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These commands would fail to terminate:
yes -- -nan | head -156903 | sort -g > /dev/null
echo nan > F; sort -m -g F F
That can happen with any strtold implementation that includes
uninitialized data in its return value. The problem arises in the
mergefps function when bubble-sorting the two or more lines, each
from one of the input streams being merged: compare(a,b) returns 64,
yet compare(b,a) also returns a positive value. With a broken
comparison function like that, the bubble sort never terminates.
Why do the long-double bit strings corresponding to two identical
"nan" strings not compare equal? Because some parts of the result
are uninitialized and thus depend on the state of the stack.
For more details, see http://bugs.gnu.org/9612.
* src/sort.c (nan_compare): New function.
(general_numcompare): Use it rather than bare memcmp.
Reported by Aaron Denney in http://bugs.debian.org/642557.
* NEWS (Bug fixes): Mention it.
* tests/misc/sort-NaN-infloop: New file.
* tests/Makefile.am (TESTS): Add it.
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* tests/init.cfg: (very_expensive_): Mention toplevel make target,
check-very-expensive.
(expensive_): Likewise for check-expensive.
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* tests/init.sh (compare): If "diff -c" is supported but "diff -u" is
not, use "diff -c". Useful on AIX 6.1, HP-UX 11.31, OSF/1 5.1,
Solaris 8.
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* tests/cp/cp-parents: If somehow a chmod set-up command failed,
subsequent tests would fail in a harder-to-diagnose manner.
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* src/md5sum.c (split_3): Detect and handle BSD reversed
format checksums.
* tests/misc/md5sum-bsd: Add a new test.
* tests/Makefile.am: Reference new test.
* NEWS: Mention the improvement
Suggested by Rimas Kudelis.
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* tests/d_type-check: Fix typo in comment.
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* tests/init.cfg (require_mkfs_PATH_): New function to test whether mkfs
is in PATH, otherwise adding /sbin to PATH. Needed for distributions
(OpenSuSE, Solaris) in which sudo does not include /sbin in PATH.
* tests/cp/cp-a-selinux: Use require_mkfs_PATH_.
* tests/cp/cp-mv-enotsup-xattr: Likewise.
* tests/cp/sparse-fiemap: Likewise.
* tests/mkdir/writable-under-readonly: Likewise.
* tests/rm/read-only: Likewise.
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* tests/init.sh: Relax check for diff -u support.
Rather than checking for GNU diff via --version, simply check
for support for -u itself. Useful at least on OpenBSD 4.9.
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* tests/require-perl: Remove file.
* tests/Makefile.am (EXTRA_DIST): Remove it from this list.
* tests/init.cfg (require_perl_): New function.
* tests/misc/pwd-long: Use the new function, not the file.
* tests/ls/nameless-uid: Likewise.
* tests/misc/sum-sysv: Likewise.
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* tests/misc/cut: Repeat each test using a multibyte locale,
if the configure-time test found such a locale.
Adjust the tests so that they also accept a slightly
different diagnostic that is specific to the MB-patched cut.
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* tests/split/l-chunk: Don't use the `test "$var"`
idiom to test that var is set to something as
that's not supported by all shells.
The new style matches the usage is the rest of
the test in any case.
Reported by Bruno Haible on AIX 6.1 and 7.1
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Without this change, we'd get use-of-uninit value warnings
and harder-to-diagnose failure down the road.
* tests/misc/pwd-long (normalize_to_cwd_relative): Diagnose stat
failure. This failed on AIX 6.1 and 7.1. Reported by Bruno Haible.
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* tests/misc/printf-surprise: Also accept a strerror-style string
after the usual 'printf: write error:' diagnostic prefix.
Otherwise, this test would fail on HP-UX 11.
Reported by Bruno Haible.
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* tests/init.cfg (require_membership_in_two_groups_): Add quotes
around the suggested groups for the COREUTILS_GROUPS variable.
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* tests/misc/printf: Avoid false positive failure on MacOS X 10.5
due to a slightly differing diagnostic. Reported by Bruno Haible.
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* tests/misc/printf: This results in more concise diagnostics.
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Thanks to an improvement in gnulib's parse-datetime module,
commands like this now succeed (output manually indented):
$ ./date -u -d 2004-02-29T16:21:42.33+07:00 +%FT%T.%N%z
2004-02-29T09:21:42.330000000+0000
* tests/misc/date: Add a test to exercise the new-in-gnulib
parsing of ISO8601-with-"T" dates.
* NEWS (New features): Mention it.
* gnulib: Update, to pull in this parse-datetime improvement.
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Lesson: do not include details like "4 million" in a file name.
* tests/rm/many-dir-entries-vs-OOM: Renamed from ...
* tests/rm/4-million-entry-dir: ...this.
* tests/Makefile.am (TESTS): Reflect renaming.
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* tests/rm/4-million-entry-dir: Create only 200,000 files, rather
than 4 million. The latter was overkill, and was too likely to
fail due to inode exhaustion. Not everyone is using btrfs yet.
Now that this test doesn't take so long, label it as merely
"expensive", rather than "very expensive". Thanks to
Bernhard Voelker for pointing out the risk of inode exhaustion.
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Ever since the LAST_PAGE functionality was added
in commit ed0923a1, 1996-12-05,
"Apply big patch (patch-20) from Roland Huebner"
it was ignored when -t or -T were specified or
when -l <= 10.
* src/pr.c (print_page): Increment the current page here.
(print_header): Don't increment the current page here.
* tests/pr/pr-tests: Add a test case.
* NEWS: Mention the fix
Reported at http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9347
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For details, see the gnulib commit,
http://git.sv.gnu.org/cgit/gnulib.git/commit/?id=47cb657e
* tests/rm/4-million-entry-dir: New test.
* tests/Makefile.am (TESTS): Add it.
* NEWS (Bug fixes): Mention it.
* gnulib: Update to latest to get the required fts fixes.
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* tests/du/inaccessible-cwd: Skip this test on systems like HP-UX 11.31
that lack both the *at functions and the /proc/self/fd-based support
we might have used to emulate them. Reported by Bruno Haible in
http://debbugs.gnu.org/8846
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* src/join (g_names): New global (was main's "names").
(main): Update all uses of "names".
(line_no[2]): New globals.
(get_line): Increment after reading each line.
(check_order): Print the standard "file name:line_no: " prefix
as well as the offending line when reporting disorder.
Here is a sample old/new comparison:
-join: file 1 is not in sorted order
+join: in:4: is not sorted: contents-of-line-4
* tests/misc/join: Change the two affected tests to expect
the new diagnostic.
Add new tests for more coverage: mismatch in file 2,
two diagnostics, zero-length out-of-order line.
* NEWS (Improvements): Mention it.
Suggested by David Gast in http://debbugs.gnu.org/9236
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* tests/init.cfg: Add copyright. Suggested by Stefano Lattarini.
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These changes were mostly mechanical, made by running the
following command:
git grep -lw framework_failure | grep -v ChangeLog \
| xargs perl -pi -e 's/\b(framework_failure)\b/${1}_/'
and then editing init.cfg and `tests/cp/cp-a-selinux' by hand.
* tests/init.cfg (framework_failure): Remove, `framework_failure_'
from init.sh should be used instead in the tests.
Remove now-obsolete "FIXME" comment.
(is_local_dir_, require_strace_, require_membership_in_two_groups_,
require_sparse_support_, skip_if_mcstransd_is_running_,
mkfifo_or_skip_) Use `framework_failure_', not `framework_failure'.
* Many test scripts: Likewise.
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* tests/init.cfg (framework_failure, getlimits_): Use 'fatal_'
instead of 'error_'.
(error_): Delete, it's not used anymore (and one is anyway
advised to use 'fatal_' instead).
Update heading comments.
* tests/shell-or-perl (error_): Renamed ...
(fatal_): ... to this, for consistency. Also, add a useful
comment.
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* src/copy.c (create_hard_link): A new function refactored
from existing code.
(copy_internal): Call the new function from all 3 locations
that create hard links.
* tests/cp/same-file: Amend to match the adjusted diagnostic.
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* tests/cp/preserve-link: Add test cases for when a missing
link in the destination tree is encountered first and second.
Also add cases for old and new separate files in the destination
tree, both to make the clobbering behavior explicit, and to
test any changes in this area in future.
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* src/copy.c (copy_internal): Adjust formatting style to conform with
guidelines in HACKING: put braces around two one-line "else" blocks.
* tests/cp/existing-perm-dir: Use $(...), not `...`, and
stat rather than ls+cut to get the mode string.
mode=$(stat --p=%A dst/dir)
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* src/copy.c (copy_internal): If we don't create the directory,
then we cannot have omitted permissions. Problem and trivial
fix reported by Eric Lammerts.
* tests/Makefile.am (TESTS): Add cp/existing-perm-dir.
* tests/cp/existing-perm-dir: New file.
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* src/copy.c (copy_internal): With --update (-u), this function would
return early once it found that the destination is not older than the
source, *without* recording the source-dev/ino--to--dest_name mapping.
That mapping is required in order to preserve src hard links in the
destination tree, so when using cp with --update and --preserve=links
(perhaps via -p or -a), cp could fail to preserve one hard link
per inode when at least one of the hard-linked names already exists
in the destination tree.
Reported by Odd Harry Mannsverk in http://debbugs.gnu.org/8419.
* tests/cp/preserve-link: New file. Exercise the flaw/fix.
* tests/Makefile.am (TESTS): Add it.
* NEWS (Bug fixes): Mention it.
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* src/timeout.c (settimeout): A new function to convert
from a floating point duration and call alarm() or
timer_settime() if that's available.
(parse_duration): Return a double rather than unsigned int.
(usage): Mention floating point is supported.
(main): Pass the double to settimeout() rather than
calling alarm() directly with the parsed int.
(cleanup): Likewise.
* doc/coreutils.texi (timeout invocation): Say floating point timeouts
now supported, and mention the caveat with resolution.
* bootstrap.conf: Include the timer-time gnulib module.
* tests/misc/timeout-parameters: Add a test with nanoseconds.
* NEWS: Mention the improvement.
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The following dropped the space from the first field
printf "1234567 \t1\n" | unexpand -a
Note POSIX says that spaces should not precede tabs.
Also a single trailing space should not be converted
if the next field starts with non blank characters.
So we enforce those rules too, with this change.
* src/unexpand.c (unexpand): Implement as per POSIX rules.
* tests/misc/unexpand: Add tests, and adjust existing
tests as per POSIX rules.
* NEWS: Mention the fix.
Reported by Hallvard B Furuseth
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* tests/misc/timeout: Check that 'timeout' is not confused when
starting off with a child.
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Treat fractions as a request to round up to the next representable
value, and treat out-of-range values as maximal ones. This is
consistent with how "sleep" works. And this way, "timeout
999999999999999999d FOO" and "timeout 4.5 foo" are more likely to
do what the user wants.
* src/timeout.c: Include c-strtod.h and xstrtod.h, not xstrtol.h.
(apply_time_suffix): Change it to the way sleep.c's time_suffix
does things. Maybe this function (identical in both programs,
other than its name) should be moved to a library?
(parse_duration): Return a maximal value on overflow. Return
unsigned int, not unsigned long. Allow fractions, which round
up to the next integer value.
* tests/misc/timeout-parameters: Adjust tests to match new behavior.
Add a very large number.
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* src/timeout.c (cleanup): Send signals directly to the child
in case it has started its own process group (like a cascaded
timeout command would for example).
* test/misc/timeout-group: Add a test case.
* NEWS: Mention the fix.
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Or more accurately, commands not started from the shell prompt,
that are interactive, or need to receive Ctrl-C etc. from the terminal.
* doc/coreutils.texi (timeout invocation): Document --foreground.
* src/timeout.c (main): Set the foreground flag and don't create
a separate group.
(cleanup): Only send a signal directly to the monitored command
when the foreground flag is set.
(usage): Describe --foreground.
* tests/misc/timeout-group: Add a new test.
* tests/Makefile.am: Reference new test.
NEWS: Mention the new option.
Reported by Shay Shimony
Analysis by Alan Curry
Fix suggested by Paul Eggert
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* tests/misc/md5sum: Exercise new --strict option.
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* tests/ls/stat-free-color: The system may perform additional stat
calls upon loading (seen on OpenSuSE-11.4). Count only the number
of stat calls compared to --help.
This also reduces back to "1" the number of expected calls,
effectively reverting part of 2011-06-01 commit, ccf2d9a4.
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* tests/cp/sparse-fiemap: Use "head -n99" in place of "head -99".
The latter is officially obsolete.
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* tests/init.sh (warn_): Use "sed 1q" in place of "head -1".
The latter is officially obsolete but more portable than "head -n1".
Reported by Bernhard Voelker.
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* tests/init.sh (w2_): Remove, moving contents into...
(warn_): ...here. Call self from subshell when IFS must be changed.
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* tests/shell-or-perl: Prefer the `read' builtin over `grep' to
look at the shebang line of test scripts. Since `read' is a
special builtin, it might abort the whole program upon failures,
so add extra sanity checks, verifying that the test script exists
and is readable, before trying to read from it.
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This change implements a more correct and idiomatic use of the
features of the Automake-provided 'parallel-tests' harness.
Moreover, this change is required in order for the testsuite to
continue to work with the new testsuite harness that is planned
to be introduced in Automake 1.12 (which, as of the writing date,
is still under development and in alpha state).
* tests/shell-or-perl: New auxiliary script.
* tests/Makefile.am (EXTRA_DIST): Distribute it.
* tests/check.mk (TESTS_ENVIRONMENT): Remove definition of the
`shell_or_perl_' shell function, whose code has been moved in
the new script above (with a few improvements and extensions).
Do not use it to run the test scripts.
(LOG_COMPILER): New, properly invoking `shell-or-perl'.
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* tests/misc/sort-spinlock-abuse: Fix typo:
s/"very expensive" are/"very expensive" tests are/
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Ensure that English diagnostics are emitted even when using
French sorting rules.
* tests/misc/sort-debug-keys: Unset LC_ALL and set LC_COLLATE,
LC_CTYPE and LC_NUMERIC to the fr_FR.UTF-8 locale, while setting
LC_MESSAGES=C. Reported by Stefano Lattarini.
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* tests/misc/sort-spinlock-abuse: Classify as "very expensive" to
avoid unwarranted failure once and for all.
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* tests/init.cfg (skip_test_): Remove function.
Use skip_ in place of skip_test_ everywhere else.
* cfg.mk (sc_prohibit_skip_): Remove rule.
* tests/**: Use skip_, not skip_test_, everywhere.
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* tests/init.sh (warn_): When $stderr_fileno_ != 2,
emit the diagnostic to both the tty and the log file.
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* tests/init.sh (warn_): Use printf, not echo. The latter would
misbehave when given strings containing a backslash or starting
with e.g., -n. James Youngman suggested setting IFS.
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