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3 months agodu: promptly diagnose write errors
Pádraig Brady [Fri, 9 Jan 2026 14:20:56 +0000 (14:20 +0000)] 
du: promptly diagnose write errors

* src/du.c (print_size): Call write_error() if can't flush.
* tests/misc/write-errors.sh: Add a test case.
* NEWS: Mention the improvement.

3 months agowc: promptly diagnose write errors
Pádraig Brady [Fri, 9 Jan 2026 14:16:04 +0000 (14:16 +0000)] 
wc: promptly diagnose write errors

* src/wc.c (write_counts): Call write_error() if any pending errors.
* tests/misc/write-errors.sh: Add a test case.
* NEWS: Mention the improvement.

3 months agoreadlink,realpath: promptly diagnose write errors
Collin Funk [Fri, 9 Jan 2026 06:52:33 +0000 (22:52 -0800)] 
readlink,realpath: promptly diagnose write errors

The 'readlink' and 'realpath' programs have an uncommon case where they
can run for a very long time. When canonicalizing file names longer than
PATH_MAX, we have to call 'openat' for each directory up the tree until
we reach root which takes a long time. Here is an example of the current
behavior:

    $ mkdir -p $(yes a/ | head -n $((32 * 1024)) | tr -d '\n')
    $ while cd $(yes a/ | head -n 1024 | tr -d '\n'); do :; \
        done 2>/dev/null
    $ pwd | tr '/' '\n' | wc -l
    32771
    $ env time --format=%E readlink -f $(yes . | head -n 5) > /dev/full
    readlink: write error: No space left on device
    Command exited with non-zero status 1
    0:59.72
    $ env time --format=%E realpath $(yes . | head -n 5) > /dev/full
    realpath: write error: No space left on device
    Command exited with non-zero status 1
    1:00.32

It is better to exit as soon as there is an error writing to standard
output:

    $ env time --format=%E readlink -f $(yes . | head -n 5) > /dev/full
    readlink: write error: No space left on device
    Command exited with non-zero status 1
    0:11.88
    $ env time --format=%E realpath $(yes . | head -n 5) > /dev/full
    realpath: write error: No space left on device
    Command exited with non-zero status 1
    0:12.04

* src/readlink.c (main): Check if standard output has it's error flag
set after printing a file name.
* src/realpath.c (process_path): Likewise.
* NEWS: Mention the improvement.

3 months agocksum: validate options more consistently
Pádraig Brady [Thu, 8 Jan 2026 14:07:32 +0000 (14:07 +0000)] 
cksum: validate options more consistently

We disallow `cksum --tag --check` which is fine,
but the error should be consistent with md5sum,
and less confusing, as it currently mentions
"--binary" and "--text" which weren't specified.

We disallow `cksum --tag --text` which is fine,
but we should also disallow `cksum --text --tag`.

We should honor an explicit --binary (output *)
with this combination of options:
cksum --binary --tag --untagged -a md5 /dev/null

Note this also makes both of `cksum -a md5` and
`cksum --tag -a md5` consistently use binary mode
when reading from a tty on systems like MinGW
where O_BINARY is set.

* src/cksum.c (main): Adjust --text,--binary
and --tag,--untagged option processing.
* tests/cksum/cksum-a.sh: Add test cases.
* tests/cksum/cksum-c.sh: Likewise.
* NEWS: Mention the improvement.
Fixes https://github.com/coreutils/coreutils/issues/163

3 months agotests: chmod: fix false failure in recent test
Pádraig Brady [Wed, 7 Jan 2026 22:50:07 +0000 (22:50 +0000)] 
tests: chmod: fix false failure in recent test

* tests/chmod/partial-fail.sh: Test readablility of mode 0 files
independently, to avoid false failure, e.g., when run as root.
Reported by Bruno Haible.

3 months agotests: tail/overlay-headers.sh: fix various issues
Pádraig Brady [Wed, 7 Jan 2026 20:29:54 +0000 (20:29 +0000)] 
tests: tail/overlay-headers.sh: fix various issues

* tests/tail/overlay-headers.sh (cleanup_): Ensure we send SIGCONT
to the tail process, otherwise we would hang if the test is terminated
while the tail process is in stopped state.
(wait4stopped_): A new function to ensure tail is in the stopped state
before we start writing to the monitored files.
Also remove "---disable-inotify" from $fastpoll so we actually
test the inotify code (where supported).
Also remove the timeout(1) wrapper, so we actually suspend tail(1).

Reported by Bruno Haible on macOS 26

3 months agofmt: interpret -w as an inclusive maximum
Pádraig Brady [Wed, 7 Jan 2026 17:15:28 +0000 (17:15 +0000)] 
fmt: interpret -w as an inclusive maximum

This aligns with `fold -w` and BSD `fmt` implementations.

* src/fmt.c (fmt_paragraph): Check len <= max_width.
* tests/fmt/width.sh: Add a new test.
* tests/local.mk: Reference the new test.
* NEWS: Mention the change in behavior.
Addresses part of https://bugs.gnu.org/79497

3 months agotests: date: test parenthesis comment handling
Sylvestre Ledru [Wed, 7 Jan 2026 22:51:06 +0000 (23:51 +0100)] 
tests: date: test parenthesis comment handling

* tests/date/date.pl: Add the check.

3 months agomaint: organize mktemp tests in a subdirectory
Collin Funk [Wed, 7 Jan 2026 02:47:21 +0000 (18:47 -0800)] 
maint: organize mktemp tests in a subdirectory

* tests/misc/mktemp.pl: Moved to tests/mktemp/mktemp.pl.
* tests/local.mk (all_tests): Adjust the file name.

3 months agotests: mktemp: add tests for invalid Unicode options
Collin Funk [Mon, 5 Jan 2026 00:51:09 +0000 (16:51 -0800)] 
tests: mktemp: add tests for invalid Unicode options

* init.cfg (bad_unicode): New function, copied from
tests/fold/fold-characters.sh with the NUL removed.
* tests/fold/fold-characters.sh (bad_unicode): Rename to
bad_unicode_with_nul. Reformat long line.
* tests/mktemp/bad-unicode.sh: New test.
* tests/local.mk (all_tests): Add the new test.

3 months agocopy: protect against infinite loop due to pathological race
Pádraig Brady [Mon, 5 Jan 2026 14:46:33 +0000 (14:46 +0000)] 
copy: protect against infinite loop due to pathological race

Consider:

1. In infer_scantype():
    - SEEK_DATA returns 0
      - hole punched at 0
    - SEEK_HOLE returns 0 (now a hole)
    - Cache scan_inference->hole_start = 0
2. In lseek_copy():
      - data written at 0
    - ext_start = 0, use cached hole_start = 0
    - ext_len = 0
    - now loop doesn't progress

* src/copy-file-data.c (lseek_copy): Apply a more defensive check
to ensure we only use the cached offsets in SCAN_INFERENCE once.
This protects against an infinite loop where an extent (at SRC_POS)
flip flops between data and hole extent while infer_scantype()
and lseek_copy() are inspecting it.  I.e. ensure we use SEEK_HOLE
to progress the copy.

3 months agotests: cp: fix always skipped nfs-removal-race.sh
Pádraig Brady [Tue, 6 Jan 2026 20:29:45 +0000 (20:29 +0000)] 
tests: cp: fix always skipped nfs-removal-race.sh

* tests/cp/nfs-removal-race.sh: This test was invalid since v8.32
as we now use fstatat() rather than stat().  Also since commit
v9.0-66-ge2daa8f79 we leverage the errno from open(O_DIRECTORY)
to avoid a stat, so pass --no-target-directory to ensure fstatat()
is called.
Discussed in https://github.com/coreutils/coreutils/pull/161

3 months agotests: cp: support glibc 2.33+ in nfs-removal-race test
Christopher Illarionova [Tue, 6 Jan 2026 04:07:49 +0000 (04:07 +0000)] 
tests: cp: support glibc 2.33+ in nfs-removal-race test

glibc 2.33 removed __xstat, making stat() a direct symbol. This test
previously only intercepted __xstat, causing it to skip on modern glibc
with 'LD_PRELOAD was ineffective'.

Changes:
- Intercept both __xstat (glibc < 2.33) and stat (glibc >= 2.33)
- Only mark 'preloaded' when stat is called on destination 'd',
  ensuring the test verifies cp actually stats the destination

3 months agodoc: tr: warn about shell quoting [:classes:]
Pádraig Brady [Tue, 6 Jan 2026 17:24:39 +0000 (17:24 +0000)] 
doc: tr: warn about shell quoting [:classes:]

* src/tr.c (usage): Warn about avoiding shell globbing.
* doc/coreutils.texi (character arrays): Likewise.
Suggested by Daniel Dallos.

3 months agoptx: implement -t to change default width to 100
Pádraig Brady [Mon, 5 Jan 2026 21:56:38 +0000 (21:56 +0000)] 
ptx: implement -t to change default width to 100

Align the -t implementation with the Heirloom project.

* src/ptx.c (usage): Describe -t, and also mention
the default width is 72 when not used.
* doc/coreutils.texi (ptx invocation): Likewise.
(main): Override the default width if -t is specified.
* tests/ptx/ptx.pl: Add test cases.
* NEWS: Mention the change in behavior.

3 months agotests: stty: add require_controlling_input_terminal_ to bad-speed test
Christopher Illarionova [Mon, 5 Jan 2026 16:54:00 +0000 (16:54 +0000)] 
tests: stty: add require_controlling_input_terminal_ to bad-speed test

The bad-speed test runs 'stty ispeed 9600' without a --file argument,
which requires a controlling terminal. Without it, stty fails early with
'Inappropriate ioctl for device' before reaching cfsetispeed, causing
the test to skip with a misleading 'LD_PRELOAD interception failed'
message.

* tests/stty/bad-speed.sh: Add require_controlling_input_terminal_
to match the other stty tests (stty.sh, stty-pairs.sh, stty-row-col.sh,
stty-invalid.sh) which all require a controlling terminal.
From https://github.com/coreutils/coreutils/pull/160

3 months agomaint: mknod: reduce variable scope
Collin Funk [Sun, 4 Jan 2026 21:47:01 +0000 (13:47 -0800)] 
maint: mknod: reduce variable scope

* src/mknod.c (main): Declare variables where they are used instead of
at the start of a block. Prefer signed integers to unsigned integers.

3 months agomaint: mkfifo: reduce variable scope
Collin Funk [Sun, 4 Jan 2026 21:46:41 +0000 (13:46 -0800)] 
maint: mkfifo: reduce variable scope

* src/mkfifo.c (main): Declare variables where they are used instead of
at the start of a block.

3 months agocopy: fix possible infinite loop with SEEK_HOLE
Pádraig Brady [Sun, 4 Jan 2026 12:45:46 +0000 (12:45 +0000)] 
copy: fix possible infinite loop with SEEK_HOLE

Commit v9.8-95-g4c0cf3864 intended to initialize
ext_start to src_pos, as was described at:
https://lists.gnu.org/r/coreutils/2025-11/msg00035.html
However ipos was inadvertently used, which is only
valid the first time through the loop.

* src/copy-file-data.c (lseek_copy): Use scan_inference->hole_start
only with the initial offset passed to lseek_copy().
* NEWS: Mention the bug fix.
Reported at https://github.com/coreutils/coreutils/issues/159

3 months agotests: chmod: ensure failure upon partial success
Pádraig Brady [Sat, 3 Jan 2026 14:45:07 +0000 (14:45 +0000)] 
tests: chmod: ensure failure upon partial success

* tests/chmod/partial-fail.sh: Add new test.
* tests/local.mk: Reference new test.
Discussed at https://github.com/uutils/coreutils/issues/9790

3 months agotests: split: ensure directories not replaced
oech3 [Thu, 1 Jan 2026 16:03:41 +0000 (01:03 +0900)] 
tests: split: ensure directories not replaced

* tests/split/split-io-err.sh: Add a test case.
From https://github.com/coreutils/coreutils/pull/158

3 months agodoc: NEWS: mention du performance improvement on the Lustre file system
Collin Funk [Sat, 3 Jan 2026 03:29:11 +0000 (19:29 -0800)] 
doc: NEWS: mention du performance improvement on the Lustre file system

Reported by Tim Day <timday@amazon.com> in
<https://bugs.gnu.org/80106>.

* NEWS: Mention the improvement after gnulib commit 578b8d7dc5.

3 months agobuild: update gnulib submodule to latest
Collin Funk [Fri, 2 Jan 2026 04:43:17 +0000 (20:43 -0800)] 
build: update gnulib submodule to latest

* bootstrap: Update using './bootstrap --bootstrap-sync'.
* tests/sample-test: Adjust to use the single most recent year.

3 months agomaint: prefer c_isblank to an equivalent macro
Collin Funk [Fri, 2 Jan 2026 01:18:13 +0000 (17:18 -0800)] 
maint: prefer c_isblank to an equivalent macro

* src/cksum.c (ISWHITE): Remove macro.
(bsd_split_3, algorithm_from_tag, split_3): Use c_isblank instead of
ISWHITE.

3 months agotests: df: don't depend on bash
Collin Funk [Thu, 1 Jan 2026 19:15:31 +0000 (11:15 -0800)] 
tests: df: don't depend on bash

* tests/df/no-mtab-status-masked-proc.sh: Invoke $SHELL instead of
'bash'.

3 months agomaint: run 'make update-copyright'
Collin Funk [Thu, 1 Jan 2026 18:56:16 +0000 (10:56 -0800)] 
maint: run 'make update-copyright'

3 months agotests: mv: check broken symlink cross-filesystem move
Sylvestre Ledru [Thu, 1 Jan 2026 12:20:52 +0000 (13:20 +0100)] 
tests: mv: check broken symlink cross-filesystem move

Identified here:
<https://github.com/uutils/coreutils/issues/8586>

* tests/mv/mv-special-2.sh: Add the check.

3 months agotests: df: hide /proc without using LD_PRELOAD
oech3 [Tue, 30 Dec 2025 12:03:11 +0000 (21:03 +0900)] 
tests: df: hide /proc without using LD_PRELOAD

* tests/df/no-mtab-status-masked-proc.sh: A new test similar
to no-mtab-status.sh but should work with static builds.
* tests/local.mk: Reference the new test.
https://github.com/coreutils/coreutils/pull/156

3 months agotests: add LD_PRELOAD free alternative for nproc-quota.sh
oech3 [Tue, 30 Dec 2025 06:53:31 +0000 (15:53 +0900)] 
tests: add LD_PRELOAD free alternative for nproc-quota.sh

* tests/nproc/nproc-quota-systemd.sh: Add a new root test.
* tests/local.mk: Reference the new test.

3 months agotests: extend csplit-io-err.sh for directory
oech3 [Thu, 1 Jan 2026 04:45:30 +0000 (13:45 +0900)] 
tests: extend csplit-io-err.sh for directory

* tests/csplit/csplit-io-err.sh: Add a test case
to ensure a directory is _not_ replaced.

3 months agotests: du: check -l (--count-links) without -a flag
Sylvestre Ledru [Tue, 30 Dec 2025 23:14:59 +0000 (00:14 +0100)] 
tests: du: check -l (--count-links) without -a flag

Identified here:
<https://github.com/uutils/coreutils/issues/9871>

* tests/du/hard-link.sh: Add the check.

3 months agotests: env: check that real-time signals can be ignored
Collin Funk [Mon, 29 Dec 2025 03:48:29 +0000 (19:48 -0800)] 
tests: env: check that real-time signals can be ignored

* tests/env/env-signal-handler.sh: Test that --ignore-signal with no
options also ignores real-time signals. Test that real-time signals can
be ignored by explicitly listing them.

3 months agotests: kill: check that real-time signals are listed
Collin Funk [Sun, 28 Dec 2025 05:48:42 +0000 (21:48 -0800)] 
tests: kill: check that real-time signals are listed

* tests/misc/kill.sh: Call getlimits_. Check for RTMIN and RTMAX in the
output of 'kill -l' if the system defines SIGRTMIN and SIGRTMAX.

3 months agogetlimits: print SIGRTMIN and SIGRTMAX
Collin Funk [Sat, 27 Dec 2025 01:52:58 +0000 (17:52 -0800)] 
getlimits: print SIGRTMIN and SIGRTMAX

* src/getlimits.c (SIGRTMIN): Define to zero if signal.h does not define
this constant.
(SIGRTMAX): Define to SIGRTMIN - 1 if signal.h does not define this
constant.
(main): Print SIGRTMIN and SIGRTMAX.

3 months agomaint: commit-msg: add 'getlimits' as a supported tag
Collin Funk [Sat, 27 Dec 2025 01:49:39 +0000 (17:49 -0800)] 
maint: commit-msg: add 'getlimits' as a supported tag

* scripts/git-hooks/commit-msg (@valid): Add getlimits.

3 months agotests: split: verify operation in the presence of I/O errors
oech3 [Sat, 27 Dec 2025 13:57:30 +0000 (22:57 +0900)] 
tests: split: verify operation in the presence of I/O errors

* tests/split/split-io-err.sh: A new test to verify that with I/O
errors, we leave existing files but don't continue.
* tests/local.mk: Reference the new test.

3 months agotests: check I/O error handling with /dev/full and closed pipes
Pádraig Brady [Sat, 27 Dec 2025 16:28:55 +0000 (16:28 +0000)] 
tests: check I/O error handling with /dev/full and closed pipes

* tests/misc/io-errors.sh: Verify that all commands diagnose write
errors, and handle a closed pipe appropriately.
* tests/local.mk: Reference the new test.

3 months agosort: fix SIGPIPE handling
Pádraig Brady [Sat, 27 Dec 2025 15:48:42 +0000 (15:48 +0000)] 
sort: fix SIGPIPE handling

* src/sort.c (main): Don't override handler for SIGPIPE
(which we did since commit v9.9-34-ge63131b32),
since we've explicit handling for SIGPIPE.
Also move ignoring of SIGPIPE until after
--help and --version are processed.

3 months agotests: consolidate csplit-io-err tests
oech3 [Sat, 27 Dec 2025 12:45:31 +0000 (12:45 +0000)] 
tests: consolidate csplit-io-err tests

* tests/csplit/csplit-io-err.sh: Replace this LD_PRELOAD test with...
* tests/csplit/csplit-io-err-2.sh: This more general test,
that leverages /dev/full.
* tests/local.mk: Remove tests/csplit/csplit-io-err-2.sh.

3 months agotests: csplit: check writing to /dev/full
oech3 [Fri, 26 Dec 2025 12:24:00 +0000 (21:24 +0900)] 
tests: csplit: check writing to /dev/full

* tests/csplit/csplit-io-err-2.sh: Add a new test.
* tests/local.mk: Reference new test.

3 months agodd: don't continue copying when ftruncate fails using seek= and of=
Collin Funk [Wed, 24 Dec 2025 05:45:37 +0000 (21:45 -0800)] 
dd: don't continue copying when ftruncate fails using seek= and of=

* src/dd.c (main): Reduce the scope of exit_status. Exit immediately if
ftruncate fails.
* tests/dd/fail-ftruncate-fstat.sh: New test.
* tests/local.mk (all_tests): Add the new test.
* NEWS: Mention the bug fix.

3 months agodoc: document the date(1) bug with empty format directives
Pádraig Brady [Thu, 25 Dec 2025 14:30:01 +0000 (14:30 +0000)] 
doc: document the date(1) bug with empty format directives

* NEWS: Mention the bug fix.

3 months agobuild: update gnulib to latest
Pádraig Brady [Thu, 25 Dec 2025 14:25:58 +0000 (14:25 +0000)] 
build: update gnulib to latest

3 months agotests: date: improve locale tests
Collin Funk [Wed, 24 Dec 2025 04:03:49 +0000 (20:03 -0800)] 
tests: date: improve locale tests

* tests/date/date-locale-hour.sh: Test that the default format of 10
random supported locales is the same as 'locale date_fmt'.

3 months agotests: avoid false failure due to ulimit on aarch64
Pádraig Brady [Mon, 22 Dec 2025 17:12:48 +0000 (17:12 +0000)] 
tests: avoid false failure due to ulimit on aarch64

* tests/cut/cut-huge-range.sh: Add an extra 1MiB headroom,
which was seen with aarch64.
Reported at https://bugzilla.redhat.com/2424302

3 months agomaint: tests/cut/cut-huge-range.sh: remove stale comment
Pádraig Brady [Mon, 22 Dec 2025 15:24:07 +0000 (15:24 +0000)] 
maint: tests/cut/cut-huge-range.sh: remove stale comment

* tests/cut/cut-huge-range.sh: expr supports bignums,
so remove stale comment relating to previous non expr adjustment.

3 months agonumfmt: fix dropped custom suffix when failing to parse
Pádraig Brady [Mon, 22 Dec 2025 13:14:57 +0000 (13:14 +0000)] 
numfmt: fix dropped custom suffix when failing to parse

* src/numfmt.c (process_suffixed_number): Restore custom suffix
upon failure to parse number.
* tests/numfmt/numfmt.pl: Add test cases.
* NEWS: Mention the bug fix.
Fixes https://bugs.debian.org/1094581

3 months agomaint: prefer enums over macros for sources used for multiple programs
Collin Funk [Sun, 21 Dec 2025 01:24:17 +0000 (17:24 -0800)] 
maint: prefer enums over macros for sources used for multiple programs

* src/chown.h (enum chown_modes): New type.
(CHOWN_CHOWN, CHOWN_CHGRP): Define as an enum instead of a macro.
* src/chown-chgrp.c (chown_mode): Use "enum chown_modes" instead of
"int".
* src/chown-chown.c (chown_mode): Likewise.
* src/ls.h (enum ls_modes): New type.
(LS_LS, LS_MULTI_COL, LS_LONG_FORMAT): Define as an enum instead of a
macro.
* src/ls-dir.c (ls_mode): Use "enum ls_modes" instead of "int".
* src/ls-ls.c (ls_mode): Likewise.
* src/ls-vdir.c (ls_mode): Likewise.
* src/uname.h (enum uname_modes): New type.
(UNAME_UNAME, UNAME_ARCH): Define as an enum instead of a macro.
* src/uname-arch.c (uname_mode): Use "enum uname_modes" instead of
"int".
* src/uname-uname.c (uname_mode): Likewise.

3 months agodoc: prefer UTF-8 characters in texinfo sources
Collin Funk [Sat, 20 Dec 2025 04:38:01 +0000 (20:38 -0800)] 
doc: prefer UTF-8 characters in texinfo sources

* doc/coreutils.texi (Introduction): Use ç instead of @,{c}.
(Character arrays): Use ö instead of @"o. Use Ł instead of @L{}.
(Formatting file timestamps): Use ä instead of @"a.

3 months agodoc: ls: fix recent typo for -F option in texinfo
Pádraig Brady [Sat, 20 Dec 2025 17:26:59 +0000 (17:26 +0000)] 
doc: ls: fix recent typo for -F option in texinfo

* doc/coreutils.texi (ls invocation): Add a missing hyphen
that was inadvertently dropped in the recent adjustments.

3 months agotests: runcon: avoid false success
Pádraig Brady [Sat, 20 Dec 2025 13:16:11 +0000 (13:16 +0000)] 
tests: runcon: avoid false success

* tests/runcon/runcon-compute.sh: Ensure runcon runs,
since the main test is a negative one.

3 months agodoc: split,tac: document $TMPDIR usage
Pádraig Brady [Thu, 18 Dec 2025 23:54:52 +0000 (23:54 +0000)] 
doc: split,tac: document $TMPDIR usage

Following commit v9.3-92-g1b86b70dd
$TMPDIR is part of the interface and an important behavioral
characteristic of a command, which should be documented.

* doc/coreutils.texi (split invocation): Mention $TMPDIR is honored.
(tac invocation): Likewise.
* src/split.c (usage): Likewise.
* src/tac.c (usage): Likewise.

3 months agodoc: tee: prefer cksum in examples
Collin Funk [Wed, 17 Dec 2025 06:15:26 +0000 (22:15 -0800)] 
doc: tee: prefer cksum in examples

* doc/coreutils.texi (tee invocation): Use 'cksum' with '-a sha2' and
'-a sha3' instead of md5sum and sha1sum in examples.

3 months agotests: mv: check moving named sockets is supported
Pádraig Brady [Tue, 16 Dec 2025 11:33:38 +0000 (11:33 +0000)] 
tests: mv: check moving named sockets is supported

* tests/mv/mv-special-2.sh: Use python to create a named socket,
and ensure it's copied across file systems.

3 months agotests: date: add another locale test case
Collin Funk [Sun, 14 Dec 2025 20:37:41 +0000 (12:37 -0800)] 
tests: date: add another locale test case

On a GNU/Linux system, we have the following:

    $ LC_ALL=en_US.UTF-8 date -u -d 1:00
    Sun Dec 14 01:00:00 AM UTC 2025
    $ LC_ALL=en_US.UTF-8 locale date_fmt
    %a %b %e %r %Z %Y
    $ LC_ALL=en_US.UTF-8 locale t_fmt_ampm
    %I:%M:%S %p

    $ LC_ALL=nl_NL.UTF-8 date -u -d 1:00
    zo 14 dec 2025  1:00:00 UTC
    $ LC_ALL=nl_NL.UTF-8 locale date_fmt
    %a %e %b %Y %k:%M:%S %Z

We respect the locales preference for a leading zero or leading space in
single digit hours.

* tests/date/date-locale-hour.sh: Check that the locales preference for
leading zeros or spaces in single digit hours is used.

3 months agotests: mv: check traversed fifos copy correctly
Pádraig Brady [Mon, 15 Dec 2025 15:30:43 +0000 (15:30 +0000)] 
tests: mv: check traversed fifos copy correctly

* tests/mv/mv-special-1.sh: Add a case also for fifos
encountered when traversing.

3 months agotests: mv: add timeout protection when moving fifos
Pádraig Brady [Mon, 15 Dec 2025 13:51:05 +0000 (13:51 +0000)] 
tests: mv: add timeout protection when moving fifos

* tests/mv/mv-special-1.sh: Implementations could potentially hang
interacting with fifos, so wrap with timeout.

3 months agodoc: dd: document the behavior of conv flags on multibyte characters
Collin Funk [Sat, 13 Dec 2025 07:11:09 +0000 (23:11 -0800)] 
doc: dd: document the behavior of conv flags on multibyte characters

* doc/coreutils.texi (dd invocation): Document the behavior of 'dd' on
multibyte characters and some unspecified behavior that will be
documented in a future POSIX release [1].

[1] https://austingroupbugs.net/view.php?id=1959

3 months agotests: ls: use a larger file descriptor limit
Collin Funk [Sat, 13 Dec 2025 05:51:30 +0000 (21:51 -0800)] 
tests: ls: use a larger file descriptor limit

OpenBSD and Alpine Linux /bin/sh cannot handle a file descriptor limit
of 7.

* tests/ls/recursive.sh: Create 30 directories and use a file descriptor
limit of 20. Don't check the output since we have coverage for that
elsewhere.
Reported by Bruno Haible.

3 months agobuild: reduce size of multi-call binary by reusing cksum logic
Pádraig Brady [Sat, 6 Dec 2025 13:47:11 +0000 (13:47 +0000)] 
build: reduce size of multi-call binary by reusing cksum logic

Map md5sum and sha{1,224,256,385,512} to use cksum logic,
which selects appropriate behavior at runtime, rather than
separate binaries for each closely related utility.

$ size src/coreutils  # before
   text    data     bss     dec     hex filename
1349509    6812  619312 1975633  1e2551 src/coreutils
$ size src/coreutils  # after
   text    data     bss     dec     hex filename
1306933    6748  619152 1932833  1d7e21 src/coreutils

* build-aux/gen-single-binary.sh: Map sha*sum to use cksum.c
* src/cksum.c: Adjust to behave more like sha*sum,
when the algorithm to something other than "crc".
* src/cksum.h: Expose the cksum_algorithm global and enum.
* src/coreutils-md5sum.c: Set cksum_algorithm and call cksum logic.
* src/coreutils-sha1sum.c: Likewise.
* src/coreutils-sha224sum.c Likewise.
* src/coreutils-sha256sum.c Likewise.
* src/coreutils-sha384sum.c Likewise.
* src/coreutils-sha512sum.c Likewise.
* NEWS: Mention the improvement.

3 months agodoc: expand on shell-escape quoting style
Pádraig Brady [Fri, 12 Dec 2025 16:41:36 +0000 (16:41 +0000)] 
doc: expand on shell-escape quoting style

* doc/coreutils.texi (quotingStyles): Expand on the advantages
of "shell-escape" quoting, and mention it's the default when
outputting to a tty. Also mention how it's also useful with
LC_ALL=C to further disambiguate output.  Also reference the
separate page detailing various considerations and options
for file name quoting.  Also move the mention of the default
quoting style to the top of the page where it's more obvious.

3 months agotests: printf: add case for quoting single quotes
Pádraig Brady [Fri, 12 Dec 2025 14:15:58 +0000 (14:15 +0000)] 
tests: printf: add case for quoting single quotes

* tests/printf/printf-quote.sh: Add a test case for
https://bugs.debian.org/992161 which was fixed with
gnulib commit v0.1-7339-g07b31a9465

3 months agomaint: organize tee tests in a subdirectory
Collin Funk [Thu, 11 Dec 2025 04:08:01 +0000 (20:08 -0800)] 
maint: organize tee tests in a subdirectory

* tests/misc/tee.sh: Moved to tests/tee/tee.sh.
* tests/local.mk (all_tests): Adjust the file name.

3 months agotests: tee: add a test for --append
Collin Funk [Thu, 11 Dec 2025 04:05:58 +0000 (20:05 -0800)] 
tests: tee: add a test for --append

* tests/tee/append.sh: New file.
* tests/local.mk (all_tests): Add the test.

3 months agotests: fix recent portability issue with printf
Pádraig Brady [Thu, 11 Dec 2025 22:02:55 +0000 (22:02 +0000)] 
tests: fix recent portability issue with printf

* tests/sort/sort-locale.sh: Avoid non portable printf \u....
* cfg.mk (sc_env_printf): Add a new syntax check to flag future cases.

3 months agotests: env: ensure non-utf8 name or value is supported
Pádraig Brady [Thu, 11 Dec 2025 21:19:19 +0000 (21:19 +0000)] 
tests: env: ensure non-utf8 name or value is supported

* tests/env/env.sh: Add a test case ensuring non-utf8 characters
in the name or value are supported.

3 months agotests: mv: ensure ownership preserved when copying
Pádraig Brady [Thu, 11 Dec 2025 20:17:20 +0000 (20:17 +0000)] 
tests: mv: ensure ownership preserved when copying

* tests/mv/meta-to-xpart.sh: Add new test.
* tests/local.mk: Reference new test.

3 months agomaint: groups: reduce variable scope
Collin Funk [Wed, 10 Dec 2025 05:48:50 +0000 (21:48 -0800)] 
maint: groups: reduce variable scope

* src/groups.c (main): Declare variables where they are used instead of
at the start of the function. Convert a comment to GNU style.

3 months agomaint: printenv: reduce variable scope
Collin Funk [Wed, 10 Dec 2025 05:45:26 +0000 (21:45 -0800)] 
maint: printenv: reduce variable scope

* src/printenv.c (main): Declare variables where they are used instead
of at the start of the function. Constify some strings we do not modify.

3 months agomaint: rmdir: reduce variable scope
Collin Funk [Wed, 10 Dec 2025 05:43:11 +0000 (21:43 -0800)] 
maint: rmdir: reduce variable scope

* src/rmdir.c (remove_parents, main): Declare variables where they are
used instead of at the start of a block.

3 months agomaint: date: reduce variable scope
Collin Funk [Wed, 10 Dec 2025 05:37:50 +0000 (21:37 -0800)] 
maint: date: reduce variable scope

* src/date.c (batch_convert, main): Declare variables where they are
used instead of at the start of the function.

3 months agomaint: install: reduce variable scope
Collin Funk [Wed, 10 Dec 2025 05:13:10 +0000 (21:13 -0800)] 
maint: install: reduce variable scope

* src/install.c (change_timestamps): Initialize variables where they are
declared.
(need_copy, setdefaultfilecon, get_ids, mkancesdirs_safe_wd, main):
Declare variables where they are used instead of at the start of the
block.

3 months agomaint: cp: reduce variable scope
Collin Funk [Wed, 10 Dec 2025 05:05:22 +0000 (21:05 -0800)] 
maint: cp: reduce variable scope

* src/cp.c (re_protect): Initialize variables where they are declared.
(make_dir_parents_private, do_copy, main): Declare variables where they
are used instead of at the start of the block.

3 months agomaint: mv: reduce variable scope
Collin Funk [Wed, 10 Dec 2025 04:45:51 +0000 (20:45 -0800)] 
maint: mv: reduce variable scope

* src/mv.c (do_move, main): Declare variables where they are used
instead of at the start of a block.

3 months agotests: env: add a test for --ignore-signal=PIPE
Pádraig Brady [Wed, 10 Dec 2025 22:41:42 +0000 (22:41 +0000)] 
tests: env: add a test for --ignore-signal=PIPE

* tests/env/env-signal-handler.sh: Add a test for this
oft interfered with signal.

4 months agodoc: support html post processing in all cases
Pádraig Brady [Tue, 9 Dec 2025 17:07:13 +0000 (17:07 +0000)] 
doc: support html post processing in all cases

Previously the html-local make rule only worked for `make html`.
Instead add support for `make doc/coreutils.html` or `make web-manual`
through the use of a makeinfo wrapper.

* doc/local.mk: Move post processing from here to ...
* build-aux/makeinfo-wrapper.sh: ... here.
* cfg.mk: Ensure our wrapper is called with MAKEINFO.
Also pass --no-node-files so redirection html files
are not created for each anchor.

4 months agodoc: printf: mention how to print arguments starting with '-'
Collin Funk [Tue, 9 Dec 2025 04:15:07 +0000 (20:15 -0800)] 
doc: printf: mention how to print arguments starting with '-'

* doc/coreutils.texi (printDash): New macro.
(printf invocation, yes invocation): Use it.
Addresses https://bugs.gnu.org/79896

4 months agodoc: fix stale linuxjournal.com link
Pádraig Brady [Tue, 9 Dec 2025 14:10:58 +0000 (14:10 +0000)] 
doc: fix stale linuxjournal.com link

* doc/coreutils.texi: Update to working link.
Fixes https://bugs.gnu.org/79973

4 months agodoc: html: fix build with parallel make
Collin Funk [Tue, 9 Dec 2025 13:17:33 +0000 (13:17 +0000)] 
doc: html: fix build with parallel make

* doc/local.mk (html-local): Add html files to prerequisites so they are
generated before 'sed' is invoked.  Also interate over the already
populated $(HTMLS) to be more general (to multiple html files),
and more portable (to non GNU make).

4 months agotests: fix non-portable use of printf '\x..'
Pádraig Brady [Mon, 8 Dec 2025 22:32:48 +0000 (22:32 +0000)] 
tests: fix non-portable use of printf '\x..'

* tests/dd/conv-case.sh: Use octal instead.
* tests/ls/hyperlink.sh: Likewise.
* tests/sort/sort-locale.sh: Likewise.

4 months agodoc: fix pdf generation
Pádraig Brady [Mon, 8 Dec 2025 14:15:00 +0000 (14:15 +0000)] 
doc: fix pdf generation

* doc/coreutils.texi: Explicitly supply empty arguments to macros,
as dvi (a required prerequisite to pdf) is more strict in its
handling of macro arguments.
* cfg.mk (sc_texi_ensure_empty_option_args): Add a syntax check,
since this is not verified in the default build.
Reported by Collin Funk.

4 months agomaint: env: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 23:48:15 +0000 (15:48 -0800)] 
maint: env: reduce variable scope

* src/env.c (extract_varname, parse_signal_action_params)
(parse_block_signal_params, set_signal_proc_mask)
(list_signal_handling, main): Declare variables where they are used
instead of at the start of the function.

4 months agomaint: nohup: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 23:47:24 +0000 (15:47 -0800)] 
maint: nohup: reduce variable scope

* src/nohup.c (main): Declare variables where they are used instead of
at the start of the function.

4 months agomaint: sync: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 23:35:48 +0000 (15:35 -0800)] 
maint: sync: reduce variable scope

* src/sync.c (sync_arg, main): Declare variables where they are used
instead of at the start of the function.

4 months agomaint: pwd: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 23:27:29 +0000 (15:27 -0800)] 
maint: pwd: reduce variable scope

* src/pwd.c (find_dir_entry, robust_getcwd): Declare variables where
they are used.
(logical_getcwd, main): Likewise. Constify the result of getenv, since
the result cannot be modified.

4 months agomaint: dirname: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 23:17:21 +0000 (15:17 -0800)] 
maint: dirname: reduce variable scope

* src/dirname.c (main): Declare variables where they are used instead of
at the start of the function. Prefer idx_t to size_t.

4 months agomaint: hostid: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 23:11:55 +0000 (15:11 -0800)] 
maint: hostid: reduce variable scope

* src/hostid.c (main): Declare variables where they are used instead of
at the start of the function.

4 months agomaint: nproc: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 23:06:24 +0000 (15:06 -0800)] 
maint: nproc: reduce variable scope

* src/nproc.c (main): Declare variables where they are used instead of
at the start of the function.

4 months agomaint: whoami: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 23:03:00 +0000 (15:03 -0800)] 
maint: whoami: reduce variable scope

* src/whoami.c (main): Declare variables where they are used instead of
at the start of the function.

4 months agomaint: logname: reduce variable scope
Collin Funk [Sun, 7 Dec 2025 22:59:19 +0000 (14:59 -0800)] 
maint: logname: reduce variable scope

* src/logname.c (main): Declare variables where they are used instead of
at the start of the function.

4 months agomaint: basename: initialize values while declaring
Collin Funk [Sun, 7 Dec 2025 22:55:18 +0000 (14:55 -0800)] 
maint: basename: initialize values while declaring

* src/basename.c (remove_suffix): Initialize values on the same line as
their declarations.

4 months agoshred: use gethrxtime instead of time
Collin Funk [Sun, 7 Dec 2025 01:19:55 +0000 (17:19 -0800)] 
shred: use gethrxtime instead of time

The gethrxtime function uses a monotonic clock if available on the
system. The effect should be unnoticeable since we print --verbose
information every 5 seconds, but is more correct and we already do the
same in 'dd'.

* src/local.mk (src_shred_LDADD): Add $(GETHRXTIME_LIB).
* src/shred.c (dopass): Use xtime_t instead of time_t. Use gethrxtime
instead of time.

4 months agotests: tac-continue.sh: modernise and always execute as root
Pádraig Brady [Sun, 7 Dec 2025 13:24:00 +0000 (13:24 +0000)] 
tests: tac-continue.sh: modernise and always execute as root

* tests/tac/tac-continue.sh: This test was very awkard to setup,
and thus always skipped.  Instead move to a root only test
that creates an almost full partition itself.
* tests/local.mk: Move test to root only.
Suggested at https://github.com/uutils/coreutils/pull/9590

4 months agopinky: promptly diagnose write errors
Collin Funk [Fri, 5 Dec 2025 06:14:31 +0000 (22:14 -0800)] 
pinky: promptly diagnose write errors

In some cases 'pinky' could run forever until interrupted:

    $ ln -s /dev/zero ~/.plan
    $ ln -s /dev/zero ~/.project
    $ timeout -v 5 pinky -l collin > /dev/full
    timeout: sending signal TERM to command ‘pinky’

After this change it will exit upon failing to write to standard output:

    $ timeout -v 5 ./src/pinky -l collin > /dev/full
    pinky: write error: No space left on device

* src/pinky.c: Include fadvise.h, filenamecat.h, full-write.h, and
ioblksize.h.
(cat_file): New function.
(print_entry): Check if standard output has it's error flag set after
printing a user entry.
(print_long_entry): Likewise. Use the new cat_file function.
* NEWS: Mention the improvement.

4 months agodoc: html: reference each command option
Pádraig Brady [Thu, 27 Nov 2025 21:02:45 +0000 (21:02 +0000)] 
doc: html: reference each command option

* doc/coreutils.texi: Add anchors to each command option.
This also has the advantage of removing over 1000 lines,
through the use of macros.

4 months agodoc: html: support defined anchors for command options
Pádraig Brady [Thu, 27 Nov 2025 20:45:44 +0000 (20:45 +0000)] 
doc: html: support defined anchors for command options

* doc/coreutils.texi (optAnchor): A new macro to output a
referencable anchor, called from ...
(optItem): ... here; a new macro to output all index entries
for each option item.
(optZero,optZeroTerminated): Show an example of the adjustment
done to each option description.
* doc/local.mk (html-local): Post-process the texinfo generated HTML
(`make html`) to remove our "-option" tag, and replace all
escaped _002d with a standard hyphen, which is fine in URLs.

4 months agotests: ls: check that 'ls -R' doesn't run out of file descriptors
Collin Funk [Thu, 4 Dec 2025 04:18:48 +0000 (20:18 -0800)] 
tests: ls: check that 'ls -R' doesn't run out of file descriptors

* tests/ls/recursive.sh: Add a test where the file descriptor limit is
less than the number of directories we visit recursively.

4 months agobuild: update gnulib submodule to latest
Paul Eggert [Thu, 4 Dec 2025 20:39:17 +0000 (12:39 -0800)] 
build: update gnulib submodule to latest

Gnulib issymlinkat change reported by Bruno Haible in:
https://lists.gnu.org/r/bug-gnulib/2025-12/msg00044.html
* bootstrap: Update from Gnulib.
* src/copy.c: Include issymlinkat.h, not issymlink.h.

4 months agomaint: organize expand and unexpand tests in a subdirectory
Collin Funk [Wed, 3 Dec 2025 05:32:07 +0000 (21:32 -0800)] 
maint: organize expand and unexpand tests in a subdirectory

* tests/misc/expand.pl: Move to tests/expand/expand.pl.
* tests/misc/unexpand.pl: Move to tests/unexpand/unexpand.pl.
* tests/local.mk (all_tests): Adjust file names.

4 months agotests: expand, unexpand: add a test for bounded memory operation
Collin Funk [Wed, 3 Dec 2025 05:19:54 +0000 (21:19 -0800)] 
tests: expand, unexpand: add a test for bounded memory operation

* tests/expand/bounded-memory.sh: New file.
* tests/unexpand/bounded-memory.sh: New file.
* tests/local.mk (all_tests): Add the tests.