Age | Commit message (Collapse) | Author |
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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.
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The character 'K' representing numeric user input can be confusing,
especially in the context where it can be suffixed by the multipliers
K, M, G, etc.
Use NUM instead.
* doc/coreutils.texi (head invocation): Replace @var{k} by @var{num}.
Also change @var{count} in the paragraph about the obsolete option
syntax.
(tail invocation): Likewise. Furthermore, adjust the option order to
alphabetical sorting.
* src/head.c (usage): s/K/NUM/ in as placeholder in the -c and -n
options. Furthermore, print the actual DEFAULT_NUMBER instead of the
hard-coded 10.
* src/tail.c (usage): s/K/NUM/ in as placeholder in the -c and -n
options. Add "[+]" to clarify that NUM may optionally be preceded by
this sign. Remove the redundant explanation of the optional '+' prefix
for NUM, as that is now clear from the option description above.
Suggested by Dan Jacobson in http://bugs.gnu.org/22042
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Quote file names using the "shell-escape" or "shell-escape-always"
methods, which quote as appropriate for most shells,
and better support copy and paste of presented names.
The "always" variant is used when the file name is
embedded in an error message with surrounding spaces.
* cfg.mk (sc_error_shell_quotes): A new syntax check rule
to suggest quotef() where appropriate.
(sc_error_shell_always_quotes): Likewise for quoteaf().
* src/system.h (quotef): A new define to apply shell quoting
when needed. I.E. when shell character or ':' is present.
(quoteaf): Likewise, but always quote.
* src/*.c: Use quotef() and quoteaf() rather than quote()
where appropriate.
* tests/: Adjust accordingly.
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These strings are often file names or other user specified
parameters, which can give confusing errors in
the presence of unexpected characters for example.
* cfg.mk (sc_error_quotes): A new syntax check rule.
* src/*.c: Wrap error() string arguments with quote().
* tests/: Adjust accordingly.
* NEWS: Mention the improvement.
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* src/tail.c (fremote): No longer prompt the user to email
with the unrecognized file system constant, since we have
process in place to sync periodically with the latest Linux
constants, and the fall back polling mode is still fully functional.
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Avoid the intermittent loss of "... has become inaccessible" messages.
That would cause tests/tail-2/assert.sh to fail sometimes,
mainly on uniprocessor systems.
* src/tail.c (tail_forever_inotify): Also monitor IN_DELETE
events on the directory, to avoid a dentry unlink()..open() race,
where the open() on the deleted file was seen to succeed after an,
unlink() and a subsequent IN_ATTRIB, was sent to tail. Note an
IN_ATTRIB is sent on the monitored file to indicate the change in
number of links, and we can't just use a decrease in the number of
links to determine the file being unlinked, due to the possibility
of the file having multiple links.
Reported by Assaf Gordon and Ludovic Courtès.
Fixes http://bugs.gnu.org/21460
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Since commit v8.23-19-g8defcee, main() will return,
rather than call exit(), this inducing "definitely lost"
warnings in valgrind's leak checker. That precludes using
the following to flag memory leaks:
valgrind --leak-check=full --error-exitcode=1 \
--errors-for-leak-kinds=definite
* src/pr.c (main): In dev builds, explicitly free memory allocated.
* src/sort.c (main): Likewise.
* src/tail.c (main): Likewise.
* src/tsort.c (tsort): Likewise.
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* src/tail.c (recheck): Display diagnostices for replaced files
even with reused inodes which is a common case.
* tests/tail-2/F-vs-missing.sh: Use correct diagnostic in comment.
* tests/tail-2/F-vs-rename.sh: Likewise.
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* src/tail.c (tail_forever_inotify): Use the fspec pointer to
distinguish previously output files, rather than a descriptor
from the inotify event. That event descriptor was that of
the parent directory when files were created or renamed etc.
(check_fspec): Adjust for the new comparison. Also show the
header when the file is truncated, since we show data
in this case also.
* tests/tail-2/F-headers.sh: A new test case.
* tests/local.mk: Reference the new test.
* NEWS: Mention the bug fix.
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Generally if logs are truncated, they're truncated to 0 length,
so output all existing data when our heuristic determines truncation.
Note with inotify, truncate() and write() are often determined
independently and so all data would be written if that was the case.
* src/tail.c (check_fspec): Reset file offset to 0 upon truncation.
(tail_forever): Likewise.
(recheck): Add a FIXME for the related issue where tail may lose
data due to tail discounting older log files too early.
* tests/tail-2/truncate.sh: A new test.
* tests/local.mk: Reference the new test.
* NEWS: Mention the fix.
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The previous fixes to races in the various tail tests,
identified actual races in the tail inotify implementation.
With --follow=descriptor, if the tailed file was replaced before
the inotify watch was added, then any subsequent changes were ignored.
Similarly in --follow=name mode, all changes to a new name were
effectively ignored if that name was created after the original open()
but before the inotify_add_watch().
* src/tail.c (tail_forever_inotify): Fix 3 cases.
1. With -f, don't stop tailing when file removed before watch.
2. With -f, watch right file when file replaced before watch.
3. With -F, inspect correct file when replaced before watch.
Existing tests identify these when tail compiled with TAIL_TEST_SLEEP.
* tests/tail-2/inotify-rotate-resources.sh:
This test also identifies the issue with --follow=name
when TAIL_TEST_SLEEP is used. Adjust so the test is immune
to such races, and also fail quicker on remote file systems.
* tests/tail-2/inotify-race2.sh: A new test using GDB,
based on inotify-race.sh, which tests the -F race
without needed recompilation with sleeps.
* tests/local.mk: Reference the new test.
* NEWS: Mention the bug.
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* src/system.h (emit_stdin_note): A new function, refactoring
the usage note about the '-' FILE implying stdin.
* src/base64.c (usage): Use the new function to emit the
note in a standard location and with standard separation.
* src/cat.c (usage): Likewise.
* src/csplit.c (usage): Likewise.
* src/cut.c (usage): Likewise.
* src/expand.c (usage): Likewise.
* src/fmt.c (usage): Likewise.
* src/head.c (usage): Likewise.
* src/md5sum.c (usage): Likewise.
* src/nl.c (usage): Likewise.
* src/od.c (usage): Likewise.
* src/paste.c (usage): Likewise.
* src/pr.c (usage): Likewise.
* src/ptx.c (usage): Likewise.
* src/shred.c (usage): Likewise.
* src/shuf.c (usage): Likewise.
* src/sort.c (usage): Likewise.
* src/sum.c (usage): Likewise.
* src/tac.c (usage): Likewise.
* src/tail.c (usage): Likewise.
* src/tsort.c (usage): Likewise.
* src/unexpand.c (usage): Likewise.
* src/wc.c (usage): Likewise.
* src/join.c (usage): Adjust the separation used for
the message referring to FILE1 or FILE2 as stdin.
* src/comm.c (usage): Add a message using the same
wording (translation) as used in join.
* src/split.c (usage): Reword to using FILE rather than
INPUT, allowing use of emit_stdin_note(). Also remove
the mention of "fixed-size" pieces as this isn't now
always the case.
Fixes http://pad.lv/1450179
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All warnings were of the form: "assuming signed overflow does not occur
when simplifying conditional to constant [-Werror=strict-overflow]"
* src/dd.c (cache_round): Use an appropriately sized unsigned type,
to avoid possibility of undefined signed overflow.
* src/mknod.c (main): Likewise.
* src/pr.c (pad_down): Likewise.
* src/wc.c (main): Likewise.
* src/tail.c (main): Assert that argc >= 0 thus allowing the
compiler to assume without implication that argc - optind
is positive.
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* src/tail.c (tail_forever_inotify): Only monitor write()s and
truncate()s to files in --follow=descriptor mode, thus avoiding
the bug where we removed the watch on renamed files.
Also adjust the inotify event processing code that is
now significant only in --follow=name mode.
* tests/tail-2/F-vs-rename.sh: Improve this existing test by running
in both polling and inotify modes.
* tests/tail-2/f-vs-rename.sh: A new test based on the existing one.
* tests/local.mk: Reference the new test.
* NEWS: Mention the bug.
Fixes http://bugs.gnu.org/19760
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* src/tail.c (main): Document another caveat with the
inotify implementation wrt multiple hardlinked files.
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Each user has a maximum number of inotify watches,
so handle the cases where we exhaust these resources.
* src/tail.c (tail_forever_inotify): Ensure we inotify_rm_watch()
the watch for an inode, when replacing with a new watch for a name.
Return all used inotify resources when reverting to polling.
Revert to polling upon first indication of inotify resource exhaustion.
Revert to polling on any inotify resource exhaustion.
Diagnose resource exhaustion correctly in all cases.
Avoid redundant reinsertion in the hash for unchanged watches
(where only attributes of the file are changed).
* tests/tail-2/retry.sh: Avoid false failure when reverting to polling.
* tests/tail-2/inotify-rotate.sh: Likewise.
* tests/tail-2/symlink.sh: Likewise.
* tests/tail-2/inotify-rotate-resources.sh: New test to check
that we're calling inotify_rm_watch() for replaced files.
* tests/local.mk: Reference the new test.
* NEWS: Mention the bug fix.
* THANKS.in: Thanks for reporting and problem identification.
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Run "make update-copyright" and then...
* tests/sample-test: Adjust to use the single most recent year.
* tests/du/bind-mount-dir-cycle-v2.sh: Fix case in copyright message,
so that year is updated automatically in future.
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Following on from commit v8.23-82-gaddae94, consistently diagnose
numbers that are too large, so as to distinguish from other errors,
and make the limits obvious.
* gl/modules/xdectoint: A new module implementing xdecto[iu]max(),
which handles the common case of parsing a bounded integer and
exiting with a diagnostic on error.
* gl/lib/xdectoimax.c: The signed variant.
* gl/lib/xdectoint.c: The parameterized implementation.
* gl/lib/xdectoint.h: The interface.
* gl/lib/xdectoumax.c: The unsigned variant.
* bootstrap.conf: Reference the new module.
* cfg.mk (exclude_file_name_regexp--sc_require_config_h_first):
Exclude the parameterized templates.
* src/csplit.c: Output EOVERFLOW or ERANGE errors if appropriate.
* src/fmt.c: Likewise.
* src/fold.c: Likewise.
* src/head.c: Likewise.
* src/ls.c: Likewise.
* src/nl.c: Likewise.
* src/nproc.c: Likewise.
* src/shred.c: Likewise.
* src/shuf.c: Likewise.
* src/stdbuf.c: Likewise.
* src/stty.c: Likewise.
* src/tail.c: Likewise.
* src/truncate.c: Likewise.
* src/split.c: Likewise.
* src/pr.c: Likewise.
* tests/pr/pr-tests.pl: Adjust to avoid matching errno diagnostic.
* tests/fmt/base.pl: Likewise.
* tests/split/l-chunk.sh: Likewise.
* tests/misc/shred-negative.sh: Likewise.
* tests/misc/tail.pl: Likewise. Also remove the redundant
existing ERR_SUBST from test err-6.
* tests/ls/hex-option.sh: Check HEX/OCT options.
* tests/misc/shred-size.sh: Likewise.
* tests/misc/stty-row-col.sh: Likewise.
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Fix similar problems in head, od, split, tac, and tail.
Reported by George Shuklin in: http://bugs.gnu.org/18621
* NEWS: Document this.
* src/head.c (elseek): Move up.
(elide_tail_bytes_pipe, elide_tail_lines_pipe): New arg
CURRENT_POS. All uses changed.
(elide_tail_bytes_file, elide_tail_lines_file):
New arg ST and remove arg SIZE. All uses changed.
* src/head.c (elide_tail_bytes_file):
* src/od.c (skip): Avoid optimization for /sys files, where
st_size is bogus and st_size == st_blksize.
Don't report error at EOF when not optimizing.
* src/head.c, src/od.c, src/tail.c: Include "stat-size.h".
* src/split.c (input_file_size): New function.
(bytes_split, lines_chunk_split, bytes_chunk_extract): New arg
INITIAL_READ. All uses changed. Use it to double-check st_size.
* src/tac.c (tac_seekable): New arg FILE_POS. All uses changed.
(copy_to_temp): Return size of temp file. All uses changed.
* src/tac.c (tac_seekable):
* src/tail.c (tail_bytes):
* src/wc.c (wc):
Don't trust st_size; double-check by reading.
* src/wc.c (wc): New arg CURRENT_POS. All uses changed.
* tests/local.mk (all_tests): Add tests/misc/wc-proc.sh,
tests/misc/od-j.sh, tests/tail-2/tail-c.sh.
* tests/misc/head-c.sh:
* tests/misc/tac-2-nonseekable.sh:
* tests/split/b-chunk.sh:
Add tests for problems with /proc and /sys files.
* tests/misc/od-j.sh, tests/misc/wc-proc.sh, tests/tail-2/tail-c.sh:
New files.
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* src/system.h (emit_ancillary_info): Take the invariant PROGRAM_NAME
as a parameter, so that consistent references are made to online docs
and texinfo nodes, when a --program-prefix is in place. Note the
man pages don't need this fix as they're generated before the program
prefix is used.
* NEWS: Mention the improvements in references to online documentation.
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* build-aux/gen-single-binary.sh: Don't use ATTRIBUTE_NORETURN
for main functions.
* src/base64.c, src/basename.c, src/cat.c, src/chcon.c, src/chgrp.c:
* src/chmod.c, src/chown.c, src/chroot.c, src/cksum.c, src/comm.c:
* src/cp.c, src/csplit.c, src/cut.c, src/date.c, src/dd.c, src/df.c:
* src/dircolors.c, src/dirname.c, src/du.c, src/echo.c, src/env.c:
* src/expand.c, src/expr.c, src/factor.c, src/fmt.c, src/fold.c:
* src/getlimits.c, src/groups.c, src/head.c, src/hostid.c:
* src/hostname.c, src/id.c, src/install.c, src/join.c, src/kill.c:
* src/link.c, src/ln.c, src/logname.c, src/ls.c, src/make-prime-list.c:
* src/md5sum.c, src/mkdir.c, src/mkfifo.c, src/mknod.c, src/mktemp.c:
* src/mv.c, src/nice.c, src/nl.c, src/nohup.c, src/nproc.c:
* src/numfmt.c, src/od.c, src/paste.c, src/pathchk.c, src/pinky.c:
* src/pr.c, src/printenv.c, src/printf.c, src/ptx.c, src/pwd.c:
* src/readlink.c, src/realpath.c, src/rm.c, src/rmdir.c, src/runcon.c:
* src/seq.c, src/shred.c, src/shuf.c, src/sleep.c, src/sort.c:
* src/split.c, src/stat.c, src/stdbuf.c, src/stty.c, src/sum.c:
* src/sync.c, src/tac.c, src/tail.c, src/tee.c, src/timeout.c:
* src/touch.c, src/tr.c, src/true.c, src/truncate.c, src/tsort.c:
* src/tty.c, src/uname.c, src/unexpand.c, src/uniq.c, src/unlink.c:
* src/uptime.c, src/users.c, src/wc.c, src/who.c, src/whoami.c:
In 'main' functions, Prefer 'return status;' to 'exit (status);'.
* src/coreutils-arch.c (_single_binary_main_uname)
(_single_binary_main_arch):
* src/coreutils-dir.c, src/coreutils-vdir.c (_single_binary_main_ls)
(_single_binary_main_dir, _single_binary_main_vdir):
Omit ATTRIBUTE_NORETURN. Return a value.
* src/coreutils.c (SINGLE_BINARY_PROGRAM): Omit ATTRIBUTE_NORETURN.
(launch_program): Now static.
* src/dd.c (finish_up): New function.
(quit, main): Use it.
* src/getlimits.c (main): Return a proper exit status.
* src/test.c (test_main_return): New macro.
(main): Use it.
* src/logname.c, src/nohup.c, src/whoami.c:
Use 'error' to simplify exit status in 'main' function.
* src/yes.c (main): Use 'return' rather than 'error' to exit,
so that GCC doesn't suggest ATTRIBUTE_NORETURN.
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If we can't output more data, we should immediately
diagnose the issue and exit rather than consuming all
of input (in some cases).
* src/tail.c (xwrite_stdout): Also diagnose the case where
only some data is written. Also clearerr() to avoid the
redundant less specific error from atexit (close_stdout);
* src/head.c (xwrite_stdout): Copy this new function from tail,
and use it to write all output.
* tests/misc/head-write-error.sh: A new test to ensure we
exit immediately on write error.
* tests/local.mk: Reference the new test.
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Run "make update-copyright", but then also run this,
perl -pi -e 's/2\d\d\d-//' tests/sample-test
to make that one script use the single most recent year number.
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* src/tail.c: With inotify, when a file is initially absent,
we fstat(-1) for that file spec, thus recording an errnum of EBADF,
which caused the "has become accessible" diagnostic to be issued,
when the file first appears. Instead we avoid the fstat(-1) and
thus emit the more natural and consistent "has appeared" diagnostic.
* tests/tail-2/retry.sh: Use the new diagnostic which also causes
this test to pass on systems without inotify.
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Previous behavior failed to read contents of a (re)appearing file,
when symlinked by tail's watched file. Also we now diagnose other
edge cases when running in inotify mode, where an initially
missing or regular file changes to a symlink.
* src/tail.c (main): If any arg is a symlink, use polling mode.
(recheck): Diagnose the edge case where a symlink appears during
inotify processing.
* tests/tail-2/symlink.sh: Test the fix. Mention the edge cases.
* tests/local.mk: Reference the new test.
* NEWS: Mention the fix.
Reported by: Ondrej Oprala
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Also slightly rephrase some descriptions for extra clarity, and
add more consistent indentation.
* src/df.c (usage): Semicolon, no final period.
* src/du.c (usage): Likewise, plus indentation and clarifying words.
* src/ls.c (usage): Semicolon, rephrasings, added parentheses for
clarity, indentation.
* src/rm.c (usage): Semicolons.
* src/tail.c (usage): Adjust -f description to prefer explanatory
language instead of option syntax.
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Also do not end option descriptions with a period, properly indent
continuation lines, and make some tiny clarifications.
* src/du.c (usage): Lowercase after semicolon.
* src/ls.c (usage): Semicolons instead of periods, small rephrasing
and two hyphens for clarity, proper indentation.
* src/mktemp.c (usage): Semicolons and lowercase.
* src/od.c (usage): Semicolons.
* src/ptx.c (usage): Use the standard phrase, clarify default option.
* src/setuidgid.c (usage): Properly indent continuation line.
* src/split.c (usage): Semicolons, lowercase, no final period.
* src/stat.c (usage): Semicolons, lowercase.
* src/tail.c (usage): Proper indentation, one shorter rephrasing,
semicolons, no final periods.
* src/timeout.c (usage): Properly indent, semicolons, no final periods.
Fixes http://bugs.gnu.org/14976
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* configure.ac: If clang, add -Wno-format-extra-args and
-Wno-tautological-constant-out-of-range-compare.
* gl/lib/rand-isaac.c (ind):
* gl/lib/randread.c (readisaac):
* src/ls.c (dev_ino_push, dev_ino_pop):
* src/sort.c (buffer_linelim):
* src/system.h (is_nul):
* src/tail.c (tail_forever_inotify):
Rewrite to avoid casts that clang dislikes.
It's good to avoid casts anyway.
* src/expr.c (integer_overflow): Declare only if it exists.
(die): Remove; unused.
* src/ls.c (dev_ino_push): New function, replacing ...
(DEV_INO_PUSH): ... this removed macro. All uses changed.
(decode_switches): Rewrite "str"+i to &str[i].
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As a side effect of the previous commit which fixes 'tail -f --retry'
to wait for a file to appear, tail would not exit when the last file
appears untailable and gives up on this file.
This can happen, for example, when the argument file name appears
as directory. Tail sets the 'ignore' flag of this file to true,
but instead of exiting the program, tail would continue the loop.
* src/tail.c (any_live_files): Change the function to return true
if any of the files is still tailable or if tail should continue to
try to check again.
(tail_forever): Change the condition to break the loop in the
"no files remaining" case, because now any_live_files() will care
about it, as mentioned above.
(parse_options): When --retry is used without any follow mode,
then reset reopen_inaccessible_files to false.
* tests/tail-2/retry.sh: Add test case.
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The --retry option is indeed useful for both following modes
by name and by file descriptor. The difference is that in the
latter case, it is effective only during the initial open.
As a regression of the implementation of the inotify support,
tail -f --retry would immediately exit if the given file is
inaccessible.
* src/tail.c (usage): Change the description of the --retry option:
remove the note that this option would mainly be useful when
following by name.
(main): Change diagnosing dubios uses of --retry option:
when the --retry option is used without following, then issue
a warning that this option is ignored; when it is used together
with --follow=descriptor, then issue a warning that it is only
effective for the initial open.
Disable inotify also in the case when the initial open in tail_file()
failed (which is the actual bug fix).
* init.cfg (retry_delay_): Pass excess arguments to the test function.
* tests/tail-2/retry.sh: Add new tests.
* tests/local.mk (all_tests): Mention it.
* doc/coreutils.texi (tail invocation): Enhance the documentation
of the --retry option. Clarify the difference in tail's behavior
regarding the --retry option when combined with the following modes
name versus descriptor.
* NEWS (Bug fixes): Mention the fix.
Reported by Noel Morrison in:
http://lists.gnu.org/archive/html/coreutils/2013-04/msg00003.html
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* src/tail.c (main): If -n0 or -c0 were specified without -f,
then no data would ever be output, so exit without reading input.
* tests/tail-2/tail-n0f.sh: Augment the related test with this case.
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Each program with at least one long option which is marked as
'required_argument' and which has also a short option for that
option, should print a note about mandatory arguments.
Define that well-known note centrally and use it rather than
literal printf/fputs, and add it where it was missing.
* src/system.h (emit_mandatory_arg_note): Add new function.
* src/cp.c (usage): Use it rather than literal printf/fputs.
* src/csplit.c, src/cut.c, src/date.c, src/df.c, src/du.c:
* src/expand.c, src/fmt.c, src/fold.c, src/head.c, src/install.c:
* src/kill.c, src/ln.c, src/ls.c, src/mkdir.c, src/mkfifo.c:
* src/mknod.c, src/mv.c, src/nl.c, src/od.c, src/paste.c:
* src/pr.c, src/ptx.c, src/shred.c, src/shuf.c, src/sort.c:
* src/split.c, src/stdbuf.c, src/tac.c, src/tail.c, src/timeout.c:
* src/touch.c, src/truncate.c, src/unexpand.c, src/uniq.c:
Likewise.
* src/base64.c (usage): Add call of the above new function
because at least one long option has a required argument.
* src/basename.c, src/chcon.c, src/date.c, src/env.c:
* src/nice.c, src/runcon.c, src/seq.c, src/stat.c, src/stty.c:
Likewise.
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Run "make update-copyright", but then also run this,
perl -pi -e 's/2\d\d\d-//' tests/sample-test
to make that one script use the single most recent year number.
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* src/tail.c (tail_forever): Close FD to avoid leak after a
failed fstat.
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* src/tail.c (check_fspec): Save fstat-induced errno *before*
calling close_fd, not after. Otherwise, the close could well
clobber the global errno, making tail print an invalid diagnostic.
This could happen only with tail -f, and even then, only when
a valid file descriptor were to provoke fstat failure.
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Run "make update-copyright".
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Run this (twice):
git grep -E -l '`.+'\' src/*.[ch] \
|xargs perl -pi -e 's/`(.+?'\'')/'\''$1/'
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Run this (twice):
git grep -E -l '`[^ ]+'\' src/*.c \
|xargs perl -pi -e 's/`([^ ]+'\'')/'\''$1/'
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All affected lines end with \ or \n\, so run this command
until it produces no new changes (4 times):
git grep -E -l '`[^ ]+'\''.*\\' src \
|xargs perl -pi -e 's/`([^ ]+'\''.*\\)/'\''$1/'
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Run this command:
perl -0777 -pi -e \
's/fprintf \(stderr, _\("Try `%s --help.*\n.*;/emit_try_help ();/m'\
src/*.c
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Without this change, gcc's -Werror=format would complain that
the '%lx' format requires 'long unsigned int', not 'int'.
* src/tail.c (fremote): Use a temporary variable.
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Run "make update-copyright".
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* src/tail.c (start_lines): Do not form potentially-invalid address.
Use safe_read's return value as a pointer offset only after
ensuring that it is not SAFE_READ_ERROR (size_t)(-1).
Spotted by coverity.
Also, move declaration of "p" to be closer to first use.
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Before, we would use inotify in that case, which would work as long
as updates were taking place locally, but not at all when remote.
Move hard-coded list of known remote FS types into a more
maintainable table in stat.c, alongside the list of FS
names and magic numbers. Generate a new is_local_fs_type function.
* src/Makefile.am (fs-is-local.h): New rule, generated file.
* src/extract-magic: Revamp to parse local/remote keyword after
each magic number in src/stat.c's case statements.
Accept new --local option.
* src/.gitignore: Ignore the generated fs-is-local.h.
* src/tail.c [HAVE_INOTIFY]: Include fs-is-local.h.
(fremote) [HAVE_INOTIFY]: Use the new function in place of
the switch stmt with hard-coded list of FS types.
Emit a warning when processing a file on a file system of unknown type.
* NEWS (Changes in behavior): Mention it.
Suggested by Sven Breuner.
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* src/stat.c (human_fstype): Add a case: fhgfs, 0x19830326.
* src/tail.c (fremote): Add S_MAGIC_FHGFS.
* NEWS (Bug fixes): Update the entry for GPFS to mention FhGFS, too.
Reported by Sven Breuner.
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Because tail's fremote function did not designate GPFS as
a remote file system type, tail -f would mistakenly attempt
to use inotify, which cannot work with a remote file system.
* src/tail.c (fremote): List GPFS as a remote file system type.
* NEWS (Bug fixes): Mention it.
Reported in http://bugs.debian.org/646022.
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* src/tail.c (start_bytes): Increase *READ_POS (not READ_POS)
by the number of bytes read. This is a real bug that happens
to have no consequence in practice. First, this code is exercised
only when tailing-forever a non-regular file by bytes, and with a
start-relative offset, e.g., "mkfifo f; tail -f -c +3 f", but even
then, the invalid READ_POS value does not influence how tail works.
It is stored in the File_spec.size member, but that member is not
used at all in tail_forever_inotify, and in tail_forever, it is
used only when the File_spec refers to a regular file.
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* src/tail.c [HAVE_INOTIFY] (inotify_wd_mask): Declare static.
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* src/tail.c (tail_forever_inotify): Just as without inotify,
tail --follow=name now terminates when the last tailed-by-name file
is unlinked or moved aside. This bug was introduced on 2009-06-15
via commit ae494d4b, "tail: use inotify if it is available".
Reported by Tim Underwood in
http://thread.gmane.org/gmane.comp.gnu.coreutils.bugs/22286
* NEWS (Bug fixes): Mention this.
* tests/tail-2/follow-name: Test for this.
* tests/Makefile.am (TESTS): Add it.
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* doc/coreutils.texi (tail invocation): Mention it.
* src/tail.c (usage): Likewise.
(tail_forever_inotify): Clarify comment.
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