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* src/cut.c (set_fields): When computing the maximum range endpoint,
take into consideration the start of any unbounded range, like "999-".
* NEWS (Bug fixes): Mention it.
* tests/misc/cut (big-unbounded-b,c,f): Add tests.
Reported by Paul Marinescu in http://debbugs.gnu.org/7993
The bug was introduced on 2004-12-04 via commit 7380cf79.
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Upon failed lseek, sparse_copy_finalize would mistakenly return true.
Admittedly, that is very unlikely, since that particular lseek
is attempted only if the preceding call to sparse_copy induced
a hole at EOF (via lseek on the destination FD). However, now
that sparse_copy has an output parameter, N_READ, there is no
longer any reason to call lseek (fd, 0, SEEK_CUR), so...
* src/copy.c (sparse_copy_finalize): Remove the function.
(copy_reg): Call ftruncate with n_read, rather than
sparse_copy_finalize with its now-unnecessary lseek.
Lasse Collin spotted the bug in sparse_copy_finalize.
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* src/extent-scan.c (extent_scan_read) [!linux]: Always set
scan->initial_scan_failed so caller knows not to report the failure.
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This case was overlooked in commit bdde34f9, 2010-08-05,
"sort: tune and refactor --debug code, and fix minor underlining bug"
* src/sort.c (debug_key): Don't adjust the key end when
it's before the key start.
* tests/misc/sort-debug-keys: Add a test case.
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* src/copy.c (write_zeros): This bug caused 4 or 8 bytes to
be written at a time which is very inefficient. One could
trigger the issue with `cp --sparse=never sparse non-sparse`
on a file system that supports fiemap.
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* src/copy.c (extent_copy): Otherwise it would be used uninitialized.
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The recent FIEMAP-related changes made it so the unusual case of
copying a sparse file to a non-regular destination (e.g., a pipe)
would erroneously write one byte too many to that destination.
That happened because extent_copy assumed that it could use lseek
to obtain the number of bytes written to the output file descriptor.
That was valid only for regular files.
* src/copy.c (sparse_copy): Add a parameter, to be used by extent_copy,
but not by reg_copy. Adjust callers.
(extent_copy): Maintain new local, dest_pos, using new arg, n_read.
Don't call lseek on dest_fd; use new var, dest_pos, instead.
(copy_reg): Add unused arg.
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* src/copy.c: Don't include "fiemap.h".
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* src/extent-scan.h: Update copyright year list.
* src/extent-scan.c: Likewise.
* tests/cp/sparse-fiemap: Likewise.
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Don't use "#ifdef EINTR". dd.c has been doing that since 2004.
* src/copy.c (sparse_copy): Remove #ifdef...#endif around EINTR use.
* src/tee.c (tee_files): Remove #ifdef...#endif around EINTR use.
If we need it, add something like this in system.h:
/* When EINTR is not defined, define it to an improbable value
so that each use does not have to be #ifdef'd. */
#ifndef EINTR
# define EINTR 999988
#endif
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* src/copy.c (extent_copy): Before this change, extent_copy would fail
to create holes, thus breaking --sparse=auto and --sparse=always.
I.e., copying a large enough file of all zeros, cp --sparse=always
should introduce a hole, but with extent_copy, it would not.
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* src/copy.c (sparse_copy): Remove now-obsolete comment about
how we used to work around lack of ftruncate. Combine nested
if conditions into one.
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we're going to have to use it from within extent_copy, too.
* src/copy.c (sparse_copy): New function, factored out of...
(copy_reg): ...here.
Remove now-unused locals.
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* src/copy.c (extent_copy): Don't leak an extent_scan buffer on
failed lseek, read, or write.
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* src/copy.c (extent_copy): Don't let what should have been a
temporary reduction of buf_size (to handle a short ext_len) become
permanent and thus impact the performance of all further iterations.
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* src/copy.c (extent_copy): Avoid duplication in post-loop
extend-to-desired-length code.
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(extent_copy): Rename locals: s/*ext_logical/*ext_start/
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* src/copy.c (copy_reg): Move use of extent_scan to just *after*
we allocate the main copying buffer, so we can...
(extent_scan): Take a new parameter, BUF, and use that rather
than allocating a private buffer. Update caller.
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* src/copy.c (copy_reg): Rename a variable to make more sense from
caller's perspective: s/require_normal_copy/normal_copy_required/.
This is an output-only variable, and the original name could make
it look like an input (or i&o) variable.
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so that we benefit from using extents also when reading a sparse
input file with --sparse=never.
* src/copy.c (copy_reg): Remove erroneous test of "make_holes"
so that we call extent_copy also when make_holes is false.
Otherwise, what's the point of that parameter?
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* src/copy.c (copy_reg): Remove useless else-after-goto.
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* src/extent-scan.h [struct extent_scan]: Rename member:
s/hit_last_extent/hit_final_extent/. "final" is clearer,
since "last" can be interpreted as "preceding".
Rename extent-scan functions to start with extent_scan_.
* src/Makefile.am (copy_sources): Also distribute extent-scan.h.
* src/extent-scan.c: Don't include error.h or quote.h. Neither is used.
* src/copy.c: shorten a comment to fit in 80 columns
* src/extent-scan.c, src/extent-scan.h: Correct formatting.
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* src/copy.c (write_zeros): Add comments.
(extent_copy): Move decls of "ok" and "i" down to scope where used.
Adjust comments.
Rename local: s/holes_len/hole_size/
Print a diagnostic upon failure to write zeros.
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Changes:
========
1. fix write_zeros() per Jim's comments.
2. remove char const *fname from struct extent_scan.
3. change the signature of open_extent_scan() from
"void open_extent_scan(struct extent_scan **scan)" to
"void open_extent_scan(struct extent_scan *scan)" to avoid having
to malloc the extent_scan variable; instead save it on the stack.
4. move close_extent_scan() from a function defined in extent-scan.c
to extent-scan.h as a macro definition, but it does nothing for now,
since initial extent scan defined at stack.
5. add a macro "free_extents_info()" defined at extent-scan.h to
release the memory allocated to extent info which should be called
combine with get_extents_info(), it just one line, so IMHO, define
it as macro should be ok.
* src/extent-scan.c: New file; functions to read "extents".
* src/extent-scan.h: Header file of extent-scan.c.
* src/Makefile.am: Reference it and link it to copy_source.
* src/copy.c: Use the new functions and avoid double-free.
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* src/Makefile.am (noinst_HEADERS): Add fiemap.h.
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* src/copy.c (fiemap_copy): Force kernel to sync the source
file before mapping.
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* src/fiemap.h: Include stdint.h, not linux/types.h,
now that this file uses only portable type names.
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* src/copy.c (fiemap_copy): Ensure that our fiemap buffer
is large enough and well-aligned.
Replace "0LL" with equivalent "0" as 3rd argument to lseek.
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* src/copy.c (fiemap_copy): Rename from fiemap_copy_ok.
Add/improve comments.
Remove local, "fail".
(fiemap_copy): Do not require caller to set
"normal_copy_required" before calling fiemap_copy.
Report ioctl failure if it's the 2nd or subsequent call.
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* src/fiemap.h: Add fiemap.h for fiemap ioctl(2) support. Copied
from linux's include/linux/fiemap.h, with minor formatting changes.
* src/copy.c (copy_reg): Now, when `cp' is invoked with --sparse=[WHEN],
we will try to do FIEMAP-copy if the underlying file system
supports it, and fall back to a normal copy if it fails.
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This allows one to use join as a field extractor like:
join -a1 -o 1.3,1.1 - /dev/null
* src/join.c (join): Don't flag unpairable lines when
one of the files is empty.
* tests/misc/join: Add a new test for empty input, and adjust
a previous test that was only checking against empty input.
* doc/coreutils.texi (join invocation): Document the change.
* NEWS: Likewise.
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* src/join.c: Skip the header even if one of the files is empty.
* tests/misc/join: Add a test case.
* NEWS: Mention the fix
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Lines with a different number of fields than the first line,
will be truncated or padded.
* src/join.c (prfields): A new function refactored from prjoin(),
to output all but the join field.
(prjoin): Don't swap line1 and line2 when line1 is blank
so that the padding is applied to the right place.
(main): Handle the -o 'auto' option.
* tests/misc/join: Add 6 new cases to test the auto format.
* NEWS: Mention the change in behavior.
Suggestion from Assaf Gordon
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* src/split.c (lines_rr) [IF_LINT]: Initialize files, now that
rawhide's gcc-4.6.0 would otherwise warn about use-uninitialized.
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* src/tail.c (fremote): Do not print a diagnostic when
fstatfs (pipe_FD, &buf) fails, as it now does on linux-2.3.38.
This avoids the spurious failure of tests/misc/tail's f-pipe-1
test, when running in input-from-pipe mode.
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* src/uniq.c (find_field): Remove the byte-skipping loop altogether.
Instead, perform the simple calculation. This results in a 10%
performance improvement for large byte offsets.
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* NEWS (Bug fixes): Mention it.
* src/uniq.c (find_field): Stop processing loop when end of line
is reached. Before this fix, 'uniq -f 10000000000 /etc/passwd'
would run for a very long time.
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* bootstrap.conf: Add the read-file module
* src/ptx.c: Replace the original code which would
needlessly read SIZE_MAX bytes of files larger than this.
* src/shuf.c: Replace the original code.
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* src/system.h: Note where it should be included, and
make ordering check portable to GLIBC > 2
* src/copy.c: Move <sys/ioctl.h> along with other system headers
as is done elsewhere.
* src/install.c: Move <sys/wait.h> along with other system headers
as is done elsewhere.
* src/ptx.c: Include <regex.h> rather than "regex.h" as
is done elsewhere. Note <regex.h> is kept after "system.h"
as per commit dba300a0.
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* src/remove.c (nonexistent_file_errno): Also skip EINVAL and
EILSEQ, for at least smbfs rejection of '*' in file names.
* NEWS: Mention the fix.
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* NEWS (Bug fixes): Mention it.
* src/du.c (prev_level): Move declaration "up" to file-scope global.
(du_files): Reset prev_level to 0 upon abnormal fts_read termination.
Reported by Johathan Nieder in http://bugs.debian.org/609049
Also, improve a diagnostic.
* tests/du/move-dir-while-traversing: Test for the above.
* tests/Makefile.am (TESTS): Add it.
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* src/pr.c (char_to_clump): Remove a dead store.
* src/remove.c (fts_skip_tree): Likewise.
* src/sort.c (key_warnings): Likewise.
(sort): Suppress an uninitialized pointer warning.
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* gnulib: Update for enhanced ignore_value()
* src/chcon.c (process_file): Don't use the deprecated ignore_ptr.
* src/chmod.c (process_file): Likewise.
* src/chown-core.c (change_file_owner): Likewise.
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Run "make update-copyright".
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* src/split.c (set_suffix_length): Only auto-calculate
the suffix length when the number of files is specified.
* tests/misc/split-a: Add a case to trigger the bug,
and exercise the suffix length auto-calculation.
* NEWS: Mention the fix.
Reported by Dmitry V. Levin and Sergey Vlasov at
https://bugzilla.altlinux.org/show_bug.cgi?id=24841
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* cfg.mk (LINE_LEN_MAX, FILTER_LONG_LINES): New macros.
(sc_long_lines): New rule.
* HACKING: Use shorter URLs to the same material.
* doc/Makefile.am, doc/coreutils.texi, m4/boottime.m4:
* man/help2man, man/stdbuf.x, src/Makefile.am, src/cat.c, src/copy.c:
* src/cp.c, src/dd.c, src/df.c, src/du.c, src/groups.c, src/install.c:
* src/ls.c, src/md5sum.c, src/mv.c, src/od.c, src/pinky.c, src/ptx.c:
* src/readlink.c, src/remove.c, src/rmdir.c, src/setuidgid.c:
* src/sort.c, src/tail.c, src/touch.c, tests/Coreutils.pm:
* tests/cp/existing-perm-race, tests/cp/perm, tests/cp/preserve-gid:
* tests/du/2g, tests/du/long-from-unreadable, tests/init.sh:
* tests/install/basic-1, tests/ls/nameless-uid:
* tests/ls/readdir-mountpoint-inode, tests/misc/chroot-credentials:
* tests/misc/cut, tests/misc/date, tests/misc/join, tests/misc/md5sum:
* tests/misc/sha1sum, tests/misc/sha224sum, tests/misc/sort:
* tests/misc/sort-continue, tests/misc/sort-files0-from:
* tests/misc/sort-rand, tests/misc/stdbuf, tests/misc/tr:
* tests/misc/uniq, tests/mv/atomic, tests/mv/part-fail:
* tests/mv/part-symlink, tests/mv/sticky-to-xpart, tests/pr/pr-tests:
* tests/rm/fail-2eperm, tests/rm/interactive-always:
Reformat to fit within 80 columns.
* doc/Makefile.am (BAD_POSIX_PERL): New macro.
* doc/coreutils.texi: Reword slightly, to make menus and
index lines shorter.
* src/md5sum.c: Redo --help output so that it fits within 79
columns, since that's a bit more portable and all the other --help
strings fit in 79 columns.
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* src/getlimits.c: Don't include "c-ctype.h"; no longer used.
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* src/csplit.c (create_output_file): Detect overflow when the
file counter wraps around, and exit with a diagnostic. Formerly
the code silently wrapped around and wrote to the wrong file,
losing output data.
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* src/sort.c (main): Don't invoke num_processors twice.
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* src/getlimits.c (decimal_ascii_add): Remove, replacing with ...
(decimal_absval_add_one): New function, with different signature,
which does not assume ASCII. All callers changed.
(print_int): Remove assumptions that integers fit in 206 bits, and
that characters are ASCII. These assumptions are portable in
practice but are easy to remove here.
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