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-rw-r--r--Build/source/extra/xz/src/liblzma/api/Makefile.am24
-rw-r--r--Build/source/extra/xz/src/liblzma/api/Makefile.in516
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma.h314
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/base.h596
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/bcj.h90
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/block.h529
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/check.h150
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/container.h404
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/delta.h77
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/filter.h421
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/hardware.h51
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/index.h676
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/index_hash.h107
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/lzma.h397
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/stream_flags.h227
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/subblock.h200
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/version.h121
-rw-r--r--Build/source/extra/xz/src/liblzma/api/lzma/vli.h167
18 files changed, 5067 insertions, 0 deletions
diff --git a/Build/source/extra/xz/src/liblzma/api/Makefile.am b/Build/source/extra/xz/src/liblzma/api/Makefile.am
new file mode 100644
index 00000000000..4536b0ac320
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/Makefile.am
@@ -0,0 +1,24 @@
+##
+## Author: Lasse Collin
+##
+## This file has been put into the public domain.
+## You can do whatever you want with this file.
+##
+
+nobase_include_HEADERS = \
+ lzma.h \
+ lzma/base.h \
+ lzma/bcj.h \
+ lzma/block.h \
+ lzma/check.h \
+ lzma/container.h \
+ lzma/delta.h \
+ lzma/filter.h \
+ lzma/hardware.h \
+ lzma/index.h \
+ lzma/index_hash.h \
+ lzma/lzma.h \
+ lzma/stream_flags.h \
+ lzma/subblock.h \
+ lzma/version.h \
+ lzma/vli.h
diff --git a/Build/source/extra/xz/src/liblzma/api/Makefile.in b/Build/source/extra/xz/src/liblzma/api/Makefile.in
new file mode 100644
index 00000000000..810f3bf0cc7
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/Makefile.in
@@ -0,0 +1,516 @@
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+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-nobase_includeHEADERS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool ctags distclean distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-nobase_includeHEADERS \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags uninstall uninstall-am uninstall-nobase_includeHEADERS
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma.h b/Build/source/extra/xz/src/liblzma/api/lzma.h
new file mode 100644
index 00000000000..84279211cf3
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma.h
@@ -0,0 +1,314 @@
+/**
+ * \file api/lzma.h
+ * \brief The public API of liblzma data compression library
+ *
+ * liblzma is a public domain general-purpose data compression library with
+ * a zlib-like API. The native file format is .xz, but also the old .lzma
+ * format and raw (no headers) streams are supported. Multiple compression
+ * algorithms (filters) are supported. Currently LZMA2 is the primary filter.
+ *
+ * liblzma is part of XZ Utils <http://tukaani.org/xz/>. XZ Utils includes
+ * a gzip-like command line tool named xz and some other tools. XZ Utils
+ * is developed and maintained by Lasse Collin.
+ *
+ * Major parts of liblzma are based on Igor Pavlov's public domain LZMA SDK
+ * <http://7-zip.org/sdk.html>.
+ *
+ * The SHA-256 implementation is based on the public domain code found from
+ * 7-Zip <http://7-zip.org/>, which has a modified version of the public
+ * domain SHA-256 code found from Crypto++ <http://www.cryptopp.com/>.
+ * The SHA-256 code in Crypto++ was written by Kevin Springle and Wei Dai.
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ */
+
+#ifndef LZMA_H
+#define LZMA_H
+
+/*****************************
+ * Required standard headers *
+ *****************************/
+
+/*
+ * liblzma API headers need some standard types and macros. To allow
+ * including lzma.h without requiring the application to include other
+ * headers first, lzma.h includes the required standard headers unless
+ * they already seem to be included already or if LZMA_MANUAL_HEADERS
+ * has been defined.
+ *
+ * Here's what types and macros are needed and from which headers:
+ * - stddef.h: size_t, NULL
+ * - stdint.h: uint8_t, uint32_t, uint64_t, UINT32_C(n), uint64_C(n),
+ * UINT32_MAX, UINT64_MAX
+ *
+ * However, inttypes.h is a little more portable than stdint.h, although
+ * inttypes.h declares some unneeded things compared to plain stdint.h.
+ *
+ * The hacks below aren't perfect, specifically they assume that inttypes.h
+ * exists and that it typedefs at least uint8_t, uint32_t, and uint64_t,
+ * and that, in case of incomplete inttypes.h, unsigned int is 32-bit.
+ * If the application already takes care of setting up all the types and
+ * macros properly (for example by using gnulib's stdint.h or inttypes.h),
+ * we try to detect that the macros are already defined and don't include
+ * inttypes.h here again. However, you may define LZMA_MANUAL_HEADERS to
+ * force this file to never include any system headers.
+ *
+ * Some could argue that liblzma API should provide all the required types,
+ * for example lzma_uint64, LZMA_UINT64_C(n), and LZMA_UINT64_MAX. This was
+ * seen unnecessary mess, since most systems already provide all the necessary
+ * types and macros in the standard headers.
+ *
+ * Note that liblzma API still has lzma_bool, because using stdbool.h would
+ * break C89 and C++ programs on many systems. sizeof(bool) in C99 isn't
+ * necessarily the same as sizeof(bool) in C++.
+ */
+
+#ifndef LZMA_MANUAL_HEADERS
+ /*
+ * I suppose this works portably also in C++. Note that in C++,
+ * we need to get size_t into the global namespace.
+ */
+# include <stddef.h>
+
+ /*
+ * Skip inttypes.h if we already have all the required macros. If we
+ * have the macros, we assume that we have the matching typedefs too.
+ */
+# if !defined(UINT32_C) || !defined(UINT64_C) \
+ || !defined(UINT32_MAX) || !defined(UINT64_MAX)
+ /*
+ * MSVC has no C99 support, and thus it cannot be used to
+ * compile liblzma. The liblzma API has to still be usable
+ * from MSVC, so we need to define the required standard
+ * integer types here.
+ */
+# if defined(_WIN32) && defined(_MSC_VER)
+ typedef unsigned __int8 uint8_t;
+ typedef unsigned __int32 uint32_t;
+ typedef unsigned __int64 uint64_t;
+# else
+ /* Use the standard inttypes.h. */
+# ifdef __cplusplus
+ /*
+ * C99 sections 7.18.2 and 7.18.4 specify
+ * that C++ implementations define the limit
+ * and constant macros only if specifically
+ * requested. Note that if you want the
+ * format macros (PRIu64 etc.) too, you need
+ * to define __STDC_FORMAT_MACROS before
+ * including lzma.h, since re-including
+ * inttypes.h with __STDC_FORMAT_MACROS
+ * defined doesn't necessarily work.
+ */
+# ifndef __STDC_LIMIT_MACROS
+# define __STDC_LIMIT_MACROS 1
+# endif
+# ifndef __STDC_CONSTANT_MACROS
+# define __STDC_CONSTANT_MACROS 1
+# endif
+# endif
+
+# include <inttypes.h>
+# endif
+
+ /*
+ * Some old systems have only the typedefs in inttypes.h, and
+ * lack all the macros. For those systems, we need a few more
+ * hacks. We assume that unsigned int is 32-bit and unsigned
+ * long is either 32-bit or 64-bit. If these hacks aren't
+ * enough, the application has to setup the types manually
+ * before including lzma.h.
+ */
+# ifndef UINT32_C
+# if defined(_WIN32) && defined(_MSC_VER)
+# define UINT32_C(n) n ## UI32
+# else
+# define UINT32_C(n) n ## U
+# endif
+# endif
+
+# ifndef UINT64_C
+# if defined(_WIN32) && defined(_MSC_VER)
+# define UINT64_C(n) n ## UI64
+# else
+ /* Get ULONG_MAX. */
+# include <limits.h>
+# if ULONG_MAX == 4294967295UL
+# define UINT64_C(n) n ## ULL
+# else
+# define UINT64_C(n) n ## UL
+# endif
+# endif
+# endif
+
+# ifndef UINT32_MAX
+# define UINT32_MAX (UINT32_C(4294967295))
+# endif
+
+# ifndef UINT64_MAX
+# define UINT64_MAX (UINT64_C(18446744073709551615))
+# endif
+# endif
+#endif /* ifdef LZMA_MANUAL_HEADERS */
+
+
+/******************
+ * LZMA_API macro *
+ ******************/
+
+/*
+ * Some systems require that the functions and function pointers are
+ * declared specially in the headers. LZMA_API_IMPORT is for importing
+ * symbols and LZMA_API_CALL is to specify the calling convention.
+ *
+ * By default it is assumed that the application will link dynamically
+ * against liblzma. #define LZMA_API_STATIC in your application if you
+ * want to link against static liblzma. If you don't care about portability
+ * to operating systems like Windows, or at least don't care about linking
+ * against static liblzma on them, don't worry about LZMA_API_STATIC. That
+ * is, most developers will never need to use LZMA_API_STATIC.
+ *
+ * The GCC variants are a special case on Windows (Cygwin and MinGW).
+ * We rely on GCC doing the right thing with its auto-import feature,
+ * and thus don't use __declspec(dllimport). This way developers don't
+ * need to worry about LZMA_API_STATIC. Also the calling convention is
+ * omitted on Cygwin but not on MinGW.
+ */
+#ifndef LZMA_API_IMPORT
+# if !defined(LZMA_API_STATIC) && defined(_WIN32) && !defined(__GNUC__)
+# define LZMA_API_IMPORT __declspec(dllimport)
+# else
+# define LZMA_API_IMPORT
+# endif
+#endif
+
+#ifndef LZMA_API_CALL
+# if defined(_WIN32) && !defined(__CYGWIN__)
+# define LZMA_API_CALL __cdecl
+# else
+# define LZMA_API_CALL
+# endif
+#endif
+
+#ifndef LZMA_API
+# define LZMA_API(type) LZMA_API_IMPORT type LZMA_API_CALL
+#endif
+
+
+/***********
+ * nothrow *
+ ***********/
+
+/*
+ * None of the functions in liblzma may throw an exception. Even
+ * the functions that use callback functions won't throw exceptions,
+ * because liblzma would break if a callback function threw an exception.
+ */
+#ifndef lzma_nothrow
+# if defined(__cplusplus)
+# define lzma_nothrow throw()
+# elif __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
+# define lzma_nothrow __attribute__((__nothrow__))
+# else
+# define lzma_nothrow
+# endif
+#endif
+
+
+/********************
+ * GNU C extensions *
+ ********************/
+
+/*
+ * GNU C extensions are used conditionally in the public API. It doesn't
+ * break anything if these are sometimes enabled and sometimes not, only
+ * affects warnings and optimizations.
+ */
+#if __GNUC__ >= 3
+# ifndef lzma_attribute
+# define lzma_attribute(attr) __attribute__(attr)
+# endif
+
+ /* warn_unused_result was added in GCC 3.4. */
+# ifndef lzma_attr_warn_unused_result
+# if __GNUC__ == 3 && __GNUC_MINOR__ < 4
+# define lzma_attr_warn_unused_result
+# endif
+# endif
+
+#else
+# ifndef lzma_attribute
+# define lzma_attribute(attr)
+# endif
+#endif
+
+
+#ifndef lzma_attr_pure
+# define lzma_attr_pure lzma_attribute((__pure__))
+#endif
+
+#ifndef lzma_attr_const
+# define lzma_attr_const lzma_attribute((__const__))
+#endif
+
+#ifndef lzma_attr_warn_unused_result
+# define lzma_attr_warn_unused_result \
+ lzma_attribute((__warn_unused_result__))
+#endif
+
+
+/**************
+ * Subheaders *
+ **************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Subheaders check that this is defined. It is to prevent including
+ * them directly from applications.
+ */
+#define LZMA_H_INTERNAL 1
+
+/* Basic features */
+#include "lzma/version.h"
+#include "lzma/base.h"
+#include "lzma/vli.h"
+#include "lzma/check.h"
+
+/* Filters */
+#include "lzma/filter.h"
+#include "lzma/subblock.h"
+#include "lzma/bcj.h"
+#include "lzma/delta.h"
+#include "lzma/lzma.h"
+
+/* Container formats */
+#include "lzma/container.h"
+
+/* Advanced features */
+#include "lzma/stream_flags.h"
+#include "lzma/block.h"
+#include "lzma/index.h"
+#include "lzma/index_hash.h"
+
+/* Hardware information */
+#include "lzma/hardware.h"
+
+/*
+ * All subheaders included. Undefine LZMA_H_INTERNAL to prevent applications
+ * re-including the subheaders.
+ */
+#undef LZMA_H_INTERNAL
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ifndef LZMA_H */
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/base.h b/Build/source/extra/xz/src/liblzma/api/lzma/base.h
new file mode 100644
index 00000000000..993626a4cdf
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/base.h
@@ -0,0 +1,596 @@
+/**
+ * \file lzma/base.h
+ * \brief Data types and functions used in many places in liblzma API
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Boolean
+ *
+ * This is here because C89 doesn't have stdbool.h. To set a value for
+ * variables having type lzma_bool, you can use
+ * - C99's `true' and `false' from stdbool.h;
+ * - C++'s internal `true' and `false'; or
+ * - integers one (true) and zero (false).
+ */
+typedef unsigned char lzma_bool;
+
+
+/**
+ * \brief Type of reserved enumeration variable in structures
+ *
+ * To avoid breaking library ABI when new features are added, several
+ * structures contain extra variables that may be used in future. Since
+ * sizeof(enum) can be different than sizeof(int), and sizeof(enum) may
+ * even vary depending on the range of enumeration constants, we specify
+ * a separate type to be used for reserved enumeration variables. All
+ * enumeration constants in liblzma API will be non-negative and less
+ * than 128, which should guarantee that the ABI won't break even when
+ * new constants are added to existing enumerations.
+ */
+typedef enum {
+ LZMA_RESERVED_ENUM = 0
+} lzma_reserved_enum;
+
+
+/**
+ * \brief Return values used by several functions in liblzma
+ *
+ * Check the descriptions of specific functions to find out which return
+ * values they can return. With some functions the return values may have
+ * more specific meanings than described here; those differences are
+ * described per-function basis.
+ */
+typedef enum {
+ LZMA_OK = 0,
+ /**<
+ * \brief Operation completed successfully
+ */
+
+ LZMA_STREAM_END = 1,
+ /**<
+ * \brief End of stream was reached
+ *
+ * In encoder, LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, or
+ * LZMA_FINISH was finished. In decoder, this indicates
+ * that all the data was successfully decoded.
+ *
+ * In all cases, when LZMA_STREAM_END is returned, the last
+ * output bytes should be picked from strm->next_out.
+ */
+
+ LZMA_NO_CHECK = 2,
+ /**<
+ * \brief Input stream has no integrity check
+ *
+ * This return value can be returned only if the
+ * LZMA_TELL_NO_CHECK flag was used when initializing
+ * the decoder. LZMA_NO_CHECK is just a warning, and
+ * the decoding can be continued normally.
+ *
+ * It is possible to call lzma_get_check() immediately after
+ * lzma_code has returned LZMA_NO_CHECK. The result will
+ * naturally be LZMA_CHECK_NONE, but the possibility to call
+ * lzma_get_check() may be convenient in some applications.
+ */
+
+ LZMA_UNSUPPORTED_CHECK = 3,
+ /**<
+ * \brief Cannot calculate the integrity check
+ *
+ * The usage of this return value is different in encoders
+ * and decoders.
+ *
+ * Encoders can return this value only from the initialization
+ * function. If initialization fails with this value, the
+ * encoding cannot be done, because there's no way to produce
+ * output with the correct integrity check.
+ *
+ * Decoders can return this value only from lzma_code() and
+ * only if the LZMA_TELL_UNSUPPORTED_CHECK flag was used when
+ * initializing the decoder. The decoding can still be
+ * continued normally even if the check type is unsupported,
+ * but naturally the check will not be validated, and possible
+ * errors may go undetected.
+ *
+ * With decoder, it is possible to call lzma_get_check()
+ * immediately after lzma_code() has returned
+ * LZMA_UNSUPPORTED_CHECK. This way it is possible to find
+ * out what the unsupported Check ID was.
+ */
+
+ LZMA_GET_CHECK = 4,
+ /**<
+ * \brief Integrity check type is now available
+ *
+ * This value can be returned only by the lzma_code() function
+ * and only if the decoder was initialized with the
+ * LZMA_TELL_ANY_CHECK flag. LZMA_GET_CHECK tells the
+ * application that it may now call lzma_get_check() to find
+ * out the Check ID. This can be used, for example, to
+ * implement a decoder that accepts only files that have
+ * strong enough integrity check.
+ */
+
+ LZMA_MEM_ERROR = 5,
+ /**<
+ * \brief Cannot allocate memory
+ *
+ * Memory allocation failed, or the size of the allocation
+ * would be greater than SIZE_MAX.
+ *
+ * Due to internal implementation reasons, the coding cannot
+ * be continued even if more memory were made available after
+ * LZMA_MEM_ERROR.
+ */
+
+ LZMA_MEMLIMIT_ERROR = 6,
+ /**
+ * \brief Memory usage limit was reached
+ *
+ * Decoder would need more memory than allowed by the
+ * specified memory usage limit. To continue decoding,
+ * the memory usage limit has to be increased with
+ * lzma_memlimit_set().
+ */
+
+ LZMA_FORMAT_ERROR = 7,
+ /**<
+ * \brief File format not recognized
+ *
+ * The decoder did not recognize the input as supported file
+ * format. This error can occur, for example, when trying to
+ * decode .lzma format file with lzma_stream_decoder,
+ * because lzma_stream_decoder accepts only the .xz format.
+ */
+
+ LZMA_OPTIONS_ERROR = 8,
+ /**<
+ * \brief Invalid or unsupported options
+ *
+ * Invalid or unsupported options, for example
+ * - unsupported filter(s) or filter options; or
+ * - reserved bits set in headers (decoder only).
+ *
+ * Rebuilding liblzma with more features enabled, or
+ * upgrading to a newer version of liblzma may help.
+ */
+
+ LZMA_DATA_ERROR = 9,
+ /**<
+ * \brief Data is corrupt
+ *
+ * The usage of this return value is different in encoders
+ * and decoders. In both encoder and decoder, the coding
+ * cannot continue after this error.
+ *
+ * Encoders return this if size limits of the target file
+ * format would be exceeded. These limits are huge, thus
+ * getting this error from an encoder is mostly theoretical.
+ * For example, the maximum compressed and uncompressed
+ * size of a .xz Stream is roughly 8 EiB (2^63 bytes).
+ *
+ * Decoders return this error if the input data is corrupt.
+ * This can mean, for example, invalid CRC32 in headers
+ * or invalid check of uncompressed data.
+ */
+
+ LZMA_BUF_ERROR = 10,
+ /**<
+ * \brief No progress is possible
+ *
+ * This error code is returned when the coder cannot consume
+ * any new input and produce any new output. The most common
+ * reason for this error is that the input stream being
+ * decoded is truncated or corrupt.
+ *
+ * This error is not fatal. Coding can be continued normally
+ * by providing more input and/or more output space, if
+ * possible.
+ *
+ * Typically the first call to lzma_code() that can do no
+ * progress returns LZMA_OK instead of LZMA_BUF_ERROR. Only
+ * the second consecutive call doing no progress will return
+ * LZMA_BUF_ERROR. This is intentional.
+ *
+ * With zlib, Z_BUF_ERROR may be returned even if the
+ * application is doing nothing wrong, so apps will need
+ * to handle Z_BUF_ERROR specially. The above hack
+ * guarantees that liblzma never returns LZMA_BUF_ERROR
+ * to properly written applications unless the input file
+ * is truncated or corrupt. This should simplify the
+ * applications a little.
+ */
+
+ LZMA_PROG_ERROR = 11,
+ /**<
+ * \brief Programming error
+ *
+ * This indicates that the arguments given to the function are
+ * invalid or the internal state of the decoder is corrupt.
+ * - Function arguments are invalid or the structures
+ * pointed by the argument pointers are invalid
+ * e.g. if strm->next_out has been set to NULL and
+ * strm->avail_out > 0 when calling lzma_code().
+ * - lzma_* functions have been called in wrong order
+ * e.g. lzma_code() was called right after lzma_end().
+ * - If errors occur randomly, the reason might be flaky
+ * hardware.
+ *
+ * If you think that your code is correct, this error code
+ * can be a sign of a bug in liblzma. See the documentation
+ * how to report bugs.
+ */
+} lzma_ret;
+
+
+/**
+ * \brief The `action' argument for lzma_code()
+ *
+ * After the first use of LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, or LZMA_FINISH,
+ * the same `action' must is used until lzma_code() returns LZMA_STREAM_END.
+ * Also, the amount of input (that is, strm->avail_in) must not be modified
+ * by the application until lzma_code() returns LZMA_STREAM_END. Changing the
+ * `action' or modifying the amount of input will make lzma_code() return
+ * LZMA_PROG_ERROR.
+ */
+typedef enum {
+ LZMA_RUN = 0,
+ /**<
+ * \brief Continue coding
+ *
+ * Encoder: Encode as much input as possible. Some internal
+ * buffering will probably be done (depends on the filter
+ * chain in use), which causes latency: the input used won't
+ * usually be decodeable from the output of the same
+ * lzma_code() call.
+ *
+ * Decoder: Decode as much input as possible and produce as
+ * much output as possible.
+ */
+
+ LZMA_SYNC_FLUSH = 1,
+ /**<
+ * \brief Make all the input available at output
+ *
+ * Normally the encoder introduces some latency.
+ * LZMA_SYNC_FLUSH forces all the buffered data to be
+ * available at output without resetting the internal
+ * state of the encoder. This way it is possible to use
+ * compressed stream for example for communication over
+ * network.
+ *
+ * Only some filters support LZMA_SYNC_FLUSH. Trying to use
+ * LZMA_SYNC_FLUSH with filters that don't support it will
+ * make lzma_code() return LZMA_OPTIONS_ERROR. For example,
+ * LZMA1 doesn't support LZMA_SYNC_FLUSH but LZMA2 does.
+ *
+ * Using LZMA_SYNC_FLUSH very often can dramatically reduce
+ * the compression ratio. With some filters (for example,
+ * LZMA2), fine-tuning the compression options may help
+ * mitigate this problem significantly.
+ *
+ * Decoders don't support LZMA_SYNC_FLUSH.
+ */
+
+ LZMA_FULL_FLUSH = 2,
+ /**<
+ * \brief Make all the input available at output
+ *
+ * Finish encoding of the current Block. All the input
+ * data going to the current Block must have been given
+ * to the encoder (the last bytes can still be pending in
+ * next_in). Call lzma_code() with LZMA_FULL_FLUSH until
+ * it returns LZMA_STREAM_END. Then continue normally with
+ * LZMA_RUN or finish the Stream with LZMA_FINISH.
+ *
+ * This action is currently supported only by Stream encoder
+ * and easy encoder (which uses Stream encoder). If there is
+ * no unfinished Block, no empty Block is created.
+ */
+
+ LZMA_FINISH = 3
+ /**<
+ * \brief Finish the coding operation
+ *
+ * Finishes the coding operation. All the input data must
+ * have been given to the encoder (the last bytes can still
+ * be pending in next_in). Call lzma_code() with LZMA_FINISH
+ * until it returns LZMA_STREAM_END. Once LZMA_FINISH has
+ * been used, the amount of input must no longer be changed
+ * by the application.
+ *
+ * When decoding, using LZMA_FINISH is optional unless the
+ * LZMA_CONCATENATED flag was used when the decoder was
+ * initialized. When LZMA_CONCATENATED was not used, the only
+ * effect of LZMA_FINISH is that the amount of input must not
+ * be changed just like in the encoder.
+ */
+} lzma_action;
+
+
+/**
+ * \brief Custom functions for memory handling
+ *
+ * A pointer to lzma_allocator may be passed via lzma_stream structure
+ * to liblzma, and some advanced functions take a pointer to lzma_allocator
+ * as a separate function argument. The library will use the functions
+ * specified in lzma_allocator for memory handling instead of the default
+ * malloc() and free(). C++ users should note that the custom memory
+ * handling functions must not throw exceptions.
+ *
+ * liblzma doesn't make an internal copy of lzma_allocator. Thus, it is
+ * OK to change these function pointers in the middle of the coding
+ * process, but obviously it must be done carefully to make sure that the
+ * replacement `free' can deallocate memory allocated by the earlier
+ * `alloc' function(s).
+ */
+typedef struct {
+ /**
+ * \brief Pointer to a custom memory allocation function
+ *
+ * If you don't want a custom allocator, but still want
+ * custom free(), set this to NULL and liblzma will use
+ * the standard malloc().
+ *
+ * \param opaque lzma_allocator.opaque (see below)
+ * \param nmemb Number of elements like in calloc(). liblzma
+ * will always set nmemb to 1, so it is safe to
+ * ignore nmemb in a custom allocator if you like.
+ * The nmemb argument exists only for
+ * compatibility with zlib and libbzip2.
+ * \param size Size of an element in bytes.
+ * liblzma never sets this to zero.
+ *
+ * \return Pointer to the beginning of a memory block of
+ * `size' bytes, or NULL if allocation fails
+ * for some reason. When allocation fails, functions
+ * of liblzma return LZMA_MEM_ERROR.
+ *
+ * The allocator should not waste time zeroing the allocated buffers.
+ * This is not only about speed, but also memory usage, since the
+ * operating system kernel doesn't necessarily allocate the requested
+ * memory in physical memory until it is actually used. With small
+ * input files, liblzma may actually need only a fraction of the
+ * memory that it requested for allocation.
+ *
+ * \note LZMA_MEM_ERROR is also used when the size of the
+ * allocation would be greater than SIZE_MAX. Thus,
+ * don't assume that the custom allocator must have
+ * returned NULL if some function from liblzma
+ * returns LZMA_MEM_ERROR.
+ */
+ void *(LZMA_API_CALL *alloc)(void *opaque, size_t nmemb, size_t size);
+
+ /**
+ * \brief Pointer to a custom memory freeing function
+ *
+ * If you don't want a custom freeing function, but still
+ * want a custom allocator, set this to NULL and liblzma
+ * will use the standard free().
+ *
+ * \param opaque lzma_allocator.opaque (see below)
+ * \param ptr Pointer returned by lzma_allocator.alloc(),
+ * or when it is set to NULL, a pointer returned
+ * by the standard malloc().
+ */
+ void (LZMA_API_CALL *free)(void *opaque, void *ptr);
+
+ /**
+ * \brief Pointer passed to .alloc() and .free()
+ *
+ * opaque is passed as the first argument to lzma_allocator.alloc()
+ * and lzma_allocator.free(). This intended to ease implementing
+ * custom memory allocation functions for use with liblzma.
+ *
+ * If you don't need this, you should set this to NULL.
+ */
+ void *opaque;
+
+} lzma_allocator;
+
+
+/**
+ * \brief Internal data structure
+ *
+ * The contents of this structure is not visible outside the library.
+ */
+typedef struct lzma_internal_s lzma_internal;
+
+
+/**
+ * \brief Passing data to and from liblzma
+ *
+ * The lzma_stream structure is used for
+ * - passing pointers to input and output buffers to liblzma;
+ * - defining custom memory hander functions; and
+ * - holding a pointer to coder-specific internal data structures.
+ *
+ * Typical usage:
+ *
+ * - After allocating lzma_stream (on stack or with malloc()), it must be
+ * initialized to LZMA_STREAM_INIT (see LZMA_STREAM_INIT for details).
+ *
+ * - Initialize a coder to the lzma_stream, for example by using
+ * lzma_easy_encoder() or lzma_auto_decoder(). Some notes:
+ * - In contrast to zlib, strm->next_in and strm->next_out are
+ * ignored by all initialization functions, thus it is safe
+ * to not initialize them yet.
+ * - The initialization functions always set strm->total_in and
+ * strm->total_out to zero.
+ * - If the initialization function fails, no memory is left allocated
+ * that would require freeing with lzma_end() even if some memory was
+ * associated with the lzma_stream structure when the initialization
+ * function was called.
+ *
+ * - Use lzma_code() to do the actual work.
+ *
+ * - Once the coding has been finished, the existing lzma_stream can be
+ * reused. It is OK to reuse lzma_stream with different initialization
+ * function without calling lzma_end() first. Old allocations are
+ * automatically freed.
+ *
+ * - Finally, use lzma_end() to free the allocated memory. lzma_end() never
+ * frees the lzma_stream structure itself.
+ *
+ * Application may modify the values of total_in and total_out as it wants.
+ * They are updated by liblzma to match the amount of data read and
+ * written, but aren't used for anything else.
+ */
+typedef struct {
+ const uint8_t *next_in; /**< Pointer to the next input byte. */
+ size_t avail_in; /**< Number of available input bytes in next_in. */
+ uint64_t total_in; /**< Total number of bytes read by liblzma. */
+
+ uint8_t *next_out; /**< Pointer to the next output position. */
+ size_t avail_out; /**< Amount of free space in next_out. */
+ uint64_t total_out; /**< Total number of bytes written by liblzma. */
+
+ /**
+ * \brief Custom memory allocation functions
+ *
+ * In most cases this is NULL which makes liblzma use
+ * the standard malloc() and free().
+ */
+ lzma_allocator *allocator;
+
+ /** Internal state is not visible to applications. */
+ lzma_internal *internal;
+
+ /*
+ * Reserved space to allow possible future extensions without
+ * breaking the ABI. Excluding the initialization of this structure,
+ * you should not touch these, because the names of these variables
+ * may change.
+ */
+ void *reserved_ptr1;
+ void *reserved_ptr2;
+ uint64_t reserved_int1;
+ uint64_t reserved_int2;
+ lzma_reserved_enum reserved_enum1;
+ lzma_reserved_enum reserved_enum2;
+
+} lzma_stream;
+
+
+/**
+ * \brief Initialization for lzma_stream
+ *
+ * When you declare an instance of lzma_stream, you can immediately
+ * initialize it so that initialization functions know that no memory
+ * has been allocated yet:
+ *
+ * lzma_stream strm = LZMA_STREAM_INIT;
+ *
+ * If you need to initialize a dynamically allocated lzma_stream, you can use
+ * memset(strm_pointer, 0, sizeof(lzma_stream)). Strictly speaking, this
+ * violates the C standard since NULL may have different internal
+ * representation than zero, but it should be portable enough in practice.
+ * Anyway, for maximum portability, you can use something like this:
+ *
+ * lzma_stream tmp = LZMA_STREAM_INIT;
+ * *strm = tmp;
+ */
+#define LZMA_STREAM_INIT \
+ { NULL, 0, 0, NULL, 0, 0, NULL, NULL, \
+ NULL, NULL, 0, 0, LZMA_RESERVED_ENUM, LZMA_RESERVED_ENUM }
+
+
+/**
+ * \brief Encode or decode data
+ *
+ * Once the lzma_stream has been successfully initialized (e.g. with
+ * lzma_stream_encoder()), the actual encoding or decoding is done
+ * using this function. The application has to update strm->next_in,
+ * strm->avail_in, strm->next_out, and strm->avail_out to pass input
+ * to and get output from liblzma.
+ *
+ * See the description of the coder-specific initialization function to find
+ * out what `action' values are supported by the coder.
+ */
+extern LZMA_API(lzma_ret) lzma_code(lzma_stream *strm, lzma_action action)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Free memory allocated for the coder data structures
+ *
+ * \param strm Pointer to lzma_stream that is at least initialized
+ * with LZMA_STREAM_INIT.
+ *
+ * After lzma_end(strm), strm->internal is guaranteed to be NULL. No other
+ * members of the lzma_stream structure are touched.
+ *
+ * \note zlib indicates an error if application end()s unfinished
+ * stream structure. liblzma doesn't do this, and assumes that
+ * application knows what it is doing.
+ */
+extern LZMA_API(void) lzma_end(lzma_stream *strm) lzma_nothrow;
+
+
+/**
+ * \brief Get the memory usage of decoder filter chain
+ *
+ * This function is currently supported only when *strm has been initialized
+ * with a function that takes a memlimit argument. With other functions, you
+ * should use e.g. lzma_raw_encoder_memusage() or lzma_raw_decoder_memusage()
+ * to estimate the memory requirements.
+ *
+ * This function is useful e.g. after LZMA_MEMLIMIT_ERROR to find out how big
+ * the memory usage limit should have been to decode the input. Note that
+ * this may give misleading information if decoding .xz Streams that have
+ * multiple Blocks, because each Block can have different memory requirements.
+ *
+ * \return Rough estimate of how much memory is currently allocated
+ * for the filter decoders. If no filter chain is currently
+ * allocated, some non-zero value is still returned, which is
+ * less than or equal to what any filter chain would indicate
+ * as its memory requirement.
+ *
+ * If this function isn't supported by *strm or some other error
+ * occurs, zero is returned.
+ */
+extern LZMA_API(uint64_t) lzma_memusage(const lzma_stream *strm)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Get the current memory usage limit
+ *
+ * This function is supported only when *strm has been initialized with
+ * a function that takes a memlimit argument.
+ *
+ * \return On success, the current memory usage limit is returned
+ * (always non-zero). On error, zero is returned.
+ */
+extern LZMA_API(uint64_t) lzma_memlimit_get(const lzma_stream *strm)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Set the memory usage limit
+ *
+ * This function is supported only when *strm has been initialized with
+ * a function that takes a memlimit argument.
+ *
+ * \return - LZMA_OK: New memory usage limit successfully set.
+ * - LZMA_MEMLIMIT_ERROR: The new limit is too small.
+ * The limit was not changed.
+ * - LZMA_PROG_ERROR: Invalid arguments, e.g. *strm doesn't
+ * support memory usage limit or memlimit was zero.
+ */
+extern LZMA_API(lzma_ret) lzma_memlimit_set(
+ lzma_stream *strm, uint64_t memlimit) lzma_nothrow;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/bcj.h b/Build/source/extra/xz/src/liblzma/api/lzma/bcj.h
new file mode 100644
index 00000000000..82e4a440b21
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/bcj.h
@@ -0,0 +1,90 @@
+/**
+ * \file lzma/bcj.h
+ * \brief Branch/Call/Jump conversion filters
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/* Filter IDs for lzma_filter.id */
+
+#define LZMA_FILTER_X86 LZMA_VLI_C(0x04)
+ /**<
+ * Filter for x86 binaries
+ */
+
+#define LZMA_FILTER_POWERPC LZMA_VLI_C(0x05)
+ /**<
+ * Filter for Big endian PowerPC binaries
+ */
+
+#define LZMA_FILTER_IA64 LZMA_VLI_C(0x06)
+ /**<
+ * Filter for IA64 (Itanium) binaries.
+ */
+
+#define LZMA_FILTER_ARM LZMA_VLI_C(0x07)
+ /**<
+ * Filter for ARM binaries.
+ */
+
+#define LZMA_FILTER_ARMTHUMB LZMA_VLI_C(0x08)
+ /**<
+ * Filter for ARMThumb binaries.
+ */
+
+#define LZMA_FILTER_SPARC LZMA_VLI_C(0x09)
+ /**<
+ * Filter for SPARC binaries.
+ */
+
+
+/**
+ * \brief Options for BCJ filters
+ *
+ * The BCJ filters never change the size of the data. Specifying options
+ * for them is optional: if pointer to options is NULL, default value is
+ * used. You probably never need to specify options to BCJ filters, so just
+ * set the options pointer to NULL and be happy.
+ *
+ * If options with non-default values have been specified when encoding,
+ * the same options must also be specified when decoding.
+ *
+ * \note At the moment, none of the BCJ filters support
+ * LZMA_SYNC_FLUSH. If LZMA_SYNC_FLUSH is specified,
+ * LZMA_OPTIONS_ERROR will be returned. If there is need,
+ * partial support for LZMA_SYNC_FLUSH can be added in future.
+ * Partial means that flushing would be possible only at
+ * offsets that are multiple of 2, 4, or 16 depending on
+ * the filter, except x86 which cannot be made to support
+ * LZMA_SYNC_FLUSH predictably.
+ */
+typedef struct {
+ /**
+ * \brief Start offset for conversions
+ *
+ * This setting is useful only when the same filter is used
+ * _separately_ for multiple sections of the same executable file,
+ * and the sections contain cross-section branch/call/jump
+ * instructions. In that case it is beneficial to set the start
+ * offset of the non-first sections so that the relative addresses
+ * of the cross-section branch/call/jump instructions will use the
+ * same absolute addresses as in the first section.
+ *
+ * When the pointer to options is NULL, the default value (zero)
+ * is used.
+ */
+ uint32_t start_offset;
+
+} lzma_options_bcj;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/block.h b/Build/source/extra/xz/src/liblzma/api/lzma/block.h
new file mode 100644
index 00000000000..8e681ed2811
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/block.h
@@ -0,0 +1,529 @@
+/**
+ * \file lzma/block.h
+ * \brief .xz Block handling
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Options for the Block and Block Header encoders and decoders
+ *
+ * Different Block handling functions use different parts of this structure.
+ * Some read some members, other functions write, and some do both. Only the
+ * members listed for reading need to be initialized when the specified
+ * functions are called. The members marked for writing will be assigned
+ * new values at some point either by calling the given function or by
+ * later calls to lzma_code().
+ */
+typedef struct {
+ /**
+ * \brief Block format version
+ *
+ * To prevent API and ABI breakages if new features are needed in
+ * the Block field, a version number is used to indicate which
+ * fields in this structure are in use. For now, version must always
+ * be zero. With non-zero version, most Block related functions will
+ * return LZMA_OPTIONS_ERROR.
+ *
+ * Read by:
+ * - All functions that take pointer to lzma_block as argument,
+ * including lzma_block_header_decode().
+ *
+ * Written by:
+ * - lzma_block_header_decode()
+ */
+ uint32_t version;
+
+ /**
+ * \brief Size of the Block Header field
+ *
+ * This is always a multiple of four.
+ *
+ * Read by:
+ * - lzma_block_header_encode()
+ * - lzma_block_header_decode()
+ * - lzma_block_compressed_size()
+ * - lzma_block_unpadded_size()
+ * - lzma_block_total_size()
+ * - lzma_block_decoder()
+ * - lzma_block_buffer_decode()
+ *
+ * Written by:
+ * - lzma_block_header_size()
+ * - lzma_block_buffer_encode()
+ */
+ uint32_t header_size;
+# define LZMA_BLOCK_HEADER_SIZE_MIN 8
+# define LZMA_BLOCK_HEADER_SIZE_MAX 1024
+
+ /**
+ * \brief Type of integrity Check
+ *
+ * The Check ID is not stored into the Block Header, thus its value
+ * must be provided also when decoding.
+ *
+ * Read by:
+ * - lzma_block_header_encode()
+ * - lzma_block_header_decode()
+ * - lzma_block_compressed_size()
+ * - lzma_block_unpadded_size()
+ * - lzma_block_total_size()
+ * - lzma_block_encoder()
+ * - lzma_block_decoder()
+ * - lzma_block_buffer_encode()
+ * - lzma_block_buffer_decode()
+ */
+ lzma_check check;
+
+ /**
+ * \brief Size of the Compressed Data in bytes
+ *
+ * Encoding: If this is not LZMA_VLI_UNKNOWN, Block Header encoder
+ * will store this value to the Block Header. Block encoder doesn't
+ * care about this value, but will set it once the encoding has been
+ * finished.
+ *
+ * Decoding: If this is not LZMA_VLI_UNKNOWN, Block decoder will
+ * verify that the size of the Compressed Data field matches
+ * compressed_size.
+ *
+ * Usually you don't know this value when encoding in streamed mode,
+ * and thus cannot write this field into the Block Header.
+ *
+ * In non-streamed mode you can reserve space for this field before
+ * encoding the actual Block. After encoding the data, finish the
+ * Block by encoding the Block Header. Steps in detail:
+ *
+ * - Set compressed_size to some big enough value. If you don't know
+ * better, use LZMA_VLI_MAX, but remember that bigger values take
+ * more space in Block Header.
+ *
+ * - Call lzma_block_header_size() to see how much space you need to
+ * reserve for the Block Header.
+ *
+ * - Encode the Block using lzma_block_encoder() and lzma_code().
+ * It sets compressed_size to the correct value.
+ *
+ * - Use lzma_block_header_encode() to encode the Block Header.
+ * Because space was reserved in the first step, you don't need
+ * to call lzma_block_header_size() anymore, because due to
+ * reserving, header_size has to be big enough. If it is "too big",
+ * lzma_block_header_encode() will add enough Header Padding to
+ * make Block Header to match the size specified by header_size.
+ *
+ * Read by:
+ * - lzma_block_header_size()
+ * - lzma_block_header_encode()
+ * - lzma_block_compressed_size()
+ * - lzma_block_unpadded_size()
+ * - lzma_block_total_size()
+ * - lzma_block_decoder()
+ * - lzma_block_buffer_decode()
+ *
+ * Written by:
+ * - lzma_block_header_decode()
+ * - lzma_block_compressed_size()
+ * - lzma_block_encoder()
+ * - lzma_block_decoder()
+ * - lzma_block_buffer_encode()
+ * - lzma_block_buffer_decode()
+ */
+ lzma_vli compressed_size;
+
+ /**
+ * \brief Uncompressed Size in bytes
+ *
+ * This is handled very similarly to compressed_size above.
+ *
+ * uncompressed_size is needed by fewer functions than
+ * compressed_size. This is because uncompressed_size isn't
+ * needed to validate that Block stays within proper limits.
+ *
+ * Read by:
+ * - lzma_block_header_size()
+ * - lzma_block_header_encode()
+ * - lzma_block_decoder()
+ * - lzma_block_buffer_decode()
+ *
+ * Written by:
+ * - lzma_block_header_decode()
+ * - lzma_block_encoder()
+ * - lzma_block_decoder()
+ * - lzma_block_buffer_encode()
+ * - lzma_block_buffer_decode()
+ */
+ lzma_vli uncompressed_size;
+
+ /**
+ * \brief Array of filters
+ *
+ * There can be 1-4 filters. The end of the array is marked with
+ * .id = LZMA_VLI_UNKNOWN.
+ *
+ * Read by:
+ * - lzma_block_header_size()
+ * - lzma_block_header_encode()
+ * - lzma_block_encoder()
+ * - lzma_block_decoder()
+ * - lzma_block_buffer_encode()
+ * - lzma_block_buffer_decode()
+ *
+ * Written by:
+ * - lzma_block_header_decode(): Note that this does NOT free()
+ * the old filter options structures. All unused filters[] will
+ * have .id == LZMA_VLI_UNKNOWN and .options == NULL. If
+ * decoding fails, all filters[] are guaranteed to be
+ * LZMA_VLI_UNKNOWN and NULL.
+ *
+ * \note Because of the array is terminated with
+ * .id = LZMA_VLI_UNKNOWN, the actual array must
+ * have LZMA_FILTERS_MAX + 1 members or the Block
+ * Header decoder will overflow the buffer.
+ */
+ lzma_filter *filters;
+
+ /**
+ * \brief Raw value stored in the Check field
+ *
+ * After successful coding, the first lzma_check_size(check) bytes
+ * of this array contain the raw value stored in the Check field.
+ *
+ * Note that CRC32 and CRC64 are stored in little endian byte order.
+ * Take it into account if you display the Check values to the user.
+ *
+ * Written by:
+ * - lzma_block_encoder()
+ * - lzma_block_decoder()
+ * - lzma_block_buffer_encode()
+ * - lzma_block_buffer_decode()
+ */
+ uint8_t raw_check[LZMA_CHECK_SIZE_MAX];
+
+ /*
+ * Reserved space to allow possible future extensions without
+ * breaking the ABI. You should not touch these, because the names
+ * of these variables may change. These are and will never be used
+ * with the currently supported options, so it is safe to leave these
+ * uninitialized.
+ */
+ void *reserved_ptr1;
+ void *reserved_ptr2;
+ void *reserved_ptr3;
+ uint32_t reserved_int1;
+ uint32_t reserved_int2;
+ lzma_vli reserved_int3;
+ lzma_vli reserved_int4;
+ lzma_vli reserved_int5;
+ lzma_vli reserved_int6;
+ lzma_vli reserved_int7;
+ lzma_vli reserved_int8;
+ lzma_reserved_enum reserved_enum1;
+ lzma_reserved_enum reserved_enum2;
+ lzma_reserved_enum reserved_enum3;
+ lzma_reserved_enum reserved_enum4;
+ lzma_bool reserved_bool1;
+ lzma_bool reserved_bool2;
+ lzma_bool reserved_bool3;
+ lzma_bool reserved_bool4;
+ lzma_bool reserved_bool5;
+ lzma_bool reserved_bool6;
+ lzma_bool reserved_bool7;
+ lzma_bool reserved_bool8;
+
+} lzma_block;
+
+
+/**
+ * \brief Decode the Block Header Size field
+ *
+ * To decode Block Header using lzma_block_header_decode(), the size of the
+ * Block Header has to be known and stored into lzma_block.header_size.
+ * The size can be calculated from the first byte of a Block using this macro.
+ * Note that if the first byte is 0x00, it indicates beginning of Index; use
+ * this macro only when the byte is not 0x00.
+ *
+ * There is no encoding macro, because Block Header encoder is enough for that.
+ */
+#define lzma_block_header_size_decode(b) (((uint32_t)(b) + 1) * 4)
+
+
+/**
+ * \brief Calculate Block Header Size
+ *
+ * Calculate the minimum size needed for the Block Header field using the
+ * settings specified in the lzma_block structure. Note that it is OK to
+ * increase the calculated header_size value as long as it is a multiple of
+ * four and doesn't exceed LZMA_BLOCK_HEADER_SIZE_MAX. Increasing header_size
+ * just means that lzma_block_header_encode() will add Header Padding.
+ *
+ * \return - LZMA_OK: Size calculated successfully and stored to
+ * block->header_size.
+ * - LZMA_OPTIONS_ERROR: Unsupported version, filters or
+ * filter options.
+ * - LZMA_PROG_ERROR: Invalid values like compressed_size == 0.
+ *
+ * \note This doesn't check that all the options are valid i.e. this
+ * may return LZMA_OK even if lzma_block_header_encode() or
+ * lzma_block_encoder() would fail. If you want to validate the
+ * filter chain, consider using lzma_memlimit_encoder() which as
+ * a side-effect validates the filter chain.
+ */
+extern LZMA_API(lzma_ret) lzma_block_header_size(lzma_block *block)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Encode Block Header
+ *
+ * The caller must have calculated the size of the Block Header already with
+ * lzma_block_header_size(). If a value larger than the one calculated by
+ * lzma_block_header_size() is used, the Block Header will be padded to the
+ * specified size.
+ *
+ * \param out Beginning of the output buffer. This must be
+ * at least block->header_size bytes.
+ * \param block Block options to be encoded.
+ *
+ * \return - LZMA_OK: Encoding was successful. block->header_size
+ * bytes were written to output buffer.
+ * - LZMA_OPTIONS_ERROR: Invalid or unsupported options.
+ * - LZMA_PROG_ERROR: Invalid arguments, for example
+ * block->header_size is invalid or block->filters is NULL.
+ */
+extern LZMA_API(lzma_ret) lzma_block_header_encode(
+ const lzma_block *block, uint8_t *out)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Decode Block Header
+ *
+ * block->version should be set to the highest value supported by the
+ * application; currently the only possible version is zero. This function
+ * will set version to the lowest value that still supports all the features
+ * required by the Block Header.
+ *
+ * The size of the Block Header must have already been decoded with
+ * lzma_block_header_size_decode() macro and stored to block->header_size.
+ *
+ * block->filters must have been allocated, but not necessarily initialized.
+ * Possible existing filter options are _not_ freed.
+ *
+ * \param block Destination for Block options.
+ * \param allocator lzma_allocator for custom allocator functions.
+ * Set to NULL to use malloc() (and also free()
+ * if an error occurs).
+ * \param in Beginning of the input buffer. This must be
+ * at least block->header_size bytes.
+ *
+ * \return - LZMA_OK: Decoding was successful. block->header_size
+ * bytes were read from the input buffer.
+ * - LZMA_OPTIONS_ERROR: The Block Header specifies some
+ * unsupported options such as unsupported filters. This can
+ * happen also if block->version was set to a too low value
+ * compared to what would be required to properly represent
+ * the information stored in the Block Header.
+ * - LZMA_DATA_ERROR: Block Header is corrupt, for example,
+ * the CRC32 doesn't match.
+ * - LZMA_PROG_ERROR: Invalid arguments, for example
+ * block->header_size is invalid or block->filters is NULL.
+ */
+extern LZMA_API(lzma_ret) lzma_block_header_decode(lzma_block *block,
+ lzma_allocator *allocator, const uint8_t *in)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Validate and set Compressed Size according to Unpadded Size
+ *
+ * Block Header stores Compressed Size, but Index has Unpadded Size. If the
+ * application has already parsed the Index and is now decoding Blocks,
+ * it can calculate Compressed Size from Unpadded Size. This function does
+ * exactly that with error checking:
+ *
+ * - Compressed Size calculated from Unpadded Size must be positive integer,
+ * that is, Unpadded Size must be big enough that after Block Header and
+ * Check fields there's still at least one byte for Compressed Size.
+ *
+ * - If Compressed Size was present in Block Header, the new value
+ * calculated from Unpadded Size is compared against the value
+ * from Block Header.
+ *
+ * \note This function must be called _after_ decoding the Block Header
+ * field so that it can properly validate Compressed Size if it
+ * was present in Block Header.
+ *
+ * \return - LZMA_OK: block->compressed_size was set successfully.
+ * - LZMA_DATA_ERROR: unpadded_size is too small compared to
+ * block->header_size and lzma_check_size(block->check).
+ * - LZMA_PROG_ERROR: Some values are invalid. For example,
+ * block->header_size must be a multiple of four and
+ * between 8 and 1024 inclusive.
+ */
+extern LZMA_API(lzma_ret) lzma_block_compressed_size(
+ lzma_block *block, lzma_vli unpadded_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Calculate Unpadded Size
+ *
+ * The Index field stores Unpadded Size and Uncompressed Size. The latter
+ * can be taken directly from the lzma_block structure after coding a Block,
+ * but Unpadded Size needs to be calculated from Block Header Size,
+ * Compressed Size, and size of the Check field. This is where this function
+ * is needed.
+ *
+ * \return Unpadded Size on success, or zero on error.
+ */
+extern LZMA_API(lzma_vli) lzma_block_unpadded_size(const lzma_block *block)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Calculate the total encoded size of a Block
+ *
+ * This is equivalent to lzma_block_unpadded_size() except that the returned
+ * value includes the size of the Block Padding field.
+ *
+ * \return On success, total encoded size of the Block. On error,
+ * zero is returned.
+ */
+extern LZMA_API(lzma_vli) lzma_block_total_size(const lzma_block *block)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Initialize .xz Block encoder
+ *
+ * Valid actions for lzma_code() are LZMA_RUN, LZMA_SYNC_FLUSH (only if the
+ * filter chain supports it), and LZMA_FINISH.
+ *
+ * \return - LZMA_OK: All good, continue with lzma_code().
+ * - LZMA_MEM_ERROR
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_UNSUPPORTED_CHECK: block->check specifies a Check ID
+ * that is not supported by this buid of liblzma. Initializing
+ * the encoder failed.
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_block_encoder(
+ lzma_stream *strm, lzma_block *block)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Initialize .xz Block decoder
+ *
+ * Valid actions for lzma_code() are LZMA_RUN and LZMA_FINISH. Using
+ * LZMA_FINISH is not required. It is supported only for convenience.
+ *
+ * \return - LZMA_OK: All good, continue with lzma_code().
+ * - LZMA_UNSUPPORTED_CHECK: Initialization was successful, but
+ * the given Check ID is not supported, thus Check will be
+ * ignored.
+ * - LZMA_PROG_ERROR
+ * - LZMA_MEM_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_block_decoder(
+ lzma_stream *strm, lzma_block *block)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Calculate maximum output size for single-call Block encoding
+ *
+ * This is equivalent to lzma_stream_buffer_bound() but for .xz Blocks.
+ * See the documentation of lzma_stream_buffer_bound().
+ */
+extern LZMA_API(size_t) lzma_block_buffer_bound(size_t uncompressed_size)
+ lzma_nothrow;
+
+
+/**
+ * \brief Single-call .xz Block encoder
+ *
+ * In contrast to the multi-call encoder initialized with
+ * lzma_block_encoder(), this function encodes also the Block Header. This
+ * is required to make it possible to write appropriate Block Header also
+ * in case the data isn't compressible, and different filter chain has to be
+ * used to encode the data in uncompressed form using uncompressed chunks
+ * of the LZMA2 filter.
+ *
+ * When the data isn't compressible, header_size, compressed_size, and
+ * uncompressed_size are set just like when the data was compressible, but
+ * it is possible that header_size is too small to hold the filter chain
+ * specified in block->filters, because that isn't necessarily the filter
+ * chain that was actually used to encode the data. lzma_block_unpadded_size()
+ * still works normally, because it doesn't read the filters array.
+ *
+ * \param block Block options: block->version, block->check,
+ * and block->filters must have been initialized.
+ * \param allocator lzma_allocator for custom allocator functions.
+ * Set to NULL to use malloc() and free().
+ * \param in Beginning of the input buffer
+ * \param in_size Size of the input buffer
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * *out_pos is updated only if encoding succeeds.
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ *
+ * \return - LZMA_OK: Encoding was successful.
+ * - LZMA_BUF_ERROR: Not enough output buffer space.
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_MEM_ERROR
+ * - LZMA_DATA_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_block_buffer_encode(
+ lzma_block *block, lzma_allocator *allocator,
+ const uint8_t *in, size_t in_size,
+ uint8_t *out, size_t *out_pos, size_t out_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Single-call .xz Block decoder
+ *
+ * This is single-call equivalent of lzma_block_decoder(), and requires that
+ * the caller has already decoded Block Header and checked its memory usage.
+ *
+ * \param block Block options just like with lzma_block_decoder().
+ * \param allocator lzma_allocator for custom allocator functions.
+ * Set to NULL to use malloc() and free().
+ * \param in Beginning of the input buffer
+ * \param in_pos The next byte will be read from in[*in_pos].
+ * *in_pos is updated only if decoding succeeds.
+ * \param in_size Size of the input buffer; the first byte that
+ * won't be read is in[in_size].
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * *out_pos is updated only if encoding succeeds.
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ *
+ * \return - LZMA_OK: Decoding was successful.
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_DATA_ERROR
+ * - LZMA_MEM_ERROR
+ * - LZMA_BUF_ERROR: Output buffer was too small.
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_block_buffer_decode(
+ lzma_block *block, lzma_allocator *allocator,
+ const uint8_t *in, size_t *in_pos, size_t in_size,
+ uint8_t *out, size_t *out_pos, size_t out_size)
+ lzma_nothrow;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/check.h b/Build/source/extra/xz/src/liblzma/api/lzma/check.h
new file mode 100644
index 00000000000..6a243db0d79
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/check.h
@@ -0,0 +1,150 @@
+/**
+ * \file lzma/check.h
+ * \brief Integrity checks
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Type of the integrity check (Check ID)
+ *
+ * The .xz format supports multiple types of checks that are calculated
+ * from the uncompressed data. They vary in both speed and ability to
+ * detect errors.
+ */
+typedef enum {
+ LZMA_CHECK_NONE = 0,
+ /**<
+ * No Check is calculated.
+ *
+ * Size of the Check field: 0 bytes
+ */
+
+ LZMA_CHECK_CRC32 = 1,
+ /**<
+ * CRC32 using the polynomial from the IEEE 802.3 standard
+ *
+ * Size of the Check field: 4 bytes
+ */
+
+ LZMA_CHECK_CRC64 = 4,
+ /**<
+ * CRC64 using the polynomial from the ECMA-182 standard
+ *
+ * Size of the Check field: 8 bytes
+ */
+
+ LZMA_CHECK_SHA256 = 10
+ /**<
+ * SHA-256
+ *
+ * Size of the Check field: 32 bytes
+ */
+} lzma_check;
+
+
+/**
+ * \brief Maximum valid Check ID
+ *
+ * The .xz file format specification specifies 16 Check IDs (0-15). Some
+ * of them are only reserved, that is, no actual Check algorithm has been
+ * assigned. When decoding, liblzma still accepts unknown Check IDs for
+ * future compatibility. If a valid but unsupported Check ID is detected,
+ * liblzma can indicate a warning; see the flags LZMA_TELL_NO_CHECK,
+ * LZMA_TELL_UNSUPPORTED_CHECK, and LZMA_TELL_ANY_CHECK in container.h.
+ */
+#define LZMA_CHECK_ID_MAX 15
+
+
+/**
+ * \brief Test if the given Check ID is supported
+ *
+ * Return true if the given Check ID is supported by this liblzma build.
+ * Otherwise false is returned. It is safe to call this with a value that
+ * is not in the range [0, 15]; in that case the return value is always false.
+ *
+ * You can assume that LZMA_CHECK_NONE and LZMA_CHECK_CRC32 are always
+ * supported (even if liblzma is built with limited features).
+ */
+extern LZMA_API(lzma_bool) lzma_check_is_supported(lzma_check check)
+ lzma_nothrow lzma_attr_const;
+
+
+/**
+ * \brief Get the size of the Check field with the given Check ID
+ *
+ * Although not all Check IDs have a check algorithm associated, the size of
+ * every Check is already frozen. This function returns the size (in bytes) of
+ * the Check field with the specified Check ID. The values are:
+ * { 0, 4, 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 32, 64, 64, 64 }
+ *
+ * If the argument is not in the range [0, 15], UINT32_MAX is returned.
+ */
+extern LZMA_API(uint32_t) lzma_check_size(lzma_check check)
+ lzma_nothrow lzma_attr_const;
+
+
+/**
+ * \brief Maximum size of a Check field
+ */
+#define LZMA_CHECK_SIZE_MAX 64
+
+
+/**
+ * \brief Calculate CRC32
+ *
+ * Calculate CRC32 using the polynomial from the IEEE 802.3 standard.
+ *
+ * \param buf Pointer to the input buffer
+ * \param size Size of the input buffer
+ * \param crc Previously returned CRC value. This is used to
+ * calculate the CRC of a big buffer in smaller chunks.
+ * Set to zero when starting a new calculation.
+ *
+ * \return Updated CRC value, which can be passed to this function
+ * again to continue CRC calculation.
+ */
+extern LZMA_API(uint32_t) lzma_crc32(
+ const uint8_t *buf, size_t size, uint32_t crc)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Calculate CRC64
+ *
+ * Calculate CRC64 using the polynomial from the ECMA-182 standard.
+ *
+ * This function is used similarly to lzma_crc32(). See its documentation.
+ */
+extern LZMA_API(uint64_t) lzma_crc64(
+ const uint8_t *buf, size_t size, uint64_t crc)
+ lzma_nothrow lzma_attr_pure;
+
+
+/*
+ * SHA-256 functions are currently not exported to public API.
+ * Contact Lasse Collin if you think it should be.
+ */
+
+
+/**
+ * \brief Get the type of the integrity check
+ *
+ * This function can be called only immediately after lzma_code() has
+ * returned LZMA_NO_CHECK, LZMA_UNSUPPORTED_CHECK, or LZMA_GET_CHECK.
+ * Calling this function in any other situation has undefined behavior.
+ */
+extern LZMA_API(lzma_check) lzma_get_check(const lzma_stream *strm)
+ lzma_nothrow;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/container.h b/Build/source/extra/xz/src/liblzma/api/lzma/container.h
new file mode 100644
index 00000000000..0d907650fc4
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/container.h
@@ -0,0 +1,404 @@
+/**
+ * \file lzma/container.h
+ * \brief File formats
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/************
+ * Encoding *
+ ************/
+
+/**
+ * \brief Default compression preset
+ *
+ * It's not straightforward to recommend a default preset, because in some
+ * cases keeping the resource usage relatively low is more important that
+ * getting the maximum compression ratio.
+ */
+#define LZMA_PRESET_DEFAULT UINT32_C(6)
+
+
+/**
+ * \brief Mask for preset level
+ *
+ * This is useful only if you need to extract the level from the preset
+ * variable. That should be rare.
+ */
+#define LZMA_PRESET_LEVEL_MASK UINT32_C(0x1F)
+
+
+/*
+ * Preset flags
+ *
+ * Currently only one flag is defined.
+ */
+
+/**
+ * \brief Extreme compression preset
+ *
+ * This flag modifies the preset to make the encoding significantly slower
+ * while improving the compression ratio only marginally. This is useful
+ * when you don't mind wasting time to get as small result as possible.
+ *
+ * This flag doesn't affect the memory usage requirements of the decoder (at
+ * least not significantly). The memory usage of the encoder may be increased
+ * a little but only at the lowest preset levels (0-2).
+ */
+#define LZMA_PRESET_EXTREME (UINT32_C(1) << 31)
+
+
+/**
+ * \brief Calculate rough memory usage of easy encoder
+ *
+ * This function is a wrapper for lzma_raw_encoder_memusage().
+ *
+ * \param preset Compression preset (level and possible flags)
+ */
+extern LZMA_API(uint64_t) lzma_easy_encoder_memusage(uint32_t preset)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Calculate rough decoder memory usage of a preset
+ *
+ * This function is a wrapper for lzma_raw_decoder_memusage().
+ *
+ * \param preset Compression preset (level and possible flags)
+ */
+extern LZMA_API(uint64_t) lzma_easy_decoder_memusage(uint32_t preset)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Initialize .xz Stream encoder using a preset number
+ *
+ * This function is intended for those who just want to use the basic features
+ * if liblzma (that is, most developers out there).
+ *
+ * \param strm Pointer to lzma_stream that is at least initialized
+ * with LZMA_STREAM_INIT.
+ * \param preset Compression preset to use. A preset consist of level
+ * number and zero or more flags. Usually flags aren't
+ * used, so preset is simply a number [0, 9] which match
+ * the options -0 .. -9 of the xz command line tool.
+ * Additional flags can be be set using bitwise-or with
+ * the preset level number, e.g. 6 | LZMA_PRESET_EXTREME.
+ * \param check Integrity check type to use. See check.h for available
+ * checks. If you are unsure, use LZMA_CHECK_CRC32.
+ *
+ * \return - LZMA_OK: Initialization succeeded. Use lzma_code() to
+ * encode your data.
+ * - LZMA_MEM_ERROR: Memory allocation failed.
+ * - LZMA_OPTIONS_ERROR: The given compression level is not
+ * supported by this build of liblzma.
+ * - LZMA_UNSUPPORTED_CHECK: The given check type is not
+ * supported by this liblzma build.
+ * - LZMA_PROG_ERROR: One or more of the parameters have values
+ * that will never be valid. For example, strm == NULL.
+ *
+ * If initialization fails (return value is not LZMA_OK), all the memory
+ * allocated for *strm by liblzma is always freed. Thus, there is no need
+ * to call lzma_end() after failed initialization.
+ *
+ * If initialization succeeds, use lzma_code() to do the actual encoding.
+ * Valid values for `action' (the second argument of lzma_code()) are
+ * LZMA_RUN, LZMA_SYNC_FLUSH, LZMA_FULL_FLUSH, and LZMA_FINISH. In future,
+ * there may be compression levels or flags that don't support LZMA_SYNC_FLUSH.
+ */
+extern LZMA_API(lzma_ret) lzma_easy_encoder(
+ lzma_stream *strm, uint32_t preset, lzma_check check)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Single-call .xz Stream encoding using a preset number
+ *
+ * The maximum required output buffer size can be calculated with
+ * lzma_stream_buffer_bound().
+ *
+ * \param preset Compression preset to use. See the description
+ * in lzma_easy_encoder().
+ * \param check Type of the integrity check to calculate from
+ * uncompressed data.
+ * \param allocator lzma_allocator for custom allocator functions.
+ * Set to NULL to use malloc() and free().
+ * \param in Beginning of the input buffer
+ * \param in_size Size of the input buffer
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * *out_pos is updated only if encoding succeeds.
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ *
+ * \return - LZMA_OK: Encoding was successful.
+ * - LZMA_BUF_ERROR: Not enough output buffer space.
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_MEM_ERROR
+ * - LZMA_DATA_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_easy_buffer_encode(
+ uint32_t preset, lzma_check check,
+ lzma_allocator *allocator, const uint8_t *in, size_t in_size,
+ uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
+
+
+/**
+ * \brief Initialize .xz Stream encoder using a custom filter chain
+ *
+ * \param strm Pointer to properly prepared lzma_stream
+ * \param filters Array of filters. This must be terminated with
+ * filters[n].id = LZMA_VLI_UNKNOWN. See filter.h for
+ * more information.
+ * \param check Type of the integrity check to calculate from
+ * uncompressed data.
+ *
+ * \return - LZMA_OK: Initialization was successful.
+ * - LZMA_MEM_ERROR
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_stream_encoder(lzma_stream *strm,
+ const lzma_filter *filters, lzma_check check)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Initialize .lzma encoder (legacy file format)
+ *
+ * The .lzma format is sometimes called the LZMA_Alone format, which is the
+ * reason for the name of this function. The .lzma format supports only the
+ * LZMA1 filter. There is no support for integrity checks like CRC32.
+ *
+ * Use this function if and only if you need to create files readable by
+ * legacy LZMA tools such as LZMA Utils 4.32.x. Moving to the .xz format
+ * is strongly recommended.
+ *
+ * The valid action values for lzma_code() are LZMA_RUN and LZMA_FINISH.
+ * No kind of flushing is supported, because the file format doesn't make
+ * it possible.
+ *
+ * \return - LZMA_OK
+ * - LZMA_MEM_ERROR
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_alone_encoder(
+ lzma_stream *strm, const lzma_options_lzma *options)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Calculate output buffer size for single-call Stream encoder
+ *
+ * When trying to compress uncompressible data, the encoded size will be
+ * slightly bigger than the input data. This function calculates how much
+ * output buffer space is required to be sure that lzma_stream_buffer_encode()
+ * doesn't return LZMA_BUF_ERROR.
+ *
+ * The calculated value is not exact, but it is guaranteed to be big enough.
+ * The actual maximum output space required may be slightly smaller (up to
+ * about 100 bytes). This should not be a problem in practice.
+ *
+ * If the calculated maximum size doesn't fit into size_t or would make the
+ * Stream grow past LZMA_VLI_MAX (which should never happen in practice),
+ * zero is returned to indicate the error.
+ *
+ * \note The limit calculated by this function applies only to
+ * single-call encoding. Multi-call encoding may (and probably
+ * will) have larger maximum expansion when encoding
+ * uncompressible data. Currently there is no function to
+ * calculate the maximum expansion of multi-call encoding.
+ */
+extern LZMA_API(size_t) lzma_stream_buffer_bound(size_t uncompressed_size)
+ lzma_nothrow;
+
+
+/**
+ * \brief Single-call .xz Stream encoder
+ *
+ * \param filters Array of filters. This must be terminated with
+ * filters[n].id = LZMA_VLI_UNKNOWN. See filter.h
+ * for more information.
+ * \param check Type of the integrity check to calculate from
+ * uncompressed data.
+ * \param allocator lzma_allocator for custom allocator functions.
+ * Set to NULL to use malloc() and free().
+ * \param in Beginning of the input buffer
+ * \param in_size Size of the input buffer
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * *out_pos is updated only if encoding succeeds.
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ *
+ * \return - LZMA_OK: Encoding was successful.
+ * - LZMA_BUF_ERROR: Not enough output buffer space.
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_MEM_ERROR
+ * - LZMA_DATA_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_stream_buffer_encode(
+ lzma_filter *filters, lzma_check check,
+ lzma_allocator *allocator, const uint8_t *in, size_t in_size,
+ uint8_t *out, size_t *out_pos, size_t out_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/************
+ * Decoding *
+ ************/
+
+/**
+ * This flag makes lzma_code() return LZMA_NO_CHECK if the input stream
+ * being decoded has no integrity check. Note that when used with
+ * lzma_auto_decoder(), all .lzma files will trigger LZMA_NO_CHECK
+ * if LZMA_TELL_NO_CHECK is used.
+ */
+#define LZMA_TELL_NO_CHECK UINT32_C(0x01)
+
+
+/**
+ * This flag makes lzma_code() return LZMA_UNSUPPORTED_CHECK if the input
+ * stream has an integrity check, but the type of the integrity check is not
+ * supported by this liblzma version or build. Such files can still be
+ * decoded, but the integrity check cannot be verified.
+ */
+#define LZMA_TELL_UNSUPPORTED_CHECK UINT32_C(0x02)
+
+
+/**
+ * This flag makes lzma_code() return LZMA_GET_CHECK as soon as the type
+ * of the integrity check is known. The type can then be got with
+ * lzma_get_check().
+ */
+#define LZMA_TELL_ANY_CHECK UINT32_C(0x04)
+
+
+/**
+ * This flag enables decoding of concatenated files with file formats that
+ * allow concatenating compressed files as is. From the formats currently
+ * supported by liblzma, only the .xz format allows concatenated files.
+ * Concatenated files are not allowed with the legacy .lzma format.
+ *
+ * This flag also affects the usage of the `action' argument for lzma_code().
+ * When LZMA_CONCATENATED is used, lzma_code() won't return LZMA_STREAM_END
+ * unless LZMA_FINISH is used as `action'. Thus, the application has to set
+ * LZMA_FINISH in the same way as it does when encoding.
+ *
+ * If LZMA_CONCATENATED is not used, the decoders still accept LZMA_FINISH
+ * as `action' for lzma_code(), but the usage of LZMA_FINISH isn't required.
+ */
+#define LZMA_CONCATENATED UINT32_C(0x08)
+
+
+/**
+ * \brief Initialize .xz Stream decoder
+ *
+ * \param strm Pointer to properly prepared lzma_stream
+ * \param memlimit Rough memory usage limit as bytes
+ * \param flags Bitwise-or of zero or more of the decoder flags:
+ * LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK,
+ * LZMA_TELL_ANY_CHECK, LZMA_CONCATENATED
+ *
+ * \return - LZMA_OK: Initialization was successful.
+ * - LZMA_MEM_ERROR: Cannot allocate memory.
+ * - LZMA_OPTIONS_ERROR: Unsupported flags
+ */
+extern LZMA_API(lzma_ret) lzma_stream_decoder(
+ lzma_stream *strm, uint64_t memlimit, uint32_t flags)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Decode .xz Streams and .lzma files with autodetection
+ *
+ * This decoder autodetects between the .xz and .lzma file formats, and
+ * calls lzma_stream_decoder() or lzma_alone_decoder() once the type
+ * of the input file has been detected.
+ *
+ * \param strm Pointer to properly prepared lzma_stream
+ * \param memlimit Rough memory usage limit as bytes
+ * \param flags Bitwise-or of flags, or zero for no flags.
+ *
+ * \return - LZMA_OK: Initialization was successful.
+ * - LZMA_MEM_ERROR: Cannot allocate memory.
+ * - LZMA_OPTIONS_ERROR: Unsupported flags
+ */
+extern LZMA_API(lzma_ret) lzma_auto_decoder(
+ lzma_stream *strm, uint64_t memlimit, uint32_t flags)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Initialize .lzma decoder (legacy file format)
+ *
+ * Valid `action' arguments to lzma_code() are LZMA_RUN and LZMA_FINISH.
+ * There is no need to use LZMA_FINISH, but allowing it may simplify
+ * certain types of applications.
+ *
+ * \return - LZMA_OK
+ * - LZMA_MEM_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_alone_decoder(
+ lzma_stream *strm, uint64_t memlimit)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Single-call .xz Stream decoder
+ *
+ * \param memlimit Pointer to how much memory the decoder is allowed
+ * to allocate. The value pointed by this pointer is
+ * modified if and only if LZMA_MEMLIMIT_ERROR is
+ * returned.
+ * \param flags Bitwise-or of zero or more of the decoder flags:
+ * LZMA_TELL_NO_CHECK, LZMA_TELL_UNSUPPORTED_CHECK,
+ * LZMA_CONCATENATED. Note that LZMA_TELL_ANY_CHECK
+ * is not allowed and will return LZMA_PROG_ERROR.
+ * \param allocator lzma_allocator for custom allocator functions.
+ * Set to NULL to use malloc() and free().
+ * \param in Beginning of the input buffer
+ * \param in_pos The next byte will be read from in[*in_pos].
+ * *in_pos is updated only if decoding succeeds.
+ * \param in_size Size of the input buffer; the first byte that
+ * won't be read is in[in_size].
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * *out_pos is updated only if encoding succeeds.
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ *
+ * \return - LZMA_OK: Decoding was successful.
+ * - LZMA_FORMAT_ERROR
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_DATA_ERROR
+ * - LZMA_NO_CHECK: This can be returned only if using
+ * the LZMA_TELL_NO_CHECK flag.
+ * - LZMA_UNSUPPORTED_CHECK: This can be returned only if using
+ * the LZMA_TELL_UNSUPPORTED_CHECK flag.
+ * - LZMA_MEM_ERROR
+ * - LZMA_MEMLIMIT_ERROR: Memory usage limit was reached.
+ * The minimum required memlimit value was stored to *memlimit.
+ * - LZMA_BUF_ERROR: Output buffer was too small.
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_stream_buffer_decode(
+ uint64_t *memlimit, uint32_t flags, lzma_allocator *allocator,
+ const uint8_t *in, size_t *in_pos, size_t in_size,
+ uint8_t *out, size_t *out_pos, size_t out_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/delta.h b/Build/source/extra/xz/src/liblzma/api/lzma/delta.h
new file mode 100644
index 00000000000..592fc4f8496
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/delta.h
@@ -0,0 +1,77 @@
+/**
+ * \file lzma/delta.h
+ * \brief Delta filter
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Filter ID
+ *
+ * Filter ID of the Delta filter. This is used as lzma_filter.id.
+ */
+#define LZMA_FILTER_DELTA LZMA_VLI_C(0x03)
+
+
+/**
+ * \brief Type of the delta calculation
+ *
+ * Currently only byte-wise delta is supported. Other possible types could
+ * be, for example, delta of 16/32/64-bit little/big endian integers, but
+ * these are not currently planned since byte-wise delta is almost as good.
+ */
+typedef enum {
+ LZMA_DELTA_TYPE_BYTE
+} lzma_delta_type;
+
+
+/**
+ * \brief Options for the Delta filter
+ *
+ * These options are needed by both encoder and decoder.
+ */
+typedef struct {
+ /** For now, this must always be LZMA_DELTA_TYPE_BYTE. */
+ lzma_delta_type type;
+
+ /**
+ * \brief Delta distance
+ *
+ * With the only currently supported type, LZMA_DELTA_TYPE_BYTE,
+ * the distance is as bytes.
+ *
+ * Examples:
+ * - 16-bit stereo audio: distance = 4 bytes
+ * - 24-bit RGB image data: distance = 3 bytes
+ */
+ uint32_t dist;
+# define LZMA_DELTA_DIST_MIN 1
+# define LZMA_DELTA_DIST_MAX 256
+
+ /*
+ * Reserved space to allow possible future extensions without
+ * breaking the ABI. You should not touch these, because the names
+ * of these variables may change. These are and will never be used
+ * when type is LZMA_DELTA_TYPE_BYTE, so it is safe to leave these
+ * uninitialized.
+ */
+ uint32_t reserved_int1;
+ uint32_t reserved_int2;
+ uint32_t reserved_int3;
+ uint32_t reserved_int4;
+ void *reserved_ptr1;
+ void *reserved_ptr2;
+
+} lzma_options_delta;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/filter.h b/Build/source/extra/xz/src/liblzma/api/lzma/filter.h
new file mode 100644
index 00000000000..038a93398c6
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/filter.h
@@ -0,0 +1,421 @@
+/**
+ * \file lzma/filter.h
+ * \brief Common filter related types
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Maximum number of filters in a chain
+ *
+ * A filter chain can have 1-4 filters, of which three are allowed to change
+ * the size of the data. Usually only one or two filters are needed.
+ */
+#define LZMA_FILTERS_MAX 4
+
+
+/**
+ * \brief Filter options
+ *
+ * This structure is used to pass Filter ID and a pointer filter's
+ * options to liblzma. A few functions work with a single lzma_filter
+ * structure, while most functions expect a filter chain.
+ *
+ * A filter chain is indicated with an array of lzma_filter structures.
+ * The array is terminated with .id = LZMA_VLI_UNKNOWN. Thus, the filter
+ * array must have LZMA_FILTERS_MAX + 1 elements (that is, five) to
+ * be able to hold any arbitrary filter chain. This is important when
+ * using lzma_block_header_decode() from block.h, because too small
+ * array would make liblzma write past the end of the filters array.
+ */
+typedef struct {
+ /**
+ * \brief Filter ID
+ *
+ * Use constants whose name begin with `LZMA_FILTER_' to specify
+ * different filters. In an array of lzma_filter structures, use
+ * LZMA_VLI_UNKNOWN to indicate end of filters.
+ *
+ * \note This is not an enum, because on some systems enums
+ * cannot be 64-bit.
+ */
+ lzma_vli id;
+
+ /**
+ * \brief Pointer to filter-specific options structure
+ *
+ * If the filter doesn't need options, set this to NULL. If id is
+ * set to LZMA_VLI_UNKNOWN, options is ignored, and thus
+ * doesn't need be initialized.
+ *
+ * Some filters support changing the options in the middle of
+ * the encoding process. These filters store the pointer of the
+ * options structure and communicate with the application via
+ * modifications of the options structure.
+ */
+ void *options;
+
+} lzma_filter;
+
+
+/**
+ * \brief Test if the given Filter ID is supported for encoding
+ *
+ * Return true if the give Filter ID is supported for encoding by this
+ * liblzma build. Otherwise false is returned.
+ *
+ * There is no way to list which filters are available in this particular
+ * liblzma version and build. It would be useless, because the application
+ * couldn't know what kind of options the filter would need.
+ */
+extern LZMA_API(lzma_bool) lzma_filter_encoder_is_supported(lzma_vli id)
+ lzma_nothrow lzma_attr_const;
+
+
+/**
+ * \brief Test if the given Filter ID is supported for decoding
+ *
+ * Return true if the give Filter ID is supported for decoding by this
+ * liblzma build. Otherwise false is returned.
+ */
+extern LZMA_API(lzma_bool) lzma_filter_decoder_is_supported(lzma_vli id)
+ lzma_nothrow lzma_attr_const;
+
+
+/**
+ * \brief Copy the filters array
+ *
+ * Copy the Filter IDs and filter-specific options from src to dest.
+ * Up to LZMA_FILTERS_MAX filters are copied, plus the terminating
+ * .id == LZMA_VLI_UNKNOWN. Thus, dest should have at least
+ * LZMA_FILTERS_MAX + 1 elements space unless the caller knows that
+ * src is smaller than that.
+ *
+ * Unless the filter-specific options is NULL, the Filter ID has to be
+ * supported by liblzma, because liblzma needs to know the size of every
+ * filter-specific options structure. The filter-specific options are not
+ * validated. If options is NULL, any unsupported Filter IDs are copied
+ * without returning an error.
+ *
+ * Old filter-specific options in dest are not freed, so dest doesn't
+ * need to be initialized by the caller in any way.
+ *
+ * If an error occurs, memory possibly already allocated by this function
+ * is always freed.
+ *
+ * \return - LZMA_OK
+ * - LZMA_MEM_ERROR
+ * - LZMA_OPTIONS_ERROR: Unsupported Filter ID and its options
+ * is not NULL.
+ * - LZMA_PROG_ERROR: src or dest is NULL.
+ */
+extern LZMA_API(lzma_ret) lzma_filters_copy(const lzma_filter *src,
+ lzma_filter *dest, lzma_allocator *allocator) lzma_nothrow;
+
+
+/**
+ * \brief Calculate rough memory requirements for raw encoder
+ *
+ * Because the calculation is rough, this function can be used to calculate
+ * the memory requirements for Block and Stream encoders too.
+ *
+ * \param filters Array of filters terminated with
+ * .id == LZMA_VLI_UNKNOWN.
+ *
+ * \return Rough number of bytes of memory required for the given
+ * filter chain when encoding.
+ */
+extern LZMA_API(uint64_t) lzma_raw_encoder_memusage(const lzma_filter *filters)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Calculate rough memory requirements for raw decoder
+ *
+ * Because the calculation is rough, this function can be used to calculate
+ * the memory requirements for Block and Stream decoders too.
+ *
+ * \param filters Array of filters terminated with
+ * .id == LZMA_VLI_UNKNOWN.
+ *
+ * \return Rough number of bytes of memory required for the given
+ * filter chain when decoding.
+ */
+extern LZMA_API(uint64_t) lzma_raw_decoder_memusage(const lzma_filter *filters)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Initialize raw encoder
+ *
+ * This function may be useful when implementing custom file formats.
+ *
+ * \param strm Pointer to properly prepared lzma_stream
+ * \param filters Array of lzma_filter structures. The end of the
+ * array must be marked with .id = LZMA_VLI_UNKNOWN.
+ *
+ * The `action' with lzma_code() can be LZMA_RUN, LZMA_SYNC_FLUSH (if the
+ * filter chain supports it), or LZMA_FINISH.
+ *
+ * \return - LZMA_OK
+ * - LZMA_MEM_ERROR
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_raw_encoder(
+ lzma_stream *strm, const lzma_filter *filters)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Initialize raw decoder
+ *
+ * The initialization of raw decoder goes similarly to raw encoder.
+ *
+ * The `action' with lzma_code() can be LZMA_RUN or LZMA_FINISH. Using
+ * LZMA_FINISH is not required, it is supported just for convenience.
+ *
+ * \return - LZMA_OK
+ * - LZMA_MEM_ERROR
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_raw_decoder(
+ lzma_stream *strm, const lzma_filter *filters)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Update the filter chain in the encoder
+ *
+ * This function is for advanced users only. This function has two slightly
+ * different purposes:
+ *
+ * - After LZMA_FULL_FLUSH when using Stream encoder: Set a new filter
+ * chain, which will be used starting from the next Block.
+ *
+ * - After LZMA_SYNC_FLUSH using Raw, Block, or Stream encoder: Change
+ * the filter-specific options in the middle of encoding. The actual
+ * filters in the chain (Filter IDs) cannot be changed. In the future,
+ * it might become possible to change the filter options without
+ * using LZMA_SYNC_FLUSH.
+ *
+ * While rarely useful, this function may be called also when no data has
+ * been compressed yet. In that case, this function will behave as if
+ * LZMA_FULL_FLUSH (Stream encoder) or LZMA_SYNC_FLUSH (Raw or Block
+ * encoder) had been used right before calling this function.
+ *
+ * \return - LZMA_OK
+ * - LZMA_MEM_ERROR
+ * - LZMA_MEMLIMIT_ERROR
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_filters_update(
+ lzma_stream *strm, const lzma_filter *filters) lzma_nothrow;
+
+
+/**
+ * \brief Single-call raw encoder
+ *
+ * \param filters Array of lzma_filter structures. The end of the
+ * array must be marked with .id = LZMA_VLI_UNKNOWN.
+ * \param allocator lzma_allocator for custom allocator functions.
+ * Set to NULL to use malloc() and free().
+ * \param in Beginning of the input buffer
+ * \param in_size Size of the input buffer
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * *out_pos is updated only if encoding succeeds.
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ *
+ * \return - LZMA_OK: Encoding was successful.
+ * - LZMA_BUF_ERROR: Not enough output buffer space.
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_MEM_ERROR
+ * - LZMA_DATA_ERROR
+ * - LZMA_PROG_ERROR
+ *
+ * \note There is no function to calculate how big output buffer
+ * would surely be big enough. (lzma_stream_buffer_bound()
+ * works only for lzma_stream_buffer_encode().)
+ */
+extern LZMA_API(lzma_ret) lzma_raw_buffer_encode(
+ const lzma_filter *filters, lzma_allocator *allocator,
+ const uint8_t *in, size_t in_size, uint8_t *out,
+ size_t *out_pos, size_t out_size) lzma_nothrow;
+
+
+/**
+ * \brief Single-call raw decoder
+ *
+ * \param filters Array of lzma_filter structures. The end of the
+ * array must be marked with .id = LZMA_VLI_UNKNOWN.
+ * \param allocator lzma_allocator for custom allocator functions.
+ * Set to NULL to use malloc() and free().
+ * \param in Beginning of the input buffer
+ * \param in_pos The next byte will be read from in[*in_pos].
+ * *in_pos is updated only if decoding succeeds.
+ * \param in_size Size of the input buffer; the first byte that
+ * won't be read is in[in_size].
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * *out_pos is updated only if encoding succeeds.
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ */
+extern LZMA_API(lzma_ret) lzma_raw_buffer_decode(
+ const lzma_filter *filters, lzma_allocator *allocator,
+ const uint8_t *in, size_t *in_pos, size_t in_size,
+ uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
+
+
+/**
+ * \brief Get the size of the Filter Properties field
+ *
+ * This function may be useful when implementing custom file formats
+ * using the raw encoder and decoder.
+ *
+ * \param size Pointer to uint32_t to hold the size of the properties
+ * \param filter Filter ID and options (the size of the properties may
+ * vary depending on the options)
+ *
+ * \return - LZMA_OK
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_PROG_ERROR
+ *
+ * \note This function validates the Filter ID, but does not
+ * necessarily validate the options. Thus, it is possible
+ * that this returns LZMA_OK while the following call to
+ * lzma_properties_encode() returns LZMA_OPTIONS_ERROR.
+ */
+extern LZMA_API(lzma_ret) lzma_properties_size(
+ uint32_t *size, const lzma_filter *filter) lzma_nothrow;
+
+
+/**
+ * \brief Encode the Filter Properties field
+ *
+ * \param filter Filter ID and options
+ * \param props Buffer to hold the encoded options. The size of
+ * buffer must have been already determined with
+ * lzma_properties_size().
+ *
+ * \return - LZMA_OK
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_PROG_ERROR
+ *
+ * \note Even this function won't validate more options than actually
+ * necessary. Thus, it is possible that encoding the properties
+ * succeeds but using the same options to initialize the encoder
+ * will fail.
+ *
+ * \note It is OK to skip calling this function if
+ * lzma_properties_size() indicated that the size
+ * of the Filter Properties field is zero.
+ */
+extern LZMA_API(lzma_ret) lzma_properties_encode(
+ const lzma_filter *filter, uint8_t *props) lzma_nothrow;
+
+
+/**
+ * \brief Decode the Filter Properties field
+ *
+ * \param filter filter->id must have been set to the correct
+ * Filter ID. filter->options doesn't need to be
+ * initialized (it's not freed by this function). The
+ * decoded options will be stored to filter->options.
+ * filter->options is set to NULL if there are no
+ * properties or if an error occurs.
+ * \param allocator Custom memory allocator used to allocate the
+ * options. Set to NULL to use the default malloc(),
+ * and in case of an error, also free().
+ * \param props Input buffer containing the properties.
+ * \param props_size Size of the properties. This must be the exact
+ * size; giving too much or too little input will
+ * return LZMA_OPTIONS_ERROR.
+ *
+ * \return - LZMA_OK
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_MEM_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_properties_decode(
+ lzma_filter *filter, lzma_allocator *allocator,
+ const uint8_t *props, size_t props_size) lzma_nothrow;
+
+
+/**
+ * \brief Calculate encoded size of a Filter Flags field
+ *
+ * Knowing the size of Filter Flags is useful to know when allocating
+ * memory to hold the encoded Filter Flags.
+ *
+ * \param size Pointer to integer to hold the calculated size
+ * \param filters Filter ID and associated options whose encoded
+ * size is to be calculated
+ *
+ * \return - LZMA_OK: *size set successfully. Note that this doesn't
+ * guarantee that filters->options is valid, thus
+ * lzma_filter_flags_encode() may still fail.
+ * - LZMA_OPTIONS_ERROR: Unknown Filter ID or unsupported options.
+ * - LZMA_PROG_ERROR: Invalid options
+ *
+ * \note If you need to calculate size of List of Filter Flags,
+ * you need to loop over every lzma_filter entry.
+ */
+extern LZMA_API(lzma_ret) lzma_filter_flags_size(
+ uint32_t *size, const lzma_filter *filters)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Encode Filter Flags into given buffer
+ *
+ * In contrast to some functions, this doesn't allocate the needed buffer.
+ * This is due to how this function is used internally by liblzma.
+ *
+ * \param filters Filter ID and options to be encoded
+ * \param out Beginning of the output buffer
+ * \param out_pos out[*out_pos] is the next write position. This
+ * is updated by the encoder.
+ * \param out_size out[out_size] is the first byte to not write.
+ *
+ * \return - LZMA_OK: Encoding was successful.
+ * - LZMA_OPTIONS_ERROR: Invalid or unsupported options.
+ * - LZMA_PROG_ERROR: Invalid options or not enough output
+ * buffer space (you should have checked it with
+ * lzma_filter_flags_size()).
+ */
+extern LZMA_API(lzma_ret) lzma_filter_flags_encode(const lzma_filter *filters,
+ uint8_t *out, size_t *out_pos, size_t out_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Decode Filter Flags from given buffer
+ *
+ * The decoded result is stored into *filters. filters->options is
+ * initialized but the old value is NOT free()d.
+ *
+ * \return - LZMA_OK
+ * - LZMA_OPTIONS_ERROR
+ * - LZMA_MEM_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_filter_flags_decode(
+ lzma_filter *filters, lzma_allocator *allocator,
+ const uint8_t *in, size_t *in_pos, size_t in_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/hardware.h b/Build/source/extra/xz/src/liblzma/api/lzma/hardware.h
new file mode 100644
index 00000000000..f44cb602ff9
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/hardware.h
@@ -0,0 +1,51 @@
+/**
+ * \file lzma/hardware.h
+ * \brief Hardware information
+ *
+ * Since liblzma can consume a lot of system resources, it also provides
+ * ways to limit the resource usage. Applications linking against liblzma
+ * need to do the actual decisions how much resources to let liblzma to use.
+ * To ease making these decisions, liblzma provides functions to find out
+ * the relevant capabilities of the underlaying hardware. Currently there
+ * is only a function to find out the amount of RAM, but in the future there
+ * will be also a function to detect how many concurrent threads the system
+ * can run.
+ *
+ * \note On some operating systems, these function may temporarily
+ * load a shared library or open file descriptor(s) to find out
+ * the requested hardware information. Unless the application
+ * assumes that specific file descriptors are not touched by
+ * other threads, this should have no effect on thread safety.
+ * Possible operations involving file descriptors will restart
+ * the syscalls if they return EINTR.
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Get the total amount of physical memory (RAM) in bytes
+ *
+ * This function may be useful when determining a reasonable memory
+ * usage limit for decompressing or how much memory it is OK to use
+ * for compressing. For example, the default limit used by the xz
+ * command line tool is 40 % of RAM.
+ *
+ * \return On success, the total amount of physical memory in bytes
+ * is returned. If the amount of RAM cannot be determined,
+ * zero is returned. This can happen if an error occurs
+ * or if there is no code in liblzma to detect the amount
+ * of RAM on the specific operating system.
+ */
+extern LZMA_API(uint64_t) lzma_physmem(void) lzma_nothrow;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/index.h b/Build/source/extra/xz/src/liblzma/api/lzma/index.h
new file mode 100644
index 00000000000..a0469b23c34
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/index.h
@@ -0,0 +1,676 @@
+/**
+ * \file lzma/index.h
+ * \brief Handling of .xz Index and related information
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Opaque data type to hold the Index(es) and other information
+ *
+ * lzma_index often holds just one .xz Index and possibly the Stream Flags
+ * of the same Stream and size of the Stream Padding field. However,
+ * multiple lzma_indexes can be concatenated with lzma_index_cat() and then
+ * there may be information about multiple Streams in the same lzma_index.
+ *
+ * Notes about thread safety: Only one thread may modify lzma_index at
+ * a time. All functions that take non-const pointer to lzma_index
+ * modify it. As long as no thread is modifying the lzma_index, getting
+ * information from the same lzma_index can be done from multiple threads
+ * at the same time with functions that take a const pointer to
+ * lzma_index or use lzma_index_iter. The same iterator must be used
+ * only by one thread at a time, of course, but there can be as many
+ * iterators for the same lzma_index as needed.
+ */
+typedef struct lzma_index_s lzma_index;
+
+
+/**
+ * \brief Iterator to get information about Blocks and Streams
+ */
+typedef struct {
+ struct {
+ /**
+ * \brief Pointer to Stream Flags
+ *
+ * This is NULL if Stream Flags have not been set for
+ * this Stream with lzma_index_stream_flags().
+ */
+ const lzma_stream_flags *flags;
+
+ const void *reserved_ptr1;
+ const void *reserved_ptr2;
+ const void *reserved_ptr3;
+
+ /**
+ * \brief Stream number in the lzma_index
+ *
+ * The first Stream is 1.
+ */
+ lzma_vli number;
+
+ /**
+ * \brief Number of Blocks in the Stream
+ *
+ * If this is zero, the block structure below has
+ * undefined values.
+ */
+ lzma_vli block_count;
+
+ /**
+ * \brief Compressed start offset of this Stream
+ *
+ * The offset is relative to the beginning of the lzma_index
+ * (i.e. usually the beginning of the .xz file).
+ */
+ lzma_vli compressed_offset;
+
+ /**
+ * \brief Uncompressed start offset of this Stream
+ *
+ * The offset is relative to the beginning of the lzma_index
+ * (i.e. usually the beginning of the .xz file).
+ */
+ lzma_vli uncompressed_offset;
+
+ /**
+ * \brief Compressed size of this Stream
+ *
+ * This includes all headers except the possible
+ * Stream Padding after this Stream.
+ */
+ lzma_vli compressed_size;
+
+ /**
+ * \brief Uncompressed size of this Stream
+ */
+ lzma_vli uncompressed_size;
+
+ /**
+ * \brief Size of Stream Padding after this Stream
+ *
+ * If it hasn't been set with lzma_index_stream_padding(),
+ * this defaults to zero. Stream Padding is always
+ * a multiple of four bytes.
+ */
+ lzma_vli padding;
+
+ lzma_vli reserved_vli1;
+ lzma_vli reserved_vli2;
+ lzma_vli reserved_vli3;
+ lzma_vli reserved_vli4;
+ } stream;
+
+ struct {
+ /**
+ * \brief Block number in the file
+ *
+ * The first Block is 1.
+ */
+ lzma_vli number_in_file;
+
+ /**
+ * \brief Compressed start offset of this Block
+ *
+ * This offset is relative to the beginning of the
+ * lzma_index (i.e. usually the beginning of the .xz file).
+ * Normally this is where you should seek in the .xz file
+ * to start decompressing this Block.
+ */
+ lzma_vli compressed_file_offset;
+
+ /**
+ * \brief Uncompressed start offset of this Block
+ *
+ * This offset is relative to the beginning of the lzma_index
+ * (i.e. usually the beginning of the .xz file).
+ */
+ lzma_vli uncompressed_file_offset;
+
+ /**
+ * \brief Block number in this Stream
+ *
+ * The first Block is 1.
+ */
+ lzma_vli number_in_stream;
+
+ /**
+ * \brief Compressed start offset of this Block
+ *
+ * This offset is relative to the beginning of the Stream
+ * containing this Block.
+ */
+ lzma_vli compressed_stream_offset;
+
+ /**
+ * \brief Uncompressed start offset of this Block
+ *
+ * This offset is relative to the beginning of the Stream
+ * containing this Block.
+ */
+ lzma_vli uncompressed_stream_offset;
+
+ /**
+ * \brief Uncompressed size of this Block
+ *
+ * You should pass this to the Block decoder if you will
+ * decode this Block.
+ *
+ * When doing random-access reading, it is possible that
+ * the target offset is not exactly at Block boundary. One
+ * will need to compare the target offset against
+ * uncompressed_file_offset or uncompressed_stream_offset,
+ * and possibly decode and throw away some amount of data
+ * before reaching the target offset.
+ */
+ lzma_vli uncompressed_size;
+
+ /**
+ * \brief Unpadded size of this Block
+ *
+ * You should pass this to the Block decoder if you will
+ * decode this Block.
+ */
+ lzma_vli unpadded_size;
+
+ /**
+ * \brief Total compressed size
+ *
+ * This includes all headers and padding in this Block.
+ * This is useful if you need to know how many bytes
+ * the Block decoder will actually read.
+ */
+ lzma_vli total_size;
+
+ lzma_vli reserved_vli1;
+ lzma_vli reserved_vli2;
+ lzma_vli reserved_vli3;
+ lzma_vli reserved_vli4;
+
+ const void *reserved_ptr1;
+ const void *reserved_ptr2;
+ const void *reserved_ptr3;
+ const void *reserved_ptr4;
+ } block;
+
+ /*
+ * Internal data which is used to store the state of the iterator.
+ * The exact format may vary between liblzma versions, so don't
+ * touch these in any way.
+ */
+ union {
+ const void *p;
+ size_t s;
+ lzma_vli v;
+ } internal[6];
+} lzma_index_iter;
+
+
+/**
+ * \brief Operation mode for lzma_index_iter_next()
+ */
+typedef enum {
+ LZMA_INDEX_ITER_ANY = 0,
+ /**<
+ * \brief Get the next Block or Stream
+ *
+ * Go to the next Block if the current Stream has at least
+ * one Block left. Otherwise go to the next Stream even if
+ * it has no Blocks. If the Stream has no Blocks
+ * (lzma_index_iter.stream.block_count == 0),
+ * lzma_index_iter.block will have undefined values.
+ */
+
+ LZMA_INDEX_ITER_STREAM = 1,
+ /**<
+ * \brief Get the next Stream
+ *
+ * Go to the next Stream even if the current Stream has
+ * unread Blocks left. If the next Stream has at least one
+ * Block, the iterator will point to the first Block.
+ * If there are no Blocks, lzma_index_iter.block will have
+ * undefined values.
+ */
+
+ LZMA_INDEX_ITER_BLOCK = 2,
+ /**<
+ * \brief Get the next Block
+ *
+ * Go to the next Block if the current Stream has at least
+ * one Block left. If the current Stream has no Blocks left,
+ * the next Stream with at least one Block is located and
+ * the iterator will be made to point to the first Block of
+ * that Stream.
+ */
+
+ LZMA_INDEX_ITER_NONEMPTY_BLOCK = 3
+ /**<
+ * \brief Get the next non-empty Block
+ *
+ * This is like LZMA_INDEX_ITER_BLOCK except that it will
+ * skip Blocks whose Uncompressed Size is zero.
+ */
+
+} lzma_index_iter_mode;
+
+
+/**
+ * \brief Calculate memory usage of lzma_index
+ *
+ * On disk, the size of the Index field depends on both the number of Records
+ * stored and how big values the Records store (due to variable-length integer
+ * encoding). When the Index is kept in lzma_index structure, the memory usage
+ * depends only on the number of Records/Blocks stored in the Index(es), and
+ * in case of concatenated lzma_indexes, the number of Streams. The size in
+ * RAM is almost always significantly bigger than in the encoded form on disk.
+ *
+ * This function calculates an approximate amount of memory needed hold
+ * the given number of Streams and Blocks in lzma_index structure. This
+ * value may vary between CPU architectures and also between liblzma versions
+ * if the internal implementation is modified.
+ */
+extern LZMA_API(uint64_t) lzma_index_memusage(
+ lzma_vli streams, lzma_vli blocks) lzma_nothrow;
+
+
+/**
+ * \brief Calculate the memory usage of an existing lzma_index
+ *
+ * This is a shorthand for lzma_index_memusage(lzma_index_stream_count(i),
+ * lzma_index_block_count(i)).
+ */
+extern LZMA_API(uint64_t) lzma_index_memused(const lzma_index *i)
+ lzma_nothrow;
+
+
+/**
+ * \brief Allocate and initialize a new lzma_index structure
+ *
+ * \return On success, a pointer to an empty initialized lzma_index is
+ * returned. If allocation fails, NULL is returned.
+ */
+extern LZMA_API(lzma_index *) lzma_index_init(lzma_allocator *allocator)
+ lzma_nothrow;
+
+
+/**
+ * \brief Deallocate lzma_index
+ *
+ * If i is NULL, this does nothing.
+ */
+extern LZMA_API(void) lzma_index_end(lzma_index *i, lzma_allocator *allocator)
+ lzma_nothrow;
+
+
+/**
+ * \brief Add a new Block to lzma_index
+ *
+ * \param i Pointer to a lzma_index structure
+ * \param allocator Pointer to lzma_allocator, or NULL to
+ * use malloc()
+ * \param unpadded_size Unpadded Size of a Block. This can be
+ * calculated with lzma_block_unpadded_size()
+ * after encoding or decoding the Block.
+ * \param uncompressed_size Uncompressed Size of a Block. This can be
+ * taken directly from lzma_block structure
+ * after encoding or decoding the Block.
+ *
+ * Appending a new Block does not invalidate iterators. For example,
+ * if an iterator was pointing to the end of the lzma_index, after
+ * lzma_index_append() it is possible to read the next Block with
+ * an existing iterator.
+ *
+ * \return - LZMA_OK
+ * - LZMA_MEM_ERROR
+ * - LZMA_DATA_ERROR: Compressed or uncompressed size of the
+ * Stream or size of the Index field would grow too big.
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_index_append(
+ lzma_index *i, lzma_allocator *allocator,
+ lzma_vli unpadded_size, lzma_vli uncompressed_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Set the Stream Flags
+ *
+ * Set the Stream Flags of the last (and typically the only) Stream
+ * in lzma_index. This can be useful when reading information from the
+ * lzma_index, because to decode Blocks, knowing the integrity check type
+ * is needed.
+ *
+ * The given Stream Flags are copied into internal preallocated structure
+ * in the lzma_index, thus the caller doesn't need to keep the *stream_flags
+ * available after calling this function.
+ *
+ * \return - LZMA_OK
+ * - LZMA_OPTIONS_ERROR: Unsupported stream_flags->version.
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_index_stream_flags(
+ lzma_index *i, const lzma_stream_flags *stream_flags)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Get the types of integrity Checks
+ *
+ * If lzma_index_stream_padding() is used to set the Stream Flags for
+ * every Stream, lzma_index_checks() can be used to get a bitmask to
+ * indicate which Check types have been used. It can be useful e.g. if
+ * showing the Check types to the user.
+ *
+ * The bitmask is 1 << check_id, e.g. CRC32 is 1 << 1 and SHA-256 is 1 << 10.
+ */
+extern LZMA_API(uint32_t) lzma_index_checks(const lzma_index *i)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Set the amount of Stream Padding
+ *
+ * Set the amount of Stream Padding of the last (and typically the only)
+ * Stream in the lzma_index. This is needed when planning to do random-access
+ * reading within multiple concatenated Streams.
+ *
+ * By default, the amount of Stream Padding is assumed to be zero bytes.
+ *
+ * \return - LZMA_OK
+ * - LZMA_DATA_ERROR: The file size would grow too big.
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_index_stream_padding(
+ lzma_index *i, lzma_vli stream_padding)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Get the number of Streams
+ */
+extern LZMA_API(lzma_vli) lzma_index_stream_count(const lzma_index *i)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Get the number of Blocks
+ *
+ * This returns the total number of Blocks in lzma_index. To get number
+ * of Blocks in individual Streams, use lzma_index_iter.
+ */
+extern LZMA_API(lzma_vli) lzma_index_block_count(const lzma_index *i)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Get the size of the Index field as bytes
+ *
+ * This is needed to verify the Backward Size field in the Stream Footer.
+ */
+extern LZMA_API(lzma_vli) lzma_index_size(const lzma_index *i)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Get the total size of the Stream
+ *
+ * If multiple lzma_indexes have been combined, this works as if the Blocks
+ * were in a single Stream. This is useful if you are going to combine
+ * Blocks from multiple Streams into a single new Stream.
+ */
+extern LZMA_API(lzma_vli) lzma_index_stream_size(const lzma_index *i)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Get the total size of the Blocks
+ *
+ * This doesn't include the Stream Header, Stream Footer, Stream Padding,
+ * or Index fields.
+ */
+extern LZMA_API(lzma_vli) lzma_index_total_size(const lzma_index *i)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Get the total size of the file
+ *
+ * When no lzma_indexes have been combined with lzma_index_cat() and there is
+ * no Stream Padding, this function is identical to lzma_index_stream_size().
+ * If multiple lzma_indexes have been combined, this includes also the headers
+ * of each separate Stream and the possible Stream Padding fields.
+ */
+extern LZMA_API(lzma_vli) lzma_index_file_size(const lzma_index *i)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Get the uncompressed size of the file
+ */
+extern LZMA_API(lzma_vli) lzma_index_uncompressed_size(const lzma_index *i)
+ lzma_nothrow lzma_attr_pure;
+
+
+/**
+ * \brief Initialize an iterator
+ *
+ * \param iter Pointer to a lzma_index_iter structure
+ * \param i lzma_index to which the iterator will be associated
+ *
+ * This function associates the iterator with the given lzma_index, and calls
+ * lzma_index_iter_rewind() on the iterator.
+ *
+ * This function doesn't allocate any memory, thus there is no
+ * lzma_index_iter_end(). The iterator is valid as long as the
+ * associated lzma_index is valid, that is, until lzma_index_end() or
+ * using it as source in lzma_index_cat(). Specifically, lzma_index doesn't
+ * become invalid if new Blocks are added to it with lzma_index_append() or
+ * if it is used as the destination in lzma_index_cat().
+ *
+ * It is safe to make copies of an initialized lzma_index_iter, for example,
+ * to easily restart reading at some particular position.
+ */
+extern LZMA_API(void) lzma_index_iter_init(
+ lzma_index_iter *iter, const lzma_index *i) lzma_nothrow;
+
+
+/**
+ * \brief Rewind the iterator
+ *
+ * Rewind the iterator so that next call to lzma_index_iter_next() will
+ * return the first Block or Stream.
+ */
+extern LZMA_API(void) lzma_index_iter_rewind(lzma_index_iter *iter)
+ lzma_nothrow;
+
+
+/**
+ * \brief Get the next Block or Stream
+ *
+ * \param iter Iterator initialized with lzma_index_iter_init()
+ * \param mode Specify what kind of information the caller wants
+ * to get. See lzma_index_iter_mode for details.
+ *
+ * \return If next Block or Stream matching the mode was found, *iter
+ * is updated and this function returns false. If no Block or
+ * Stream matching the mode is found, *iter is not modified
+ * and this function returns true. If mode is set to an unknown
+ * value, *iter is not modified and this function returns true.
+ */
+extern LZMA_API(lzma_bool) lzma_index_iter_next(
+ lzma_index_iter *iter, lzma_index_iter_mode mode)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Locate a Block
+ *
+ * If it is possible to seek in the .xz file, it is possible to parse
+ * the Index field(s) and use lzma_index_iter_locate() to do random-access
+ * reading with granularity of Block size.
+ *
+ * \param iter Iterator that was earlier initialized with
+ * lzma_index_iter_init().
+ * \param target Uncompressed target offset which the caller would
+ * like to locate from the Stream
+ *
+ * If the target is smaller than the uncompressed size of the Stream (can be
+ * checked with lzma_index_uncompressed_size()):
+ * - Information about the Stream and Block containing the requested
+ * uncompressed offset is stored into *iter.
+ * - Internal state of the iterator is adjusted so that
+ * lzma_index_iter_next() can be used to read subsequent Blocks or Streams.
+ * - This function returns false.
+ *
+ * If target is greater than the uncompressed size of the Stream, *iter
+ * is not modified, and this function returns true.
+ */
+extern LZMA_API(lzma_bool) lzma_index_iter_locate(
+ lzma_index_iter *iter, lzma_vli target) lzma_nothrow;
+
+
+/**
+ * \brief Concatenate lzma_indexes
+ *
+ * Concatenating lzma_indexes is useful when doing random-access reading in
+ * multi-Stream .xz file, or when combining multiple Streams into single
+ * Stream.
+ *
+ * \param dest lzma_index after which src is appended
+ * \param src lzma_index to be appended after dest. If this
+ * function succeeds, the memory allocated for src
+ * is freed or moved to be part of dest, and all
+ * iterators pointing to src will become invalid.
+ * \param allocator Custom memory allocator; can be NULL to use
+ * malloc() and free().
+ *
+ * \return - LZMA_OK: lzma_indexes were concatenated successfully.
+ * src is now a dangling pointer.
+ * - LZMA_DATA_ERROR: *dest would grow too big.
+ * - LZMA_MEM_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_index_cat(
+ lzma_index *dest, lzma_index *src, lzma_allocator *allocator)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Duplicate lzma_index
+ *
+ * \return A copy of the lzma_index, or NULL if memory allocation failed.
+ */
+extern LZMA_API(lzma_index *) lzma_index_dup(
+ const lzma_index *i, lzma_allocator *allocator)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Initialize .xz Index encoder
+ *
+ * \param strm Pointer to properly prepared lzma_stream
+ * \param i Pointer to lzma_index which should be encoded.
+ *
+ * The only valid action value for lzma_code() is LZMA_RUN.
+ *
+ * \return - LZMA_OK: Initialization succeeded, continue with lzma_code().
+ * - LZMA_MEM_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_index_encoder(
+ lzma_stream *strm, const lzma_index *i)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Initialize .xz Index decoder
+ *
+ * \param strm Pointer to properly prepared lzma_stream
+ * \param i The decoded Index will be made available via
+ * this pointer. Initially this function will
+ * set *i to NULL (the old value is ignored). If
+ * decoding succeeds (lzma_code() returns
+ * LZMA_STREAM_END), *i will be set to point
+ * to a new lzma_index, which the application
+ * has to later free with lzma_index_end().
+ * \param memlimit How much memory the resulting lzma_index is
+ * allowed to require.
+ *
+ * The only valid action value for lzma_code() is LZMA_RUN.
+ *
+ * \return - LZMA_OK: Initialization succeeded, continue with lzma_code().
+ * - LZMA_MEM_ERROR
+ * - LZMA_MEMLIMIT_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_index_decoder(
+ lzma_stream *strm, lzma_index **i, uint64_t memlimit)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Single-call .xz Index encoder
+ *
+ * \param i lzma_index to be encoded
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * *out_pos is updated only if encoding succeeds.
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ *
+ * \return - LZMA_OK: Encoding was successful.
+ * - LZMA_BUF_ERROR: Output buffer is too small. Use
+ * lzma_index_size() to find out how much output
+ * space is needed.
+ * - LZMA_PROG_ERROR
+ *
+ * \note This function doesn't take allocator argument since all
+ * the internal data is allocated on stack.
+ */
+extern LZMA_API(lzma_ret) lzma_index_buffer_encode(const lzma_index *i,
+ uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
+
+
+/**
+ * \brief Single-call .xz Index decoder
+ *
+ * \param i If decoding succeeds, *i will point to a new
+ * lzma_index, which the application has to
+ * later free with lzma_index_end(). If an error
+ * occurs, *i will be NULL. The old value of *i
+ * is always ignored and thus doesn't need to be
+ * initialized by the caller.
+ * \param memlimit Pointer to how much memory the resulting
+ * lzma_index is allowed to require. The value
+ * pointed by this pointer is modified if and only
+ * if LZMA_MEMLIMIT_ERROR is returned.
+ * \param allocator Pointer to lzma_allocator, or NULL to use malloc()
+ * \param in Beginning of the input buffer
+ * \param in_pos The next byte will be read from in[*in_pos].
+ * *in_pos is updated only if decoding succeeds.
+ * \param in_size Size of the input buffer; the first byte that
+ * won't be read is in[in_size].
+ *
+ * \return - LZMA_OK: Decoding was successful.
+ * - LZMA_MEM_ERROR
+ * - LZMA_MEMLIMIT_ERROR: Memory usage limit was reached.
+ * The minimum required memlimit value was stored to *memlimit.
+ * - LZMA_DATA_ERROR
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_index_buffer_decode(lzma_index **i,
+ uint64_t *memlimit, lzma_allocator *allocator,
+ const uint8_t *in, size_t *in_pos, size_t in_size)
+ lzma_nothrow;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/index_hash.h b/Build/source/extra/xz/src/liblzma/api/lzma/index_hash.h
new file mode 100644
index 00000000000..94726e7beea
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/index_hash.h
@@ -0,0 +1,107 @@
+/**
+ * \file lzma/index_hash.h
+ * \brief Validates Index by using a hash function
+ *
+ * Hashing makes it possible to use constant amount of memory to validate
+ * Index of arbitrary size.
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+/**
+ * \brief Opaque data type to hold the Index hash
+ */
+typedef struct lzma_index_hash_s lzma_index_hash;
+
+
+/**
+ * \brief Allocate and initialize a new lzma_index_hash structure
+ *
+ * If index_hash is NULL, a new lzma_index_hash structure is allocated,
+ * initialized, and a pointer to it returned. If allocation fails, NULL
+ * is returned.
+ *
+ * If index_hash is non-NULL, it is reinitialized and the same pointer
+ * returned. In this case, return value cannot be NULL or a different
+ * pointer than the index_hash that was given as an argument.
+ */
+extern LZMA_API(lzma_index_hash *) lzma_index_hash_init(
+ lzma_index_hash *index_hash, lzma_allocator *allocator)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Deallocate lzma_index_hash structure
+ */
+extern LZMA_API(void) lzma_index_hash_end(
+ lzma_index_hash *index_hash, lzma_allocator *allocator)
+ lzma_nothrow;
+
+
+/**
+ * \brief Add a new Record to an Index hash
+ *
+ * \param index Pointer to a lzma_index_hash structure
+ * \param unpadded_size Unpadded Size of a Block
+ * \param uncompressed_size Uncompressed Size of a Block
+ *
+ * \return - LZMA_OK
+ * - LZMA_DATA_ERROR: Compressed or uncompressed size of the
+ * Stream or size of the Index field would grow too big.
+ * - LZMA_PROG_ERROR: Invalid arguments or this function is being
+ * used when lzma_index_hash_decode() has already been used.
+ */
+extern LZMA_API(lzma_ret) lzma_index_hash_append(lzma_index_hash *index_hash,
+ lzma_vli unpadded_size, lzma_vli uncompressed_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Decode and validate the Index field
+ *
+ * After telling the sizes of all Blocks with lzma_index_hash_append(),
+ * the actual Index field is decoded with this function. Specifically,
+ * once decoding of the Index field has been started, no more Records
+ * can be added using lzma_index_hash_append().
+ *
+ * This function doesn't use lzma_stream structure to pass the input data.
+ * Instead, the input buffer is specified using three arguments. This is
+ * because it matches better the internal APIs of liblzma.
+ *
+ * \param index_hash Pointer to a lzma_index_hash structure
+ * \param in Pointer to the beginning of the input buffer
+ * \param in_pos in[*in_pos] is the next byte to process
+ * \param in_size in[in_size] is the first byte not to process
+ *
+ * \return - LZMA_OK: So far good, but more input is needed.
+ * - LZMA_STREAM_END: Index decoded successfully and it matches
+ * the Records given with lzma_index_hash_append().
+ * - LZMA_DATA_ERROR: Index is corrupt or doesn't match the
+ * information given with lzma_index_hash_append().
+ * - LZMA_BUF_ERROR: Cannot progress because *in_pos >= in_size.
+ * - LZMA_PROG_ERROR
+ */
+extern LZMA_API(lzma_ret) lzma_index_hash_decode(lzma_index_hash *index_hash,
+ const uint8_t *in, size_t *in_pos, size_t in_size)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Get the size of the Index field as bytes
+ *
+ * This is needed to verify the Backward Size field in the Stream Footer.
+ */
+extern LZMA_API(lzma_vli) lzma_index_hash_size(
+ const lzma_index_hash *index_hash)
+ lzma_nothrow lzma_attr_pure;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/lzma.h b/Build/source/extra/xz/src/liblzma/api/lzma/lzma.h
new file mode 100644
index 00000000000..c17736d7eaa
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/lzma.h
@@ -0,0 +1,397 @@
+/**
+ * \file lzma/lzma.h
+ * \brief LZMA1 and LZMA2 filters
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief LZMA1 Filter ID
+ *
+ * LZMA1 is the very same thing as what was called just LZMA in LZMA Utils,
+ * 7-Zip, and LZMA SDK. It's called LZMA1 here to prevent developers from
+ * accidentally using LZMA when they actually want LZMA2.
+ *
+ * LZMA1 shouldn't be used for new applications unless you _really_ know
+ * what you are doing. LZMA2 is almost always a better choice.
+ */
+#define LZMA_FILTER_LZMA1 LZMA_VLI_C(0x4000000000000001)
+
+/**
+ * \brief LZMA2 Filter ID
+ *
+ * Usually you want this instead of LZMA1. Compared to LZMA1, LZMA2 adds
+ * support for LZMA_SYNC_FLUSH, uncompressed chunks (smaller expansion
+ * when trying to compress uncompressible data), possibility to change
+ * lc/lp/pb in the middle of encoding, and some other internal improvements.
+ */
+#define LZMA_FILTER_LZMA2 LZMA_VLI_C(0x21)
+
+
+/**
+ * \brief Match finders
+ *
+ * Match finder has major effect on both speed and compression ratio.
+ * Usually hash chains are faster than binary trees.
+ *
+ * The memory usage formulas are only rough estimates, which are closest to
+ * reality when dict_size is a power of two. The formulas are more complex
+ * in reality, and can also change a little between liblzma versions. Use
+ * lzma_memusage_encoder() to get more accurate estimate of memory usage.
+ */
+typedef enum {
+ LZMA_MF_HC3 = 0x03,
+ /**<
+ * \brief Hash Chain with 2- and 3-byte hashing
+ *
+ * Minimum nice_len: 3
+ *
+ * Memory usage:
+ * - dict_size <= 16 MiB: dict_size * 7.5
+ * - dict_size > 16 MiB: dict_size * 5.5 + 64 MiB
+ */
+
+ LZMA_MF_HC4 = 0x04,
+ /**<
+ * \brief Hash Chain with 2-, 3-, and 4-byte hashing
+ *
+ * Minimum nice_len: 4
+ *
+ * Memory usage: dict_size * 7.5
+ */
+
+ LZMA_MF_BT2 = 0x12,
+ /**<
+ * \brief Binary Tree with 2-byte hashing
+ *
+ * Minimum nice_len: 2
+ *
+ * Memory usage: dict_size * 9.5
+ */
+
+ LZMA_MF_BT3 = 0x13,
+ /**<
+ * \brief Binary Tree with 2- and 3-byte hashing
+ *
+ * Minimum nice_len: 3
+ *
+ * Memory usage:
+ * - dict_size <= 16 MiB: dict_size * 11.5
+ * - dict_size > 16 MiB: dict_size * 9.5 + 64 MiB
+ */
+
+ LZMA_MF_BT4 = 0x14
+ /**<
+ * \brief Binary Tree with 2-, 3-, and 4-byte hashing
+ *
+ * Minimum nice_len: 4
+ *
+ * Memory usage: dict_size * 11.5
+ */
+} lzma_match_finder;
+
+
+/**
+ * \brief Test if given match finder is supported
+ *
+ * Return true if the given match finder is supported by this liblzma build.
+ * Otherwise false is returned. It is safe to call this with a value that
+ * isn't listed in lzma_match_finder enumeration; the return value will be
+ * false.
+ *
+ * There is no way to list which match finders are available in this
+ * particular liblzma version and build. It would be useless, because
+ * a new match finder, which the application developer wasn't aware,
+ * could require giving additional options to the encoder that the older
+ * match finders don't need.
+ */
+extern LZMA_API(lzma_bool) lzma_mf_is_supported(lzma_match_finder match_finder)
+ lzma_nothrow lzma_attr_const;
+
+
+/**
+ * \brief Compression modes
+ *
+ * This selects the function used to analyze the data produced by the match
+ * finder.
+ */
+typedef enum {
+ LZMA_MODE_FAST = 1,
+ /**<
+ * \brief Fast compression
+ *
+ * Fast mode is usually at its best when combined with
+ * a hash chain match finder.
+ */
+
+ LZMA_MODE_NORMAL = 2
+ /**<
+ * \brief Normal compression
+ *
+ * This is usually notably slower than fast mode. Use this
+ * together with binary tree match finders to expose the
+ * full potential of the LZMA1 or LZMA2 encoder.
+ */
+} lzma_mode;
+
+
+/**
+ * \brief Test if given compression mode is supported
+ *
+ * Return true if the given compression mode is supported by this liblzma
+ * build. Otherwise false is returned. It is safe to call this with a value
+ * that isn't listed in lzma_mode enumeration; the return value will be false.
+ *
+ * There is no way to list which modes are available in this particular
+ * liblzma version and build. It would be useless, because a new compression
+ * mode, which the application developer wasn't aware, could require giving
+ * additional options to the encoder that the older modes don't need.
+ */
+extern LZMA_API(lzma_bool) lzma_mode_is_supported(lzma_mode mode)
+ lzma_nothrow lzma_attr_const;
+
+
+/**
+ * \brief Options specific to the LZMA1 and LZMA2 filters
+ *
+ * Since LZMA1 and LZMA2 share most of the code, it's simplest to share
+ * the options structure too. For encoding, all but the reserved variables
+ * need to be initialized unless specifically mentioned otherwise.
+ *
+ * For raw decoding, both LZMA1 and LZMA2 need dict_size, preset_dict, and
+ * preset_dict_size (if preset_dict != NULL). LZMA1 needs also lc, lp, and pb.
+ */
+typedef struct {
+ /**
+ * \brief Dictionary size in bytes
+ *
+ * Dictionary size indicates how many bytes of the recently processed
+ * uncompressed data is kept in memory. One method to reduce size of
+ * the uncompressed data is to store distance-length pairs, which
+ * indicate what data to repeat from the dictionary buffer. Thus,
+ * the bigger the dictionary, the better the compression ratio
+ * usually is.
+ *
+ * Maximum size of the dictionary depends on multiple things:
+ * - Memory usage limit
+ * - Available address space (not a problem on 64-bit systems)
+ * - Selected match finder (encoder only)
+ *
+ * Currently the maximum dictionary size for encoding is 1.5 GiB
+ * (i.e. (UINT32_C(1) << 30) + (UINT32_C(1) << 29)) even on 64-bit
+ * systems for certain match finder implementation reasons. In the
+ * future, there may be match finders that support bigger
+ * dictionaries.
+ *
+ * Decoder already supports dictionaries up to 4 GiB - 1 B (i.e.
+ * UINT32_MAX), so increasing the maximum dictionary size of the
+ * encoder won't cause problems for old decoders.
+ *
+ * Because extremely small dictionaries sizes would have unneeded
+ * overhead in the decoder, the minimum dictionary size is 4096 bytes.
+ *
+ * \note When decoding, too big dictionary does no other harm
+ * than wasting memory.
+ */
+ uint32_t dict_size;
+# define LZMA_DICT_SIZE_MIN UINT32_C(4096)
+# define LZMA_DICT_SIZE_DEFAULT (UINT32_C(1) << 23)
+
+ /**
+ * \brief Pointer to an initial dictionary
+ *
+ * It is possible to initialize the LZ77 history window using
+ * a preset dictionary. It is useful when compressing many
+ * similar, relatively small chunks of data independently from
+ * each other. The preset dictionary should contain typical
+ * strings that occur in the files being compressed. The most
+ * probable strings should be near the end of the preset dictionary.
+ *
+ * This feature should be used only in special situations. For
+ * now, it works correctly only with raw encoding and decoding.
+ * Currently none of the container formats supported by
+ * liblzma allow preset dictionary when decoding, thus if
+ * you create a .xz or .lzma file with preset dictionary, it
+ * cannot be decoded with the regular decoder functions. In the
+ * future, the .xz format will likely get support for preset
+ * dictionary though.
+ */
+ const uint8_t *preset_dict;
+
+ /**
+ * \brief Size of the preset dictionary
+ *
+ * Specifies the size of the preset dictionary. If the size is
+ * bigger than dict_size, only the last dict_size bytes are
+ * processed.
+ *
+ * This variable is read only when preset_dict is not NULL.
+ * If preset_dict is not NULL but preset_dict_size is zero,
+ * no preset dictionary is used (identical to only setting
+ * preset_dict to NULL).
+ */
+ uint32_t preset_dict_size;
+
+ /**
+ * \brief Number of literal context bits
+ *
+ * How many of the highest bits of the previous uncompressed
+ * eight-bit byte (also known as `literal') are taken into
+ * account when predicting the bits of the next literal.
+ *
+ * \todo Example
+ *
+ * There is a limit that applies to literal context bits and literal
+ * position bits together: lc + lp <= 4. Without this limit the
+ * decoding could become very slow, which could have security related
+ * results in some cases like email servers doing virus scanning.
+ * This limit also simplifies the internal implementation in liblzma.
+ *
+ * There may be LZMA1 streams that have lc + lp > 4 (maximum possible
+ * lc would be 8). It is not possible to decode such streams with
+ * liblzma.
+ */
+ uint32_t lc;
+# define LZMA_LCLP_MIN 0
+# define LZMA_LCLP_MAX 4
+# define LZMA_LC_DEFAULT 3
+
+ /**
+ * \brief Number of literal position bits
+ *
+ * How many of the lowest bits of the current position (number
+ * of bytes from the beginning of the uncompressed data) in the
+ * uncompressed data is taken into account when predicting the
+ * bits of the next literal (a single eight-bit byte).
+ *
+ * \todo Example
+ */
+ uint32_t lp;
+# define LZMA_LP_DEFAULT 0
+
+ /**
+ * \brief Number of position bits
+ *
+ * How many of the lowest bits of the current position in the
+ * uncompressed data is taken into account when estimating
+ * probabilities of matches. A match is a sequence of bytes for
+ * which a matching sequence is found from the dictionary and
+ * thus can be stored as distance-length pair.
+ *
+ * Example: If most of the matches occur at byte positions of
+ * 8 * n + 3, that is, 3, 11, 19, ... set pb to 3, because 2**3 == 8.
+ */
+ uint32_t pb;
+# define LZMA_PB_MIN 0
+# define LZMA_PB_MAX 4
+# define LZMA_PB_DEFAULT 2
+
+ /** Compression mode */
+ lzma_mode mode;
+
+ /**
+ * \brief Nice length of a match
+ *
+ * This determines how many bytes the encoder compares from the match
+ * candidates when looking for the best match. Once a match of at
+ * least nice_len bytes long is found, the encoder stops looking for
+ * better candidates and encodes the match. (Naturally, if the found
+ * match is actually longer than nice_len, the actual length is
+ * encoded; it's not truncated to nice_len.)
+ *
+ * Bigger values usually increase the compression ratio and
+ * compression time. For most files, 32 to 128 is a good value,
+ * which gives very good compression ratio at good speed.
+ *
+ * The exact minimum value depends on the match finder. The maximum
+ * is 273, which is the maximum length of a match that LZMA1 and
+ * LZMA2 can encode.
+ */
+ uint32_t nice_len;
+
+ /** Match finder ID */
+ lzma_match_finder mf;
+
+ /**
+ * \brief Maximum search depth in the match finder
+ *
+ * For every input byte, match finder searches through the hash chain
+ * or binary tree in a loop, each iteration going one step deeper in
+ * the chain or tree. The searching stops if
+ * - a match of at least nice_len bytes long is found;
+ * - all match candidates from the hash chain or binary tree have
+ * been checked; or
+ * - maximum search depth is reached.
+ *
+ * Maximum search depth is needed to prevent the match finder from
+ * wasting too much time in case there are lots of short match
+ * candidates. On the other hand, stopping the search before all
+ * candidates have been checked can reduce compression ratio.
+ *
+ * Setting depth to zero tells liblzma to use an automatic default
+ * value, that depends on the selected match finder and nice_len.
+ * The default is in the range [10, 200] or so (it may vary between
+ * liblzma versions).
+ *
+ * Using a bigger depth value than the default can increase
+ * compression ratio in some cases. There is no strict maximum value,
+ * but high values (thousands or millions) should be used with care:
+ * the encoder could remain fast enough with typical input, but
+ * malicious input could cause the match finder to slow down
+ * dramatically, possibly creating a denial of service attack.
+ */
+ uint32_t depth;
+
+ /*
+ * Reserved space to allow possible future extensions without
+ * breaking the ABI. You should not touch these, because the names
+ * of these variables may change. These are and will never be used
+ * with the currently supported options, so it is safe to leave these
+ * uninitialized.
+ */
+ void *reserved_ptr1;
+ void *reserved_ptr2;
+ uint32_t reserved_int1;
+ uint32_t reserved_int2;
+ uint32_t reserved_int3;
+ uint32_t reserved_int4;
+ uint32_t reserved_int5;
+ uint32_t reserved_int6;
+ uint32_t reserved_int7;
+ uint32_t reserved_int8;
+ lzma_reserved_enum reserved_enum1;
+ lzma_reserved_enum reserved_enum2;
+ lzma_reserved_enum reserved_enum3;
+ lzma_reserved_enum reserved_enum4;
+
+} lzma_options_lzma;
+
+
+/**
+ * \brief Set a compression preset to lzma_options_lzma structure
+ *
+ * 0 is the fastest and 9 is the slowest. These match the switches -0 .. -9
+ * of the xz command line tool. In addition, it is possible to bitwise-or
+ * flags to the preset. Currently only LZMA_PRESET_EXTREME is supported.
+ * The flags are defined in container.h, because the flags are used also
+ * with lzma_easy_encoder().
+ *
+ * The preset values are subject to changes between liblzma versions.
+ *
+ * This function is available only if LZMA1 or LZMA2 encoder has been enabled
+ * when building liblzma.
+ */
+extern LZMA_API(lzma_bool) lzma_lzma_preset(
+ lzma_options_lzma *options, uint32_t preset) lzma_nothrow;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/stream_flags.h b/Build/source/extra/xz/src/liblzma/api/lzma/stream_flags.h
new file mode 100644
index 00000000000..d255bdda15f
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/stream_flags.h
@@ -0,0 +1,227 @@
+/**
+ * \file lzma/stream_flags.h
+ * \brief .xz Stream Header and Stream Footer encoder and decoder
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Size of Stream Header and Stream Footer
+ *
+ * Stream Header and Stream Footer have the same size and they are not
+ * going to change even if a newer version of the .xz file format is
+ * developed in future.
+ */
+#define LZMA_STREAM_HEADER_SIZE 12
+
+
+/**
+ * \brief Options for encoding/decoding Stream Header and Stream Footer
+ */
+typedef struct {
+ /**
+ * \brief Stream Flags format version
+ *
+ * To prevent API and ABI breakages if new features are needed in
+ * Stream Header or Stream Footer, a version number is used to
+ * indicate which fields in this structure are in use. For now,
+ * version must always be zero. With non-zero version, the
+ * lzma_stream_header_encode() and lzma_stream_footer_encode()
+ * will return LZMA_OPTIONS_ERROR.
+ *
+ * lzma_stream_header_decode() and lzma_stream_footer_decode()
+ * will always set this to the lowest value that supports all the
+ * features indicated by the Stream Flags field. The application
+ * must check that the version number set by the decoding functions
+ * is supported by the application. Otherwise it is possible that
+ * the application will decode the Stream incorrectly.
+ */
+ uint32_t version;
+
+ /**
+ * \brief Backward Size
+ *
+ * Backward Size must be a multiple of four bytes. In this Stream
+ * format version, Backward Size is the size of the Index field.
+ *
+ * Backward Size isn't actually part of the Stream Flags field, but
+ * it is convenient to include in this structure anyway. Backward
+ * Size is present only in the Stream Footer. There is no need to
+ * initialize backward_size when encoding Stream Header.
+ *
+ * lzma_stream_header_decode() always sets backward_size to
+ * LZMA_VLI_UNKNOWN so that it is convenient to use
+ * lzma_stream_flags_compare() when both Stream Header and Stream
+ * Footer have been decoded.
+ */
+ lzma_vli backward_size;
+# define LZMA_BACKWARD_SIZE_MIN 4
+# define LZMA_BACKWARD_SIZE_MAX (LZMA_VLI_C(1) << 34)
+
+ /**
+ * \brief Check ID
+ *
+ * This indicates the type of the integrity check calculated from
+ * uncompressed data.
+ */
+ lzma_check check;
+
+ /*
+ * Reserved space to allow possible future extensions without
+ * breaking the ABI. You should not touch these, because the
+ * names of these variables may change.
+ *
+ * (We will never be able to use all of these since Stream Flags
+ * is just two bytes plus Backward Size of four bytes. But it's
+ * nice to have the proper types when they are needed.)
+ */
+ lzma_reserved_enum reserved_enum1;
+ lzma_reserved_enum reserved_enum2;
+ lzma_reserved_enum reserved_enum3;
+ lzma_reserved_enum reserved_enum4;
+ lzma_reserved_enum reserved_enum5;
+ lzma_reserved_enum reserved_enum6;
+ lzma_bool reserved_bool1;
+ lzma_bool reserved_bool2;
+ lzma_bool reserved_bool3;
+ lzma_bool reserved_bool4;
+ lzma_bool reserved_bool5;
+ lzma_bool reserved_bool6;
+ lzma_bool reserved_bool7;
+ lzma_bool reserved_bool8;
+ uint32_t reserved_int1;
+ uint32_t reserved_int2;
+ uint32_t reserved_int3;
+ uint32_t reserved_int4;
+
+} lzma_stream_flags;
+
+
+/**
+ * \brief Encode Stream Header
+ *
+ * \param options Stream Header options to be encoded.
+ * options->backward_size is ignored and doesn't
+ * need to be initialized.
+ * \param out Beginning of the output buffer of
+ * LZMA_STREAM_HEADER_SIZE bytes.
+ *
+ * \return - LZMA_OK: Encoding was successful.
+ * - LZMA_OPTIONS_ERROR: options->version is not supported by
+ * this liblzma version.
+ * - LZMA_PROG_ERROR: Invalid options.
+ */
+extern LZMA_API(lzma_ret) lzma_stream_header_encode(
+ const lzma_stream_flags *options, uint8_t *out)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Encode Stream Footer
+ *
+ * \param options Stream Footer options to be encoded.
+ * \param out Beginning of the output buffer of
+ * LZMA_STREAM_HEADER_SIZE bytes.
+ *
+ * \return - LZMA_OK: Encoding was successful.
+ * - LZMA_OPTIONS_ERROR: options->version is not supported by
+ * this liblzma version.
+ * - LZMA_PROG_ERROR: Invalid options.
+ */
+extern LZMA_API(lzma_ret) lzma_stream_footer_encode(
+ const lzma_stream_flags *options, uint8_t *out)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Decode Stream Header
+ *
+ * \param options Stream Header options to be encoded.
+ * \param in Beginning of the input buffer of
+ * LZMA_STREAM_HEADER_SIZE bytes.
+ *
+ * options->backward_size is always set to LZMA_VLI_UNKNOWN. This is to
+ * help comparing Stream Flags from Stream Header and Stream Footer with
+ * lzma_stream_flags_compare().
+ *
+ * \return - LZMA_OK: Decoding was successful.
+ * - LZMA_FORMAT_ERROR: Magic bytes don't match, thus the given
+ * buffer cannot be Stream Header.
+ * - LZMA_DATA_ERROR: CRC32 doesn't match, thus the header
+ * is corrupt.
+ * - LZMA_OPTIONS_ERROR: Unsupported options are present
+ * in the header.
+ *
+ * \note When decoding .xz files that contain multiple Streams, it may
+ * make sense to print "file format not recognized" only if
+ * decoding of the Stream Header of the _first_ Stream gives
+ * LZMA_FORMAT_ERROR. If non-first Stream Header gives
+ * LZMA_FORMAT_ERROR, the message used for LZMA_DATA_ERROR is
+ * probably more appropriate.
+ *
+ * For example, Stream decoder in liblzma uses LZMA_DATA_ERROR if
+ * LZMA_FORMAT_ERROR is returned by lzma_stream_header_decode()
+ * when decoding non-first Stream.
+ */
+extern LZMA_API(lzma_ret) lzma_stream_header_decode(
+ lzma_stream_flags *options, const uint8_t *in)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Decode Stream Footer
+ *
+ * \param options Stream Header options to be encoded.
+ * \param in Beginning of the input buffer of
+ * LZMA_STREAM_HEADER_SIZE bytes.
+ *
+ * \return - LZMA_OK: Decoding was successful.
+ * - LZMA_FORMAT_ERROR: Magic bytes don't match, thus the given
+ * buffer cannot be Stream Footer.
+ * - LZMA_DATA_ERROR: CRC32 doesn't match, thus the Stream Footer
+ * is corrupt.
+ * - LZMA_OPTIONS_ERROR: Unsupported options are present
+ * in Stream Footer.
+ *
+ * \note If Stream Header was already decoded successfully, but
+ * decoding Stream Footer returns LZMA_FORMAT_ERROR, the
+ * application should probably report some other error message
+ * than "file format not recognized", since the file more likely
+ * is corrupt (possibly truncated). Stream decoder in liblzma
+ * uses LZMA_DATA_ERROR in this situation.
+ */
+extern LZMA_API(lzma_ret) lzma_stream_footer_decode(
+ lzma_stream_flags *options, const uint8_t *in)
+ lzma_nothrow lzma_attr_warn_unused_result;
+
+
+/**
+ * \brief Compare two lzma_stream_flags structures
+ *
+ * backward_size values are compared only if both are not
+ * LZMA_VLI_UNKNOWN.
+ *
+ * \return - LZMA_OK: Both are equal. If either had backward_size set
+ * to LZMA_VLI_UNKNOWN, backward_size values were not
+ * compared or validated.
+ * - LZMA_DATA_ERROR: The structures differ.
+ * - LZMA_OPTIONS_ERROR: version in either structure is greater
+ * than the maximum supported version (currently zero).
+ * - LZMA_PROG_ERROR: Invalid value, e.g. invalid check or
+ * backward_size.
+ */
+extern LZMA_API(lzma_ret) lzma_stream_flags_compare(
+ const lzma_stream_flags *a, const lzma_stream_flags *b)
+ lzma_nothrow lzma_attr_pure;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/subblock.h b/Build/source/extra/xz/src/liblzma/api/lzma/subblock.h
new file mode 100644
index 00000000000..4ffb049824b
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/subblock.h
@@ -0,0 +1,200 @@
+/**
+ * \file lzma/subblock.h
+ * \brief Subblock filter
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Filter ID
+ *
+ * Filter ID of the Subblock filter. This is used as lzma_filter.id.
+ */
+#define LZMA_FILTER_SUBBLOCK LZMA_VLI_C(0x01)
+
+
+/**
+ * \brief Subfilter mode
+ *
+ * See lzma_options_subblock.subfilter_mode for details.
+ */
+typedef enum {
+ LZMA_SUBFILTER_NONE,
+ /**<
+ * No Subfilter is in use.
+ */
+
+ LZMA_SUBFILTER_SET,
+ /**<
+ * New Subfilter has been requested to be initialized.
+ */
+
+ LZMA_SUBFILTER_RUN,
+ /**<
+ * Subfilter is active.
+ */
+
+ LZMA_SUBFILTER_FINISH
+ /**<
+ * Subfilter has been requested to be finished.
+ */
+} lzma_subfilter_mode;
+
+
+/**
+ * \brief Options for the Subblock filter
+ *
+ * Specifying options for the Subblock filter is optional: if the pointer
+ * options is NULL, no subfilters are allowed and the default value is used
+ * for subblock_data_size.
+ */
+typedef struct {
+ /* Options for encoder and decoder */
+
+ /**
+ * \brief Allowing subfilters
+ *
+ * If this true, subfilters are allowed.
+ *
+ * In the encoder, if this is set to false, subfilter_mode and
+ * subfilter_options are completely ignored.
+ */
+ lzma_bool allow_subfilters;
+
+ /* Options for encoder only */
+
+ /**
+ * \brief Alignment
+ *
+ * The Subblock filter encapsulates the input data into Subblocks.
+ * Each Subblock has a header which takes a few bytes of space.
+ * When the output of the Subblock encoder is fed to another filter
+ * that takes advantage of the alignment of the input data (e.g. LZMA),
+ * the Subblock filter can add padding to keep the actual data parts
+ * in the Subblocks aligned correctly.
+ *
+ * The alignment should be a positive integer. Subblock filter will
+ * add enough padding between Subblocks so that this is true for
+ * every payload byte:
+ * input_offset % alignment == output_offset % alignment
+ *
+ * The Subblock filter assumes that the first output byte will be
+ * written to a position in the output stream that is properly
+ * aligned. This requirement is automatically met when the start
+ * offset of the Stream or Block is correctly told to Block or
+ * Stream encoder.
+ */
+ uint32_t alignment;
+# define LZMA_SUBBLOCK_ALIGNMENT_MIN 1
+# define LZMA_SUBBLOCK_ALIGNMENT_MAX 32
+# define LZMA_SUBBLOCK_ALIGNMENT_DEFAULT 4
+
+ /**
+ * \brief Size of the Subblock Data part of each Subblock
+ *
+ * This value is re-read every time a new Subblock is started.
+ *
+ * Bigger values
+ * - save a few bytes of space;
+ * - increase latency in the encoder (but no effect for decoding);
+ * - decrease memory locality (increased cache pollution) in the
+ * encoder (no effect in decoding).
+ */
+ uint32_t subblock_data_size;
+# define LZMA_SUBBLOCK_DATA_SIZE_MIN 1
+# define LZMA_SUBBLOCK_DATA_SIZE_MAX (UINT32_C(1) << 28)
+# define LZMA_SUBBLOCK_DATA_SIZE_DEFAULT 4096
+
+ /**
+ * \brief Run-length encoder remote control
+ *
+ * The Subblock filter has an internal run-length encoder (RLE). It
+ * can be useful when the data includes byte sequences that repeat
+ * very many times. The RLE can be used also when a Subfilter is
+ * in use; the RLE will be applied to the output of the Subfilter.
+ *
+ * Note that in contrast to traditional RLE, this RLE is intended to
+ * be used only when there's a lot of data to be repeated. If the
+ * input data has e.g. 500 bytes of NULs now and then, this RLE
+ * is probably useless, because plain LZMA should provide better
+ * results.
+ *
+ * Due to above reasons, it was decided to keep the implementation
+ * of the RLE very simple. When the rle variable is non-zero, it
+ * subblock_data_size must be a multiple of rle. Once the Subblock
+ * encoder has got subblock_data_size bytes of input, it will check
+ * if the whole buffer of the last subblock_data_size can be
+ * represented with repeats of chunks having size of rle bytes.
+ *
+ * If there are consecutive identical buffers of subblock_data_size
+ * bytes, they will be encoded using a single repeat entry if
+ * possible.
+ *
+ * If need arises, more advanced RLE can be implemented later
+ * without breaking API or ABI.
+ */
+ uint32_t rle;
+# define LZMA_SUBBLOCK_RLE_OFF 0
+# define LZMA_SUBBLOCK_RLE_MIN 1
+# define LZMA_SUBBLOCK_RLE_MAX 256
+
+ /**
+ * \brief Subfilter remote control
+ *
+ * When the Subblock filter is initialized, this variable must be
+ * LZMA_SUBFILTER_NONE or LZMA_SUBFILTER_SET.
+ *
+ * When subfilter_mode is LZMA_SUBFILTER_NONE, the application may
+ * put Subfilter options to subfilter_options structure, and then
+ * set subfilter_mode to LZMA_SUBFILTER_SET. No new input data will
+ * be read until the Subfilter has been enabled. Once the Subfilter
+ * has been enabled, liblzma will set subfilter_mode to
+ * LZMA_SUBFILTER_RUN.
+ *
+ * When subfilter_mode is LZMA_SUBFILTER_RUN, the application may
+ * set subfilter_mode to LZMA_SUBFILTER_FINISH. All the input
+ * currently available will be encoded before unsetting the
+ * Subfilter. Application must not change the amount of available
+ * input until the Subfilter has finished. Once the Subfilter has
+ * finished, liblzma will set subfilter_mode to LZMA_SUBFILTER_NONE.
+ *
+ * If the intent is to have Subfilter enabled to the very end of
+ * the data, it is not needed to separately disable Subfilter with
+ * LZMA_SUBFILTER_FINISH. Using LZMA_FINISH as the second argument
+ * of lzma_code() will make the Subblock encoder to disable the
+ * Subfilter once all the data has been ran through the Subfilter.
+ *
+ * After the first call with LZMA_SYNC_FLUSH or LZMA_FINISH, the
+ * application must not change subfilter_mode until LZMA_STREAM_END.
+ * Setting LZMA_SUBFILTER_SET/LZMA_SUBFILTER_FINISH and
+ * LZMA_SYNC_FLUSH/LZMA_FINISH _at the same time_ is fine.
+ *
+ * \note This variable is ignored if allow_subfilters is false.
+ */
+ lzma_subfilter_mode subfilter_mode;
+
+ /**
+ * \brief Subfilter and its options
+ *
+ * When no Subfilter is used, the data is copied as is into Subblocks.
+ * Setting a Subfilter allows encoding some parts of the data with
+ * an additional filter. It is possible to many different Subfilters
+ * in the same Block, although only one can be used at once.
+ *
+ * \note This variable is ignored if allow_subfilters is false.
+ */
+ lzma_filter subfilter_options;
+
+} lzma_options_subblock;
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/version.h b/Build/source/extra/xz/src/liblzma/api/lzma/version.h
new file mode 100644
index 00000000000..0f7c2d3737d
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/version.h
@@ -0,0 +1,121 @@
+/**
+ * \file lzma/version.h
+ * \brief Version number
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/*
+ * Version number split into components
+ */
+#define LZMA_VERSION_MAJOR 4
+#define LZMA_VERSION_MINOR 999
+#define LZMA_VERSION_PATCH 9
+#define LZMA_VERSION_STABILITY LZMA_VERSION_STABILITY_BETA
+
+#ifndef LZMA_VERSION_COMMIT
+# define LZMA_VERSION_COMMIT ""
+#endif
+
+
+/*
+ * Map symbolic stability levels to integers.
+ */
+#define LZMA_VERSION_STABILITY_ALPHA 0
+#define LZMA_VERSION_STABILITY_BETA 1
+#define LZMA_VERSION_STABILITY_STABLE 2
+
+
+/**
+ * \brief Compile-time version number
+ *
+ * The version number is of format xyyyzzzs where
+ * - x = major
+ * - yyy = minor
+ * - zzz = revision
+ * - s indicates stability: 0 = alpha, 1 = beta, 2 = stable
+ *
+ * The same xyyyzzz triplet is never reused with different stability levels.
+ * For example, if 5.1.0alpha has been released, there will never be 5.1.0beta
+ * or 5.1.0 stable.
+ *
+ * \note The version number of liblzma has nothing to with
+ * the version number of Igor Pavlov's LZMA SDK.
+ */
+#define LZMA_VERSION (LZMA_VERSION_MAJOR * UINT32_C(10000000) \
+ + LZMA_VERSION_MINOR * UINT32_C(10000) \
+ + LZMA_VERSION_PATCH * UINT32_C(10) \
+ + LZMA_VERSION_STABILITY)
+
+
+/*
+ * Macros to construct the compile-time version string
+ */
+#if LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_ALPHA
+# define LZMA_VERSION_STABILITY_STRING "alpha"
+#elif LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_BETA
+# define LZMA_VERSION_STABILITY_STRING "beta"
+#elif LZMA_VERSION_STABILITY == LZMA_VERSION_STABILITY_STABLE
+# define LZMA_VERSION_STABILITY_STRING ""
+#else
+# error Incorrect LZMA_VERSION_STABILITY
+#endif
+
+#define LZMA_VERSION_STRING_C_(major, minor, patch, stability, commit) \
+ #major "." #minor "." #patch stability commit
+
+#define LZMA_VERSION_STRING_C(major, minor, patch, stability, commit) \
+ LZMA_VERSION_STRING_C_(major, minor, patch, stability, commit)
+
+
+/**
+ * \brief Compile-time version as a string
+ *
+ * This can be for example "4.999.5alpha", "4.999.8beta", or "5.0.0" (stable
+ * versions don't have any "stable" suffix). In future, a snapshot built
+ * from source code repository may include an additional suffix, for example
+ * "4.999.8beta-21-g1d92". The commit ID won't be available in numeric form
+ * in LZMA_VERSION macro.
+ */
+#define LZMA_VERSION_STRING LZMA_VERSION_STRING_C( \
+ LZMA_VERSION_MAJOR, LZMA_VERSION_MINOR, \
+ LZMA_VERSION_PATCH, LZMA_VERSION_STABILITY_STRING, \
+ LZMA_VERSION_COMMIT)
+
+
+/* #ifndef is needed for use with windres (MinGW or Cygwin). */
+#ifndef LZMA_H_INTERNAL_RC
+
+/**
+ * \brief Run-time version number as an integer
+ *
+ * Return the value of LZMA_VERSION macro at the compile time of liblzma.
+ * This allows the application to compare if it was built against the same,
+ * older, or newer version of liblzma that is currently running.
+ */
+extern LZMA_API(uint32_t) lzma_version_number(void)
+ lzma_nothrow lzma_attr_const;
+
+
+/**
+ * \brief Run-time version as a string
+ *
+ * This function may be useful if you want to display which version of
+ * liblzma your application is currently using.
+ */
+extern LZMA_API(const char *) lzma_version_string(void)
+ lzma_nothrow lzma_attr_const;
+
+#endif
diff --git a/Build/source/extra/xz/src/liblzma/api/lzma/vli.h b/Build/source/extra/xz/src/liblzma/api/lzma/vli.h
new file mode 100644
index 00000000000..57e3d3882b5
--- /dev/null
+++ b/Build/source/extra/xz/src/liblzma/api/lzma/vli.h
@@ -0,0 +1,167 @@
+/**
+ * \file lzma/vli.h
+ * \brief Variable-length integer handling
+ *
+ * In the .xz format, most integers are encoded in a variable-length
+ * representation, which is sometimes called little endian base-128 encoding.
+ * This saves space when smaller values are more likely than bigger values.
+ *
+ * The encoding scheme encodes seven bits to every byte, using minimum
+ * number of bytes required to represent the given value. Encodings that use
+ * non-minimum number of bytes are invalid, thus every integer has exactly
+ * one encoded representation. The maximum number of bits in a VLI is 63,
+ * thus the vli argument must be less than or equal to UINT64_MAX / 2. You
+ * should use LZMA_VLI_MAX for clarity.
+ */
+
+/*
+ * Author: Lasse Collin
+ *
+ * This file has been put into the public domain.
+ * You can do whatever you want with this file.
+ *
+ * See ../lzma.h for information about liblzma as a whole.
+ */
+
+#ifndef LZMA_H_INTERNAL
+# error Never include this file directly. Use <lzma.h> instead.
+#endif
+
+
+/**
+ * \brief Maximum supported value of variable-length integer
+ */
+#define LZMA_VLI_MAX (UINT64_MAX / 2)
+
+/**
+ * \brief VLI value to denote that the value is unknown
+ */
+#define LZMA_VLI_UNKNOWN UINT64_MAX
+
+/**
+ * \brief Maximum supported length of variable length integers
+ */
+#define LZMA_VLI_BYTES_MAX 9
+
+
+/**
+ * \brief VLI constant suffix
+ */
+#define LZMA_VLI_C(n) UINT64_C(n)
+
+
+/**
+ * \brief Variable-length integer type
+ *
+ * This will always be unsigned integer. Valid VLI values are in the range
+ * [0, LZMA_VLI_MAX]. Unknown value is indicated with LZMA_VLI_UNKNOWN,
+ * which is the maximum value of the underlaying integer type.
+ *
+ * In future, even if lzma_vli is defined to be something other than uint64_t,
+ * it is guaranteed that 2 * LZMA_VLI_MAX will not overflow lzma_vli.
+ * This simplifies integer overflow detection.
+ */
+typedef uint64_t lzma_vli;
+
+
+/**
+ * \brief Simple macro to validate variable-length integer
+ *
+ * This is useful to test that application has given acceptable values
+ * for example in the uncompressed_size and compressed_size variables.
+ *
+ * \return True if the integer is representable as VLI or if it
+ * indicates unknown value.
+ */
+#define lzma_vli_is_valid(vli) \
+ ((vli) <= LZMA_VLI_MAX || (vli) == LZMA_VLI_UNKNOWN)
+
+
+/**
+ * \brief Encode a variable-length integer
+ *
+ * This function has two modes: single-call and multi-call. Single-call mode
+ * encodes the whole integer at once; it is an error if the output buffer is
+ * too small. Multi-call mode saves the position in *vli_pos, and thus it is
+ * possible to continue encoding if the buffer becomes full before the whole
+ * integer has been encoded.
+ *
+ * \param vli Integer to be encoded
+ * \param vli_pos How many VLI-encoded bytes have already been written
+ * out. When starting to encode a new integer, *vli_pos
+ * must be set to zero. To use single-call encoding,
+ * set vli_pos to NULL.
+ * \param out Beginning of the output buffer
+ * \param out_pos The next byte will be written to out[*out_pos].
+ * \param out_size Size of the out buffer; the first byte into
+ * which no data is written to is out[out_size].
+ *
+ * \return Slightly different return values are used in multi-call and
+ * single-call modes.
+ *
+ * Single-call (vli_pos == NULL):
+ * - LZMA_OK: Integer successfully encoded.
+ * - LZMA_PROG_ERROR: Arguments are not sane. This can be due
+ * to too little output space; single-call mode doesn't use
+ * LZMA_BUF_ERROR, since the application should have checked
+ * the encoded size with lzma_vli_size().
+ *
+ * Multi-call (vli_pos != NULL):
+ * - LZMA_OK: So far all OK, but the integer is not
+ * completely written out yet.
+ * - LZMA_STREAM_END: Integer successfully encoded.
+ * - LZMA_BUF_ERROR: No output space was provided.
+ * - LZMA_PROG_ERROR: Arguments are not sane.
+ */
+extern LZMA_API(lzma_ret) lzma_vli_encode(lzma_vli vli, size_t *vli_pos,
+ uint8_t *out, size_t *out_pos, size_t out_size) lzma_nothrow;
+
+
+/**
+ * \brief Decode a variable-length integer
+ *
+ * Like lzma_vli_encode(), this function has single-call and multi-call modes.
+ *
+ * \param vli Pointer to decoded integer. The decoder will
+ * initialize it to zero when *vli_pos == 0, so
+ * application isn't required to initialize *vli.
+ * \param vli_pos How many bytes have already been decoded. When
+ * starting to decode a new integer, *vli_pos must
+ * be initialized to zero. To use single-call decoding,
+ * set this to NULL.
+ * \param in Beginning of the input buffer
+ * \param in_pos The next byte will be read from in[*in_pos].
+ * \param in_size Size of the input buffer; the first byte that
+ * won't be read is in[in_size].
+ *
+ * \return Slightly different return values are used in multi-call and
+ * single-call modes.
+ *
+ * Single-call (vli_pos == NULL):
+ * - LZMA_OK: Integer successfully decoded.
+ * - LZMA_DATA_ERROR: Integer is corrupt. This includes hitting
+ * the end of the input buffer before the whole integer was
+ * decoded; providing no input at all will use LZMA_DATA_ERROR.
+ * - LZMA_PROG_ERROR: Arguments are not sane.
+ *
+ * Multi-call (vli_pos != NULL):
+ * - LZMA_OK: So far all OK, but the integer is not
+ * completely decoded yet.
+ * - LZMA_STREAM_END: Integer successfully decoded.
+ * - LZMA_DATA_ERROR: Integer is corrupt.
+ * - LZMA_BUF_ERROR: No input was provided.
+ * - LZMA_PROG_ERROR: Arguments are not sane.
+ */
+extern LZMA_API(lzma_ret) lzma_vli_decode(lzma_vli *vli, size_t *vli_pos,
+ const uint8_t *in, size_t *in_pos, size_t in_size)
+ lzma_nothrow;
+
+
+/**
+ * \brief Get the number of bytes required to encode a VLI
+ *
+ * \return Number of bytes on success (1-9). If vli isn't valid,
+ * zero is returned.
+ */
+extern LZMA_API(uint32_t) lzma_vli_size(lzma_vli vli)
+ lzma_nothrow lzma_attr_pure;