memlimit_too_small(uint64_t memory_usage)
{
message(V_ERROR, _("Memory usage limit is too low for the given "
"filter setup."));
message_mem_needed(V_ERROR, memory_usage);
tuklib_exit(E_ERROR, E_ERROR, false);
}
extern int
main(int argc, char **argv)
{
tuklib_progname_init(argv);
tuklib_gettext_init(PACKAGE, LOCALEDIR);
parse_args(argc, argv);
#ifdef TUKLIB_DOSLIKE
setmode(fileno(stdin), O_BINARY);
#endif
int ret = EXIT_SUCCESS;
// We print empty lines around the output only when reading from
// files specified on the command line. This is due to how
// LZMA Utils did it.
if (optind == argc) {
if (lzmainfo("(stdin)", stdin))
ret = EXIT_FAILURE;
} else {
printf("\n");
do {
if (strcmp(argv[optind], "-") == 0) {
if (lzmainfo("(stdin)", stdin))
ret = EXIT_FAILURE;
} else {
FILE *f = fopen(argv[optind], "r");
if (f == NULL) {
ret = EXIT_FAILURE;
fprintf(stderr, "%s: %s: %s\n",
progname,
argv[optind],
strerror(errno));
continue;
}
if (lzmainfo(argv[optind], f))
ret = EXIT_FAILURE;
printf("\n");
fclose(f);
}
} while (++optind < argc);
}
tuklib_exit(ret, EXIT_FAILURE, true);
}
help(void)
{
printf(
_("Usage: %s [--help] [--version] [FILE]...\n"
"Show information stored in the .lzma file header"), progname);
printf(_(
"\nWith no FILE, or when FILE is -, read standard input.\n"));
printf("\n");
printf(_("Report bugs to <%s> (in English or Finnish).\n"),
PACKAGE_BUGREPORT);
printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
tuklib_exit(EXIT_SUCCESS, EXIT_FAILURE, true);
}
version(void)
{
puts("lzmainfo (" PACKAGE_NAME ") " LZMA_VERSION_STRING);
tuklib_exit(EXIT_SUCCESS, EXIT_FAILURE, true);
}
static void
parse_real(args_info *args, int argc, char **argv)
{
enum {
OPT_X86 = INT_MIN,
OPT_POWERPC,
OPT_IA64,
OPT_ARM,
OPT_ARMTHUMB,
OPT_SPARC,
OPT_DELTA,
OPT_LZMA1,
OPT_LZMA2,
OPT_SINGLE_STREAM,
OPT_NO_SPARSE,
OPT_FILES,
OPT_FILES0,
OPT_BLOCK_SIZE,
OPT_MEM_COMPRESS,
OPT_MEM_DECOMPRESS,
OPT_NO_ADJUST,
OPT_INFO_MEMORY,
OPT_ROBOT,
};
static const char short_opts[]
= "cC:defF:hHlkM:qQrS:tT:vVz0123456789";
static const struct option long_opts[] = {
// Operation mode
{ "compress", no_argument, NULL, 'z' },
{ "decompress", no_argument, NULL, 'd' },
{ "uncompress", no_argument, NULL, 'd' },
{ "test", no_argument, NULL, 't' },
{ "list", no_argument, NULL, 'l' },
// Operation modifiers
{ "keep", no_argument, NULL, 'k' },
{ "force", no_argument, NULL, 'f' },
{ "stdout", no_argument, NULL, 'c' },
{ "to-stdout", no_argument, NULL, 'c' },
{ "single-stream", no_argument, NULL, OPT_SINGLE_STREAM },
{ "no-sparse", no_argument, NULL, OPT_NO_SPARSE },
{ "suffix", required_argument, NULL, 'S' },
// { "recursive", no_argument, NULL, 'r' }, // TODO
{ "files", optional_argument, NULL, OPT_FILES },
{ "files0", optional_argument, NULL, OPT_FILES0 },
// Basic compression settings
{ "format", required_argument, NULL, 'F' },
{ "check", required_argument, NULL, 'C' },
{ "block-size", required_argument, NULL, OPT_BLOCK_SIZE },
{ "memlimit-compress", required_argument, NULL, OPT_MEM_COMPRESS },
{ "memlimit-decompress", required_argument, NULL, OPT_MEM_DECOMPRESS },
{ "memlimit", required_argument, NULL, 'M' },
{ "memory", required_argument, NULL, 'M' }, // Old alias
{ "no-adjust", no_argument, NULL, OPT_NO_ADJUST },
{ "threads", required_argument, NULL, 'T' },
{ "extreme", no_argument, NULL, 'e' },
{ "fast", no_argument, NULL, '0' },
{ "best", no_argument, NULL, '9' },
// Filters
{ "lzma1", optional_argument, NULL, OPT_LZMA1 },
{ "lzma2", optional_argument, NULL, OPT_LZMA2 },
{ "x86", optional_argument, NULL, OPT_X86 },
{ "powerpc", optional_argument, NULL, OPT_POWERPC },
{ "ia64", optional_argument, NULL, OPT_IA64 },
{ "arm", optional_argument, NULL, OPT_ARM },
{ "armthumb", optional_argument, NULL, OPT_ARMTHUMB },
{ "sparc", optional_argument, NULL, OPT_SPARC },
{ "delta", optional_argument, NULL, OPT_DELTA },
// Other options
{ "quiet", no_argument, NULL, 'q' },
{ "verbose", no_argument, NULL, 'v' },
{ "no-warn", no_argument, NULL, 'Q' },
{ "robot", no_argument, NULL, OPT_ROBOT },
{ "info-memory", no_argument, NULL, OPT_INFO_MEMORY },
{ "help", no_argument, NULL, 'h' },
{ "long-help", no_argument, NULL, 'H' },
{ "version", no_argument, NULL, 'V' },
{ NULL, 0, NULL, 0 }
};
int c;
while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL))
!= -1) {
switch (c) {
// Compression preset (also for decompression if --format=raw)
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
coder_set_preset(c - '0');
break;
// --memlimit-compress
case OPT_MEM_COMPRESS:
parse_memlimit("memlimit-compress",
"memlimit-compress%", optarg,
true, false);
break;
// --memlimit-decompress
case OPT_MEM_DECOMPRESS:
parse_memlimit("memlimit-decompress",
"memlimit-decompress%", optarg,
false, true);
break;
// --memlimit
case 'M':
parse_memlimit("memlimit", "memlimit%", optarg,
true, true);
break;
// --suffix
case 'S':
suffix_set(optarg);
break;
case 'T':
// The max is from src/liblzma/common/common.h.
hardware_threads_set(str_to_uint64("threads",
optarg, 0, 16384));
break;
// --version
case 'V':
// This doesn't return.
message_version();
// --stdout
case 'c':
opt_stdout = true;
break;
// --decompress
case 'd':
opt_mode = MODE_DECOMPRESS;
break;
// --extreme
case 'e':
coder_set_extreme();
break;
// --force
case 'f':
opt_force = true;
break;
// --info-memory
case OPT_INFO_MEMORY:
// This doesn't return.
hardware_memlimit_show();
// --help
case 'h':
// This doesn't return.
message_help(false);
// --long-help
case 'H':
// This doesn't return.
message_help(true);
// --list
case 'l':
opt_mode = MODE_LIST;
break;
// --keep
case 'k':
opt_keep_original = true;
break;
// --quiet
case 'q':
message_verbosity_decrease();
break;
case 'Q':
set_exit_no_warn();
break;
case 't':
opt_mode = MODE_TEST;
break;
// --verbose
case 'v':
message_verbosity_increase();
break;
// --robot
case OPT_ROBOT:
opt_robot = true;
// This is to make sure that floating point numbers
// always have a dot as decimal separator.
setlocale(LC_NUMERIC, "C");
break;
case 'z':
opt_mode = MODE_COMPRESS;
break;
// Filter setup
case OPT_X86:
coder_add_filter(LZMA_FILTER_X86,
options_bcj(optarg));
break;
case OPT_POWERPC:
coder_add_filter(LZMA_FILTER_POWERPC,
options_bcj(optarg));
break;
case OPT_IA64:
coder_add_filter(LZMA_FILTER_IA64,
options_bcj(optarg));
break;
case OPT_ARM:
coder_add_filter(LZMA_FILTER_ARM,
options_bcj(optarg));
break;
case OPT_ARMTHUMB:
coder_add_filter(LZMA_FILTER_ARMTHUMB,
options_bcj(optarg));
break;
case OPT_SPARC:
coder_add_filter(LZMA_FILTER_SPARC,
options_bcj(optarg));
break;
case OPT_DELTA:
coder_add_filter(LZMA_FILTER_DELTA,
options_delta(optarg));
break;
case OPT_LZMA1:
coder_add_filter(LZMA_FILTER_LZMA1,
options_lzma(optarg));
break;
case OPT_LZMA2:
coder_add_filter(LZMA_FILTER_LZMA2,
options_lzma(optarg));
break;
// Other
// --format
case 'F': {
// Just in case, support both "lzma" and "alone" since
// the latter was used for forward compatibility in
// LZMA Utils 4.32.x.
static const struct {
char str[8];
enum format_type format;
} types[] = {
{ "auto", FORMAT_AUTO },
{ "xz", FORMAT_XZ },
{ "lzma", FORMAT_LZMA },
{ "alone", FORMAT_LZMA },
// { "gzip", FORMAT_GZIP },
// { "gz", FORMAT_GZIP },
{ "raw", FORMAT_RAW },
};
size_t i = 0;
while (strcmp(types[i].str, optarg) != 0)
if (++i == ARRAY_SIZE(types))
message_fatal(_("%s: Unknown file "
"format type"),
optarg);
opt_format = types[i].format;
break;
}
// --check
case 'C': {
static const struct {
char str[8];
lzma_check check;
} types[] = {
{ "none", LZMA_CHECK_NONE },
{ "crc32", LZMA_CHECK_CRC32 },
{ "crc64", LZMA_CHECK_CRC64 },
{ "sha256", LZMA_CHECK_SHA256 },
};
size_t i = 0;
while (strcmp(types[i].str, optarg) != 0) {
if (++i == ARRAY_SIZE(types))
message_fatal(_("%s: Unsupported "
"integrity "
"check type"), optarg);
}
// Use a separate check in case we are using different
// liblzma than what was used to compile us.
if (!lzma_check_is_supported(types[i].check))
message_fatal(_("%s: Unsupported integrity "
"check type"), optarg);
coder_set_check(types[i].check);
break;
}
case OPT_BLOCK_SIZE:
opt_block_size = str_to_uint64("block-size", optarg,
0, LZMA_VLI_MAX);
break;
case OPT_SINGLE_STREAM:
opt_single_stream = true;
break;
case OPT_NO_SPARSE:
io_no_sparse();
break;
case OPT_FILES:
args->files_delim = '\n';
// Fall through
case OPT_FILES0:
if (args->files_name != NULL)
message_fatal(_("Only one file can be "
"specified with `--files' "
"or `--files0'."));
if (optarg == NULL) {
args->files_name = (char *)stdin_filename;
args->files_file = stdin;
} else {
args->files_name = optarg;
args->files_file = fopen(optarg,
c == OPT_FILES ? "r" : "rb");
if (args->files_file == NULL)
message_fatal("%s: %s", optarg,
strerror(errno));
}
break;
case OPT_NO_ADJUST:
opt_auto_adjust = false;
break;
default:
message_try_help();
tuklib_exit(E_ERROR, E_ERROR, false);
}
}
return;
}
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);
}
