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* src/factor.c (factor_using_squfof) [USE_SQUFOF]:
Use plain assert (...), not IF_LINT (assert (...)).
This code is currently never compiled or executed,
so this is merely a symbolic cleanup.
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* src/expand.c (expand): Remove no-longer-needed IF_LINT.
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* src/env.c (unset_envvars): Remove IF_LINT code.
(main): Use main_exit, not return.
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* src/digest.c (digest_check): Remove IF_LINTs that are no longer
needed, as GCC has gotten smarter since 2008.
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* src/df.c (print_table, main) [lint]: Omit unnecessary cleanup.
(main): Use main_exit, not return.
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* src/date.c (main) [lint]: Omit unnecessary cleanup.
Use main_exit, not return.
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* src/cut.c (enum operating_mode, operating_mode)
(output_delimiter_specified, cut_stream):
Remove; no longer needed.
(output_delimiter_default): New static var. Code can now
use ‘output_delimiter_string != output_delimiter_default’
instead of ‘output_delimiter_specified’.
(cut_file): New arg CUT_STREAM. Caller changed.
(main): Simplify. Coalesce duplicate code. Redo to avoid need
for IF_LINT, or for the static var. No need to xstrdup optarg.
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* src/set-fields.c (reset_fields): Remove, as it’s not needed for
-fsanitize=leak even when ‘lint’ is defined. All uses removed.
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* src/cp.c (make_dir_parents_private): Remove IF_LINT code that is
no longer needed, as GCC has apparently gotten smarter since 2008.
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* src/chgrp.c, src/chown.c (main) [lint]: Omit unnecessary cleanup.
Use main_exit, not return.
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* src/basenc.c (finish_and_exit): New function.
(do_encode, do_decode): Use it. Accept new INFILE arg. Remove
no-longer-needed IF_LINT code. Exit when done. Caller changed.
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* src/test.c (get_mtime) [lint]: Omit ifdef lint code that is no
longer needed, as GCC has gotten smarter since 2005.
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Also, close a no-longer-needed file descriptor when falling
back from inotify.
* src/tail.c (tail_forever_inotify): Return void, not bool. Exit
on fatal error, or on successful completion. Accept an extra
argument pointing to a hash table that the caller should free on
non-fatal error; this simplifies cleanup. Don’t bother setting
errno when returning. Caller changed.
(main): Omit no-longer-needed IF_LINT code. Close inotify
descriptor if inotify fails; this fixes a file descriptor leak and
means we needn’t call inotify_rm_watch. Use main_exit, not return.
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* src/tac.c (main) [lint]: Omit unnecessary cleanup.
Use main_exit, not return.
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* src/shuf.c (main) [lint]: Omit unnecessary cleanup.
Use main_exit, not return.
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* src/numfmt.c (main) [lint]: Omit unnecessary cleanup.
Use main_exit, not return.
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* src/mktemp.c (main) [lint]: Omit unnecessary cleanup.
Use main_exit, not return.
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* src/dd.c (cleanup) [lint]: Omit unnecessary cleanup.
(main): Use main_exit, not return.
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* src/copy.c (dest_info_free, src_info_free) [lint]:
Remove. All uses removed.
(copy_internal): Pacify only Clang and Coverity; GCC doesn’t need it.
* src/cp-hash.c (forget_all) [lint]: Remove. All uses removed.
* src/cp.c, src/install.c, src/ln.c, src/mv.c (main):
Use main_exit, not return.
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* src/chmod.c (main): Use main_exit, not return.
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* src/yes.c (main): Use main_exit, not return.
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* src/tsort.c (detect_loop): Free removed successor.
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* src/sort.c (pipe_fork, keycompare, sort, main):
Remove lint code that no longer seems to be needed.
(sort): Unconditionally compile ifdef lint code that is needed
to free storage even when not linting.
(main): Use main_exit, not return.
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* src/split.c (lines_rr): New arg FILESP. All uses changed.
(main): Use main_exit, not return. Omit unnecessary alignfree.
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* src/ptx.c (unescape_string): Rename from copy_unescaped_string,
and unescape the string in place. Callers changed. This way,
we needn’t allocate storage and thus needn’t worry about
-fsanitizer=leak.
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* src/seq.c (seq_fast): If successful, exit rather than returning true.
Callers changed.
(main): Use main_exit, not return.
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* src/tsort.c (struct item.balance): Now signed char to save space.
(struct item.printed): New member.
(new_item): Initialize k->printed to false. Simplify via xzalloc.
(scan_zeros): Use k->printed rather than nulling out string.
(tsort): Move exiting code here ...
(main): ... from here.
(tsort) [lint]: Omit no-longer-needed code. Instead, set head->printed.
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* src/tr.c (main): Use main_exit, not return.
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* src/stat.c (main): Use main_exit, not return.
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* src/comm.c (compare_files): Move exiting code here ...
(main): ... from here, to pacify gcc -fsanitize=leak.
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This introduces a new macro main_exit, which is useful
for pacifying gcc -fsanitizer=lint and in some cases
means we can remove some ‘IF_LINT’ and ‘ifdef lint’ code.
* src/expr.c (main): Use main_exit, not return.
(docolon): Omit an IF_LINT that GCC no longer needs.
* src/system.h (main_exit): New macro.
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Use more constrained argument matching
to improve forward compatibility and robustness.
For example it's better that `cksum -a sha3` is _not_
equivalent to `cksum -a sha386`, so that a user
specifying `-a sha3` on an older cksum would not be surprised.
Also argmatch() is used when parsing tags from lines like:
SHA3 (filename) = abcedf....
so it's more robust that older cksum instances to fail
earlier in the parsing process, when parsing output from
possible future cksum implementations that might support SHA3.
* src/digest.c (algorithm_from_tag): Use argmatch_exact()
to ensure we don't match abbreviated algorithms.
(main): Likewise.
* tests/misc/cksum-a.sh: Add a test case.
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When the destination for mv is a directory, use functions like openat
to access the destination files, when such functions are available.
This should be more efficient and should avoid some race conditions.
Likewise for 'install'.
* src/cp.c (must_be_working_directory, target_directory_operand)
(target_dirfd_valid): Move from here ...
* src/system.h: ... to here, so that install and mv can use them.
Make them inline so GCC doesn’t complain.
* src/install.c (lchown) [HAVE_LCHOWN]: Remove; no longer needed.
(need_copy, copy_file, change_attributes, change_timestamps)
(install_file_in_file, install_file_in_dir):
New args for directory-relative names. All uses changed.
Continue to pass full names as needed, for diagnostics and for
lower-level functions that do not support directory-relative names.
(install_file_in_dir): Update *TARGET_DIRFD as needed.
(main): Handle target-directory in the new, cp-like way.
* src/mv.c (remove_trailing_slashes): Remove static var; now local.
(do_move): New args for directory-relative names. All uses changed.
Continue to pass full names as needed, for diagnostics and for
lower-level functions that do not support directory-relative names.
(movefile): Remove; no longer needed.
(main): Handle target-directory in the new, cp-like way.
* tests/install/basic-1.sh:
* tests/mv/diag.sh: Adjust to match new diagnostic wording.
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Problem reported by Sworddragon (Bug#51345).
* src/dd.c (cleanup): Synchronize output unless dd has been interrupted.
(synchronize_output): New function, split out from dd_copy.
Update conversions_mask so synchronization is done at most once.
(main): Do not die with the output file open, since we want to be
able to synchronize it before exiting. Synchronize output before
exiting.
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Problem reported by Sworddragon (Bug#51482).
* src/dd.c (reported_w_bytes): New var.
(print_xfer_stats): Set it.
(dd_copy): Print a final progress report if useful before
synchronizing output data.
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* src/cat.c (copy_cat): New function.
(main): Use it.
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* src/csplit.c: Prefer signed integers to unsigned for sizes
when either will do. Check for some unlikely overflows.
(INCR_SIZE): Remove; no longer used.
(free_buffer): Also free the arg, simplifying callers.
(get_new_buffer): Use xpalloc instead of computing new
size by hand. Add ATTRIBUTE_DEALLOC.
(delete_all_files, close_output_file):
If unlink fails with ENOENT, treat it as success.
(close_output_file): If unlink fails, decrement count anyway.
(parse_repeat_count, parse_patterns): Check for int overflow.
(check_format_conv_type): Use signed format.
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Use the new Gnulib modules alignalloc and xalignalloc
to simplify some memory allocation.
Also, fix some unlikely integer overflow problems.
* bootstrap.conf (gnulib_modules): Add alignalloc, xalignalloc.
* src/cat.c, src/copy.c, src/dd.c, src/shred.c, src/split.c:
Include alignalloc.h.
* src/cat.c (main):
* src/copy.c (copy_reg):
* src/dd.c (alloc_ibuf, alloc_obuf):
* src/shred.c (dopass):
* src/split.c (main):
Use alignalloc/xalignalloc/alignfree instead of doing page
alignment by hand.
* src/cat.c (main):
Check for integer overflow in page size calculations.
* src/dd.c (INPUT_BLOCK_SLOP, OUTPUT_BLOCK_SLOP, MAX_BLOCKSIZE):
(real_ibuf, real_obuf) [lint]:
Remove; no longer needed.
(cleanup) [lint]:
(scanargs): Simplify.
* src/ioblksize.h (io_blksize): Do not allow blocksizes largest
than the largest power of two that fits in idx_t and size_t.
* src/shred.c (PAGE_ALIGN_SLOP, PATTERNBUF_SIZE): Remove.
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* src/copy.c (copy_reg): Remove a ‘free’ call that does nothing
because its argument is always a null pointer, starting with
2007-11-1608:31:15Z!jim@meyering.net.
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Simplify byte-swapping, so that the code no longer needs to
allocate a page before the input buffer.
* src/dd.c (SWAB_ALIGN_OFFSET, char_is_saved, saved_char): Remove.
All uses removed.
(INPUT_BLOCK_SLOP): Simplify to just page_size.
(alloc_ibuf, dd_copy): Adjust to new swab_buffer API.
(swab_buffer): New arg SAVED_BYTE, taking the place of the old
global variables. Do not access BUF[-1].
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* src/dd.c: Prefer signed to unsigned types where either will do,
as this helps improve checking with gcc -fsanitize=undefined.
Limit the signed types to their intended ranges.
(MAX_BLOCKSIZE): Don’t exceed IDX_MAX - slop either.
(input_offset_overflow): Remove; overflow now denoted by negative.
(parse_integer): Return INTMAX_MAX on overflow, instead of unspecified.
Do not falsely report overflow for ‘00x99999999999999999999999999999’.
* tests/dd/misc.sh: New test for 00xBIG.
* tests/dd/skip-seek-past-file.sh: Adjust to new diagnostic wording.
New test for BIGxBIG.
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* src/cat.c: Prefer signed to unsigned types
where either will do, as they allow for better
overflow checking at runtime.
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* cat.c: Improve style a bit, mostly by assuming C99-style
declarations after statements
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* src/csplit.c (usage): Clarify that '+' prefix is optional on OFFSET.
* doc/coreutils.texi (csplit invocation): Likewise.
Fixes https://bugs.gnu.org/53574
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Gnulib now replaces copy_file_range on buggy hosts
so there is no need for Coreutils to worry about the bug.
* src/copy.c: Do not include sys/utsname.h, xstrtol.h.
(functional_copy_file_range): Remove. All uses now
simply call copy_file_range.
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Somehow ‘make check’ didn’t catch these the first few times.
* src/copy.c (copy_dir): Don’t pass null pointer to
copy_internal where it now expects non-null if move mode.
* src/cp.c (make_dir_parents_private): Initialize *attr_list
before recentely-added quick return.
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'cp A B' attempts to open B as a directory, to see whether to
write to B/A instead of to B. In the common case where the
open fails with ENOENT, do not bother to stat B afterwards
since the stat should also fail with ENOENT.
* src/copy.c (copy_internal, copy): Change bool arg about
nonexistent destination to a 3-way int argument. All callers changed.
(copy_internal): Do not bother to stat a destination already known
to not exist when following symlinks.
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When copying to a directory, use functions like openat to access
the destination files, when such functions are available. This
should be more efficient and should avoid some race conditions.
* bootstrap.conf (gnulib_modules): Add areadlinkat-with-size,
fchmodat, fchownat, mkdirat, mkfifoat, utimensat.
* src/copy.c (lchown) [!HAVE_LCHOWN]:
* src/copy.c, src/system.h (rpl_mkfifo, mkfifo) [!HAVE_MKFIFO]:
Remove. All uses removed.
(utimens_symlink): Remove; we shouldn’t have to worry about
those obsolete systems any more. All uses replaced by utimensat.
* src/copy.c (copy_dir, set_owner, fchmod_or_lchmod, copy_reg)
(same_file_ok, writable_destination, overwrite_ok, abandon_move)
(create_hard_link, src_is_dst_backup, copy_internal, copy):
* src/cp.c (make_dir_parents_private, re_protect):
New args for directory-relative names. All uses changed.
Continue to pass full names as needed, for diagnostics and for
lower-level functions like qset_acl that do not support
directory-relative names.
* src/copy.c (copy_reg): Prefer readlinkat to lstatat for merely
checking whether a file is a symlink, to avoid EOVERFLOW issues.
(subst_suffix): New function.
(create_hard_link): Accept a null SRC_NAME as meaning that if it
is needed it needs to be constructed from SRC_RELNAME, DST_NAME,
and DST_RELNAME.
(source_is_dst_backup): Use subst_suffix instead of doing it by hand.
(copy_internal): Remember and use directory-relative names instead
of full names.
* src/cp.c (lchown) [!HAVE_LCHOWN]: Remove. All uses removed.
(must_be_working_directory): New function.
(target_directory_operand): Simply take file name as arg,
and return a file descriptor or negative number on failure;
open with O_DIRECTORY to obtain any file descriptor.
All uses changed.
(target_dirfd_valid): New function.
(do_copy): Use these new functions to obtain a file descriptor
for any target directory, and use directory-relative names
for that directory.
(main): Omit no-longer-needed stat when --target-directory,
as do_copy now does this.
* src/ln.c (O_PATHSEARCH): Move from here ...
* src/system.h: ... to here.
* tests/cp/fail-perm.sh: Adjust to change in diagnostic wording,
and add a test for --no-target-directory.
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* src/cp.c (do_copy): Omit confusingly-named local new_dest, since
there’s another var new_dst that means something quite different.
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