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* src/blake2/blake2-impl.h: Include endian.h. Use BYTE_ORDER and
LITTLE_ENDIAN instead of WORDS_BIGENDIAN.
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* src/blake2/b2sum.c: Do not include string.h, errno.h,
ctype.h, unistd.h, getopt.h.
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This modernizes the source code somewhat, to take advantage
of advances in GCC over the years, and Gnulib’s ‘assure’ module.
Include assure.h in files that now need it.
Do not include assert.h directly; it’s no longer needed.
* bootstrap.conf (gnulib_modules): Add ‘assure’.
* gl/lib/randread.c (randread_error):
* src/chmod.c (describe_change):
* src/chown-core.c (describe_change):
* src/cp.c (decode_preserve_arg):
* src/head.c (diagnose_copy_fd_failure):
* src/ls.c (parse_ls_color):
* src/od.c (decode_one_format):
* src/split.c (main):
* src/test.c (binary_operator, posixtest):
Prefer affirm to abort, since it has better diagnostics in the
normal case and better performance with -DNDEBUG.
* gl/lib/xdectoint.c, src/die.h: Include stddef.h, for unreachable.
* gl/lib/xdectoint.c: Do not include verify.h; no longer needed.
* gl/lib/xdectoint.c (__xnumtoint):
* src/die.h (die):
Prefer C23 unreachable () to assume (false).
* gl/lib/xfts.c (xfts_open):
* src/basenc.c (base32hex_encode):
* src/copy.c (abandon_move, copy_internal, valid_options):
* src/cut.c (cut_fields):
* src/df.c (alloc_field, decode_output_arg, get_dev):
* src/du.c (process_file, main):
* src/echo.c (usage):
* src/factor.c (udiv_qrnnd, mod2, gcd2_odd, factor_insert_large)
(mulredc2, factor_using_pollard_rho, isqrt2, div_smallq)
(factor_using_squfof):
* src/iopoll.c (iopoll_internal, fwrite_wait):
* src/join.c (add_field):
* src/ls.c (dev_ino_pop, main, gobble_file, sort_files):
* src/mv.c (do_move):
* src/od.c (decode_format_string, read_block, dump, main):
* src/remove.c (rm):
* src/rm.c (main):
* src/sort.c (stream_open):
* src/split.c (next_file_name, lines_chunk_split):
* src/stdbuf.c (main):
* src/stty.c (set_speed):
* src/tac-pipe.c (line_ptr_decrement, line_ptr_increment):
* src/touch.c (touch):
* src/tr.c (find_bracketed_repeat, get_next)
(validate_case_classes, get_spec_stats, string2_extend, main):
* src/tsort.c (search_item, tsort):
* src/wc.c (main):
Prefer affirm to assert, as it allows for better static
checking when compiling with -DNDEBUG.
* src/chown-core.c (change_file_owner):
* src/df.c (get_field_list):
* src/expr.c (printv, null, tostring, toarith, eval2):
* src/ls.c (time_type_to_statx, calc_req_mask, get_funky_string)
(print_long_format):
* src/numfmt.c (simple_strtod_fatal):
* src/od.c (decode_one_format):
* src/stty.c (mode_type_flag):
* src/tail.c (xlseek):
* src/tr.c (is_char_class_member, get_next, get_spec_stats)
(string2_extend):
Prefer unreachable () to abort () or assert (false) when merely
pacifying the compiler, e.g., in a switch statement on an enum
where all cases are covered.
* src/copy.c (valid_options): Now returns void; the bool was useless.
Caller no longer needs to assert.
* src/csplit.c (find_line):
* src/expand-common.c (next_file):
* src/shred.c (incname):
* src/sort.c (main):
* src/tr.c (append_normal_char, append_range, append_char_class)
(append_repeated_char, append_equiv_class):
* src/tsort.c (search_item):
Omit assert, since the hardware will check for us.
* src/df.c (header_mode): Now the enum type it should have been.
* src/du.c (process_file):
* src/ls.c (assert_matching_dev_ino):
* src/tail.c (valid_file_spec):
* src/tr.c (validate_case_classes):
Mark defns with MAYBE_UNUSED if they’re not used when -DNDEBUG.
* src/factor.c (prime_p, prime2_p, mp_prime_p): Now ATTRIBUTE_PURE.
Prefer affirm to error+abort. No need to translate this diagnostic.
* src/fmt.c (get_paragraph):
* src/stty.c (display_changed, display_all, sane_mode):
* src/who.c (idle_string):
Prefer assume to assert, since the goal is merely pacification
and assert doesn’t pacify anyway if -DNDEBUG is used.
* src/join.c (decode_field_spec):
Omit unreachable abort.
* src/ls.c (assert_matching_dev_ino, main):
* src/tr.c (get_next):
Prefer assure to assert, since the check is relatively expensive
and won’t help static analysis.
* src/ls.c (main):
Prefer static_assert to assert of a constant expression.
(format_inode): Redo to make it clear that buflen doesn’t matter,
and that buf must have a certain number of bytes. All callers changed.
This pacifies -Wformat-overflow.
* src/od.c (decode_one_format):
Omit an assert that tested for obviously undefined behavior,
as the compiler could optimize it away anyway.
* src/od.c (decode_one_format, decode_format_string):
Prefer ATTRIBUTE_NONNULL to runtime checking.
* src/stat.c: Do not include <stddef.h> since system.h does that now.
* src/sync.c (sync_arg):
Prefer unreachable () to assert (true), which was a typo.
* src/system.h: Include stddef.h, for unreachable.
* src/tail.c (xlseek): Simplify by relying on ‘error’ to exit.
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* bootstrap.conf (gnulib_modules): Add nullptr.
In code, prefer nullptr to NULL where either will do.
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* gl/lib/fadvise.h, gl/lib/smack.h, src/blake2/blake2-impl.h:
Do not include config.h from a .h file. config.h is supposed
to be included once, at the start of compilation and before
any other file.
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* gl/lib/mbsalign.c, gl/lib/randread.c, gl/lib/targetdir.h:
* gl/lib/xdectoint.c, gl/lib/xfts.c, gl/lib/xfts.h:
* src/blake2/b2sum.c, src/copy.h, src/die.h, src/system.h:
Don’t include <stdbool.h>, since Gnulib now emulates C23.
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Add _GL_ATTRIBUTE_NONNULL, _GL_ATTRIBUTE_MALLOC,
_GL_ATTRIBUTE_DEALLOC, _GL_ATTRIBUTE_DALLOC_FREE,
_GL_ATTRIBUTE_RETURNS_NONNULL to .h files when appropriate.
* gl/lib/mbsalign.h, gl/lib/randperm.h, src/chown-core.h:
Include stdlib.h, for the benefit of _GL_ATTRIBUTE_DALLOC_FREE.
* gl/lib/randread.c (randread_free_body): New static function.
(randread_new, randread_free): Use it.
* src/copy.c (valid_options): Remove assert that is no longer
needed because it is now checked statically.
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* src/blake2/blake2.h (BLAKE2_PACKED): Simplify, and port better
to older GCC, by using _GL_ATTRIBUTE_PACKED.
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This is so that commands like ‘fmt - -’ read from stdin
both times, even when it is a tty. Fix some other minor
issues that are related.
* src/blake2/b2sum.c (main):
* src/cksum.c (cksum):
* src/cut.c (cut_file):
* src/expand-common.c (next_file):
* src/fmt.c (fmt):
* src/fold.c (fold_file):
* src/md5sum.c (digest_file, digest_check):
* src/nl.c (nl_file):
* src/od.c (check_and_close):
* src/paste.c (paste_parallel, paste_serial):
* src/pr.c (close_file):
* src/sum.c (bsd_sum_file):
Use clearerr on stdin so that stdin can be read multiple times
even if it is a tty. Do not assume that ferror preserves errno as
POSIX does not guarantee this. Coalesce duplicate diagnostic
calls.
* src/blake2/b2sum.c (main):
* src/fmt.c (main, fmt):
Report read error, even if it's merely fclose failure.
* src/fmt.c: Include die.h.
(fmt): New arg FILE. Close input (reporting error) if not stdin.
All callers changed.
* src/ptx.c (swallow_file_in_memory): Clear stdin's EOF flag.
* src/sort.c (xfclose): Remove unnecessary feof call.
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* src/blake2/blake2-impl.h: Sync load16() implementation,
which doesn't change code generation.
Also leverage (builtin) memcpy to more efficiently
move data on little endian systems,
giving a 2% win with GCC 9.2.1 on an i3-2310M.
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Continue the fix for Bug#35650.
* src/blake2/blake2b-ref.c [HAVE_CONFIG_H]: Include <config.h>.
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* src/blake2/b2sum.c: Reorder source code to minimize diffs from:
https://github.com/BLAKE2/BLAKE2/blob/master/b2sum/b2sum.c
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Its support for the -include option is flaky. Problem reported by
Michael Osipov (Bug#35650). Plus, we could run into other
compilers that don’t support any option like -include. Change the
code so that -include is not needed. Although this causes us to
depart from the upstream version, we’re already doing that for
other reasons.
* configure.ac (USE_XLC_INCLUDE): Remove, as there’s no
guarantee a compiler will support something like -include.
* src/blake2/b2sum.c [HAVE_CONFIG_H]: Include <config.h>.
* src/local.mk (src_b2sum_CPPFLAGS): Add -DHAVE_CONFIG_H.
Do not use -include or a substitute.
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* src/blake2/blake2.h (BLAKE2_PACKED):
Don’t assume __attribute__ ((packed)) works on non-Microsoft
compilers. Instead, assume it works only if we have good
reason to assume so, and fall back on Microsoft (or not packing)
otherwise. In practice, not packing is good enough and the
BLAKE2_PACKED macro is mostly just for documentation.
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* src/blake2/blake2-impl.h: Don't use the equivalent explicit_bzero().
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* NEWS: Document this.
* bootstrap.conf (gnulib_modules): Add explicit_bzero.
* gl/lib/randint.c (randint_free):
* gl/lib/randread.c (randread_free):
* src/blake2/blake2-impl.h (secure_zero_memory):
* src/shred.c (dopass, do_wipefd):
Prefer explicit_bzero to memset when erasing secrets.
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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.
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