSNCMP = @GNULIB_WCSNCMP@
+GNULIB_WCSNCPY = @GNULIB_WCSNCPY@
+GNULIB_WCSNLEN = @GNULIB_WCSNLEN@
+GNULIB_WCSNRTOMBS = @GNULIB_WCSNRTOMBS@
+GNULIB_WCSPBRK = @GNULIB_WCSPBRK@
+GNULIB_WCSRCHR = @GNULIB_WCSRCHR@
+GNULIB_WCSRTOMBS = @GNULIB_WCSRTOMBS@
+GNULIB_WCSSPN = @GNULIB_WCSSPN@
+GNULIB_WCSSTR = @GNULIB_WCSSTR@
+GNULIB_WCSTOK = @GNULIB_WCSTOK@
+GNULIB_WCSWIDTH = @GNULIB_WCSWIDTH@
+GNULIB_WCSXFRM = @GNULIB_WCSXFRM@
+GNULIB_WCTOB = @GNULIB_WCTOB@
+GNULIB_WCTOMB = @GNULIB_WCTOMB@
+GNULIB_WCTRANS = @GNULIB_WCTRANS@
+GNULIB_WCTYPE = @GNULIB_WCTYPE@
+GNULIB_WCWIDTH = @GNULIB_WCWIDTH@
+GNULIB_WMEMCHR = @GNULIB_WMEMCHR@
+GNULIB_WMEMCMP = @GNULIB_WMEMCMP@
+GNULIB_WMEMCPY = @GNULIB_WMEMCPY@
+GNULIB_WMEMMOVE = @GNULIB_WMEMMOVE@
+GNULIB_WMEMPCPY = @GNULIB_WMEMPCPY@
+GNULIB_WMEMSET = @GNULIB_WMEMSET@
+GNULIB_WRITE = @GNULIB_WRITE@
+GNULIB__EXIT = @GNULIB__EXIT@
+GREP = @GREP@
+HAVE_ACCEPT4 = @HAVE_ACCEPT4@
+HAVE_ALLOCA_H = @HAVE_ALLOCA_H@
+HAVE_ALPHASORT = @HAVE_ALPHASORT@
+HAVE_ATOLL = @HAVE_ATOLL@
+HAVE_BTOWC = @HAVE_BTOWC@
+HAVE_C99_STDINT_H = @HAVE_C99_STDINT_H@
+HAVE_CANONICALIZE_FILE_NAME = @HAVE_CANONICALIZE_FILE_NAME@
+HAVE_CHOWN = @HAVE_CHOWN@
+HAVE_CLOSEDIR = @HAVE_CLOSEDIR@
+HAVE_COPY_FILE_RANGE = @HAVE_COPY_FILE_RANGE@
+HAVE_CRTDEFS_H = @HAVE_CRTDEFS_H@
+HAVE_DECL_DIRFD = @HAVE_DECL_DIRFD@
+HAVE_DECL_ENVIRON = @HAVE_DECL_ENVIRON@
+HAVE_DECL_FCHDIR = @HAVE_DECL_FCHDIR@
+HAVE_DECL_FDATASYNC = @HAVE_DECL_FDATASYNC@
+HAVE_DECL_FDOPENDIR = @HAVE_DECL_FDOPENDIR@
+HAVE_DECL_FPURGE = @HAVE_DECL_FPURGE@
+HAVE_DECL_FSEEKO = @HAVE_DECL_FSEEKO@
+HAVE_DECL_FTELLO = @HAVE_DECL_FTELLO@
+HAVE_DECL_GETDELIM = @HAVE_DECL_GETDELIM@
+HAVE_DECL_GETDOMAINNAME = @HAVE_DECL_GETDOMAINNAME@
+HAVE_DECL_GETLINE = @HAVE_DECL_GETLINE@
+HAVE_DECL_GETLOADAVG = @HAVE_DECL_GETLOADAVG@
+HAVE_DECL_GETLOGIN = @HAVE_DECL_GETLOGIN@
+HAVE_DECL_GETLOGIN_R = @HAVE_DECL_GETLOGIN_R@
+HAVE_DECL_GETPAGESIZE = @HAVE_DECL_GETPAGESIZE@
+HAVE_DECL_GETUSERSHELL = @HAVE_DECL_GETUSERSHELL@
+HAVE_DECL_IMAXABS = @HAVE_DECL_IMAXABS@
+HAVE_DECL_IMAXDIV = @HAVE_DECL_IMAXDIV@
+HAVE_DECL_INITSTATE = @HAVE_DECL_INITSTATE@
+HAVE_DECL_LOCALTIME_R = @HAVE_DECL_LOCALTIME_R@
+HAVE_DECL_MEMMEM = @HAVE_DECL_MEMMEM@
+HAVE_DECL_MEMRCHR = @HAVE_DECL_MEMRCHR@
+HAVE_DECL_OBSTACK_PRINTF = @HAVE_DECL_OBSTACK_PRINTF@
+HAVE_DECL_SETENV = @HAVE_DECL_SETENV@
+HAVE_DECL_SETHOSTNAME = @HAVE_DECL_SETHOSTNAME@
+HAVE_DECL_SETSTATE = @HAVE_DECL_SETSTATE@
+HAVE_DECL_SNPRINTF = @HAVE_DECL_SNPRINTF@
+HAVE_DECL_STRDUP = @HAVE_DECL_STRDUP@
+HAVE_DECL_STRERROR_R = @HAVE_DECL_STRERROR_R@
+HAVE_DECL_STRNCASECMP = @HAVE_DECL_STRNCASECMP@
+HAVE_DECL_STRNDUP = @HAVE_DECL_STRNDUP@
+HAVE_DECL_STRNLEN = @HAVE_DECL_STRNLEN@
+HAVE_DECL_STRSIGNAL = @HAVE_DECL_STRSIGNAL@
+HAVE_DECL_STRTOIMAX = @HAVE_DECL_STRTOIMAX@
+HAVE_DECL_STRTOK_R = @HAVE_DECL_STRTOK_R@
+HAVE_DECL_STRTOUMAX = @HAVE_DECL_STRTOUMAX@
+HAVE_DECL_TRUNCATE = @HAVE_DECL_TRUNCATE@
+HAVE_DECL_TTYNAME_R = @HAVE_DECL_TTYNAME_R@
+HAVE_DECL_UNSETENV = @HAVE_DECL_UNSETENV@
+HAVE_DECL_VSNPRINTF = @HAVE_DECL_VSNPRINTF@
+HAVE_DECL_WCTOB = @HAVE_DECL_WCTOB@
+HAVE_DECL_WCWIDTH = @HAVE_DECL_WCWIDTH@
+HAVE_DIRENT_H = @HAVE_DIRENT_H@
+HAVE_DPRINTF = @HAVE_DPRINTF@
+HAVE_DUP2 = @HAVE_DUP2@
+HAVE_DUP3 = @HAVE_DUP3@
+HAVE_DUPLOCALE = @HAVE_DUPLOCALE@
+HAVE_EUIDACCESS = @HAVE_EUIDACCESS@
+HAVE_EXPLICIT_BZERO = @HAVE_EXPLICIT_BZERO@
+HAVE_FACCESSAT = @HAVE_FACCESSAT@
+HAVE_FCHDIR = @HAVE_FCHDIR@
+HAVE_FCHMODAT = @HAVE_FCHMODAT@
+HAVE_FCHOWNAT = @HAVE_FCHOWNAT@
+HAVE_FCNTL = @HAVE_FCNTL@
+HAVE_FDATASYNC = @HAVE_FDATASYNC@
+HAVE_FDOPENDIR = @HAVE_FDOPENDIR@
+HAVE_FEATURES_H = @HAVE_FEATURES_H@
+HAVE_FFS = @HAVE_FFS@
+HAVE_FFSL = @HAVE_FFSL@
+HAVE_FFSLL = @HAVE_FFSLL@
+HAVE_FLOCK = @HAVE_FLOCK@
+HAVE_FNMATCH = @HAVE_FNMATCH@
+HAVE_FNMATCH_H = @HAVE_FNMATCH_H@
+HAVE_FREELOCALE = @HAVE_FREELOCALE@
+HAVE_FSEEKO = @HAVE_FSEEKO@
+HAVE_FSTATAT = @HAVE_FSTATAT@
+HAVE_FSYNC = @HAVE_FSYNC@
+HAVE_FTELLO = @HAVE_FTELLO@
+HAVE_FTRUNCATE = @HAVE_FTRUNCATE@
+HAVE_FUTIMENS = @HAVE_FUTIMENS@
+HAVE_GETDTABLESIZE = @HAVE_GETDTABLESIZE@
+HAVE_GETENTROPY = @HAVE_GETENTROPY@
+HAVE_GETGROUPS = @HAVE_GETGROUPS@
+HAVE_GETHOSTNAME = @HAVE_GETHOSTNAME@
+HAVE_GETLOGIN = @HAVE_GETLOGIN@
+HAVE_GETOPT_H = @HAVE_GETOPT_H@
+HAVE_GETPAGESIZE = @HAVE_GETPAGESIZE@
+HAVE_GETPASS = @HAVE_GETPASS@
+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_IMAXDIV_T = @HAVE_IMAXDIV_T@
+HAVE_INITSTATE = @HAVE_INITSTATE@
+HAVE_INTTYPES_H = @HAVE_INTTYPES_H@
+HAVE_ISBLANK = @HAVE_ISBLANK@
+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_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_MBTOWC = @HAVE_MBTOWC@
+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_SETSTATE = @HAVE_SETSTATE@
+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_STRTOLD = @HAVE_STRTOLD@
+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_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_VISIBILITY = @HAVE_VISIBILITY@
+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_WMEMPCPY = @HAVE_WMEMPCPY@
+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@
+INT32_MAX_LT_INTMAX_MAX = @INT32_MAX_LT_INTMAX_MAX@
+INT64_MAX_EQ_LONG_MAX = @INT64_MAX_EQ_LONG_MAX@
+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@
+LIBPMULTITHREAD = @LIBPMULTITHREAD@
+LIBPTHREAD = @LIBPTHREAD@
+LIBS = @LIBS@
+LIBSOCKET = @LIBSOCKET@
+LIBSTDTHREAD = @LIBSTDTHREAD@
+LIBTHREAD = @LIBTHREAD@
+LIBTOOL = @LIBTOOL@
+LIB_CLOCK_GETTIME = @LIB_CLOCK_GETTIME@
+LIB_GETLOGIN = @LIB_GETLOGIN@
+LIB_HARD_LOCALE = @LIB_HARD_LOCALE@
+LIB_MBRTOWC = @LIB_MBRTOWC@
+LIB_NANOSLEEP = @LIB_NANOSLEEP@
+LIB_NL_LANGINFO = @LIB_NL_LANGINFO@
+LIB_SCHED_YIELD = @LIB_SCHED_YIELD@
+LIB_SELECT = @LIB_SELECT@
+LIB_SETLOCALE_NULL = @LIB_SETLOCALE_NULL@
+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@
+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_CTYPE_H = @NEXT_AS_FIRST_DIRECTIVE_CTYPE_H@
+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_INTTYPES_H = @NEXT_AS_FIRST_DIRECTIVE_INTTYPES_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_CTYPE_H = @NEXT_CTYPE_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@
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+ db_gdbm.c \
+ db_lookup.c \
+ db_ndbm.c \
+ db_storage.h \
+ db_store.c \
+ db_ver.c \
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+ db_xdbm.h \
+ mydbm.h
+
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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)"; \
+ }
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+ -rm -f ./$(DEPDIR)/libmandb_la-db_ndbm.Plo
+ -rm -f ./$(DEPDIR)/libmandb_la-db_store.Plo
+ -rm -f ./$(DEPDIR)/libmandb_la-db_ver.Plo
+ -rm -f ./$(DEPDIR)/libmandb_la-db_xdbm.Plo
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-pkglibLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.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 \
+ distclean-generic distclean-libtool distclean-tags distdir dvi \
+ dvi-am html html-am info info-am install install-am \
+ install-data install-data-am install-dvi install-dvi-am \
+ install-exec install-exec-am install-html install-html-am \
+ install-info install-info-am install-man install-pdf \
+ install-pdf-am install-pkglibLTLIBRARIES install-ps \
+ install-ps-am install-strip installcheck installcheck-am \
+ installdirs maintainer-clean maintainer-clean-generic \
+ mostlyclean mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+ uninstall-am uninstall-pkglibLTLIBRARIES
+
+.PRECIOUS: Makefile
+
+
+# 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..917e286
--- /dev/null
+++ b/libdb/db_btree.c
@@ -0,0 +1,285 @@
+/*
+ * 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 <fcntl.h>
+#include <unistd.h>
+
+#include <sys/file.h> /* for flock() */
+#include <sys/types.h> /* for open() */
+#include <sys/stat.h>
+
+#include "gl_hash_set.h"
+#include "gl_xset.h"
+#include "stat-time.h"
+#include "timespec.h"
+
+#include "manconfig.h"
+
+#include "error.h"
+#include "glcontainers.h"
+
+#include "mydbm.h"
+#include "db_storage.h"
+
+gl_set_t loop_check;
+
+/* 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 */
+void man_btree_close (man_btree_wrapper wrap)
+{
+ if (!wrap)
+ return;
+
+ free (wrap->name);
+ (void) flock ((wrap->file->fd) (wrap->file), LOCK_UN);
+ (wrap->file->close) (wrap->file);
+ free (wrap);
+}
+
+/* open a btree type database, with file locking. */
+man_btree_wrapper man_btree_open (const char *name, int flags, int mode)
+{
+ man_btree_wrapper wrap;
+ DB *file;
+ 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 (name, &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;
+
+ file = NULL;
+ lock_failed = 1;
+ fd = open (name, flags & ~O_TRUNC, mode);
+ if (fd != -1) {
+ if (!(lock_failed = flock (fd, lock_op)))
+ file = dbopen (name, flags, mode,
+ DB_BTREE, &b);
+ close (fd);
+ }
+ } else {
+ file = dbopen (name, flags, mode, DB_BTREE, &b);
+ if (file)
+ lock_failed = flock ((file->fd) (file), lock_op);
+ }
+
+ if (!file)
+ return NULL;
+
+ if (lock_failed) {
+ gripe_lock (name);
+ (file->close) (file);
+ return NULL;
+ }
+
+ wrap = xmalloc (sizeof *wrap);
+ wrap->name = xstrdup (name);
+ wrap->file = file;
+
+ return wrap;
+}
+
+/* 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 man_btree_replace (man_btree_wrapper wrap, datum key, datum cont)
+{
+ return (wrap->file->put) (wrap->file, (DBT *) &key, (DBT *) &cont, 0);
+}
+
+int man_btree_insert (man_btree_wrapper wrap, datum key, datum cont)
+{
+ return (wrap->file->put) (wrap->file, (DBT *) &key, (DBT *) &cont,
+ R_NOOVERWRITE);
+}
+
+/* generic fetch routine for the btree database */
+datum man_btree_fetch (man_btree_wrapper wrap, datum key)
+{
+ datum data;
+
+ memset (&data, 0, sizeof data);
+
+ if ((wrap->file->get) (wrap->file, (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 man_btree_exists (man_btree_wrapper wrap, datum key)
+{
+ datum data;
+ return ((wrap->file->get) (wrap->file, (DBT *) &key, (DBT *) &data,
+ 0) ? 0 : 1);
+}
+
+/* initiate a sequential access */
+static datum man_btree_findkey (man_btree_wrapper wrap, u_int flags)
+{
+ datum key, data;
+ char *loop_check_key;
+
+ memset (&key, 0, sizeof key);
+ memset (&data, 0, sizeof data);
+
+ if (flags == R_FIRST) {
+ if (loop_check) {
+ gl_set_free (loop_check);
+ loop_check = NULL;
+ }
+ }
+ if (!loop_check)
+ loop_check = new_string_set (GL_HASH_SET);
+
+ if (((wrap->file->seq) (wrap->file, (DBT *) &key, (DBT *) &data,
+ flags))) {
+ memset (&key, 0, sizeof key);
+ return key;
+ }
+
+ loop_check_key = xstrndup (MYDBM_DPTR (key), MYDBM_DSIZE (key));
+ if (gl_set_search (loop_check, loop_check_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);
+ free (loop_check_key);
+ return key;
+ }
+
+ gl_set_add (loop_check, loop_check_key);
+
+ return copy_datum (key);
+}
+
+/* return the first key in the db */
+datum man_btree_firstkey (man_btree_wrapper wrap)
+{
+ return man_btree_findkey (wrap, R_FIRST);
+}
+
+/* return the next key in the db. NB. This routine only works if the cursor
+ has been previously set by man_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 man_btree_nextkey (man_btree_wrapper wrap)
+{
+ return man_btree_findkey (wrap, R_NEXT);
+}
+
+/* compound nextkey routine, initialising key and content */
+int man_btree_nextkeydata (man_btree_wrapper wrap, datum *key, datum *cont)
+{
+ int status;
+
+ if ((status = (wrap->file->seq) (wrap->file, (DBT *) key, (DBT *) cont,
+ R_NEXT)) != 0)
+ return status;
+
+ *key = copy_datum (*key);
+ *cont = copy_datum (*cont);
+
+ return 0;
+}
+
+struct timespec man_btree_get_time (man_btree_wrapper wrap)
+{
+ struct stat st;
+
+ if (fstat ((wrap->file->fd) (wrap->file), &st) < 0) {
+ struct timespec t;
+ t.tv_sec = -1;
+ t.tv_nsec = -1;
+ return t;
+ }
+ return get_stat_mtime (&st);
+}
+
+void man_btree_set_time (man_btree_wrapper wrap, const struct timespec time)
+{
+ struct timespec times[2];
+
+ times[0] = time;
+ times[1] = time;
+ futimens ((wrap->file->fd) (wrap->file), times);
+}
+
+#endif /* BTREE */
diff --git a/libdb/db_delete.c b/libdb/db_delete.c
new file mode 100644
index 0000000..24ce1d8
--- /dev/null
+++ b/libdb/db_delete.c
@@ -0,0 +1,142 @@
+/*
+ * 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 "error.h"
+#include "gl_list.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "glcontainers.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 */
+ gl_list_t refs;
+ struct name_ext this_ref, *ref;
+ size_t this_index;
+ char *multi_content = NULL;
+ datum multi_key;
+
+ /* Extract all of the extensions associated with
+ this key */
+
+ refs = list_extensions (MYDBM_DPTR (cont) + 1);
+
+ this_ref.name = name;
+ this_ref.ext = info->ext;
+ this_index = gl_list_indexof (refs, &this_ref);
+
+ if (this_index == (size_t) -1) {
+ gl_list_free (refs);
+ MYDBM_FREE_DPTR (cont);
+ MYDBM_FREE_DPTR (key);
+ return NO_ENTRY;
+ }
+
+ multi_key = make_multi_key (name, info->ext);
+ if (!MYDBM_EXISTS (dbf, multi_key)) {
+ error (0, 0,
+ _( "multi key %s does not exist"),
+ MYDBM_DPTR (multi_key));
+ gripe_corrupt_data (dbf);
+ }
+ MYDBM_DELETE (dbf, multi_key);
+ MYDBM_FREE_DPTR (multi_key);
+ gl_list_remove_at (refs, this_index);
+
+ /* If all manual pages with this name have been deleted,
+ we'll have to remove the key too. */
+
+ if (!gl_list_size (refs)) {
+ gl_list_free (refs);
+ MYDBM_FREE_DPTR (cont);
+ MYDBM_DELETE (dbf, key);
+ MYDBM_FREE_DPTR (key);
+ return 0;
+ }
+
+ /* create our new multi content */
+ GL_LIST_FOREACH_START (refs, ref)
+ multi_content = appendstr (multi_content,
+ "\t", ref->name,
+ "\t", ref->ext,
+ (void *) 0);
+ GL_LIST_FOREACH_END (refs);
+
+ MYDBM_FREE_DPTR (cont);
+ MYDBM_SET (cont, multi_content);
+ if (MYDBM_REPLACE (dbf, key, cont))
+ gripe_replace_key (dbf, MYDBM_DPTR (key));
+
+ gl_list_free (refs);
+ }
+
+ MYDBM_FREE_DPTR (key);
+ return 0;
+}
diff --git a/libdb/db_gdbm.c b/libdb/db_gdbm.c
new file mode 100644
index 0000000..1062f35
--- /dev/null
+++ b/libdb/db_gdbm.c
@@ -0,0 +1,168 @@
+/*
+ * 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 "cleanup.h"
+
+#include "db_xdbm.h"
+#include "mydbm.h"
+
+/* 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 datum unsorted_firstkey (man_gdbm_wrapper wrap)
+{
+ return gdbm_firstkey (wrap->file);
+}
+
+static datum unsorted_nextkey (man_gdbm_wrapper wrap, datum key)
+{
+ return gdbm_nextkey (wrap->file, key);
+}
+
+datum man_gdbm_firstkey (man_gdbm_wrapper wrap)
+{
+ return man_xdbm_firstkey (wrap, unsorted_firstkey, unsorted_nextkey);
+}
+
+datum man_gdbm_nextkey (man_gdbm_wrapper wrap, datum key)
+{
+ return man_xdbm_nextkey (wrap, 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);
+}
+
+static void raw_close (man_gdbm_wrapper wrap)
+{
+ gdbm_close (wrap->file);
+}
+
+void man_gdbm_close (man_gdbm_wrapper wrap)
+{
+ man_xdbm_close (wrap, raw_close);
+}
+
+#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..9ff72d6
--- /dev/null
+++ b/libdb/db_lookup.c
@@ -0,0 +1,518 @@
+/*
+ * 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 <stdbool.h>
+#include <stdio.h>
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "error.h"
+#include "fnmatch.h"
+#include "gl_array_list.h"
+#include "gl_xlist.h"
+#include "regex.h"
+#include "xvasprintf.h"
+
+#include "gettext.h"
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "glcontainers.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 (const char *filename)
+{
+ error (0, errno, _("can't lock index cache %s"), filename);
+}
+#endif /* NDBM || BTREE */
+
+/* issue fatal message, then exit */
+void gripe_corrupt_data (MYDBM_FILE dbf)
+{
+ error (FATAL, 0, _("index cache %s corrupt"), dbf->name);
+}
+
+/* deal with situation where we cannot replace a key */
+void gripe_replace_key (MYDBM_FILE dbf, const char *data)
+{
+ error (0, 0, _("cannot replace key %s"), data);
+ gripe_corrupt_data (dbf);
+}
+
+static char *copy_if_set (const char *str)
+{
+ if (STREQ (str, "-"))
+ return NULL;
+ else
+ return xstrdup (str);
+}
+
+const char * _GL_ATTRIBUTE_CONST 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 */
+}
+
+/* Free a mandata structure and its elements. */
+void free_mandata_struct (struct mandata *pinfo)
+{
+ if (pinfo)
+ free_mandata_elements (pinfo);
+ free (pinfo);
+}
+
+/* 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)
+{
+ char *low, *p;
+
+ p = low = xmalloc (strlen (name) + 1);
+ while (*name)
+ *p++ = CTYPE (tolower, *name++);
+ *p = *name;
+ return low;
+}
+
+/* return char ptr array to the data's fields */
+static char **split_data (MYDBM_FILE dbf, 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 (dbf);
+ }
+ }
+
+ /* 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 (dbf);
+ }
+
+ return start;
+}
+
+/* Parse the db-returned data and put it into a mandata format */
+void split_content (MYDBM_FILE dbf, char *cont_ptr, struct mandata *pinfo)
+{
+ char *start[FIELDS];
+ char **data;
+
+ data = split_data (dbf, 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;
+}
+
+static bool name_ext_equals (const void *elt1, const void *elt2)
+{
+ const struct name_ext *ref1 = elt1, *ref2 = elt2;
+ return STREQ (ref1->name, ref2->name) && STREQ (ref1->ext, ref2->ext);
+}
+
+/* Extract all of the names/extensions associated with this key. Each case
+ * variant of a name will be returned separately.
+ *
+ * This returns a newly-allocated list of struct name_ext, which the caller
+ * is expected to free.
+ */
+gl_list_t list_extensions (char *data)
+{
+ gl_list_t list = gl_list_create_empty (GL_ARRAY_LIST, name_ext_equals,
+ NULL, plain_free, true);
+ char *name;
+
+ while ((name = strsep (&data, "\t")) != NULL) {
+ char *ext;
+ struct name_ext *name_ext;
+
+ ext = strsep (&data, "\t");
+ if (!ext)
+ break;
+
+ name_ext = XMALLOC (struct name_ext);
+ /* Don't copy these; they will point into the given string. */
+ name_ext->name = name;
+ name_ext->ext = ext;
+ gl_list_add_last (list, name_ext);
+ }
+
+ debug ("found %zu names/extensions\n", gl_list_size (list));
+ return list;
+}
+
+/* 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, zero-length list will be returned.
+ 2) One data item exists. Item is returned as first in list of structures.
+ 3) Many items exist. They are all returned, in a multiple structure list.
+ */
+static gl_list_t dblookup (MYDBM_FILE dbf, const char *page,
+ const char *section, int flags)
+{
+ gl_list_t infos;
+ struct mandata *info = NULL;
+ datum key, cont;
+
+ infos = gl_list_create_empty (GL_ARRAY_LIST, NULL, NULL,
+ (gl_listelement_dispose_fn)
+ free_mandata_struct,
+ true);
+
+ 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 */
+ ;
+ else if (*MYDBM_DPTR (cont) != '\t') { /* Just one entry */
+ bool matches = false;
+
+ info = infoalloc ();
+ split_content (dbf, MYDBM_DPTR (cont), info);
+ if (!info->name)
+ info->name = xstrdup (page);
+ if (!(flags & MATCH_CASE) || STREQ (info->name, page)) {
+ if (section == NULL)
+ matches = true;
+ else if (flags & EXACT) {
+ if (STREQ (section, info->ext))
+ matches = true;
+ } else {
+ if (STRNEQ (section, info->ext,
+ strlen (section)))
+ matches = true;
+ }
+ }
+ if (matches)
+ gl_list_add_last (infos, info);
+ else
+ free_mandata_struct (info);
+ } else { /* Multiple entries */
+ gl_list_t refs;
+ struct name_ext *ref;
+
+ /* Extract all of the case-variant-names/extensions
+ * associated with this key.
+ */
+
+ refs = list_extensions (MYDBM_DPTR (cont) + 1);
+
+ /* Make the multi keys and look them up */
+
+ GL_LIST_FOREACH_START (refs, ref) {
+ 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 (ref->name, page))
+ continue;
+
+ if (section != NULL) {
+ if (flags & EXACT) {
+ if (!STREQ (section, ref->ext))
+ continue;
+ } else {
+ if (!STRNEQ (section, ref->ext,
+ strlen (section)))
+ continue;
+ }
+ }
+
+ /* So the key is suitable ... */
+ key = make_multi_key (ref->name, ref->ext);
+ 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 (dbf);
+ }
+ MYDBM_FREE_DPTR (key);
+
+ /* Allocate info struct and add it to the list. */
+ info = infoalloc ();
+ split_content (dbf, MYDBM_DPTR (multi_cont), info);
+ if (!info->name)
+ info->name = xstrdup (ref->name);
+ gl_list_add_last (infos, info);
+ } GL_LIST_FOREACH_END (refs);
+
+ gl_list_free (refs);
+ MYDBM_FREE_DPTR (cont);
+ }
+
+ return infos;
+}
+
+gl_list_t dblookup_all (MYDBM_FILE dbf, const char *page,
+ const char *section, bool 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, bool match_case)
+{
+ gl_list_t infos = dblookup (dbf, page, section,
+ EXACT | (match_case ? MATCH_CASE : 0));
+ struct mandata *info = NULL;
+
+ if (gl_list_size (infos)) {
+ /* Return the first item and free the rest of the list. */
+ info = (struct mandata *) gl_list_get_at (infos, 0);
+ gl_list_set_at (infos, 0, NULL); /* steal memory */
+ }
+ gl_list_free (infos);
+ return info;
+}
+
+gl_list_t dblookup_pattern (MYDBM_FILE dbf, const char *pattern,
+ const char *section, bool match_case,
+ bool pattern_regex, bool try_descriptions)
+{
+ gl_list_t infos;
+ struct mandata *tail = NULL;
+ datum key, cont;
+ regex_t preg;
+
+ infos = gl_list_create_empty (GL_ARRAY_LIST, NULL, NULL,
+ (gl_listelement_dispose_fn)
+ free_mandata_struct,
+ true);
+
+ 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 = man_btree_nextkeydata (dbf, &key, &cont);
+ while (!end) {
+#endif /* !BTREE */
+ struct mandata info;
+ char *tab;
+ bool 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"),
+ dbf->name);
+ }
+
+ if (*MYDBM_DPTR (key) == '$')
+ goto nextpage;
+
+ if (*MYDBM_DPTR (cont) == '\t')
+ goto nextpage;
+
+ /* a real page */
+
+ split_content (dbf, 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;
+
+ tail = infoalloc ();
+ memcpy (tail, &info, sizeof (info));
+ info.name = NULL; /* steal memory */
+ MYDBM_SET_DPTR (cont, NULL); /* == info.addr */
+ gl_list_add_last (infos, tail);
+
+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 = man_btree_nextkeydata (dbf, &key, &cont);
+#endif /* !BTREE */
+ info.addr = NULL;
+ free_mandata_elements (&info);
+ }
+
+ if (pattern_regex)
+ regfree (&preg);
+
+ return infos;
+}
diff --git a/libdb/db_ndbm.c b/libdb/db_ndbm.c
new file mode 100644
index 0000000..64000c1
--- /dev/null
+++ b/libdb/db_ndbm.c
@@ -0,0 +1,163 @@
+/*
+ * 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 <fcntl.h>
+#include <unistd.h>
+
+#include <sys/file.h> /* for flock() */
+#include <sys/types.h> /* for open() */
+#include <sys/stat.h>
+
+#include "stat-time.h"
+#include "timespec.h"
+#include "xvasprintf.h"
+
+#include "manconfig.h"
+
+#include "db_storage.h"
+#include "db_xdbm.h"
+#include "mydbm.h"
+
+/* release the lock and close the database */
+static void raw_close (man_ndbm_wrapper wrap)
+{
+ flock (dbm_dirfno (wrap->file), LOCK_UN);
+ dbm_close (wrap->file);
+}
+
+void man_ndbm_close (man_ndbm_wrapper wrap)
+{
+ man_xdbm_close (wrap, raw_close);
+}
+
+/* open a ndbm type database, with file locking. */
+man_ndbm_wrapper man_ndbm_open (const char *name, int flags, int mode)
+{
+ man_ndbm_wrapper wrap;
+ char *name_copy;
+ DBM *file;
+ 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;
+ }
+
+ /* At least GDBM's version of dbm_open declares the file name
+ * parameter as non-const. This is probably incorrect, but take a
+ * copy just in case.
+ */
+ name_copy = xstrdup (name);
+
+ if (flags & O_TRUNC) {
+ /* opening the db is destructive, need to lock first */
+ char *dir_fname;
+ int dir_fd;
+
+ file = NULL;
+ lock_failed = 1;
+ dir_fname = xasprintf ("%s.dir", name);
+ dir_fd = open (dir_fname, flags & ~O_TRUNC, mode);
+ free (dir_fname);
+ if (dir_fd != -1) {
+ if (!(lock_failed = flock (dir_fd, lock_op)))
+ file = dbm_open (name_copy, flags, mode);
+ close (dir_fd);
+ }
+ } else {
+ file = dbm_open (name_copy, flags, mode);
+ if (file)
+ lock_failed = flock (dbm_dirfno (file), lock_op);
+ }
+
+ free (name_copy);
+
+ if (!file)
+ return NULL;
+
+ if (lock_failed) {
+ gripe_lock (name);
+ dbm_close (file);
+ return NULL;
+ }
+
+ wrap = xmalloc (sizeof *wrap);
+ wrap->name = xstrdup (name);
+ wrap->file = file;
+
+ return wrap;
+}
+
+static datum unsorted_firstkey (man_ndbm_wrapper wrap)
+{
+ return copy_datum (dbm_firstkey (wrap->file));
+}
+
+static datum unsorted_nextkey (man_ndbm_wrapper wrap, datum key _GL_UNUSED)
+{
+ return copy_datum (dbm_nextkey (wrap->file));
+}
+
+datum man_ndbm_firstkey (man_ndbm_wrapper wrap)
+{
+ return man_xdbm_firstkey (wrap, unsorted_firstkey, unsorted_nextkey);
+}
+
+datum man_ndbm_nextkey (man_ndbm_wrapper wrap, datum key)
+{
+ return man_xdbm_nextkey (wrap, key);
+}
+
+struct timespec man_ndbm_get_time (man_ndbm_wrapper wrap)
+{
+ struct stat st;
+
+ if (fstat (dbm_dirfno (wrap->file), &st) < 0) {
+ struct timespec t;
+ t.tv_sec = -1;
+ t.tv_nsec = -1;
+ return t;
+ }
+ return get_stat_mtime (&st);
+}
+
+void man_ndbm_set_time (man_ndbm_wrapper wrap, const struct timespec time)
+{
+ struct timespec times[2];
+
+ times[0] = time;
+ times[1] = time;
+ futimens (dbm_dirfno (wrap->file), times);
+}
+
+#endif /* NDBM */
diff --git a/libdb/db_storage.h b/libdb/db_storage.h
new file mode 100644
index 0000000..c6d412f
--- /dev/null
+++ b/libdb/db_storage.h
@@ -0,0 +1,111 @@
+/*
+ * 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
+
+#include "gl_list.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 {
+ 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 */
+};
+
+struct name_ext {
+ const char *name;
+ const char *ext;
+};
+
+/* used by the world */
+extern gl_list_t dblookup_all (MYDBM_FILE dbf, const char *page,
+ const char *section, bool match_case);
+extern struct mandata *dblookup_exact (MYDBM_FILE dbf, const char *page,
+ const char *section, bool match_case);
+extern gl_list_t dblookup_pattern (MYDBM_FILE dbf, const char *page,
+ const char *section, bool match_case,
+ bool pattern_regex, bool 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 (MYDBM_FILE dbf, 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 (const char *filename);
+extern void gripe_corrupt_data (MYDBM_FILE dbf);
+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);
+/* Returns a list of struct name_ext. */
+extern gl_list_t list_extensions (char *data);
+extern void gripe_replace_key (MYDBM_FILE dbf, 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..508a41a
--- /dev/null
+++ b/libdb/db_store.c
@@ -0,0 +1,366 @@
+/*
+ * 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 "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 _GL_ATTRIBUTE_CONST 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 (dbf, MYDBM_DPTR (newkey));
+ return 0;
+ }
+
+ if (compare_ids (newdata->id, olddata->id, 0) < 0) {
+ if (MYDBM_REPLACE (dbf, newkey, newcont))
+ gripe_replace_key (dbf, 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 (dbf, 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 (dbf, 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 (dbf, 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 (dbf, 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 (dbf, 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 (dbf, 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 (dbf, 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..56b7339
--- /dev/null
+++ b/libdb/db_ver.c
@@ -0,0 +1,84 @@
+/*
+ * 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"),
+ dbfile->name);
+ return 1;
+ } else if (!STREQ (MYDBM_DPTR (content), VER_ID)) {
+ debug (_("warning: %s is version %s, expecting %s\n"),
+ dbfile->name, 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"),
+ dbfile->name);
+
+ MYDBM_FREE_DPTR (key);
+ MYDBM_FREE_DPTR (content);
+}
diff --git a/libdb/db_xdbm.c b/libdb/db_xdbm.c
new file mode 100644
index 0000000..f0a9932
--- /dev/null
+++ b/libdb/db_xdbm.c
@@ -0,0 +1,169 @@
+/*
+ * db_xdbm.c: common code for gdbm and ndbm backends
+ *
+ * Copyright (C) 2003-2019 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
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#if defined(GDBM) || defined(NDBM)
+
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "gl_hash_map.h"
+#include "gl_rbtree_list.h"
+#include "gl_xlist.h"
+#include "gl_xmap.h"
+#include "hash-pjw-bare.h"
+
+#include "manconfig.h"
+
+#include "cleanup.h"
+#include "glcontainers.h"
+
+#include "db_xdbm.h"
+#include "mydbm.h"
+
+static gl_map_t parent_keys;
+
+static int datum_compare (const void *a, const void *b)
+{
+ const datum *left = (const datum *) a;
+ const datum *right = (const datum *) b;
+ int cmp;
+ size_t minsize;
+
+ /* Sentinel NULL elements sort to the end. */
+ if (!MYDBM_DPTR (*left))
+ return 1;
+ else if (!MYDBM_DPTR (*right))
+ return -1;
+
+ if (MYDBM_DSIZE (*left) < MYDBM_DSIZE (*right))
+ minsize = MYDBM_DSIZE (*left);
+ else
+ minsize = MYDBM_DSIZE (*right);
+ cmp = strncmp (MYDBM_DPTR (*left), MYDBM_DPTR (*right), minsize);
+ if (cmp)
+ return cmp;
+ else if (MYDBM_DSIZE (*left) < MYDBM_DSIZE (*right))
+ return 1;
+ else if (MYDBM_DSIZE (*left) > MYDBM_DSIZE (*right))
+ return -1;
+ else
+ return 0;
+}
+
+static bool datum_equals (const void *a, const void *b)
+{
+ return datum_compare (a, b) == 0;
+}
+
+static size_t datum_hash (const void *value)
+{
+ const datum *d = value;
+ return hash_pjw_bare (MYDBM_DPTR (*d), MYDBM_DSIZE (*d));
+}
+
+static void datum_free (const void *value)
+{
+ MYDBM_FREE_DPTR (*(datum *) value);
+}
+
+static datum empty_datum = { NULL, 0 };
+
+/* We keep a map of filenames to sorted lists of keys. Each list is stored
+ * using a hash-based implementation that allows lookup by name and
+ * traversal to the next item in O(log n) time, which is necessary for a
+ * reasonable ordered implementation of nextkey.
+ */
+datum man_xdbm_firstkey (MYDBM_FILE dbf,
+ man_xdbm_unsorted_firstkey unsorted_firstkey,
+ man_xdbm_unsorted_nextkey unsorted_nextkey)
+{
+ gl_list_t keys;
+ datum *key;
+
+ /* Build the raw sorted list of keys. */
+ keys = gl_list_create_empty (GL_RBTREE_LIST, datum_equals, datum_hash,
+ datum_free, false);
+ key = XMALLOC (datum);
+ *key = unsorted_firstkey (dbf);
+ while (MYDBM_DPTR (*key)) {
+ datum *next;
+
+ gl_sortedlist_add (keys, datum_compare, key);
+ next = XMALLOC (datum);
+ *next = unsorted_nextkey (dbf, *key);
+ key = next;
+ }
+
+ if (!parent_keys) {
+ parent_keys = new_string_map (GL_HASH_MAP,
+ (gl_listelement_dispose_fn)
+ gl_list_free);
+ push_cleanup ((cleanup_fun) gl_map_free, parent_keys, 0);
+ }
+
+ /* Remember this structure for use by nextkey. */
+ gl_map_put (parent_keys, xstrdup (dbf->name), keys);
+
+ if (gl_list_size (keys))
+ return copy_datum (*(datum *) gl_list_get_at (keys, 0));
+ else
+ return empty_datum;
+}
+
+datum man_xdbm_nextkey (MYDBM_FILE dbf, datum key)
+{
+ gl_list_t keys;
+ gl_list_node_t node, next_node;
+
+ if (!parent_keys)
+ return empty_datum;
+ keys = (gl_list_t) gl_map_get (parent_keys, dbf->name);
+ if (!keys)
+ return empty_datum;
+
+ node = gl_sortedlist_search (keys, datum_compare, &key);
+ if (!node)
+ return empty_datum;
+ next_node = gl_list_next_node (keys, node);
+ if (!next_node)
+ return empty_datum;
+
+ return copy_datum (*(datum *) gl_list_node_value (keys, next_node));
+}
+
+void man_xdbm_close (MYDBM_FILE dbf, man_xdbm_raw_close raw_close)
+{
+ if (!dbf)
+ return;
+
+ if (parent_keys)
+ gl_map_remove (parent_keys, dbf->name);
+
+ free (dbf->name);
+ raw_close (dbf);
+ free (dbf);
+}
+
+#endif /* GDBM || NDBM */
diff --git a/libdb/db_xdbm.h b/libdb/db_xdbm.h
new file mode 100644
index 0000000..9d7f4bf
--- /dev/null
+++ b/libdb/db_xdbm.h
@@ -0,0 +1,40 @@
+/*
+ * db_xdbm.c: interface to common code for gdbm and ndbm backends
+ *
+ * Copyright (C) 2019 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
+ */
+
+#ifndef MAN_XDBM_H
+#define MAN_XDBM_H
+
+#if defined(GDBM) || defined(NDBM)
+
+#include "mydbm.h"
+
+typedef datum (*man_xdbm_unsorted_firstkey) (MYDBM_FILE dbf);
+typedef datum (*man_xdbm_unsorted_nextkey) (MYDBM_FILE dbf, datum key);
+typedef void (*man_xdbm_raw_close) (MYDBM_FILE dbf);
+
+datum man_xdbm_firstkey (MYDBM_FILE dbf,
+ man_xdbm_unsorted_firstkey firstkey,
+ man_xdbm_unsorted_nextkey nextkey);
+datum man_xdbm_nextkey (MYDBM_FILE dbf, datum key);
+void man_xdbm_close (MYDBM_FILE dbf, man_xdbm_raw_close raw_close);
+
+#endif /* GDBM || NDBM */
+
+#endif /* MAN_XDBM_H */
diff --git a/libdb/mydbm.h b/libdb/mydbm.h
new file mode 100644
index 0000000..31f1d75
--- /dev/null
+++ b/libdb/mydbm.h
@@ -0,0 +1,200 @@
+/*
+ * 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 <fcntl.h>
+# include <ndbm.h>
+
+/* 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_ */
+
+typedef struct {
+ char *name;
+ DBM *file;
+} *man_ndbm_wrapper;
+
+extern man_ndbm_wrapper man_ndbm_open (const char *name, int flags, int mode);
+extern datum man_ndbm_firstkey (man_ndbm_wrapper wrap);
+extern datum man_ndbm_nextkey (man_ndbm_wrapper wrap, datum key);
+extern struct timespec man_ndbm_get_time (man_ndbm_wrapper wrap);
+extern void man_ndbm_set_time (man_ndbm_wrapper wrap, const struct timespec time);
+extern void man_ndbm_close (man_ndbm_wrapper wrap);
+
+# define DB_EXT ""
+# define MYDBM_FILE man_ndbm_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_ndbm_open(file, O_TRUNC|O_CREAT|O_RDWR, DBMODE)
+# define MYDBM_CRWOPEN(file) man_ndbm_open(file, O_CREAT|O_RDWR, DBMODE)
+# define MYDBM_RWOPEN(file) man_ndbm_open(file, O_RDWR, DBMODE)
+# define MYDBM_RDOPEN(file) man_ndbm_open(file, O_RDONLY, DBMODE)
+# define MYDBM_INSERT(db, key, cont) dbm_store((db)->file, key, cont, DBM_INSERT)
+# define MYDBM_REPLACE(db, key, cont) dbm_store((db)->file, key, cont, DBM_REPLACE)
+# define MYDBM_EXISTS(db, key) (dbm_fetch((db)->file, key).dptr != NULL)
+# define MYDBM_DELETE(db, key) dbm_delete((db)->file, key)
+# define MYDBM_FETCH(db, key) copy_datum(dbm_fetch((db)->file, key))
+# define MYDBM_CLOSE(db) man_ndbm_close(db)
+# define MYDBM_FIRSTKEY(db) man_ndbm_firstkey(db)
+# define MYDBM_NEXTKEY(db, key) man_ndbm_nextkey(db, key)
+# define MYDBM_GET_TIME(db) man_ndbm_get_time(db)
+# define MYDBM_SET_TIME(db, time) man_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 struct {
+ char *name;
+ DB *file;
+} *man_btree_wrapper;
+
+typedef DBT datum;
+
+extern man_btree_wrapper man_btree_open (const char *filename, int flags,
+ int mode);
+extern void man_btree_close (man_btree_wrapper wrap);
+extern int man_btree_exists (man_btree_wrapper wrap, datum key);
+extern datum man_btree_fetch (man_btree_wrapper wrap, datum key);
+extern int man_btree_insert (man_btree_wrapper wrap, datum key, datum cont);
+extern datum man_btree_firstkey (man_btree_wrapper wrap);
+extern datum man_btree_nextkey (man_btree_wrapper wrap);
+extern int man_btree_replace (man_btree_wrapper wrap,
+ datum key, datum content);
+extern int man_btree_nextkeydata (man_btree_wrapper wrap,
+ datum *key, datum *cont);
+extern struct timespec man_btree_get_time (man_btree_wrapper wrap);
+extern void man_btree_set_time (man_btree_wrapper wrap,
+ const struct timespec time);
+
+# define DB_EXT ".bt"
+# define MYDBM_FILE man_btree_wrapper
+# 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) man_btree_open(file, O_TRUNC|O_CREAT|O_RDWR, DBMODE)
+# define MYDBM_CRWOPEN(file) man_btree_open(file, O_CREAT|O_RDWR, DBMODE)
+# define MYDBM_RWOPEN(file) man_btree_open(file, O_RDWR, DBMODE)
+# define MYDBM_RDOPEN(file) man_btree_open(file, O_RDONLY, DBMODE)
+# define MYDBM_INSERT(db, key, cont) man_btree_insert(db, key, cont)
+# define MYDBM_REPLACE(db, key, cont) man_btree_replace(db, key, cont)
+# define MYDBM_EXISTS(db, key) man_btree_exists(db, key)
+# define MYDBM_DELETE(db, key) (((db)->file->del)((db)->file, &key, 0) ? -1 : 0)
+# define MYDBM_FETCH(db, key) man_btree_fetch(db, key)
+# define MYDBM_CLOSE(db) man_btree_close(db)
+# define MYDBM_FIRSTKEY(db) man_btree_firstkey(db)
+# define MYDBM_NEXTKEY(db, key) man_btree_nextkey(db)
+# define MYDBM_GET_TIME(db) man_btree_get_time(db)
+# define MYDBM_SET_TIME(db, time) man_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)
+
+/* 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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 06:08:37 +0000