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diff --git a/Build/source/extra/xz-4.999.9beta/src/xz/main.c b/Build/source/extra/xz-4.999.9beta/src/xz/main.c
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index 00000000000..4121f8d48bc
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+++ b/Build/source/extra/xz-4.999.9beta/src/xz/main.c
@@ -0,0 +1,312 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file main.c
+/// \brief main()
+//
+// Author: Lasse Collin
+//
+// This file has been put into the public domain.
+// You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "private.h"
+#include <ctype.h>
+
+
+/// Exit status to use. This can be changed with set_exit_status().
+static enum exit_status_type exit_status = E_SUCCESS;
+
+/// True if --no-warn is specified. When this is true, we don't set
+/// the exit status to E_WARNING when something worth a warning happens.
+static bool no_warn = false;
+
+
+extern void
+set_exit_status(enum exit_status_type new_status)
+{
+ assert(new_status == E_WARNING || new_status == E_ERROR);
+
+ if (exit_status != E_ERROR)
+ exit_status = new_status;
+
+ return;
+}
+
+
+extern void
+set_exit_no_warn(void)
+{
+ no_warn = true;
+ return;
+}
+
+
+extern void
+my_exit(enum exit_status_type status)
+{
+ // Close stdout. If something goes wrong, print an error message
+ // to stderr.
+ {
+ const int ferror_err = ferror(stdout);
+ const int fclose_err = fclose(stdout);
+ if (ferror_err || fclose_err) {
+ // If it was fclose() that failed, we have the reason
+ // in errno. If only ferror() indicated an error,
+ // we have no idea what the reason was.
+ message(V_ERROR, "%s: %s", _("Writing to standard "
+ "output failed"),
+ fclose_err ? strerror(errno)
+ : _("Unknown error"));
+ status = E_ERROR;
+ }
+ }
+
+ // Close stderr. If something goes wrong, there's nothing where we
+ // could print an error message. Just set the exit status.
+ {
+ const int ferror_err = ferror(stderr);
+ const int fclose_err = fclose(stderr);
+ if (fclose_err || ferror_err)
+ status = E_ERROR;
+ }
+
+ // Suppress the exit status indicating a warning if --no-warn
+ // was specified.
+ if (status == E_WARNING && no_warn)
+ status = E_SUCCESS;
+
+ // If we have got a signal, raise it to kill the program.
+ // Otherwise we just call exit().
+ signals_exit();
+ exit(status);
+}
+
+
+static const char *
+read_name(const args_info *args)
+{
+ // FIXME: Maybe we should have some kind of memory usage limit here
+ // like the tool has for the actual compression and uncompression.
+ // Giving some huge text file with --files0 makes us to read the
+ // whole file in RAM.
+ static char *name = NULL;
+ static size_t size = 256;
+
+ // Allocate the initial buffer. This is never freed, since after it
+ // is no longer needed, the program exits very soon. It is safe to
+ // use xmalloc() and xrealloc() in this function, because while
+ // executing this function, no files are open for writing, and thus
+ // there's no need to cleanup anything before exiting.
+ if (name == NULL)
+ name = xmalloc(size);
+
+ // Write position in name
+ size_t pos = 0;
+
+ // Read one character at a time into name.
+ while (!user_abort) {
+ const int c = fgetc(args->files_file);
+
+ if (ferror(args->files_file)) {
+ // Take care of EINTR since we have established
+ // the signal handlers already.
+ if (errno == EINTR)
+ continue;
+
+ message_error(_("%s: Error reading filenames: %s"),
+ args->files_name, strerror(errno));
+ return NULL;
+ }
+
+ if (feof(args->files_file)) {
+ if (pos != 0)
+ message_error(_("%s: Unexpected end of input "
+ "when reading filenames"),
+ args->files_name);
+
+ return NULL;
+ }
+
+ if (c == args->files_delim) {
+ // We allow consecutive newline (--files) or '\0'
+ // characters (--files0), and ignore such empty
+ // filenames.
+ if (pos == 0)
+ continue;
+
+ // A non-empty name was read. Terminate it with '\0'
+ // and return it.
+ name[pos] = '\0';
+ return name;
+ }
+
+ if (c == '\0') {
+ // A null character was found when using --files,
+ // which expects plain text input separated with
+ // newlines.
+ message_error(_("%s: Null character found when "
+ "reading filenames; maybe you meant "
+ "to use `--files0' instead "
+ "of `--files'?"), args->files_name);
+ return NULL;
+ }
+
+ name[pos++] = c;
+
+ // Allocate more memory if needed. There must always be space
+ // at least for one character to allow terminating the string
+ // with '\0'.
+ if (pos == size) {
+ size *= 2;
+ name = xrealloc(name, size);
+ }
+ }
+
+ return NULL;
+}
+
+
+int
+main(int argc, char **argv)
+{
+ // Initialize the file I/O as the very first step. This makes sure
+ // that stdin, stdout, and stderr are something valid.
+ io_init();
+
+#ifdef DOSLIKE
+ // Adjust argv[0] to make it look nicer in messages, and also to
+ // help the code in args.c.
+ {
+ // Strip the leading path.
+ char *p = argv[0] + strlen(argv[0]);
+ while (argv[0] < p && p[-1] != '/' && p[-1] != '\\')
+ --p;
+
+ argv[0] = p;
+
+ // Strip the .exe suffix.
+ p = strrchr(p, '.');
+ if (p != NULL)
+ *p = '\0';
+
+ // Make it lowercase.
+ for (p = argv[0]; *p != '\0'; ++p)
+ if (*p >= 'A' && *p <= 'Z')
+ *p = *p - 'A' + 'a';
+ }
+#endif
+
+ // Set up the locale.
+ setlocale(LC_ALL, "");
+
+#ifdef ENABLE_NLS
+ // Set up the message translations too.
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+#endif
+
+ // Set the program invocation name used in various messages, and
+ // do other message handling related initializations.
+ message_init(argv[0]);
+
+ // Set hardware-dependent default values. These can be overriden
+ // on the command line, thus this must be done before parse_args().
+ 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);
+
+ // 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 and --force wasn't used.
+ if (opt_mode == MODE_COMPRESS && !opt_force) {
+ if (opt_stdout || (args.arg_count == 1
+ && strcmp(args.arg_names[0], "-") == 0)) {
+ if (is_tty_stdout()) {
+ message_try_help();
+ my_exit(E_ERROR);
+ }
+ }
+ }
+
+ if (opt_mode == MODE_LIST) {
+ message_fatal("--list is not implemented yet.");
+ }
+
+ // Hook the signal handlers. We don't need these before we start
+ // the actual action, so this is done after parsing the command
+ // line arguments.
+ signals_init();
+
+ // Process the files given on the command line. Note that if no names
+ // were given, parse_args() 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. Unless --force
+ // was used, check that we aren't writing compressed
+ // data to a terminal or reading it from terminal.
+ if (!opt_force) {
+ 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 uncompression.
+ coder_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');
+ coder_run(name);
+ }
+
+ if (args.files_name != stdin_filename)
+ (void)fclose(args.files_file);
+ }
+
+ my_exit(exit_status);
+}