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2015-10-27copy,dd: simplify and optimize NUL bytes detectionPádraig Brady
* src/factor.c: Move LIKELY() definition to... * src/system.h: ...here. (is_nul): Reimplement with a version that doesn't require a sentinel after the buffer, and which calls down to (the system optimized) memcmp. Performance analyzed at http://rusty.ozlabs.org/?p=560 * src/dd.c (alloc_obuf): Simplify the is_nul() call by not needing to write the sentinel. * src/copy.c (sparse_copy): Likewise. (copy_reg): Simplify the buffer allocation by avoiding consideration of the sentinel in the buffer size calculation.
2015-10-27all: quote string arguments in error messagesPádraig Brady
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.
2015-10-27md5sum: quote all printed file namesPádraig Brady
This is especially significant when using --check with files generated on a windows system, where the \r characters produce corrupted and confusing error messages. This also ensures status messages are output on a single line. * src/md5sum.c: Use quote() for printed file names. * tests/misc/md5sum.pl: Adjust accordingly. * NEWS: Mention the change in behavior. Fixes http://bugs.gnu.org/21757
2015-10-21ls: fix off by one error when determining max display columnsPádraig Brady
* src/ls.c (main): Account for the first column not including a separator when calculating max_idx. * tests/ls/w-option.sh: Add a test case. * NEWS: Mention the bug fix.
2015-10-21ls: allow -w0 to mean no limit on line lengthPádraig Brady
* src/ls.c (print_with_separator): Renamed from print_with_commas, and parameterized to accept the separator to print. Also fix an edge case where '\n' not printed when the POS variable overflows SIZE_MAX. (print_current_files): Degenerate -x and -C to using the cheaper print_with_separator() in the -w0 case. * doc/coreutils.texi (ls invocation): Document the new feature. * tests/ls/w-option.sh: A new test. * tests/local.mk: Reference the new test. * NEWS: Mention the improvement. Fixes http://bugs.gnu.org/21325
2015-10-19ls: detect terminal color support using glob patternsPádraig Brady
* src/ls.c (know_term_type): Corresponding to commit v8.24-48-gc249a5a, use fnmatch to inspect the dircolors database. Noticed due to failing tests/ls/color-{dtype-dir,term}.sh tests.
2015-10-19maint: fixes to support improved sc_tight_scopePádraig Brady
The gnulib provided sc_tight_scope target was ineffective, as it was checking against an invalid blank regular expression, and thus ignoring any extern function issues. This is now fixed up in gnulib, and so we need to fix our scoping issues before the next gnulib update. * cfg.mk: Setup and document the tight_scope config variables appropriately. * src/selinux.h: Since declared in *_SOURCES, use the two line form for the extern function declarations. * src/set-fields.h: Add the extern declarations, and since declared in noinst_HEADERS use the single line form.
2015-10-19factor: remove unreachable SQUFOF code at compile timePádraig Brady
It was a little confusing as to whether the SQUFOF algorithm was enabled, and in fact there were no options available to enable it. Therefore clarify the 3 configurable behaviors for the code to 3 defines at the top of the program, and only include the SQUFOF code if enabled at compile time. $ size src/factor-before text data bss 93997 1412 2504 $ size src/factor-after text data bss 87885 1404 2504 * src/factor.c: Only include the SQUFOF factor code when enabled via the USE_SQUFOF define. * doc/coreutils.texi (factor invocation): Update note about factor limits, as we can factor 128 bit numbers without GMP.
2015-10-19doc: reference shuf(1) from the sort (-R) man pagePádraig Brady
* man/sort.x: Cross reference with shuf(1). * src/sort.c (usage): Mention shuf(1) with -R option. Suggested in http://bugs.debian.org/641166
2015-10-16maint: avoid uniq.c warning from bleeding-edge gcc's -Wstrict-overflowJim Meyering
* src/uniq.c (main): Make the type of "nfiles" unsigned, to avoid a brand new warning from a gcc I built from today's sources (gcc version 6.0.0 20151015 (experimental) (GCC)): src/uniq.c:523:14: error: assuming signed overflow does not occur \ when simplifying conditional to constant [-Werror=strict-overflow] if (nfiles == 2) ^
2015-10-16dircolors: support globbing of TERM entriesPádraig Brady
* src/dircolors.c (dc_parse_stream): Support globbing of TERM entries, to allow entries like "TERM *256color*" for example. * src/dircolors.hin: Reduce the internal list with globbing. * tests/misc/dircolors.pl: New test cases. * NEWS: Mention the improvement.
2015-10-12tail: no longer warn about unrecognized file systemsPádraig Brady
* 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.
2015-10-06csplit: remove erroneous mention of -m in --helpPádraig Brady
* src/csplit.c (usage): -m is not accepted, only --suppress-matched. * tests/misc/csplit-suppress-matched.pl: Spelling fix. Reported by Ondrej Oprala
2015-10-03tee: simplify argv handlingPaul Eggert
* src/tee.c (tee_files): Last arg is now char ** instead of char const **, as that is a bit simpler. All callers changed. Modify files[-1], not files[nfiles], as that is a bit faster and simpler. Latter problem pointed out by Rainer Deyke in: http://bugs.gnu.org/21611
2015-10-03build: Pacify GCC 5 on 32-bit hostsPaul Eggert
This pacifies GCC 5 in a better way, without disabling diagnostics. * src/df.c (main): Tell compiler that optind is positive. * src/shred.c (known): New function. (dopass): Go back to off_t for file sizes. Avoid integer overflow if we run off the end of the file. Tell compiler that a write cannot write more bytes than requested.
2015-10-03tail: handle kernel dentry unlink racePádraig Brady
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
2015-10-03build: avoid -Wstrict-overflow warnings with GCC 5.1 on 32 bitPádraig Brady
* src/shred.c (dopass): With -O2, GCC 5.1 gives "assuming signed overflow does not occur when simplifying conditional to constant" warnings, in regard to the signed (off_t) variables. Therefore use unsigned (uintmax_t) instead, and a separate boolean to cater for the special meaning of the negative part of the integer range. Noticed at http://hydra.nixos.org/build/24983447
2015-10-02dircolors: add xterm-termite entryDario Giovannetti
* src/dircolors.hin: Add "xterm-termite" as this VTE based terminal emulator is quite different from xterm, despite the name. For example "Termite supports italic text and it won't work if TERM is set to xterm. Even the backspace key won't work properly anymore for applications relying on terminfo". Reported also by Lukas Sabota and Sven-Hendrik Haase.
2015-09-23df: prioritize mounts nearer the device rootDave Chiluk
In the presence of bind mounts of a device, the 4th "mount root" field from /proc/self/mountinfo is now considered, so as to prefer mount points closer to the root of the device. Note on older systems with an /etc/mtab file, the source device was listed as the originating directory, and so this was not an issue. Details at http://pad.lv/1432871 * src/df.c (filter_mount_list): When deduplicating mount entries, only prefer sources nearer or at the root of the device, when the target is nearer the root of the device. * NEWS: Mention the change in behavior.
2015-09-22maint: avoid deprecation warning with <selinux/flask.h>Pádraig Brady
* src/runcon.c (main): As per the compile time warning from libselinux-2.4-3, lookup the class with string_to_security_class(), rather than using defines from flask.h.
2015-09-22sort,numfmt: with --debug, diagnose failure to set localePádraig Brady
* src/sort.c (main): With --debug, warn upon setlocale() failure, which can happen due to incorrectly specified environment variables, or due to memory exhaustion (simulated with ulimit -v), etc. * tests/misc/sort-debug-warn.sh: Add a test case. See also http://savannah.gnu.org/bugs/11004
2015-09-18du: avoid to stat all mount points if possibleBernhard Voelker
du calls stat for each mount point at startup. This would block or even make du fail if stat for an unrelated mount point hangs. The result is not needed in the normal case anyway and therefore should be avoided. Issue introduced in commit v8.19-2-gcf7e1b5. * src/du.c (fill_mount_table): Move function up as it's not used ... (mount_point_in_fts_cycle): ... here, i.e., the DI_MNT set is initialized and filled only iff FTS has detected a directory cycle. (main): Remove the initialization and filling of the DI_MNT set here, and free the DI_MNT set only if it was used.
2015-09-12numfmt: use new set-fields module to parse --fieldAssaf Gordon
numfmt --field=LIST can accept the same options as cut. * bootstrap.conf: remove xlist, linked-list * src/local.mk: link numfmt with set-fields * src/numfmt.c: use set-fields.c instead of custom field parsing code. (include_field): adapt to new code. * tests/misc/numfmt.pl: add new tests, adapt current tests to new error message wording from set-fields.c
2015-09-12cut: refactor into set-fields moduleAssaf Gordon
Extract the functionality of parsing --field=LIST into a separate module, to be used by other programs. * src/cut.c: move field parsing code from here ... * src/set-fields.{c,h}: ... to here. (set_fields): generalize by supporting multiple parsing/reporting options. (struct range_pair): rename to field_range_pair. * src/local.mk: link cut with set-field. * po/POTFILES.in: add set-field.c * tests/misc/cut.pl: update wording of error messages
2015-09-08maint: fix heap manipulations in previous commitPádraig Brady
* src/sort.c (main): Ensure we don't free() and invalid pointer when reading implicit stdin. Also avoid "definitely lost" valgrind warnings in the --files0-from case.
2015-09-04maint: avoid "definitely lost" valgrind warningsPádraig Brady
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.
2015-09-03ls,ptx: restrict quotearg use to file name outputPádraig Brady
* src/ls.c (getenv_quoting_style, decode_switches, parse_ls_color): Use quote() rather than quotearg(), as the latter defaults to outputting the input unquoted. * src/ptx.c (main): Likewise.
2015-09-03base64: no longer support hex or oct --wrap paramsPádraig Brady
* src/base64.c (main): Support decimal numbers with leading zeros, by disabling the auto detection of octal and hex. It's not envisaged that base conversion is needed for --wrap parameters, and in the edge case it is, $((0x0)) shell constructs can be used. * tests/misc/base64.pl: Adjust accordingly. * NEWS: Mention the change in behavior.
2015-09-03base64: use stricter validation on wrap columnPádraig Brady
* src/base64.c (main): Use the higher level xnumtoumax() rather than xstrtoumax(), which is simpler and improves validation of input. Also pass the _empty_ rather than NULL string as the suffixes parameter so that invalid trailing characters are not allowed. For example -w08 is now flagged as an error, rather than being interpreted as 0. A subsequent commit will further improve verification of numbers with leading zeros by dropping backwards compatibility wrt auto parsing oct and hex numbers. * tests/misc/base64.pl: Add tests for invalid wrap values.
2015-09-03base32: A new program similar to base64Pádraig Brady
Suggested in https://bugzilla.redhat.com/1250113 * AUTHORS: Add base32. * THANKS.in: Add suggester. * README: Reference the new program. * NEWS: Mention the new program. * src/.gitignore: Ignore the new binary. * bootstrap.conf: Reference the gnulib base32 module. * build-aux/gen-lists-of-programs.sh: Add base32. * man/base32.x: A new template. * man/.gitignore: Ignore the new man page. * man/local.mk: Reference the new man page. * doc/coreutils.texi (base32 invocation): Document the new command. * src/local.mk: Adjust to build base32 based on base64.c. * src/base64.c: Parameterize to use the correct headers, functions and buffer sizes, depending on which binary is being built. * tests/misc/base64.pl: Adjust to test both base32 and base64. * tests/misc/tty-eof.pl: Add base32 as a program that accepts input on stdin without any options specified. * scripts/git-hooks/commit-msg: Add base32 to the template.
2015-08-31doc: clarify in --help/man where short options take no paramPádraig Brady
* src/shred.c (usage): For -u, separate the decscription of the short and long option, to clarify that the short option takes no parameter. * src/split.c (usage): Likewise for -d. * src/tee.c (usage): Likewise for -p. * src/uniq.c (usage): Likewise for -D. Suggested by Stephane Chazelas
2015-08-22ls: allow -w18446744073709551616Paul Eggert
Problem reported by Beco in: http://bugs.gnu.org/21325 * src/ls.c (set_line_length): New function. (decode_switches): Use it to decode COLUMNS and -w.
2015-07-23build: fprintftime/nstrftime API changesPaul Eggert
* bootstrap.conf (gnulib_modules): Add time_rz, since the main source code now uses timezone_t. * src/date.c (batch_convert, main, show_date): * src/ls.c (align_nstrftime, long_time_expected_width) (print_long_format): * src/stat.c (human_time): Use timezone_t rather than boolean to specify which time zone is wanted. * src/ls.c (localtz): New static var. (main): Initialize it.
2015-07-22doc: discourage use of uname -i and -p optionsPádraig Brady
* src/uname.c (usage): State that the non POSIX -i and -p options are non-portable. * doc/coreutils.texi (uname invocation): Mention the discrepancies even across GNU/Linux distros, and that the results should be used as informational only, rather than impacting any logic decisions. Fixes http://bugs.gnu.org/13001
2015-07-15doc: improve man page for realpath -mPádraig Brady
* src/realpath.c (usage): Mention 'directory' in the --help output, so that ENOTDIR errors may be more easily investigated, by inspecting the man page. Reported at http://pad.lv/1474519
2015-07-15sync: fix build with separate $(LIB_FDATASYNC)Peter Bray
* src/local.mk: Link with $(LIB_FDATASYNC) needed on some Solaris 10 systems for example. Fixes http://bugs.gnu.org/21059
2015-07-09dircolors: add tmux entriesPádraig Brady
* src/dircolors.hin: tmux entries were added to ncurses in: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff;\ f=misc/terminfo.src;h=ce9bdc3b;hp=7e576ef1;hb=be512fa0;hpb=ee1bcda2
2015-07-07shred: fix pattern selection for certain iteration countsPádraig Brady
This was detected in about 25% of runs with gcc -fsanitize=address ERROR: AddressSanitizer: global-buffer-overflow on address ... READ of size 4 at 0x000000416628 thread T0 #0 0x40479f in genpattern src/shred.c:782 #1 0x4050d9 in do_wipefd src/shred.c:921 #2 0x406203 in wipefile src/shred.c:1175 #3 0x406b84 in main src/shred.c:1316 #4 0x7f3454a1ef9f in __libc_start_main (/lib64/libc.so.6+0x1ff9f) #5 0x4025d8 (/tmp/coreutils-8.23/src/shred+0x4025d8) 0x000000416628 is located 56 bytes to the left of global variable '*.LC49' from 'src/shred.c' (0x416660) of size 17 0x000000416628 is located 12 bytes to the right of global variable 'patterns' from 'src/shred.c' (0x416540) of size 220 SUMMARY: AddressSanitizer: global-buffer-overflow src/shred.c:782 * src/shred.c (gen_patterns): Restrict pattern selection to the K available, which regressed due to v5.92-1462-g65533e1. * tests/misc/shred-passes.sh: Add a deterministic test case. * NEWS: Mention the bug fix. Fixes http://bugs.gnu.org/20998
2015-07-02wc: fix reading of /proc files on aarch64Pádraig Brady
tests/misc/wc-proc.sh fails when the page size is 64K * src/wc.c (wc): The lseek adjustment should be based on st_blksize, rather than on the internal buffer size. This is significant on aarch64 where st_blksize in /proc is the 64K (the page size) and thus larger than the internal buffer. * src/split.c (main): Even though the similar processing is done on the internal buffer size, that's based on st_blksize and so fine in this regard. Add an assert to enforce this. Avoid this path for the undocumented ---io-blksize option.
2015-07-01numfmt: increase precision on 32 bit FreeBSDPádraig Brady
* m4/jm-macros.m4 (HAVE_FPSETPREC): Define if needed. * src/numfmt.c (main): Call fpsetprec() if needed. Fixes large-15 and large-16 test failures on 32 bit FreeBSD.
2015-07-01factor: ensure atomic output through pipesPádraig Brady
The new tests/misc/factor-parallel.sh test was seen to fail on FreeBSD (derived) systems, which was due to split(1) --filter reading partial lines through pipes, as factor(1) was writing a little over PIPE_BUF each time. * src/factor.c (lbuf): A new structure to internally buffer lines. (lbuf_alloc): A new function to allocate enough at program start. (lbuf_putint): A new function to buffer a uintmax_t. (lbuf_flush): A new function to write directly to standard output. (lbuf_putc): A new function to buffer a character and if enough lines are buffered, then output complete lines <= PIPE_BUF, and continue to buffer the rest. (main): Call the internal buffer allocator, and register the final flush from the internal buffer at program exit.
2015-06-29maint: stdbuf.c: avoid the OS X putenv functionJim Meyering
* bootstrap.conf (gnulib_modules): Add setenv, to make this module dependency explicit; setenv is also used by split. * src/stdbuf.c (set_LD_PRELOAD) [__APPLE__]: Use the OS X setenv function, rather than putenv, per that documentation: https://developer.apple.com/\ library/mac/documentation/Darwin/Reference/ManPages/man3/putenv.3.html
2015-06-29build: numfmt.c: avoid a shadowing warningJim Meyering
* src/numfmt.c (parse_field_arg): Rename parameter s/optarg/arg/, to avoid shadowing getopt's global variable. Otherwise, building on OS X, with --enable-gcc-warnings, I saw this: In file included from src/numfmt.c:19:0: src/numfmt.c: In function 'parse_field_arg': ./lib/config.h:3109:25: error: declaration of 'rpl_optarg' shadows\ a global declaration [-Werror=shadow]
2015-06-29numfmt: fix printf argument orderAssaf Gordon
* src/numfmt.c (double_to_human): Fix the argument order passed to snprintf, which happened to work on amd64 with its separate va_arg storage area for floats¹, but would fail tests for example on i686. ¹ https://blog.nelhage.com/2010/10/amd64-and-va_arg/
2015-06-28maint: clarify df's use of device IDs from /proc/self/mountinfoPádraig Brady
* src/df.c (filter_mount_list): Clarify why we still stat even though devices IDs may already be available. Note using /proc/self/mountinfo is still an advantage to get filtered items with accurate device patchs in chroots and with bind mounts. I.E. on older setups with static /etc/mtab, df will now bypass that to get the more accuracte and dynamic info.
2015-06-26chroot: quote argument in error diagnosticPádraig Brady
* src/chroot.c (main): Quote the passed argument, to avoid confusing error messages.
2015-06-25maint: clarify integer operations in recent commitPádraig Brady
* src/factor.c (print_uintmaxes): Comment that the value of n_out doesn't matter on error, and add an explicit cast to avoid any future warnings. Suggested by Jim Meyering RE commit v8.23-229-g4d2d6c5
2015-06-25build: allow build to complete with -fsanitize=addressPádraig Brady
* src/make-prime-list.c (main): When building with the above option, avoid this build stopping error: "LeakSanitizer: detected memory leaks"
2015-06-24maint: avoid undefined behavior in qsort callPádraig Brady
GCC 5.1.1 -fsanitize=undefined with glibc 2.21 is returning: "runtime error: null pointer passed as argument 1, which is declared to never be null" * src/ptx.c (sort_found_occurs): Avoid the call with no entries.
2015-06-24factor: avoid interspersed lines for parallel runsPádraig Brady
* src/factor.c (n_out): A new global variable to track how much data has been written to stdout. (print_factors_single): Use n_out to determine whether to flush the current (and previous) lines. * tests/misc/factor-parallel.sh: Add a new test. * tests/local.mk: Reference the new test. * NEWS: Mention the bug fix.