1 ///////////////////////////////////////////////////////////////////////////////
4 /// \brief Printing messages to stderr
6 // Copyright (C) 2007-2008 Lasse Collin
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Lesser General Public
10 // License as published by the Free Software Foundation; either
11 // version 2.1 of the License, or (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Lesser General Public License for more details.
18 ///////////////////////////////////////////////////////////////////////////////
22 #ifdef HAVE_SYS_TIME_H
23 # include <sys/time.h>
28 # define _WIN32_WINNT 0x0500
36 /// Name of the program which is prefixed to the error messages.
37 static const char *argv0;
39 /// Number of the current file
40 static unsigned int files_pos = 0;
42 /// Total number of input files; zero if unknown.
43 static unsigned int files_total;
46 static enum message_verbosity verbosity = V_WARNING;
48 /// Filename which we will print with the verbose messages
49 static const char *filename;
51 /// True once the a filename has been printed to stderr as part of progress
52 /// message. If automatic progress updating isn't enabled, this becomes true
53 /// after the first progress message has been printed due to user sending
54 /// SIGALRM. Once this variable is true, we will print an empty line before
55 /// the next filename to make the output more readable.
56 static bool first_filename_printed = false;
58 /// This is set to true when we have printed the current filename to stderr
59 /// as part of a progress message. This variable is useful only if not
60 /// updating progress automatically: if user sends many SIGALRM signals,
61 /// we won't print the name of the same file multiple times.
62 static bool current_filename_printed = false;
64 /// True if we should print progress indicator and update it automatically.
65 static bool progress_automatic;
67 /// This is true when a progress message was printed and the cursor is still
68 /// on the same line with the progress message. In that case, a newline has
69 /// to be printed before any error messages.
70 static bool progress_active = false;
72 /// Expected size of the input stream is needed to show completion percentage
73 /// and estimate remaining time.
74 static uint64_t expected_in_size;
76 /// Time when we started processing the file
77 static double start_time;
79 /// The signal handler for SIGALRM sets this to true. It is set back to false
80 /// once the progress message has been updated.
81 static volatile sig_atomic_t progress_needs_updating = false;
86 static HANDLE timer_queue = NULL;
87 static HANDLE timer_timer = NULL;
91 timer_callback(PVOID dummy1 lzma_attribute((unused)),
92 BOOLEAN dummy2 lzma_attribute((unused)))
94 progress_needs_updating = true;
99 /// Emulate alarm() on Windows.
101 my_alarm(unsigned int seconds)
103 // Just in case creating the queue has failed.
104 if (timer_queue == NULL)
107 // If an old timer_timer exists, get rid of it first.
108 if (timer_timer != NULL) {
109 (void)DeleteTimerQueueTimer(timer_queue, timer_timer, NULL);
113 // If it fails, tough luck. It's not that important.
114 (void)CreateTimerQueueTimer(&timer_timer, timer_queue, &timer_callback,
115 NULL, 1000U * seconds, 0,
116 WT_EXECUTEINTIMERTHREAD | WT_EXECUTEONLYONCE);
123 #define my_alarm alarm
125 /// Signal handler for SIGALRM
127 progress_signal_handler(int sig lzma_attribute((unused)))
129 progress_needs_updating = true;
135 /// Get the current time as double
141 // This really shouldn't fail. I'm not sure what to return if it
142 // still fails. It doesn't look so useful to check the return value
143 // everywhere. FIXME?
144 if (gettimeofday(&tv, NULL))
147 return (double)(tv.tv_sec) + (double)(tv.tv_usec) / 1.0e9;
151 /// Wrapper for snprintf() to help constructing a string in pieces.
152 static void lzma_attribute((format(printf, 3, 4)))
153 my_snprintf(char **pos, size_t *left, const char *fmt, ...)
157 const int len = vsnprintf(*pos, *left, fmt, ap);
160 // If an error occurred, we want the caller to think that the whole
161 // buffer was used. This way no more data will be written to the
162 // buffer. We don't need better error handling here.
163 if (len < 0 || (size_t)(len) >= *left) {
175 message_init(const char *given_argv0)
177 // Name of the program
180 // If --verbose is used, we use a progress indicator if and only
181 // if stderr is a terminal. If stderr is not a terminal, we print
182 // verbose information only after finishing the file. As a special
183 // exception, even if --verbose was not used, user can send SIGALRM
184 // to make us print progress information once without automatic
186 progress_automatic = isatty(STDERR_FILENO);
188 // Commented out because COLUMNS is rarely exported to environment.
189 // Most users have at least 80 columns anyway, let's think something
190 // fancy here if enough people complain.
192 if (progress_automatic) {
193 // stderr is a terminal. Check the COLUMNS environment
194 // variable to see if the terminal is wide enough. If COLUMNS
195 // doesn't exist or it has some unparseable value, we assume
196 // that the terminal is wide enough.
197 const char *columns_str = getenv("COLUMNS");
198 if (columns_str != NULL) {
200 const long columns = strtol(columns_str, &endptr, 10);
201 if (*endptr != '\0' || columns < 80)
202 progress_automatic = false;
208 timer_queue = CreateTimerQueue();
211 # define SA_RESTART 0
213 // Establish the signal handler for SIGALRM. Since this signal
214 // doesn't require any quick action, we set SA_RESTART.
216 sigemptyset(&sa.sa_mask);
217 sa.sa_flags = SA_RESTART;
218 sa.sa_handler = &progress_signal_handler;
219 if (sigaction(SIGALRM, &sa, NULL))
220 message_signal_handler();
228 message_verbosity_increase(void)
230 if (verbosity < V_DEBUG)
238 message_verbosity_decrease(void)
240 if (verbosity > V_SILENT)
248 message_set_files(unsigned int files)
255 /// Prints the name of the current file if it hasn't been printed already,
256 /// except if we are processing exactly one stream from stdin to stdout.
257 /// I think it looks nicer to not print "(stdin)" when --verbose is used
258 /// in a pipe and no other files are processed.
262 if (!current_filename_printed
263 && (files_total != 1 || filename != stdin_filename)) {
266 // If a file was already processed, put an empty line
267 // before the next filename to improve readability.
268 if (first_filename_printed)
271 first_filename_printed = true;
272 current_filename_printed = true;
274 // If we don't know how many files there will be due
275 // to usage of --files or --files0.
276 if (files_total == 0)
277 fprintf(stderr, "%s (%u)\n", filename,
280 fprintf(stderr, "%s (%u/%u)\n", filename,
281 files_pos, files_total);
291 message_progress_start(const char *src_name, uint64_t in_size)
293 // Store the processing start time of the file and its expected size.
294 // If we aren't printing any statistics, then these are unused. But
295 // since it is possible that the user tells us with SIGALRM to show
296 // statistics, we need to have these available anyway.
297 start_time = my_time();
299 expected_in_size = in_size;
301 // Indicate the name of this file hasn't been printed to
303 current_filename_printed = false;
305 // Start numbering the files starting from one.
308 // If progress indicator is wanted, print the filename and possibly
309 // the file count now. As an exception, if there is exactly one file,
310 // do not print the filename at all.
311 if (verbosity >= V_VERBOSE && progress_automatic) {
312 // Print the filename to stderr if that is appropriate with
313 // the current settings.
316 // Start the timer to set progress_needs_updating to true
317 // after about one second. An alternative would to be set
318 // progress_needs_updating to true here immediatelly, but
319 // setting the timer looks better to me, since extremely
320 // early progress info is pretty much useless.
328 /// Make the string indicating completion percentage.
330 progress_percentage(uint64_t in_pos)
332 // If the size of the input file is unknown or the size told us is
333 // clearly wrong since we have processed more data than the alleged
334 // size of the file, show a static string indicating that we have
335 // no idea of the completion percentage.
336 if (expected_in_size == 0 || in_pos > expected_in_size)
339 static char buf[sizeof("99.9 %")];
341 // Never show 100.0 % before we actually are finished (that case is
342 // handled separately in message_progress_end()).
343 snprintf(buf, sizeof(buf), "%.1f %%",
344 (double)(in_pos) / (double)(expected_in_size) * 99.9);
351 progress_sizes_helper(char **pos, size_t *left, uint64_t value, bool final)
354 // At maximum of four digits is allowed for exact byte count.
356 my_snprintf(pos, left, "%'" PRIu64 " B", value);
360 // At maximum of five significant digits is allowed for KiB.
361 if (value < UINT64_C(10239900)) {
362 my_snprintf(pos, left, "%'.1f KiB",
363 (double)(value) / 1024.0);
368 // Otherwise we use MiB.
369 my_snprintf(pos, left, "%'.1f MiB",
370 (double)(value) / (1024.0 * 1024.0));
375 /// Make the string containing the amount of input processed, amount of
376 /// output produced, and the compression ratio.
378 progress_sizes(uint64_t compressed_pos, uint64_t uncompressed_pos, bool final)
380 // This is enough to hold sizes up to about 99 TiB if thousand
381 // separator is used, or about 1 PiB without thousand separator.
382 // After that the progress indicator will look a bit silly, since
383 // the compression ratio no longer fits with three decimal places.
387 size_t left = sizeof(buf);
389 // Print the sizes. If this the final message, use more reasonable
390 // units than MiB if the file was small.
391 progress_sizes_helper(&pos, &left, compressed_pos, final);
392 my_snprintf(&pos, &left, " / ");
393 progress_sizes_helper(&pos, &left, uncompressed_pos, final);
395 // Avoid division by zero. If we cannot calculate the ratio, set
396 // it to some nice number greater than 10.0 so that it gets caught
397 // in the next if-clause.
398 const double ratio = uncompressed_pos > 0
399 ? (double)(compressed_pos) / (double)(uncompressed_pos)
402 // If the ratio is very bad, just indicate that it is greater than
403 // 9.999. This way the length of the ratio field stays fixed.
405 snprintf(pos, left, " > %.3f", 9.999);
407 snprintf(pos, left, " = %.3f", ratio);
413 /// Make the string containing the processing speed of uncompressed data.
415 progress_speed(uint64_t uncompressed_pos, double elapsed)
417 // Don't print the speed immediatelly, since the early values look
418 // like somewhat random.
422 static const char unit[][8] = {
428 size_t unit_index = 0;
430 // Calculate the speed as KiB/s.
431 double speed = (double)(uncompressed_pos) / (elapsed * 1024.0);
433 // Adjust the unit of the speed if needed.
434 while (speed > 999.9) {
436 if (++unit_index == ARRAY_SIZE(unit))
437 return ""; // Way too fast ;-)
440 static char buf[sizeof("999.9 GiB/s")];
441 snprintf(buf, sizeof(buf), "%.1f %s", speed, unit[unit_index]);
446 /// Make a string indicating elapsed or remaining time. The format is either
447 /// M:SS or H:MM:SS depending on if the time is an hour or more.
449 progress_time(uint32_t seconds)
451 // 9999 hours = 416 days
452 static char buf[sizeof("9999:59:59")];
454 // Don't show anything if the time is zero or ridiculously big.
455 if (seconds == 0 || seconds > ((UINT32_C(9999) * 60) + 59) * 60 + 59)
458 uint32_t minutes = seconds / 60;
462 const uint32_t hours = minutes / 60;
464 snprintf(buf, sizeof(buf),
465 "%" PRIu32 ":%02" PRIu32 ":%02" PRIu32,
466 hours, minutes, seconds);
468 snprintf(buf, sizeof(buf), "%" PRIu32 ":%02" PRIu32,
476 /// Make the string to contain the estimated remaining time, or if the amount
477 /// of input isn't known, how much time has elapsed.
479 progress_remaining(uint64_t in_pos, double elapsed)
481 // If we don't know the size of the input, we indicate the time
483 if (expected_in_size == 0 || in_pos > expected_in_size)
484 return progress_time((uint32_t)(elapsed));
486 // If we are at the very beginning of the file or the file is very
487 // small, don't give any estimate to avoid far too wrong estimations.
488 if (in_pos < (UINT64_C(1) << 19) || elapsed < 8.0)
491 // Calculate the estimate. Don't give an estimate of zero seconds,
492 // since it is possible that all the input has been already passed
493 // to the library, but there is still quite a bit of output pending.
494 uint32_t remaining = (double)(expected_in_size - in_pos)
495 * elapsed / (double)(in_pos);
499 return progress_time(remaining);
504 message_progress_update(uint64_t in_pos, uint64_t out_pos)
506 // If there's nothing to do, return immediatelly.
507 if (!progress_needs_updating || in_pos == 0)
510 // Print the filename if it hasn't been printed yet.
513 // Calculate how long we have been processing this file.
514 const double elapsed = my_time() - start_time;
516 // Set compressed_pos and uncompressed_pos.
517 uint64_t compressed_pos;
518 uint64_t uncompressed_pos;
519 if (opt_mode == MODE_COMPRESS) {
520 compressed_pos = out_pos;
521 uncompressed_pos = in_pos;
523 compressed_pos = in_pos;
524 uncompressed_pos = out_pos;
529 // Print the actual progress message. The idea is that there is at
530 // least three spaces between the fields in typical situations, but
531 // even in rare situations there is at least one space.
532 fprintf(stderr, " %7s %43s %11s %10s\r",
533 progress_percentage(in_pos),
534 progress_sizes(compressed_pos, uncompressed_pos, false),
535 progress_speed(uncompressed_pos, elapsed),
536 progress_remaining(in_pos, elapsed));
538 // Updating the progress info was finished. Reset
539 // progress_needs_updating to wait for the next SIGALRM.
541 // NOTE: This has to be done before my_alarm() call or with (very) bad
542 // luck we could be setting this to false after the alarm has already
544 progress_needs_updating = false;
546 if (progress_automatic) {
547 // Mark that the progress indicator is active, so if an error
548 // occurs, the error message gets printed cleanly.
549 progress_active = true;
551 // Restart the timer so that progress_needs_updating gets
552 // set to true after about one second.
555 // The progress message was printed because user had sent us
556 // SIGALRM. In this case, each progress message is printed
568 message_progress_end(uint64_t in_pos, uint64_t out_pos, bool success)
570 // If we are not in verbose mode, we have nothing to do.
571 if (verbosity < V_VERBOSE || user_abort)
574 // Cancel a pending alarm, if any.
575 if (progress_automatic) {
577 progress_active = false;
580 const double elapsed = my_time() - start_time;
582 uint64_t compressed_pos;
583 uint64_t uncompressed_pos;
584 if (opt_mode == MODE_COMPRESS) {
585 compressed_pos = out_pos;
586 uncompressed_pos = in_pos;
588 compressed_pos = in_pos;
589 uncompressed_pos = out_pos;
592 // If it took less than a second, don't display the time.
593 const char *elapsed_str = progress_time((double)(elapsed));
597 // When using the auto-updating progress indicator, the final
598 // statistics are printed in the same format as the progress
600 if (progress_automatic && in_pos > 0) {
601 // Using floating point conversion for the percentage instead
602 // of static "100.0 %" string, because the decimal separator
603 // isn't a dot in all locales.
604 fprintf(stderr, " %5.1f %% %43s %11s %10s\n",
606 progress_sizes(compressed_pos, uncompressed_pos, true),
607 progress_speed(uncompressed_pos, elapsed),
610 // When no automatic progress indicator is used, don't print a verbose
611 // message at all if we something went wrong and we couldn't produce
612 // any output. If we did produce output, then it is sometimes useful
613 // to tell that to the user, especially if we detected an error after
614 // a time-consuming operation.
615 } else if (success || out_pos > 0) {
616 // The filename and size information are always printed.
617 fprintf(stderr, "%s: %s", filename, progress_sizes(
618 compressed_pos, uncompressed_pos, true));
620 // The speed and elapsed time aren't always shown.
621 const char *speed = progress_speed(uncompressed_pos, elapsed);
622 if (speed[0] != '\0')
623 fprintf(stderr, ", %s", speed);
625 if (elapsed_str[0] != '\0')
626 fprintf(stderr, ", %s", elapsed_str);
638 vmessage(enum message_verbosity v, const char *fmt, va_list ap)
640 if (v <= verbosity) {
643 // If there currently is a progress message on the screen,
644 // print a newline so that the progress message is left
645 // readable. This is good, because it is nice to be able to
646 // see where the error occurred. (The alternative would be
647 // to clear the progress message and replace it with the
649 if (progress_active) {
650 progress_active = false;
654 fprintf(stderr, "%s: ", argv0);
655 vfprintf(stderr, fmt, ap);
666 message(enum message_verbosity v, const char *fmt, ...)
670 vmessage(v, fmt, ap);
677 message_warning(const char *fmt, ...)
681 vmessage(V_WARNING, fmt, ap);
684 set_exit_status(E_WARNING);
690 message_error(const char *fmt, ...)
694 vmessage(V_ERROR, fmt, ap);
697 set_exit_status(E_ERROR);
703 message_fatal(const char *fmt, ...)
707 vmessage(V_ERROR, fmt, ap);
717 message_fatal(_("Internal error (bug)"));
722 message_signal_handler(void)
724 message_fatal(_("Cannot establish signal handlers"));
729 message_strm(lzma_ret code)
733 return _("No integrity check; not verifying file integrity");
735 case LZMA_UNSUPPORTED_CHECK:
736 return _("Unsupported type of integrity check; "
737 "not verifying file integrity");
740 return strerror(ENOMEM);
742 case LZMA_MEMLIMIT_ERROR:
743 return _("Memory usage limit reached");
745 case LZMA_FORMAT_ERROR:
746 return _("File format not recognized");
748 case LZMA_OPTIONS_ERROR:
749 return _("Unsupported options");
751 case LZMA_DATA_ERROR:
752 return _("Compressed data is corrupt");
755 return _("Unexpected end of input");
758 case LZMA_STREAM_END:
760 case LZMA_PROG_ERROR:
761 return _("Internal error (bug)");
769 message_filters(enum message_verbosity v, const lzma_filter *filters)
774 fprintf(stderr, _("%s: Filter chain:"), argv0);
776 for (size_t i = 0; filters[i].id != LZMA_VLI_UNKNOWN; ++i) {
777 fprintf(stderr, " --");
779 switch (filters[i].id) {
780 case LZMA_FILTER_LZMA1:
781 case LZMA_FILTER_LZMA2: {
782 const lzma_options_lzma *opt = filters[i].options;
791 case LZMA_MODE_NORMAL:
826 fprintf(stderr, "lzma%c=dict=%" PRIu32
827 ",lc=%" PRIu32 ",lp=%" PRIu32
829 ",mode=%s,nice=%" PRIu32 ",mf=%s"
831 filters[i].id == LZMA_FILTER_LZMA2
834 opt->lc, opt->lp, opt->pb,
835 mode, opt->nice_len, mf, opt->depth);
839 case LZMA_FILTER_X86:
840 fprintf(stderr, "x86");
843 case LZMA_FILTER_POWERPC:
844 fprintf(stderr, "powerpc");
847 case LZMA_FILTER_IA64:
848 fprintf(stderr, "ia64");
851 case LZMA_FILTER_ARM:
852 fprintf(stderr, "arm");
855 case LZMA_FILTER_ARMTHUMB:
856 fprintf(stderr, "armthumb");
859 case LZMA_FILTER_SPARC:
860 fprintf(stderr, "sparc");
863 case LZMA_FILTER_DELTA: {
864 const lzma_options_delta *opt = filters[i].options;
865 fprintf(stderr, "delta=dist=%" PRIu32, opt->dist);
870 fprintf(stderr, "UNKNOWN");
881 message_try_help(void)
883 // Print this with V_WARNING instead of V_ERROR to prevent it from
884 // showing up when --quiet has been specified.
885 message(V_WARNING, _("Try `%s --help' for more information."), argv0);
891 message_version(void)
893 // It is possible that liblzma version is different than the command
894 // line tool version, so print both.
895 printf("xz " LZMA_VERSION_STRING "\n");
896 printf("liblzma %s\n", lzma_version_string());
902 message_help(bool long_help)
904 printf(_("Usage: %s [OPTION]... [FILE]...\n"
905 "Compress or decompress FILEs in the .xz format.\n\n"),
908 puts(_("Mandatory arguments to long options are mandatory for "
909 "short options too.\n"));
912 puts(_(" Operation mode:\n"));
915 " -z, --compress force compression\n"
916 " -d, --decompress force decompression\n"
917 " -t, --test test compressed file integrity\n"
918 " -l, --list list information about files"));
921 puts(_("\n Operation modifiers:\n"));
924 " -k, --keep keep (don't delete) input files\n"
925 " -f, --force force overwrite of output file and (de)compress links\n"
926 " -c, --stdout write to standard output and don't delete input files"));
930 " -S, --suffix=.SUF use the suffix `.SUF' on compressed files\n"
931 " --files=[FILE] read filenames to process from FILE; if FILE is\n"
932 " omitted, filenames are read from the standard input;\n"
933 " filenames must be terminated with the newline character\n"
934 " --files0=[FILE] like --files but use the null character as terminator"));
937 puts(_("\n Basic file format and compression options:\n"));
939 " -F, --format=FMT file format to encode or decode; possible values are\n"
940 " `auto' (default), `xz', `lzma', and `raw'\n"
941 " -C, --check=CHECK integrity check type: `crc32', `crc64' (default),\n"
946 " -0 .. -9 compression preset; 0-2 fast compression, 3-5 good\n"
947 " compression, 6-9 excellent compression; default is 6"));
950 " -M, --memory=NUM use roughly NUM bytes of memory at maximum; 0 indicates\n"
951 " the default setting, which depends on the operation mode\n"
952 " and the amount of physical memory (RAM)"));
956 "\n Custom filter chain for compression (alternative for using presets):"));
958 #if defined(HAVE_ENCODER_LZMA1) || defined(HAVE_DECODER_LZMA1) \
959 || defined(HAVE_ENCODER_LZMA2) || defined(HAVE_DECODER_LZMA2)
962 " --lzma1=[OPTS] LZMA1 or LZMA2; OPTS is a comma-separated list of zero or\n"
963 " --lzma2=[OPTS] more of the following options (valid values; default):\n"
964 " preset=NUM reset options to preset number NUM (1-9)\n"
965 " dict=NUM dictionary size (4KiB - 1536MiB; 8MiB)\n"
966 " lc=NUM number of literal context bits (0-4; 3)\n"
967 " lp=NUM number of literal position bits (0-4; 0)\n"
968 " pb=NUM number of position bits (0-4; 2)\n"
969 " mode=MODE compression mode (fast, normal; normal)\n"
970 " nice=NUM nice length of a match (2-273; 64)\n"
971 " mf=NAME match finder (hc3, hc4, bt2, bt3, bt4; bt4)\n"
972 " depth=NUM maximum search depth; 0=automatic (default)"));
977 " --x86 x86 filter (sometimes called BCJ filter)\n"
978 " --powerpc PowerPC (big endian) filter\n"
979 " --ia64 IA64 (Itanium) filter\n"
980 " --arm ARM filter\n"
981 " --armthumb ARM-Thumb filter\n"
982 " --sparc SPARC filter"));
984 #if defined(HAVE_ENCODER_DELTA) || defined(HAVE_DECODER_DELTA)
987 " --delta=[OPTS] Delta filter; valid OPTS (valid values; default):\n"
988 " dist=NUM distance between bytes being subtracted\n"
989 " from each other (1-256; 1)"));
992 #if defined(HAVE_ENCODER_SUBBLOCK) || defined(HAVE_DECODER_SUBBLOCK)
995 " --subblock=[OPTS] Subblock filter; valid OPTS (valid values; default):\n"
996 " size=NUM number of bytes of data per subblock\n"
997 " (1 - 256Mi; 4Ki)\n"
998 " rle=NUM run-length encoder chunk size (0-256; 0)"));
1003 puts(_("\n Other options:\n"));
1006 " -q, --quiet suppress warnings; specify twice to suppress errors too\n"
1007 " -v, --verbose be verbose; specify twice for even more verbose"));
1012 " -h, --help display the short help (lists only the basic options)\n"
1013 " -H, --long-help display this long help"));
1016 " -h, --help display this short help\n"
1017 " -H, --long-help display the long help (lists also the advanced options)"));
1020 " -V, --version display the version number"));
1022 puts(_("\nWith no FILE, or when FILE is -, read standard input.\n"));
1026 "On this system and configuration, the tool will use at maximum of\n"
1027 " * roughly %'" PRIu64 " MiB RAM for compression;\n"
1028 " * roughly %'" PRIu64 " MiB RAM for decompression; and\n"),
1029 hardware_memlimit_encoder() / (1024 * 1024),
1030 hardware_memlimit_decoder() / (1024 * 1024));
1031 printf(N_(" * one thread for (de)compression.\n\n",
1032 " * %'" PRIu32 " threads for (de)compression.\n\n",
1033 hardware_threadlimit_get()),
1034 hardware_threadlimit_get());
1037 printf(_("Report bugs to <%s> (in English or Finnish).\n"),