version 8.6

* NEWS: Record release date.

.gitignore

@@ -40,14 +40,15 @@ coreutils-*.tar.bz2
 coreutils-*.tar.bz2.sig
 coreutils-*.tar.gz
 coreutils-*.tar.gz.sig
-coreutils-*.tar.lzma
-coreutils-*.tar.lzma.sig
+coreutils-*.tar.xz
+coreutils-*.tar.xz.sig
 gnulib-tests
 lib/.cvsignore
 lib/.gitignore
 lib/arg-nonnull.h
 lib/arpa
 lib/binary-io.h
+lib/c++defs.h
 lib/charset.alias
 lib/configmake.h
 lib/glthread
@@ -60,6 +61,7 @@ lib/selinux
 lib/unistr
 lib/uniwidth
 lib/unused-parameter.h
+lib/warn-on-use.h
 m4/.cvsignore
 m4/.gitignore
 maint.mk

.mailmap

@@ -0,0 +1,10 @@
+# Map git author names and email addresses to canonical/preferred form.
+<jim@meyering.net> <meyering@iou.iou>
+<jim@meyering.net> <meyering@rho.meyering.net>
+<jim@meyering.net> <meyering@vm.meyering.net.localdomain>
+Paul R. Eggert <eggert@cs.ucla.edu> <eggert@penguin.cs.ucla.edu>
+Paul R. Eggert <eggert@cs.ucla.edu> <eggert@CS.UCLA.EDU>
+# Evan's two changes listed my email address.
+Evan Hunt <ethanol@armory.com> Evan Hunt <jim@meyering.net>
+<P@draigBrady.com> <P@draigBrady.com  (trivial change)>
+Pádraig Brady <p@draigbrady.com> <p@draigBrady.com>

.prev-version

@@ -1 +1 @@
-8.3
+8.5

.x-sc_program_name

@@ -1,2 +1,3 @@
 gl/lib/randint.c
 lib/euidaccess-stat.c
+gl/tests/.*\.c

.x-sc_prohibit_always-defined_macros

@@ -0,0 +1 @@
+src/seq.c

.x-sc_prohibit_always_true_header_tests

@@ -0,0 +1,2 @@
+^m4/stat-prog\.m4$
+ChangeLog

.x-sc_prohibit_empty_lines_at_EOF

@@ -0,0 +1 @@
+^tests/pr/

.x-sc_prohibit_fail_0

@@ -1,3 +1,4 @@
 \.mk$
 /Makefile\.am$
+^tests/init\.sh$
 ^tests/test-lib\.sh$

.x-sc_prohibit_magic_number_exit

@@ -1,3 +1,2 @@
 configure.ac
-*.m4
 ChangeLog*

HACKING

@@ -233,6 +233,107 @@ Try to make the summary line fit one of the following forms:
   maint: change-description
 
 
+Curly braces: use judiciously
+=============================
+Omit the curly braces around an "if", "while", "for" etc. body only when
+that body occupies a single line.  In every other case we require the braces.
+This ensures that it is trivially easy to identify a single-*statement* loop:
+each has only one *line* in its body.
+
+Omitting braces with a single-line body is fine:
+
+     while (expr)
+       single_line_stmt ();
+
+However, the moment your loop/if/else body extends onto a second line,
+for whatever reason (even if it's just an added comment), then you should
+add braces.  Otherwise, it would be too easy to insert a statement just
+before that comment (without adding braces), thinking it is already a
+multi-statement loop:
+
+     while (true)
+       /* comment... */      // BAD: multi-line body without braces
+       single_line_stmt ();
+
+Do this instead:
+
+     while (true)
+       {  /* Always put braces around a multi-line body.  */
+         /* explanation... */
+         single_line_stmt ();
+       }
+
+There is one exception: when the second body line is not at the same
+indentation level as the first body line.
+
+     if (expr)
+       error (0, 0, _("a diagnostic that would make this line"
+                      " extend past the 80-column limit"));
+
+It is safe to omit the braces in the code above, since the
+further-indented second body line makes it obvious that this is still
+a single-statement body.
+
+To reiterate, don't do this:
+
+     if (expr)
+       while (expr_2)        // BAD: multi-line body without braces
+         {
+           ...
+         }
+
+Do this, instead:
+
+     if (expr)
+       {
+         while (expr_2)
+           {
+             ...
+           }
+       }
+
+However, there is one exception in the other direction, when even a
+one-line block should have braces.  That occurs when that one-line,
+brace-less block is an "else" block, and the corresponding "then" block
+*does* use braces.  In that case, either put braces around the "else"
+block, or negate the "if"-condition and swap the bodies, putting the
+one-line block first and making the longer, multi-line block be the
+"else" block.
+
+    if (expr)
+      {
+        ...
+        ...
+      }
+    else
+      x = y;    // BAD: braceless "else" with braced "then"
+
+This is preferred, especially when the multi-line body is more than a
+few lines long, because it is easier to read and grasp the semantics of
+an if-then-else block when the simpler block occurs first, rather than
+after the more involved block:
+
+    if (!expr)
+      x = y;                  /* more readable */
+    else
+      {
+        ...
+        ...
+      }
+
+If you'd rather not negate the condition, then add braces:
+
+    if (expr)
+      {
+        ...
+        ...
+      }
+    else
+      {
+        x = y;
+      }
+
+
 Use SPACE-only indentation in all[*] files
 ==========================================
 We use space-only indentation in nearly all files.
@@ -310,9 +411,9 @@ Nearly every significant change must be accompanied by a test suite
 addition that exercises it.  If you fix a bug, add at least one test that
 fails without the patch, but that succeeds once your patch is applied.
 If you add a feature, add tests to exercise as much of the new code
-as possible. Note to run tests/misc/newtest in isolation you can do:
+as possible. Note to run tests/misc/new-test in isolation you can do:
 
-  (cd tests && make check TESTS=misc/newtest VERBOSE=yes)
+  (cd tests && make check TESTS=misc/new-test VERBOSE=yes)
 
 There are hundreds of tests in the tests/ directories.  You can use
 tests/sample-test as a template, or one of the various Perl-based ones

Makefile.am

@@ -46,7 +46,9 @@ syntax_check_exceptions =		\
   .x-sc_obsolete_symbols		\
   .x-sc_po_check			\
   .x-sc_program_name			\
+  .x-sc_prohibit_always-defined_macros	\
   .x-sc_prohibit_atoi_atof		\
+  .x-sc_prohibit_empty_lines_at_EOF	\
   .x-sc_prohibit_fail_0			\
   .x-sc_prohibit_magic_number_exit	\
   .x-sc_prohibit_stat_st_blocks		\
@@ -58,6 +60,7 @@ syntax_check_exceptions =		\
   .x-sc_sun_os_names			\
   .x-sc_system_h_headers		\
   .x-sc_trailing_blank			\
+  .x-sc_prohibit_always_true_header_tests \
   .x-sc_unmarked_diagnostics		\
   .x-sc_useless_cpp_parens
 

NEWS

@@ -1,5 +1,159 @@
 GNU coreutils NEWS                                    -*- outline -*-
 
+* Noteworthy changes in release 8.6 (2010-10-15) [stable]
+
+** Bug fixes
+
+  du no longer multiply counts a file that is a directory or whose
+  link count is 1, even if the file is reached multiple times by
+  following symlinks or via multiple arguments.
+
+  du -H and -L now consistently count pointed-to files instead of
+  symbolic links, and correctly diagnose dangling symlinks.
+
+  du --ignore=D now ignores directory D even when that directory is
+  found to be part of a directory cycle.  Before, du would issue a
+  "NOTIFY YOUR SYSTEM MANAGER" diagnostic and fail.
+
+  split now diagnoses read errors rather than silently exiting.
+  [bug introduced in coreutils-4.5.8]
+
+  tac would perform a double-free when given an input line longer than 16KiB.
+  [bug introduced in coreutils-8.3]
+
+  tail -F once again notices changes in a currently unavailable directory,
+  and works around a Linux kernel bug where inotify runs out of resources.
+  [bugs introduced in coreutils-7.5]
+
+  tr now consistently handles case conversion character classes.
+  In some locales, valid conversion specifications caused tr to abort,
+  while in all locales, some invalid specifications were undiagnosed.
+  [bugs introduced in coreutils 6.9.90 and 6.9.92]
+
+** New features
+
+  cp now accepts the --attributes-only option to not copy file data,
+  which is useful for efficiently modifying files.
+
+  du recognizes -d N as equivalent to --max-depth=N, for compatibility
+  with FreeBSD.
+
+  sort now accepts the --debug option, to highlight the part of the
+  line significant in the sort, and warn about questionable options.
+
+  sort now supports -d, -f, -i, -R, and -V in any combination.
+
+  stat now accepts the %m format directive to output the mount point
+  for a file.  It also accepts the %w and %W format directives for
+  outputting the birth time of a file, if one is available.
+
+** Changes in behavior
+
+  df now consistently prints the device name for a bind mounted file,
+  rather than its aliased target.
+
+  du now uses less than half as much memory when operating on trees
+  with many hard-linked files.  With --count-links (-l), or when
+  operating on trees with no hard-linked files, there is no change.
+
+  ls -l now uses the traditional three field time style rather than
+  the wider two field numeric ISO style, in locales where a style has
+  not been specified.  The new approach has nicer behavior in some
+  locales, including English, which was judged to outweigh the disadvantage
+  of generating less-predictable and often worse output in poorly-configured
+  locales where there is an onus to specify appropriate non-default styles.
+  [The old behavior was introduced in coreutils-6.0 and had been removed
+   for English only using a different method since coreutils-8.1]
+
+  rm's -d now evokes an error;  before, it was silently ignored.
+
+  sort -g now uses long doubles for greater range and precision.
+
+  sort -h no longer rejects numbers with leading or trailing ".", and
+  no longer accepts numbers with multiple ".".  It now considers all
+  zeros to be equal.
+
+  sort now uses the number of available processors to parallelize
+  the sorting operation.  The number of sorts run concurrently can be
+  limited with the --parallel option or with external process
+  control like taskset for example.
+
+  stat now provides translated output when no format is specified.
+
+  stat no longer accepts the --context (-Z) option.  Initially it was
+  merely accepted and ignored, for compatibility.  Starting two years
+  ago, with coreutils-7.0, its use evoked a warning.  Printing the
+  SELinux context of a file can be done with the %C format directive,
+  and the default output when no format is specified now automatically
+  includes %C when context information is available.
+
+  stat no longer accepts the %C directive when the --file-system
+  option is in effect, since security context is a file attribute
+  rather than a file system attribute.
+
+  stat now outputs the full sub-second resolution for the atime,
+  mtime, and ctime values since the Epoch, when using the %X, %Y, and
+  %Z directives of the --format option.  This matches the fact that
+  %x, %y, and %z were already doing so for the human-readable variant.
+
+  touch's --file option is no longer recognized.  Use --reference=F (-r)
+  instead.  --file has not been documented for 15 years, and its use has
+  elicited a warning since coreutils-7.1.
+
+  truncate now supports setting file sizes relative to a reference file.
+  Also errors are no longer suppressed for unsupported file types, and
+  relative sizes are restricted to supported file types.
+
+
+* Noteworthy changes in release 8.5 (2010-04-23) [stable]
+
+** Bug fixes
+
+  cp and mv once again support preserving extended attributes.
+  [bug introduced in coreutils-8.4]
+
+  cp now preserves "capabilities" when also preserving file ownership.
+
+  ls --color once again honors the 'NORMAL' dircolors directive.
+  [bug introduced in coreutils-6.11]
+
+  sort -M now handles abbreviated months that are aligned using blanks
+  in the locale database.  Also locales with 8 bit characters are
+  handled correctly, including multi byte locales with the caveat
+  that multi byte characters are matched case sensitively.
+
+  sort again handles obsolescent key formats (+POS -POS) correctly.
+  Previously if -POS was specified, 1 field too many was used in the sort.
+  [bug introduced in coreutils-7.2]
+
+** New features
+
+  join now accepts the --header option, to treat the first line of each
+  file as a header line to be joined and printed unconditionally.
+
+  timeout now accepts the --kill-after option which sends a kill
+  signal to the monitored command if it's still running the specified
+  duration after the initial signal was sent.
+
+  who: the "+/-" --mesg (-T) indicator of whether a user/tty is accepting
+  messages could be incorrectly listed as "+", when in fact, the user was
+  not accepting messages (mesg no).  Before, who would examine only the
+  permission bits, and not consider the group of the TTY device file.
+  Thus, if a login tty's group would change somehow e.g., to "root",
+  that would make it unwritable (via write(1)) by normal users, in spite
+  of whatever the permission bits might imply.  Now, when configured
+  using the --with-tty-group[=NAME] option, who also compares the group
+  of the TTY device with NAME (or "tty" if no group name is specified).
+
+** Changes in behavior
+
+  ls --color no longer emits the final 3-byte color-resetting escape
+  sequence when it would be a no-op.
+
+  join -t '' no longer emits an error and instead operates on
+  each line as a whole (even if they contain NUL characters).
+
+
 * Noteworthy changes in release 8.4 (2010-01-13) [stable]
 
 ** Bug fixes

README

@@ -223,6 +223,9 @@ For general documentation on the coding and usage standards
 this distribution follows, see the GNU Coding Standards,
 http://www.gnu.org/prep/standards_toc.html.
 
+For any copyright year range specified as YYYY-ZZZZ in this package
+note that the range specifies every single year in that closed interval.
+
 Mail suggestions and bug reports for these programs to
 the address on the last line of --help output.
 

README-hacking

@@ -28,11 +28,23 @@ You can get a copy of the source repository like this:
         $ git clone git://git.sv.gnu.org/coreutils
         $ cd coreutils
 
+As an optional step, if you already have a copy of the gnulib git
+repository on your hard drive, then you can use it as a reference to
+reduce download time and disk space requirements:
+
+        $ export GNULIB_SRCDIR=/path/to/gnulib
+
 The next step is to get and check other files needed to build,
 which are extracted from other source packages:
 
         $ ./bootstrap
 
+To use the most-recent gnulib (as opposed to the gnulib version that
+the package last synchronized to), do this next:
+
+        $ git submodule foreach git pull origin master
+        $ git commit -m 'build: update gnulib submodule to latest' gnulib
+
 And there you are!  Just
 
         $ ./configure --quiet #[--enable-gcc-warnings] [*]
@@ -54,6 +66,29 @@ to use recent system headers.  If you configure with this option,
 and spot a problem, please be sure to send the report to the bug
 reporting address of this package, and not to that of gnulib, even
 if the problem seems to originate in a gnulib-provided file.
+
+* Submitting patches
+
+If you develop a fix or a new feature, please send it to the
+appropriate bug-reporting address as reported by the --help option of
+each program.  One way to do this is to use vc-dwim
+<http://www.gnu.org/software/vc-dwim/>), as follows.
+
+  Run the command "vc-dwim --help", copy its definition of the
+  "git-changelog-symlink-init" function into your shell, and then run
+  this function at the top-level directory of the package.
+
+  Edit the ChangeLog file that this command creates, creating a
+  properly-formatted entry according to the GNU coding standards
+  <http://www.gnu.org/prep/standards/html_node/Change-Logs.html>.
+
+  Run the command "vc-dwim" and make sure its output looks good.
+
+  Run "vc-dwim --commit".
+
+  Run the command "git format-patch --stdout -1", and email its output
+  in, using the output's subject line.
+
 -----
 
 Copyright (C) 2002-2010 Free Software Foundation, Inc.

README-package-renamed-to-coreutils

@@ -10,9 +10,12 @@ coreutils package, see these:
 
   http://mail.gnu.org/mailman/listinfo/coreutils-announce
   http://mail.gnu.org/mailman/listinfo/bug-coreutils
+  http://mail.gnu.org/mailman/listinfo/coreutils
 
 mailing list archives are here:
 
   http://news.gmane.org/gmane.comp.gnu.coreutils.announce
   http://news.gmane.org/gmane.comp.gnu.core-utils.bugs (up to the minute)
   http://mail.gnu.org/pipermail/bug-coreutils/ (updated every 12 hours)
+  http://news.gmane.org/gmane.comp.gnu.coreutils.general
+  http://mail.gnu.org/pipermail/coreutils/ (updated every 12 hours)

README-prereq

@@ -14,14 +14,18 @@ I.E. the tools checked for by the bootstrap script and include:
 - Texinfo   <http://www.gnu.org/software/texinfo/>
 
 Note please try to install/build official packages for your system.
-If these are not available then one can make them available only to
-the coreutils build using the following instructions.  Even if the
-official packages for your system are too old, please install them
-as they may be required to build the newer versions.  The examples
-below build into $HOME/coreutils/deps/, so first ensure that your
-$PATH is set correctly, which can be done for the current shell like:
+If these programs are not available use the following instructions
+to build them and install the results into a directory that you will
+then use when building this package.
 
-  export PATH=$HOME/coreutils/deps/bin:$PATH
+Even if the official version of a package for your system is too old,
+please install it, as it may be required to build the newer versions.
+The examples below install into $HOME/coreutils/deps/, so if you are
+going to follow these instructions, first ensure that your $PATH is
+set correctly by running this command:
+
+  prefix=$HOME/coreutils/deps
+  export PATH=$prefix/bin:$PATH
 
 * autoconf *
 
@@ -29,7 +33,7 @@ $PATH is set correctly, which can be done for the current shell like:
   git clone --depth=1 git://git.sv.gnu.org/autoconf.git
   git checkout v2.62
   autoreconf -vi
-  ./configure --prefix=$HOME/coreutils/deps
+  ./configure --prefix=$prefix
   make install
 
 * automake *
@@ -39,10 +43,10 @@ $PATH is set correctly, which can be done for the current shell like:
   cd automake
   git checkout v1.11.1
   ./bootstrap
-  ./configure --prefix=$HOME/coreutils/deps
+  ./configure --prefix=$prefix
   make install
 
-coreutils uses XZ utils (successor to LZMA) to create
+This package uses XZ utils (successor to LZMA) to create
 a compressed distribution tarball.  Using this feature of Automake
 requires version 1.10a or newer, as well as the xz program itself.
 
@@ -51,7 +55,7 @@ requires version 1.10a or newer, as well as the xz program itself.
   git clone git://ctrl.tukaani.org/xz.git
   cd xz
   ./autogen.sh
-  ./configure --prefix=$HOME/coreutils/deps
+  ./configure --prefix=$prefix
   make install
 
-Now one can build coreutils as described in README-hacking.
+Now you can build this package as described in README-hacking.

README-release

@@ -13,26 +13,39 @@ Here are most of the steps we (maintainers) follow when making a release.
 * Ensure that you're on "master" with no uncommitted diffs.
   This should produce no output: git checkout master; git diff
 
-* Run bootstrap: ./bootstrap
+* Ensure that you've pushed all changes that belong in the release
+  and that the NixOS/Hydra autobuilder is reporting all is well:
+
+      http://hydra.nixos.org/jobset/gnu/coreutils-master
+
+* Run bootstrap one last time.  This downloads any new translations:
+
+    ./bootstrap
 
 FIXME: enable excluded programs like arch? to get their manual pages?
 
 * Pre-release testing:
-  Ensure that make check syntax-check succeeds.
-  On at least one SELinux-enabled (enforcing) and one non-SELinux system,
-    run all tests, both root-only and regular.
-  Run *all* non-root tests, including expensive and very expensive ones i.e.,
-    run this: make -j1 check RUN_VERY_EXPENSIVE_TESTS=yes RUN_EXPENSIVE_TESTS=yes
 
-  Run the root-only tests:
-  sudo env PATH="$PATH" NON_ROOT_USERNAME=$USER make -k check-root
+  Run the following on at least one SELinux-enabled (enforcing) and
+  one non-SELinux system:
 
-* Run "make distcheck"
+    make distcheck
+    make -j1 check RUN_VERY_EXPENSIVE_TESTS=yes RUN_EXPENSIVE_TESTS=yes
+    sudo env PATH="$PATH" NON_ROOT_USERNAME=$USER make -k check-root
+
+  Note the -j1 above.  If you use -jN, for larger N, some of the expensive
+  tests are likely to interfere with concurrent performance-measuring or
+  timing-sensitive tests, resulting in spurious failures.
+
+  If "make distcheck" doesn't run "make syntax-check" for you, then run
+  it manually:
+
+    make syntax-check
 
 * Set the date, version number, and release type [stable/alpha/beta] on
   line 3 of NEWS, commit that, and tag the release by running e.g.,
 
-    build-aux/do-release-commit-and-tag 8.1 beta
+    build-aux/do-release-commit-and-tag X.Y stable
 
 * Run the following to create release tarballs.  Your choice selects the
   corresponding upload-to destination in the emitted gnupload command.
@@ -46,7 +59,8 @@ FIXME: enable excluded programs like arch? to get their manual pages?
   it builds and passes all tests.
 
 * While that's happening, write the release announcement that you will
-  soon post.
+  soon post.  Start with the template, $HOME/announce-coreutils-X.Y
+  that was just created by that "make" command.
 
 Once all the builds and tests have passed,
 
@@ -56,21 +70,14 @@ Once all the builds and tests have passed,
   download all tarball/signature pairs and use gpg --verify to ensure
   that they're all valid.
 
-* Push the new tag:
+* Push the NEWS-updating changes and the new tag:
 
     v=$(cat .prev-version)
-    git push origin tag v$v
+    git push origin master tag v$v
 
-* Send the gpg-signed announcement mail, e.g.,
+* Announce it on Savannah first, so you can include the preferable
+  savannah.org announcement link in the email message.
 
-    To: info-gnu@gnu.org, coreutils-announce@gnu.org
-    Cc: coordinator@translationproject.org, bug-coreutils@gnu.org
-    Subject: coreutils-8.0 released [beta]
-
-* Approve the announcement here:
-  http://lists.gnu.org/mailman/admindb/coreutils-announce
-
-* Announce it on Savannah, too:
   From here:
     https://savannah.gnu.org/projects/coreutils/
   click on the "submit news", then write something like the following:
@@ -78,13 +85,19 @@ Once all the builds and tests have passed,
    the Main -> "Select Features" menu item, or via this link:
    https://savannah.gnu.org/project/admin/editgroupfeatures.php?group=coreutils)
 
-    Subject: coreutils-0.0 released [beta]
-    The announcement is here:
-      http://article.gmane.org/gmane.comp.gnu.core-utils.announce/54
+    Subject: coreutils-X.Y released [stable]
+    +verbatim+
+    ...paste the announcement here...
+    -verbatim-
 
   Then go here to approve it:
     https://savannah.gnu.org/news/approve.php?group=coreutils
 
+* Send the announcement email message.
+
+* Approve the announcement here:
+  http://lists.gnu.org/mailman/admindb/coreutils-announce
+
 * After each non-alpha release, update the on-line manual accessible via
 
     http://www.gnu.org/software/coreutils/manual/

THANKS

@@ -8,14 +8,17 @@ the bug-report mailing list (as seen on last line of e.g., cp --help).
 
 ???                                 kytek@cybercomm.net
 A Costa                             agcosta@gis.net
+Aaron Burgemeister                  dajoker@gmail.com
 Aaron Hawley                        ashawley@uvm.edu
 Achim Blumensath                    blume@corona.oche.de
 Adam Jimerson                       vendion@charter.net
 Adam Klein                          aklein@debian.org
+Adam Sampson                        ats@offog.org
 Adrian Bunk                         bunk@stusta.de
 AIDA Shinra                         shinra@j10n.org
 Akim Demaille                       demaille@inf.enst.fr
 Alain Magloire                      alain@qnx.com
+Alan Curry                          pacman@kosh.dhis.org
 Alan Iwi                            iwi@atm.ox.ac.uk
 Albert Chin-A-Young                 china@thewrittenword.com
 Albert Hopkins                      ahopkins@dynacare.com
@@ -101,6 +104,7 @@ Carl Roth                           roth@urs.us
 Carlos Canau                        Carlos.Canau@relay.puug.pt
 Charles Karney                      karney@pppl.gov
 Charles Randall                     crandall@matchlogic.com
+Chas. Owens                         chas.owens@gmail.com
 Chip Salzenberg                     chip@valinux.com
 Chris Clayton                       chris2553@googlemail.com
 Chris Faylor                        cgf@cygnus.com
@@ -128,6 +132,7 @@ Cyril Bouthors                      cyril@bouthors.org
 Dale Scheetz                        dwarf@polaris.net
 Dameon G. Rogers                    dgr03@uark.edu
 Dan Hagerty                         hag@gnu.ai.it.edu
+Dan Hipschman                       dsh@linux.ucla.edu
 Dan Jacobson                        jidanni@jidanni.org
 Dan Pascu                           dan@services.iiruc.ro
 Daniel Bergstrom                    noa@melody.se
@@ -177,6 +182,7 @@ Elbert Pol                          elbert.pol@gmail.com
 Eli Zaretskii                       eliz@is.elta.co.il
 Elias Pipping                       pipping@gentoo.org
 Emile LeBlanc                       leblanc@math.toronto.edu
+Emmanuel Lacour                     elacour@home-dn.net
 Erik Auerswald                      auerswal@unix-ag.uni-kl.de
 Eric Backus                         ericb@lsid.hp.com
 Eric Blake                          ebb9@byu.net
@@ -189,6 +195,7 @@ Evan Hunt                           ethanol@armory.com
 Felix Lee                           flee@teleport.com
 Felix Rauch Valenti                 frauch@cse.unsw.edu.au
 Ferdinand                           fw@scenic.mine.nu
+Filipus Klutiero                    chealer@gmail.com
 Fletcher Mattox                     fletcher@cs.utexas.edu
 Florent Bayle                       florent@sarcelle.net
 Florian Schlichting                 fschlich@cis.fu-berlin.de
@@ -253,6 +260,7 @@ Ilya N. Golubev                     gin@mo.msk.ru
 Ingo Saitz                          ingo@debian.org
 Ivan Labath                         labath3@st.fmph.uniba.sk
 Ivo Timmermans                      ivo@debian.org
+Jacky Fong                          jacky.fong@utoronto.ca
 James                               james@albion.glarp.com
 James Antill                        jmanti%essex.ac.uk@seralph21.essex.ac.uk
 James Lemley                        James.Lemley@acxiom.com
@@ -334,6 +342,7 @@ Keith Owens                         kaos@audio.apana.org.au
 Keith Thompson                      kst@cts.com
 Ken Pizzini                         kenp@halcyon.com
 Kevin Mudrick                       kmudrick@healthmarketscience.com
+Kim Hansen                          kim@i9.dk
 Kirk Kelsey                         kirk.kelsey@0x4b.net
 Kristin E Thomas                    kristint@us.ibm.com
 Kjetil Torgrim Homme                kjetilho@ifi.uio.no
@@ -494,6 +503,7 @@ Philippe Schnoebelen                Philippe.Schnoebelen@imag.fr
 Phillip Jones                       mouse@datastacks.com
 Piergiorgio Sartor                  sartor@sony.de
 Pieter Bowman                       bowman@math.utah.edu
+Piotr Gackiewicz                    gacek@intertele.pl
 Piotr Kwapulinski                   kwap@univ.gda.pl
 Prashant TR                         tr@eth.net
 Priit Jõerüüt                       jemm4jemm@yahoo.com
@@ -519,6 +529,7 @@ Robert H. de Vries                  robert@and.nl
 Robert Lindgren                     robert@orcafat.com
 Robert Millan                       zeratul2@wanadoo.es
 Robert Schwebel                     r.schwebel@pengutronix.de
+Robin H. Johnson                    robbat2@gentoo.org
 Rogier Wolff                        R.E.Wolff@BitWizard.nl
 Roland Huebner                      ro-huebner@gmx.de
 Roland Turner                       raz.tah.bet@raz.cx
@@ -630,6 +641,7 @@ Wolfram Kleff                       kleff@cs.uni-bonn.de
 Won-kyu Park                        wkpark@chem.skku.ac.kr
 Yanko Kaneti                        yaneti@declera.com
 Yann Dirson                         dirson@debian.org
+Yutaka Amanai                       yasai-itame1942@jade.plala.or.jp
 Zvi Har'El                          rl@math.technion.ac.il
 
 ;; Local Variables:

TODO

@@ -34,6 +34,9 @@ printf:
   platforms where the native *printf(3) is deficient.
   Suggestion from Eric Blake.
 
+consider adding some implementation of the "col" utility
+  Suggested by Karl Berry.
+
 renice: POSIX utility, needs implementing.
   suggestion from Karl Berry (among others).
   Bob Proulx is working on this.

bootstrap

@@ -1,4 +1,6 @@
 #! /bin/sh
+# Print a version string.
+scriptversion=2010-10-05.15; # UTC
 
 # Bootstrap this package from checked-out sources.
 
@@ -17,7 +19,15 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-# Written by Paul Eggert.
+# Originally written by Paul Eggert.  The canonical version of this
+# script is maintained as build-aux/bootstrap in gnulib, however, to
+# be useful to your project, you should place a copy of it under
+# version control in the top-level directory of your project.  The
+# intent is that all customization can be done with a bootstrap.conf
+# file also maintained in your version control; gnulib comes with a
+# template build-aux/bootstrap.conf to get you started.
+
+# Please report bugs or propose patches to bug-gnulib@gnu.org.
 
 nl='
 '
@@ -43,7 +53,7 @@ Options:
                           sources reside.  Use this if you already
                           have gnulib sources on your machine, and
                           do not want to waste your bandwidth downloading
-                          them again.
+                          them again.  Defaults to \$GNULIB_SRCDIR.
  --copy                   Copy files instead of creating symbolic links.
  --force                  Attempt to bootstrap even if the sources seem
                           not to have been checked out.
@@ -80,7 +90,8 @@ bootstrap_epilogue() { :; }
 # options because the latest/%s directory and the .po files within are
 # all symlinks.
 po_download_command_format=\
-"rsync -Lrtvz 'translationproject.org::tp/latest/%s/' '%s'"
+"rsync --delete --exclude '*.s1' -Lrtvz \
+ 'translationproject.org::tp/latest/%s/' '%s'"
 
 extract_package_name='
   /^AC_INIT(/{
@@ -133,7 +144,8 @@ XGETTEXT_OPTIONS='\\\
  --flag=error:3:c-format --flag=error_at_line:5:c-format\\\
 '
 
-# Package bug report address for gettext files
+# Package bug report address and copyright holder for gettext files
+COPYRIGHT_HOLDER='Free Software Foundation, Inc.'
 MSGID_BUGS_ADDRESS=bug-$package@gnu.org
 
 # Files we don't want to import.
@@ -160,7 +172,6 @@ vc_ignore=auto
 # die otherwise.
 find_tool ()
 {
-  # Find sha1sum, named gsha1sum on MacPorts.
   find_tool_envvar=$1
   shift
   find_tool_names=$@
@@ -188,8 +199,8 @@ find_tool ()
   eval "export $find_tool_envvar"
 }
 
-# Find sha1sum, named gsha1sum on MacPorts.
-find_tool SHA1SUM sha1sum gsha1sum
+# Find sha1sum, named gsha1sum on MacPorts, and shasum on MacOS 10.6.
+find_tool SHA1SUM sha1sum gsha1sum shasum
 
 # Override the default configuration, if necessary.
 # Make sure that bootstrap.conf is sourced from the current directory
@@ -335,8 +346,12 @@ check_versions() {
   ret=0
 
   while read app req_ver; do
+    # We only need libtoolize from the libtool package.
+    if test "$app" = libtool; then
+      app=libtoolize
+    fi
     # Honor $APP variables ($TAR, $AUTOCONF, etc.)
-    appvar=`echo $app | tr '[a-z]' '[A-Z]'`
+    appvar=`echo $app | tr '[a-z]-' '[A-Z]_'`
     test "$appvar" = TAR && appvar=AMTAR
     eval "app=\${$appvar-$app}"
     inst_ver=$(get_version $app)
@@ -359,16 +374,30 @@ check_versions() {
 print_versions() {
   echo "Program    Min_version"
   echo "----------------------"
-  printf "$buildreq"
+  printf %s "$buildreq"
   echo "----------------------"
   # can't depend on column -t
 }
 
+use_libtool=0
+# We'd like to use grep -E, to see if any of LT_INIT,
+# AC_PROG_LIBTOOL, AM_PROG_LIBTOOL is used in configure.ac,
+# but that's not portable enough (e.g., for Solaris).
+grep '^[	 ]*A[CM]_PROG_LIBTOOL' configure.ac >/dev/null \
+  && use_libtool=1
+grep '^[	 ]*LT_INIT' configure.ac >/dev/null \
+  && use_libtool=1
+if test $use_libtool = 1; then
+  find_tool LIBTOOLIZE glibtoolize libtoolize
+fi
+
 if ! printf "$buildreq" | check_versions; then
-  test -f README-prereq &&
-  echo "See README-prereq for notes on obtaining these prerequisite programs:" >&2
-  echo
-  print_versions
+  echo >&2
+  if test -f README-prereq; then
+    echo "See README-prereq for notes on obtaining the prerequisite programs" >&2
+  else
+    echo "Please install the prerequisite programs" >&2
+  fi
   exit 1
 fi
 
@@ -390,7 +419,7 @@ fi
 
 cleanup_gnulib() {
   status=$?
-  rm -fr gnulib
+  rm -fr "$gnulib_path"
   exit $status
 }
 
@@ -398,6 +427,9 @@ git_modules_config () {
   test -f .gitmodules && git config --file .gitmodules "$@"
 }
 
+gnulib_path=`git_modules_config submodule.gnulib.path`
+: ${gnulib_path=gnulib}
+
 # Get gnulib files.
 
 case ${GNULIB_SRCDIR--} in
@@ -407,30 +439,44 @@ case ${GNULIB_SRCDIR--} in
     git submodule init || exit $?
     git submodule update || exit $?
 
-  elif [ ! -d gnulib ]; then
+  elif [ ! -d "$gnulib_path" ]; then
     echo "$0: getting gnulib files..."
 
     trap cleanup_gnulib 1 2 13 15
 
-    git clone --help|grep depth > /dev/null && shallow='--depth 2' || shallow=
-    git clone $shallow git://git.sv.gnu.org/gnulib ||
+    shallow=
+    git clone -h 2>&1 | grep -- --depth > /dev/null && shallow='--depth 2'
+    git clone $shallow git://git.sv.gnu.org/gnulib "$gnulib_path" ||
       cleanup_gnulib
 
     trap - 1 2 13 15
   fi
-  GNULIB_SRCDIR=gnulib
+  GNULIB_SRCDIR=$gnulib_path
   ;;
 *)
-  # Redirect the gnulib submodule to the directory on the command line
-  # if possible.
+  # Use GNULIB_SRCDIR as a reference.
   if test -d "$GNULIB_SRCDIR"/.git && \
         git_modules_config submodule.gnulib.url >/dev/null; then
-    git submodule init
-    GNULIB_SRCDIR=`cd $GNULIB_SRCDIR && pwd`
-    git_modules_config --replace-all submodule.gnulib.url $GNULIB_SRCDIR
     echo "$0: getting gnulib files..."
-    git submodule update || exit $?
-    GNULIB_SRCDIR=gnulib
+    if git submodule -h|grep -- --reference > /dev/null; then
+      # Prefer the one-liner available in git 1.6.4 or newer.
+      git submodule update --init --reference "$GNULIB_SRCDIR" \
+        "$gnulib_path" || exit $?
+    else
+      # This fallback allows at least git 1.5.5.
+      if test -f "$gnulib_path"/gnulib-tool; then
+        # Since file already exists, assume submodule init already complete.
+        git submodule update || exit $?
+      else
+        # Older git can't clone into an empty directory.
+        rmdir "$gnulib_path" 2>/dev/null
+        git clone --reference "$GNULIB_SRCDIR" \
+          "$(git_modules_config submodule.gnulib.url)" "$gnulib_path" \
+          && git submodule init && git submodule update \
+          || exit $?
+      fi
+    fi
+    GNULIB_SRCDIR=$gnulib_path
   fi
   ;;
 esac
@@ -448,22 +494,24 @@ download_po_files() {
   eval "$cmd"
 }
 
-# Download .po files to $po_dir/.reference and copy only the new
+# Mirror .po files to $po_dir/.reference and copy only the new
 # or modified ones into $po_dir.  Also update $po_dir/LINGUAS.
+# Note po files that exist locally only are left in $po_dir but will
+# not be included in LINGUAS and hence will not be distributed.
 update_po_files() {
   # Directory containing primary .po files.
   # Overwrite them only when we're sure a .po file is new.
   po_dir=$1
   domain=$2
 
-  # Download *.po files into this dir.
+  # Mirror *.po files into this dir.
   # Usually contains *.s1 checksum files.
   ref_po_dir="$po_dir/.reference"
 
   test -d $ref_po_dir || mkdir $ref_po_dir || return
   download_po_files $ref_po_dir $domain \
     && ls "$ref_po_dir"/*.po 2>/dev/null |
-      sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS"
+      sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS" || return
 
   langs=`cd $ref_po_dir && echo *.po|sed 's/\.po//g'`
   test "$langs" = '*' && langs=x
@@ -594,7 +642,6 @@ cp_mark_as_generated()
       (
         echo "$c1-*- buffer-read-only: t -*- vi: set ro:$c2" &&
         echo "${c1}DO NOT EDIT! GENERATED AUTOMATICALLY!$c2" &&
-        echo '#line 1' &&
         sed "s!$bt_regex/!!g" "$cp_src"
       ) > $cp_dst-t &&
       if cmp -s "$cp_dst-t" "$cp_dst"; then
@@ -637,7 +684,7 @@ slurp() {
       for excluded_file in $excluded_files; do
         test "$dir/$file" = "$excluded_file" && continue 2
       done
-      if test $file = Makefile.am; then
+      if test $file = Makefile.am && test "X$gnulib_mk" != XMakefile.am; then
         copied=$copied${sep}$gnulib_mk; sep=$nl
         remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"
         sed "$remove_intl" $1/$dir/$file | cmp - $dir/$gnulib_mk > /dev/null || {
@@ -655,7 +702,7 @@ slurp() {
           rm -f $dir/$file
           sed '
             /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\
-              AC_DEFUN([AM_INTL_SUBDIR], [
+              AC_DEFUN([AM_INTL_SUBDIR], [])
             /^AC_DEFUN(\[gt_INTL_SUBDIR_CORE],/,/^]/c\
               AC_DEFUN([gt_INTL_SUBDIR_CORE], [])
             $a\
@@ -707,6 +754,12 @@ gnulib_tool_options="\
  --local-dir $local_gl_dir\
  $gnulib_tool_option_extras\
 "
+if test $use_libtool = 1; then
+  case "$gnulib_tool_options " in
+    *' --libtool '*) ;;
+    *) gnulib_tool_options="$gnulib_tool_options --libtool" ;;
+  esac
+fi
 echo "$0: $gnulib_tool $gnulib_tool_options --import ..."
 $gnulib_tool $gnulib_tool_options --import $gnulib_modules &&
 slurp $bt || exit
@@ -749,20 +802,12 @@ grep -E '^[	 ]*AC_CONFIG_HEADERS?\>' configure.ac >/dev/null ||
 
 for command in \
   libtool \
-  "${ACLOCAL-aclocal} --force -I m4" \
+  "${ACLOCAL-aclocal} --force -I m4 $ACLOCAL_FLAGS" \
   "${AUTOCONF-autoconf} --force" \
   "${AUTOHEADER-autoheader} --force" \
   "${AUTOMAKE-automake} --add-missing --copy --force-missing"
 do
   if test "$command" = libtool; then
-    use_libtool=0
-    # We'd like to use grep -E, to see if any of LT_INIT,
-    # AC_PROG_LIBTOOL, AM_PROG_LIBTOOL is used in configure.ac,
-    # but that's not portable enough (e.g., for Solaris).
-    grep '^[	 ]*A[CM]_PROG_LIBTOOL' configure.ac >/dev/null \
-      && use_libtool=1
-    grep '^[	 ]*LT_INIT' configure.ac >/dev/null \
-      && use_libtool=1
     test $use_libtool = 0 \
       && continue
     command="${LIBTOOLIZE-libtoolize} -c -f"
@@ -788,13 +833,14 @@ if test $with_gettext = yes; then
   rm -f po/Makevars
   sed '
     /^EXTRA_LOCALE_CATEGORIES *=/s/=.*/= '"$EXTRA_LOCALE_CATEGORIES"'/
-    /^MSGID_BUGS_ADDRESS *=/s/=.*/= '"$MSGID_BUGS_ADDRESS"'/
+    /^COPYRIGHT_HOLDER *=/s/=.*/= '"$COPYRIGHT_HOLDER"'/
+    /^MSGID_BUGS_ADDRESS *=/s|=.*|= '"$MSGID_BUGS_ADDRESS"'|
     /^XGETTEXT_OPTIONS *=/{
       s/$/ \\/
       a\
           '"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+}
     }
-  ' po/Makevars.template >po/Makevars
+  ' po/Makevars.template >po/Makevars || exit 1
 
   if test -d runtime-po; then
     # Similarly for runtime-po/Makevars, but not quite the same.
@@ -808,7 +854,7 @@ if test $with_gettext = yes; then
         a\
             '"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+}
       }
-    ' <po/Makevars.template >runtime-po/Makevars
+    ' po/Makevars.template >runtime-po/Makevars || exit 1
 
     # Copy identical files from po to runtime-po.
     (cd po && cp -p Makefile.in.in *-quot *.header *.sed *.sin ../runtime-po)
@@ -818,3 +864,11 @@ fi
 bootstrap_epilogue
 
 echo "$0: done.  Now you can run './configure'."
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:

bootstrap.conf

@@ -22,24 +22,12 @@ avoided_gnulib_modules='
   --avoid=dummy
 '
 
-# These modules are obsolete and can probably be removed soon,
-# but leave them in for now to minimize changes.
-obsolete_gnulib_modules='
-  atexit
-  memcmp
-  memcpy
-  memmove
-  memset
-  strcspn
-  strtod
-  strtol
-'
-
 # gnulib modules used by this package.
 gnulib_modules="
   $avoided_gnulib_modules
   $obsolete_gnulib_modules
   acl
+  alignof
   alloca
   announce-gen
   areadlink-with-size
@@ -52,7 +40,7 @@ gnulib_modules="
   c-strcase
   c-strtod
   c-strtold
-  calloc
+  calloc-gnu
   canon-host
   canonicalize
   chown
@@ -68,6 +56,7 @@ gnulib_modules="
   cycle-check
   d-ino
   d-type
+  di-set
   diacrit
   dirfd
   dirname
@@ -79,10 +68,12 @@ gnulib_modules="
   exclude
   exitfail
   faccessat
+  fadvise
   fchdir
   fcntl
   fcntl-safer
   fdl
+  fdutimensat
   file-type
   fileblocks
   filemode
@@ -97,9 +88,7 @@ gnulib_modules="
   fsusage
   fsync
   ftello
-  ftruncate
   fts
-  getdate
   getgroups
   gethrxtime
   getline
@@ -108,7 +97,7 @@ gnulib_modules="
   getopt-gnu
   getpagesize
   getpass-gnu
-  gettext
+  gettext-h
   gettime
   gettimeofday
   getugroups
@@ -123,6 +112,7 @@ gnulib_modules="
   hard-locale
   hash
   hash-pjw
+  heap
   host-os
   human
   idcache
@@ -141,7 +131,7 @@ gnulib_modules="
   long-options
   lstat
   maintainer-makefile
-  malloc
+  malloc-gnu
   manywarnings
   mbrtowc
   mbsalign
@@ -160,8 +150,10 @@ gnulib_modules="
   modechange
   mountlist
   mpsort
+  netinet_in
   nproc
   obstack
+  parse-datetime
   pathmax
   perl
   physmem
@@ -171,17 +163,17 @@ gnulib_modules="
   priv-set
   progname
   propername
+  pthread
   putenv
   quote
   quotearg
-  raise
   randint
   randperm
   readlink
   readtokens
   readtokens0
   readutmp
-  realloc
+  realloc-gnu
   regex
   remove
   rename
@@ -206,12 +198,16 @@ gnulib_modules="
   stpncpy
   strdup-posix
   strftime
-  strpbrk
   strsignal
+  strtod
   strtoimax
+  strtol
   strtoumax
   symlink
+  sys_ioctl
   sys_stat
+  sys_wait
+  termios
   timespec
   tzset
   uname
@@ -314,7 +310,7 @@ autoconf   2.62
 automake   1.11.1
 autopoint  -
 bison      -
-gettext    -
+gettext    0.18
 git        1.4.4
 gperf      -
 gzip       -
@@ -322,6 +318,7 @@ makeinfo   -
 perl       5.5
 rsync      -
 tar        -
+xz         -
 "
 
 # Automake requires that ChangeLog exist.
@@ -333,4 +330,15 @@ bootstrap_epilogue()
   m=gnulib-tests/gnulib.mk
   sed 's,\.\./\.\.,..,g' $m > $m-t
   mv -f $m-t $m
+
+  # Since this is a "GNU" package, replace this line
+  #   if LC_ALL=C grep 'GNU @PACKAGE@' $(top_srcdir)/* 2>/dev/null \
+  #      | grep -v 'libtool:' >/dev/null; then
+  # with this:
+  #   if true; then
+  # Why?  That pipeline searches all files in $(top_srcdir), and if you
+  # happen to have large files (or apparently large sparse files), the
+  # first grep may well run out of memory.
+  perl -pi -e 's/if LC_ALL=C grep .GNU .PACKAGE.*; then/if true; then/' \
+    po/Makefile.in.in
 }

cfg.mk

@@ -18,7 +18,8 @@
 manual_title = Core GNU utilities
 
 # Tests not to run as part of "make distcheck".
-local-checks-to-skip =
+local-checks-to-skip = \
+  sc_texinfo_acronym
 
 # Tools used to bootstrap this package, used for "announcement".
 bootstrap-tools = autoconf,automake,gnulib,bison
@@ -26,11 +27,14 @@ bootstrap-tools = autoconf,automake,gnulib,bison
 # Now that we have better tests, make this the default.
 export VERBOSE = yes
 
-old_NEWS_hash = beab130e9d41bf8014a0594cfe8b28d4
+old_NEWS_hash = 27e765279d5735f99114b57fa097e6bd
 
 # Add an exemption for sc_makefile_at_at_check.
 _makefile_at_at_check_exceptions = ' && !/^cu_install_program =/'
 
+# Our help-version script is in a slightly different location.
+_hv_file ?= $(srcdir)/tests/misc/help-version
+
 # Ensure that the list of O_ symbols used to compute O_FULLBLOCK is complete.
 dd = $(srcdir)/src/dd.c
 sc_dd_O_FLAGS:
@@ -93,7 +97,8 @@ sc_root_tests:
 # stays in sync with corresponding files in the repository.
 sce = syntax_check_exceptions
 sc_x_sc_dist_check:
-	@test "$$( ($(VC_LIST) | sed -n '/^.x-sc_/p';			\
+	@test "$$( ($(VC_LIST) | sed -n '/\.x-sc_/p'			\
+		     | sed 's|^$(_dot_escaped_srcdir)/||';		\
 		   sed -n '/^$(sce) =[	 ]*\\$$/,/[^\]$$/p'		\
 		     $(srcdir)/Makefile.am				\
 		       | sed 's/^  *//;/^$(sce) =/d'			\
@@ -101,40 +106,6 @@ sc_x_sc_dist_check:
 		   ) | sort | uniq -u)"					\
 	  && { echo 'Makefile.am: $(sce) mismatch' >&2; exit 1; } || :;
 
-headers_with_interesting_macro_defs = \
-  exit.h	\
-  fcntl_.h	\
-  fnmatch_.h	\
-  intprops.h	\
-  inttypes_.h	\
-  lchown.h	\
-  openat.h	\
-  stat-macros.h	\
-  stdint_.h
-
-# Create a list of regular expressions matching the names
-# of macros that are guaranteed by parts of gnulib to be defined.
-.re-defmac:
-	@(cd $(srcdir)/lib;						\
-	  for f in $(headers_with_interesting_macro_defs); do		\
-	    test -f $$f &&						\
-	      sed -n '/^# *define \([^_ (][^ (]*\)[ (].*/s//\1/p' $$f;	\
-	   done;							\
-	 ) | sort -u							\
-	   | grep -Ev 'ATTRIBUTE_NORETURN|SIZE_MAX'			\
-	   | sed 's/^/^# *define /'					\
-	  > $@-t
-	@mv $@-t $@
-
-# Don't define macros that we already get from gnulib header files.
-sc_always_defined_macros: .re-defmac
-	@if test -f $(srcdir)/src/system.h; then			\
-	  trap 'rc=$$?; rm -f .re-defmac; exit $$rc' 0 1 2 3 15;	\
-	  grep -f .re-defmac $$($(VC_LIST))				\
-	    && { echo '$(ME): define the above via some gnulib .h file'	\
-		  1>&2;  exit 1; } || :;				\
-	fi
-
 # Create a list of regular expressions matching the names
 # of files included from system.h.  Exclude a couple.
 .re-list:
@@ -144,13 +115,21 @@ sc_always_defined_macros: .re-defmac
 	  > $@-t
 	@mv $@-t $@
 
+define gl_trap_
+  Exit () { set +e; (exit $$1); exit $$1; };				\
+  for sig in 1 2 3 13 15; do						\
+    eval "trap 'Exit $$(expr $$sig + 128)' $$sig";			\
+  done
+endef
+
 # Files in src/ should not include directly any of
 # the headers already included via system.h.
 sc_system_h_headers: .re-list
 	@if test -f $(srcdir)/src/system.h; then			\
-	  trap 'rc=$$?; rm -f .re-list; exit $$rc' 0 1 2 3 15;		\
+	  trap 'rc=$$?; rm -f .re-list; exit $$rc' 0;			\
+	  $(gl_trap_);							\
 	  grep -nE -f .re-list						\
-	      $$($(VC_LIST_EXCEPT) | grep '^src/')			\
+	      $$($(VC_LIST_EXCEPT) | grep '^\($(srcdir)/\)\?src/')	\
 	    && { echo '$(ME): the above are already included via system.h'\
 		  1>&2;  exit 1; } || :;				\
 	fi
@@ -164,11 +143,26 @@ sc_sun_os_names:
 
 ALL_RECURSIVE_TARGETS += sc_tight_scope
 sc_tight_scope:
-	@$(MAKE) -C src $@
+	@$(MAKE) -s -C src $@
 
 ALL_RECURSIVE_TARGETS += sc_check-AUTHORS
 sc_check-AUTHORS:
-	@$(MAKE) -C src $@
+	@$(MAKE) -s -C src $@
+
+# Option descriptions should not start with a capital letter
+# One could grep source directly as follows:
+# grep -E " {2,6}-.*[^.]  [A-Z][a-z]" $$($(VC_LIST_EXCEPT) | grep '\.c$$')
+# but that would miss descriptions not on the same line as the -option.
+ALL_RECURSIVE_TARGETS += sc_option_desc_uppercase
+sc_option_desc_uppercase:
+	@$(MAKE) -s -C src all_programs
+	@$(MAKE) -s -C man $@
+
+# Ensure all man/*.[1x] files are present
+ALL_RECURSIVE_TARGETS += sc_man_file_correlation
+sc_man_file_correlation:
+	@$(MAKE) -s -C src all_programs
+	@$(MAKE) -s -C man $@
 
 # Perl-based tests used to exec perl from a #!/bin/sh script.
 # Now they all start with #!/usr/bin/perl and the portability
@@ -183,15 +177,15 @@ sc_no_exec_perl_coreutils:
 
 # Don't use "readlink" or "readlinkat" directly
 sc_prohibit_readlink:
-	@re='\<readlink(at)? \('					\
-	msg='do not use readlink(at); use via xreadlink or areadlink*'	\
-	  $(_prohibit_regexp)
+	@prohibit='\<readlink(at)? \('					\
+	halt='do not use readlink(at); use via xreadlink or areadlink*'	\
+	  $(_sc_search_regexp)
 
 # Don't use address of "stat" or "lstat" functions
 sc_prohibit_stat_macro_address:
-	@re='\<l?stat '':|&l?stat\>'					\
-	msg='stat() and lstat() may be function-like macros'		\
-	  $(_prohibit_regexp)
+	@prohibit='\<l?stat '':|&l?stat\>'				\
+	halt='stat() and lstat() may be function-like macros'		\
+	  $(_sc_search_regexp)
 
 # Ensure that date's --help output stays in sync with the info
 # documentation for GNU strftime.  The only exception is %N,
@@ -202,7 +196,7 @@ sc_strftime_check:
 	  grep '^  %.  ' $(srcdir)/src/date.c | sort			\
 	    | $(extract_char) > $@-src;					\
 	  { echo N;							\
-	    info libc date calendar format | grep '^    `%.'\'		\
+	    info libc date calendar format 2>/dev/null|grep '^    `%.'\'\
 	      | $(extract_char); } | sort > $@-info;			\
 	  diff -u $@-src $@-info || exit 1;				\
 	  rm -f $@-src $@-info;						\
@@ -210,22 +204,22 @@ sc_strftime_check:
 
 # Indent only with spaces.
 sc_prohibit_tab_based_indentation:
-	@re='^ *	'						\
-	msg='TAB in indentation; use only spaces'			\
-	  $(_prohibit_regexp)
+	@prohibit='^ *	'						\
+	halt='TAB in indentation; use only spaces'			\
+	  $(_sc_search_regexp)
 
 # Don't use "indent-tabs-mode: nil" anymore.  No longer needed.
 sc_prohibit_emacs__indent_tabs_mode__setting:
-	@re='^( *[*#] *)?indent-tabs-mode:'				\
-	msg='use of emacs indent-tabs-mode: setting'			\
-	  $(_prohibit_regexp)
+	@prohibit='^( *[*#] *)?indent-tabs-mode:'			\
+	halt='use of emacs indent-tabs-mode: setting'			\
+	  $(_sc_search_regexp)
 
 # Ensure that each file that contains fail=1 also contains fail=0.
 # Otherwise, setting file=1 in the environment would make tests fail unexpectedly.
 sc_prohibit_fail_0:
-	@re='\<fail=0\>'						\
-	msg='fail=0 initialization'					\
-	  $(_prohibit_regexp)
+	@prohibit='\<fail=0\>'						\
+	halt='fail=0 initialization'					\
+	  $(_sc_search_regexp)
 
 # Ensure that "stdio--.h" is used where appropriate.
 sc_require_stdio_safer:
@@ -239,11 +233,73 @@ sc_require_stdio_safer:
 	else :;								\
 	fi
 
+sc_prohibit_perl_hash_quotes:
+	@prohibit="\{'[A-Z_]+' *[=}]"					\
+	halt="in Perl code, write \$$hash{KEY}, not \$$hash{'K''EY'}"	\
+	  $(_sc_search_regexp)
+
 # Prefer xnanosleep over other less-precise sleep methods
 sc_prohibit_sleep:
-	@re='\<(nano|u)?sleep \('					\
-	msg='prefer xnanosleep over other sleep interfaces'		\
-	  $(_prohibit_regexp)
+	@prohibit='\<(nano|u)?sleep \('					\
+	halt='prefer xnanosleep over other sleep interfaces'		\
+	  $(_sc_search_regexp)
+
+###########################################################
+_p0 = \([^"'/]\|"\([^\"]\|[\].\)*"\|'\([^\']\|[\].\)*'
+_pre = $(_p0)\|[/][^"'/*]\|[/]"\([^\"]\|[\].\)*"\|[/]'\([^\']\|[\].\)*'\)*
+_pre_anchored = ^\($(_pre)\)
+_comment_and_close = [^*]\|[*][^/*]\)*[*][*]*/
+# help font-lock mode: '
+
+# A sed expression that removes ANSI C and ISO C99 comments.
+# Derived from the one in GNU gettext's 'moopp' preprocessor.
+_sed_remove_comments =					\
+/[/][/*]/{						\
+  ta;							\
+  :a;							\
+  s,$(_pre_anchored)//.*,\1,;				\
+  te;							\
+  s,$(_pre_anchored)/[*]\($(_comment_and_close),\1 ,;	\
+  ta;							\
+  /^$(_pre)[/][*]/{					\
+    s,$(_pre_anchored)/[*].*,\1 ,;			\
+    tu;							\
+    :u;							\
+    n;							\
+    s,^\($(_comment_and_close),,;			\
+    tv;							\
+    s,^.*$$,,;						\
+    bu;							\
+    :v;							\
+  };							\
+  :e;							\
+}
+# Quote all single quotes.
+_sed_rm_comments_q = $(subst ','\'',$(_sed_remove_comments))
+# help font-lock mode: '
+
+_space_before_paren_exempt =? \\n\\$$
+_space_before_paren_exempt = \
+  (^ *\#|\\n\\$$|%s\(to %s|(date|group|character)\(s\))
+# Ensure that there is a space before each open parenthesis in C code.
+sc_space_before_open_paren:
+	@if $(VC_LIST_EXCEPT) | grep -l '\.[ch]$$' > /dev/null; then	\
+	  fail=0;							\
+	  for c in $$($(VC_LIST_EXCEPT) | grep '\.[ch]$$'); do		\
+	    sed '$(_sed_rm_comments_q)' $$c 2>/dev/null			\
+	      | grep -i '[[:alnum:]]('					\
+	      | grep -vE '$(_space_before_paren_exempt)'		\
+	      | grep . && { fail=1; echo "*** $$c"; };			\
+	  done;								\
+	  test $$fail = 1 &&						\
+	    { echo '$(ME): the above files lack a space-before-open-paren' \
+		1>&2; exit 1; } || :;					\
+	else :;								\
+	fi
+
+# Override the default Cc: used in generating an announcement.
+announcement_Cc_ = $(translation_project_), \
+  coreutils@gnu.org, coreutils-announce@gnu.org
 
 include $(srcdir)/dist-check.mk
 

configure.ac

@@ -124,6 +124,13 @@ if test "$gl_gcc_warnings" = yes; then
   nw="$nw -Wold-style-definition"
   gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
   AC_SUBST([GNULIB_WARN_CFLAGS])
+
+  # For gnulib-tests, the set is slightly smaller still.
+  nw=
+  nw="$nw -Wstrict-prototypes"
+  gl_MANYWARN_COMPLEMENT([GNULIB_TEST_WARN_CFLAGS],
+                         [$GNULIB_WARN_CFLAGS], [$nw])
+  AC_SUBST([GNULIB_TEST_WARN_CFLAGS])
 fi
 
 AC_FUNC_FORK
@@ -332,7 +339,6 @@ if test $gl_cv_list_mounted_fs = yes && test $gl_cv_fs_space = yes; then
 fi
 
 # Limit stdbuf to ELF systems with GCC
-optional_pkglib_progs=
 AC_MSG_CHECKING([whether this is an ELF system])
 AC_EGREP_CPP([yes], [#if __ELF__
 yes
@@ -341,7 +347,6 @@ AC_MSG_RESULT([$elf_sys])
 if test "$elf_sys" = "yes" && \
    test "$GCC" = "yes"; then
   gl_ADD_PROG([optional_bin_progs], [stdbuf])
-  gl_ADD_PROG([optional_pkglib_progs], [libstdbuf.so])
 fi
 
 ############################################################################
@@ -395,6 +400,13 @@ esac
 # corresponding ./configure option argument is comma-separated on input.
 gl_INCLUDE_EXCLUDE_PROG([optional_bin_progs], [arch,hostname,su])
 
+# Now that we know which programs will actually be built up, figure out
+# which optional helper progs should be compiled.
+optional_pkglib_progs=
+case " $optional_bin_progs " in
+  *' stdbuf '*) gl_ADD_PROG([optional_pkglib_progs], [libstdbuf.so]) ;;
+esac
+
 # Set INSTALL_SU if su installation has been requested via
 # --enable-install-program=su.
 AC_SUBST([INSTALL_SU])
@@ -432,7 +444,7 @@ AC_SUBST([CONFIG_STATUS_DEPENDENCIES])
 # As long as "grep 'PRI[diouxX]' po/*.pot" reports matches in
 # translatable strings, we must use need-formatstring-macros here.
 AM_GNU_GETTEXT([external], [need-formatstring-macros])
-AM_GNU_GETTEXT_VERSION([0.17])
+AM_GNU_GETTEXT_VERSION([0.18])
 
 # For a test of uniq: it uses the $LOCALE_FR envvar.
 gt_LOCALE_FR

doc/.gitignore

@@ -17,6 +17,8 @@ coreutils.tp
 coreutils.vr
 fdl.texi
 gendocs_template
+get_date.texi
 getdate.texi
+parse-datetime.texi
 stamp-vti
 version.texi

doc/Makefile.am

@@ -17,7 +17,7 @@
 
 info_TEXINFOS = coreutils.texi
 
-EXTRA_DIST = perm.texi getdate.texi constants.texi fdl.texi
+EXTRA_DIST = perm.texi parse-datetime.texi constants.texi fdl.texi
 
 # The following is necessary if the package name is 8 characters or longer.
 # If the info documentation would be split into 10 or more separate files,

doc/coreutils.texi

@@ -53,7 +53,7 @@
 * df: (coreutils)df invocation.                 Report file system disk usage.
 * dir: (coreutils)dir invocation.               List directories briefly.
 * dircolors: (coreutils)dircolors invocation.   Color setup for ls.
-* dirname: (coreutils)dirname invocation.       Strip non-directory suffix.
+* dirname: (coreutils)dirname invocation.       Strip last file name component.
 * du: (coreutils)du invocation.                 Report on disk usage.
 * echo: (coreutils)echo invocation.             Print a line of text.
 * env: (coreutils)env invocation.               Modify the environment.
@@ -197,7 +197,7 @@ Free Documentation License''.
 * File name manipulation::       dirname basename pathchk mktemp
 * Working context::              pwd stty printenv tty
 * User information::             id logname whoami groups users who
-* System context::               date arch uname hostname hostid uptime
+* System context::               date arch nproc uname hostname hostid uptime
 * SELinux context::              chcon runcon
 * Modified command invocation::  chroot env nice nohup stdbuf su timeout
 * Process control::              kill
@@ -377,7 +377,7 @@ Redirection
 File name manipulation
 
 * basename invocation::          Strip directory and suffix from a file name
-* dirname invocation::           Strip non-directory suffix from a file name
+* dirname invocation::           Strip last file name component
 * pathchk invocation::           Check file name validity and portability
 * mktemp invocation::            Create temporary file or directory
 
@@ -474,7 +474,7 @@ Date input formats
 * Pure numbers in date strings:: 19931219, 1440
 * Seconds since the Epoch::      @@1078100502
 * Specifying time zone rules::   TZ="America/New_York", TZ="UTC0"
-* Authors of get_date::          Bellovin, Eggert, Salz, Berets, et al
+* Authors of parse_datetime::    Bellovin, Eggert, Salz, Berets, et al
 
 Opening the software toolbox
 
@@ -1494,7 +1494,8 @@ Display a @samp{$} after the end of each line.
 @itemx --number
 @opindex -n
 @opindex --number
-Number all output lines, starting with 1.
+Number all output lines, starting with 1.  This option is ignored
+if @option{-b} is in effect.
 
 @item -s
 @itemx --squeeze-blank
@@ -3413,14 +3414,12 @@ options}.
 Note: The MD5 digest is more reliable than a simple CRC (provided by
 the @command{cksum} command) for detecting accidental file corruption,
 as the chances of accidentally having two files with identical MD5
-are vanishingly small.  However, it should not be considered truly
-secure against malicious tampering: although finding a file with a
-given MD5 fingerprint, or modifying a file so as to retain its MD5 are
-considered infeasible at the moment, it is known how to produce
-different files with identical MD5 (a ``collision''), something which
-can be a security issue in certain contexts.  For more secure hashes,
-consider using SHA-1 or SHA-2.  @xref{sha1sum invocation}, and
-@ref{sha2 utilities}.
+are vanishingly small.  However, it should not be considered secure
+against malicious tampering: although finding a file with a given MD5
+fingerprint is considered infeasible at the moment, it is known how
+to modify certain files, including digital certificates, so that they
+appear valid when signed with an MD5 digest.
+For more secure hashes, consider using SHA-2.  @xref{sha2 utilities}.
 
 If a @var{file} is specified as @samp{-} or if no files are given
 @command{md5sum} computes the checksum for the standard input.
@@ -3767,8 +3766,8 @@ the final result, after the throwing away.))
 @opindex --sort
 @cindex general numeric sort
 @vindex LC_NUMERIC
-Sort numerically, using the standard C function @code{strtod} to convert
-a prefix of each line to a double-precision floating point number.
+Sort numerically, using the standard C function @code{strtold} to convert
+a prefix of each line to a long double-precision floating point number.
 This allows floating point numbers to be specified in scientific notation,
 like @code{1.0e-34} and @code{10e100}.
 The @env{LC_NUMERIC} locale determines the decimal-point character.
@@ -3801,12 +3800,18 @@ converting to floating point.
 @opindex --sort
 @cindex human numeric sort
 @vindex LC_NUMERIC
-Sort numerically, as per the @option{--numeric-sort} option below, and in
-addition handle IEC or SI suffixes like MiB, MB etc (@ref{Block size}).
-Note a mixture of IEC and SI suffixes is not supported and will
-be flagged as an error.  Also the numbers must be abbreviated uniformly.
-I.E. values with different precisions like 6000K and 5M will be sorted
-incorrectly.
+Sort numerically, first by numeric sign (negative, zero, or positive);
+then by @acronym{SI} suffix (either empty, or @samp{k} or @samp{K}, or
+one of @samp{MGTPEZY}, in that order; @pxref{Block size}); and finally
+by numeric value.  For example, @samp{1023M} sorts before @samp{1G}
+because @samp{M} (mega) precedes @samp{G} (giga) as an @acronym{SI}
+suffix.  This option sorts values that are consistently scaled to the
+nearest suffix, regardless of whether suffixes denote powers of 1000
+or 1024, and it therefore sorts the output of any single invocation of
+the @command{df}, @command{du}, or @command{ls} commands that are
+invoked with their @option{--human-readable} or @option{--si} options.
+The syntax for numbers is the same as for the @option{--numeric-sort}
+option; the @acronym{SI} suffix must immediately follow the number.
 
 @item -i
 @itemx --ignore-nonprinting
@@ -3939,6 +3944,12 @@ multiple fields.
 
 Example:  To sort on the second field, use @option{--key=2,2}
 (@option{-k 2,2}).  See below for more notes on keys and more examples.
+See also the @option{--debug} option to help determine the part
+of the line being used in the sort.
+
+@item --debug
+Highlight the portion of each line used for sorting.
+Also issue warnings about questionable usage to stderr.
 
 @item --batch-size=@var{nmerge}
 @opindex --batch-size
@@ -4061,6 +4072,14 @@ have a large sort or merge that is I/O-bound, you can often improve
 performance by using this option to specify directories on different
 disks and controllers.
 
+@item --parallel=@var{n}
+@opindex --parallel
+@cindex multithreaded sort
+Limit the number of sorts run in parallel to @var{n}. By default,
+@var{n} is set to the number of available processors, and values
+greater than that are reduced to that limit. Also see
+@ref{nproc invocation}.
+
 @item -u
 @itemx --unique
 @opindex -u
@@ -4114,7 +4133,7 @@ the start and end positions of a field specification, and if it is
 inherited from the global options it will be attached to both.
 If input lines can contain leading or adjacent blanks and @option{-t}
 is not used, then @option{-k} is typically combined with @option{-b} or
-an option that implicitly ignores leading blanks (@samp{MghnV}) as otherwise
+an option that implicitly ignores leading blanks (@samp{Mghn}) as otherwise
 the varying numbers of leading blanks in fields can cause confusing results.
 
 If the start position in a sort field specifier falls after the end of
@@ -4126,6 +4145,11 @@ is counted from the first nonblank character of the field.
 @vindex POSIXLY_CORRECT
 On older systems, @command{sort} supports an obsolete origin-zero
 syntax @samp{+@var{pos1} [-@var{pos2}]} for specifying sort keys.
+The obsolete sequence @samp{sort +@var{a}.@var{x} -@var{b}.@var{y}}
+is equivalent to @samp{sort -k @var{a+1}.@var{x+1},@var{b}} if @var{y}
+is @samp{0} or absent, otherwise it is equivalent to @samp{sort -k
+@var{a+1}.@var{x+1},@var{b+1}.@var{y}}.
+
 This obsolete behavior can be enabled or disabled with the
 @env{_POSIX2_VERSION} environment variable (@pxref{Standards
 conformance}); it can also be enabled when @env{POSIXLY_CORRECT} is
@@ -4150,6 +4174,13 @@ Sort in descending (reverse) numeric order.
 sort -n -r
 @end example
 
+@item
+Run no more that 4 sorts concurrently, using a buffer size of 10M.
+
+@example
+sort --parallel=4 -S 10M
+@end example
+
 @item
 Sort alphabetically, omitting the first and second fields
 and the blanks at the start of the third field.
@@ -5318,7 +5349,13 @@ of selected bytes.
 Select for printing only the fields listed in @var{field-list}.
 Fields are separated by a TAB character by default.  Also print any
 line that contains no delimiter character, unless the
-@option{--only-delimited} (@option{-s}) option is specified
+@option{--only-delimited} (@option{-s}) option is specified.
+Note @command{cut} does not support specifying runs of whitespace as a
+delimiter, so to achieve that common functionality one can pre-process
+with @command{tr} like:
+@example
+tr -s '[:blank:]' '\t' | cut -f@dots{}
+@end example
 
 @item -d @var{input_delim_byte}
 @itemx --delimiter=@var{input_delim_byte}
@@ -5462,6 +5499,8 @@ locales and options if the output of @command{sort} is fed to
 sort a file on its default join field, but if you select a non-default
 locale, join field, separator, or comparison options, then you should
 do so consistently between @command{join} and @command{sort}.
+If @samp{join -t ''} is specified then the whole line is considered which
+matches the default operation of sort.
 
 If the input has no unpairable lines, a @acronym{GNU} extension is
 available; the sort order can be any order that considers two fields
@@ -5515,6 +5554,15 @@ Do not check that both input files are in sorted order.  This is the default.
 Replace those output fields that are missing in the input with
 @var{string}.
 
+@item --header
+@opindex --header
+Treat the first line of each input file as a header line. The header lines will
+be joined and printed as the first output line.  If @option{-o} is used to
+specify output format, the header line will be printed according to the
+specified format.  The header lines will not be checked for ordering even if
+@option{--check-order} is specified.  Also if the header lines from each file
+do not match, the heading fields from the first file will be used.
+
 @item -i
 @itemx --ignore-case
 @opindex -i
@@ -5563,7 +5611,10 @@ option---are subject to the specified @var{field-list}.
 Use character @var{char} as the input and output field separator.
 Treat as significant each occurrence of @var{char} in the input file.
 Use @samp{sort -t @var{char}}, without the @option{-b} option of
-@samp{sort}, to produce this ordering.
+@samp{sort}, to produce this ordering.  If @samp{join -t ''} is specified,
+the whole line is considered, matching the default operation of sort.
+If @samp{-t '\0'} is specified then the @acronym{ASCII} @sc{nul}
+character is used to delimit the fields.
 
 @item -v @var{file-number}
 Print a line for each unpairable line in file @var{file-number}
@@ -6895,11 +6946,10 @@ is 80.
 @node Formatting file timestamps
 @subsection Formatting file timestamps
 
-By default, file timestamps are listed in abbreviated form.  Most
-locales use a timestamp like @samp{2002-03-30 23:45}.  However, the
-default @acronym{POSIX} locale uses a date like @samp{Mar 30@ @ 2002}
-for non-recent timestamps, and a date-without-year and time like
-@samp{Mar 30 23:45} for recent timestamps.
+By default, file timestamps are listed in abbreviated form, using
+a date like @samp{Mar 30@ @ 2002} for non-recent timestamps, and a
+date-without-year and time like @samp{Mar 30 23:45} for recent timestamps.
+This format can change depending on the current locale as detailed below.
 
 A timestamp is considered to be @dfn{recent} if it is less than six
 months old, and is not dated in the future.  If a timestamp dated
@@ -7326,6 +7376,12 @@ Try to preserve SELinux security context and extended attributes (xattr),
 but ignore any failure to do that and print no corresponding diagnostic.
 Equivalent to @option{-dR --preserve=all} with the reduced diagnostics.
 
+@itemx --attributes-only
+@opindex --attributes-only
+Preserve the specified attributes of the original files in the copy,
+but do not copy any data.  See the @option{--preserve} option for
+controlling which attributes to copy.
+
 @item -b
 @itemx @w{@kbd{--backup}[=@var{method}]}
 @opindex -b
@@ -7487,19 +7543,18 @@ $ mkdir b c; (cd b; : > a; ln -s a b); cp -aL b c; ls -i1 c/b
 @end smallexample
 
 @itemx context
-Preserve SELinux security context of the file. @command{cp} will fail
-if the preserving of SELinux security context is not succesful.
+Preserve SELinux security context of the file, or fail with full diagnostics.
 @itemx xattr
-Preserve extended attributes if @command{cp} is built with xattr support,
-and xattrs are supported and enabled on your file system.
-If SELinux context and/or ACLs are implemented using xattrs,
+Preserve extended attributes of the file, or fail with full diagnostics.
+If @command{cp} is built without xattr support, ignore this option.
+If SELinux context, ACLs or Capabilities are implemented using xattrs,
 they are preserved by this option as well.
 @itemx all
 Preserve all file attributes.
 Equivalent to specifying all of the above, but with the difference
 that failure to preserve SELinux security context or extended attributes
-does not change @command{cp}'s exit status.
-@command{cp} does diagnose such failures.
+does not change @command{cp}'s exit status.  In contrast to @option{-a},
+all but @samp{Operation not supported} warnings are output.
 @end table
 
 Using @option{--preserve} with no @var{attribute_list} is equivalent
@@ -7990,6 +8045,11 @@ followed by a multiplier: @samp{b}=512, @samp{c}=1,
 @samp{w}=2, @samp{x@var{m}}=@var{m}, or any of the
 standard block size suffixes like @samp{k}=1024 (@pxref{Block size}).
 
+Any block size you specify via @samp{bs=}, @samp{ibs=}, @samp{obs=}, @samp{cbs=}
+should not be too large---values larger than a few megabytes
+are generally wasteful or (as in the gigabyte..exabyte case) downright
+counterproductive or error-inducing.
+
 Use different @command{dd} invocations to use different block sizes for
 skipping and I/O@.  For example, the following shell commands copy data
 in 512 KiB blocks between a disk and a tape, but do not save or restore a
@@ -8255,7 +8315,9 @@ the destination partition and the second and third would be left on the
 original partition.
 
 @cindex extended attributes, xattr
-@command{mv} always tries to copy extended attributes (xattr).
+@command{mv} always tries to copy extended attributes (xattr), which may
+include SELinux context, ACLs or Capabilities.
+Upon failure all but @samp{Operation not supported} warnings are output.
 
 @cindex prompting, and @command{mv}
 If a destination file exists but is normally unwritable, standard input
@@ -8425,6 +8487,7 @@ removal is requested.  Equivalent to @option{-I}.
 When removing a hierarchy recursively, skip any directory that is on a
 file system different from that of the corresponding command line argument.
 
+@cindex bind mount
 This option is useful when removing a build ``chroot'' hierarchy,
 which normally contains no valuable data.  However, it is not uncommon
 to bind-mount @file{/home} into such a hierarchy, to make it easier to
@@ -8698,7 +8761,7 @@ The intended use of this is to shred a removed temporary file.
 For example:
 
 @example
-i=`tempfile -m 0600`
+i=`mktemp`
 exec 3<>"$i"
 rm -- "$i"
 echo "Hello, world" >&3
@@ -10395,7 +10458,9 @@ This option is equivalent to @option{--block-size=1M}.
 For each symbolic links encountered by @command{du},
 consider the disk space used by the symbolic link.
 
+@item -d @var{depth}
 @item --max-depth=@var{depth}
+@opindex -d @var{depth}
 @opindex --max-depth=@var{depth}
 @cindex limiting output of @command{du}
 Show the total for each directory (and file if --all) that is at
@@ -10565,6 +10630,7 @@ Without it, @command{stat} acts on any symbolic link argument directly.
 @cindex file systems
 Report information about the file systems where the given files are located
 instead of information about the files themselves.
+This option implies the @option{-L} option.
 
 @item -c
 @itemx --format=@var{format}
@@ -10613,6 +10679,7 @@ The valid @var{format} directives for files with @option{--format} and
 @item %A - Access rights in human readable form
 @item %b - Number of blocks allocated (see @samp{%B})
 @item %B - The size in bytes of each block reported by @samp{%b}
+@item %C - The SELinux security context of a file, if available
 @item %d - Device number in decimal
 @item %D - Device number in hex
 @item %f - Raw mode in hex
@@ -10621,6 +10688,7 @@ The valid @var{format} directives for files with @option{--format} and
 @item %G - Group name of owner
 @item %h - Number of hard links
 @item %i - Inode number
+@item %m - Mount point (See note below)
 @item %n - File name
 @item %N - Quoted file name with dereference if symbolic link
 @item %o - I/O block size
@@ -10629,6 +10697,8 @@ The valid @var{format} directives for files with @option{--format} and
 @item %T - Minor device type in hex
 @item %u - User ID of owner
 @item %U - User name of owner
+@item %w - Time of file birth, or @samp{-} if unknown
+@item %W - Time of file birth as seconds since Epoch, or @samp{-}
 @item %x - Time of last access
 @item %X - Time of last access as seconds since Epoch
 @item %y - Time of last modification
@@ -10637,6 +10707,23 @@ The valid @var{format} directives for files with @option{--format} and
 @item %Z - Time of last change as seconds since Epoch
 @end itemize
 
+The mount point printed by @samp{%m} is similar to that output
+by @command{df}, except that:
+@itemize @bullet
+@item
+stat does not dereference symlinks by default
+(unless @option{-L} is specified)
+@item
+stat does not search for specified device nodes in the
+file system list, instead operating on them directly
+@item
+@cindex bind mount
+stat outputs the alias for a bind mounted file, rather than
+the initial mount point of its backing device.
+One can recursively call stat until there is no change in output,
+to get the current base mount point
+@end itemize
+
 When listing file system information (@option{--file-system} (@option{-f})),
 you must use a different set of @var{format} directives:
 
@@ -10733,13 +10820,13 @@ Treat @var{size} as number of I/O blocks of the @var{file} rather than bytes.
 @itemx --reference=@var{rfile}
 @opindex -r
 @opindex --reference
-Set the size of each @var{file} to the same size as @var{rfile}.
+Base the size of each @var{file} on the size of @var{rfile}.
 
 @item -s @var{size}
 @itemx --size=@var{size}
 @opindex -s
 @opindex --size
-Set the size of each @var{file} to this @var{size}.
+Set or adjust the size of each @var{file} according to @var{size}.
 @multiplierSuffixesNoBlocks{size}
 
 @var{size} may also be prefixed by one of the following to adjust
@@ -11888,7 +11975,7 @@ This section describes commands that manipulate file names.
 
 @menu
 * basename invocation::         Strip directory and suffix from a file name.
-* dirname invocation::          Strip non-directory suffix from a file name.
+* dirname invocation::          Strip last file name component.
 * pathchk invocation::          Check file name validity and portability.
 * mktemp invocation::           Create temporary file or directory.
 @end menu
@@ -11949,7 +12036,7 @@ basename include/stdio.h .h
 
 
 @node dirname invocation
-@section @command{dirname}: Strip non-directory suffix from a file name
+@section @command{dirname}: Strip last file name component
 
 @pindex dirname
 @cindex directory components, printing
@@ -11957,14 +12044,17 @@ basename include/stdio.h .h
 @cindex non-directory suffix, stripping
 
 @command{dirname} prints all but the final slash-delimited component of
-a string (presumably a file name).  Synopsis:
+@var{name}.  Slashes on either side of the final component are also
+removed.  If the string contains no slash, @command{dirname} prints
+@samp{.} (meaning the current directory).  Synopsis:
 
 @example
 dirname @var{name}
 @end example
 
-If @var{name} is a single component, @command{dirname} prints @samp{.}
-(meaning the current directory).
+@var{name} need not be a file name, but if it is, this operation
+effectively lists the directory that contains the final component,
+including the case when the final component is itself a directory.
 
 @basenameAndDirname
 
@@ -11983,6 +12073,7 @@ Examples:
 @smallexample
 # Output "/usr/bin".
 dirname /usr/bin/sort
+dirname /usr/bin//.//
 
 # Output ".".
 dirname stdio.h
@@ -15201,31 +15292,25 @@ might find this idea strange at first.
 still running after the specified time interval.  Synopsis:
 
 @example
-timeout [@var{option}] @var{number}[smhd] @var{command} [@var{arg}]@dots{}
+timeout [@var{option}] @var{duration} @var{command} [@var{arg}]@dots{}
 @end example
 
-@cindex time units
-@var{number} is an integer followed by an optional unit; the default
-is seconds.  The units are:
-
-@table @samp
-@item s
-seconds
-@item m
-minutes
-@item h
-hours
-@item d
-days
-@end table
-
 @var{command} must not be a special built-in utility (@pxref{Special
 built-in utilities}).
 
-The program accepts the following option.  Also see @ref{Common options}.
+The program accepts the following options.  Also see @ref{Common options}.
 Options must precede operands.
 
 @table @samp
+@item -k @var{duration}
+@itemx --kill-after=@var{duration}
+@opindex -k
+@opindex --kill-after
+Ensure the monitored @var{command} is killed by also sending a @samp{KILL}
+signal, after the specified @var{duration}.  Without this option, if the
+selected signal proves not to be fatal, @command{timeout} does not kill
+the @var{command}.
+
 @item -s @var{signal}
 @itemx --signal=@var{signal}
 @opindex -s
@@ -15233,9 +15318,18 @@ Options must precede operands.
 Send this @var{signal} to @var{command} on timeout, rather than the
 default @samp{TERM} signal. @var{signal} may be a name like @samp{HUP}
 or a number. Also see @xref{Signal specifications}.
-
 @end table
 
+@cindex time units
+@var{duration} is an integer followed by an optional unit:
+@display
+@samp{s} for seconds (the default)
+@samp{m} for minutes
+@samp{h} for hours
+@samp{d} for days
+@end display
+A duration of 0 disables the associated timeout.
+
 @cindex exit status of @command{timeout}
 Exit status:
 
@@ -15441,7 +15535,7 @@ M8=`echo 2^31-1|bc` ; M9=`echo 2^61-1|bc`
 Similarly, factoring the eighth Fermat number @math{2^{256}+1} takes
 about 20 seconds on the same machine.
 
-Factoring large prime numbers is, in general, hard.  The Pollard Rho
+Factoring large numbers is, in general, hard.  The Pollard Rho
 algorithm used by @command{factor} is particularly effective for
 numbers with relatively small factors.  If you wish to factor large
 numbers which do not have small factors (for example, numbers which
@@ -15584,7 +15678,7 @@ outputs 1.0000000000000000007 twice and skips 1.0000000000000000008.
 @chapter File permissions
 @include perm.texi
 
-@include getdate.texi
+@include parse-datetime.texi
 
 @c              What's GNU?
 @c              Arnold Robbins

gl/lib/di-set.c

@@ -0,0 +1,237 @@
+/* Set operations for device-inode pairs stored in a space-efficient manner.
+
+   Copyright 2009-2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* written by Paul Eggert and Jim Meyering */
+
+#include <config.h>
+#include "di-set.h"
+
+#include "hash.h"
+#include "ino-map.h"
+
+#include <limits.h>
+#include <stdlib.h>
+
+/* The hash package hashes "void *", but this package wants to hash
+   integers.  Use integers that are as large as possible, but no
+   larger than void *, so that they can be cast to void * and back
+   without losing information.  */
+typedef size_t hashint;
+#define HASHINT_MAX ((hashint) -1)
+
+/* Integers represent inode numbers.  Integers in the range
+   1..(LARGE_INO_MIN-1) represent inode numbers directly.  (The hash
+   package does not work with null pointers, so inode 0 cannot be used
+   as a key.)  To find the representations of other inode numbers, map
+   them through INO_MAP.  */
+#define LARGE_INO_MIN (HASHINT_MAX / 2)
+
+/* Set operations for device-inode pairs stored in a space-efficient
+   manner.  Use a two-level hash table.  The top level hashes by
+   device number, as there are typically a small number of devices.
+   The lower level hashes by mapped inode numbers.  In the typical
+   case where the inode number is positive and small, the inode number
+   maps to itself, masquerading as a void * value; otherwise, its
+   value is the result of hashing the inode value through INO_MAP.  */
+
+/* A pair that maps a device number to a set of inode numbers.  */
+struct di_ent
+{
+  dev_t dev;
+  struct hash_table *ino_set;
+};
+
+/* A two-level hash table that manages and indexes these pairs.  */
+struct di_set
+{
+  /* Map device numbers to sets of inode number representatives.  */
+  struct hash_table *dev_map;
+
+  /* If nonnull, map large inode numbers to their small
+     representatives.  If null, there are no large inode numbers in
+     this set.  */
+  struct ino_map *ino_map;
+
+  /* Cache of the most recently allocated and otherwise-unused storage
+     for probing this table.  */
+  struct di_ent *probe;
+};
+
+/* Hash a device-inode-set entry.  */
+static size_t
+di_ent_hash (void const *x, size_t table_size)
+{
+  struct di_ent const *p = x;
+  dev_t dev = p->dev;
+
+  /* When DEV is wider than size_t, exclusive-OR the words of DEV into H.
+     This avoids loss of info, without applying % to the wider type,
+     which could be quite slow on some systems.  */
+  size_t h = dev;
+  unsigned int i;
+  unsigned int n_words = sizeof dev / sizeof h + (sizeof dev % sizeof h != 0);
+  for (i = 1; i < n_words; i++)
+    h ^= dev >> CHAR_BIT * sizeof h * i;
+
+  return h % table_size;
+}
+
+/* Return true if two device-inode-set entries are the same.  */
+static bool
+di_ent_compare (void const *x, void const *y)
+{
+  struct di_ent const *a = x;
+  struct di_ent const *b = y;
+  return a->dev == b->dev;
+}
+
+/* Free a device-inode-set entry.  */
+static void
+di_ent_free (void *v)
+{
+  struct di_ent *a = v;
+  hash_free (a->ino_set);
+  free (a);
+}
+
+/* Create a set of device-inode pairs.  Return NULL on allocation failure.  */
+struct di_set *
+di_set_alloc (void)
+{
+  struct di_set *dis = malloc (sizeof *dis);
+  if (dis)
+    {
+      enum { INITIAL_DEV_MAP_SIZE = 11 };
+      dis->dev_map = hash_initialize (INITIAL_DEV_MAP_SIZE, NULL,
+                                      di_ent_hash, di_ent_compare,
+                                      di_ent_free);
+      if (! dis->dev_map)
+        {
+          free (dis);
+          return NULL;
+        }
+      dis->ino_map = NULL;
+      dis->probe = NULL;
+    }
+
+  return dis;
+}
+
+/* Free a set of device-inode pairs.  */
+void
+di_set_free (struct di_set *dis)
+{
+  hash_free (dis->dev_map);
+  free (dis->ino_map);
+  free (dis->probe);
+  free (dis);
+}
+
+/* Hash an encoded inode number I.  */
+static size_t
+di_ino_hash (void const *i, size_t table_size)
+{
+  return (hashint) i % table_size;
+}
+
+/* Using the DIS table, map a device to a hash table that represents
+   a set of inode numbers.  Return NULL on error.  */
+static struct hash_table *
+map_device (struct di_set *dis, dev_t dev)
+{
+  /* Find space for the probe, reusing the cache if available.  */
+  struct di_ent *ent;
+  struct di_ent *probe = dis->probe;
+  if (probe)
+    {
+      /* If repeating a recent query, return the cached result.   */
+      if (probe->dev == dev)
+        return probe->ino_set;
+    }
+  else
+    {
+      dis->probe = probe = malloc (sizeof *probe);
+      if (! probe)
+        return NULL;
+    }
+
+  /* Probe for the device.  */
+  probe->dev = dev;
+  ent = hash_insert (dis->dev_map, probe);
+  if (! ent)
+    return NULL;
+
+  if (ent != probe)
+    {
+      /* Use the existing entry.  */
+      probe->ino_set = ent->ino_set;
+    }
+  else
+    {
+      enum { INITIAL_INO_SET_SIZE = 1021 };
+
+      /* Prepare to allocate a new probe next time; this one is in use.  */
+      dis->probe = NULL;
+
+      /* DEV is new; allocate an inode set for it.  */
+      probe->ino_set = hash_initialize (INITIAL_INO_SET_SIZE, NULL,
+                                        di_ino_hash, NULL, NULL);
+    }
+
+  return probe->ino_set;
+}
+
+/* Using the DIS table, map an inode number to a mapped value.
+   Return INO_MAP_INSERT_FAILURE on error.  */
+static hashint
+map_inode_number (struct di_set *dis, ino_t ino)
+{
+  if (0 < ino && ino < LARGE_INO_MIN)
+    return ino;
+
+  if (! dis->ino_map)
+    {
+      dis->ino_map = ino_map_alloc (LARGE_INO_MIN);
+      if (! dis->ino_map)
+        return INO_MAP_INSERT_FAILURE;
+    }
+
+  return ino_map_insert (dis->ino_map, ino);
+}
+
+/* Attempt to insert the DEV,INO pair into the set DIS.
+   If it matches a pair already in DIS, keep that pair and return 0.
+   Otherwise, if insertion is successful, return 1.
+   Upon any failure return -1.  */
+int
+di_set_insert (struct di_set *dis, dev_t dev, ino_t ino)
+{
+  hashint i;
+
+  /* Map the device number to a set of inodes.  */
+  struct hash_table *ino_set = map_device (dis, dev);
+  if (! ino_set)
+    return -1;
+
+  /* Map the inode number to a small representative I.  */
+  i = map_inode_number (dis, ino);
+  if (i == INO_MAP_INSERT_FAILURE)
+    return -1;
+
+  /* Put I into the inode set.  */
+  return hash_insert0 (ino_set, (void *) i, NULL);
+}

gl/lib/di-set.h

@@ -0,0 +1,12 @@
+#include <sys/types.h>
+
+#undef _ATTRIBUTE_NONNULL_
+#if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || 3 < __GNUC__
+# define _ATTRIBUTE_NONNULL_(m) __attribute__ ((__nonnull__ (m)))
+#else
+# define _ATTRIBUTE_NONNULL_(m)
+#endif
+
+struct di_set *di_set_alloc (void);
+int di_set_insert (struct di_set *, dev_t, ino_t) _ATTRIBUTE_NONNULL_ (1);
+void di_set_free (struct di_set *) _ATTRIBUTE_NONNULL_ (1);

gl/lib/fadvise.c

@@ -0,0 +1,37 @@
+/* Declare an access pattern hint for files.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+#include "fadvise.h"
+
+#include <stdio.h>
+#include <fcntl.h>
+#include "ignore-value.h"
+
+void
+fdadvise (int fd, off_t offset, off_t len, fadvice_t advice)
+{
+#if HAVE_POSIX_FADVISE
+  ignore_value (posix_fadvise (fd, offset, len, advice));
+#endif
+}
+
+void
+fadvise (FILE *fp, fadvice_t advice)
+{
+  if (fp)
+    fdadvise (fileno (fp), 0, 0, advice);
+}

gl/lib/fadvise.h

@@ -0,0 +1,72 @@
+/* Declare an access pattern hint for files.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/types.h>
+
+/* There are a few hints one can provide, which have the
+   following characteristics on Linux 2.6.31 at least.
+
+   POSIX_FADV_SEQUENTIAL
+     Doubles the size of read ahead done for file
+   POSIX_FADV_WILLNEED
+     _synchronously_ prepopulate the buffer cache with the file
+   POSIX_FADV_NOREUSE
+     Could lower priority of data in buffer caches,
+     but currently does nothing.
+   POSIX_FADV_DONTNEED
+     Drop the file from cache.
+     Note this is automatically done when files are unlinked.
+
+   We use this enum "type" both to make it explicit that
+   these options are mutually exclusive, and to discourage
+   the passing of the possibly undefined POSIX_FADV_... values.
+   Note we could #undef the POSIX_FADV_ values, but that would
+   preclude using the posix_fadvise() function with its standard
+   constants. Using posix_fadvise() might be required if the return
+   value is needed, but it must be guarded by appropriate #ifdefs.  */
+
+#if HAVE_POSIX_FADVISE
+typedef enum {
+  FADVISE_NORMAL =     POSIX_FADV_NORMAL,
+  FADVISE_SEQUENTIAL = POSIX_FADV_SEQUENTIAL,
+  FADVISE_NOREUSE =    POSIX_FADV_NOREUSE,
+  FADVISE_DONTNEED =   POSIX_FADV_DONTNEED,
+  FADVISE_WILLNEED =   POSIX_FADV_WILLNEED,
+  FADVISE_RANDOM =     POSIX_FADV_RANDOM,
+} fadvice_t;
+#else
+typedef enum {
+  FADVISE_NORMAL,
+  FADVISE_SEQUENTIAL,
+  FADVISE_NOREUSE,
+  FADVISE_DONTNEED,
+  FADVISE_WILLNEED,
+  FADVISE_RANDOM,
+} fadvice_t;
+#endif
+
+/* We ignore any errors as these hints are only advisory.
+   There is the chance one can pass invalid ADVICE, which will
+   not be indicated, but given the simplicity of the interface
+   this is unlikely.  Also not returning errors allows the
+   unconditional passing of descriptors to non standard files,
+   which will just be ignored if unsupported.  */
+
+void fdadvise (int fd, off_t offset, off_t len, fadvice_t advice);
+void fadvise (FILE *fp, fadvice_t advice);

gl/lib/heap.c

@@ -0,0 +1,149 @@
+/* Barebones heap implementation supporting only insert and pop.
+
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Full implementation: GDSL (http://gna.org/projects/gdsl/) by Nicolas
+   Darnis <ndarnis@free.fr>. */
+
+#include <config.h>
+
+#include "heap.h"
+#include "stdlib--.h"
+#include "xalloc.h"
+
+static int heap_default_compare (void const *, void const *);
+static size_t heapify_down (void **, size_t, size_t,
+                            int (*) (void const *, void const *));
+static void heapify_up (void **, size_t,
+                        int (*) (void const *, void const *));
+
+struct heap
+{
+  void **array;     /* array[0] is not used */
+  size_t capacity;  /* Array size */
+  size_t count;     /* Used as index to last element. Also is num of items. */
+  int (*compare) (void const *, void const *);
+};
+
+/* Allocate memory for the heap. */
+
+struct heap *
+heap_alloc (int (*compare) (void const *, void const *), size_t n_reserve)
+{
+  struct heap *heap = xmalloc (sizeof *heap);
+
+  if (n_reserve == 0)
+    n_reserve = 1;
+
+  heap->array = xnmalloc (n_reserve, sizeof *(heap->array));
+
+  heap->array[0] = NULL;
+  heap->capacity = n_reserve;
+  heap->count = 0;
+  heap->compare = compare ? compare : heap_default_compare;
+
+  return heap;
+}
+
+
+static int
+heap_default_compare (void const *a, void const *b)
+{
+  return 0;
+}
+
+
+void
+heap_free (struct heap *heap)
+{
+  free (heap->array);
+  free (heap);
+}
+
+/* Insert element into heap. */
+
+int
+heap_insert (struct heap *heap, void *item)
+{
+  if (heap->capacity - 1 <= heap->count)
+    heap->array = x2nrealloc (heap->array, &heap->capacity,
+                              sizeof *(heap->array));
+
+  heap->array[++heap->count] = item;
+  heapify_up (heap->array, heap->count, heap->compare);
+
+  return 0;
+}
+
+/* Pop top element off heap. */
+
+void *
+heap_remove_top (struct heap *heap)
+{
+  if (heap->count == 0)
+    return NULL;
+
+  void *top = heap->array[1];
+  heap->array[1] = heap->array[heap->count--];
+  heapify_down (heap->array, heap->count, 1, heap->compare);
+
+  return top;
+}
+
+/* Move element down into appropriate position in heap. */
+
+static size_t
+heapify_down (void **array, size_t count, size_t initial,
+              int (*compare) (void const *, void const *))
+{
+  void *element = array[initial];
+
+  size_t parent = initial;
+  while (parent <= count / 2)
+    {
+      size_t child = 2 * parent;
+
+      if (child < count && compare (array[child], array[child+1]) < 0)
+        child++;
+
+      if (compare (array[child], element) <= 0)
+        break;
+
+      array[parent] = array[child];
+      parent = child;
+    }
+
+  array[parent] = element;
+  return parent;
+}
+
+/* Move element up into appropriate position in heap. */
+
+static void
+heapify_up (void **array, size_t count,
+            int (*compare) (void const *, void const *))
+{
+  size_t k = count;
+  void *new_element = array[k];
+
+  while (k != 1 && compare (array[k/2], new_element) <= 0)
+    {
+      array[k] = array[k/2];
+      k /= 2;
+    }
+
+  array[k] = new_element;
+}

gl/lib/heap.h

@@ -0,0 +1,26 @@
+/* Barebones heap implementation supporting only insert and pop.
+
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Full implementation: GDSL (http://gna.org/projects/gdsl/) by Nicolas
+   Darnis <ndarnis@free.fr>. Adapted by Gene Auyeung. */
+
+#include <stddef.h>
+
+struct heap *heap_alloc (int (*) (void const *, void const *), size_t);
+void heap_free (struct heap *);
+int heap_insert (struct heap *heap, void *item);
+void *heap_remove_top (struct heap *heap);

gl/lib/ino-map.c

@@ -0,0 +1,164 @@
+/* Map an ino_t inode number to a small integer.
+
+   Copyright 2009, 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* written by Paul Eggert and Jim Meyering */
+
+#include <config.h>
+#include "ino-map.h"
+
+#include "hash.h"
+#include "verify.h"
+
+#include <limits.h>
+#include <stdlib.h>
+
+/* A pair that maps an inode number to a mapped inode number; the
+   latter is a small unique ID for the former.  */
+struct ino_map_ent
+{
+  ino_t ino;
+  size_t mapped_ino;
+};
+
+/* A table that manages and indexes these pairs.  */
+struct ino_map
+{
+  /* A table of KEY,VAL pairs, where KEY is the raw ino_t value and
+     VAL is the small number that it maps to.  */
+  struct hash_table *map;
+
+  /* The next mapped inode number to hand out.  */
+  size_t next_mapped_ino;
+
+  /* Cache of the most recently allocated and otherwise-unused storage
+     for probing the table.  */
+  struct ino_map_ent *probe;
+};
+
+/* Hash an inode map entry.  */
+static size_t
+ino_hash (void const *x, size_t table_size)
+{
+  struct ino_map_ent const *p = x;
+  ino_t ino = p->ino;
+
+  /* When INO is wider than size_t, exclusive-OR the words of INO into H.
+     This avoids loss of info, without applying % to the wider type,
+     which could be quite slow on some systems.  */
+  size_t h = ino;
+  unsigned int i;
+  unsigned int n_words = sizeof ino / sizeof h + (sizeof ino % sizeof h != 0);
+  for (i = 1; i < n_words; i++)
+    h ^= ino >> CHAR_BIT * sizeof h * i;
+
+  return h % table_size;
+}
+
+/* Return true if two inode map entries are the same.  */
+static bool
+ino_compare (void const *x, void const *y)
+{
+  struct ino_map_ent const *a = x;
+  struct ino_map_ent const *b = y;
+  return a->ino == b->ino;
+}
+
+/* Allocate an inode map that will hand out integers starting with
+   NEXT_MAPPED_INO.  Return NULL if memory is exhausted.  */
+struct ino_map *
+ino_map_alloc (size_t next_mapped_ino)
+{
+  struct ino_map *im = malloc (sizeof *im);
+
+  if (im)
+    {
+      enum { INITIAL_INO_MAP_TABLE_SIZE = 1021 };
+      im->map = hash_initialize (INITIAL_INO_MAP_TABLE_SIZE, NULL,
+                                 ino_hash, ino_compare, free);
+      if (! im->map)
+        {
+          free (im);
+          return NULL;
+        }
+      im->next_mapped_ino = next_mapped_ino;
+      im->probe = NULL;
+    }
+
+  return im;
+}
+
+/* Free an inode map.  */
+void
+ino_map_free (struct ino_map *map)
+{
+  hash_free (map->map);
+  free (map->probe);
+  free (map);
+}
+
+
+/* Insert into MAP the inode number INO if it's not there already,
+   and return its nonnegative mapped inode number.
+   If INO is already in MAP, return the existing mapped inode number.
+   Return INO_MAP_INSERT_FAILURE on memory or counter exhaustion.  */
+size_t
+ino_map_insert (struct ino_map *im, ino_t ino)
+{
+  struct ino_map_ent *ent;
+
+  /* Find space for the probe, reusing the cache if available.  */
+  struct ino_map_ent *probe = im->probe;
+  if (probe)
+    {
+      /* If repeating a recent query, return the cached result.   */
+      if (probe->ino == ino)
+        return probe->mapped_ino;
+    }
+  else
+    {
+      im->probe = probe = malloc (sizeof *probe);
+      if (! probe)
+        return INO_MAP_INSERT_FAILURE;
+    }
+
+  probe->ino = ino;
+  ent = hash_insert (im->map, probe);
+  if (! ent)
+    return INO_MAP_INSERT_FAILURE;
+
+  if (ent != probe)
+    {
+      /* Use the existing entry.  */
+      probe->mapped_ino = ent->mapped_ino;
+    }
+  else
+    {
+      /* If adding 1 to map->next_mapped_ino would cause it to
+         overflow to zero, then it must equal INO_MAP_INSERT_FAILURE,
+         which is the value that should be returned in that case.
+         Verify that this works.  */
+      verify (INO_MAP_INSERT_FAILURE + 1 == 0);
+
+      /* Prepare to allocate a new probe next time; this one is in use.  */
+      im->probe = NULL;
+
+      /* INO is new; allocate a mapped inode number for it.  */
+      probe->mapped_ino = im->next_mapped_ino++;
+    }
+
+  return probe->mapped_ino;
+}

gl/lib/ino-map.h

@@ -0,0 +1,14 @@
+#include <sys/types.h>
+
+#undef _ATTRIBUTE_NONNULL_
+#if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || 3 < __GNUC__
+# define _ATTRIBUTE_NONNULL_(m) __attribute__ ((__nonnull__ (m)))
+#else
+# define _ATTRIBUTE_NONNULL_(m)
+#endif
+
+#define INO_MAP_INSERT_FAILURE ((size_t) -1)
+
+struct ino_map *ino_map_alloc (size_t);
+void ino_map_free (struct ino_map *) _ATTRIBUTE_NONNULL_ (1);
+size_t ino_map_insert (struct ino_map *, ino_t) _ATTRIBUTE_NONNULL_ (1);

gl/lib/mbsalign.c

@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <stdbool.h>
 #include <limits.h>
 #include <wchar.h>
@@ -32,6 +33,7 @@
 #endif
 
 /* Replace non printable chars.
+   Note \t and \n etc. are non printable.
    Return 1 if replacement made, 0 otherwise.  */
 
 static bool
@@ -119,19 +121,19 @@ mbs_align_pad (char *dest, const char* dest_end, size_t n_spaces)
    ALIGNMENT specifies whether to left- or right-justify or to center.
    If SRC requires more than *WIDTH columns, truncate it to fit.
    When centering, the number of trailing spaces may be one less than the
-   number of leading spaces. The FLAGS parameter is unused at present.
+   number of leading spaces.
    Return the length in bytes required for the final result, not counting
    the trailing NUL.  A return value of DEST_SIZE or larger means there
    wasn't enough space.  DEST will be NUL terminated in any case.
-   Return (size_t) -1 upon error (invalid multi-byte sequence in SRC,
-   or malloc failure).
+   Return SIZE_MAX upon error (invalid multi-byte sequence in SRC,
+   or malloc failure), unless MBA_UNIBYTE_FALLBACK is specified.
    Update *WIDTH to indicate how many columns were used before padding.  */
 
 size_t
 mbsalign (const char *src, char *dest, size_t dest_size,
-          size_t *width, mbs_align_t align, int flags _UNUSED_PARAMETER_)
+          size_t *width, mbs_align_t align, int flags)
 {
-  size_t ret = -1;
+  size_t ret = SIZE_MAX;
   size_t src_size = strlen (src) + 1;
   char *newstr = NULL;
   wchar_t *str_wc = NULL;
@@ -148,13 +150,23 @@ mbsalign (const char *src, char *dest, size_t dest_size,
   if (MB_CUR_MAX > 1)
     {
       size_t src_chars = mbstowcs (NULL, src, 0);
-      if (src_chars == (size_t) -1)
-        goto mbsalign_cleanup;
+      if (src_chars == SIZE_MAX)
+        {
+          if (flags & MBA_UNIBYTE_FALLBACK)
+            goto mbsalign_unibyte;
+          else
+            goto mbsalign_cleanup;
+        }
       src_chars += 1; /* make space for NUL */
       str_wc = malloc (src_chars * sizeof (wchar_t));
       if (str_wc == NULL)
-        goto mbsalign_cleanup;
-      if (mbstowcs (str_wc, src, src_chars) > 0)
+        {
+          if (flags & MBA_UNIBYTE_FALLBACK)
+            goto mbsalign_unibyte;
+          else
+            goto mbsalign_cleanup;
+        }
+      if (mbstowcs (str_wc, src, src_chars) != 0)
         {
           str_wc[src_chars - 1] = L'\0';
           wc_enabled = true;
@@ -165,27 +177,36 @@ mbsalign (const char *src, char *dest, size_t dest_size,
 
   /* If we transformed or need to truncate the source string
      then create a modified copy of it.  */
-  if (conversion || (n_cols > *width))
+  if (wc_enabled && (conversion || (n_cols > *width)))
     {
-      newstr = malloc (src_size);
-      if (newstr == NULL)
-        goto mbsalign_cleanup;
-      str_to_print = newstr;
-      if (wc_enabled)
+        if (conversion)
+          {
+             /* May have increased the size by converting
+                \t to \uFFFD for example.  */
+            src_size = wcstombs (NULL, str_wc, 0) + 1;
+          }
+        newstr = malloc (src_size);
+        if (newstr == NULL)
         {
-          n_cols = wc_truncate (str_wc, *width);
-          n_used_bytes = wcstombs (newstr, str_wc, src_size);
-        }
-      else
-        {
-          n_cols = *width;
-          n_used_bytes = n_cols;
-          memcpy (newstr, src, n_cols);
-          newstr[n_cols] = '\0';
+          if (flags & MBA_UNIBYTE_FALLBACK)
+            goto mbsalign_unibyte;
+          else
+            goto mbsalign_cleanup;
         }
+        str_to_print = newstr;
+        n_cols = wc_truncate (str_wc, *width);
+        n_used_bytes = wcstombs (newstr, str_wc, src_size);
     }
 
-  if (*width > n_cols)
+mbsalign_unibyte:
+
+  if (n_cols > *width) /* Unibyte truncation required.  */
+    {
+      n_cols = *width;
+      n_used_bytes = n_cols;
+    }
+
+  if (*width > n_cols) /* Padding required.  */
     n_spaces = *width - n_cols;
 
   /* indicate to caller how many cells needed (not including padding).  */
@@ -197,16 +218,11 @@ mbsalign (const char *src, char *dest, size_t dest_size,
   /* Write as much NUL terminated output to DEST as possible.  */
   if (dest_size != 0)
     {
+      size_t start_spaces, end_spaces, space_left;
       char *dest_end = dest + dest_size - 1;
-      size_t start_spaces = n_spaces / 2 + n_spaces % 2;
-      size_t end_spaces = n_spaces / 2;
 
       switch (align)
         {
-        case MBS_ALIGN_CENTER:
-          start_spaces = n_spaces / 2 + n_spaces % 2;
-          end_spaces = n_spaces / 2;
-          break;
         case MBS_ALIGN_LEFT:
           start_spaces = 0;
           end_spaces = n_spaces;
@@ -215,10 +231,16 @@ mbsalign (const char *src, char *dest, size_t dest_size,
           start_spaces = n_spaces;
           end_spaces = 0;
           break;
+        case MBS_ALIGN_CENTER:
+        default:
+          start_spaces = n_spaces / 2 + n_spaces % 2;
+          end_spaces = n_spaces / 2;
+          break;
         }
 
       dest = mbs_align_pad (dest, dest_end, start_spaces);
-      dest = mempcpy(dest, str_to_print, MIN (n_used_bytes, dest_end - dest));
+      space_left = dest_end - dest;
+      dest = mempcpy (dest, str_to_print, MIN (n_used_bytes, space_left));
       mbs_align_pad (dest, dest_end, end_spaces);
     }
 
@@ -229,3 +251,40 @@ mbsalign_cleanup:
 
   return ret;
 }
+
+/* A wrapper around mbsalign() to dynamically allocate the
+   minimum amount of memory to store the result.
+   Return NULL on failure.  */
+
+char *
+ambsalign (const char *src, size_t *width, mbs_align_t align, int flags)
+{
+  size_t orig_width = *width;
+  size_t size = *width;         /* Start with enough for unibyte mode.  */
+  size_t req = size;
+  char *buf = NULL;
+
+  while (req >= size)
+    {
+      char *nbuf;
+      size = req + 1;           /* Space for NUL.  */
+      nbuf = realloc (buf, size);
+      if (nbuf == NULL)
+        {
+          free (buf);
+          buf = NULL;
+          break;
+        }
+      buf = nbuf;
+      *width = orig_width;
+      req = mbsalign (src, buf, size, width, align, flags);
+      if (req == SIZE_MAX)
+        {
+          free (buf);
+          buf = NULL;
+          break;
+        }
+    }
+
+  return buf;
+}

gl/lib/mbsalign.h

@@ -18,6 +18,29 @@
 
 typedef enum { MBS_ALIGN_LEFT, MBS_ALIGN_RIGHT, MBS_ALIGN_CENTER } mbs_align_t;
 
+enum {
+  /* Use unibyte mode for invalid multibyte strings or
+     or when heap memory is exhausted.  */
+  MBA_UNIBYTE_FALLBACK = 0x0001
+
+#if 0 /* Other possible options.  */
+  /* Skip invalid multibyte chars rather than failing  */
+  MBA_IGNORE_INVALID   = 0x0002,
+
+  /* Align multibyte strings using "figure space" (\u2007)  */
+  MBA_USE_FIGURE_SPACE = 0x0004,
+
+  /* Don't add any padding  */
+  MBA_TRUNCATE_ONLY    = 0x0008,
+
+  /* Don't truncate  */
+  MBA_PAD_ONLY         = 0x0010,
+#endif
+};
+
 size_t
 mbsalign (const char *src, char *dest, size_t dest_size,
           size_t *width, mbs_align_t align, int flags);
+
+char *
+ambsalign (const char *src, size_t *width, mbs_align_t align, int flags);

gl/lib/rand-isaac.c

@@ -1,4 +1,4 @@
-/* Bob Jenkins's cryptographic random number generator, ISAAC.
+/* Bob Jenkins's cryptographic random number generators, ISAAC and ISAAC64.
 
    Copyright (C) 1999-2006, 2009-2010 Free Software Foundation, Inc.
    Copyright (C) 1997, 1998, 1999 Colin Plumb.
@@ -16,7 +16,7 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-   Written by Colin Plumb.  */
+   Written by Colin Plumb and Paul Eggert.  */
 
 /*
  * --------------------------------------------------------------------
@@ -34,60 +34,90 @@
 
 #include "rand-isaac.h"
 
-#include <string.h>
-#include <unistd.h>
+#include <limits.h>
 
-#include "gethrxtime.h"
-
-
-/* This index operation is more efficient on many processors */
-#define ind(mm, x) \
-  (* (uint32_t *) ((char *) (mm) \
-                   + ((x) & (ISAAC_WORDS - 1) * sizeof (uint32_t))))
-
-/*
- * The central step.  This uses two temporaries, x and y.  mm is the
- * whole state array, while m is a pointer to the current word.  off is
- * the offset from m to the word ISAAC_WORDS/2 words away in the mm array,
- * i.e. +/- ISAAC_WORDS/2.
- */
-#define isaac_step(mix, a, b, mm, m, off, r) \
-( \
-  a = ((a) ^ (mix)) + (m)[off], \
-  x = *(m), \
-  *(m) = y = ind (mm, x) + (a) + (b), \
-  *(r) = b = ind (mm, (y) >> ISAAC_LOG) + x \
-)
-
-/* Use and update *S to generate random data to fill R.  */
-void
-isaac_refill (struct isaac_state *s, uint32_t r[ISAAC_WORDS])
+/* The minimum of two sizes A and B.  */
+static inline size_t
+min (size_t a, size_t b)
 {
-  uint32_t a, b;		/* Caches of a and b */
-  uint32_t x, y;		/* Temps needed by isaac_step macro */
-  uint32_t *m = s->mm;	/* Pointer into state array */
+  return (a < b ? a : b);
+}
 
-  a = s->a;
-  b = s->b + (++s->c);
+/* A if 32-bit ISAAC, B if 64-bit.  This is a macro, not an inline
+   function, to prevent undefined behavior if the unused argument
+   shifts by more than a word width.  */
+#define IF32(a, b) (ISAAC_BITS == 32 ? (a) : (b))
+
+/* Discard bits outside the desired range.  On typical machines, any
+   decent compiler should optimize this function call away to nothing.
+   But machines with pad bits in integers may need to do more work.  */
+static inline isaac_word
+just (isaac_word a)
+{
+  isaac_word desired_bits = ((isaac_word) 1 << 1 << (ISAAC_BITS - 1)) - 1;
+  return a & desired_bits;
+}
+
+/* The index operation.  On typical machines whose words are exactly
+   the right size, this is optimized to a mask, an addition, and an
+   indirect load.  Atypical machines need more work.  */
+static inline isaac_word
+ind (isaac_word const *m, isaac_word x)
+{
+  return (sizeof *m * CHAR_BIT == ISAAC_BITS
+          ? (* (isaac_word *) ((char *) m
+                               + (x & ((ISAAC_WORDS - 1) * sizeof *m))))
+          : m[(x / (ISAAC_BITS / CHAR_BIT)) & (ISAAC_WORDS - 1)]);
+}
+
+/* Use and update *S to generate random data to fill RESULT.  */
+void
+isaac_refill (struct isaac_state *s, isaac_word result[ISAAC_WORDS])
+{
+  /* Caches of S->a and S->b.  */
+  isaac_word a = s->a;
+  isaac_word b = s->b + (++s->c);
+
+  /* Pointers into state array and into result.  */
+  isaac_word *m = s->m;
+  isaac_word *r = result;
+
+  enum { HALF = ISAAC_WORDS / 2 };
+
+  /* The central step.  S->m is the whole state array, while M is a
+     pointer to the current word.  OFF is the offset from M to the
+     word ISAAC_WORDS/2 words away in the SM array, i.e. +/-
+     ISAAC_WORDS/2.  A and B are state variables, and R the result.
+     This updates A, B, M[I], and R[I].  */
+  #define ISAAC_STEP(i, off, mix)                             \
+    {                                                         \
+      isaac_word x, y;                                        \
+      a = (IF32 (a, 0) ^ (mix)) + m[off + (i)];               \
+      x = m[i];                                               \
+      m[i] = y = ind (s->m, x) + a + b;                       \
+      r[i] = b = just (ind (s->m, y >> ISAAC_WORDS_LOG) + x); \
+    }
 
   do
     {
-      isaac_step (a << 13, a, b, s->mm, m, ISAAC_WORDS / 2, r);
-      isaac_step (a >> 6, a, b, s->mm, m + 1, ISAAC_WORDS / 2, r + 1);
-      isaac_step (a << 2, a, b, s->mm, m + 2, ISAAC_WORDS / 2, r + 2);
-      isaac_step (a >> 16, a, b, s->mm, m + 3, ISAAC_WORDS / 2, r + 3);
+      ISAAC_STEP (0, HALF, IF32 (      a  << 13, ~ (a ^ (a << 21))));
+      ISAAC_STEP (1, HALF, IF32 (just (a) >>  6, a ^ (just (a) >>  5)));
+      ISAAC_STEP (2, HALF, IF32 (      a  <<  2, a ^ (      a  << 12)));
+      ISAAC_STEP (3, HALF, IF32 (just (a) >> 16, a ^ (just (a) >> 33)));
       r += 4;
     }
-  while ((m += 4) < s->mm + ISAAC_WORDS / 2);
+  while ((m += 4) < s->m + HALF);
+
   do
     {
-      isaac_step (a << 13, a, b, s->mm, m, -ISAAC_WORDS / 2, r);
-      isaac_step (a >> 6, a, b, s->mm, m + 1, -ISAAC_WORDS / 2, r + 1);
-      isaac_step (a << 2, a, b, s->mm, m + 2, -ISAAC_WORDS / 2, r + 2);
-      isaac_step (a >> 16, a, b, s->mm, m + 3, -ISAAC_WORDS / 2, r + 3);
+      ISAAC_STEP (0, -HALF, IF32 (      a  << 13, ~ (a ^ (a << 21))));
+      ISAAC_STEP (1, -HALF, IF32 (just (a) >>  6, a ^ (just (a) >>  5)));
+      ISAAC_STEP (2, -HALF, IF32 (      a  <<  2, a ^ (      a  << 12)));
+      ISAAC_STEP (3, -HALF, IF32 (just (a) >> 16, a ^ (just (a) >> 33)));
       r += 4;
     }
-  while ((m += 4) < s->mm + ISAAC_WORDS);
+  while ((m += 4) < s->m + ISAAC_WORDS);
+
   s->a = a;
   s->b = b;
 }
@@ -96,205 +126,133 @@ isaac_refill (struct isaac_state *s, uint32_t r[ISAAC_WORDS])
  * The basic seed-scrambling step for initialization, based on Bob
  * Jenkins' 256-bit hash.
  */
-#define mix(a,b,c,d,e,f,g,h) \
-   (       a ^= b << 11, d += a, \
-   b += c, b ^= c >>  2, e += b, \
-   c += d, c ^= d <<  8, f += c, \
-   d += e, d ^= e >> 16, g += d, \
-   e += f, e ^= f << 10, h += e, \
-   f += g, f ^= g >>  4, a += f, \
-   g += h, g ^= h <<  8, b += g, \
-   h += a, h ^= a >>  9, c += h, \
-   a += b                        )
+#if ISAAC_BITS == 32
+ #define mix(a, b, c, d, e, f, g, h)       \
+    {                                      \
+              a ^=       b  << 11; d += a; \
+      b += c; b ^= just (c) >>  2; e += b; \
+      c += d; c ^=       d  <<  8; f += c; \
+      d += e; d ^= just (e) >> 16; g += d; \
+      e += f; e ^=       f  << 10; h += e; \
+      f += g; f ^= just (g) >>  4; a += f; \
+      g += h; g ^=       h  <<  8; b += g; \
+      h += a; h ^= just (a) >>  9; c += h; \
+      a += b;                              \
+    }
+#else
+ #define mix(a, b, c, d, e, f, g, h)       \
+    {                                      \
+      a -= e; f ^= just (h) >>  9; h += a; \
+      b -= f; g ^=       a  <<  9; a += b; \
+      c -= g; h ^= just (b) >> 23; b += c; \
+      d -= h; a ^=       c  << 15; c += d; \
+      e -= a; b ^= just (d) >> 14; d += e; \
+      f -= b; c ^=       e  << 20; e += f; \
+      g -= c; d ^= just (f) >> 17; f += g; \
+      h -= d; e ^=       g  << 14; g += h; \
+    }
+#endif
+
 
 /* The basic ISAAC initialization pass.  */
-static void
-isaac_mix (struct isaac_state *s, uint32_t const seed[/* ISAAC_WORDS */])
-{
-  int i;
-  uint32_t a = s->iv[0];
-  uint32_t b = s->iv[1];
-  uint32_t c = s->iv[2];
-  uint32_t d = s->iv[3];
-  uint32_t e = s->iv[4];
-  uint32_t f = s->iv[5];
-  uint32_t g = s->iv[6];
-  uint32_t h = s->iv[7];
-
-  for (i = 0; i < ISAAC_WORDS; i += 8)
-    {
-      a += seed[i];
-      b += seed[i + 1];
-      c += seed[i + 2];
-      d += seed[i + 3];
-      e += seed[i + 4];
-      f += seed[i + 5];
-      g += seed[i + 6];
-      h += seed[i + 7];
-
-      mix (a, b, c, d, e, f, g, h);
-
-      s->mm[i] = a;
-      s->mm[i + 1] = b;
-      s->mm[i + 2] = c;
-      s->mm[i + 3] = d;
-      s->mm[i + 4] = e;
-      s->mm[i + 5] = f;
-      s->mm[i + 6] = g;
-      s->mm[i + 7] = h;
-    }
-
-  s->iv[0] = a;
-  s->iv[1] = b;
-  s->iv[2] = c;
-  s->iv[3] = d;
-  s->iv[4] = e;
-  s->iv[5] = f;
-  s->iv[6] = g;
-  s->iv[7] = h;
-}
+#define ISAAC_MIX(s, a, b, c, d, e, f, g, h, seed) \
+  {                                                \
+    int i;                                         \
+                                                   \
+    for (i = 0; i < ISAAC_WORDS; i += 8)           \
+      {                                            \
+        a += seed[i];                              \
+        b += seed[i + 1];                          \
+        c += seed[i + 2];                          \
+        d += seed[i + 3];                          \
+        e += seed[i + 4];                          \
+        f += seed[i + 5];                          \
+        g += seed[i + 6];                          \
+        h += seed[i + 7];                          \
+        mix (a, b, c, d, e, f, g, h);              \
+        s->m[i] = a;                               \
+        s->m[i + 1] = b;                           \
+        s->m[i + 2] = c;                           \
+        s->m[i + 3] = d;                           \
+        s->m[i + 4] = e;                           \
+        s->m[i + 5] = f;                           \
+        s->m[i + 6] = g;                           \
+        s->m[i + 7] = h;                           \
+      }                                            \
+  }
 
 #if 0 /* Provided for reference only; not used in this code */
 /*
  * Initialize the ISAAC RNG with the given seed material.
  * Its size MUST be a multiple of ISAAC_BYTES, and may be
- * stored in the s->mm array.
+ * stored in the s->m array.
  *
  * This is a generalization of the original ISAAC initialization code
  * to support larger seed sizes.  For seed sizes of 0 and ISAAC_BYTES,
  * it is identical.
  */
 static void
-isaac_init (struct isaac_state *s, uint32_t const *seed, size_t seedsize)
+isaac_init (struct isaac_state *s, isaac_word const *seed, size_t seedsize)
 {
-  static uint32_t const iv[8] =
-  {
-    0x1367df5a, 0x95d90059, 0xc3163e4b, 0x0f421ad8,
-    0xd92a4a78, 0xa51a3c49, 0xc4efea1b, 0x30609119};
-  int i;
+  isaac_word a, b, c, d, e, f, g, h;
 
-# if 0
-  /* The initialization of iv is a precomputed form of: */
-  for (i = 0; i < 7; i++)
-    iv[i] = 0x9e3779b9;		/* the golden ratio */
-  for (i = 0; i < 4; ++i)	/* scramble it */
-    mix (iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
-# endif
+  a = b = c = d = e = f = g = h =          /* the golden ratio */
+    IF32 (UINT32_C (0x9e3779b9), UINT64_C (0x9e3779b97f4a7c13));
+  for (int i = 0; i < 4; i++)              /* scramble it */
+    mix (a, b, c, d, e, f, g, h);
   s->a = s->b = s->c = 0;
 
-  for (i = 0; i < 8; i++)
-    s->iv[i] = iv[i];
-
   if (seedsize)
     {
       /* First pass (as in reference ISAAC code) */
-      isaac_mix (s, seed);
+      ISAAC_MIX (s, a, b, c, d, e, f, g, h, seed);
       /* Second and subsequent passes (extension to ISAAC) */
       while (seedsize -= ISAAC_BYTES)
         {
           seed += ISAAC_WORDS;
           for (i = 0; i < ISAAC_WORDS; i++)
-            s->mm[i] += seed[i];
-          isaac_mix (s, s->mm);
+            s->m[i] += seed[i];
+          ISAAC_MIX (s, a, b, c, d, e, f, g, h, s->m);
         }
     }
   else
     {
       /* The no seed case (as in reference ISAAC code) */
       for (i = 0; i < ISAAC_WORDS; i++)
-        s->mm[i] = 0;
+        s->m[i] = 0;
     }
 
   /* Final pass */
-  isaac_mix (s, s->mm);
+  ISAAC_MIX (s, a, b, c, d, e, f, g, h, s->m);
 }
 #endif
 
-/* Initialize *S to a somewhat-random value.  */
-static void
-isaac_seed_start (struct isaac_state *s)
-{
-  static uint32_t const iv[8] =
-    {
-      0x1367df5a, 0x95d90059, 0xc3163e4b, 0x0f421ad8,
-      0xd92a4a78, 0xa51a3c49, 0xc4efea1b, 0x30609119
-    };
-
-#if 0
-  /* The initialization of iv is a precomputed form of: */
-  int i;
-  for (i = 0; i < 7; i++)
-    iv[i] = 0x9e3779b9;		/* the golden ratio */
-  for (i = 0; i < 4; ++i)	/* scramble it */
-    mix (iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
-#endif
-
-  memset (s->mm, 0, sizeof s->mm);
-  memcpy (s->iv, iv, sizeof s->iv);
-
-  /* s->c gets used for a data pointer during the seeding phase */
-  s->a = s->b = s->c = 0;
-}
-
-/* Add a buffer of seed material.  */
-static void
-isaac_seed_data (struct isaac_state *s, void const *buffer, size_t size)
-{
-  unsigned char const *buf = buffer;
-  unsigned char *p;
-  size_t avail;
-  size_t i;
-
-  avail = sizeof s->mm - s->c;	/* s->c is used as a write pointer */
-
-  /* Do any full buffers that are necessary */
-  while (size > avail)
-    {
-      p = (unsigned char *) s->mm + s->c;
-      for (i = 0; i < avail; i++)
-        p[i] ^= buf[i];
-      buf += avail;
-      size -= avail;
-      isaac_mix (s, s->mm);
-      s->c = 0;
-      avail = sizeof s->mm;
-    }
-
-  /* And the final partial block */
-  p = (unsigned char *) s->mm + s->c;
-  for (i = 0; i < size; i++)
-    p[i] ^= buf[i];
-  s->c = size;
-}
-
-
-/* End of seeding phase; get everything ready to produce output. */
-static void
-isaac_seed_finish (struct isaac_state *s)
-{
-  isaac_mix (s, s->mm);
-  isaac_mix (s, s->mm);
-  /* Now reinitialize c to start things off right */
-  s->c = 0;
-}
-#define ISAAC_SEED(s,x) isaac_seed_data (s, &(x), sizeof (x))
-
-/* Initialize *S to a somewhat-random value; this starts seeding,
-   seeds with somewhat-random data, and finishes seeding.  */
+/* Initialize *S to a somewhat-random value, derived from a seed
+   stored in S->m.  */
 void
 isaac_seed (struct isaac_state *s)
 {
-  isaac_seed_start (s);
+  isaac_word a = IF32 (UINT32_C (0x1367df5a), UINT64_C (0x647c4677a2884b7c));
+  isaac_word b = IF32 (UINT32_C (0x95d90059), UINT64_C (0xb9f8b322c73ac862));
+  isaac_word c = IF32 (UINT32_C (0xc3163e4b), UINT64_C (0x8c0ea5053d4712a0));
+  isaac_word d = IF32 (UINT32_C (0x0f421ad8), UINT64_C (0xb29b2e824a595524));
+  isaac_word e = IF32 (UINT32_C (0xd92a4a78), UINT64_C (0x82f053db8355e0ce));
+  isaac_word f = IF32 (UINT32_C (0xa51a3c49), UINT64_C (0x48fe4a0fa5a09315));
+  isaac_word g = IF32 (UINT32_C (0xc4efea1b), UINT64_C (0xae985bf2cbfc89ed));
+  isaac_word h = IF32 (UINT32_C (0x30609119), UINT64_C (0x98f5704f6c44c0ab));
 
-  { pid_t t = getpid ();   ISAAC_SEED (s, t); }
-  { pid_t t = getppid ();  ISAAC_SEED (s, t); }
-  { uid_t t = getuid ();   ISAAC_SEED (s, t); }
-  { gid_t t = getgid ();   ISAAC_SEED (s, t); }
+#if 0
+  /* The initialization of a through h is a precomputed form of: */
+  a = b = c = d = e = f = g = h =          /* the golden ratio */
+    IF32 (UINT32_C (0x9e3779b9), UINT64_C (0x9e3779b97f4a7c13));
+  for (int i = 0; i < 4; i++)              /* scramble it */
+    mix (a, b, c, d, e, f, g, h);
+#endif
 
-  {
-    xtime_t t = gethrxtime ();
-    ISAAC_SEED (s, t);
-  }
+  /* Mix S->m so that every part of the seed affects every part of the
+     state.  */
+  ISAAC_MIX (s, a, b, c, d, e, f, g, h, s->m);
+  ISAAC_MIX (s, a, b, c, d, e, f, g, h, s->m);
 
-  isaac_seed_finish (s);
+  s->a = s->b = s->c = 0;
 }

gl/lib/rand-isaac.h

@@ -1,4 +1,4 @@
-/* Bob Jenkins's cryptographic random number generator, ISAAC.
+/* Bob Jenkins's cryptographic random number generators, ISAAC and ISAAC64.
 
    Copyright (C) 1999-2005, 2009-2010 Free Software Foundation, Inc.
    Copyright (C) 1997, 1998, 1999 Colin Plumb.
@@ -16,28 +16,50 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-   Written by Colin Plumb.  */
+   Written by Colin Plumb and Paul Eggert.  */
 
-#ifndef RAND_ISAAC_H
-# define RAND_ISAAC_H
+#ifndef _GL_RAND_ISAAC_H
+#define _GL_RAND_ISAAC_H
 
-# include <stdint.h>
+#include <stddef.h>
+#include <stdint.h>
 
-/* Size of the state tables to use.  ISAAC_LOG should be at least 3,
+/* Log base 2 of the number of useful bits in an ISAAC word.  It must
+   be either 5 or 6.  By default, this uses a value that should be
+   faster for this architecture.  */
+#ifndef ISAAC_BITS_LOG
+ #if SIZE_MAX >> 31 >> 31 < 3 /* SIZE_MAX < 2**64 - 1 */
+  #define ISAAC_BITS_LOG 5
+ #else
+  #define ISAAC_BITS_LOG 6
+ #endif
+#endif
+
+/* The number of bits in an ISAAC word.  */
+#define ISAAC_BITS (1 << ISAAC_BITS_LOG)
+
+#if ISAAC_BITS == 32
+  typedef uint_least32_t isaac_word;
+#else
+  typedef uint_least64_t isaac_word;
+#endif
+
+/* Size of the state tables to use.  ISAAC_WORDS_LOG should be at least 3,
    and smaller values give less security.  */
-# define ISAAC_LOG 8
-# define ISAAC_WORDS (1 << ISAAC_LOG)
-# define ISAAC_BYTES (ISAAC_WORDS * sizeof (uint32_t))
+#define ISAAC_WORDS_LOG 8
+#define ISAAC_WORDS (1 << ISAAC_WORDS_LOG)
+#define ISAAC_BYTES (ISAAC_WORDS * sizeof (isaac_word))
 
-/* RNG state variables.  The members of this structure are private.  */
+/* State variables for the random number generator.  The M member
+   should be seeded with nonce data before calling isaac_seed.  The
+   other members are private.  */
 struct isaac_state
   {
-    uint32_t mm[ISAAC_WORDS];	/* Main state array */
-    uint32_t iv[8];		/* Seeding initial vector */
-    uint32_t a, b, c;		/* Extra index variables */
+    isaac_word m[ISAAC_WORDS];	/* Main state array */
+    isaac_word a, b, c;		/* Extra variables */
   };
 
 void isaac_seed (struct isaac_state *);
-void isaac_refill (struct isaac_state *, uint32_t[ISAAC_WORDS]);
+void isaac_refill (struct isaac_state *, isaac_word[ISAAC_WORDS]);
 
 #endif

gl/lib/randint.c

@@ -125,7 +125,7 @@ randint_genmax (struct randint_source *s, randint genmax)
   randint randmax = s->randmax;
   randint choices = genmax + 1;
 
-  for (;;)
+  while (1)
     {
       if (randmax < genmax)
         {

gl/lib/randread.c

@@ -24,12 +24,15 @@
 #include <errno.h>
 #include <error.h>
 #include <exitfail.h>
+#include <fcntl.h>
 #include <quotearg.h>
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/time.h>
+#include <unistd.h>
 
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
@@ -60,6 +63,10 @@
 # define ALIGNED_POINTER(ptr, type) ((size_t) (ptr) % alignof (type) == 0)
 #endif
 
+#ifndef NAME_OF_NONCE_DEVICE
+#define NAME_OF_NONCE_DEVICE "/dev/urandom"
+#endif
+
 /* The maximum buffer size used for reads of random data.  Using the
    value 2 * ISAAC_BYTES makes this the largest power of two that
    would not otherwise cause struct randread_source to grow.  */
@@ -100,7 +107,7 @@ struct randread_source
       /* Up to a buffer's worth of pseudorandom data.  */
       union
       {
-        uint32_t w[ISAAC_WORDS];
+        isaac_word w[ISAAC_WORDS];
         unsigned char b[ISAAC_BYTES];
       } data;
     } isaac;
@@ -133,6 +140,52 @@ simple_new (FILE *source, void const *handler_arg)
   return s;
 }
 
+/* Put a nonce value into BUFFER, with size BUFSIZE, but do not get
+   more than BYTES_BOUND bytes' worth of random information from any
+   nonce device.  */
+
+static void
+get_nonce (void *buffer, size_t bufsize, size_t bytes_bound)
+{
+  char *buf = buffer;
+  ssize_t seeded = 0;
+
+  /* Get some data from FD if available.  */
+  int fd = open (NAME_OF_NONCE_DEVICE, O_RDONLY | O_BINARY);
+  if (0 <= fd)
+    {
+      seeded = read (fd, buf, MIN (bufsize, bytes_bound));
+      if (seeded < 0)
+        seeded = 0;
+      close (fd);
+    }
+
+  /* If there's no nonce device, use a poor approximation
+     by getting the time of day, etc.  */
+# define ISAAC_SEED(type, initialize_v)                     \
+  if (seeded < bufsize)                                     \
+    {                                                       \
+      type v;                                               \
+      size_t nbytes = MIN (sizeof v, bufsize - seeded);     \
+      initialize_v;                                         \
+      memcpy (buf + seeded, &v, nbytes);                    \
+      seeded += nbytes;                                     \
+    }
+  ISAAC_SEED (struct timeval, gettimeofday (&v, NULL));
+  ISAAC_SEED (pid_t, v = getpid ());
+  ISAAC_SEED (pid_t, v = getppid ());
+  ISAAC_SEED (uid_t, v = getuid ());
+  ISAAC_SEED (uid_t, v = getgid ());
+
+#ifdef lint
+  /* Normally we like having the extra randomness from uninitialized
+     parts of BUFFER.  However, omit this randomness if we want to
+     avoid false-positives from memory-checking debugging tools.  */
+  memset (buf + seeded, 0, bufsize - seeded);
+#endif
+}
+
+
 /* Create and initialize a random data source from NAME, or use a
    reasonable default source if NAME is null.  BYTES_BOUND is an upper
    bound on the number of bytes that will be needed.  If zero, it is a
@@ -165,6 +218,8 @@ randread_new (char const *name, size_t bytes_bound)
       else
         {
           s->buf.isaac.buffered = 0;
+          get_nonce (s->buf.isaac.state.m, sizeof s->buf.isaac.state.m,
+                     bytes_bound);
           isaac_seed (&s->buf.isaac.state);
         }
 
@@ -199,7 +254,7 @@ randread_set_handler_arg (struct randread_source *s, void const *handler_arg)
 static void
 readsource (struct randread_source *s, unsigned char *p, size_t size)
 {
-  for (;;)
+  while (true)
     {
       size_t inbytes = fread (p, sizeof *p, size, s->source);
       int fread_errno = errno;
@@ -221,7 +276,7 @@ readisaac (struct isaac *isaac, unsigned char *p, size_t size)
 {
   size_t inbytes = isaac->buffered;
 
-  for (;;)
+  while (true)
     {
       if (size <= inbytes)
         {
@@ -236,9 +291,9 @@ readisaac (struct isaac *isaac, unsigned char *p, size_t size)
 
       /* If P is aligned, write to *P directly to avoid the overhead
          of copying from the buffer.  */
-      if (ALIGNED_POINTER (p, uint32_t))
+      if (ALIGNED_POINTER (p, isaac_word))
         {
-          uint32_t *wp = (uint32_t *) p;
+          isaac_word *wp = (isaac_word *) p;
           while (ISAAC_BYTES <= size)
             {
               isaac_refill (&isaac->state, wp);

gl/lib/regcomp.c.diff

@@ -1,17 +1,8 @@
-diff --git c/lib/regcomp.c i/lib/regcomp.c
-index 6472ff6..665b2ab 100644
---- c/lib/regcomp.c
-+++ i/lib/regcomp.c
-@@ -18,6 +18,8 @@
-    with this program; if not, write to the Free Software Foundation,
-    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-+#include "intprops.h"
-+#include "verify.h"
- static reg_errcode_t re_compile_internal (regex_t *preg, const char * pattern,
- 					  size_t length, reg_syntax_t syntax);
- static void re_compile_fastmap_iter (regex_t *bufp,
-@@ -541,7 +543,7 @@ regerror (errcode, preg, errbuf, errbuf_size)
+diff --git a/lib/regcomp.c b/lib/regcomp.c
+index d5968bd..4926676 100644
+--- a/lib/regcomp.c
++++ b/lib/regcomp.c
+@@ -541,7 +541,7 @@ regerror (errcode, preg, errbuf, errbuf_size)
      size_t errbuf_size;
  #else /* size_t might promote */
  size_t
@@ -20,7 +11,7 @@ index 6472ff6..665b2ab 100644
  	  char *_Restrict_ errbuf, size_t errbuf_size)
  #endif
  {
-@@ -1375,7 +1377,7 @@ calc_first (void *extra, bin_tree_t *node)
+@@ -1383,7 +1383,7 @@ calc_first (void *extra, bin_tree_t *node)
 
  /* Pass 2: compute NEXT on the tree.  Preorder visit.  */
  static reg_errcode_t
@@ -29,17 +20,7 @@ index 6472ff6..665b2ab 100644
  {
    switch (node->token.type)
      {
-@@ -2571,7 +2573,8 @@ parse_dup_op (bin_tree_t *elem, re_string_t *regexp, re_dfa_t *dfa,
-   /* This loop is actually executed only when end != REG_MISSING,
-      to rewrite <re>{0,n} as (<re>(<re>...<re>?)?)?...  We have
-      already created the start+1-th copy.  */
--  if ((Idx) -1 < 0 || end != REG_MISSING)
-+  verify (! TYPE_SIGNED (Idx));
-+  if (end != REG_MISSING)
-     for (i = start + 2; i <= end; ++i)
-       {
- 	elem = duplicate_tree (elem, dfa);
-@@ -2731,7 +2734,8 @@ static reg_errcode_t
+@@ -2744,7 +2744,8 @@ static reg_errcode_t
  internal_function
  build_collating_symbol (bitset_t sbcset,
  # ifdef RE_ENABLE_I18N
@@ -49,7 +30,7 @@ index 6472ff6..665b2ab 100644
  # endif
  			const unsigned char *name)
  {
-@@ -3309,7 +3313,8 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
+@@ -3323,7 +3324,8 @@ parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
 
  static reg_errcode_t
  parse_bracket_element (bracket_elem_t *elem, re_string_t *regexp,
@@ -59,7 +40,7 @@ index 6472ff6..665b2ab 100644
  		       reg_syntax_t syntax, bool accept_hyphen)
  {
  #ifdef RE_ENABLE_I18N
-@@ -3396,8 +3401,9 @@ parse_bracket_symbol (bracket_elem_t *elem, re_string_t *regexp,
+@@ -3410,8 +3412,9 @@ parse_bracket_symbol (bracket_elem_t *elem, re_string_t *regexp,
 
  static reg_errcode_t
  #ifdef RE_ENABLE_I18N
@@ -71,7 +52,7 @@ index 6472ff6..665b2ab 100644
  #else /* not RE_ENABLE_I18N */
  build_equiv_class (bitset_t sbcset, const unsigned char *name)
  #endif /* not RE_ENABLE_I18N */
-@@ -3798,7 +3804,7 @@ free_token (re_token_t *node)
+@@ -3816,7 +3819,7 @@ free_token (re_token_t *node)
     and its children. */
 
  static reg_errcode_t

gl/modules/di-set

@@ -0,0 +1,24 @@
+Description:
+manipulate sets of device-inode pairs efficiently
+
+Files:
+lib/di-set.c
+lib/di-set.h
+
+Depends-on:
+ino-map
+hash
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += di-set.c di-set.h
+
+Include:
+"di-set.h"
+
+License
+GPL
+
+Maintainer:
+Jim Meyering

gl/modules/di-set-tests

@@ -0,0 +1,10 @@
+Files:
+tests/test-di-set.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-di-set
+check_PROGRAMS += test-di-set

gl/modules/fadvise

@@ -0,0 +1,24 @@
+Description:
+Declare an access pattern hint for files.
+
+Files:
+lib/fadvise.c
+lib/fadvise.h
+
+Depends-on:
+ignore-value
+
+configure.ac:
+AC_CHECK_FUNCS_ONCE([posix_fadvise])
+
+Makefile.am:
+lib_SOURCES += fadvise.c fadvise.h
+
+Include:
+"fadvise.h"
+
+License:
+LGPL
+
+Maintainer:
+Pádraig Brady

gl/modules/heap

@@ -0,0 +1,24 @@
+Description:
+Binary heap with minimal number of methods. Used in sort.
+
+Files:
+lib/heap.c
+lib/heap.h
+
+Depends-on:
+stdlib-safer
+xalloc
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += heap.c heap.h
+
+Include:
+"heap.h"
+
+License
+GPL
+
+Maintainer:
+Gene Auyeung

gl/modules/ino-map

@@ -0,0 +1,24 @@
+Description:
+maintain a mapping of ino_t numbers to small integers
+
+Files:
+lib/ino-map.c
+lib/ino-map.h
+
+Depends-on:
+hash
+verify
+
+configure.ac:
+
+Makefile.am:
+lib_SOURCES += ino-map.c ino-map.h
+
+Include:
+"ino-map.h"
+
+License
+GPL
+
+Maintainer:
+Jim Meyering

gl/modules/ino-map-tests

@@ -0,0 +1,10 @@
+Files:
+tests/test-ino-map.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-ino-map
+check_PROGRAMS += test-ino-map

gl/modules/mbsalign

@@ -10,6 +10,7 @@ wchar
 wctype
 wcwidth
 mempcpy
+stdint
 
 configure.ac:
 

gl/modules/mbsalign-tests

@@ -0,0 +1,11 @@
+Files:
+tests/test-mbsalign.c
+tests/macros.h
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-mbsalign
+check_PROGRAMS += test-mbsalign

gl/modules/randread

@@ -10,8 +10,9 @@ lib/randread.h
 Depends-on:
 error
 exitfail
+inline
 fopen-safer
-gethrxtime
+gettimeofday
 quotearg
 stdbool
 stdint

gl/modules/randread-tests

@@ -0,0 +1,10 @@
+Files:
+tests/test-rand-isaac.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-rand-isaac
+check_PROGRAMS += test-rand-isaac

gl/tests/test-di-set.c

@@ -0,0 +1,63 @@
+/* Test the di-set module.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering.  */
+
+#include <config.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#define ASSERT(expr) \
+  do                                                                         \
+    {                                                                        \
+      if (!(expr))                                                           \
+        {                                                                    \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);                                                   \
+          abort ();                                                          \
+        }                                                                    \
+    }                                                                        \
+  while (0)
+
+#include "di-set.h"
+
+int
+main (void)
+{
+  struct di_set *dis = di_set_alloc ();
+  ASSERT (dis);
+
+  ASSERT (di_set_insert (dis, 2, 5) == 1); /* first insertion succeeds */
+  ASSERT (di_set_insert (dis, 2, 5) == 0); /* duplicate fails */
+  ASSERT (di_set_insert (dis, 3, 5) == 1); /* diff dev, duplicate inode is ok */
+  ASSERT (di_set_insert (dis, 2, 8) == 1); /* same dev, different inode is ok */
+
+  /* very large (or negative) inode number */
+  ASSERT (di_set_insert (dis, 5, (ino_t) -1) == 1);
+  ASSERT (di_set_insert (dis, 5, (ino_t) -1) == 0); /* dup */
+
+  unsigned int i;
+  for (i = 0; i < 3000; i++)
+    ASSERT (di_set_insert (dis, 9, i) == 1);
+  for (i = 0; i < 3000; i++)
+    ASSERT (di_set_insert (dis, 9, i) == 0); /* duplicate fails */
+
+  di_set_free (dis);
+
+  return 0;
+}

gl/tests/test-fadvise.c

@@ -0,0 +1,43 @@
+/* Test that fadvise works as advertised.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Pádraig Brady.  */
+
+#include <config.h>
+#include <stdio.h>
+
+#include "fadvise.h"
+
+int
+main (void)
+{
+  /* Valid.  */
+  fadvise (stdin, FADVISE_SEQUENTIAL);
+  fdadvise (fileno (stdin), 0, 0, FADVISE_RANDOM);
+
+  /* Ignored.  */
+  fadvise (NULL, FADVISE_RANDOM);
+
+  /* Invalid.  */
+  fdadvise (42, 0, 0, FADVISE_RANDOM);
+  /* Unfortunately C enums are not types.
+     One could hack type safety by wrapping in a struct,
+     but it's probably not worth the complexity in this case.  */
+  fadvise (stdin, FADVISE_SEQUENTIAL + FADVISE_RANDOM);
+  fadvise (stdin, 4242);
+
+  return 0;
+}

gl/tests/test-ino-map.c

@@ -0,0 +1,62 @@
+/* Test the ino-map module.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Jim Meyering.  */
+
+#include <config.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+/* FIXME: once/if in gnulib, use #include "macros.h" in place of this */
+#define ASSERT(expr) \
+  do                                                                         \
+    {                                                                        \
+      if (!(expr))                                                           \
+        {                                                                    \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);                                                   \
+          abort ();                                                          \
+        }                                                                    \
+    }                                                                        \
+  while (0)
+
+#include "ino-map.h"
+
+int
+main ()
+{
+  enum { INO_MAP_INIT = 123 };
+  struct ino_map *ino_map = ino_map_alloc (INO_MAP_INIT);
+  ASSERT (ino_map != NULL);
+
+  ASSERT (ino_map_insert (ino_map, 42) == INO_MAP_INIT);
+  ASSERT (ino_map_insert (ino_map, 42) == INO_MAP_INIT);
+  ASSERT (ino_map_insert (ino_map, 398) == INO_MAP_INIT + 1);
+  ASSERT (ino_map_insert (ino_map, 398) == INO_MAP_INIT + 1);
+  ASSERT (ino_map_insert (ino_map, 0) == INO_MAP_INIT + 2);
+  ASSERT (ino_map_insert (ino_map, 0) == INO_MAP_INIT + 2);
+
+  int i;
+  for (i = 0; i < 100; i++)
+    {
+      ASSERT (ino_map_insert (ino_map, 10000 + i) == INO_MAP_INIT + 3 + i);
+    }
+
+  ino_map_free (ino_map);
+
+  return 0;
+}

gl/tests/test-mbsalign.c

@@ -0,0 +1,100 @@
+/* Test that mbsalign works as advertised.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Pádraig Brady.  */
+
+#include <config.h>
+
+#include "mbsalign.h"
+#include "macros.h"
+#include <stdlib.h>
+#include <locale.h>
+
+int
+main (void)
+{
+  char dest[4 * 16 + 1];
+  size_t width, n;
+
+  /* Test unibyte truncation.  */
+  width = 4;
+  n = mbsalign ("t\tés", dest, sizeof dest, &width, MBS_ALIGN_LEFT, 0);
+  ASSERT (n == 4);
+
+  /* Test center alignment.  */
+  width = 4;
+  n = mbsalign ("es", dest, sizeof dest, &width, MBS_ALIGN_CENTER, 0);
+  ASSERT (*dest == ' ' && *(dest + n - 1) == ' ');
+
+  if (setlocale (LC_ALL, "en_US.UTF8"))
+    {
+      /* Check invalid input is flagged.  */
+      width = 4;
+      n = mbsalign ("t\xe1\xe2s", dest, sizeof dest, &width, MBS_ALIGN_LEFT, 0);
+      ASSERT (n == (size_t) -1);
+
+      /* Check invalid input is treated as unibyte  */
+      width = 4;
+      n = mbsalign ("t\xe1\xe2s", dest, sizeof dest, &width,
+                    MBS_ALIGN_LEFT, MBA_UNIBYTE_FALLBACK);
+      ASSERT (n == 4);
+
+      /* Test multibyte center alignment.  */
+      width = 4;
+      n = mbsalign ("és", dest, sizeof dest, &width, MBS_ALIGN_CENTER, 0);
+      ASSERT (*dest == ' ' && *(dest + n - 1) == ' ');
+
+      /* Test multibyte left alignment.  */
+      width = 4;
+      n = mbsalign ("és", dest, sizeof dest, &width, MBS_ALIGN_LEFT, 0);
+      ASSERT (*(dest + n - 1) == ' ' && *(dest + n - 2) == ' ');
+
+      /* Test multibyte right alignment.  */
+      width = 4;
+      n = mbsalign ("és", dest, sizeof dest, &width, MBS_ALIGN_RIGHT, 0);
+      ASSERT (*(dest) == ' ' && *(dest + 1) == ' ');
+
+      /* multibyte multicell truncation.  */
+      width = 4;                /* cells */
+      n = mbsalign ("日月火水", dest, sizeof dest, &width,
+                    MBS_ALIGN_LEFT, 0);
+      ASSERT (n == 6);          /* 2 characters */
+
+      /* multibyte unicell truncation.  */
+      width = 3;                /* cells */
+      n = mbsalign ("¹²³⁴", dest, sizeof dest, &width, MBS_ALIGN_LEFT, 0);
+      ASSERT (n == 6);          /* 3 characters */
+
+      /* Check independence from dest buffer. */
+      width = 4;                /* cells */
+      n = mbsalign ("¹²³⁴", dest, 0, &width, MBS_ALIGN_LEFT, 0);
+      ASSERT (n == 9);          /* 4 characters */
+
+      /* Check that width is updated with cells required before padding.  */
+      width = 4;                /* cells */
+      n = mbsalign ("¹²³", dest, 0, &width, MBS_ALIGN_LEFT, 0);
+      ASSERT (width == 3);
+
+      /* Test case where output is larger than input
+         (as tab converted to multi byte replacement char).  */
+      width = 4;
+      n = mbsalign ("t\tés" /* 6 including NUL */ , dest, sizeof dest,
+                    &width, MBS_ALIGN_LEFT, 0);
+      ASSERT (n == 7);
+    }
+
+  return 0;
+}

gl/tests/test-rand-isaac.c

@@ -0,0 +1,604 @@
+/* Test the ISAAC or ISAAC64 pseudorandom number generator.
+
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert.  */
+
+#include <config.h>
+
+#include "rand-isaac.h"
+
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+/* FIXME: once/if in gnulib, use #include "macros.h" in place of this */
+#define ASSERT(expr) \
+  do                                                                         \
+    {                                                                        \
+      if (!(expr))                                                           \
+        {                                                                    \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);                                                   \
+          abort ();                                                          \
+        }                                                                    \
+    }                                                                        \
+  while (0)
+
+/* This expected output was generated by running the programs in
+   <http://burtleburtle.net/bob/rand/isaacafa.html>, as last modified
+   on 2010-01-22. The 32-bit numbers were output by rand.c, and the
+   64-bit by isaac64.c, both on x86, as those programs are not
+   portable to 64-bit platforms.  */
+
+static isaac_word const expected[2][ISAAC_WORDS] =
+  {
+   #if ISAAC_BITS == 32
+    {
+      UINT32_C (0xf650e4c8), UINT32_C (0xe448e96d),
+      UINT32_C (0x98db2fb4), UINT32_C (0xf5fad54f),
+      UINT32_C (0x433f1afb), UINT32_C (0xedec154a),
+      UINT32_C (0xd8370487), UINT32_C (0x46ca4f9a),
+      UINT32_C (0x5de3743e), UINT32_C (0x88381097),
+      UINT32_C (0xf1d444eb), UINT32_C (0x823cedb6),
+      UINT32_C (0x6a83e1e0), UINT32_C (0x4a5f6355),
+      UINT32_C (0xc7442433), UINT32_C (0x25890e2e),
+      UINT32_C (0x7452e319), UINT32_C (0x57161df6),
+      UINT32_C (0x38a824f3), UINT32_C (0x002ed713),
+      UINT32_C (0x29f55449), UINT32_C (0x51c08d83),
+      UINT32_C (0xd78cb99e), UINT32_C (0xa0cc74f3),
+      UINT32_C (0x8f651659), UINT32_C (0xcbc8b7c2),
+      UINT32_C (0xf5f71c69), UINT32_C (0x12ad6419),
+      UINT32_C (0xe5792e1b), UINT32_C (0x860536b8),
+      UINT32_C (0x09b3ce98), UINT32_C (0xd45d6d81),
+      UINT32_C (0xf3b26129), UINT32_C (0x17e38f85),
+      UINT32_C (0x29cf72ce), UINT32_C (0x349947b0),
+      UINT32_C (0xc998f9ff), UINT32_C (0xb5e13dae),
+      UINT32_C (0x32ae2a2b), UINT32_C (0xf7cf814c),
+      UINT32_C (0x8ebfa303), UINT32_C (0xcf22e064),
+      UINT32_C (0x0b923200), UINT32_C (0xeca4d58a),
+      UINT32_C (0xef53cec4), UINT32_C (0xd0f7b37d),
+      UINT32_C (0x9c411a2a), UINT32_C (0xffdf8a80),
+      UINT32_C (0xb40e27bc), UINT32_C (0xb4d2f976),
+      UINT32_C (0x44b89b08), UINT32_C (0xf37c71d5),
+      UINT32_C (0x1a70e7e9), UINT32_C (0x0bdb9c30),
+      UINT32_C (0x60dc5207), UINT32_C (0xb3c3f24b),
+      UINT32_C (0xd7386806), UINT32_C (0x229749b5),
+      UINT32_C (0x4e232cd0), UINT32_C (0x91dabc65),
+      UINT32_C (0xa70e1101), UINT32_C (0x8b87437e),
+      UINT32_C (0x5781414f), UINT32_C (0xcdbc62e2),
+      UINT32_C (0x8107c9ff), UINT32_C (0x69d2e4ae),
+      UINT32_C (0x3b18e752), UINT32_C (0xb143b688),
+      UINT32_C (0x6f4e0772), UINT32_C (0x95138769),
+      UINT32_C (0x943c3c74), UINT32_C (0xafc17a97),
+      UINT32_C (0x0fd43963), UINT32_C (0x6a529b0b),
+      UINT32_C (0xd8c58a6a), UINT32_C (0xa8bcc22d),
+      UINT32_C (0x2db35dfe), UINT32_C (0xa7a2f402),
+      UINT32_C (0x6cb167db), UINT32_C (0x538e1f4e),
+      UINT32_C (0x7275e277), UINT32_C (0x1d3b8e97),
+      UINT32_C (0xecc5dc91), UINT32_C (0x15e3a5b9),
+      UINT32_C (0x03696614), UINT32_C (0x30ab93ec),
+      UINT32_C (0xac9fe69d), UINT32_C (0x7bc76811),
+      UINT32_C (0x60eda8da), UINT32_C (0x28833522),
+      UINT32_C (0xd5295ebc), UINT32_C (0x5adb60e7),
+      UINT32_C (0xf7e1cdd0), UINT32_C (0x97166d14),
+      UINT32_C (0xb67ec13a), UINT32_C (0x210f3925),
+      UINT32_C (0x64af0fef), UINT32_C (0x0d028684),
+      UINT32_C (0x3aea3dec), UINT32_C (0xb058bafb),
+      UINT32_C (0xb8b0ccfc), UINT32_C (0xf2b5cc05),
+      UINT32_C (0xe3a662d9), UINT32_C (0x814bc24c),
+      UINT32_C (0x2364a1aa), UINT32_C (0x37c0ed05),
+      UINT32_C (0x2b36505c), UINT32_C (0x451e7ec8),
+      UINT32_C (0x5d2a542f), UINT32_C (0xe43d0fbb),
+      UINT32_C (0x91c8d925), UINT32_C (0x60d4d5f8),
+      UINT32_C (0x12a0594b), UINT32_C (0x9e8a51da),
+      UINT32_C (0xcd49ebdb), UINT32_C (0x1b0dcdc1),
+      UINT32_C (0xcd57c7f7), UINT32_C (0xe6344451),
+      UINT32_C (0x7ded386f), UINT32_C (0x2f36fa86),
+      UINT32_C (0xa6d12101), UINT32_C (0x33bc405d),
+      UINT32_C (0xb388d96c), UINT32_C (0xdb6dbe96),
+      UINT32_C (0xfe29661c), UINT32_C (0x13edc0cb),
+      UINT32_C (0xcb0eee4a), UINT32_C (0x70cc94ae),
+      UINT32_C (0xde11ed34), UINT32_C (0x0606cf9f),
+      UINT32_C (0x3a6ce389), UINT32_C (0x23d74f4e),
+      UINT32_C (0xa37f63ff), UINT32_C (0x917bdec2),
+      UINT32_C (0xd73f72d4), UINT32_C (0x0e7e0e67),
+      UINT32_C (0x3d77d9a2), UINT32_C (0x13add922),
+      UINT32_C (0x8891b3db), UINT32_C (0x01a9bd70),
+      UINT32_C (0x56a001e3), UINT32_C (0xd51f093d),
+      UINT32_C (0xcc033ce3), UINT32_C (0x5ad0d3b0),
+      UINT32_C (0x34105a8c), UINT32_C (0x6a123f57),
+      UINT32_C (0xbd2e5024), UINT32_C (0x7364944b),
+      UINT32_C (0xe89b1a3b), UINT32_C (0x21835c4d),
+      UINT32_C (0x9f39e2d9), UINT32_C (0xd405ded8),
+      UINT32_C (0x294d37e5), UINT32_C (0xbccaaeed),
+      UINT32_C (0x35a124b5), UINT32_C (0x6708a2bc),
+      UINT32_C (0xb00960ba), UINT32_C (0x2a98121a),
+      UINT32_C (0x4d8fae82), UINT32_C (0x0bb3263f),
+      UINT32_C (0x12595a19), UINT32_C (0x6a107589),
+      UINT32_C (0x0809e494), UINT32_C (0x21c171ec),
+      UINT32_C (0x884d6825), UINT32_C (0x14c8009b),
+      UINT32_C (0xb0b84e7b), UINT32_C (0x03fb88f4),
+      UINT32_C (0x28e7cb78), UINT32_C (0x9388b13b),
+      UINT32_C (0xdd2dc1d5), UINT32_C (0x848f520a),
+      UINT32_C (0x07c28cd1), UINT32_C (0x68a39358),
+      UINT32_C (0x72c9137d), UINT32_C (0x127dd430),
+      UINT32_C (0xc613f157), UINT32_C (0x8c2f0d55),
+      UINT32_C (0xf7d3f39f), UINT32_C (0x309bfb78),
+      UINT32_C (0x8406b137), UINT32_C (0x46c0a6f5),
+      UINT32_C (0x3718d597), UINT32_C (0x08607f04),
+      UINT32_C (0x76904b6d), UINT32_C (0x04db4e13),
+      UINT32_C (0xcd7411a7), UINT32_C (0xb510ce0e),
+      UINT32_C (0xbfc7f7cc), UINT32_C (0xb83f957a),
+      UINT32_C (0xfdfef62d), UINT32_C (0xc35e4580),
+      UINT32_C (0x3ff1e524), UINT32_C (0x4112d96c),
+      UINT32_C (0x02c9b944), UINT32_C (0xd5990dfb),
+      UINT32_C (0xe7e26581), UINT32_C (0x0d9c7e7e),
+      UINT32_C (0x826dfa89), UINT32_C (0x66f1e0ab),
+      UINT32_C (0x30bcc764), UINT32_C (0xeadebeac),
+      UINT32_C (0xed35e5ee), UINT32_C (0x0c571a7d),
+      UINT32_C (0xe4f3a26a), UINT32_C (0xf7f58f7b),
+      UINT32_C (0xadf6bc23), UINT32_C (0x5d023e65),
+      UINT32_C (0x1ed3ff4e), UINT32_C (0xec46b0b6),
+      UINT32_C (0xd2a93b51), UINT32_C (0xe75b41c9),
+      UINT32_C (0x7e315aeb), UINT32_C (0x61119a5a),
+      UINT32_C (0x53245b79), UINT32_C (0x33f6d7b1),
+      UINT32_C (0xcae8deba), UINT32_C (0x50fc8194),
+      UINT32_C (0xafa92a6d), UINT32_C (0xc87c8006),
+      UINT32_C (0x4188bfcd), UINT32_C (0x8bace62e),
+      UINT32_C (0x78ffa568), UINT32_C (0x5597ec0f),
+      UINT32_C (0xb4415f7d), UINT32_C (0x08294766),
+      UINT32_C (0xad567643), UINT32_C (0x09c36f90),
+      UINT32_C (0x3dde9f39), UINT32_C (0x4a0a283c),
+      UINT32_C (0x18080c8e), UINT32_C (0x080c79ec),
+      UINT32_C (0x79ae4c10), UINT32_C (0xcb9e1563),
+      UINT32_C (0x7cdd662f), UINT32_C (0x62d31911),
+      UINT32_C (0xa4ca0cf1), UINT32_C (0x5cf824cd),
+      UINT32_C (0x3b708f99), UINT32_C (0x1e16614c),
+      UINT32_C (0xb6b9d766), UINT32_C (0x5de87abb),
+      UINT32_C (0x7229ea81), UINT32_C (0xd5b2d750),
+      UINT32_C (0x56e6cd21), UINT32_C (0xfe1e42d5),
+      UINT32_C (0x96da2655), UINT32_C (0xc2b9aa36),
+      UINT32_C (0xb8f6fd4a), UINT32_C (0x6a158d10),
+      UINT32_C (0x01913fd3), UINT32_C (0xaf7d1fb8),
+      UINT32_C (0x0b5e435f), UINT32_C (0x90c10757),
+      UINT32_C (0x6554abda), UINT32_C (0x7a68710f)
+    },
+    {
+      UINT32_C (0x82ac484f), UINT32_C (0xd7e1c7be),
+      UINT32_C (0x95c85eaa), UINT32_C (0x94a302f4),
+      UINT32_C (0x4d3cfbda), UINT32_C (0x786b2908),
+      UINT32_C (0x1010b275), UINT32_C (0x82d53d12),
+      UINT32_C (0x21e2a51c), UINT32_C (0x3d1e9150),
+      UINT32_C (0xb059261d), UINT32_C (0xd0638e1a),
+      UINT32_C (0x31860f05), UINT32_C (0x81f2864d),
+      UINT32_C (0xff4cfc35), UINT32_C (0x0451516d),
+      UINT32_C (0xbd086f26), UINT32_C (0xbc5654c1),
+      UINT32_C (0x65dfa427), UINT32_C (0xa82427f5),
+      UINT32_C (0x582e3014), UINT32_C (0xb8d2486d),
+      UINT32_C (0xc79a1749), UINT32_C (0x9a1d7745),
+      UINT32_C (0x8766bb54), UINT32_C (0x1e04a7f7),
+      UINT32_C (0x3d3dff8a), UINT32_C (0xd5ec6bf4),
+      UINT32_C (0xdbef7d9f), UINT32_C (0x36ec0ea3),
+      UINT32_C (0x1feb2e4f), UINT32_C (0x15cfcc5c),
+      UINT32_C (0xd8c423fb), UINT32_C (0xd0ef3cc9),
+      UINT32_C (0xeb244925), UINT32_C (0xba5590c8),
+      UINT32_C (0xa5f48ac4), UINT32_C (0x33c5321c),
+      UINT32_C (0x613b67b2), UINT32_C (0x479c3a22),
+      UINT32_C (0xe21339cc), UINT32_C (0x10d210aa),
+      UINT32_C (0x931dd7e2), UINT32_C (0xef05ee06),
+      UINT32_C (0xb82f2703), UINT32_C (0xa385cb2c),
+      UINT32_C (0x5d67133c), UINT32_C (0x877eb7b4),
+      UINT32_C (0x1e3437f7), UINT32_C (0x5afb43ae),
+      UINT32_C (0x53c078f3), UINT32_C (0x94d90481),
+      UINT32_C (0x1d964589), UINT32_C (0x08063a85),
+      UINT32_C (0xe1322228), UINT32_C (0x1956b1e5),
+      UINT32_C (0x31860f13), UINT32_C (0x2e7b022f),
+      UINT32_C (0x21182ca3), UINT32_C (0x96f703ac),
+      UINT32_C (0x46819e2e), UINT32_C (0x0d28fe52),
+      UINT32_C (0x3724d4dc), UINT32_C (0xa0eabe6b),
+      UINT32_C (0xc66699fd), UINT32_C (0xc6112fdd),
+      UINT32_C (0x19c1e69c), UINT32_C (0x04d3658a),
+      UINT32_C (0x4b55dd99), UINT32_C (0x31907d62),
+      UINT32_C (0xf854b522), UINT32_C (0x4d678f26),
+      UINT32_C (0x22ae0582), UINT32_C (0xeafed133),
+      UINT32_C (0xe4a51d21), UINT32_C (0x84bd6dd6),
+      UINT32_C (0xc1a51375), UINT32_C (0x3f28ee63),
+      UINT32_C (0xfb737b1a), UINT32_C (0x70a1660e),
+      UINT32_C (0x8a8dfaa3), UINT32_C (0x1be79937),
+      UINT32_C (0xf7476978), UINT32_C (0x513c1764),
+      UINT32_C (0x531ac6bf), UINT32_C (0x12c06908),
+      UINT32_C (0x001cdb95), UINT32_C (0x1a4b6a53),
+      UINT32_C (0xd067fce5), UINT32_C (0x12b2cfb6),
+      UINT32_C (0x9ddb477f), UINT32_C (0x740e0066),
+      UINT32_C (0x39ddf25a), UINT32_C (0xcc8bfa2d),
+      UINT32_C (0xf1b20eaf), UINT32_C (0x64f2632c),
+      UINT32_C (0x9783cdee), UINT32_C (0x63bfd4d8),
+      UINT32_C (0x0084cfe5), UINT32_C (0x75f4e9e2),
+      UINT32_C (0x19b48fd0), UINT32_C (0x6c48ddd8),
+      UINT32_C (0x7a36af93), UINT32_C (0x71865c4c),
+      UINT32_C (0x9ce0199d), UINT32_C (0x867027d7),
+      UINT32_C (0x2cb7b77f), UINT32_C (0x84ef01da),
+      UINT32_C (0x72f5972f), UINT32_C (0x040f7074),
+      UINT32_C (0xdf9afa29), UINT32_C (0xc921f94e),
+      UINT32_C (0x75c08a36), UINT32_C (0x18c1ef9a),
+      UINT32_C (0xd649a428), UINT32_C (0xc5b71937),
+      UINT32_C (0x8a30738a), UINT32_C (0xd97cd348),
+      UINT32_C (0x858129a6), UINT32_C (0x239e3b0a),
+      UINT32_C (0xbbb8abc4), UINT32_C (0x80fac4c2),
+      UINT32_C (0xecfcf20b), UINT32_C (0xd9d711f9),
+      UINT32_C (0xe2a4ef71), UINT32_C (0xb5fe87c0),
+      UINT32_C (0xbe8b06b2), UINT32_C (0xaafef5a7),
+      UINT32_C (0x9c15db3b), UINT32_C (0x0aeb8165),
+      UINT32_C (0x4389a84a), UINT32_C (0x253b1d7a),
+      UINT32_C (0x19047c79), UINT32_C (0x7cdc78a2),
+      UINT32_C (0xd20adf03), UINT32_C (0x56f55a71),
+      UINT32_C (0x3e730fa8), UINT32_C (0xfd8650d8),
+      UINT32_C (0x959e234e), UINT32_C (0xb7546681),
+      UINT32_C (0xdad1b22a), UINT32_C (0x142a6e85),
+      UINT32_C (0x8ef4bce6), UINT32_C (0x68235b9d),
+      UINT32_C (0x85a13f85), UINT32_C (0x74096ae7),
+      UINT32_C (0xa949bea2), UINT32_C (0x29322d0d),
+      UINT32_C (0xd5683858), UINT32_C (0x82846526),
+      UINT32_C (0x403dae08), UINT32_C (0x6dd1943a),
+      UINT32_C (0xe1279bff), UINT32_C (0x9e7e4f04),
+      UINT32_C (0x1c3a4524), UINT32_C (0x484525e4),
+      UINT32_C (0x81d4cc5f), UINT32_C (0xe24124c0),
+      UINT32_C (0x037464c0), UINT32_C (0xbf1bd691),
+      UINT32_C (0x26ceb003), UINT32_C (0x275ead3a),
+      UINT32_C (0xc5bde908), UINT32_C (0x26414ff3),
+      UINT32_C (0xa30519ad), UINT32_C (0xd7b43abe),
+      UINT32_C (0x2ce5d3d5), UINT32_C (0x88412761),
+      UINT32_C (0x97ca2070), UINT32_C (0xe5fbb9c7),
+      UINT32_C (0x276df0b4), UINT32_C (0x308f751f),
+      UINT32_C (0x37a97df6), UINT32_C (0xc9cd808c),
+      UINT32_C (0xfe4cb380), UINT32_C (0x3d469303),
+      UINT32_C (0xaee19096), UINT32_C (0xc0d5d42a),
+      UINT32_C (0x4e823ad3), UINT32_C (0xf5f9cc3b),
+      UINT32_C (0x4286619c), UINT32_C (0x9ca45e1c),
+      UINT32_C (0x66c97340), UINT32_C (0x891aec49),
+      UINT32_C (0x45bae606), UINT32_C (0xc798f047),
+      UINT32_C (0x52649d6c), UINT32_C (0xce86fdfc),
+      UINT32_C (0x80c6e402), UINT32_C (0xd6ec2f2b),
+      UINT32_C (0x27c82282), UINT32_C (0x1fe26ce0),
+      UINT32_C (0x92f57ea7), UINT32_C (0xde462f4d),
+      UINT32_C (0x07497cae), UINT32_C (0x5a48755c),
+      UINT32_C (0x721502dd), UINT32_C (0x6cbe7935),
+      UINT32_C (0x836d8003), UINT32_C (0x9ead7f70),
+      UINT32_C (0x9ab3a42f), UINT32_C (0x4c8652d6),
+      UINT32_C (0x32e39273), UINT32_C (0xe8fa3860),
+      UINT32_C (0x1da4f25a), UINT32_C (0x0cd6ef81),
+      UINT32_C (0x02503f7d), UINT32_C (0x8854a0a1),
+      UINT32_C (0x9a30c4e8), UINT32_C (0x88157153),
+      UINT32_C (0x05efe294), UINT32_C (0x57c4c925),
+      UINT32_C (0x2887d96f), UINT32_C (0xc1a71e3c),
+      UINT32_C (0xe9f84163), UINT32_C (0x2d0985de),
+      UINT32_C (0xd21e796c), UINT32_C (0x6fb5ce56),
+      UINT32_C (0x02614abf), UINT32_C (0xc3c7be2c),
+      UINT32_C (0xb54fed6f), UINT32_C (0xa617a083),
+      UINT32_C (0xc3142d8f), UINT32_C (0x6079e4ce),
+      UINT32_C (0xceffc147), UINT32_C (0x1d0cb81b),
+      UINT32_C (0xdc153e5f), UINT32_C (0xe36ef5bb),
+      UINT32_C (0xd531161a), UINT32_C (0x165b1015),
+      UINT32_C (0x7aa114ed), UINT32_C (0x3f7579b3),
+      UINT32_C (0xf7f395f1), UINT32_C (0xbc6172c7),
+      UINT32_C (0xa86f875e), UINT32_C (0x0e6c51b3),
+      UINT32_C (0xcdfec2af), UINT32_C (0x73c0e762),
+      UINT32_C (0x824c2009), UINT32_C (0xc5a87748),
+      UINT32_C (0x94d40125), UINT32_C (0x8aba3ffb),
+      UINT32_C (0xd32be060), UINT32_C (0x8c17eff0),
+      UINT32_C (0x21e2547e), UINT32_C (0x07cffad9),
+      UINT32_C (0x05340e15), UINT32_C (0xf3310c92),
+      UINT32_C (0x9d8d1908), UINT32_C (0x86ba527f),
+      UINT32_C (0xf943f672), UINT32_C (0xef73fbf0),
+      UINT32_C (0x46d95ca5), UINT32_C (0xc54cd95b),
+      UINT32_C (0x9d855e89), UINT32_C (0x4bb5af29)
+    }
+   #else
+    {
+      UINT64_C (0x12a8f216af9418c2), UINT64_C (0xd4490ad526f14431),
+      UINT64_C (0xb49c3b3995091a36), UINT64_C (0x5b45e522e4b1b4ef),
+      UINT64_C (0xa1e9300cd8520548), UINT64_C (0x49787fef17af9924),
+      UINT64_C (0x03219a39ee587a30), UINT64_C (0xebe9ea2adf4321c7),
+      UINT64_C (0x804456af10f5fb53), UINT64_C (0xd74bbe77e6116ac7),
+      UINT64_C (0x7c0828dd624ec390), UINT64_C (0x14a195640116f336),
+      UINT64_C (0x2eab8ca63ce802d7), UINT64_C (0xc6e57a78fbd986e0),
+      UINT64_C (0x58efc10b06a2068d), UINT64_C (0xabeeddb2dde06ff1),
+      UINT64_C (0x0b090a7560a968e3), UINT64_C (0x2cf9c8ca052f6e9f),
+      UINT64_C (0x116d0016cb948f09), UINT64_C (0xa59e0bd101731a28),
+      UINT64_C (0x63767572ae3d6174), UINT64_C (0xab4f6451cc1d45ec),
+      UINT64_C (0xc2a1e7b5b459aeb5), UINT64_C (0x2472f6207c2d0484),
+      UINT64_C (0xe699ed85b0dfb40d), UINT64_C (0xd4347f66ec8941c3),
+      UINT64_C (0xf4d14597e660f855), UINT64_C (0x8b889d624d44885d),
+      UINT64_C (0x258e5a80c7204c4b), UINT64_C (0xaf0c317d32adaa8a),
+      UINT64_C (0x9c4cd6257c5a3603), UINT64_C (0xeb3593803173e0ce),
+      UINT64_C (0x36f60e2ba4fa6800), UINT64_C (0x38b6525c21a42b0e),
+      UINT64_C (0xf4f5d05c10cab243), UINT64_C (0xcf3f4688801eb9aa),
+      UINT64_C (0x1ddc0325259b27de), UINT64_C (0xb9571fa04dc089c8),
+      UINT64_C (0xd7504dfa8816edbb), UINT64_C (0x1fe2cca76517db90),
+      UINT64_C (0x261e4e4c0a333a9d), UINT64_C (0x219b97e26ffc81bd),
+      UINT64_C (0x66b4835d9eafea22), UINT64_C (0x4cc317fb9cddd023),
+      UINT64_C (0x50b704cab602c329), UINT64_C (0xedb454e7badc0805),
+      UINT64_C (0x9e17e49642a3e4c1), UINT64_C (0x66c1a2a1a60cd889),
+      UINT64_C (0x7983eed3740847d5), UINT64_C (0x298af231c85bafab),
+      UINT64_C (0x2680b122baa28d97), UINT64_C (0x734de8181f6ec39a),
+      UINT64_C (0x53898e4c3910da55), UINT64_C (0x1761f93a44d5aefe),
+      UINT64_C (0xe4dbf0634473f5d2), UINT64_C (0x4ed0fe7e9dc91335),
+      UINT64_C (0xd18d8549d140caea), UINT64_C (0x1cfc8bed0d681639),
+      UINT64_C (0xca1e3785a9e724e5), UINT64_C (0xb67c1fa481680af8),
+      UINT64_C (0xdfea21ea9e7557e3), UINT64_C (0xd6b6d0ecc617c699),
+      UINT64_C (0xfa7e393983325753), UINT64_C (0xa09e8c8c35ab96de),
+      UINT64_C (0x8fe88b57305e2ab6), UINT64_C (0x89039d79d6fc5c5c),
+      UINT64_C (0x9bfb227ebdf4c5ce), UINT64_C (0x7f7cc39420a3a545),
+      UINT64_C (0x3f6c6af859d80055), UINT64_C (0xc8763c5b08d1908c),
+      UINT64_C (0x469356c504ec9f9d), UINT64_C (0x26e6db8ffdf5adfe),
+      UINT64_C (0x3a938fee32d29981), UINT64_C (0x2c5e9deb57ef4743),
+      UINT64_C (0x1e99b96e70a9be8b), UINT64_C (0x764dbeae7fa4f3a6),
+      UINT64_C (0xaac40a2703d9bea0), UINT64_C (0x1a8c1e992b941148),
+      UINT64_C (0x73aa8a564fb7ac9e), UINT64_C (0x604d51b25fbf70e2),
+      UINT64_C (0xdd69a0d8ab3b546d), UINT64_C (0x65ca5b96b7552210),
+      UINT64_C (0x2fd7e4b9e72cd38c), UINT64_C (0x51d2b1ab2ddfb636),
+      UINT64_C (0x9d1d84fcce371425), UINT64_C (0xa44cfe79ae538bbe),
+      UINT64_C (0xde68a2355b93cae6), UINT64_C (0x9fc10d0f989993e0),
+      UINT64_C (0x94ebc8abcfb56dae), UINT64_C (0xd7a023a73260b45c),
+      UINT64_C (0x72c8834a5957b511), UINT64_C (0x8f8419a348f296bf),
+      UINT64_C (0x1e152328f3318dea), UINT64_C (0x4838d65f6ef6748f),
+      UINT64_C (0xd6bf7baee43cac40), UINT64_C (0x13328503df48229f),
+      UINT64_C (0x7440fb816508c4fe), UINT64_C (0x9d266d6a1cc0542c),
+      UINT64_C (0x4dda48153c94938a), UINT64_C (0x74c04bf1790c0efe),
+      UINT64_C (0xe1925c71285279f5), UINT64_C (0x8a8e849eb32781a5),
+      UINT64_C (0x073973751f12dd5e), UINT64_C (0xa319ce15b0b4db31),
+      UINT64_C (0x6dd856d94d259236), UINT64_C (0x67378d8eccef96cb),
+      UINT64_C (0x9fc477de4ed681da), UINT64_C (0xf3b8b6675a6507ff),
+      UINT64_C (0xc3a9dc228caac9e9), UINT64_C (0xc37b45b3f8d6f2ba),
+      UINT64_C (0xb559eb1d04e5e932), UINT64_C (0x1b0cab936e65c744),
+      UINT64_C (0xaf08da9177dda93d), UINT64_C (0xac12fb171817eee7),
+      UINT64_C (0x1fff7ac80904bf45), UINT64_C (0xa9119b60369ffebd),
+      UINT64_C (0xbfced1b0048eac50), UINT64_C (0xb67b7896167b4c84),
+      UINT64_C (0x9b3cdb65f82ca382), UINT64_C (0xdbc27ab5447822bf),
+      UINT64_C (0x10dcd78e3851a492), UINT64_C (0xb438c2b67f98e5e9),
+      UINT64_C (0x43954b3252dc25e5), UINT64_C (0xab9090168dd05f34),
+      UINT64_C (0xce68341f79893389), UINT64_C (0x36833336d068f707),
+      UINT64_C (0xdcdd7d20903d0c25), UINT64_C (0xda3a361b1c5157b1),
+      UINT64_C (0x7f9d1a2e1ebe1327), UINT64_C (0x5d0a12f27ad310d1),
+      UINT64_C (0x3bc36e078f7515d7), UINT64_C (0x4da8979a0041e8a9),
+      UINT64_C (0x950113646d1d6e03), UINT64_C (0x7b4a38e32537df62),
+      UINT64_C (0x8a1b083821f40cb4), UINT64_C (0x3d5774a11d31ab39),
+      UINT64_C (0x7a76956c3eafb413), UINT64_C (0x7f5126dbba5e0ca7),
+      UINT64_C (0x12153635b2c0cf57), UINT64_C (0x7b3f0195fc6f290f),
+      UINT64_C (0x5544f7d774b14aef), UINT64_C (0x56c074a581ea17fe),
+      UINT64_C (0xe7f28ecd2d49eecd), UINT64_C (0xe479ee5b9930578c),
+      UINT64_C (0x9ff38fed72e9052f), UINT64_C (0x9f65789a6509a440),
+      UINT64_C (0x0981dcd296a8736d), UINT64_C (0x5873888850659ae7),
+      UINT64_C (0xc678b6d860284a1c), UINT64_C (0x63e22c147b9c3403),
+      UINT64_C (0x92fae24291f2b3f1), UINT64_C (0x829626e3892d95d7),
+      UINT64_C (0xcffe1939438e9b24), UINT64_C (0x79999cdff70902cb),
+      UINT64_C (0x8547eddfb81ccb94), UINT64_C (0x7b77497b32503b12),
+      UINT64_C (0x97fcaacbf030bc24), UINT64_C (0x6ced1983376fa72b),
+      UINT64_C (0x7e75d99d94a70f4d), UINT64_C (0xd2733c4335c6a72f),
+      UINT64_C (0xdbc0d2b6ab90a559), UINT64_C (0x94628d38d0c20584),
+      UINT64_C (0x64972d68dee33360), UINT64_C (0xb9c11d5b1e43a07e),
+      UINT64_C (0x2de0966daf2f8b1c), UINT64_C (0x2e18bc1ad9704a68),
+      UINT64_C (0xd4dba84729af48ad), UINT64_C (0xb7a0b174cff6f36e),
+      UINT64_C (0xe94c39a54a98307f), UINT64_C (0xaa70b5b4f89695a2),
+      UINT64_C (0x3bdbb92c43b17f26), UINT64_C (0xcccb7005c6b9c28d),
+      UINT64_C (0x18a6a990c8b35ebd), UINT64_C (0xfc7c95d827357afa),
+      UINT64_C (0x1fca8a92fd719f85), UINT64_C (0x1dd01aafcd53486a),
+      UINT64_C (0x49353fea39ba63b1), UINT64_C (0xf85b2b4fbcde44b7),
+      UINT64_C (0xbe7444e39328a0ac), UINT64_C (0x3e2b8bcbf016d66d),
+      UINT64_C (0x964e915cd5e2b207), UINT64_C (0x1725cabfcb045b00),
+      UINT64_C (0x7fbf21ec8a1f45ec), UINT64_C (0x11317ba87905e790),
+      UINT64_C (0x2fe4b17170e59750), UINT64_C (0xe8d9ecbe2cf3d73f),
+      UINT64_C (0xb57d2e985e1419c7), UINT64_C (0x0572b974f03ce0bb),
+      UINT64_C (0xa8d7e4dab780a08d), UINT64_C (0x4715ed43e8a45c0a),
+      UINT64_C (0xc330de426430f69d), UINT64_C (0x23b70edb1955c4bf),
+      UINT64_C (0x098954d51fff6580), UINT64_C (0x8107fccf064fcf56),
+      UINT64_C (0x852f54934da55cc9), UINT64_C (0x09c7e552bc76492f),
+      UINT64_C (0xe9f6760e32cd8021), UINT64_C (0xa3bc941d0a5061cb),
+      UINT64_C (0xba89142e007503b8), UINT64_C (0xdc842b7e2819e230),
+      UINT64_C (0xbbe83f4ecc2bdecb), UINT64_C (0xcd454f8f19c5126a),
+      UINT64_C (0xc62c58f97dd949bf), UINT64_C (0x693501d628297551),
+      UINT64_C (0xb9ab4ce57f2d34f3), UINT64_C (0x9255abb50d532280),
+      UINT64_C (0xebfafa33d7254b59), UINT64_C (0xe9f6082b05542e4e),
+      UINT64_C (0x35dd37d5871448af), UINT64_C (0xb03031a8b4516e84),
+      UINT64_C (0xb3f256d8aca0b0b9), UINT64_C (0x0fd22063edc29fca),
+      UINT64_C (0xd9a11fbb3d9808e4), UINT64_C (0x3a9bf55ba91f81ca),
+      UINT64_C (0xc8c93882f9475f5f), UINT64_C (0x947ae053ee56e63c),
+      UINT64_C (0xc7d9f16864a76e94), UINT64_C (0x7bd94e1d8e17debc),
+      UINT64_C (0xd873db391292ed4f), UINT64_C (0x30f5611484119414),
+      UINT64_C (0x565c31f7de89ea27), UINT64_C (0xd0e4366228b03343),
+      UINT64_C (0x325928ee6e6f8794), UINT64_C (0x6f423357e7c6a9f9),
+      UINT64_C (0x99170a5dc3115544), UINT64_C (0x59b97885e2f2ea28),
+      UINT64_C (0xbc4097b116c524d2), UINT64_C (0x7a13f18bbedc4ff5),
+      UINT64_C (0x071582401c38434d), UINT64_C (0xb422061193d6f6a7),
+      UINT64_C (0xb4b81b3fa97511e2), UINT64_C (0x65d34954daf3cebd),
+      UINT64_C (0xb344c470397bba52), UINT64_C (0xbac7a9a18531294b),
+      UINT64_C (0xecb53939887e8175), UINT64_C (0x565601c0364e3228),
+      UINT64_C (0xef1955914b609f93), UINT64_C (0x16f50edf91e513af),
+      UINT64_C (0x56963b0dca418fc0), UINT64_C (0xd60f6dcedc314222),
+      UINT64_C (0x364f6ffa464ee52e), UINT64_C (0x6c3b8e3e336139d3),
+      UINT64_C (0xf943aee7febf21b8), UINT64_C (0x088e049589c432e0),
+      UINT64_C (0xd49503536abca345), UINT64_C (0x3a6c27934e31188a),
+      UINT64_C (0x957baf61700cff4e), UINT64_C (0x37624ae5a48fa6e9),
+      UINT64_C (0x501f65edb3034d07), UINT64_C (0x907f30421d78c5de),
+      UINT64_C (0x1a804aadb9cfa741), UINT64_C (0x0ce2a38c344a6eed),
+      UINT64_C (0xd363eff5f0977996), UINT64_C (0x2cd16e2abd791e33),
+      UINT64_C (0x58627e1a149bba21), UINT64_C (0x7f9b6af1ebf78baf)
+    },
+    {
+      UINT64_C (0xd20d8c88c8ffe65f), UINT64_C (0x917f1dd5f8886c61),
+      UINT64_C (0x56986e2ef3ed091b), UINT64_C (0x5fa7867caf35e149),
+      UINT64_C (0x81a1549fd6573da5), UINT64_C (0x96fbf83a12884624),
+      UINT64_C (0xe728e8c83c334074), UINT64_C (0xf1bcc3d275afe51a),
+      UINT64_C (0x71f1ce2490d20b07), UINT64_C (0xe6c42178c4bbb92e),
+      UINT64_C (0x0a9c32d5eae45305), UINT64_C (0x0c335248857fa9e7),
+      UINT64_C (0x142de49fff7a7c3d), UINT64_C (0x64a53dc924fe7ac9),
+      UINT64_C (0x9f6a419d382595f4), UINT64_C (0x150f361dab9dec26),
+      UINT64_C (0xc61bb3a141e50e8c), UINT64_C (0x2785338347f2ba08),
+      UINT64_C (0x7ca9723fbb2e8988), UINT64_C (0xce2f8642ca0712dc),
+      UINT64_C (0x59300222b4561e00), UINT64_C (0xc2b5a03f71471a6f),
+      UINT64_C (0xd5f9e858292504d5), UINT64_C (0x65fa4f227a2b6d79),
+      UINT64_C (0x93cbe0b699c2585d), UINT64_C (0x1d95b0a5fcf90bc6),
+      UINT64_C (0x17efee45b0dee640), UINT64_C (0x9e4c1269baa4bf37),
+      UINT64_C (0xd79476a84ee20d06), UINT64_C (0x0a56a5f0bfe39272),
+      UINT64_C (0x7eba726d8c94094b), UINT64_C (0x5e5637885f29bc2b),
+      UINT64_C (0xd586bd01c5c217f6), UINT64_C (0x233003b5a6cfe6ad),
+      UINT64_C (0x24c0e332b70019b0), UINT64_C (0x9da058c67844f20c),
+      UINT64_C (0xe4d9429322cd065a), UINT64_C (0x1fab64ea29a2ddf7),
+      UINT64_C (0x8af38731c02ba980), UINT64_C (0x7dc7785b8efdfc80),
+      UINT64_C (0x486289ddcc3d6780), UINT64_C (0x222bbfae61725606),
+      UINT64_C (0x2bc60a63a6f3b3f2), UINT64_C (0x177e00f9fc32f791),
+      UINT64_C (0x522e23f3925e319e), UINT64_C (0x9c2ed44081ce5fbd),
+      UINT64_C (0x964781ce734b3c84), UINT64_C (0xf05d129681949a4c),
+      UINT64_C (0x046e3ecaaf453ce9), UINT64_C (0x962aceefa82e1c84),
+      UINT64_C (0xf5b4b0b0d2deeeb4), UINT64_C (0x1af3dbe25d8f45da),
+      UINT64_C (0xf9f4892ed96bd438), UINT64_C (0xc4c118bfe78feaae),
+      UINT64_C (0x07a69afdcc42261a), UINT64_C (0xf8549e1a3aa5e00d),
+      UINT64_C (0x2102ae466ebb1148), UINT64_C (0xe87fbb46217a360e),
+      UINT64_C (0x310cb380db6f7503), UINT64_C (0xb5fdfc5d3132c498),
+      UINT64_C (0xdaf8e9829fe96b5f), UINT64_C (0xcac09afbddd2cdb4),
+      UINT64_C (0xb862225b055b6960), UINT64_C (0x55b6344cf97aafae),
+      UINT64_C (0xff577222c14f0a3a), UINT64_C (0x4e4b705b92903ba4),
+      UINT64_C (0x730499af921549ff), UINT64_C (0x13ae978d09fe5557),
+      UINT64_C (0xd9e92aa246bf719e), UINT64_C (0x7a4c10ec2158c4a6),
+      UINT64_C (0x49cad48cebf4a71e), UINT64_C (0xcf05daf5ac8d77b0),
+      UINT64_C (0xabbdcdd7ed5c0860), UINT64_C (0x9853eab63b5e0b35),
+      UINT64_C (0x352787baa0d7c22f), UINT64_C (0xc7f6aa2de59aea61),
+      UINT64_C (0x03727073c2e134b1), UINT64_C (0x5a0f544dd2b1fb18),
+      UINT64_C (0x74f85198b05a2e7d), UINT64_C (0x963ef2c96b33be31),
+      UINT64_C (0x4659d2b743848a2c), UINT64_C (0x19ebb029435dcb0f),
+      UINT64_C (0x4e9d2827355fc492), UINT64_C (0xccec0a73b49c9921),
+      UINT64_C (0x46c9feb55d120902), UINT64_C (0x8d2636b81555a786),
+      UINT64_C (0x30c05b1ba332f41c), UINT64_C (0xf6f7fd1431714200),
+      UINT64_C (0x1a4ff12616eefc89), UINT64_C (0x990a98fd5071d263),
+      UINT64_C (0x84547ddc3e203c94), UINT64_C (0x07a3aec79624c7da),
+      UINT64_C (0x8a328a1cedfe552c), UINT64_C (0xd1e649de1e7f268b),
+      UINT64_C (0x2d8d5432157064c8), UINT64_C (0x4ae7d6a36eb5dbcb),
+      UINT64_C (0x57e3306d881edb4f), UINT64_C (0x0a804d18b7097475),
+      UINT64_C (0xe74733427b72f0c1), UINT64_C (0x24b33c9d7ed25117),
+      UINT64_C (0xe805a1e290cf2456), UINT64_C (0x3b544ebe544c19f9),
+      UINT64_C (0x3e666e6f69ae2c15), UINT64_C (0xfb152fe3ff26da89),
+      UINT64_C (0xb49b52e587a1ee60), UINT64_C (0xac042e70f8b383f2),
+      UINT64_C (0x89c350c893ae7dc1), UINT64_C (0xb592bf39b0364963),
+      UINT64_C (0x190e714fada5156e), UINT64_C (0xec8177f83f900978),
+      UINT64_C (0x91b534f885818a06), UINT64_C (0x81536d601170fc20),
+      UINT64_C (0xd4c718bc4ae8ae5f), UINT64_C (0x9eedeca8e272b933),
+      UINT64_C (0x10e8b35af3eeab37), UINT64_C (0x0e09b88e1914f7af),
+      UINT64_C (0x3fa9ddfb67e2f199), UINT64_C (0xb10bb459132d0a26),
+      UINT64_C (0x2c046f22062dc67d), UINT64_C (0x5e90277e7cb39e2d),
+      UINT64_C (0xd6b04d3b7651dd7e), UINT64_C (0xe34a1d250e7a8d6b),
+      UINT64_C (0x53c065c6c8e63528), UINT64_C (0x1bdea12e35f6a8c9),
+      UINT64_C (0x21874b8b4d2dbc4f), UINT64_C (0x3a88a0fbbcb05c63),
+      UINT64_C (0x43ed7f5a0fae657d), UINT64_C (0x230e343dfba08d33),
+      UINT64_C (0xb5b4071dbfc73a66), UINT64_C (0x8f9887e6078735a1),
+      UINT64_C (0x08de8a1c7797da9b), UINT64_C (0xfcb6be43a9f2fe9b),
+      UINT64_C (0x049a7f41061a9e60), UINT64_C (0x9f91508bffcfc14a),
+      UINT64_C (0xe3273522064480ca), UINT64_C (0xcd04f3ff001a4778),
+      UINT64_C (0x6bfa9aae5ec05779), UINT64_C (0x371f77e76bb8417e),
+      UINT64_C (0x3550c2321fd6109c), UINT64_C (0xfb4a3d794a9a80d2),
+      UINT64_C (0xf43c732873f24c13), UINT64_C (0xaa9119ff184cccf4),
+      UINT64_C (0xb69e38a8965c6b65), UINT64_C (0x1f2b1d1f15f6dc9c),
+      UINT64_C (0x67fef95d92607890), UINT64_C (0x31865ced6120f37d),
+      UINT64_C (0x3a6853c7e70757a7), UINT64_C (0x32ab0edb696703d3),
+      UINT64_C (0xee97f453f06791ed), UINT64_C (0x6dc93d9526a50e68),
+      UINT64_C (0x78edefd694af1eed), UINT64_C (0x9c1169fa2777b874),
+      UINT64_C (0x50065e535a213cf6), UINT64_C (0xde0c89a556b9ae70),
+      UINT64_C (0xd1e0ccd25bb9c169), UINT64_C (0x6b17b224bad6bf27),
+      UINT64_C (0x6b02e63195ad0cf8), UINT64_C (0x455a4b4cfe30e3f5),
+      UINT64_C (0x9338e69c052b8e7b), UINT64_C (0x5092ef950a16da0b),
+      UINT64_C (0x7c45d833aff07862), UINT64_C (0xa5b1cfdba0ab4067),
+      UINT64_C (0x6ad047c430a12104), UINT64_C (0x6c47bec883a7de39),
+      UINT64_C (0x944f6de09134dfb6), UINT64_C (0x9aeba33ac6ecc6b0),
+      UINT64_C (0x52e762596bf68235), UINT64_C (0x22af003ab672e811),
+      UINT64_C (0xb5635c95ff7296e2), UINT64_C (0xed2df21216235097),
+      UINT64_C (0x4a29c6465a314cd1), UINT64_C (0xd83cc2687a19255f),
+      UINT64_C (0x506c11b9d90e8b1d), UINT64_C (0x57277707199b8175),
+      UINT64_C (0xcaf21ecd4377b28c), UINT64_C (0xc0c0f5a60ef4cdcf),
+      UINT64_C (0x93b633abfa3469f8), UINT64_C (0xe846963877671a17),
+      UINT64_C (0x59ac2c7873f910a3), UINT64_C (0x660d3257380841ee),
+      UINT64_C (0xd813f2fab7f5c5ca), UINT64_C (0x4112cf68649a260e),
+      UINT64_C (0x443f64ec5a371195), UINT64_C (0xb0774d261cc609db),
+      UINT64_C (0x720bf5f26f4d2eaa), UINT64_C (0x1c2559e30f0946be),
+      UINT64_C (0xe328e230e3e2b3fb), UINT64_C (0x087e79e5a57d1d13),
+      UINT64_C (0x08dd9bdfd96b9f63), UINT64_C (0x64d0e29eea8838b3),
+      UINT64_C (0xddf957bc36d8b9ca), UINT64_C (0x6ffe73e81b637fb3),
+      UINT64_C (0x1a4e4822eb4d7a59), UINT64_C (0x5d94337fbfaf7f5b),
+      UINT64_C (0xd30c088ba61ea5ef), UINT64_C (0x9d765e419fb69f6d),
+      UINT64_C (0x9e21f4f903b33fd9), UINT64_C (0xb4d8f77bc3e56167),
+      UINT64_C (0x733ea705fae4fa77), UINT64_C (0xa4ec0132764ca04b),
+      UINT64_C (0x7976033a39f7d952), UINT64_C (0x106f72fe81e2c590),
+      UINT64_C (0x8c90fd9b083f4558), UINT64_C (0xfd080d236da814ba),
+      UINT64_C (0x7b64978555326f9f), UINT64_C (0x60e8ed72c0dff5d1),
+      UINT64_C (0xb063e962e045f54d), UINT64_C (0x959f587d507a8359),
+      UINT64_C (0x758f450c88572e0b), UINT64_C (0x1b6baca2ae4e125b),
+      UINT64_C (0x61cf4f94c97df93d), UINT64_C (0x2738259634305c14),
+      UINT64_C (0xd39bb9c3a48db6cf), UINT64_C (0x8215e577001332c8),
+      UINT64_C (0xa1082c0466df6c0a), UINT64_C (0xef02cdd06ffdb432),
+      UINT64_C (0xfc87614baf287e07), UINT64_C (0x240ab57a8b888b20),
+      UINT64_C (0xbf8d5108e27e0d48), UINT64_C (0x61bdd1307c66e300),
+      UINT64_C (0xb925a6cd0421aff3), UINT64_C (0x3e003e616a6591e9),
+      UINT64_C (0x94c3251f06f90cf3), UINT64_C (0xbf84470805e69b5f),
+      UINT64_C (0x98f076a4f7a2322e), UINT64_C (0x70cb6af7c2d5bcf0),
+      UINT64_C (0xb64be8d8b25396c1), UINT64_C (0xa9aa4d20db084e9b),
+      UINT64_C (0x2e6d02c36017f67f), UINT64_C (0xefed53d75fd64e6b),
+      UINT64_C (0xd9f1f30ccd97fb09), UINT64_C (0xa2ebee47e2fbfce1),
+      UINT64_C (0xb8d91274b9e9d4fb), UINT64_C (0x1db956e450275779),
+      UINT64_C (0x4fc8e9560f91b123), UINT64_C (0x63573ff03e224774),
+      UINT64_C (0x0647dfedcd894a29), UINT64_C (0x7884d9bc6cb569d8),
+      UINT64_C (0x7fba195410e5ca30), UINT64_C (0x106c09b972d2e822),
+      UINT64_C (0x241260ed4ad1e87d), UINT64_C (0x64c8e531bff53b55),
+      UINT64_C (0xca672b91e9e4fa16), UINT64_C (0x3871700761b3f743),
+      UINT64_C (0xf95cffa23af5f6f4), UINT64_C (0x8d14dedb30be846e),
+      UINT64_C (0x3b097adaf088f94e), UINT64_C (0x21e0bd5026c619bf),
+      UINT64_C (0x1bda0492e7e4586e), UINT64_C (0xd23c8e176d113600),
+      UINT64_C (0x252f59cf0d9f04bb), UINT64_C (0xb3598080ce64a656),
+      UINT64_C (0x993e1de72d36d310), UINT64_C (0xa2853b80f17f58ee),
+      UINT64_C (0x1877b51e57a764d5), UINT64_C (0x001f837cc7350524)
+    }
+   #endif
+  };
+
+int
+main (int argc, char **argv)
+{
+  unsigned int i;
+  isaac_word r[ISAAC_WORDS];
+  int iterations;
+
+  /* Seed with zeros, and discard the first buffer of output,
+     as that's what the standard programs do.  */
+  static struct isaac_state s;
+  isaac_seed (&s);
+  isaac_refill (&s, r);
+
+  for (i = 0; i < sizeof expected / sizeof expected[0]; i++)
+    {
+      isaac_refill (&s, r);
+      ASSERT (memcmp (r, expected[i], sizeof r) == 0);
+    }
+
+  /* If invoked with a positive argument, run a benchmark;
+     if with a negative, run a do-nothing benchmark.  */
+  for (iterations = argc <= 1 ? 0 : strtol (argv[1], NULL, 10);
+       iterations != 0;
+       iterations += (iterations < 0 ? 1 : -1))
+    if (0 <= iterations)
+      isaac_refill (&s, r);
+
+  return 0;
+}

gnulib-tests/Makefile.am

@@ -1,3 +1,17 @@
 include gnulib.mk
 
-AM_CFLAGS = $(GNULIB_WARN_CFLAGS) # $(WERROR_CFLAGS)
+AM_CFLAGS = $(GNULIB_TEST_WARN_CFLAGS) # $(WERROR_CFLAGS)
+
+# A few tests are inherently warning-evoking.
+# Since we require -Werror, exempt the few offenders.
+
+# test-xvasprintf.c: In function 'test_xasprintf':
+# test-xvasprintf.c:100: error: format not a string literal and no \
+#   format arguments [-Wformat-security]
+test_xvasprintf_CFLAGS = $(AM_CFLAGS) -Wno-format-security
+
+# test-lock.c: In function 'lock_mutator_thread':
+# test-lock.c:148: error: cast from function call of type 'pthread_t' to \
+#   non-matching type 'void *' [-Wbad-function-cast]
+test_lock_CFLAGS = $(AM_CFLAGS) -Wno-bad-function-cast
+test_tls_CFLAGS = $(AM_CFLAGS) -Wno-bad-function-cast

lib/Makefile.am

@@ -20,8 +20,7 @@ include gnulib.mk
 AM_CFLAGS += $(GNULIB_WARN_CFLAGS) $(WERROR_CFLAGS)
 
 libcoreutils_a_SOURCES += \
-  buffer-lcm.c buffer-lcm.h \
-  xmemxfrm.c xmemxfrm.h
+  buffer-lcm.c buffer-lcm.h
 
 libcoreutils_a_LIBADD += $(LIBOBJS)
 libcoreutils_a_DEPENDENCIES += $(LIBOBJS)

lib/memxfrm.c

@@ -1,105 +0,0 @@
-/* Locale-specific memory transformation
-
-   Copyright (C) 2006, 2009-2010 Free Software Foundation, Inc.
-
-   This program 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 3 of the License, or
-   (at your option) any later version.
-
-   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-/* Written by Paul Eggert <eggert@cs.ucla.edu>.  */
-
-#include <config.h>
-
-#include "memxfrm.h"
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* Store into DEST (of size DESTSIZE) the text in SRC (of size SRCSIZE)
-   transformed so that the result of memcmp on two transformed texts
-   (with ties going to the longer text) is the same as the result of
-   memcoll on the two texts before their transformation.  Perhaps
-   temporarily modify the byte after SRC, but restore its original
-   contents before returning.
-
-   Return the size of the resulting text, or an indeterminate value if
-   there is an error.  Set errno to an error number if there is an
-   error, and to zero otherwise.  DEST contains an indeterminate value
-   if there is an error or if the resulting size is greater than
-   DESTSIZE.  */
-
-size_t
-memxfrm (char *restrict dest, size_t destsize,
-         char *restrict src, size_t srcsize)
-{
-#if HAVE_STRXFRM
-
-  size_t di = 0;
-  size_t si = 0;
-  size_t result = 0;
-
-  char ch = src[srcsize];
-  src[srcsize] = '\0';
-
-  while (si < srcsize)
-    {
-      size_t slen = strlen (src + si);
-
-      size_t result0 = result;
-      errno = 0;
-      result += strxfrm (dest + di, src + si, destsize - di) + 1;
-      if (errno != 0)
-        break;
-      if (result <= result0)
-        {
-          errno = ERANGE;
-          break;
-        }
-
-      if (result == destsize + 1 && si + slen == srcsize)
-        {
-          /* The destination is exactly the right size, but strxfrm wants
-             room for a trailing null.  Work around the problem with a
-             temporary buffer.  */
-          size_t bufsize = destsize - di + 1;
-          char stackbuf[4000];
-          char *buf = stackbuf;
-          if (sizeof stackbuf < bufsize)
-            {
-              buf = malloc (bufsize);
-              if (! buf)
-                break;
-            }
-          strxfrm (buf, src + si, bufsize);
-          memcpy (dest + di, buf, destsize - di);
-          if (sizeof stackbuf < bufsize)
-            free (buf);
-          errno = 0;
-        }
-
-      di = (result < destsize ? result : destsize);
-      si += slen + 1;
-    }
-
-  src[srcsize] = ch;
-  return result - (si != srcsize);
-
-#else
-
-  if (srcsize < destsize)
-    memcpy (dest, src, srcsize);
-  errno = 0;
-  return srcsize;
-
-#endif
-}

lib/memxfrm.h

@@ -1,2 +0,0 @@
-#include <stddef.h>
-size_t memxfrm (char *restrict, size_t, char *restrict, size_t);

lib/xmemxfrm.c

@@ -1,62 +0,0 @@
-/* Locale-specific memory transformation
-
-   Copyright (C) 2006, 2009-2010 Free Software Foundation, Inc.
-
-   This program 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 3 of the License, or
-   (at your option) any later version.
-
-   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-/* Written by Paul Eggert <eggert@cs.ucla.edu>.  */
-
-#include <config.h>
-
-#include "xmemxfrm.h"
-
-#include <errno.h>
-#include <stdlib.h>
-
-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-
-#include "error.h"
-#include "exitfail.h"
-#include "memxfrm.h"
-#include "quotearg.h"
-
-/* Store into DEST (of size DESTSIZE) the text in SRC (of size
-   SRCSIZE) transformed so that the result of memcmp on two
-   transformed texts (with ties going to the longer text) is the same
-   as the result of memcoll on the two texts before their
-   transformation.  Perhaps temporarily modify the byte after SRC, but
-   restore its original contents before returning.
-
-   Return the size of the resulting text.  DEST contains an
-   indeterminate value if the resulting size is greater than DESTSIZE.
-   Report an error and exit if there is an error.  */
-
-size_t
-xmemxfrm (char *restrict dest, size_t destsize,
-          char *restrict src, size_t srcsize)
-{
-  size_t translated_size = memxfrm (dest, destsize, src, srcsize);
-
-  if (errno)
-    {
-      error (0, errno, _("string transformation failed"));
-      error (0, 0, _("set LC_ALL='C' to work around the problem"));
-      error (exit_failure, 0,
-             _("the untransformed string was %s"),
-             quotearg_n_style_mem (0, locale_quoting_style, src, srcsize));
-    }
-
-  return translated_size;
-}

lib/xmemxfrm.h

@@ -1,2 +0,0 @@
-#include <stddef.h>
-size_t xmemxfrm (char *restrict, size_t, char *restrict, size_t);

m4/jm-macros.m4

@@ -1,4 +1,4 @@
-#serial 109   -*- autoconf -*-
+#serial 110   -*- autoconf -*-
 
 dnl Misc type-related macros for coreutils.
 
@@ -35,8 +35,8 @@ AC_DEFUN([coreutils_MACROS],
 
   AC_REQUIRE([AC_FUNC_FSEEKO])
 
-  # By default, argmatch should fail calling usage (1).
-  AC_DEFINE([ARGMATCH_DIE], [usage (1)],
+  # By default, argmatch should fail calling usage (EXIT_FAILURE).
+  AC_DEFINE([ARGMATCH_DIE], [usage (EXIT_FAILURE)],
             [Define to the function xargmatch calls on failures.])
   AC_DEFINE([ARGMATCH_DIE_DECL], [void usage (int _e)],
             [Define to the declaration of the xargmatch failure function.])
@@ -144,6 +144,25 @@ AC_DEFUN([coreutils_MACROS],
     ])
 
   AC_REQUIRE([AM_LANGINFO_CODESET])
+
+  # Accept configure options: --with-tty-group[=GROUP], --without-tty-group
+  # You can determine the group of a TTY via 'stat --format %G /dev/tty'
+  # Omitting this option is equivalent to using --without-tty-group.
+  AC_ARG_WITH([tty-group],
+    AS_HELP_STRING([--with-tty-group[[[=NAME]]]],
+      [group used by system for TTYs, "tty" when not specified]
+      [ (default: do not rely on any group used for TTYs)]),
+    [tty_group_name=$withval],
+    [tty_group_name=no])
+
+  if test "x$tty_group_name" != xno; then
+    if test "x$tty_group_name" = xyes; then
+      tty_group_name=tty
+    fi
+    AC_MSG_NOTICE([TTY group used by system set to "$tty_group_name"])
+    AC_DEFINE_UNQUOTED([TTY_GROUP_NAME], ["$tty_group_name"],
+      [group used by system for TTYs])
+  fi
 ])
 
 AC_DEFUN([gl_CHECK_ALL_HEADERS],
@@ -153,14 +172,10 @@ AC_DEFUN([gl_CHECK_ALL_HEADERS],
     paths.h \
     priv.h \
     stropts.h \
-    sys/ioctl.h \
     sys/param.h \
     sys/resource.h \
     sys/systeminfo.h \
-    sys/time.h \
-    sys/wait.h \
     syslog.h \
-    termios.h \
   )
   AC_CHECK_HEADERS([sys/sysctl.h], [], [],
     [AC_INCLUDES_DEFAULT
@@ -172,11 +187,6 @@ AC_DEFUN([gl_CHECK_ALL_HEADERS],
 # This macro must be invoked before any tests that run the compiler.
 AC_DEFUN([gl_CHECK_ALL_TYPES],
 [
-  dnl This test must come as early as possible after the compiler configuration
-  dnl tests, because the choice of the file model can (in principle) affect
-  dnl whether functions and headers are available, whether they work, etc.
-  AC_REQUIRE([AC_SYS_LARGEFILE])
-
   dnl This test must precede tests of compiler characteristics like
   dnl that for the inline keyword, since it may change the degree to
   dnl which the compiler supports such features.

m4/memxfrm.m4

@@ -1,15 +0,0 @@
-dnl Copyright (C) 2006, 2009-2010 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-AC_DEFUN([gl_MEMXFRM],
-[
-  AC_LIBSOURCES([memxfrm.c, memxfrm.h])
-  AC_LIBOBJ([memxfrm])
-
-  AC_REQUIRE([AC_C_RESTRICT])
-
-  dnl Prerequisites of lib/memcoll.c.
-  AC_CHECK_FUNCS_ONCE([strxfrm])
-])

m4/prereq.m4

@@ -1,4 +1,4 @@
-#serial 76
+#serial 77
 
 dnl We use gl_ for non Autoconf macros.
 m4_pattern_forbid([^gl_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl
@@ -40,7 +40,6 @@ AC_DEFUN([gl_PREREQ],
   AC_REQUIRE([gl_FD_REOPEN])
   AC_REQUIRE([gl_FUNC_XATTR])
   AC_REQUIRE([gl_FUNC_XFTS])
-  AC_REQUIRE([gl_MEMXFRM])
   AC_REQUIRE([gl_STRINTCMP])
   AC_REQUIRE([gl_STRNUMCMP])
 ])

m4/xattr.m4

@@ -1,4 +1,5 @@
 # xattr.m4 - check for Extended Attributes (Linux)
+# serial 3
 
 # Copyright (C) 2003, 2008-2010 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
@@ -33,11 +34,11 @@ AC_DEFUN([gl_FUNC_XATTR],
         use_xattr=yes
       fi
     fi
-    AC_DEFINE_UNQUOTED([USE_XATTR], [$use_xattr],
-                       [Define if you want extended attribute support.])
     if test $use_xattr = no; then
       AC_MSG_WARN([libattr development library was not found or not usable.])
       AC_MSG_WARN([AC_PACKAGE_NAME will be built without xattr support.])
     fi
   fi
+  AC_DEFINE_UNQUOTED([USE_XATTR], [`test $use_xattr != yes; echo $?`],
+                     [Define if you want extended attribute support.])
 ])

man/Makefile.am

@@ -173,7 +173,15 @@ mapped_name = `echo $*|sed 's/^install$$/ginstall/; s/^test$$/[/'`
 	    ;;							\
 	esac
 
-distcheck-hook: check-x-vs-1 check-programs-vs-x
+# Option descriptions should not start with a capital letter
+.PHONY: sc_option_desc_uppercase
+sc_option_desc_uppercase: $(dist_man1_MANS) $(NO_INSTALL_PROGS_DEFAULT:%=%.1)
+	@grep '^\\fB\\-' -A1 *.1 | LC_ALL=C grep '\.1.[A-Z][a-z]' && \
+	    { echo 1>&2 '$(ME): found initial capitals in --help';   \
+	      exit 1; } || :;
+
+.PHONY: sc_man_file_correlation
+sc_man_file_correlation: check-x-vs-1 check-programs-vs-x
 
 # Sort in traditional ASCII order, regardless of the current locale;
 # otherwise we may get into trouble with distinct strings that the
@@ -186,7 +194,7 @@ ASSORT = LC_ALL=C sort
 # add them here manually.
 .PHONY: check-x-vs-1
 check-x-vs-1:
-	$(AM_V_GEN)PATH=../src$(PATH_SEPARATOR)$$PATH; export PATH;	\
+	@PATH=../src$(PATH_SEPARATOR)$$PATH; export PATH;		\
 	t=$@-t;								\
 	(cd $(srcdir) && ls -1 *.x) | sed 's/\.x$$//' | $(ASSORT) > $$t;\
 	(echo $(dist_man1_MANS) $(NO_INSTALL_PROGS_DEFAULT)		\
@@ -200,7 +208,7 @@ all_programs =								\
 
 .PHONY: check-programs-vs-x
 check-programs-vs-x:
-	$(AM_V_GEN)status=0;				\
+	@status=0;					\
 	for p in dummy `$(all_programs)`; do		\
 	  test $$p = dummy && continue;			\
 	  test $$p = ginstall && p=install || : ;	\

man/dirname.x

@@ -1,5 +1,5 @@
 [NAME]
-dirname \- strip non-directory suffix from file name
+dirname \- strip last component from file name
 [DESCRIPTION]
 .\" Add any additional description here
 [SEE ALSO]

man/md5sum.x

@@ -2,3 +2,7 @@
 md5sum \- compute and check MD5 message digest
 [DESCRIPTION]
 .\" Add any additional description here
+[BUGS]
+The MD5 algorithm should not be used any more for security related purposes.
+Instead, better use an SHA\-2 algorithm, implemented in the programs
+sha224sum(1), sha256sum(1), sha384sum(1), sha512sum(1)

man/tac.x

@@ -2,3 +2,5 @@
 tac \- concatenate and print files in reverse
 [DESCRIPTION]
 .\" Add any additional description here
+[SEE ALSO]
+\fBrev\fP(1).

po/POTFILES.in

@@ -29,7 +29,6 @@ lib/version-etc.c
 lib/xalloc-die.c
 lib/xfreopen.c
 lib/xmemcoll.c
-lib/xmemxfrm.c
 lib/xprintf.c
 lib/xstrtol-error.c
 
@@ -62,6 +61,7 @@ src/expand.c
 src/expr.c
 src/factor.c
 src/false.c
+src/find-mount-point.c
 src/fmt.c
 src/fold.c
 src/getlimits.c

src/Makefile.am

@@ -145,6 +145,7 @@ noinst_HEADERS =	\
   copy.h		\
   cp-hash.h		\
   dircolors.h		\
+  find-mount-point.h	\
   fs.h			\
   group-list.h		\
   ls.h			\
@@ -170,6 +171,9 @@ AM_CPPFLAGS = -I$(top_srcdir)/lib
 noinst_LIBRARIES = libver.a
 nodist_libver_a_SOURCES = version.c version.h
 
+# Tell the linker to omit references to unused shared libraries.
+AM_LDFLAGS = $(IGNORE_UNUSED_LIBRARIES_CFLAGS)
+
 # Sometimes, the expansion of $(LIBINTL) includes -lc which may
 # include modules defining variables like `optind', so libcoreutils.a
 # must precede $(LIBINTL) in order to ensure we use GNU getopt.
@@ -325,13 +329,8 @@ ls_LDADD += $(LIB_CLOCK_GETTIME)
 pr_LDADD += $(LIB_CLOCK_GETTIME)
 touch_LDADD += $(LIB_CLOCK_GETTIME)
 
-# for gethrxtime, randint, randread, gen_tempname, mkstemp
+# for gethrxtime
 dd_LDADD += $(LIB_GETHRXTIME)
-mktemp_LDADD += $(LIB_GETHRXTIME)
-shred_LDADD += $(LIB_GETHRXTIME)
-shuf_LDADD += $(LIB_GETHRXTIME)
-sort_LDADD += $(LIB_GETHRXTIME)
-tac_LDADD += $(LIB_GETHRXTIME)
 
 # for cap_get_file
 ls_LDADD += $(LIB_CAP)
@@ -340,14 +339,6 @@ ls_LDADD += $(LIB_CAP)
 dd_LDADD += $(LIB_FDATASYNC)
 shred_LDADD += $(LIB_FDATASYNC)
 
-# for strtod, strtold
-printf_LDADD += $(POW_LIB)
-seq_LDADD += $(POW_LIB)
-sleep_LDADD += $(POW_LIB)
-sort_LDADD += $(POW_LIB)
-tail_LDADD += $(POW_LIB)
-uptime_LDADD += $(POW_LIB)
-
 # for xnanosleep
 sleep_LDADD += $(LIB_NANOSLEEP)
 sort_LDADD += $(LIB_NANOSLEEP)
@@ -391,6 +382,12 @@ who_LDADD += $(GETADDRINFO_LIB)
 hostname_LDADD += $(GETHOSTNAME_LIB)
 uname_LDADD += $(GETHOSTNAME_LIB)
 
+# for strsignal
+kill_LDADD += $(LIBTHREAD)
+
+# for pthread
+sort_LDADD += $(LIB_PTHREAD)
+
 $(PROGRAMS): ../lib/libcoreutils.a
 
 # Get the release year from ../lib/version-etc.c.
@@ -482,6 +479,9 @@ rm_SOURCES = rm.c remove.c
 mkdir_SOURCES = mkdir.c prog-fprintf.c
 rmdir_SOURCES = rmdir.c prog-fprintf.c
 
+df_SOURCES = df.c find-mount-point.c
+stat_SOURCES = stat.c find-mount-point.c
+
 uname_SOURCES = uname.c uname-uname.c
 arch_SOURCES = uname.c uname-arch.c
 nproc_SOURCES = nproc.c
@@ -551,7 +551,7 @@ fs-magic-compare: fs-magic fs-kernel-magic fs-def
 
 CLEANFILES += fs-def
 fs-def: fs.h
-	grep '^# *define ' $< > $@-t && mv $@-t $@
+	grep '^# *define ' $< | $(ASSORT) > $@-t && mv $@-t $@
 
 # Massage bits of the statfs man page and definitions from
 # /usr/include/linux/magic.h to be in a form consistent with what's in fs.h.
@@ -635,6 +635,7 @@ built_programs.list:
 
 all_programs.list:
 	@echo $(all_programs) | tr ' ' '\n' | sed -e 's,$(EXEEXT)$$,,' \
+	  | sed /libstdbuf/d \
 	  | $(ASSORT) -u
 
 # This is required because we have broken inter-directory dependencies:
@@ -642,6 +643,11 @@ all_programs.list:
 # install a binary, require that all programs be built at distribution time.
 dist-hook: $(all_programs)
 
+# Ensure that all programs are built so we can for example
+# subsequently syntax check all man pages.
+.PHONY: all_programs
+all_programs: $(all_programs)
+
 pm = progs-makefile
 pr = progs-readme
 # Ensure that the list of programs in README matches the list
@@ -672,8 +678,8 @@ au_dotdot = authors-dotdot
 au_actual = authors-actual
 .PHONY: sc_check-AUTHORS
 sc_check-AUTHORS: $(all_programs)
-	$(AM_V_GEN)locale=en_US.UTF-8;			\
-	LC_ALL="$$locale" ./cat --version		\
+	@locale=en_US.UTF-8;				\
+	LC_ALL=$$locale ./cat --version		\
 	    | grep ' Torbjorn '	> /dev/null		\
 	  && { echo "$@: skipping this check"; exit 0; }; \
 	rm -f $(au_actual) $(au_dotdot);		\
@@ -687,7 +693,7 @@ sc_check-AUTHORS: $(all_programs)
 	  elif test "$$i" = test; then			\
 	    exe='[';					\
 	  fi;						\
-	  LC_ALL="$$locale" ./$$exe --version		\
+	  LC_ALL=$$locale ./$$exe --version		\
 	    | perl -0 -pi -e 's/,\n/, /gm'		\
 	    | sed -n -e '/Written by /{ s//'"$$i"': /;'	\
 		  -e 's/,* and /, /; s/\.$$//; p; }';	\
@@ -708,8 +714,11 @@ sc_check-AUTHORS: $(all_programs)
 # The second nm|grep checks for file-scope variables with `extern' scope.
 .PHONY: sc_tight_scope
 sc_tight_scope: $(bin_PROGRAMS)
-	$(AM_V_GEN)t=exceptions-$$$$;					\
-	trap "s=$$?; rm -f $$t; exit $$s" 0 1 2 13 15;			\
+	@t=exceptions-$$$$;						\
+	trap 's=$$?; rm -f $$t; exit $$s' 0;				\
+	am__exit='(exit $s); exit $s';					\
+	trap "s=129; $$am__exit" 1; trap "s=130; $$am__exit" 2;		\
+	trap "s=141; $$am__exit" 13; trap "s=143; $$am__exit" 15;	\
 	src=`for f in $(SOURCES); do					\
 	       test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`;	\
 	hdr=`for f in $(noinst_HEADERS); do				\

src/base64.c

@@ -26,9 +26,11 @@
 
 #include "system.h"
 #include "error.h"
+#include "fadvise.h"
 #include "xstrtol.h"
 #include "quote.h"
 #include "quotearg.h"
+#include "xfreopen.h"
 
 #include "base64.h"
 
@@ -61,11 +63,10 @@ Usage: %s [OPTION]... [FILE]\n\
 Base64 encode or decode FILE, or standard input, to standard output.\n\
 \n"), program_name);
       fputs (_("\
-  -w, --wrap=COLS       Wrap encoded lines after COLS character (default 76).\n\
-                        Use 0 to disable line wrapping.\n\
-\n\
-  -d, --decode          Decode data.\n\
-  -i, --ignore-garbage  When decoding, ignore non-alphabet characters.\n\
+  -d, --decode          decode data\n\
+  -i, --ignore-garbage  when decoding, ignore non-alphabet characters\n\
+  -w, --wrap=COLS       wrap encoded lines after COLS character (default 76).\n\
+                          Use 0 to disable line wrapping\n\
 \n\
 "), stdout);
       fputs (HELP_OPTION_DESCRIPTION, stdout);
@@ -269,9 +270,9 @@ main (int argc, char **argv)
         ignore_garbage = true;
         break;
 
-        case_GETOPT_HELP_CHAR;
+      case_GETOPT_HELP_CHAR;
 
-        case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
+      case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
 
       default:
         usage (EXIT_FAILURE);
@@ -290,14 +291,20 @@ main (int argc, char **argv)
     infile = "-";
 
   if (STREQ (infile, "-"))
-    input_fh = stdin;
+    {
+      if (O_BINARY)
+        xfreopen (NULL, "rb", stdin);
+      input_fh = stdin;
+    }
   else
     {
-      input_fh = fopen (infile, "r");
+      input_fh = fopen (infile, "rb");
       if (input_fh == NULL)
         error (EXIT_FAILURE, errno, "%s", infile);
     }
 
+  fadvise (input_fh, FADVISE_SEQUENTIAL);
+
   if (decode)
     do_decode (input_fh, stdout, ignore_garbage);
   else

src/cat.c

@@ -30,12 +30,11 @@
 #if HAVE_STROPTS_H
 # include <stropts.h>
 #endif
-#if HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
-#endif
+#include <sys/ioctl.h>
 
 #include "system.h"
 #include "error.h"
+#include "fadvise.h"
 #include "full-write.h"
 #include "quote.h"
 #include "safe-read.h"
@@ -94,7 +93,7 @@ Usage: %s [OPTION]... [FILE]...\n\
 Concatenate FILE(s), or standard input, to standard output.\n\
 \n\
   -A, --show-all           equivalent to -vET\n\
-  -b, --number-nonblank    number nonempty output lines\n\
+  -b, --number-nonblank    number nonempty output lines, overrides -n\n\
   -e                       equivalent to -vE\n\
   -E, --show-ends          display $ at end of each line\n\
   -n, --number             number all output lines\n\
@@ -162,7 +161,7 @@ simple_cat (
 
   /* Loop until the end of the file.  */
 
-  for (;;)
+  while (true)
     {
       /* Read a block of input.  */
 
@@ -271,7 +270,7 @@ cat (
 
   bpout = outbuf;
 
-  for (;;)
+  while (true)
     {
       do
         {
@@ -426,7 +425,7 @@ cat (
          scan for chars that need conversion.  */
       if (show_nonprinting)
         {
-          for (;;)
+          while (true)
             {
               if (ch >= 32)
                 {
@@ -477,7 +476,7 @@ cat (
       else
         {
           /* Not quoting, neither of -v, -e, or -t specified.  */
-          for (;;)
+          while (true)
             {
               if (ch == '\t' && show_tabs)
                 {
@@ -702,6 +701,8 @@ main (int argc, char **argv)
         }
       insize = io_blksize (stat_buf);
 
+      fdadvise (input_desc, 0, 0, FADVISE_SEQUENTIAL);
+
       /* Compare the device and i-node numbers of this input file with
          the corresponding values of the (output file associated with)
          stdout, and skip this input file if they coincide.  Input

src/chcon.c

@@ -257,7 +257,7 @@ process_file (FTS *fts, FTSENT *ent)
       break;
 
     case FTS_ERR:
-      error (0, ent->fts_errno, _("%s"), quote (file_full_name));
+      error (0, ent->fts_errno, "%s", quote (file_full_name));
       ok = false;
       break;
 

src/chmod.c

@@ -180,8 +180,8 @@ process_file (FTS *fts, FTSENT *ent)
   char const *file_full_name = ent->fts_path;
   char const *file = ent->fts_accpath;
   const struct stat *file_stats = ent->fts_statp;
-  mode_t old_mode IF_LINT (= 0);
-  mode_t new_mode IF_LINT (= 0);
+  mode_t old_mode IF_LINT ( = 0);
+  mode_t new_mode IF_LINT ( = 0);
   bool ok = true;
   bool chmod_succeeded = false;
 
@@ -212,7 +212,7 @@ process_file (FTS *fts, FTSENT *ent)
 
     case FTS_ERR:
       if (! force_silent)
-        error (0, ent->fts_errno, _("%s"), quote (file_full_name));
+        error (0, ent->fts_errno, "%s", quote (file_full_name));
       ok = false;
       break;
 

src/chown-core.c

@@ -305,7 +305,7 @@ change_file_owner (FTS *fts, FTSENT *ent,
 
     case FTS_ERR:
       if (! chopt->force_silent)
-        error (0, ent->fts_errno, _("%s"), quote (file_full_name));
+        error (0, ent->fts_errno, "%s", quote (file_full_name));
       ok = false;
       break;
 

src/chown.c

@@ -100,7 +100,7 @@ With --reference, change the owner and group of each FILE to those of RFILE.\n\
                          change the owner and/or group of each file only if\n\
                          its current owner and/or group match those specified\n\
                          here.  Either may be omitted, in which case a match\n\
-                         is not required for the omitted attribute.\n\
+                         is not required for the omitted attribute\n\
 "), stdout);
       fputs (_("\
       --no-preserve-root  do not treat `/' specially (the default)\n\

src/chroot.c

@@ -24,7 +24,6 @@
 
 #include "system.h"
 #include "error.h"
-#include "long-options.h"
 #include "quote.h"
 #include "userspec.h"
 #include "xstrtol.h"
@@ -162,9 +161,6 @@ main (int argc, char **argv)
   initialize_exit_failure (EXIT_CANCELED);
   atexit (close_stdout);
 
-  parse_long_options (argc, argv, PROGRAM_NAME, PACKAGE_NAME, Version,
-                      usage, AUTHORS, (char const *) NULL);
-
   while ((c = getopt_long (argc, argv, "+", long_opts, NULL)) != -1)
     {
       switch (c)
@@ -172,9 +168,15 @@ main (int argc, char **argv)
         case USERSPEC:
           userspec = optarg;
           break;
+
         case GROUPS:
           groups = optarg;
           break;
+
+        case_GETOPT_HELP_CHAR;
+
+        case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
+
         default:
           usage (EXIT_CANCELED);
         }

src/cksum.c

@@ -43,6 +43,7 @@
 #include <sys/types.h>
 #include <stdint.h>
 #include "system.h"
+#include "fadvise.h"
 #include "xfreopen.h"
 
 #ifdef CRCTAB
@@ -205,6 +206,8 @@ cksum (const char *file, bool print_name)
         }
     }
 
+  fadvise (fp, FADVISE_SEQUENTIAL);
+
   while ((bytes_read = fread (buf, 1, BUFLEN, fp)) > 0)
     {
       unsigned char *cp = buf;

src/comm.c

@@ -24,6 +24,7 @@
 #include "system.h"
 #include "linebuffer.h"
 #include "error.h"
+#include "fadvise.h"
 #include "hard-locale.h"
 #include "quote.h"
 #include "stdio--.h"
@@ -139,7 +140,7 @@ Note, comparisons honor the rules specified by `LC_COLLATE'.\n\
 \n\
 Examples:\n\
   %s -12 file1 file2  Print only lines present in both file1 and file2.\n\
-  %s -3  file1 file2  Print lines in file1 not in file2, and vice versa.\n\
+  %s -3 file1 file2  Print lines in file1 not in file2, and vice versa.\n\
 "),
               program_name, program_name);
       emit_ancillary_info ();
@@ -273,6 +274,8 @@ compare_files (char **infiles)
       if (!streams[i])
         error (EXIT_FAILURE, errno, "%s", infiles[i]);
 
+      fadvise (streams[i], FADVISE_SEQUENTIAL);
+
       thisline[i] = readlinebuffer (all_line[i][alt[i][0]], streams[i]);
       if (ferror (streams[i]))
         error (EXIT_FAILURE, errno, "%s", infiles[i]);

src/copy.c

@@ -61,9 +61,7 @@
 # include "verror.h"
 #endif
 
-#if HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
-#endif
+#include <sys/ioctl.h>
 
 #ifndef HAVE_FCHOWN
 # define HAVE_FCHOWN false
@@ -179,11 +177,11 @@ static void
 copy_attr_error (struct error_context *ctx ATTRIBUTE_UNUSED,
                  char const *fmt, ...)
 {
-  int err = errno;
-  va_list ap;
-
   if (!errno_unsupported (errno))
     {
+      int err = errno;
+      va_list ap;
+
       /* use verror module to print error message */
       va_start (ap, fmt);
       verror (0, err, fmt, ap);
@@ -216,51 +214,39 @@ copy_attr_free (struct error_context *ctx ATTRIBUTE_UNUSED,
 {
 }
 
-static bool
-copy_attr_by_fd (char const *src_path, int src_fd,
-                 char const *dst_path, int dst_fd, const struct cp_options *x)
-{
-  struct error_context ctx =
-  {
-    .error = x->require_preserve_xattr ? copy_attr_allerror : copy_attr_error,
-    .quote = copy_attr_quote,
-    .quote_free = copy_attr_free
-  };
-  return 0 == attr_copy_fd (src_path, src_fd, dst_path, dst_fd, 0,
-                            (x->reduce_diagnostics
-                             && !x->require_preserve_xattr)? NULL : &ctx);
-}
+/* If positive SRC_FD and DST_FD descriptors are passed,
+   then copy by fd, otherwise copy by name.  */
 
 static bool
-copy_attr_by_name (char const *src_path, char const *dst_path,
-                   const struct cp_options *x)
+copy_attr (char const *src_path, int src_fd,
+           char const *dst_path, int dst_fd, struct cp_options const *x)
 {
+  int ret;
+  bool all_errors = (!x->data_copy_required || x->require_preserve_xattr);
+  bool some_errors = (!all_errors && !x->reduce_diagnostics);
   struct error_context ctx =
   {
-    .error = x->require_preserve_xattr ? copy_attr_allerror : copy_attr_error,
+    .error = all_errors ? copy_attr_allerror : copy_attr_error,
     .quote = copy_attr_quote,
     .quote_free = copy_attr_free
   };
-  return 0 == attr_copy_file (src_path, dst_path, 0,
-                              (x-> reduce_diagnostics
-                               && !x->require_preserve_xattr) ? NULL : &ctx);
+  if (0 <= src_fd && 0 <= dst_fd)
+    ret = attr_copy_fd (src_path, src_fd, dst_path, dst_fd, 0,
+                        (all_errors || some_errors ? &ctx : NULL));
+  else
+    ret = attr_copy_file (src_path, dst_path, 0,
+                          (all_errors || some_errors ? &ctx : NULL));
+
+  return ret == 0;
 }
 #else /* USE_XATTR */
 
 static bool
-copy_attr_by_fd (char const *src_path ATTRIBUTE_UNUSED,
-                 int src_fd ATTRIBUTE_UNUSED,
-                 char const *dst_path ATTRIBUTE_UNUSED,
-                 int dst_fd ATTRIBUTE_UNUSED,
-                 const struct cp_options *x ATTRIBUTE_UNUSED)
-{
-  return true;
-}
-
-static bool
-copy_attr_by_name (char const *src_path ATTRIBUTE_UNUSED,
-                   char const *dst_path ATTRIBUTE_UNUSED,
-                   const struct cp_options *x ATTRIBUTE_UNUSED)
+copy_attr (char const *src_path ATTRIBUTE_UNUSED,
+           int src_fd ATTRIBUTE_UNUSED,
+           char const *dst_path ATTRIBUTE_UNUSED,
+           int dst_fd ATTRIBUTE_UNUSED,
+           struct cp_options const *x ATTRIBUTE_UNUSED)
 {
   return true;
 }
@@ -485,7 +471,7 @@ copy_reg (char const *src_name, char const *dst_name,
   struct stat sb;
   struct stat src_open_sb;
   bool return_val = true;
-  bool data_copy_required = true;
+  bool data_copy_required = x->data_copy_required;
 
   source_desc = open (src_name,
                       (O_RDONLY | O_BINARY
@@ -528,10 +514,14 @@ copy_reg (char const *src_name, char const *dst_name,
          that is used when the destination file doesn't already exist.  */
       if (x->preserve_security_context && 0 <= dest_desc)
         {
+          bool all_errors = (!x->data_copy_required
+                             || x->require_preserve_context);
+          bool some_errors = !all_errors && !x->reduce_diagnostics;
           security_context_t con = NULL;
+
           if (getfscreatecon (&con) < 0)
             {
-              if (!x->reduce_diagnostics || x->require_preserve_context)
+              if (all_errors || (some_errors && !errno_unsupported (errno)))
                 error (0, errno, _("failed to get file system create context"));
               if (x->require_preserve_context)
                 {
@@ -544,7 +534,7 @@ copy_reg (char const *src_name, char const *dst_name,
             {
               if (fsetfilecon (dest_desc, con) < 0)
                 {
-                  if (!x->reduce_diagnostics || x->require_preserve_context)
+                  if (all_errors || (some_errors && !errno_unsupported (errno)))
                     error (0, errno,
                            _("failed to set the security context of %s to %s"),
                            quote_n (0, dst_name), quote_n (1, con));
@@ -587,10 +577,11 @@ copy_reg (char const *src_name, char const *dst_name,
          lstat'ing the DST_NAME shows that it is a symlink, then we
          have a problem: trying to resolve this dangling symlink to
          a directory/destination-entry pair is fundamentally racy,
-         so punt.  If POSIXLY_CORRECT is set, simply call open again,
-         but without O_EXCL (potentially dangerous).  If not, fail
-         with a diagnostic.  These shenanigans are necessary only
-         when copying, i.e., not in move_mode.  */
+         so punt.  If x->open_dangling_dest_symlink is set (cp sets
+         that when POSIXLY_CORRECT is set in the environment), simply
+         call open again, but without O_EXCL (potentially dangerous).
+         If not, fail with a diagnostic.  These shenanigans are necessary
+         only when copying, i.e., not in move_mode.  */
       if (dest_desc < 0 && dest_errno == EEXIST && ! x->move_mode)
         {
           struct stat dangling_link_sb;
@@ -706,7 +697,7 @@ copy_reg (char const *src_name, char const *dst_name,
       buf_alloc = xmalloc (buf_size + buf_alignment_slop);
       buf = ptr_align (buf_alloc, buf_alignment);
 
-      for (;;)
+      while (true)
         {
           word *wp = NULL;
 
@@ -797,15 +788,9 @@ copy_reg (char const *src_name, char const *dst_name,
 
       if (last_write_made_hole)
         {
-          if (HAVE_FTRUNCATE
-              ? /* ftruncate sets the file size,
-                   so there is no need for a write.  */
-              ftruncate (dest_desc, n_read_total) < 0
-              : /* Seek backwards one character and write a null.  */
-              (lseek (dest_desc, (off_t) -1, SEEK_CUR) < 0L
-               || full_write (dest_desc, "", 1) != 1))
+          if (ftruncate (dest_desc, n_read_total) < 0)
             {
-              error (0, errno, _("writing %s"), quote (dst_name));
+              error (0, errno, _("truncating %s"), quote (dst_name));
               return_val = false;
               goto close_src_and_dst_desc;
             }
@@ -818,7 +803,7 @@ copy_reg (char const *src_name, char const *dst_name,
       timespec[0] = get_stat_atime (src_sb);
       timespec[1] = get_stat_mtime (src_sb);
 
-      if (gl_futimens (dest_desc, dst_name, timespec) != 0)
+      if (fdutimens (dest_desc, dst_name, timespec) != 0)
         {
           error (0, errno, _("preserving times for %s"), quote (dst_name));
           if (x->require_preserve)
@@ -829,24 +814,8 @@ copy_reg (char const *src_name, char const *dst_name,
         }
     }
 
-  /* To allow copying xattrs on read-only files, temporarily chmod u+rw.
-     This workaround is required as an inode permission check is done
-     by xattr_permission() in fs/xattr.c of the GNU/Linux kernel tree.  */
-  if (x->preserve_xattr)
-    {
-      bool access_changed = false;
-
-      if (!(sb.st_mode & S_IWUSR) && geteuid() != 0)
-        access_changed = fchmod_or_lchmod (dest_desc, dst_name, 0600) == 0;
-
-      if (!copy_attr_by_fd (src_name, source_desc, dst_name, dest_desc, x)
-          && x->require_preserve_xattr)
-        return_val = false;
-
-      if (access_changed)
-        fchmod_or_lchmod (dest_desc, dst_name, dst_mode & ~omitted_permissions);
-    }
-
+  /* Set ownership before xattrs as changing owners will
+     clear capabilities.  */
   if (x->preserve_ownership && ! SAME_OWNER_AND_GROUP (*src_sb, sb))
     {
       switch (set_owner (x, dst_name, dest_desc, src_sb, *new_dst, &sb))
@@ -861,6 +830,24 @@ copy_reg (char const *src_name, char const *dst_name,
         }
     }
 
+  /* To allow copying xattrs on read-only files, temporarily chmod u+rw.
+     This workaround is required as an inode permission check is done
+     by xattr_permission() in fs/xattr.c of the GNU/Linux kernel tree.  */
+  if (x->preserve_xattr)
+    {
+      bool access_changed = false;
+
+      if (!(sb.st_mode & S_IWUSR) && geteuid () != 0)
+        access_changed = fchmod_or_lchmod (dest_desc, dst_name, 0600) == 0;
+
+      if (!copy_attr (src_name, source_desc, dst_name, dest_desc, x)
+          && x->require_preserve_xattr)
+        return_val = false;
+
+      if (access_changed)
+        fchmod_or_lchmod (dest_desc, dst_name, dst_mode & ~omitted_permissions);
+    }
+
   set_author (dst_name, dest_desc, src_sb);
 
   if (x->preserve_mode || x->move_mode)
@@ -1245,7 +1232,7 @@ copy_internal (char const *src_name, char const *dst_name,
   struct stat src_sb;
   struct stat dst_sb;
   mode_t src_mode;
-  mode_t dst_mode IF_LINT (= 0);
+  mode_t dst_mode IF_LINT ( = 0);
   mode_t dst_mode_bits;
   mode_t omitted_permissions;
   bool restore_dst_mode = false;
@@ -1824,13 +1811,15 @@ copy_internal (char const *src_name, char const *dst_name,
 
   if (x->preserve_security_context)
     {
+      bool all_errors = !x->data_copy_required || x->require_preserve_context;
+      bool some_errors = !all_errors && !x->reduce_diagnostics;
       security_context_t con;
 
       if (0 <= lgetfilecon (src_name, &con))
         {
           if (setfscreatecon (con) < 0)
             {
-              if (!x->reduce_diagnostics || x->require_preserve_context)
+              if (all_errors || (some_errors && !errno_unsupported (errno)))
                 error (0, errno,
                        _("failed to set default file creation context to %s"),
                        quote (con));
@@ -1844,15 +1833,14 @@ copy_internal (char const *src_name, char const *dst_name,
         }
       else
         {
-          if (!errno_unsupported (errno) || x->require_preserve_context)
+          if (all_errors || (some_errors && !errno_unsupported (errno)))
             {
-              if (!x->reduce_diagnostics || x->require_preserve_context)
-                error (0, errno,
-                       _("failed to get security context of %s"),
-                       quote (src_name));
-              if (x->require_preserve_context)
-                return false;
+              error (0, errno,
+                     _("failed to get security context of %s"),
+                     quote (src_name));
             }
+          if (x->require_preserve_context)
+            return false;
         }
     }
 
@@ -2170,7 +2158,7 @@ copy_internal (char const *src_name, char const *dst_name,
 
   set_author (dst_name, -1, &src_sb);
 
-  if (x->preserve_xattr && ! copy_attr_by_name (src_name, dst_name, x)
+  if (x->preserve_xattr && ! copy_attr (src_name, -1, dst_name, -1, x)
       && x->require_preserve_xattr)
     return false;
 

src/copy.h

@@ -170,6 +170,10 @@ struct cp_options
      will be hard links to the same file (a copy of F).  */
   bool preserve_links;
 
+  /* Optionally don't copy the data, either with CoW reflink files or
+     explicitly with the --attributes-only option.  */
+  bool data_copy_required;
+
   /* If true and any of the above (for preserve) file attributes cannot
      be applied to a destination file, treat it as a failure and return
      nonzero immediately.  E.g. for cp -p this must be true, for mv it
@@ -180,15 +184,13 @@ struct cp_options
      Set this only if the kernel is SELinux enabled.  */
   bool preserve_security_context;
 
-  /* Useful only when preserve_security_context is true.
-     If true, a failed attempt to preserve a file's security context
-     propagates failure "out" to the caller.  If false, a failure to
-     preserve a file's security context does not change the invoking
-     application's exit status.  Give diagnostics for failed syscalls
-     regardless of this setting.  For example, with "cp --preserve=context"
-     this flag is "true", while with "cp -a", it is false.  That means
-     "cp -a" attempts to preserve any security context, but does not
-     fail if it is unable to do so.  */
+  /* Useful only when preserve_context is true.
+     If true, a failed attempt to preserve file's security context
+     propagates failure "out" to the caller, along with full diagnostics.
+     If false, a failure to preserve file's security context does not
+     change the invoking application's exit status, but may output diagnostics.
+     For example, with `cp --preserve=context` this flag is "true",
+     while with `cp --preserve=all` or `cp -a`, it is "false". */
   bool require_preserve_context;
 
   /* If true, attempt to preserve extended attributes using libattr.
@@ -197,16 +199,19 @@ struct cp_options
 
   /* Useful only when preserve_xattr is true.
      If true, a failed attempt to preserve file's extended attributes
-     propagates failure "out" to the caller.  If false, a failure to
-     preserve file's extended attributes does not change the invoking
-     application's exit status.  Give diagnostics for failed syscalls
-     regardless of this setting.  For example, with "cp --preserve=xattr"
-     this flag is "true", while with "cp --preserve=all", it is false. */
+     propagates failure "out" to the caller, along with full diagnostics.
+     If false, a failure to preserve file's extended attributes does not
+     change the invoking application's exit status, but may output diagnostics.
+     For example, with `cp --preserve=xattr` this flag is "true",
+     while with `cp --preserve=all` or `cp -a`, it is "false". */
   bool require_preserve_xattr;
 
-  /* Used as difference boolean between cp -a and cp -dR --preserve=all.
-     If true, non-mandatory failure diagnostics are not displayed. This
-     should prevent poluting cp -a output.
+  /* This allows us to output warnings in cases 2 and 4 below,
+     while being quiet for case 1 (when reduce_diagnostics is true).
+       1. cp -a                       try to copy xattrs with no errors
+       2. cp --preserve=all           copy xattrs with all but ENOTSUP warnings
+       3. cp --preserve=xattr,context copy xattrs with all errors
+       4. mv                          copy xattrs with all but ENOTSUP warnings
    */
   bool reduce_diagnostics;
 

src/cp.c

@@ -72,7 +72,8 @@ struct dir_attr
    non-character as a pseudo short option, starting with CHAR_MAX + 1.  */
 enum
 {
-  COPY_CONTENTS_OPTION = CHAR_MAX + 1,
+  ATTRIBUTES_ONLY_OPTION = CHAR_MAX + 1,
+  COPY_CONTENTS_OPTION,
   NO_PRESERVE_ATTRIBUTES_OPTION,
   PARENTS_OPTION,
   PRESERVE_ATTRIBUTES_OPTION,
@@ -115,6 +116,7 @@ ARGMATCH_VERIFY (reflink_type_string, reflink_type);
 static struct option const long_opts[] =
 {
   {"archive", no_argument, NULL, 'a'},
+  {"attributes-only", no_argument, NULL, ATTRIBUTES_ONLY_OPTION},
   {"backup", optional_argument, NULL, 'b'},
   {"copy-contents", no_argument, NULL, COPY_CONTENTS_OPTION},
   {"dereference", no_argument, NULL, 'L'},
@@ -167,6 +169,7 @@ Mandatory arguments to long options are mandatory for short options too.\n\
 "), stdout);
       fputs (_("\
   -a, --archive                same as -dR --preserve=all\n\
+      --attributes-only        don't copy the file data, just the attributes\n\
       --backup[=CONTROL]       make a backup of each existing destination file\n\
   -b                           like --backup but does not accept an argument\n\
       --copy-contents          copy contents of special files when recursive\n\
@@ -202,12 +205,12 @@ Mandatory arguments to long options are mandatory for short options too.\n\
 "), stdout);
       fputs (_("\
   -R, -r, --recursive          copy directories recursively\n\
-      --reflink[=WHEN]         control clone/CoW copies. See below.\n\
+      --reflink[=WHEN]         control clone/CoW copies. See below\n\
       --remove-destination     remove each existing destination file before\n\
                                  attempting to open it (contrast with --force)\n\
 "), stdout);
       fputs (_("\
-      --sparse=WHEN            control creation of sparse files. See below.\n\
+      --sparse=WHEN            control creation of sparse files. See below\n\
       --strip-trailing-slashes  remove any trailing slashes from each SOURCE\n\
                                  argument\n\
 "), stdout);
@@ -405,7 +408,7 @@ make_dir_parents_private (char const *const_dir, size_t src_offset,
         slash++;
       while ((slash = strchr (slash, '/')))
         {
-          struct dir_attr *new IF_LINT (= NULL);
+          struct dir_attr *new IF_LINT ( = NULL);
           bool missing_dir;
 
           *slash = '\0';
@@ -781,6 +784,7 @@ cp_option_init (struct cp_options *x)
   x->reduce_diagnostics = false;
   x->require_preserve_xattr = false;
 
+  x->data_copy_required = true;
   x->require_preserve = false;
   x->recursive = false;
   x->sparse_mode = SPARSE_AUTO;
@@ -962,6 +966,10 @@ main (int argc, char **argv)
             version_control_string = optarg;
           break;
 
+        case ATTRIBUTES_ONLY_OPTION:
+          x.data_copy_required = false;
+          break;
+
         case COPY_CONTENTS_OPTION:
           copy_contents = true;
           break;

src/csplit.c

@@ -342,7 +342,7 @@ record_line_starts (struct buffer_record *b)
   line_start = b->buffer;
   bytes_left = b->bytes_used;
 
-  for (;;)
+  while (true)
     {
       line_end = memchr (line_start, '\n', bytes_left);
       if (line_end == NULL)
@@ -773,7 +773,7 @@ process_regexp (struct control *p, uintmax_t repetition)
 
   if (p->offset >= 0)
     {
-      for (;;)
+      while (true)
         {
           line = find_line (++current_line);
           if (line == NULL)
@@ -813,7 +813,7 @@ process_regexp (struct control *p, uintmax_t repetition)
   else
     {
       /* Buffer the lines. */
-      for (;;)
+      while (true)
         {
           line = find_line (++current_line);
           if (line == NULL)

src/cut.c

@@ -31,6 +31,7 @@
 #include "system.h"
 
 #include "error.h"
+#include "fadvise.h"
 #include "getndelim2.h"
 #include "hash.h"
 #include "quote.h"
@@ -358,7 +359,7 @@ set_fields (const char *fieldstr)
   /* Collect and store in RP the range end points.
      It also sets EOL_RANGE_START if appropriate.  */
 
-  for (;;)
+  while (true)
     {
       if (*fieldstr == '-')
         {
@@ -733,6 +734,8 @@ cut_file (char const *file)
         }
     }
 
+  fadvise (stream, FADVISE_SEQUENTIAL);
+
   cut_stream (stream);
 
   if (ferror (stream))
@@ -756,7 +759,7 @@ main (int argc, char **argv)
   int optc;
   bool ok;
   bool delim_specified = false;
-  char *spec_list_string IF_LINT(= NULL);
+  char *spec_list_string IF_LINT ( = NULL);
 
   initialize_main (&argc, &argv);
   set_program_name (argv[0]);

src/date.c

@@ -27,7 +27,7 @@
 #include "system.h"
 #include "argmatch.h"
 #include "error.h"
-#include "getdate.h"
+#include "parse-datetime.h"
 #include "posixtm.h"
 #include "quote.h"
 #include "stat-time.h"
@@ -281,7 +281,7 @@ batch_convert (const char *input_filename, const char *format)
           break;
         }
 
-      if (! get_date (&when, line, NULL))
+      if (! parse_datetime (&when, line, NULL))
         {
           if (line[line_length - 1] == '\n')
             line[line_length - 1] = '\0';
@@ -450,7 +450,7 @@ main (int argc, char **argv)
       if (! *format)
         {
           /* Do not wrap the following literal format string with _(...).
-             For example, suppose LC_ALL is unset, LC_TIME="POSIX",
+             For example, suppose LC_ALL is unset, LC_TIME=POSIX,
              and LANG="ko_KR".  In that case, POSIX says that LC_TIME
              determines the format and contents of date and time strings
              written by date, which means "date" must generate output
@@ -500,7 +500,7 @@ main (int argc, char **argv)
             {
               if (set_datestr)
                 datestr = set_datestr;
-              valid_date = get_date (&when, datestr, NULL);
+              valid_date = parse_datetime (&when, datestr, NULL);
             }
         }
 

src/dd.c

@@ -27,10 +27,10 @@
 #include "system.h"
 #include "close-stream.h"
 #include "error.h"
+#include "fadvise.h"
 #include "fd-reopen.h"
 #include "gethrxtime.h"
 #include "human.h"
-#include "ignore-value.h"
 #include "long-options.h"
 #include "quote.h"
 #include "quotearg.h"
@@ -57,12 +57,6 @@ static void process_signals (void);
 #  define siginterrupt(sig, flag) /* empty */
 # endif
 #endif
-#ifndef SA_NODEFER
-# define SA_NODEFER 0
-#endif
-#ifndef SA_RESETHAND
-# define SA_RESETHAND 0
-#endif
 
 #ifndef SIGINFO
 # define SIGINFO SIGUSR1
@@ -802,7 +796,7 @@ process_signals (void)
 static ssize_t
 iread (int fd, char *buf, size_t size)
 {
-  for (;;)
+  while (true)
     {
       ssize_t nread;
       process_signals ();
@@ -855,12 +849,9 @@ iwrite (int fd, char const *buf, size_t size)
          posix_fadvise to tell the system not to pollute the buffer
          cache with this data.  Don't bother to diagnose lseek or
          posix_fadvise failure. */
-#ifdef POSIX_FADV_DONTNEED
       off_t off = lseek (STDOUT_FILENO, 0, SEEK_CUR);
       if (0 <= off)
-        ignore_value (posix_fadvise (STDOUT_FILENO,
-                                     off, 0, POSIX_FADV_DONTNEED));
-#endif
+        fdadvise (STDOUT_FILENO, off, 0, FADVISE_DONTNEED);
 
       /* Attempt to ensure that that final block is committed
          to disk as quickly as possible.  */
@@ -932,7 +923,7 @@ parse_symbols (char const *str, struct symbol_value const *table,
 {
   int value = 0;
 
-  for (;;)
+  while (true)
     {
       char const *strcomma = strchr (str, ',');
       struct symbol_value const *entry;
@@ -1563,6 +1554,16 @@ set_fd_flags (int fd, int add_flags, char const *name)
     }
 }
 
+static char *
+human_size (size_t n)
+{
+  static char hbuf[LONGEST_HUMAN_READABLE + 1];
+  int human_opts =
+    (human_autoscale | human_round_to_nearest | human_base_1024
+     | human_space_before_unit | human_SI | human_B);
+  return human_readable (n, hbuf, human_opts, 1, 1);
+}
+
 /* The main loop.  */
 
 static int
@@ -1599,7 +1600,12 @@ dd_copy (void)
      It is necessary when accessing raw (i.e. character special) disk
      devices on Unixware or other SVR4-derived system.  */
 
-  real_buf = xmalloc (input_blocksize + INPUT_BLOCK_SLOP);
+  real_buf = malloc (input_blocksize + INPUT_BLOCK_SLOP);
+  if (!real_buf)
+    error (EXIT_FAILURE, 0,
+           _("memory exhausted by input buffer of size %zu bytes (%s)"),
+           input_blocksize, human_size (input_blocksize));
+
   ibuf = real_buf;
   ibuf += SWAB_ALIGN_OFFSET;	/* allow space for swab */
 
@@ -1608,7 +1614,11 @@ dd_copy (void)
   if (conversions_mask & C_TWOBUFS)
     {
       /* Page-align the output buffer, too.  */
-      real_obuf = xmalloc (output_blocksize + OUTPUT_BLOCK_SLOP);
+      real_obuf = malloc (output_blocksize + OUTPUT_BLOCK_SLOP);
+      if (!real_obuf)
+        error (EXIT_FAILURE, 0,
+               _("memory exhausted by output buffer of size %zu bytes (%s)"),
+               output_blocksize, human_size (output_blocksize));
       obuf = ptr_align (real_obuf, page_size);
     }
   else
@@ -1875,7 +1885,7 @@ main (int argc, char **argv)
 
   offset = lseek (STDIN_FILENO, 0, SEEK_CUR);
   input_seekable = (0 <= offset);
-  input_offset = MAX(0, offset);
+  input_offset = MAX (0, offset);
   input_seek_errno = errno;
 
   if (output_file == NULL)

src/df.c

@@ -29,8 +29,7 @@
 #include "human.h"
 #include "mountlist.h"
 #include "quote.h"
-#include "save-cwd.h"
-#include "xgetcwd.h"
+#include "find-mount-point.h"
 
 /* The official name of this program (e.g., no `g' prefix).  */
 #define PROGRAM_NAME "df"
@@ -522,94 +521,6 @@ show_dev (char const *disk, char const *mount_point,
   putchar ('\n');
 }
 
-/* Return the root mountpoint of the file system on which FILE exists, in
-   malloced storage.  FILE_STAT should be the result of stating FILE.
-   Give a diagnostic and return NULL if unable to determine the mount point.
-   Exit if unable to restore current working directory.  */
-static char *
-find_mount_point (const char *file, const struct stat *file_stat)
-{
-  struct saved_cwd cwd;
-  struct stat last_stat;
-  char *mp = NULL;		/* The malloced mount point.  */
-
-  if (save_cwd (&cwd) != 0)
-    {
-      error (0, errno, _("cannot get current directory"));
-      return NULL;
-    }
-
-  if (S_ISDIR (file_stat->st_mode))
-    /* FILE is a directory, so just chdir there directly.  */
-    {
-      last_stat = *file_stat;
-      if (chdir (file) < 0)
-        {
-          error (0, errno, _("cannot change to directory %s"), quote (file));
-          return NULL;
-        }
-    }
-  else
-    /* FILE is some other kind of file; use its directory.  */
-    {
-      char *xdir = dir_name (file);
-      char *dir;
-      ASSIGN_STRDUPA (dir, xdir);
-      free (xdir);
-
-      if (chdir (dir) < 0)
-        {
-          error (0, errno, _("cannot change to directory %s"), quote (dir));
-          return NULL;
-        }
-
-      if (stat (".", &last_stat) < 0)
-        {
-          error (0, errno, _("cannot stat current directory (now %s)"),
-                 quote (dir));
-          goto done;
-        }
-    }
-
-  /* Now walk up FILE's parents until we find another file system or /,
-     chdiring as we go.  LAST_STAT holds stat information for the last place
-     we visited.  */
-  for (;;)
-    {
-      struct stat st;
-      if (stat ("..", &st) < 0)
-        {
-          error (0, errno, _("cannot stat %s"), quote (".."));
-          goto done;
-        }
-      if (st.st_dev != last_stat.st_dev || st.st_ino == last_stat.st_ino)
-        /* cwd is the mount point.  */
-        break;
-      if (chdir ("..") < 0)
-        {
-          error (0, errno, _("cannot change to directory %s"), quote (".."));
-          goto done;
-        }
-      last_stat = st;
-    }
-
-  /* Finally reached a mount point, see what it's called.  */
-  mp = xgetcwd ();
-
-done:
-  /* Restore the original cwd.  */
-  {
-    int save_errno = errno;
-    if (restore_cwd (&cwd) != 0)
-      error (EXIT_FAILURE, errno,
-             _("failed to return to initial working directory"));
-    free_cwd (&cwd);
-    errno = save_errno;
-  }
-
-  return mp;
-}
-
 /* If DISK corresponds to a mount point, show its usage
    and return true.  Otherwise, return false.  */
 static bool
@@ -643,54 +554,35 @@ show_point (const char *point, const struct stat *statp)
   struct mount_entry *me;
   struct mount_entry const *best_match = NULL;
 
-  /* If POINT is an absolute file name, see if we can find the
-     mount point without performing any extra stat calls at all.  */
-  if (*point == '/')
-    {
-      /* Find the best match: prefer non-dummies, and then prefer the
-         last match if there are ties.  */
-
-      for (me = mount_list; me; me = me->me_next)
-        if (STREQ (me->me_mountdir, point) && !STREQ (me->me_type, "lofs")
-            && (!best_match || best_match->me_dummy || !me->me_dummy))
-          best_match = me;
-    }
-
   /* Calculate the real absolute file name for POINT, and use that to find
      the mount point.  This avoids statting unavailable mount points,
      which can hang df.  */
-  if (! best_match)
+  char *resolved = canonicalize_file_name (point);
+  if (resolved && resolved[0] == '/')
     {
-      char *resolved = canonicalize_file_name (point);
+      size_t resolved_len = strlen (resolved);
+      size_t best_match_len = 0;
 
-      if (resolved && resolved[0] == '/')
+      for (me = mount_list; me; me = me->me_next)
+      if (!STREQ (me->me_type, "lofs")
+          && (!best_match || best_match->me_dummy || !me->me_dummy))
         {
-          size_t resolved_len = strlen (resolved);
-          size_t best_match_len = 0;
-
-          for (me = mount_list; me; me = me->me_next)
-            if (!STREQ (me->me_type, "lofs")
-                && (!best_match || best_match->me_dummy || !me->me_dummy))
-              {
-                size_t len = strlen (me->me_mountdir);
-                if (best_match_len <= len && len <= resolved_len
-                    && (len == 1 /* root file system */
-                        || ((len == resolved_len || resolved[len] == '/')
-                            && strncmp (me->me_mountdir, resolved, len) == 0)))
-                  {
-                    best_match = me;
-                    best_match_len = len;
-                  }
-              }
+          size_t len = strlen (me->me_mountdir);
+          if (best_match_len <= len && len <= resolved_len
+              && (len == 1 /* root file system */
+                  || ((len == resolved_len || resolved[len] == '/')
+                      && strncmp (me->me_mountdir, resolved, len) == 0)))
+            {
+              best_match = me;
+              best_match_len = len;
+            }
         }
-
-      free (resolved);
-
-      if (best_match
-          && (stat (best_match->me_mountdir, &disk_stats) != 0
-              || disk_stats.st_dev != statp->st_dev))
-        best_match = NULL;
     }
+  free (resolved);
+  if (best_match
+      && (stat (best_match->me_mountdir, &disk_stats) != 0
+          || disk_stats.st_dev != statp->st_dev))
+    best_match = NULL;
 
   if (! best_match)
     for (me = mount_list; me; me = me->me_next)
@@ -819,7 +711,9 @@ Mandatory arguments to long options are mandatory for short options too.\n\
 "), stdout);
       fputs (_("\
   -a, --all             include dummy file systems\n\
-  -B, --block-size=SIZE  use SIZE-byte blocks\n\
+  -B, --block-size=SIZE  scale sizes by SIZE before printing them.  E.g.,\n\
+                           `-BM' prints sizes in units of 1,048,576 bytes.\n\
+                           See SIZE format below.\n\
       --total           produce a grand total\n\
   -h, --human-readable  print sizes in human readable format (e.g., 1K 234M 2G)\n\
   -H, --si              likewise, but use powers of 1000 not 1024\n\
@@ -850,7 +744,7 @@ Mandatory arguments to long options are mandatory for short options too.\n\
 int
 main (int argc, char **argv)
 {
-  struct stat *stats IF_LINT (= 0);
+  struct stat *stats IF_LINT ( = 0);
 
   initialize_main (&argc, &argv);
   set_program_name (argv[0]);
@@ -873,7 +767,7 @@ main (int argc, char **argv)
   print_grand_total = false;
   grand_fsu.fsu_blocksize = 1;
 
-  for (;;)
+  while (true)
     {
       int oi = -1;
       int c = getopt_long (argc, argv, "aB:iF:hHklmPTt:vx:", long_options,

src/dircolors.hin

@@ -38,15 +38,20 @@ TERM mach-color
 TERM mlterm
 TERM putty
 TERM rxvt
+TERM rxvt-256color
 TERM rxvt-cygwin
 TERM rxvt-cygwin-native
 TERM rxvt-unicode
+TERM rxvt-unicode-256color
+TERM rxvt-unicode256
 TERM screen
 TERM screen-256color
 TERM screen-256color-bce
 TERM screen-bce
 TERM screen-w
+TERM screen.rxvt
 TERM screen.linux
+TERM terminator
 TERM vt100
 TERM xterm
 TERM xterm-16color

src/dirname.c

@@ -48,8 +48,8 @@ Usage: %s NAME\n\
 "),
               program_name, program_name);
       fputs (_("\
-Print NAME with its trailing /component removed; if NAME contains no /'s,\n\
-output `.' (meaning the current directory).\n\
+Output NAME with its last non-slash component and trailing slashes removed;\n\
+if NAME contains no /'s, output `.' (meaning the current directory).\n\
 \n\
 "), stdout);
       fputs (HELP_OPTION_DESCRIPTION, stdout);
@@ -57,7 +57,7 @@ output `.' (meaning the current directory).\n\
       printf (_("\
 \n\
 Examples:\n\
-  %s /usr/bin/sort  Output \"/usr/bin\".\n\
+  %s /usr/bin/      Output \"/usr\".\n\
   %s stdio.h        Output \".\".\n\
 "),
               program_name, program_name);

src/du.c

@@ -30,10 +30,10 @@
 #include "system.h"
 #include "argmatch.h"
 #include "argv-iter.h"
+#include "di-set.h"
 #include "error.h"
 #include "exclude.h"
 #include "fprintftime.h"
-#include "hash.h"
 #include "human.h"
 #include "quote.h"
 #include "quotearg.h"
@@ -56,25 +56,12 @@ extern bool fts_debug;
 
 #if DU_DEBUG
 # define FTS_CROSS_CHECK(Fts) fts_cross_check (Fts)
-# define DEBUG_OPT "d"
 #else
 # define FTS_CROSS_CHECK(Fts)
-# define DEBUG_OPT
 #endif
 
-/* Initial size of the hash table.  */
-#define INITIAL_TABLE_SIZE 103
-
-/* Hash structure for inode and device numbers.  The separate entry
-   structure makes it easier to rehash "in place".  */
-struct entry
-{
-  ino_t st_ino;
-  dev_t st_dev;
-};
-
 /* A set of dev/ino pairs.  */
-static Hash_table *htab;
+static struct di_set *di_set;
 
 /* Define a class for collecting directory information. */
 
@@ -134,6 +121,9 @@ static bool apparent_size = false;
 /* If true, count each hard link of files with multiple links.  */
 static bool opt_count_all = false;
 
+/* If true, hash all files to look for hard links.  */
+static bool hash_all;
+
 /* If true, output the NUL byte instead of a newline at the end of each line. */
 static bool opt_nul_terminate_output = false;
 
@@ -192,7 +182,7 @@ enum
   EXCLUDE_OPTION,
   FILES0_FROM_OPTION,
   HUMAN_SI_OPTION,
-  MAX_DEPTH_OPTION,
+  FTS_DEBUG,
   TIME_OPTION,
   TIME_STYLE_OPTION
 };
@@ -204,6 +194,7 @@ static struct option const long_options[] =
   {"block-size", required_argument, NULL, 'B'},
   {"bytes", no_argument, NULL, 'b'},
   {"count-links", no_argument, NULL, 'l'},
+  /* {"-debug", no_argument, NULL, FTS_DEBUG}, */
   {"dereference", no_argument, NULL, 'L'},
   {"dereference-args", no_argument, NULL, 'D'},
   {"exclude", required_argument, NULL, EXCLUDE_OPTION},
@@ -211,7 +202,7 @@ static struct option const long_options[] =
   {"files0-from", required_argument, NULL, FILES0_FROM_OPTION},
   {"human-readable", no_argument, NULL, 'h'},
   {"si", no_argument, NULL, HUMAN_SI_OPTION},
-  {"max-depth", required_argument, NULL, MAX_DEPTH_OPTION},
+  {"max-depth", required_argument, NULL, 'd'},
   {"null", no_argument, NULL, '0'},
   {"no-dereference", no_argument, NULL, 'P'},
   {"one-file-system", no_argument, NULL, 'x'},
@@ -282,7 +273,9 @@ Mandatory arguments to long options are mandatory for short options too.\n\
                           fragmentation, indirect blocks, and the like\n\
 "), stdout);
       fputs (_("\
-  -B, --block-size=SIZE  use SIZE-byte blocks\n\
+  -B, --block-size=SIZE  scale sizes by SIZE before printing them.  E.g.,\n\
+                           `-BM' prints sizes in units of 1,048,576 bytes.\n\
+                           See SIZE format below.\n\
   -b, --bytes           equivalent to `--apparent-size --block-size=1'\n\
   -c, --total           produce a grand total\n\
   -D, --dereference-args  dereference only symlinks that are listed on the\n\
@@ -312,7 +305,7 @@ Mandatory arguments to long options are mandatory for short options too.\n\
   -x, --one-file-system    skip directories on different file systems\n\
   -X, --exclude-from=FILE  exclude files that match any pattern in FILE\n\
       --exclude=PATTERN    exclude files that match PATTERN\n\
-      --max-depth=N     print the total for a directory (or file, with --all)\n\
+  -d, --max-depth=N     print the total for a directory (or file, with --all)\n\
                           only if it is N or fewer levels below the command\n\
                           line argument;  --max-depth=0 is the same as\n\
                           --summarize\n\
@@ -335,66 +328,16 @@ Mandatory arguments to long options are mandatory for short options too.\n\
   exit (status);
 }
 
-static size_t
-entry_hash (void const *x, size_t table_size)
-{
-  struct entry const *p = x;
-
-  /* Ignoring the device number here should be fine.  */
-  /* The cast to uintmax_t prevents negative remainders
-     if st_ino is negative.  */
-  return (uintmax_t) p->st_ino % table_size;
-}
-
-/* Compare two dev/ino pairs.  Return true if they are the same.  */
-static bool
-entry_compare (void const *x, void const *y)
-{
-  struct entry const *a = x;
-  struct entry const *b = y;
-  return SAME_INODE (*a, *b) ? true : false;
-}
-
 /* Try to insert the INO/DEV pair into the global table, HTAB.
    Return true if the pair is successfully inserted,
    false if the pair is already in the table.  */
 static bool
 hash_ins (ino_t ino, dev_t dev)
 {
-  struct entry *ent;
-  struct entry *ent_from_table;
-
-  ent = xmalloc (sizeof *ent);
-  ent->st_ino = ino;
-  ent->st_dev = dev;
-
-  ent_from_table = hash_insert (htab, ent);
-  if (ent_from_table == NULL)
-    {
-      /* Insertion failed due to lack of memory.  */
-      xalloc_die ();
-    }
-
-  if (ent_from_table == ent)
-    {
-      /* Insertion succeeded.  */
-      return true;
-    }
-
-  /* That pair is already in the table, so ENT was not inserted.  Free it.  */
-  free (ent);
-
-  return false;
-}
-
-/* Initialize the hash table.  */
-static void
-hash_init (void)
-{
-  htab = hash_initialize (INITIAL_TABLE_SIZE, NULL,
-                          entry_hash, entry_compare, free);
-  if (htab == NULL)
+  int inserted = di_set_insert (di_set, dev, ino);
+  if (inserted < 0)
     xalloc_die ();
+  return inserted;
 }
 
 /* FIXME: this code is nearly identical to code in date.c  */
@@ -449,7 +392,7 @@ print_size (const struct duinfo *pdui, const char *string)
 static bool
 process_file (FTS *fts, FTSENT *ent)
 {
-  bool ok;
+  bool ok = true;
   struct duinfo dui;
   struct duinfo dui_to_print;
   size_t level;
@@ -464,79 +407,85 @@ process_file (FTS *fts, FTSENT *ent)
      The sum of the sizes of all entries in the hierarchy at or below the
      directory at the specified level.  */
   static struct dulevel *dulvl;
-  bool print = true;
 
   const char *file = ent->fts_path;
   const struct stat *sb = ent->fts_statp;
-  bool skip;
+  int info = ent->fts_info;
 
-  /* If necessary, set FTS_SKIP before returning.  */
-  skip = excluded_file_name (exclude, file);
-  if (skip)
-    fts_set (fts, ent, FTS_SKIP);
-
-  switch (ent->fts_info)
+  if (info == FTS_DNR)
     {
-    case FTS_NS:
-      error (0, ent->fts_errno, _("cannot access %s"), quote (file));
-      return false;
-
-    case FTS_ERR:
-      /* if (S_ISDIR (ent->fts_statp->st_mode) && FIXME */
-      error (0, ent->fts_errno, _("%s"), quote (file));
-      return false;
-
-    case FTS_DNR:
-      /* Don't return just yet, since although the directory is not readable,
-         we were able to stat it, so we do have a size.  */
+      /* An error occurred, but the size is known, so count it.  */
       error (0, ent->fts_errno, _("cannot read directory %s"), quote (file));
       ok = false;
-      break;
-
-    case FTS_DC:		/* directory that causes cycles */
-      if (cycle_warning_required (fts, ent))
+    }
+  else if (info != FTS_DP)
+    {
+      bool excluded = excluded_file_name (exclude, file);
+      if (! excluded)
         {
-          emit_cycle_warning (file);
-          return false;
+          /* Make the stat buffer *SB valid, or fail noisily.  */
+
+          if (info == FTS_NSOK)
+            {
+              fts_set (fts, ent, FTS_AGAIN);
+              FTSENT const *e = fts_read (fts);
+              assert (e == ent);
+              info = ent->fts_info;
+            }
+
+          if (info == FTS_NS || info == FTS_SLNONE)
+            {
+              error (0, ent->fts_errno, _("cannot access %s"), quote (file));
+              return false;
+            }
         }
-      ok = true;
-      break;
 
-    default:
-      ok = true;
-      break;
+      if (excluded
+          || (! opt_count_all
+              && (hash_all || (! S_ISDIR (sb->st_mode) && 1 < sb->st_nlink))
+              && ! hash_ins (sb->st_ino, sb->st_dev)))
+        {
+          /* If ignoring a directory in preorder, skip its children.
+             Ignore the next fts_read output too, as it's a postorder
+             visit to the same directory.  */
+          if (info == FTS_D)
+            {
+              fts_set (fts, ent, FTS_SKIP);
+              FTSENT const *e = fts_read (fts);
+              assert (e == ent);
+            }
+
+          return true;
+        }
+
+      switch (info)
+        {
+        case FTS_D:
+          return true;
+
+        case FTS_ERR:
+          /* An error occurred, but the size is known, so count it.  */
+          error (0, ent->fts_errno, "%s", quote (file));
+          ok = false;
+          break;
+
+        case FTS_DC:
+          if (cycle_warning_required (fts, ent))
+            {
+              emit_cycle_warning (file);
+              return false;
+            }
+          return true;
+        }
     }
 
-  /* If this is the first (pre-order) encounter with a directory,
-     or if it's the second encounter for a skipped directory, then
-     return right away.  */
-  if (ent->fts_info == FTS_D || skip)
-    return ok;
-
-  /* If the file is being excluded or if it has already been counted
-     via a hard link, then don't let it contribute to the sums.  */
-  if (skip
-      || (!opt_count_all
-          && ! S_ISDIR (sb->st_mode)
-          && 1 < sb->st_nlink
-          && ! hash_ins (sb->st_ino, sb->st_dev)))
-    {
-      /* Note that we must not simply return here.
-         We still have to update prev_level and maybe propagate
-         some sums up the hierarchy.  */
-      duinfo_init (&dui);
-      print = false;
-    }
-  else
-    {
-      duinfo_set (&dui,
-                  (apparent_size
-                   ? sb->st_size
-                   : (uintmax_t) ST_NBLOCKS (*sb) * ST_NBLOCKSIZE),
-                  (time_type == time_mtime ? get_stat_mtime (sb)
-                   : time_type == time_atime ? get_stat_atime (sb)
-                   : get_stat_ctime (sb)));
-    }
+  duinfo_set (&dui,
+              (apparent_size
+               ? sb->st_size
+               : (uintmax_t) ST_NBLOCKS (*sb) * ST_NBLOCKSIZE),
+              (time_type == time_mtime ? get_stat_mtime (sb)
+               : time_type == time_atime ? get_stat_atime (sb)
+               : get_stat_ctime (sb)));
 
   level = ent->fts_level;
   dui_to_print = dui;
@@ -593,20 +542,14 @@ process_file (FTS *fts, FTSENT *ent)
 
   /* Let the size of a directory entry contribute to the total for the
      containing directory, unless --separate-dirs (-S) is specified.  */
-  if ( ! (opt_separate_dirs && IS_DIR_TYPE (ent->fts_info)))
+  if (! (opt_separate_dirs && IS_DIR_TYPE (info)))
     duinfo_add (&dulvl[level].ent, &dui);
 
   /* Even if this directory is unreadable or we can't chdir into it,
      do let its size contribute to the total. */
   duinfo_add (&tot_dui, &dui);
 
-  /* If we're not counting an entry, e.g., because it's a hard link
-     to a file we've already counted (and --count-links), then don't
-     print a line for it.  */
-  if (!print)
-    return ok;
-
-  if ((IS_DIR_TYPE (ent->fts_info) && level <= max_depth)
+  if ((IS_DIR_TYPE (info) && level <= max_depth)
       || ((opt_all && level <= max_depth) || level == 0))
     print_size (&dui_to_print, file);
 
@@ -666,7 +609,7 @@ main (int argc, char **argv)
   char *files_from = NULL;
 
   /* Bit flags that control how fts works.  */
-  int bit_flags = FTS_TIGHT_CYCLE_CHECK | FTS_DEFER_STAT;
+  int bit_flags = FTS_NOSTAT;
 
   /* Select one of the three FTS_ options that control if/when
      to follow a symlink.  */
@@ -691,10 +634,10 @@ main (int argc, char **argv)
   human_options (getenv ("DU_BLOCK_SIZE"),
                  &human_output_opts, &output_block_size);
 
-  for (;;)
+  while (true)
     {
       int oi = -1;
-      int c = getopt_long (argc, argv, DEBUG_OPT "0abchHklmsxB:DLPSX:",
+      int c = getopt_long (argc, argv, "0abd:chHklmsxB:DLPSX:",
                            long_options, &oi);
       if (c == -1)
         break;
@@ -702,7 +645,7 @@ main (int argc, char **argv)
       switch (c)
         {
 #if DU_DEBUG
-        case 'd':
+        case FTS_DEBUG:
           fts_debug = true;
           break;
 #endif
@@ -744,7 +687,7 @@ main (int argc, char **argv)
           output_block_size = 1024;
           break;
 
-        case MAX_DEPTH_OPTION:		/* --max-depth=N */
+        case 'd':		/* --max-depth=N */
           {
             unsigned long int tmp_ulong;
             if (xstrtoul (optarg, NULL, 0, &tmp_ulong, NULL) == LONGINT_OK
@@ -936,18 +879,34 @@ main (int argc, char **argv)
                quote (files_from));
 
       ai = argv_iter_init_stream (stdin);
+
+      /* It's not easy here to count the arguments, so assume the
+         worst.  */
+      hash_all = true;
     }
   else
     {
       char **files = (optind < argc ? argv + optind : cwd_only);
       ai = argv_iter_init_argv (files);
+
+      /* Hash all dev,ino pairs if there are multiple arguments, or if
+         following non-command-line symlinks, because in either case a
+         file with just one hard link might be seen more than once.  */
+      hash_all = (optind + 1 < argc || symlink_deref_bits == FTS_LOGICAL);
     }
 
   if (!ai)
     xalloc_die ();
 
-  /* Initialize the hash structure for inode numbers.  */
-  hash_init ();
+  /* Initialize the set of dev,inode pairs.  */
+  di_set = di_set_alloc ();
+  if (!di_set)
+    xalloc_die ();
+
+  /* If not hashing everything, process_file won't find cycles on its
+     own, so ask fts_read to check for them accurately.  */
+  if (opt_count_all || ! hash_all)
+    bit_flags |= FTS_TIGHT_CYCLE_CHECK;
 
   bit_flags |= symlink_deref_bits;
   static char *temp_argv[] = { NULL, NULL };
@@ -1018,6 +977,7 @@ main (int argc, char **argv)
     }
 
   argv_iter_free (ai);
+  di_set_free (di_set);
 
   if (files_from && (ferror (stdin) || fclose (stdin) != 0))
     error (EXIT_FAILURE, 0, _("error reading %s"), quote (files_from));
@@ -1025,7 +985,5 @@ main (int argc, char **argv)
   if (print_grand_total)
     print_size (&tot_dui, _("total"));
 
-  hash_free (htab);
-
   exit (ok ? EXIT_SUCCESS : EXIT_FAILURE);
 }

src/expand.c

@@ -40,6 +40,7 @@
 #include <sys/types.h>
 #include "system.h"
 #include "error.h"
+#include "fadvise.h"
 #include "quote.h"
 #include "xstrndup.h"
 
@@ -144,8 +145,8 @@ static void
 parse_tab_stops (char const *stops)
 {
   bool have_tabval = false;
-  uintmax_t tabval IF_LINT (= 0);
-  char const *num_start IF_LINT (= NULL);
+  uintmax_t tabval IF_LINT ( = 0);
+  char const *num_start IF_LINT ( = NULL);
   bool ok = true;
 
   for (; *stops; stops++)
@@ -243,13 +244,14 @@ next_file (FILE *fp)
       if (STREQ (file, "-"))
         {
           have_read_stdin = true;
-          prev_file = file;
-          return stdin;
+          fp = stdin;
         }
-      fp = fopen (file, "r");
+      else
+        fp = fopen (file, "r");
       if (fp)
         {
           prev_file = file;
+          fadvise (fp, FADVISE_SEQUENTIAL);
           return fp;
         }
       error (0, errno, "%s", file);
@@ -270,7 +272,7 @@ expand (void)
   if (!fp)
     return;
 
-  for (;;)
+  while (true)
     {
       /* Input character, or EOF.  */
       int c;
@@ -306,7 +308,7 @@ expand (void)
                   if (tab_size)
                     next_tab_column = column + (tab_size - column % tab_size);
                   else
-                    for (;;)
+                    while (true)
                       if (tab_index == first_free_tab)
                         {
                           next_tab_column = column + 1;

src/expr.c

@@ -547,7 +547,7 @@ trace (fxn)
 static VALUE *
 docolon (VALUE *sv, VALUE *pv)
 {
-  VALUE *v IF_LINT (= NULL);
+  VALUE *v IF_LINT ( = NULL);
   const char *errmsg;
   struct re_pattern_buffer re_buffer;
   char fastmap[UCHAR_MAX + 1];
@@ -787,7 +787,7 @@ eval4 (bool evaluate)
       if (evaluate)
         {
           if (!toarith (l) || !toarith (r))
-            error (EXPR_INVALID, 0, _("non-numeric argument"));
+            error (EXPR_INVALID, 0, _("non-integer argument"));
           if (fxn != multiply && mpz_sgn (r->u.i) == 0)
             error (EXPR_INVALID, 0, _("division by zero"));
           ((fxn == multiply ? mpz_mul
@@ -824,7 +824,7 @@ eval3 (bool evaluate)
       if (evaluate)
         {
           if (!toarith (l) || !toarith (r))
-            error (EXPR_INVALID, 0, _("non-numeric argument"));
+            error (EXPR_INVALID, 0, _("non-integer argument"));
           (fxn == plus ? mpz_add : mpz_sub) (l->u.i, l->u.i, r->u.i);
         }
       freev (r);

src/factor.c

@@ -107,7 +107,7 @@ factor_using_division (mpz_t t, unsigned int limit)
       --f;
     }
 
-  for (;;)
+  while (true)
     {
       mpz_tdiv_qr_ui (q, r, t, 3);
       if (mpz_cmp_ui (r, 0) != 0)
@@ -116,7 +116,7 @@ factor_using_division (mpz_t t, unsigned int limit)
       emit_ul_factor (3);
     }
 
-  for (;;)
+  while (true)
     {
       mpz_tdiv_qr_ui (q, r, t, 5);
       if (mpz_cmp_ui (r, 0) != 0)
@@ -516,7 +516,7 @@ do_stdin (void)
 
   init_tokenbuffer (&tokenbuffer);
 
-  for (;;)
+  while (true)
     {
       size_t token_length = readtoken (stdin, DELIM, sizeof (DELIM) - 1,
                                        &tokenbuffer);

src/find-mount-point.c

@@ -0,0 +1,113 @@
+/* find-mount-point.c -- find the root mount point for a file.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+#include <sys/types.h>
+
+#include "system.h"
+#include "error.h"
+#include "quote.h"
+#include "save-cwd.h"
+#include "xgetcwd.h"
+#include "find-mount-point.h"
+
+/* Return the root mountpoint of the file system on which FILE exists, in
+   malloced storage.  FILE_STAT should be the result of stating FILE.
+   Give a diagnostic and return NULL if unable to determine the mount point.
+   Exit if unable to restore current working directory.  */
+extern char *
+find_mount_point (const char *file, const struct stat *file_stat)
+{
+  struct saved_cwd cwd;
+  struct stat last_stat;
+  char *mp = NULL;		/* The malloced mount point.  */
+
+  if (save_cwd (&cwd) != 0)
+    {
+      error (0, errno, _("cannot get current directory"));
+      return NULL;
+    }
+
+  if (S_ISDIR (file_stat->st_mode))
+    /* FILE is a directory, so just chdir there directly.  */
+    {
+      last_stat = *file_stat;
+      if (chdir (file) < 0)
+        {
+          error (0, errno, _("cannot change to directory %s"), quote (file));
+          return NULL;
+        }
+    }
+  else
+    /* FILE is some other kind of file; use its directory.  */
+    {
+      char *xdir = dir_name (file);
+      char *dir;
+      ASSIGN_STRDUPA (dir, xdir);
+      free (xdir);
+
+      if (chdir (dir) < 0)
+        {
+          error (0, errno, _("cannot change to directory %s"), quote (dir));
+          return NULL;
+        }
+
+      if (stat (".", &last_stat) < 0)
+        {
+          error (0, errno, _("cannot stat current directory (now %s)"),
+                 quote (dir));
+          goto done;
+        }
+    }
+
+  /* Now walk up FILE's parents until we find another file system or /,
+     chdiring as we go.  LAST_STAT holds stat information for the last place
+     we visited.  */
+  while (true)
+    {
+      struct stat st;
+      if (stat ("..", &st) < 0)
+        {
+          error (0, errno, _("cannot stat %s"), quote (".."));
+          goto done;
+        }
+      if (st.st_dev != last_stat.st_dev || st.st_ino == last_stat.st_ino)
+        /* cwd is the mount point.  */
+        break;
+      if (chdir ("..") < 0)
+        {
+          error (0, errno, _("cannot change to directory %s"), quote (".."));
+          goto done;
+        }
+      last_stat = st;
+    }
+
+  /* Finally reached a mount point, see what it's called.  */
+  mp = xgetcwd ();
+
+done:
+  /* Restore the original cwd.  */
+  {
+    int save_errno = errno;
+    if (restore_cwd (&cwd) != 0)
+      error (EXIT_FAILURE, errno,
+             _("failed to return to initial working directory"));
+    free_cwd (&cwd);
+    errno = save_errno;
+  }
+
+  return mp;
+}

src/find-mount-point.h

@@ -0,0 +1,17 @@
+/* find-mount-point.h -- find the root mount point for a file.
+   Copyright (C) 2010 Free Software Foundation, Inc.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+extern char* find_mount_point (const char *, const struct stat *);

src/fmt.c

@@ -27,6 +27,7 @@
 
 #include "system.h"
 #include "error.h"
+#include "fadvise.h"
 #include "quote.h"
 #include "xstrtol.h"
 
@@ -463,6 +464,7 @@ set_prefix (char *p)
 static void
 fmt (FILE *f)
 {
+  fadvise (f, FADVISE_SEQUENTIAL);
   tabs = false;
   other_indent = 0;
   next_char = get_prefix (f);
@@ -728,7 +730,7 @@ get_prefix (FILE *f)
 static int
 get_space (FILE *f, int c)
 {
-  for (;;)
+  while (true)
     {
       if (c == ' ')
         in_column++;

src/fold.c

@@ -24,6 +24,7 @@
 
 #include "system.h"
 #include "error.h"
+#include "fadvise.h"
 #include "quote.h"
 #include "xstrtol.h"
 
@@ -142,6 +143,8 @@ fold_file (char const *filename, size_t width)
       return false;
     }
 
+  fadvise (stdin, FADVISE_SEQUENTIAL);
+
   while ((c = getc (istream)) != EOF)
     {
       if (offset_out + 1 >= allocated_out)