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main(): Process new option. Replace input_numbers_option_used()
with a local variable. Re-organize argument processing.
usage(): Describe the new option.
(write_random_numbers): A new function to generate a
permutation of the specified input range with repetition.
(write_random_lines): Likewise for stdin and --echo.
(write_permuted_numbers): New function refactored from
write_permuted_output().
(write_permuted_lines): Likewise.
* tests/misc/shuf.sh: Add tests for --repetitions option.
* doc/coreutils.texi: Mention --repetitions, add examples.
* TODO: Mention an optimization to avoid needing to
read all of the input into memory with --repetitions.
* NEWS: Mention new shuf option.
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* src/df.c: Adjust indentation and spacing with has
gotten quite out of line in a couple of places.
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* src/df.c (filter_mount_list): Initialize devlist->dev_num correctly
when unable to stat() a mount point. This will avoid possible invalid
deduplication done on the list due to use of uninitialized memory.
* tests/df/skip-duplicates.sh: Ensure this code path is exercised.
Also refactor the test to be table driven.
* NEWS: Mention the bug fix.
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* src/uptime.c (uptime): Free utmp_buf returned from read_utmp,
to avoid a "definitely lost" warning from valgrind.
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* src/stat.c (long_options): Remove the "context" option as it's
no longer referenced since commit v8.5-65-g13f3237
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* src/mkdir.c (main): Move the variable ret and issuing the error
message into the body of the scontext-related if-block.
* src/mkfifo.c (main): Likewise.
* src/mknod.c (main): Likewise.
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Consolidate all smack routines and checks in a module.
We replace and wrap the most commonly used smack routines,
which allows removing ifdefs throughout the code.
* gl/lib/smack.h: A new header containing the implementation
of the wrapped and replacement routines. Note the is_smack_enabled()
routine should be optimized out at compile time when compiled
on a system without libsmack.
* gl/modules/smack: Describe the new module and move the
configure time code here from ...
* m4/jm-macros.m4: ... here.
* bootstrap.conf: Reference the new module.
* src/id.c: Use the routines without ifdefs where possible.
* src/ls.c: Likewise.
* src/mkdir.c: Likewise.
* src/mkfifo.c: Likewise.
* src/mknod.c: Likewise.
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* src/id.c (main): Be consistent with the SELinux case,
and only show errors in getting the security context
when -Z is specified.
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Enable creation of SMACK security context with -Z command-line switch
if SMACK is enabled.
* mkdir.c (main): Set process security context to given SMACK label.
* mkfifo.c (main): Likewise.
* mknod.c (main): Likewise.
* src/local.mk: link mk{dir, fifo, nod} with libsmack.
* NEWS: Mention the new feature.
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Enable showing of file SMACK security with '-Z' command-line switch
if SMACK is enabled. Showing SMACK context of a file does not strictly
require SMACK to be enabled but this required to make choice whether to
show SELinux or SMACK security context.
* src/ls.c (getfilecon_cache): Retrieve SMACK context if available.
(gobble_file): Handle SMACK context similarly to SELinux context.
* src/local.mk: Link lsl with libsmack.
* NEWS: Mention the new feature.
* .mailmap: Merge the Author's 2 email addresses.
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This is consistent with the documented interface and
avoids any ambiguity in a user thinking that stdbuf without options
might reset to a "standard" buffering setup.
* src/stdbuf.c (set_libstdbuf_options): Indicate with the return value
whether any env variables were actually set.
(main): Fail unless some env variables were set.
* tests/misc/stdbuf.sh: Ensure this constraint is enforced.
* NEWS: Mention the small change in behavior.
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* src/truncate.c (usage): Mention that --size is in bytes which
is by far the most common usage.
* doc/coreutils.texi (truncate invocation): Likewise. Also cross
reference the --io-blocks option.
Reported in http://bugs.gnu.org/14686
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There was slight change to libsmack such that positive values are
reserved for returning length of the label for smack_new_label_from_*
functions.
* m4/jm-macros.m4: Set HAVE_SMACK when both smack_new_label_from_self()
and recently added smack_new_label_from_path() are present.
The latter's presence indicates the newer API of the former.
* src/id.c (main): Check that smack_new_label_from_self() < 0,
and not just non-zero.
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* src/getlimits.c (print_float): Adjust to use the ftoastr module,
which uses the appropriate precision so that no info is lost.
* cfg.mk (sc_prohibit_continued_string_alpha_in_column_1): Exclude od.c
fixes http://bugs.gnu.org/14650
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* src/du.c (usage): Clarify that --separate-dirs doesn't exclude
all directories.
* doc/coreutils.texi (du invocation): Avoid implying that -S
excludes the size of any non directory entries for a directory.
Also don't mention st_size as it's dependent on --apparent-size.
Reported by C de-Avillez in <https://launchpad.net/bugs/1187044>
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src/date.c (usage): Make -u apparent in searches for UTC.
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* src/od.c (PRINT_FIELDS): Declare "i" to be of type uintmax_t, so that
the numerator in the expression for "next_pad" does not overflow.
(print_named_ascii): Likewise.
(print_ascii): Likewise.
Bug introduced via commit v6.12-42-g20c0b87.
* tests/misc/od.pl: Exercise each of the three affected code paths.
* NEWS (Bug fixes): Mention it.
Reported by Rich Burridge.
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* src/stat.c (print_stat): Omit unnecessary calls to setpwent, setgrent.
Problem reported by Fridolín Pokorný in <http://bugs.gnu.org/14462>.
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* src/split.c (line_bytes_split): Rewrite to only buffer
when necessary. I.E. only increase the buffer when we've
already lines output in a split and we encounter a line
larger than the input buffer size, in which case a hold
buffer will be increased in increments of the input buffer size.
(lines_rr): Use the more abstract xalloc_die() just like
we did in line_bytes_split(), rather than explicitly
printing the "memory exhausted" message and exiting.
* tests/split/line-bytes.sh: Add a new test for this
function which previously had no test coverage.
* tests/local.mk: Reference the new test.
* NEWS: Mention the improvement.
Fixes http://bugs.gnu.org/13537
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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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This fixes Bug#14371, reported by Killer Bassist.
* NEWS: Document this.
* src/mkdir.c (struct mkdir_options): Remove member ancestor_mode.
New member umask_value. All uses changed.
* src/mkdir.c (make_ancestor): Fix umask assumption.
* src/mkdir.c, src/mkfifo.c, src/mknod.c (main):
Leave umask alone. This requires invoking lchmod after creating
the file, which introduces a race condition, but this can't be
avoided on hosts with "POSIX" default ACLs, and there's no easy
way with network file systems to tell what kind of host the
directory is on.
* tests/local.mk (all_tests): Add tests/mkdir/p-acl.sh.
* tests/mkdir/p-acl.sh: New file.
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Adds an optional dependency on libsmack.
* m4/jm-macros.m4: Look for the smack library/header.
* src/id.c (main): Output the smack context if available.
* src/local.mk: Link with libsmack if available.
* NEWS: Mention the new feature.
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Use a sentinel value that's checked implicitly, rather than
a bit array, to determine if an item should be output.
Benchmark results for this change are:
$ yes abcdfeg | head -n1MB > big-file
$ for c in orig sentinel; do
src/cut-$c 2>/dev/null
echo -ne "\n== $c =="
time src/cut-$c -b1,3 big-file > /dev/null
done
== orig ==
real 0m0.049s
user 0m0.044s
sys 0m0.005s
== sentinel ==
real 0m0.035s
user 0m0.032s
sys 0m0.002s
## Again with --output-delimiter ##
$ for c in orig sentinel; do
src/cut-$c 2>/dev/null
echo -ne "\n== $c =="
time src/cut-$c -b1,3 --output-delimiter=: big-file > /dev/null
done
== orig ==
real 0m0.106s
user 0m0.103s
sys 0m0.002s
== sentinel ==
real 0m0.055s
user 0m0.052s
sys 0m0.003s
eol_range_start: Removed. 'n-' is no longer treated specially,
and instead SIZE_MAX is set for the 'hi' limit, and tested implicitly.
complement_rp: Used to complement 'rp' when '--complement' is specified.
ADD_RANGE_PAIR: Macro renamed to 'add_range_pair' function.
* tests/misc/cut-huge-range.sh: Adjust to the SENTINEL value.
Also remove the overlapping range test as this is no longer
dependent on large ranges and also is already handled with
the EOL-subsumed-3 test in cut.pl.
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This issue was introduced in commit v8.21-43-g3e466ad
* src/cut.c (set_fields): Process all range pairs when merging.
* tests/misc/cut-huge-range.sh: Add a test for this edge case.
Also fix an issue where we could miss reported errors due
to truncation of the 'err' file.
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Ensure appropriate functions are inlined. This was seen to
be required with gcc 4.6.0 with -O2 on x86_64 at least.
It was reported that gcc 4.8.0 did inline these functions though.
Also reinstate the bit vector for the common case,
to further improve performance.
Benchmark results for both aspects of this change are:
$ yes abcdfeg | head -n1MB > big-file
$ for c in orig inline inline-array; do
src/cut-$c 2>/dev/null
echo -ne "\n== $c =="
time src/cut-$c -b1,3 big-file > /dev/null
done
== orig ==
real 0m0.088s
user 0m0.081s
sys 0m0.007s
== inline ==
real 0m0.070s
user 0m0.060s
sys 0m0.009s
== inline-array ==
real 0m0.049s
user 0m0.044s
sys 0m0.005s
* src/cut.c (set_fields): Set up the printable_field bit vector
for performance, but only when it's appropriate. I.E. not
when either --output-delimeter or huge ranges are specified.
(next_item): Ensure it's inlined and avoid unnecessary processing.
(print_kth): Ensure it's inlined and add a branch for the fast path.
Related to http://bugs.gnu.org/13127
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print_kth() is the central function of cut used to
determine if an item is to be output or not,
so simplify it by moving some logic outside.
Benchmark results for this change are:
$ yes abcdfeg | head -n1MB > big-file
$ for c in orig split; do
src/cut-$c 2>/dev/null
echo -ne "\n== $c =="
time src/cut-$c -b1,3 big-file > /dev/null
done
== orig ==
real 0m0.111s
user 0m0.108s
sys 0m0.002s
== split ==
real 0m0.088s
user 0m0.081s
sys 0m0.007s
* src/cut.c (print_kth): Refactor a branch to outside the function.
Related to http://bugs.gnu.org/13127
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The current implementation of cut, uses a bit array,
an array of `struct range_pair's, and (when --output-delimiter
is specified) a hash_table. The new implementation will use
only an array of `struct range_pair's.
The old implementation is memory inefficient because:
1. When -b with a big num is specified, it allocates a lot of
memory for `printable_field'.
2. When --output-delimiter is specified, it will allocate 31 buckets.
Even if only a few ranges are specified.
Note CPU overhead is increased to determine if an item is to be printed,
as shown by:
$ yes abcdfeg | head -n1MB > big-file
$ for c in with-bitarray without-bitarray; do
src/cut-$c 2>/dev/null
echo -ne "\n== $c =="
time src/cut-$c -b1,3 big-file > /dev/null
done
== with-bitarray ==
real 0m0.084s
user 0m0.078s
sys 0m0.006s
== without-bitarray ==
real 0m0.111s
user 0m0.108s
sys 0m0.002s
Subsequent patches will reduce this overhead.
* src/cut.c (set_fields): Set and initialize RP
instead of printable_field.
* src/cut.c (is_range_start_index): Use CURRENT_RP rather than a hash.
* tests/misc/cut.pl: Check if `eol_range_start' is set correctly.
* tests/misc/cut-huge-range.sh: Rename from cut-huge-to-eol-range.sh,
and add a test to verify large amounts of mem aren't allocated.
Fixes http://bugs.gnu.org/13127
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The StorNext distributed file system was previously known as CVFS.
* src/stat.c (human_fstype): Add new file system ID definition.
* NEWS: Mention the improvement.
Fixes http://bugs.gnu.org/14251
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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/head.c (elide_tail_bytes_pipe): Don't use calloc as that
bypasses memory overcommit due to the zeroing requirement.
Also realloc rather than malloc the pointer array to avoid
dependence on overcommit entirely.
* tests/misc/head-c.sh: Add a test case.
Fixes http://bugs.gnu.org/13530
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* src/dd.c: Add new static global variable ibuf.
(alloc_ibuf, alloc_obuf): New functions factored from dd_copy().
(dd_copy): Call the new functions to allocate memory for
ibuf and obuf when necessary.
(skip): Likewise.
* tests/dd/no-allocate.sh: New test.
* tests/local.mk: Reference the test.
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With --suppress-matched, the lines that match the pattern will not be
printed in the output files. I.E. the first line from the second
and subsequent splits will be suppressed.
* src/csplit.c: process_regexp(),process_line_count(): Don't output the
matched lines. Since csplit includes "up to but not including" matched
lines in each split, the first line (in the next group) is the matched
line - so just skip it.
main(): Handle new option.
usage(): Mention new option.
* doc/coreutils.texi (csplit invocation): Mention new option, examples.
* tests/misc/csplit-suppress-matched.pl: New test script.
* tests/local.mk: Reference the new test.
* NEWS: Mention new feature.
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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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* src/shuf.c (main): If -n0 specified then no data would ever be output,
so exit without reading input.
* tests/misc/shuf.sh: Augment the related test with this case.
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Don't dereference an existing symlink being replaced.
I.E. generate the symlink relative to the symlink's containing dir,
rather than to some arbitrary place it points to.
* src/ln.c (convert_abs_rel): Don't consider the final component
of the symlink name when canonicalizing, as we want to avoid
dereferencing the final component.
* tests/ln/relative.sh: Add a test case.
* NEWS: Mention the fix.
Resolves http://bugs.gnu.org/14116
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Reservoir sampling optimizes selecting K random lines from large or
unknown-sized input: http://en.wikipedia.org/wiki/Reservoir_sampling
Note this also avoids reading any input when -n0 is specified.
* src/shuf.c (main): Use reservoir-sampling when the number of output
lines is known, and the input size is large or unknown.
(input_size): A new function to get the input size for regular files.
(read_input_reservoir_sampling): New function to read lines from input,
keeping only K lines in memory, replacing lines with decreasing prob.
(write_permuted_output_reservoir): New function to output reservoir.
* tests/misc/shuf-reservoir.sh: An expensive_ test using valgrind to
exercise the reservoir-sampling code.
* tests/local.mk: Reference new test.
* NEWS: Mention the improvement.
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* src/stat.c (human_fstype): Add new file system ID definitions.
* NEWS: Mention the improvement.
Fixes http://bugs.gnu.org/14020
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* README-release: fix the `make` command, and mention how
to get the latest results without requring running a
system with the latest kernel.
* src/local.mk (src/fs-latest-magic.h): A new target to
document how/where to place the latest magic header.
(src/fs-kernel-magic): Adjust to include separately
downloaded header if available.
(src/fs-magic): Undefine MANPAGER as it may impact the
ability to pipe the output of man(1).
(fs-magic-compare): Don't echo the commands run as they're
distracting from the output which needs to be examined.
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* src/od.c (usage): Mention any printable character is output,
Not just ASCII.
* doc/coreutils.texi (od invocation): Further clarify that only
single byte characters are output (due to the alignment requirement).
Also mention the fact that 3 digit octal sequences are output
for non printable characters without a corresponding C escape.
Reported in http://bugs.gnu.org/13947
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* src/stat.c (usage): Mention that the values are only
defined for character and block special files.
* doc/coreutils.texi (stat invocation): Likewise.
Also mention st_rdev.
Reported in http://bugs.gnu.org/13927
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* src/longlong.h (__aarch64__): Make add_ssaaaa and sub_ddmmss work.
* NEWS: Mention the build fix.
Reported at https://bugzilla.redhat.com/917735
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* src/uniq.c (usage): Summarize the new option,
and adjust the --all-repeated option to be more consistent.
(check_file): Merge the --group functionality into
the core loop for the default uniq operation since
it's very similar and can output lines immediately upon reading.
(main): Handle the new --group option and make it
mutually exclusive with other selection options.
* tests/misc/uniq.pl: Add tests.
* NEWS: Mention the new feature.
* doc/coreutils.texi (uniq invocation): Describe --group.
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* src/system.h (emit_ancillary_info): Link to the bug report email
addresses and general help URLs online rather than specifying directly.
This give us greater scope to present better info like describing
the difference between bug-coreutils@gnu.org and coreutils@gnu.org etc.
* tests/misc/help-version.sh: Remove the check for bug-coreutils@gnu.org
* tests/local.mk: Remove the no longer needed PACKAGE_BUGREPORT.
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* src/dircolors.hin: Add an entry for arc. Suggested in:
https://bugs.launchpad.net/ubuntu/+source/coreutils/+bug/1088131
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* NEWS: Mention join's new option: --zero-terminated (-z).
* src/join.c: Add new option, --zero-terminated (-z), to make
join use the NUL byte as separator/delimiter rather than newline.
(get_line): Use readlinebuffer_delim in place of readlinebuffer.
(main): Handle the new option.
(usage): Describe new option the same way sort does.
* doc/coreutils.texi (join invocation): Describe the new option.
* tests/misc/join.pl: add tests for -z option.
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* src/dircolors.hin: Add .cab, .alz, .lzo, .lrz, .t7z, .tzo, .lha
to colorized archives.
Suggested by Ville Skyttä in https://bugzilla.redhat.com/868510
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* src/install.c (strip): Indicate failure with a return code instead
of terminating the program.
(install_file_in_file): Handle strip's return code and unlink the
created file if necessary.
* tests/install/strip-program.sh: Add a test to cover the changes.
* NEWS (Bug fixes): Mention the fix.
Reported by John Reiser in http://bugzilla.redhat.com/632444.
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* src/copy.c (copy_reg): Check ROOT_UID rather than 0,
which is significant on HP-NonStop.
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