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2017-02-08tail: fix output of redundant headers when resumingJanne Snabb
* src/tail.c (check_fspec): Only enable printing of the file header if we've actually read some data and this is a new file. Also move printing of the file header to... (dump_remainder): ...here, to allow printing only when data read. * tests/tail-2/overlay-headers.sh: A new test for suspension and resumption of tail. * tests/local.mk: Reference the new test. * NEWS: Mention the fix. Fixes http://bugs.gnu.org/23539
2017-01-21maint: mention the recent date time zone bug fixPádraig Brady
* NEWS: Add the bug fix from commit v8.26-27-gb14be50
2017-01-14date: output "-00" for indeterminate time zonePaul Eggert
* NEWS: Document this behavior, which comes with recent Gnulib. * doc/coreutils.texi (Formatting file timestamps, du invocation) (Time conversion specifiers, Setting the time, Options for date): Mention when -00 is output for numeric time zones. Be more careful about Internet RFC numbers, ISO 8601, etc.
2017-01-14date: new option spelling --rfc-emailPaul Eggert
* NEWS: * doc/coreutils.texi (Time conversion specifiers) (Options for date, Examples of date): Document this. * src/date.c (rfc_email_format): Rename from rfc_2822_format. All uses changed. (usage, long_options): Support --rfc-email.
2017-01-09maint: standardize on "timestamp" as per POSIXPaul Eggert
2017-01-09stty: ensure no side effects from invalid optionsPádraig Brady
* src/stty.c (apply_settings): A new function refactored from main() that is used to both check and apply options. (main): Call apply_settings before we open the device, so all validation is done before interacting with a device. * NEWS: Mention the improvement. * tests/misc/stty.sh: Add a test case.
2017-01-01maint: update all copyright year number rangesPádraig Brady
Run "make update-copyright" and then... * gnulib: Update to latest with copyright year adjusted. * tests/init.sh: Sync with gnulib to pick up copyright year. * bootstrap: Likewise. * tests/sample-test: Adjust to use the single most recent year.
2016-12-20maint: correct the version for the previous bug fixPádraig Brady
While st_size would have been incorrect for subsequent files since v7.1, it was only used since v8.24. * tests/misc/wc-files0.sh: s/7.1/8.24/ * NEWS: Likewise. Reported by Bernhard Voelker
2016-12-19wc: fix wrong byte counts when using --files-from0William R. Fraser
* src/wc.c (main): Reset fstatus[0].failed between files when reusing the fstatus[0] entry in --files-from0 mode. This ensures a stat() is done for each file, avoiding incorrect counts and redundant reading. * NEWS: Mention the bug fix. * tests/misc/wc-files0.sh: Add a test case. Fixes http://bugs.gnu.org/23073
2016-12-08factor: fix infinite loop in gcd2_oddNiels Möller
* src/factor.c (gcd2_odd): Fix the case a1 == 0, a0 == 0. * NEWS: Mention the bug fix. Fixes http://bugs.gnu.org/25135
2016-11-30maint: post-release administriviaPádraig Brady
* NEWS: Add header line for next release. * .prev-version: Record previous version. * cfg.mk (old_NEWS_hash): Auto-update.
2016-11-30version 8.26Pádraig Brady
* NEWS: Record release date.
2016-11-28head: fix processing of non-seekable input as seekablePádraig Brady
* src/head.c (elide_tail_bytes_file): Ensure we don't use st_size unless we've previously used seek() to determine the CURRENT_POS in the seekable file. This was seen to cause issue on FreeBSD 11 when the pipe buffer was filled with `yes | head --lines=-0`, in which case st_size was 64KiB while ST_BLKSIZE() was 4KiB. Reported by Assaf Gordon.
2016-11-28install,mkdir: fix handling of -DZ and -pZ, respectivelyKamil Dudka
... in the case where two or more directories nested in each other are created and each of them defaults to a different SELinux context. * src/install.c (make_ancestor): When calling defaultcon(), give it the same path that is given to mkdir(). The other path is not always valid wrt. current working directory. * src/mkdir.c (make_ancestor): Likewise. * NEWS: Mention the bug fix. Reported at https://bugzilla.redhat.com/1398913
2016-11-28tac: fix mem corruption when failing to read non seekable inputsPádraig Brady
This was detected with ASAN, but can also be seen without ASAN with: $ tac - - <&- tac: standard input: read error: Bad file descriptor *** Error in `tac': malloc(): memory corruption: 0x... * src/tac.c (copy_to_temp): Don't close our output stream on (possibly transient) output error, or on input error. (temp_stream): clearerr() on the stream about to be reused, to ensure future stream use is not impacted by transient errors. * tests/misc/tac-2-nonseekable.sh: Add a test case. * NEWS: Mention the bug fix. Fixes http://bugs.gnu.org/25041
2016-11-27doc: add NEWS entries for recent changesPádraig Brady
* NEWS: Mention in improvements about the workaround for the glibc issue with closed stdin, and the new supported file systems. * tests/misc/b2sum.sh: Spelling fix.
2016-11-25pr: fix read from invalid memory with tabs in separatorPádraig Brady
This was detected with: echo a > a; pr "-S$(printf "\t\t\t")" a -m a > /dev/null Resulting in ASAN triggering: ==================================================== ERROR: AddressSanitizer: global-buffer-overflow READ of size 1 at 0x00000041b622 thread T0 #0 0x40506a in print_sep_string ../src/pr.c:2241 #1 0x407ec4 in read_line ../src/pr.c:2493 #2 0x40985c in print_page ../src/pr.c:1802 #3 0x40985c in print_files ../src/pr.c:1618 #4 0x4036e0 in main ../src/pr.c:1136 * src/pr.c (init_parameters): Ensure we only override the specified separator when it's a single tab, thus matching the calculated separator length. * tests/pr/pr-tests.pl: Add a test case. * NEWS: Mention the fix.
2016-11-22comm: add --total optionBernhard Voelker
* src/comm.c (total_option): Add bool variable for the new option. (TOTAL_OPTION): Add enum value. (long_options): Add array element for the new option. (usage): Document the new option here. (compare_files): Count the lines in total[3], and output the summary at the end. (main): Accept the new option. * doc/coreutils.texi (comm invocation): Document it. * tests/misc/comm.pl: Test it. While at it, improve the test data to have 1 unique line in the first file, 2 unique lines in the second file, and 3 common lines. * NEWS (New Features): Mention the new option. Fixes http://bugs.gnu.org/24929
2016-11-22ls: improve alignment of quoted namesPádraig Brady
This provides better alignment when some names are quoted, which also provides better indication that quotes are not part of the name. * src/ls.c (align_variable_outer_quotes): A new variable set when ls is aligning columns (not using -m, non-zero -w), and has a variable quoting style (shell, shell-escape, c-maybe). (quote_name_buf): Writes to buffer rather than FILE, taking care to avoid data copying if possible. Refactored from... (quote_name): ...here. This now manages the buffer passed to quote_name_buf() and outputs the padding, colors and name in the appropriate order, while managing the --dired offsets. (get_color_indicator): A new function to return the color sequence, refactored from... (print_color_indicator): ...here. This now simply outputs. (print_dir): Refactor common parts to quote_name(). (clear_files): Reset the flag indicating at least one file is quoted in the current directory. (needs_quoting): A new function to indicate at the scan stage whether a name needs quoting. Called from... (gobble_file): ...here, until we find the first quoted file. (print_name_with_quoting): Mostly refactored to quote_name(). * tests/ls/quote-align.sh: A new test for various output formats. * tests/local.mk: Reference the new test. * NEWS: Mention the improvement.
2016-11-22b2sum: a new checksum utility with md5sum like interfacePádraig Brady
Note we don't support the --algorithm option of the b2sum command in the external BLAKE2 project, as that was deemed too confusing for users. "BLAKE2b" was chosen as the default algorithm to use, which is single threaded but performs well on 64 bit. * src/blake2: CC0 source copied from external project. * cfg.mk[VC_LIST_ALWAYS_EXCLUDE_REGEX]: Exclude blake2/ from syntax checks, make update-copyright, etc. * src/local.mk: Reference the sources for b2sum, and set the compilation flags. * doc/coreutils.texi (b2sum invocation): Reference the md5sum invocation node, and add descriptions of -l. * tests/misc/b2sum.sh: Add new test. * tests/local.mk: Reference new test. * AUTHORS: Add new binary. * README: Likewise. * build-aux/gen-lists-of-programs.sh: Likewise. * man/.gitignore: Likewise. * scripts/git-hooks/commit-msg: Likewise. * man/b2sum.x: New man page template. * man/local.mk: Reference new template. * src/.gitignore: Ignore new binaries. * src/blake2/.gitignore: Ignore new build atrifacts. * src/md5sum.c (usage): Describe the new -l option. * NEWS: Mention the new program.
2016-11-10tail: only retry file open if --retry specifedPádraig Brady
* src/tail.c (tail_file): On failure to open a file, set ignore=true when --retry is not specified. * tests/tail-2/assert-2.sh: Adjust to the new behavior. * tests/tail-2/retry.sh: Add a test case. Also change from `tail ... && fail=1` to the more robust `returns_ 1 ...` construct which detects segfaults etc. * NEWS: Document the fix.
2016-11-09tail: ensure -f --retry 'missing' handles truncationPádraig Brady
* src/tail.c (tail_forever): The BLOCKING optimization is only enabled for non regular files (which can't be truncated), so ensure we don't enable that unless we've a valid file descriptor. * tests/tail-2/retry.sh: Add a test case. * NEWS: Mention the bug fix.
2016-11-09tail: avoid outputting repeated data with remote filesPádraig Brady
* src/tail.c (tail_forever): Only read up to st_size on network file systems to avoid the issue with a stale attribute cache returning a smaller st_size than we have already read(). The was seen with glusterfs at least and caused the complete file to be repeatedly output due to assuming the file was truncated in this case. * NEWS: Mention the fix.
2016-11-08tail: terminate when following pipes and untailable non pipesPádraig Brady
* src/tail.c (ignore_pipe_or_fifo): Mark the descriptor as -1 for pipes so that any_live_files() detects correctly that the entry is no longer live. * tests/tail-2/pipe-f.sh: Add a test case. * NEWS: Mention the fix. Fixes http://bugs.gnu.org/24903 which was detected using Symbolic Execution techniques developed in the course of the SYMBIOSYS research project at COMSYS, RWTH Aachen University.
2016-11-07date: add %q to output the quarter of the yearPádraig Brady
* doc/coreutils.texi (date invocation): Document %q. * src/date.c (usage): Likewise. * tests/misc/date.pl: Add a test case. * cfg.mk (sc_strftime_check): Adjust to allow %q. * NEWS: Mention the new feature.
2016-11-05stat: make --format=%N honor the QUOTING_STYLE env varPádraig Brady
* doc/coreutils.texi (stat invocation): Describe the QUOTING_STYLE values now supported. * src/stat.c (getenv_quoting_style): A new function called from main, that sets the default quoting style for quotearg. (main): Call getenv_quoting_style() when %N specified. * tests/misc/stat-fmt.sh: Add a test case. * NEWS: Mention the improvement. Fixes http://bugs.gnu.org/23422
2016-10-26md5sum,sha*sum: fix --ignore-missing with checksums starting with 00Pádraig Brady
* NEWS: Mention the fix. * src/md5sum.c (digest_file): Add a new MISSING parameter to return whether the file was missing, separately from the digest. * tests/misc/md5sum.pl: Add a test case. Fixes http://bugs.gnu.org/24795
2016-10-04rm: disallow --n alias for --no-preserve-rootPádraig Brady
* src/rm.c (main): Ensure the full --no-preserve-root option is specified, rather than allowing --n etc. * tests/rm/r-root.sh: Add a test case. * NEWS: Mention the change in behavior. Improved by Jim Meyering. Fixes http://bugs.gnu.org/24604
2016-09-28tail: -F now always processes initially untailable filesPádraig Brady
which was not the case when inotify was not available. * src/tail.c (any_live_files): Simplify, since the IGNORE flag is now only set when a file should be ignored indefinitely. (recheck): Only output the "giving up on name" message when that's actually the case. Only set the IGNORE flag when ignoring a file indefinitely. (tail_file): Likewise. * tests/tail-2/retry.sh: Add a test case. Also run all existing test cases with and without inotify. NEWS: Mention the fix. THANKS.in: Add the reporter. Fixes http://bugs.gnu.org/24495 which was detected using Symbolic Execution techniques developed in the course of the SYMBIOSYS research project at COMSYS, RWTH Aachen University.
2016-09-19ls: fix %%b format and precompute morePaul Eggert
The old code mishandled --time-spec='+%%b', as it misinterpreted the '%b' as being the month abbreviation. Also, it mishandled the extremely unlikely case of a month abbreviation containing '%'. The performance part of this patch sped up 'ls' by about 1% on my little benchmark of 'ls -lR' on the source directory in the en_US.UTF-8 locale (Fedora 24 x86-64). * NEWS: Document the bug fix. * src/ls.c (first_percent_b, abformat_init): New static functions. (ABFORMAT_SIZE): New constant. (use_abformat): New static var. (abmon, required_mon_width): Remove these static vars. (abmon_init): Now accepts a pointer to abmon, and returns a boolean. All callers changed. Reject month abbrs containing '%', as these would mess up strftime. Simplify mbsalign result checking, since (size_t) -1 exceeds ABFORMAT_SIZE. (abformat_init, align_nstrftime): Precompute all 24 formats at startup, rather than computing a format for each time stamp. (decode_switches): Call abformat_init instead of abmon_init. (align_nstrftime): Accept recentness bool instead of format. All callers changed. * tests/misc/time-style.sh: Test for format with '%%b'.
2016-09-08date: add '--debug' optionAssaf Gordon
Usage example: date --debug -d 'now + 3 days' Print parsing and debugging information to stderr when using date's -d/--date option. See: http://lists.gnu.org/archive/html/coreutils/2016-01/msg00076.html * src/date.c (main): Add '--debug' option, enable debugging in gnulib's parse-datetime.y module. * tests/misc/date.pl: Repeat tests with '--debug' enable, ensure no regression. * tests/misc/date-debug.sh: Test output of '--debug' option. * tests/local.mk: Add above test. * NEWS: Mention new option. * doc/coreutils.texi: Likewise.
2016-09-07factor: reinstate immediate output with interactive usePádraig Brady
* src/factor.c (lbuf_putc): Only buffer more than a line when not using the tool interactively. * NEWS: Mention the bug fix. Fixes http://pad.lv/1620139
2016-09-07ls: allow interruption when reading slow directoriesKamil Dudka
Postpone installation of signal handlers until they're needed. That is right before the first escape sequence is printed. * src/ls.c (signal_setup): A new function refactored from main() to set and restore signal handlers. (main): Move signal handler setup to put_indicator() so that the default signal handling is untouched as long as possible. Adjusted condition for restoring signal handlers to reflect the change. (put_indicator): Install signal handlers if called for the very first time. It uses the same code that was in main() prior to this commit. * NEWS: Mention the improvement. See https://bugzilla.redhat.com/1365933 Fixes http://bugs.gnu.org/24232
2016-08-18cp: with --parents --no-preserve=mode don't copy dir permsPádraig Brady
* src/cp.c (make_dir_parents_private): Use default permissions for created directories when --no-preserve=mode is specified. * tests/cp/cp-parents.sh: Add a test case. * NEWS: Mention the fix. Fixes http://bugs.gnu.org/24251
2016-08-03df: improve performance with many mount pointsPhilipp Thomas
Use hash table for seaching in filter_mount_list() and get_dev() This improves performance for 20K mount entries from: real 0m1.731s user 0m0.532s sys 0m1.188s to: real 0m1.066s user 0m0.028s sys 0m1.032s * src/df.c (devlist_table): Define hash table. (devlist_hash): Add hash function. (devlist_compare): Add hash comparison function. (devlist_for_dev): Add lookup function. (devlist_free): Add cleanup function. (filter_mount_list): Use the above hash table. While at it, rename the variable 'devlist' to 'seen_dev' for better readability. (me_for_dev): Use the above lookup function. NEWS: Mention the improvement. THANKS.in: Remove the committer; add original submitter Josef Cejka.
2016-07-18sort: make -h work with -k and blank used as thousands separatorKamil Dudka
* src/sort.c (traverse_raw_number): Allow to skip only one occurrence of thousands_sep to avoid finding the unit in the next column in case thousands_sep matches as blank and is used as column delimiter. * tests/misc/sort-h-thousands-sep.sh: Add regression test for this bug. * tests/local.mk: Reference the test. * NEWS: Mention the bug fix. Reported at https://bugzilla.redhat.com/1355780 Fixes http://bugs.gnu.org/24015
2016-07-08install: with -Z, set default SELinux context for created directoriesKamil Dudka
* doc/coreutils.texi (install invocation): Update -Z documentation. * src/install.c (make_ancestor): Set default security context before calling mkdir() if the -Z option is given. (process_dir): Call restorecon() on the destination directory if the -Z option is given. (usage): Update -Z documentation. * tests/install/install-Z-selinux.sh: A new test for 'install -Z -D' and 'install -Z -d' based on tests/mkdir/restorecon.sh. * tests/local.mk: Reference the test. * NEWS: Mention the improvement. Reported at https://bugzilla.redhat.com/1339135 Fixes http://bugs.gnu.org/23868
2016-06-29stty: fix sane setting of susp to ^z on SolarisPádraig Brady
* src/stty.c: Disable setting of "swtch" to ^z as that conflicts with and disables using ^z as "susp". * NEWS: Mention the bug fix. Reported and tested by Rich Burridge at: http://bugs.gnu.org/23866
2016-06-26all: update gnulib submodule and tests/init.sh to latestPádraig Brady
* gnulib: Update to latest. * NEWS: Specifically mention the fts readdir() fix and reindent to standard indentation. * tests/init.sh: Update from gnulib.
2016-06-24yes: handle short writesPádraig Brady
* src/yes.c (main): Loop over the write buffer to handle the case where write may write less than requested. * NEWS: Mention the bug fix. Reported by Paul Eggert.
2016-05-14nl: reset numbering for each sectionKOBAYASHI Takashi
* NEWS: Mention the bug fix. * src/nl.c (proc_body, proc_footer): Reset numbering here too. * doc/coreutils.texi (nl invocation): Adjust for behavior change. * tests/misc/nl.sh: Add a test case.
2016-05-12stat,tail: add support for the SMB2 remote file systemPádraig Brady
* stc/stat.c (human_fstype): Add file system ID definition, and use "smb2" as the name. * NEWS (Improvements): Mention the change. Fixes http://bugs.gnu.org/23516
2016-04-24seq: detect and report I/O errors immediatelyAssaf Gordon
Ensure I/O errors are detected (and terminate seq), preventing seq from infloop (or running for long time with a large range) upon write errors or ignored SIGPIPE. Examples: seq 1 inf > /dev/full (seq_fast) seq 1.1 0.1 inf >/dev/full (print_numbers) * src/seq.c (io_error): A new function to diagnose appropriate stdio errors and exit the program with failure status. (seq_fast, print_numbers): Explicitly check for write errors and terminate the program with diagnostic. * tests/misc/seq-io-errors.sh: Test error detection with /dev/full. * tests/misc/seq-epipe.sh: Test error detection with broken pipes. * tests/local.mk: Add new tests. * NEWS: Mention the fix.
2016-04-22stat,tail: add support for Windows Subsystem for LinuxPádraig Brady
* src/stat.c (human_fstype): Add file system ID definition, and use "wslfs" as the name. * NEWS (Improvements): Mention the change. Fixes http://bugs.gnu.org/23273
2016-04-14seq: do not allow NaN argumentsBernhard Voelker
* src/seq.c (isnan): Define macro. (scan_arg): Add check if the given argument is NaN, and exit with a proper error diagnostic in such a case. (usage): Document it. * tests/misc/seq.pl: Add tests. * doc/coreutils.texi (seq invocation): Document the change. * NEWS (Changes in behavior): Mention the change.
2016-04-14seq: do not allow 0 as increment valueBernhard Voelker
* src/seq.c (main): Exit with an error diagnostic when the given step value is Zero. (usage): Document it. * doc/coreutils.texi (seq invocation): Likewise. * tests/misc/seq.pl: Add tests. * NEWS (Changes in behavior): Mention the change. Reported by Маренков Евгений in: http://bugs.gnu.org/23110
2016-04-14stat,tail: add support for M1FSYigal Korman
* src/stat.c (human_fstype): Add file system ID definition. * NEWS (Improvements): Mention the change, moving the previously added "prl_fs" change note from "Changes in behavior" to here. Fixes http://bugs.gnu.org/23283
2016-03-31stat: report type for "prl_fs" file systemsPádraig Brady
* src/stat.c (human_fstype): Identify the parallels file system. Also tag as remote so that tail(1) doesn't use inotify, which fails to detect changes made outside a VM. Fixes http://bugs.gnu.org/23143
2016-03-17date ls pr: fix time zone abbrs on SysV platformsPaul Eggert
The problematic code computed a struct tm in one time zone, and then printed it or converted it to a string in another. To be portable the same time zone needs to be used for both operations. On GNU platforms this is not an issue, but incorrect output can be generated on System V style platforms like AIX where time zone abbreviations are available only in the 'tzname' global variable. Problem reported by Assaf Gordon in: http://bugs.gnu.org/23035 * NEWS: Document the bug. * src/date.c (show_date): * src/ls.c (long_time_expected_width, print_long_format): * src/pr.c (init_header): * src/stat.c (human_time): Use localtime_rz instead of localtime, so that the time zone information is consistent for both localtime and time-formatting functions like fprintftime and nstrftime. For 'stat' this change is mostly just a code cleanup but it also causes stat to also print nanoseconds when printing time stamps that are out of localtime range, as this is more consistent with what other programs do. For programs other than 'stat' this fixes bugs with time zone formats that use %Z. * src/du.c, src/pr.c (localtz): New static var. (main): Initialize it. * src/du.c (show_date): New time zone argument, so that localtime and fprintftime use the same time zone information. All callers changed. * tests/misc/time-style.sh: New file. * tests/local.mk (all_tests): Add it. * tests/misc/date.pl: Test alphabetic time zone abbreviations.
2016-03-09build: update gnulib submodule to latestEric Blake
Mainly for: *bdb72bc6 set-permissions: fix compilation on Cygwin * bootstrap: Sync with gnulib. * gl/lib/regcomp.c.diff: Regenerate against latest gnulib.
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