static void
print_totals_robot(void)
{
char checks[CHECKS_STR_SIZE];
get_check_names(checks, totals.checks, false);
printf("totals\t%" PRIu64 "\t%" PRIu64 "\t%" PRIu64 "\t%" PRIu64
"\t%s\t%s\t%" PRIu64 "\t%" PRIu64,
totals.streams,
totals.blocks,
totals.compressed_size,
totals.uncompressed_size,
get_ratio(totals.compressed_size,
totals.uncompressed_size),
checks,
totals.stream_padding,
totals.files);
if (message_verbosity_get() >= V_DEBUG)
printf("\t%" PRIu64 "\t%s\t%" PRIu32,
totals.memusage_max,
totals.all_have_sizes ? "yes" : "no",
totals.min_version);
putchar('\n');
return;
}
extern void
list_file(const char *filename)
{
if (opt_format != FORMAT_XZ && opt_format != FORMAT_AUTO)
message_fatal(_("--list works only on .xz files "
"(--format=xz or --format=auto)"));
message_filename(filename);
if (filename == stdin_filename) {
message_error(_("--list does not support reading from "
"standard input"));
return;
}
// Unset opt_stdout so that io_open_src() won't accept special files.
// Set opt_force so that io_open_src() will follow symlinks.
opt_stdout = false;
opt_force = true;
file_pair *pair = io_open_src(filename);
if (pair == NULL)
return;
xz_file_info xfi = XZ_FILE_INFO_INIT;
if (!parse_indexes(&xfi, pair)) {
bool fail;
// We have three main modes:
// - --robot, which has submodes if --verbose is specified
// once or twice
// - Normal --list without --verbose
// - --list with one or two --verbose
if (opt_robot)
fail = print_info_robot(&xfi, pair);
else if (message_verbosity_get() <= V_WARNING)
fail = print_info_basic(&xfi, pair);
else
fail = print_info_adv(&xfi, pair);
// Update the totals that are displayed after all
// the individual files have been listed. Don't count
// broken files.
if (!fail)
update_totals(&xfi);
lzma_index_end(xfi.idx, NULL);
}
io_close(pair, false);
return;
}
extern void
list_totals(void)
{
if (opt_robot) {
// Always print totals in --robot mode. It can be convenient
// in some cases and doesn't complicate usage of the
// single-file case much.
print_totals_robot();
} else if (totals.files > 1) {
// For non-robot mode, totals are printed only if there
// is more than one file.
if (message_verbosity_get() <= V_WARNING)
print_totals_basic();
else
print_totals_adv();
}
return;
}
static void
print_totals_adv(void)
{
putchar('\n');
puts(_("Totals:"));
printf(_(" Number of files: %s\n"),
uint64_to_str(totals.files, 0));
print_adv_helper(totals.streams, totals.blocks,
totals.compressed_size, totals.uncompressed_size,
totals.checks, totals.stream_padding);
if (message_verbosity_get() >= V_DEBUG) {
printf(_(" Memory needed: %s MiB\n"), uint64_to_str(
round_up_to_mib(totals.memusage_max), 0));
printf(_(" Sizes in headers: %s\n"),
totals.all_have_sizes ? _("Yes") : _("No"));
}
return;
}
static bool
print_info_robot(xz_file_info *xfi, file_pair *pair)
{
char checks[CHECKS_STR_SIZE];
get_check_names(checks, lzma_index_checks(xfi->idx), false);
printf("name\t%s\n", pair->src_name);
printf("file\t%" PRIu64 "\t%" PRIu64 "\t%" PRIu64 "\t%" PRIu64
"\t%s\t%s\t%" PRIu64 "\n",
lzma_index_stream_count(xfi->idx),
lzma_index_block_count(xfi->idx),
lzma_index_file_size(xfi->idx),
lzma_index_uncompressed_size(xfi->idx),
get_ratio(lzma_index_file_size(xfi->idx),
lzma_index_uncompressed_size(xfi->idx)),
checks,
xfi->stream_padding);
if (message_verbosity_get() >= V_VERBOSE) {
lzma_index_iter iter;
lzma_index_iter_init(&iter, xfi->idx);
while (!lzma_index_iter_next(&iter, LZMA_INDEX_ITER_STREAM))
printf("stream\t%" PRIu64 "\t%" PRIu64 "\t%" PRIu64
"\t%" PRIu64 "\t%" PRIu64 "\t%" PRIu64
"\t%s\t%s\t%" PRIu64 "\n",
iter.stream.number,
iter.stream.block_count,
iter.stream.compressed_offset,
iter.stream.uncompressed_offset,
iter.stream.compressed_size,
iter.stream.uncompressed_size,
get_ratio(iter.stream.compressed_size,
iter.stream.uncompressed_size),
check_names[iter.stream.flags->check],
iter.stream.padding);
lzma_index_iter_rewind(&iter);
block_header_info bhi;
while (!lzma_index_iter_next(&iter, LZMA_INDEX_ITER_BLOCK)) {
if (message_verbosity_get() >= V_DEBUG
&& parse_details(
pair, &iter, &bhi, xfi))
return true;
printf("block\t%" PRIu64 "\t%" PRIu64 "\t%" PRIu64
"\t%" PRIu64 "\t%" PRIu64
"\t%" PRIu64 "\t%" PRIu64 "\t%s\t%s",
iter.stream.number,
iter.block.number_in_stream,
iter.block.number_in_file,
iter.block.compressed_file_offset,
iter.block.uncompressed_file_offset,
iter.block.total_size,
iter.block.uncompressed_size,
get_ratio(iter.block.total_size,
iter.block.uncompressed_size),
check_names[iter.stream.flags->check]);
if (message_verbosity_get() >= V_DEBUG)
printf("\t%s\t%" PRIu32 "\t%s\t%" PRIu64
"\t%" PRIu64 "\t%s",
check_value,
bhi.header_size,
bhi.flags,
bhi.compressed_size,
bhi.memusage,
bhi.filter_chain);
putchar('\n');
}
}
if (message_verbosity_get() >= V_DEBUG)
printf("summary\t%" PRIu64 "\t%s\t%" PRIu32 "\n",
xfi->memusage_max,
xfi->all_have_sizes ? "yes" : "no",
xfi->min_version);
return false;
}
static bool
print_info_adv(xz_file_info *xfi, file_pair *pair)
{
// Print the overall information.
print_adv_helper(lzma_index_stream_count(xfi->idx),
lzma_index_block_count(xfi->idx),
lzma_index_file_size(xfi->idx),
lzma_index_uncompressed_size(xfi->idx),
lzma_index_checks(xfi->idx),
xfi->stream_padding);
// Size of the biggest Check. This is used to calculate the width
// of the CheckVal field. The table would get insanely wide if
// we always reserved space for 64-byte Check (128 chars as hex).
uint32_t check_max = 0;
// Print information about the Streams.
//
// TRANSLATORS: The second line is column headings. All except
// Check are right aligned; Check is left aligned. Test with
// "xz -lv foo.xz".
puts(_(" Streams:\n Stream Blocks"
" CompOffset UncompOffset"
" CompSize UncompSize Ratio"
" Check Padding"));
lzma_index_iter iter;
lzma_index_iter_init(&iter, xfi->idx);
while (!lzma_index_iter_next(&iter, LZMA_INDEX_ITER_STREAM)) {
const char *cols1[4] = {
uint64_to_str(iter.stream.number, 0),
uint64_to_str(iter.stream.block_count, 1),
uint64_to_str(iter.stream.compressed_offset, 2),
uint64_to_str(iter.stream.uncompressed_offset, 3),
};
printf(" %*s %*s %*s %*s ",
tuklib_mbstr_fw(cols1[0], 6), cols1[0],
tuklib_mbstr_fw(cols1[1], 9), cols1[1],
tuklib_mbstr_fw(cols1[2], 15), cols1[2],
tuklib_mbstr_fw(cols1[3], 15), cols1[3]);
const char *cols2[5] = {
uint64_to_str(iter.stream.compressed_size, 0),
uint64_to_str(iter.stream.uncompressed_size, 1),
get_ratio(iter.stream.compressed_size,
iter.stream.uncompressed_size),
_(check_names[iter.stream.flags->check]),
uint64_to_str(iter.stream.padding, 2),
};
printf("%*s %*s %*s %-*s %*s\n",
tuklib_mbstr_fw(cols2[0], 15), cols2[0],
tuklib_mbstr_fw(cols2[1], 15), cols2[1],
tuklib_mbstr_fw(cols2[2], 5), cols2[2],
tuklib_mbstr_fw(cols2[3], 10), cols2[3],
tuklib_mbstr_fw(cols2[4], 7), cols2[4]);
// Update the maximum Check size.
if (lzma_check_size(iter.stream.flags->check) > check_max)
check_max = lzma_check_size(iter.stream.flags->check);
}
// Cache the verbosity level to a local variable.
const bool detailed = message_verbosity_get() >= V_DEBUG;
// Information collected from Block Headers
block_header_info bhi;
// Print information about the Blocks but only if there is
// at least one Block.
if (lzma_index_block_count(xfi->idx) > 0) {
// Calculate the width of the CheckVal field.
const int checkval_width = my_max(8, 2 * check_max);
// TRANSLATORS: The second line is column headings. All
// except Check are right aligned; Check is left aligned.
printf(_(" Blocks:\n Stream Block"
" CompOffset UncompOffset"
" TotalSize UncompSize Ratio Check"));
if (detailed) {
// TRANSLATORS: These are additional column headings
// for the most verbose listing mode. CheckVal
// (Check value), Flags, and Filters are left aligned.
// Header (Block Header Size), CompSize, and MemUsage
// are right aligned. %*s is replaced with 0-120
// spaces to make the CheckVal column wide enough.
// Test with "xz -lvv foo.xz".
printf(_(" CheckVal %*s Header Flags "
"CompSize MemUsage Filters"),
checkval_width - 8, "");
}
putchar('\n');
lzma_index_iter_init(&iter, xfi->idx);
// Iterate over the Blocks.
while (!lzma_index_iter_next(&iter, LZMA_INDEX_ITER_BLOCK)) {
if (detailed && parse_details(pair, &iter, &bhi, xfi))
return true;
const char *cols1[4] = {
uint64_to_str(iter.stream.number, 0),
uint64_to_str(
iter.block.number_in_stream, 1),
uint64_to_str(
iter.block.compressed_file_offset, 2),
uint64_to_str(
iter.block.uncompressed_file_offset, 3)
};
printf(" %*s %*s %*s %*s ",
tuklib_mbstr_fw(cols1[0], 6), cols1[0],
tuklib_mbstr_fw(cols1[1], 9), cols1[1],
tuklib_mbstr_fw(cols1[2], 15), cols1[2],
tuklib_mbstr_fw(cols1[3], 15), cols1[3]);
const char *cols2[4] = {
uint64_to_str(iter.block.total_size, 0),
uint64_to_str(iter.block.uncompressed_size,
1),
get_ratio(iter.block.total_size,
iter.block.uncompressed_size),
_(check_names[iter.stream.flags->check])
};
printf("%*s %*s %*s %-*s",
tuklib_mbstr_fw(cols2[0], 15), cols2[0],
tuklib_mbstr_fw(cols2[1], 15), cols2[1],
tuklib_mbstr_fw(cols2[2], 5), cols2[2],
tuklib_mbstr_fw(cols2[3], detailed ? 11 : 1),
cols2[3]);
if (detailed) {
const lzma_vli compressed_size
= iter.block.unpadded_size
- bhi.header_size
- lzma_check_size(
iter.stream.flags->check);
const char *cols3[6] = {
check_value,
uint64_to_str(bhi.header_size, 0),
bhi.flags,
uint64_to_str(compressed_size, 1),
uint64_to_str(
round_up_to_mib(bhi.memusage),
2),
bhi.filter_chain
};
// Show MiB for memory usage, because it
// is the only size which is not in bytes.
printf("%-*s %*s %-5s %*s %*s MiB %s",
checkval_width, cols3[0],
tuklib_mbstr_fw(cols3[1], 6), cols3[1],
cols3[2],
tuklib_mbstr_fw(cols3[3], 15),
cols3[3],
tuklib_mbstr_fw(cols3[4], 7), cols3[4],
cols3[5]);
}
putchar('\n');
}
}
if (detailed) {
printf(_(" Memory needed: %s MiB\n"), uint64_to_str(
round_up_to_mib(xfi->memusage_max), 0));
printf(_(" Sizes in headers: %s\n"),
xfi->all_have_sizes ? _("Yes") : _("No"));
printf(_(" Minimum XZ Utils version: %s\n"),
xz_ver_to_str(xfi->min_version));
}
return false;
}
int
main(int argc, char **argv)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
InitializeCriticalSection(&exit_status_cs);
#endif
// Set up the progname variable.
tuklib_progname_init(argv);
// Initialize the file I/O. This makes sure that
// stdin, stdout, and stderr are something valid.
io_init();
// Set up the locale and message translations.
tuklib_gettext_init(PACKAGE, LOCALEDIR);
// Initialize handling of error/warning/other messages.
message_init();
// Set hardware-dependent default values. These can be overriden
// on the command line, thus this must be done before args_parse().
hardware_init();
// Parse the command line arguments and get an array of filenames.
// This doesn't return if something is wrong with the command line
// arguments. If there are no arguments, one filename ("-") is still
// returned to indicate stdin.
args_info args;
args_parse(&args, argc, argv);
if (opt_mode != MODE_LIST && opt_robot)
message_fatal(_("Compression and decompression with --robot "
"are not supported yet."));
// Tell the message handling code how many input files there are if
// we know it. This way the progress indicator can show it.
if (args.files_name != NULL)
message_set_files(0);
else
message_set_files(args.arg_count);
// Refuse to write compressed data to standard output if it is
// a terminal.
if (opt_mode == MODE_COMPRESS) {
if (opt_stdout || (args.arg_count == 1
&& strcmp(args.arg_names[0], "-") == 0)) {
if (is_tty_stdout()) {
message_try_help();
tuklib_exit(E_ERROR, E_ERROR, false);
}
}
}
// Set up the signal handlers. We don't need these before we
// start the actual action and not in --list mode, so this is
// done after parsing the command line arguments.
//
// It's good to keep signal handlers in normal compression and
// decompression modes even when only writing to stdout, because
// we might need to restore O_APPEND flag on stdout before exiting.
// In --test mode, signal handlers aren't really needed, but let's
// keep them there for consistency with normal decompression.
if (opt_mode != MODE_LIST)
signals_init();
// coder_run() handles compression, decompression, and testing.
// list_file() is for --list.
void (*run)(const char *filename) = opt_mode == MODE_LIST
? &list_file : &coder_run;
// Process the files given on the command line. Note that if no names
// were given, args_parse() gave us a fake "-" filename.
for (size_t i = 0; i < args.arg_count && !user_abort; ++i) {
if (strcmp("-", args.arg_names[i]) == 0) {
// Processing from stdin to stdout. Check that we
// aren't writing compressed data to a terminal or
// reading it from a terminal.
if (opt_mode == MODE_COMPRESS) {
if (is_tty_stdout())
continue;
} else if (is_tty_stdin()) {
continue;
}
// It doesn't make sense to compress data from stdin
// if we are supposed to read filenames from stdin
// too (enabled with --files or --files0).
if (args.files_name == stdin_filename) {
message_error(_("Cannot read data from "
"standard input when "
"reading filenames "
"from standard input"));
continue;
}
// Replace the "-" with a special pointer, which is
// recognized by coder_run() and other things.
// This way error messages get a proper filename
// string and the code still knows that it is
// handling the special case of stdin.
args.arg_names[i] = (char *)stdin_filename;
}
// Do the actual compression or decompression.
run(args.arg_names[i]);
}
// If --files or --files0 was used, process the filenames from the
// given file or stdin. Note that here we don't consider "-" to
// indicate stdin like we do with the command line arguments.
if (args.files_name != NULL) {
// read_name() checks for user_abort so we don't need to
// check it as loop termination condition.
while (true) {
const char *name = read_name(&args);
if (name == NULL)
break;
// read_name() doesn't return empty names.
assert(name[0] != '\0');
run(name);
}
if (args.files_name != stdin_filename)
(void)fclose(args.files_file);
}
// All files have now been handled. If in --list mode, display
// the totals before exiting. We don't have signal handlers
// enabled in --list mode, so we don't need to check user_abort.
if (opt_mode == MODE_LIST) {
assert(!user_abort);
list_totals();
}
#ifndef NDEBUG
coder_free();
#endif
// If we have got a signal, raise it to kill the program instead
// of calling tuklib_exit().
signals_exit();
// Make a local copy of exit_status to keep the Windows code
// thread safe. At this point it is fine if we miss the user
// pressing C-c and don't set the exit_status to E_ERROR on
// Windows.
#if defined(_WIN32) && !defined(__CYGWIN__)
EnterCriticalSection(&exit_status_cs);
#endif
enum exit_status_type es = exit_status;
#if defined(_WIN32) && !defined(__CYGWIN__)
LeaveCriticalSection(&exit_status_cs);
#endif
// Suppress the exit status indicating a warning if --no-warn
// was specified.
if (es == E_WARNING && no_warn)
es = E_SUCCESS;
tuklib_exit(es, E_ERROR, message_verbosity_get() != V_SILENT);
}