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-rw-r--r--src/lzma/message.c892
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diff --git a/src/lzma/message.c b/src/lzma/message.c
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--- a/src/lzma/message.c
+++ /dev/null
@@ -1,892 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////
-//
-/// \file message.c
-/// \brief Printing messages to stderr
-//
-// Copyright (C) 2007-2008 Lasse Collin
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-///////////////////////////////////////////////////////////////////////////////
-
-#include "private.h"
-
-#if defined(HAVE_SYS_TIME_H)
-# include <sys/time.h>
-#elif defined(SIGALRM)
-// FIXME
-#endif
-
-#include <stdarg.h>
-
-
-/// Name of the program which is prefixed to the error messages.
-static const char *argv0;
-
-/// Number of the current file
-static unsigned int files_pos = 0;
-
-/// Total number of input files; zero if unknown.
-static unsigned int files_total;
-
-/// Verbosity level
-static enum message_verbosity verbosity = V_WARNING;
-
-/// Filename which we will print with the verbose messages
-static const char *filename;
-
-/// True once the a filename has been printed to stderr as part of progress
-/// message. If automatic progress updating isn't enabled, this becomes true
-/// after the first progress message has been printed due to user sending
-/// SIGALRM. Once this variable is true, we will print an empty line before
-/// the next filename to make the output more readable.
-static bool first_filename_printed = false;
-
-/// This is set to true when we have printed the current filename to stderr
-/// as part of a progress message. This variable is useful only if not
-/// updating progress automatically: if user sends many SIGALRM signals,
-/// we won't print the name of the same file multiple times.
-static bool current_filename_printed = false;
-
-/// True if we should print progress indicator and update it automatically.
-static bool progress_automatic;
-
-/// This is true when a progress message was printed and the cursor is still
-/// on the same line with the progress message. In that case, a newline has
-/// to be printed before any error messages.
-static bool progress_active = false;
-
-/// Expected size of the input stream is needed to show completion percentage
-/// and estimate remaining time.
-static uint64_t expected_in_size;
-
-/// Time when we started processing the file
-static double start_time;
-
-/// The signal handler for SIGALRM sets this to true. It is set back to false
-/// once the progress message has been updated.
-static volatile sig_atomic_t progress_needs_updating = false;
-
-
-/// Signal handler for SIGALRM
-static void
-progress_signal_handler(int sig lzma_attribute((unused)))
-{
- progress_needs_updating = true;
- return;
-}
-
-
-/// Get the current time as double
-static double
-my_time(void)
-{
- struct timeval tv;
-
- // This really shouldn't fail. I'm not sure what to return if it
- // still fails. It doesn't look so useful to check the return value
- // everywhere. FIXME?
- if (gettimeofday(&tv, NULL))
- return -1.0;
-
- return (double)(tv.tv_sec) + (double)(tv.tv_usec) / 1.0e9;
-}
-
-
-/// Wrapper for snprintf() to help constructing a string in pieces.
-static void /* lzma_attribute((format(printf, 3, 4))) */
-my_snprintf(char **pos, size_t *left, const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- const int len = vsnprintf(*pos, *left, fmt, ap);
- va_end(ap);
-
- // If an error occurred, we want the caller to think that the whole
- // buffer was used. This way no more data will be written to the
- // buffer. We don't need better error handling here.
- if (len < 0 || (size_t)(len) >= *left) {
- *left = 0;
- } else {
- *pos += len;
- *left -= len;
- }
-
- return;
-}
-
-
-extern void
-message_init(const char *given_argv0)
-{
- // Name of the program
- argv0 = given_argv0;
-
- // If --verbose is used, we use a progress indicator if and only
- // if stderr is a terminal. If stderr is not a terminal, we print
- // verbose information only after finishing the file. As a special
- // exception, even if --verbose was not used, user can send SIGALRM
- // to make us print progress information once without automatic
- // updating.
- progress_automatic = isatty(STDERR_FILENO);
-
-/*
- if (progress_automatic) {
- // stderr is a terminal. Check the COLUMNS environment
- // variable to see if the terminal is wide enough. If COLUMNS
- // doesn't exist or it has some unparseable value, we assume
- // that the terminal is wide enough.
- const char *columns_str = getenv("COLUMNS");
- uint64_t columns;
- if (columns_str != NULL
- && !str_to_uint64_raw(&columns, columns_str)
- && columns < 80)
- progress_automatic = false;
- }
-*/
-
-#ifdef SIGALRM
- // Establish the signal handler for SIGALRM. Since this signal
- // doesn't require any quick action, we set SA_RESTART.
- struct sigaction sa;
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = SA_RESTART;
- sa.sa_handler = &progress_signal_handler;
- if (sigaction(SIGALRM, &sa, NULL))
- message_signal_handler();
-#endif
-
- return;
-}
-
-
-extern void
-message_verbosity_increase(void)
-{
- if (verbosity < V_DEBUG)
- ++verbosity;
-
- return;
-}
-
-
-extern void
-message_verbosity_decrease(void)
-{
- if (verbosity > V_SILENT)
- --verbosity;
-
- return;
-}
-
-
-extern void
-message_set_files(unsigned int files)
-{
- files_total = files;
- return;
-}
-
-
-/// Prints the name of the current file if it hasn't been printed already,
-/// except if we are processing exactly one stream from stdin to stdout.
-/// I think it looks nicer to not print "(stdin)" when --verbose is used
-/// in a pipe and no other files are processed.
-static void
-print_filename(void)
-{
- if (!current_filename_printed
- && (files_total != 1 || filename != stdin_filename)) {
- signals_block();
-
- // If a file was already processed, put an empty line
- // before the next filename to improve readability.
- if (first_filename_printed)
- fputc('\n', stderr);
-
- first_filename_printed = true;
- current_filename_printed = true;
-
- // If we don't know how many files there will be due
- // to usage of --files or --files0.
- if (files_total == 0)
- fprintf(stderr, "%s (%u)\n", filename,
- files_pos);
- else
- fprintf(stderr, "%s (%u/%u)\n", filename,
- files_pos, files_total);
-
- signals_unblock();
- }
-
- return;
-}
-
-
-extern void
-message_progress_start(const char *src_name, uint64_t in_size)
-{
- // Store the processing start time of the file and its expected size.
- // If we aren't printing any statistics, then these are unused. But
- // since it is possible that the user tells us with SIGALRM to show
- // statistics, we need to have these available anyway.
- start_time = my_time();
- filename = src_name;
- expected_in_size = in_size;
-
- // Indicate the name of this file hasn't been printed to
- // stderr yet.
- current_filename_printed = false;
-
- // Start numbering the files starting from one.
- ++files_pos;
-
- // If progress indicator is wanted, print the filename and possibly
- // the file count now. As an exception, if there is exactly one file,
- // do not print the filename at all.
- if (verbosity >= V_VERBOSE && progress_automatic) {
- // Print the filename to stderr if that is appropriate with
- // the current settings.
- print_filename();
-
- // Start the timer to set progress_needs_updating to true
- // after about one second. An alternative would to be set
- // progress_needs_updating to true here immediatelly, but
- // setting the timer looks better to me, since extremely
- // early progress info is pretty much useless.
- alarm(1);
- }
-
- return;
-}
-
-
-/// Make the string indicating completion percentage.
-static const char *
-progress_percentage(uint64_t in_pos)
-{
- // If the size of the input file is unknown or the size told us is
- // clearly wrong since we have processed more data than the alleged
- // size of the file, show a static string indicating that we have
- // no idea of the completion percentage.
- if (expected_in_size == 0 || in_pos > expected_in_size)
- return "--- %";
-
- static char buf[sizeof("99.9 %")];
-
- // Never show 100.0 % before we actually are finished (that case is
- // handled separately in message_progress_end()).
- snprintf(buf, sizeof(buf), "%.1f %%",
- (double)(in_pos) / (double)(expected_in_size) * 99.9);
-
- return buf;
-}
-
-
-static void
-progress_sizes_helper(char **pos, size_t *left, uint64_t value, bool final)
-{
- if (final) {
- // At maximum of four digits is allowed for exact byte count.
- if (value < 10000) {
- my_snprintf(pos, left, "%'" PRIu64 " B", value);
- return;
- }
-
-// // At maximum of four significant digits is allowed for KiB.
-// if (value < UINT64_C(1023900)) {
- // At maximum of five significant digits is allowed for KiB.
- if (value < UINT64_C(10239900)) {
- my_snprintf(pos, left, "%'.1f KiB",
- (double)(value) / 1024.0);
- return;
- }
- }
-
- // Otherwise we use MiB.
- my_snprintf(pos, left, "%'.1f MiB",
- (double)(value) / (1024.0 * 1024.0));
- return;
-}
-
-
-/// Make the string containing the amount of input processed, amount of
-/// output produced, and the compression ratio.
-static const char *
-progress_sizes(uint64_t compressed_pos, uint64_t uncompressed_pos, bool final)
-{
- // This is enough to hold sizes up to about 99 TiB if thousand
- // separator is used, or about 1 PiB without thousand separator.
- // After that the progress indicator will look a bit silly, since
- // the compression ratio no longer fits with three decimal places.
- static char buf[44];
-
- char *pos = buf;
- size_t left = sizeof(buf);
-
- // Print the sizes. If this the final message, use more reasonable
- // units than MiB if the file was small.
- progress_sizes_helper(&pos, &left, compressed_pos, final);
- my_snprintf(&pos, &left, " / ");
- progress_sizes_helper(&pos, &left, uncompressed_pos, final);
-
- // Avoid division by zero. If we cannot calculate the ratio, set
- // it to some nice number greater than 10.0 so that it gets caught
- // in the next if-clause.
- const double ratio = uncompressed_pos > 0
- ? (double)(compressed_pos) / (double)(uncompressed_pos)
- : 16.0;
-
- // If the ratio is very bad, just indicate that it is greater than
- // 9.999. This way the length of the ratio field stays fixed.
- if (ratio > 9.999)
- snprintf(pos, left, " > %.3f", 9.999);
- else
- snprintf(pos, left, " = %.3f", ratio);
-
- return buf;
-}
-
-
-/// Make the string containing the processing speed of uncompressed data.
-static const char *
-progress_speed(uint64_t uncompressed_pos, double elapsed)
-{
- // Don't print the speed immediatelly, since the early values look
- // like somewhat random.
- if (elapsed < 3.0)
- return "";
-
- static const char unit[][8] = {
- "KiB/s",
- "MiB/s",
- "GiB/s",
- };
-
- size_t unit_index = 0;
-
- // Calculate the speed as KiB/s.
- double speed = (double)(uncompressed_pos) / (elapsed * 1024.0);
-
- // Adjust the unit of the speed if needed.
- while (speed > 999.9) {
- speed /= 1024.0;
- if (++unit_index == ARRAY_SIZE(unit))
- return ""; // Way too fast ;-)
- }
-
- static char buf[sizeof("999.9 GiB/s")];
- snprintf(buf, sizeof(buf), "%.1f %s", speed, unit[unit_index]);
- return buf;
-}
-
-
-/// Make a string indicating elapsed or remaining time. The format is either
-/// M:SS or H:MM:SS depending on if the time is an hour or more.
-static const char *
-progress_time(uint32_t seconds)
-{
- // 9999 hours = 416 days
- static char buf[sizeof("9999:59:59")];
-
- // Don't show anything if the time is zero or ridiculously big.
- if (seconds == 0 || seconds > ((UINT32_C(9999) * 60) + 59) * 60 + 59)
- return "";
-
- uint32_t minutes = seconds / 60;
- seconds %= 60;
-
- if (minutes >= 60) {
- const uint32_t hours = minutes / 60;
- minutes %= 60;
- snprintf(buf, sizeof(buf),
- "%" PRIu32 ":%02" PRIu32 ":%02" PRIu32,
- hours, minutes, seconds);
- } else {
- snprintf(buf, sizeof(buf), "%" PRIu32 ":%02" PRIu32,
- minutes, seconds);
- }
-
- return buf;
-}
-
-
-/// Make the string to contain the estimated remaining time, or if the amount
-/// of input isn't known, how much time has elapsed.
-static const char *
-progress_remaining(uint64_t in_pos, double elapsed)
-{
- // If we don't know the size of the input, we indicate the time
- // spent so far.
- if (expected_in_size == 0 || in_pos > expected_in_size)
- return progress_time((uint32_t)(elapsed));
-
- // If we are at the very beginning of the file or the file is very
- // small, don't give any estimate to avoid far too wrong estimations.
- if (in_pos < (UINT64_C(1) << 19) || elapsed < 8.0)
- return "";
-
- // Calculate the estimate. Don't give an estimate of zero seconds,
- // since it is possible that all the input has been already passed
- // to the library, but there is still quite a bit of output pending.
- uint32_t remaining = (double)(expected_in_size - in_pos)
- * elapsed / (double)(in_pos);
- if (remaining == 0)
- remaining = 1;
-
- return progress_time(remaining);
-}
-
-
-extern void
-message_progress_update(uint64_t in_pos, uint64_t out_pos)
-{
- // If there's nothing to do, return immediatelly.
- if (!progress_needs_updating || in_pos == 0)
- return;
-
- // Print the filename if it hasn't been printed yet.
- print_filename();
-
- // Calculate how long we have been processing this file.
- const double elapsed = my_time() - start_time;
-
- // Set compressed_pos and uncompressed_pos.
- uint64_t compressed_pos;
- uint64_t uncompressed_pos;
- if (opt_mode == MODE_COMPRESS) {
- compressed_pos = out_pos;
- uncompressed_pos = in_pos;
- } else {
- compressed_pos = in_pos;
- uncompressed_pos = out_pos;
- }
-
- signals_block();
-
- // Print the actual progress message. The idea is that there is at
- // least three spaces between the fields in typical situations, but
- // even in rare situations there is at least one space.
- fprintf(stderr, " %7s %43s %11s %10s\r",
- progress_percentage(in_pos),
- progress_sizes(compressed_pos, uncompressed_pos, false),
- progress_speed(uncompressed_pos, elapsed),
- progress_remaining(in_pos, elapsed));
-
- // Updating the progress info was finished. Reset
- // progress_needs_updating to wait for the next SIGALRM.
- //
- // NOTE: This has to be done before alarm() call or with (very) bad
- // luck we could be setting this to false after the alarm has already
- // been triggered.
- progress_needs_updating = false;
-
- if (progress_automatic) {
- // Mark that the progress indicator is active, so if an error
- // occurs, the error message gets printed cleanly.
- progress_active = true;
-
- // Restart the timer so that progress_needs_updating gets
- // set to true after about one second.
- alarm(1);
- } else {
- // The progress message was printed because user had sent us
- // SIGALRM. In this case, each progress message is printed
- // on its own line.
- fputc('\n', stderr);
- }
-
- signals_unblock();
-
- return;
-}
-
-
-extern void
-message_progress_end(uint64_t in_pos, uint64_t out_pos, bool success)
-{
- // If we are not in verbose mode, we have nothing to do.
- if (verbosity < V_VERBOSE || user_abort)
- return;
-
- // Cancel a pending alarm, if any.
- if (progress_automatic) {
- alarm(0);
- progress_active = false;
- }
-
- const double elapsed = my_time() - start_time;
-
- uint64_t compressed_pos;
- uint64_t uncompressed_pos;
- if (opt_mode == MODE_COMPRESS) {
- compressed_pos = out_pos;
- uncompressed_pos = in_pos;
- } else {
- compressed_pos = in_pos;
- uncompressed_pos = out_pos;
- }
-
- // If it took less than a second, don't display the time.
- const char *elapsed_str = progress_time((double)(elapsed));
-
- signals_block();
-
- // When using the auto-updating progress indicator, the final
- // statistics are printed in the same format as the progress
- // indicator itself.
- if (progress_automatic && in_pos > 0) {
- // Using floating point conversion for the percentage instead
- // of static "100.0 %" string, because the decimal separator
- // isn't a dot in all locales.
- fprintf(stderr, " %5.1f %% %43s %11s %10s\n",
- 100.0,
- progress_sizes(compressed_pos, uncompressed_pos, true),
- progress_speed(uncompressed_pos, elapsed),
- elapsed_str);
-
- // When no automatic progress indicator is used, don't print a verbose
- // message at all if we something went wrong and we couldn't produce
- // any output. If we did produce output, then it is sometimes useful
- // to tell that to the user, especially if we detected an error after
- // a time-consuming operation.
- } else if (success || out_pos > 0) {
- // The filename and size information are always printed.
- fprintf(stderr, "%s: %s", filename, progress_sizes(
- compressed_pos, uncompressed_pos, true));
-
- // The speed and elapsed time aren't always shown.
- const char *speed = progress_speed(uncompressed_pos, elapsed);
- if (speed[0] != '\0')
- fprintf(stderr, ", %s", speed);
-
- if (elapsed_str[0] != '\0')
- fprintf(stderr, ", %s", elapsed_str);
-
- fputc('\n', stderr);
- }
-
- signals_unblock();
-
- return;
-}
-
-
-static void
-vmessage(enum message_verbosity v, const char *fmt, va_list ap)
-{
- if (v <= verbosity) {
- signals_block();
-
- // If there currently is a progress message on the screen,
- // print a newline so that the progress message is left
- // readable. This is good, because it is nice to be able to
- // see where the error occurred. (The alternative would be
- // to clear the progress message and replace it with the
- // error message.)
- if (progress_active) {
- progress_active = false;
- fputc('\n', stderr);
- }
-
- fprintf(stderr, "%s: ", argv0);
- vfprintf(stderr, fmt, ap);
- fputc('\n', stderr);
-
- signals_unblock();
- }
-
- return;
-}
-
-
-extern void
-message(enum message_verbosity v, const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- vmessage(v, fmt, ap);
- va_end(ap);
- return;
-}
-
-
-extern void
-message_warning(const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- vmessage(V_WARNING, fmt, ap);
- va_end(ap);
-
- set_exit_status(E_WARNING);
- return;
-}
-
-
-extern void
-message_error(const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- vmessage(V_ERROR, fmt, ap);
- va_end(ap);
-
- set_exit_status(E_ERROR);
- return;
-}
-
-
-extern void
-message_fatal(const char *fmt, ...)
-{
- va_list ap;
- va_start(ap, fmt);
- vmessage(V_ERROR, fmt, ap);
- va_end(ap);
-
- my_exit(E_ERROR);
-}
-
-
-extern void
-message_bug(void)
-{
- message_fatal(_("Internal error (bug)"));
-}
-
-
-extern void
-message_signal_handler(void)
-{
- message_fatal(_("Cannot establish signal handlers"));
-}
-
-
-extern const char *
-message_strm(lzma_ret code)
-{
- switch (code) {
- case LZMA_NO_CHECK:
- return _("No integrity check; not verifying file integrity");
-
- case LZMA_UNSUPPORTED_CHECK:
- return _("Unsupported type of integrity check; "
- "not verifying file integrity");
-
- case LZMA_MEM_ERROR:
- return strerror(ENOMEM);
-
- case LZMA_MEMLIMIT_ERROR:
- return _("Memory usage limit reached");
-
- case LZMA_FORMAT_ERROR:
- return _("File format not recognized");
-
- case LZMA_OPTIONS_ERROR:
- return _("Unsupported options");
-
- case LZMA_DATA_ERROR:
- return _("Compressed data is corrupt");
-
- case LZMA_BUF_ERROR:
- return _("Unexpected end of input");
-
- case LZMA_OK:
- case LZMA_STREAM_END:
- case LZMA_GET_CHECK:
- case LZMA_PROG_ERROR:
- return _("Internal error (bug)");
- }
-
- return NULL;
-}
-
-
-extern void
-message_try_help(void)
-{
- // Print this with V_WARNING instead of V_ERROR to prevent it from
- // showing up when --quiet has been specified.
- message(V_WARNING, _("Try `%s --help' for more information."), argv0);
- return;
-}
-
-
-extern void
-message_version(void)
-{
- // It is possible that liblzma version is different than the command
- // line tool version, so print both.
- printf("xz " PACKAGE_VERSION "\n");
- printf("liblzma %s\n", lzma_version_string());
- my_exit(E_SUCCESS);
-}
-
-
-extern void
-message_help(bool long_help)
-{
- printf(_("Usage: %s [OPTION]... [FILE]...\n"
- "Compress or decompress FILEs in the .xz format.\n\n"),
- argv0);
-
- puts(_("Mandatory arguments to long options are mandatory for "
- "short options too.\n"));
-
- if (long_help)
- puts(_(" Operation mode:\n"));
-
- puts(_(
-" -z, --compress force compression\n"
-" -d, --decompress force decompression\n"
-" -t, --test test compressed file integrity\n"
-" -l, --list list information about files"));
-
- if (long_help)
- puts(_("\n Operation modifiers:\n"));
-
- puts(_(
-" -k, --keep keep (don't delete) input files\n"
-" -f, --force force overwrite of output file and (de)compress links\n"
-" -c, --stdout write to standard output and don't delete input files"));
-
- if (long_help)
- puts(_(
-" -S, --suffix=.SUF use the suffix `.SUF' on compressed files\n"
-" --files=[FILE] read filenames to process from FILE; if FILE is\n"
-" omitted, filenames are read from the standard input;\n"
-" filenames must be terminated with the newline character\n"
-" --files0=[FILE] like --files but use the null character as terminator"));
-
- if (long_help) {
- puts(_("\n Basic file format and compression options:\n"));
- puts(_(
-" -F, --format=FMT file format to encode or decode; possible values are\n"
-" `auto' (default), `xz', `lzma', and `raw'\n"
-" -C, --check=CHECK integrity check type: `crc32', `crc64' (default),\n"
-" or `sha256'"));
- }
-
- puts(_(
-" -p, --preset=NUM compression preset: 1-2 fast compression, 3-6 good\n"
-" compression, 7-9 excellent compression; default is 7"));
-
- puts(_(
-" -M, --memory=NUM use roughly NUM bytes of memory at maximum; 0 indicates\n"
-" the default setting, which depends on the operation mode\n"
-" and the amount of physical memory (RAM)"));
-
- if (long_help) {
- puts(_(
-"\n Custom filter chain for compression (alternative for using presets):"));
-
-#if defined(HAVE_ENCODER_LZMA1) || defined(HAVE_DECODER_LZMA1) \
- || defined(HAVE_ENCODER_LZMA2) || defined(HAVE_DECODER_LZMA2)
- puts(_(
-"\n"
-" --lzma1=[OPTS] LZMA1 or LZMA2; OPTS is a comma-separated list of zero or\n"
-" --lzma2=[OPTS] more of the following options (valid values; default):\n"
-" dict=NUM dictionary size (4KiB - 1536MiB; 8MiB)\n"
-" lc=NUM number of literal context bits (0-4; 3)\n"
-" lp=NUM number of literal position bits (0-4; 0)\n"
-" pb=NUM number of position bits (0-4; 2)\n"
-" mode=MODE compression mode (fast, normal; normal)\n"
-" nice=NUM nice length of a match (2-273; 64)\n"
-" mf=NAME match finder (hc3, hc4, bt2, bt3, bt4; bt4)\n"
-" depth=NUM maximum search depth; 0=automatic (default)"));
-#endif
-
- puts(_(
-"\n"
-" --x86 x86 filter (sometimes called BCJ filter)\n"
-" --powerpc PowerPC (big endian) filter\n"
-" --ia64 IA64 (Itanium) filter\n"
-" --arm ARM filter\n"
-" --armthumb ARM-Thumb filter\n"
-" --sparc SPARC filter"));
-
-#if defined(HAVE_ENCODER_DELTA) || defined(HAVE_DECODER_DELTA)
- puts(_(
-"\n"
-" --delta=[OPTS] Delta filter; valid OPTS (valid values; default):\n"
-" dist=NUM distance between bytes being subtracted\n"
-" from each other (1-256; 1)"));
-#endif
-
-#if defined(HAVE_ENCODER_SUBBLOCK) || defined(HAVE_DECODER_SUBBLOCK)
- puts(_(
-"\n"
-" --subblock=[OPTS] Subblock filter; valid OPTS (valid values; default):\n"
-" size=NUM number of bytes of data per subblock\n"
-" (1 - 256Mi; 4Ki)\n"
-" rle=NUM run-length encoder chunk size (0-256; 0)"));
-#endif
- }
-
-/*
- if (long_help)
- puts(_(
-"\n"
-" Resource usage options:\n"
-"\n"
-" -M, --memory=NUM use roughly NUM bytes of memory at maximum; 0 indicates\n"
-" the default setting, which depends on the operation mode\n"
-" and the amount of physical memory (RAM)\n"
-" -T, --threads=NUM use a maximum of NUM (de)compression threads"
-// " --threading=STR threading style; possible values are `auto' (default),\n"
-// " `files', and `stream'
-));
-*/
- if (long_help)
- puts(_("\n Other options:\n"));
-
- puts(_(
-" -q, --quiet suppress warnings; specify twice to suppress errors too\n"
-" -v, --verbose be verbose; specify twice for even more verbose"));
-
- if (long_help)
- puts(_(
-"\n"
-" -h, --help display the short help (lists only the basic options)\n"
-" -H, --long-help display this long help"));
- else
- puts(_(
-" -h, --help display this short help\n"
-" -H, --long-help display the long help (lists also the advanced options)"));
-
- puts(_(
-" -V, --version display the version number"));
-
- puts(_("\nWith no FILE, or when FILE is -, read standard input.\n"));
-
- if (long_help) {
- // FIXME !!!
- size_t mem_limit = hardware_memlimit_encoder() / (1024 * 1024);
- if (mem_limit == 0)
- mem_limit = 1;
-
- // We use PRIu64 instead of %zu to support pre-C99 libc.
- // FIXME: Use ' but avoid warnings.
- puts(_("On this system and configuration, the tool will use"));
- printf(_(" * roughly %" PRIu64 " MiB of memory at maximum; and\n"),
- (uint64_t)(mem_limit));
- printf(N_(" * at maximum of one thread for (de)compression.\n\n",
- " * at maximum of %" PRIu64
- " threads for (de)compression.\n\n",
- (uint64_t)(opt_threads)), (uint64_t)(opt_threads));
- }
-
- printf(_("Report bugs to <%s> (in English or Finnish).\n"),
- PACKAGE_BUGREPORT);
-
- my_exit(E_SUCCESS);
-}