Rewrote the 7zip archiver.

This also updates the LZMA SDK to something more modern, which is now public
domain code, and squashed it into a single header for easier building.

CMakeLists.txt

@@ -39,22 +39,6 @@ if(CMAKE_C_COMPILER_ID STREQUAL "SunPro")
 endif()
 
 
-# Basic chunks of source code ...
-
-set(LZMA_SRCS
-    src/lzma/C/7zCrc.c
-    src/lzma/C/Archive/7z/7zBuffer.c
-    src/lzma/C/Archive/7z/7zDecode.c
-    src/lzma/C/Archive/7z/7zExtract.c
-    src/lzma/C/Archive/7z/7zHeader.c
-    src/lzma/C/Archive/7z/7zIn.c
-    src/lzma/C/Archive/7z/7zItem.c
-    src/lzma/C/Archive/7z/7zMethodID.c
-    src/lzma/C/Compress/Branch/BranchX86.c
-    src/lzma/C/Compress/Branch/BranchX86_2.c
-    src/lzma/C/Compress/Lzma/LzmaDecode.c
-)
-
 if(HAIKU)
     # We add this explicitly, since we don't want CMake to think this
     #  is a C++ project unless we're on Haiku.
@@ -87,7 +71,7 @@ set(PHYSFS_SRCS
     src/archiver_unpacked.c
     src/archiver_grp.c
     src/archiver_hog.c
-    src/archiver_lzma.c
+    src/archiver_7z.c
     src/archiver_mvl.c
     src/archiver_qpak.c
     src/archiver_wad.c
@@ -109,10 +93,8 @@ if(NOT PHYSFS_ARCHIVE_ZIP)
 endif()
 
 option(PHYSFS_ARCHIVE_7Z "Enable 7zip support" TRUE)
-if(PHYSFS_ARCHIVE_7Z)   # !!! FIXME: this is DISABLED by default in the source because it needs LZMA SDK; clean that up and enable this by default.
+if(NOT PHYSFS_ARCHIVE_7Z)
     add_definitions(-DPHYSFS_SUPPORTS_7Z=0)
-    # !!! FIXME: rename to 7z.c?
-    set(PHYSFS_SRCS ${PHYSFS_SRCS} ${LZMA_SRCS})
 endif()
 
 option(PHYSFS_ARCHIVE_GRP "Enable Build Engine GRP support" TRUE)

src/archiver_lzma.c

@@ -1,701 +0,0 @@
-/*
- * LZMA support routines for PhysicsFS.
- *
- * Please see the file lzma.txt in the lzma/ directory.
- *
- *  This file was written by Dennis Schridde, with some peeking at "7zMain.c"
- *   by Igor Pavlov.
- */
-
-#define __PHYSICSFS_INTERNAL__
-#include "physfs_internal.h"
-
-#if PHYSFS_SUPPORTS_7Z
-
-#include "lzma/C/7zCrc.h"
-#include "lzma/C/Archive/7z/7zIn.h"
-#include "lzma/C/Archive/7z/7zExtract.h"
-
-
-/* 7z internal from 7zIn.c */
-extern int TestSignatureCandidate(Byte *testBytes);
-
-
-#ifdef _LZMA_IN_CB
-# define BUFFER_SIZE (1 << 12)
-#endif /* _LZMA_IN_CB */
-
-
-/*
- * Carries filestream metadata through 7z
- */
-typedef struct _FileInputStream
-{
-    ISzAlloc allocImp; /* Allocation implementation, used by 7z */
-    ISzAlloc allocTempImp; /* Temporary allocation implementation, used by 7z */
-    ISzInStream inStream; /* Input stream with read callbacks, used by 7z */
-    PHYSFS_Io *io;  /* Filehandle, used by read implementation */
-#ifdef _LZMA_IN_CB
-    Byte buffer[BUFFER_SIZE]; /* Buffer, used by read implementation */
-#endif /* _LZMA_IN_CB */
-} FileInputStream;
-
-/*
- * In the 7z format archives are splited into blocks, those are called folders
- * Set by LZMA_read()
-*/
-typedef struct _LZMAfolder
-{
-    PHYSFS_uint32 index; /* Index of folder in archive */
-    PHYSFS_uint32 references; /* Number of files using this block */
-    PHYSFS_uint8 *cache; /* Cached folder */
-    size_t size; /* Size of folder */
-} LZMAfolder;
-
-/*
- * Set by LZMA_openArchive(), except folder which gets it's values
- *  in LZMA_read()
- */
-typedef struct _LZMAarchive
-{
-    struct _LZMAfile *files; /* Array of files, size == archive->db.Database.NumFiles */
-    LZMAfolder *folders; /* Array of folders, size == archive->db.Database.NumFolders */
-    CArchiveDatabaseEx db; /* For 7z: Database */
-    FileInputStream stream; /* For 7z: Input file incl. read and seek callbacks */
-} LZMAarchive;
-
-/* Set by LZMA_openArchive(), except offset which is set by LZMA_read() */
-typedef struct _LZMAfile
-{
-    PHYSFS_uint32 index; /* Index of file in archive */
-    LZMAarchive *archive; /* Link to corresponding archive */
-    LZMAfolder *folder; /* Link to corresponding folder */
-    CFileItem *item; /* For 7z: File info, eg. name, size */
-    size_t offset; /* Offset in folder */
-    size_t position; /* Current "virtual" position in file */
-} LZMAfile;
-
-
-/* Memory management implementations to be passed to 7z */
-
-static void *SzAllocPhysicsFS(size_t size)
-{
-    return ((size == 0) ? NULL : allocator.Malloc(size));
-} /* SzAllocPhysicsFS */
-
-
-static void SzFreePhysicsFS(void *address)
-{
-    if (address != NULL)
-        allocator.Free(address);
-} /* SzFreePhysicsFS */
-
-
-/* Filesystem implementations to be passed to 7z */
-
-#ifdef _LZMA_IN_CB
-
-/*
- * Read implementation, to be passed to 7z
- * WARNING: If the ISzInStream in 'object' is not contained in a valid FileInputStream this _will_ break horribly!
- */
-SZ_RESULT SzFileReadImp(void *object, void **buffer, size_t maxReqSize,
-                        size_t *processedSize)
-{
-    FileInputStream *s = (FileInputStream *)(object - offsetof(FileInputStream, inStream)); /* HACK! */
-    PHYSFS_sint64 processedSizeLoc = 0;
-
-    if (maxReqSize > BUFFER_SIZE)
-        maxReqSize = BUFFER_SIZE;
-    processedSizeLoc = s->io->read(s->io, s->buffer, maxReqSize);
-    *buffer = s->buffer;
-    if (processedSize != NULL)
-        *processedSize = (size_t) processedSizeLoc;
-
-    return SZ_OK;
-} /* SzFileReadImp */
-
-#else
-
-/*
- * Read implementation, to be passed to 7z
- * WARNING: If the ISzInStream in 'object' is not contained in a valid FileInputStream this _will_ break horribly!
- */
-SZ_RESULT SzFileReadImp(void *object, void *buffer, size_t size,
-                        size_t *processedSize)
-{
-    FileInputStream *s = (FileInputStream *)((size_t)object - offsetof(FileInputStream, inStream)); /* HACK! */
-    const size_t processedSizeLoc = s->io->read(s->io, buffer, size);
-    if (processedSize != NULL)
-        *processedSize = processedSizeLoc;
-    return SZ_OK;
-} /* SzFileReadImp */
-
-#endif
-
-/*
- * Seek implementation, to be passed to 7z
- * WARNING: If the ISzInStream in 'object' is not contained in a valid FileInputStream this _will_ break horribly!
- */
-SZ_RESULT SzFileSeekImp(void *object, CFileSize pos)
-{
-    FileInputStream *s = (FileInputStream *)((size_t)object - offsetof(FileInputStream, inStream)); /* HACK! */
-    if (s->io->seek(s->io, (PHYSFS_uint64) pos))
-        return SZ_OK;
-    return SZE_FAIL;
-} /* SzFileSeekImp */
-
-
-/*
- * Translate Microsoft FILETIME (used by 7zip) into UNIX timestamp
- */
-static PHYSFS_sint64 lzma_filetime_to_unix_timestamp(CArchiveFileTime *ft)
-{
-    /* MS counts in nanoseconds ... */
-    const PHYSFS_uint64 FILETIME_NANOTICKS_PER_SECOND = __PHYSFS_UI64(10000000);
-    /* MS likes to count seconds since 01.01.1601 ... */
-    const PHYSFS_uint64 FILETIME_UNIX_DIFF = __PHYSFS_UI64(11644473600);
-
-    PHYSFS_uint64 filetime = ft->Low | ((PHYSFS_uint64)ft->High << 32);
-    return filetime/FILETIME_NANOTICKS_PER_SECOND - FILETIME_UNIX_DIFF;
-} /* lzma_filetime_to_unix_timestamp */
-
-
-/*
- * Compare a file with a given name, C89 stdlib variant
- * Used for sorting
- */
-static int lzma_file_cmp_stdlib(const void *key, const void *object)
-{
-    const char *name = (const char *) key;
-    LZMAfile *file = (LZMAfile *) object;
-    return strcmp(name, file->item->Name);
-} /* lzma_file_cmp_posix */
-
-
-/*
- * Compare two files with each other based on the name
- * Used for sorting
- */
-static int lzma_file_cmp(void *_a, size_t one, size_t two)
-{
-    LZMAfile *files = (LZMAfile *) _a;
-    return strcmp(files[one].item->Name, files[two].item->Name);
-} /* lzma_file_cmp */
-
-
-/*
- * Swap two entries in the file array
- */
-static void lzma_file_swap(void *_a, size_t one, size_t two)
-{
-    LZMAfile tmp;
-    LZMAfile *first = &(((LZMAfile *) _a)[one]);
-    LZMAfile *second = &(((LZMAfile *) _a)[two]);
-    memcpy(&tmp, first, sizeof (LZMAfile));
-    memcpy(first, second, sizeof (LZMAfile));
-    memcpy(second, &tmp, sizeof (LZMAfile));
-} /* lzma_file_swap */
-
-
-/*
- * Find entry 'name' in 'archive'
- */
-static LZMAfile * lzma_find_file(const LZMAarchive *archive, const char *name)
-{
-    LZMAfile *file = bsearch(name, archive->files, archive->db.Database.NumFiles, sizeof(*archive->files), lzma_file_cmp_stdlib); /* FIXME: Should become __PHYSFS_search!!! */
-
-    BAIL_IF(file == NULL, PHYSFS_ERR_NOT_FOUND, NULL);
-
-    return file;
-} /* lzma_find_file */
-
-
-/*
- * Load metadata for the file at given index
- */
-static int lzma_file_init(LZMAarchive *archive, PHYSFS_uint32 fileIndex)
-{
-    LZMAfile *file = &archive->files[fileIndex];
-    PHYSFS_uint32 folderIndex = archive->db.FileIndexToFolderIndexMap[fileIndex];
-
-    file->index = fileIndex; /* Store index into 7z array, since we sort our own. */
-    file->archive = archive;
-    file->folder = (folderIndex != (PHYSFS_uint32)-1 ? &archive->folders[folderIndex] : NULL); /* Directories don't have a folder (they contain no own data...) */
-    file->item = &archive->db.Database.Files[fileIndex]; /* Holds crucial data and is often referenced -> Store link */
-    file->position = 0;
-    file->offset = 0; /* Offset will be set by LZMA_read() */
-
-    return 1;
-} /* lzma_load_file */
-
-
-/*
- * Load metadata for all files
- */
-static int lzma_files_init(LZMAarchive *archive)
-{
-    PHYSFS_uint32 fileIndex = 0, numFiles = archive->db.Database.NumFiles;
-
-    for (fileIndex = 0; fileIndex < numFiles; fileIndex++ )
-    {
-        if (!lzma_file_init(archive, fileIndex))
-        {
-            return 0; /* FALSE on failure */
-        }
-    } /* for */
-
-   __PHYSFS_sort(archive->files, (size_t) numFiles, lzma_file_cmp, lzma_file_swap);
-
-    return 1;
-} /* lzma_load_files */
-
-
-/*
- * Initialise specified archive
- */
-static void lzma_archive_init(LZMAarchive *archive)
-{
-    memset(archive, 0, sizeof(*archive));
-
-    /* Prepare callbacks for 7z */
-    archive->stream.inStream.Read = SzFileReadImp;
-    archive->stream.inStream.Seek = SzFileSeekImp;
-
-    archive->stream.allocImp.Alloc = SzAllocPhysicsFS;
-    archive->stream.allocImp.Free = SzFreePhysicsFS;
-
-    archive->stream.allocTempImp.Alloc = SzAllocPhysicsFS;
-    archive->stream.allocTempImp.Free = SzFreePhysicsFS;
-}
-
-
-/*
- * Deinitialise archive
- */
-static void lzma_archive_exit(LZMAarchive *archive)
-{
-    /* Free arrays */
-    allocator.Free(archive->folders);
-    allocator.Free(archive->files);
-    allocator.Free(archive);
-}
-
-/*
- * Wrap all 7z calls in this, so the physfs error state is set appropriately.
- */
-static int lzma_err(SZ_RESULT rc)
-{
-    switch (rc)
-    {
-        case SZ_OK: /* Same as LZMA_RESULT_OK */
-            break;
-        case SZE_DATA_ERROR: /* Same as LZMA_RESULT_DATA_ERROR */
-            PHYSFS_setErrorCode(PHYSFS_ERR_CORRUPT); /*!!!FIXME: was "PHYSFS_ERR_DATA_ERROR" */
-            break;
-        case SZE_OUTOFMEMORY:
-            PHYSFS_setErrorCode(PHYSFS_ERR_OUT_OF_MEMORY);
-            break;
-        case SZE_CRC_ERROR:
-            PHYSFS_setErrorCode(PHYSFS_ERR_CORRUPT);
-            break;
-        case SZE_NOTIMPL:
-            PHYSFS_setErrorCode(PHYSFS_ERR_UNSUPPORTED);
-            break;
-        case SZE_FAIL:
-            PHYSFS_setErrorCode(PHYSFS_ERR_OTHER_ERROR);  /* !!! FIXME: right? */
-            break;
-        case SZE_ARCHIVE_ERROR:
-            PHYSFS_setErrorCode(PHYSFS_ERR_CORRUPT);  /* !!! FIXME: right? */
-            break;
-        default:
-            PHYSFS_setErrorCode(PHYSFS_ERR_OTHER_ERROR);
-    } /* switch */
-
-    return rc;
-} /* lzma_err */
-
-
-static PHYSFS_sint64 LZMA_read(PHYSFS_Io *io, void *outBuf, PHYSFS_uint64 len)
-{
-    LZMAfile *file = (LZMAfile *) io->opaque;
-
-    size_t wantedSize = (size_t) len;
-    const size_t remainingSize = file->item->Size - file->position;
-    size_t fileSize = 0;
-
-    if (wantedSize == 0)
-        return 0;  /* quick rejection. */
-
-    BAIL_IF(remainingSize == 0, PHYSFS_ERR_PAST_EOF, 0);
-
-    if (wantedSize > remainingSize)
-        wantedSize = remainingSize;
-
-    /* Only decompress the folder if it is not already cached */
-    if (file->folder->cache == NULL)
-    {
-        const int rc = lzma_err(SzExtract(
-            &file->archive->stream.inStream, /* compressed data */
-            &file->archive->db, /* 7z's database, containing everything */
-            file->index, /* Index into database arrays */
-            /* Index of cached folder, will be changed by SzExtract */
-            &file->folder->index,
-            /* Cache for decompressed folder, allocated/freed by SzExtract */
-            &file->folder->cache,
-            /* Size of cache, will be changed by SzExtract */
-            &file->folder->size,
-            /* Offset of this file inside the cache, set by SzExtract */
-            &file->offset,
-            &fileSize, /* Size of this file */
-            &file->archive->stream.allocImp,
-            &file->archive->stream.allocTempImp));
-
-        if (rc != SZ_OK)
-            return -1;
-    } /* if */
-
-    /* Copy wanted bytes over from cache to outBuf */
-    memcpy(outBuf, (file->folder->cache + file->offset + file->position),
-            wantedSize);
-    file->position += wantedSize; /* Increase virtual position */
-
-    return wantedSize;
-} /* LZMA_read */
-
-
-static PHYSFS_sint64 LZMA_write(PHYSFS_Io *io, const void *b, PHYSFS_uint64 len)
-{
-    BAIL(PHYSFS_ERR_READ_ONLY, -1);
-} /* LZMA_write */
-
-
-static PHYSFS_sint64 LZMA_tell(PHYSFS_Io *io)
-{
-    LZMAfile *file = (LZMAfile *) io->opaque;
-    return file->position;
-} /* LZMA_tell */
-
-
-static int LZMA_seek(PHYSFS_Io *io, PHYSFS_uint64 offset)
-{
-    LZMAfile *file = (LZMAfile *) io->opaque;
-
-    BAIL_IF(offset > file->item->Size, PHYSFS_ERR_PAST_EOF, 0);
-
-    file->position = offset; /* We only use a virtual position... */
-
-    return 1;
-} /* LZMA_seek */
-
-
-static PHYSFS_sint64 LZMA_length(PHYSFS_Io *io)
-{
-    const LZMAfile *file = (LZMAfile *) io->opaque;
-    return (file->item->Size);
-} /* LZMA_length */
-
-
-static PHYSFS_Io *LZMA_duplicate(PHYSFS_Io *_io)
-{
-    /* !!! FIXME: this archiver needs to be reworked to allow multiple
-     * !!! FIXME:  opens before we worry about duplication. */
-    BAIL(PHYSFS_ERR_UNSUPPORTED, NULL);
-} /* LZMA_duplicate */
-
-
-static int LZMA_flush(PHYSFS_Io *io) { return 1;  /* no write support. */ }
-
-
-static void LZMA_destroy(PHYSFS_Io *io)
-{
-    LZMAfile *file = (LZMAfile *) io->opaque;
-
-    if (file->folder != NULL)
-    {
-        /* Only decrease refcount if someone actually requested this file... Prevents from overflows and close-on-open... */
-        if (file->folder->references > 0)
-            file->folder->references--;
-        if (file->folder->references == 0)
-        {
-            /* Free the cache which might have been allocated by LZMA_read() */
-            allocator.Free(file->folder->cache);
-            file->folder->cache = NULL;
-        }
-        /* !!! FIXME: we don't free (file) or (file->folder)?! */
-    } /* if */
-} /* LZMA_destroy */
-
-
-static const PHYSFS_Io LZMA_Io =
-{
-    CURRENT_PHYSFS_IO_API_VERSION, NULL,
-    LZMA_read,
-    LZMA_write,
-    LZMA_seek,
-    LZMA_tell,
-    LZMA_length,
-    LZMA_duplicate,
-    LZMA_flush,
-    LZMA_destroy
-};
-
-
-static void *LZMA_openArchive(PHYSFS_Io *io, const char *name, int forWriting)
-{
-    PHYSFS_uint8 sig[k7zSignatureSize];
-    size_t len = 0;
-    LZMAarchive *archive = NULL;
-
-    assert(io != NULL);  /* shouldn't ever happen. */
-
-    BAIL_IF(forWriting, PHYSFS_ERR_READ_ONLY, NULL);
-
-    if (io->read(io, sig, k7zSignatureSize) != k7zSignatureSize)
-        return 0;
-    BAIL_IF(!TestSignatureCandidate(sig), PHYSFS_ERR_UNSUPPORTED, NULL);
-    BAIL_IF_ERRPASS(!io->seek(io, 0), NULL);
-
-    archive = (LZMAarchive *) allocator.Malloc(sizeof (LZMAarchive));
-    BAIL_IF(archive == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-
-    lzma_archive_init(archive);
-    archive->stream.io = io;
-
-    CrcGenerateTable();
-    SzArDbExInit(&archive->db);
-    if (lzma_err(SzArchiveOpen(&archive->stream.inStream,
-                               &archive->db,
-                               &archive->stream.allocImp,
-                               &archive->stream.allocTempImp)) != SZ_OK)
-    {
-        SzArDbExFree(&archive->db, SzFreePhysicsFS);
-        lzma_archive_exit(archive);
-        return NULL; /* Error is set by lzma_err! */
-    } /* if */
-
-    len = archive->db.Database.NumFiles * sizeof (LZMAfile);
-    archive->files = (LZMAfile *) allocator.Malloc(len);
-    if (archive->files == NULL)
-    {
-        SzArDbExFree(&archive->db, SzFreePhysicsFS);
-        lzma_archive_exit(archive);
-        BAIL(PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    }
-
-    /*
-     * Init with 0 so we know when a folder is already cached
-     * Values will be set by LZMA_openRead()
-     */
-    memset(archive->files, 0, len);
-
-    len = archive->db.Database.NumFolders * sizeof (LZMAfolder);
-    archive->folders = (LZMAfolder *) allocator.Malloc(len);
-    if (archive->folders == NULL)
-    {
-        SzArDbExFree(&archive->db, SzFreePhysicsFS);
-        lzma_archive_exit(archive);
-        BAIL(PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    }
-
-    /*
-     * Init with 0 so we know when a folder is already cached
-     * Values will be set by LZMA_read()
-     */
-    memset(archive->folders, 0, len);
-
-    if(!lzma_files_init(archive))
-    {
-        SzArDbExFree(&archive->db, SzFreePhysicsFS);
-        lzma_archive_exit(archive);
-        BAIL(PHYSFS_ERR_OTHER_ERROR, NULL);
-    }
-
-    return archive;
-} /* LZMA_openArchive */
-
-
-/*
- * Moved to seperate function so we can use alloca then immediately throw
- *  away the allocated stack space...
- */
-static void doEnumCallback(PHYSFS_EnumFilesCallback cb, void *callbackdata,
-                           const char *odir, const char *str, size_t flen)
-{
-    char *newstr = __PHYSFS_smallAlloc(flen + 1);
-    if (newstr == NULL)
-        return;
-
-    memcpy(newstr, str, flen);
-    newstr[flen] = '\0';
-    cb(callbackdata, odir, newstr);
-    __PHYSFS_smallFree(newstr);
-} /* doEnumCallback */
-
-
-static void LZMA_enumerateFiles(void *opaque, const char *dname,
-                                PHYSFS_EnumFilesCallback cb,
-                                const char *origdir, void *callbackdata)
-{
-    size_t dlen = strlen(dname),
-           dlen_inc = dlen + ((dlen > 0) ? 1 : 0);
-    LZMAarchive *archive = (LZMAarchive *) opaque;
-    LZMAfile *file = NULL,
-            *lastFile = &archive->files[archive->db.Database.NumFiles];
-        if (dlen)
-        {
-            file = lzma_find_file(archive, dname);
-            if (file != NULL) /* if 'file' is NULL it should stay so, otherwise errors will not be handled */
-                file += 1;
-        }
-        else
-        {
-            file = archive->files;
-        }
-
-    BAIL_IF(file == NULL, PHYSFS_ERR_NOT_FOUND, );
-
-    while (file < lastFile)
-    {
-        const char * fname = file->item->Name;
-        const char * dirNameEnd = fname + dlen_inc;
-
-        if (strncmp(dname, fname, dlen) != 0) /* Stop after mismatch, archive->files is sorted */
-            break;
-
-        if (strchr(dirNameEnd, '/')) /* Skip subdirs */
-        {
-            file++;
-            continue;
-        }
-
-        /* Do the actual callback... */
-        doEnumCallback(cb, callbackdata, origdir, dirNameEnd, strlen(dirNameEnd));
-
-        file++;
-    }
-} /* LZMA_enumerateFiles */
-
-
-static PHYSFS_Io *LZMA_openRead(void *opaque, const char *name)
-{
-    LZMAarchive *archive = (LZMAarchive *) opaque;
-    LZMAfile *file = lzma_find_file(archive, name);
-    PHYSFS_Io *io = NULL;
-
-    BAIL_IF(file == NULL, PHYSFS_ERR_NOT_FOUND, NULL);
-    BAIL_IF(file->folder == NULL, PHYSFS_ERR_NOT_A_FILE, NULL);
-
-    file->position = 0;
-    file->folder->references++; /* Increase refcount for automatic cleanup... */
-
-    io = (PHYSFS_Io *) allocator.Malloc(sizeof (PHYSFS_Io));
-    BAIL_IF(io == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
-    memcpy(io, &LZMA_Io, sizeof (*io));
-    io->opaque = file;
-
-    return io;
-} /* LZMA_openRead */
-
-
-static PHYSFS_Io *LZMA_openWrite(void *opaque, const char *filename)
-{
-    BAIL(PHYSFS_ERR_READ_ONLY, NULL);
-} /* LZMA_openWrite */
-
-
-static PHYSFS_Io *LZMA_openAppend(void *opaque, const char *filename)
-{
-    BAIL(PHYSFS_ERR_READ_ONLY, NULL);
-} /* LZMA_openAppend */
-
-
-static void LZMA_closeArchive(void *opaque)
-{
-    LZMAarchive *archive = (LZMAarchive *) opaque;
-
-#if 0  /* !!! FIXME: you shouldn't have to do this. */
-    PHYSFS_uint32 fileIndex = 0, numFiles = archive->db.Database.NumFiles;
-    for (fileIndex = 0; fileIndex < numFiles; fileIndex++)
-    {
-        LZMA_fileClose(&archive->files[fileIndex]);
-    } /* for */
-#endif
-
-    SzArDbExFree(&archive->db, SzFreePhysicsFS);
-    archive->stream.io->destroy(archive->stream.io);
-    lzma_archive_exit(archive);
-} /* LZMA_closeArchive */
-
-
-static int LZMA_remove(void *opaque, const char *name)
-{
-    BAIL(PHYSFS_ERR_READ_ONLY, 0);
-} /* LZMA_remove */
-
-
-static int LZMA_mkdir(void *opaque, const char *name)
-{
-    BAIL(PHYSFS_ERR_READ_ONLY, 0);
-} /* LZMA_mkdir */
-
-static int LZMA_stat(void *opaque, const char *filename, PHYSFS_Stat *stat)
-{
-    const LZMAarchive *archive = (const LZMAarchive *) opaque;
-    const LZMAfile *file = lzma_find_file(archive, filename);
-
-    if (!file)
-        return 0;
-
-    if(file->item->IsDirectory)
-    {
-        stat->filesize = 0;
-        stat->filetype = PHYSFS_FILETYPE_DIRECTORY;
-    } /* if */
-    else
-    {
-        stat->filesize = (PHYSFS_sint64) file->item->Size;
-        stat->filetype = PHYSFS_FILETYPE_REGULAR;
-    } /* else */
-
-    /* !!! FIXME: the 0's should be -1's? */
-    if (file->item->IsLastWriteTimeDefined)
-        stat->modtime = lzma_filetime_to_unix_timestamp(&file->item->LastWriteTime);
-    else
-        stat->modtime = 0;
-
-    /* real create and accesstype are currently not in the lzma SDK */
-    stat->createtime = stat->modtime;
-    stat->accesstime = 0;
-
-    stat->readonly = 1;  /* 7zips are always read only */
-
-    return 1;
-} /* LZMA_stat */
-
-
-const PHYSFS_Archiver __PHYSFS_Archiver_LZMA =
-{
-    CURRENT_PHYSFS_ARCHIVER_API_VERSION,
-    {
-        "7Z",
-        "LZMA (7zip) format",
-        "Dennis Schridde <devurandom@gmx.net>",
-        "https://icculus.org/physfs/",
-        0,  /* supportsSymlinks */
-    },
-    LZMA_openArchive,
-    LZMA_enumerateFiles,
-    LZMA_openRead,
-    LZMA_openWrite,
-    LZMA_openAppend,
-    LZMA_remove,
-    LZMA_mkdir,
-    LZMA_stat,
-    LZMA_closeArchive
-};
-
-#endif  /* defined PHYSFS_SUPPORTS_7Z */
-
-/* end of archiver_lzma.c ... */
-

src/physfs.c

@@ -1131,7 +1131,7 @@ static int initStaticArchivers(void)
         REGISTER_STATIC_ARCHIVER(ZIP);
     #endif
     #if PHYSFS_SUPPORTS_7Z
-        REGISTER_STATIC_ARCHIVER(LZMA);
+        REGISTER_STATIC_ARCHIVER(SZIP);
     #endif
     #if PHYSFS_SUPPORTS_GRP
         REGISTER_STATIC_ARCHIVER(GRP);

src/physfs_internal.h

@@ -79,7 +79,7 @@ extern "C" {
    wrapped in PHYSFS_SUPPORTS_* checks before actually referencing them. */
 extern const PHYSFS_Archiver __PHYSFS_Archiver_DIR;
 extern const PHYSFS_Archiver __PHYSFS_Archiver_ZIP;
-extern const PHYSFS_Archiver __PHYSFS_Archiver_LZMA;
+extern const PHYSFS_Archiver __PHYSFS_Archiver_SZIP;
 extern const PHYSFS_Archiver __PHYSFS_Archiver_GRP;
 extern const PHYSFS_Archiver __PHYSFS_Archiver_QPAK;
 extern const PHYSFS_Archiver __PHYSFS_Archiver_HOG;
@@ -141,7 +141,7 @@ void __PHYSFS_smallFree(void *ptr);
 #define PHYSFS_SUPPORTS_ZIP 1
 #endif
 #ifndef PHYSFS_SUPPORTS_7Z
-#define PHYSFS_SUPPORTS_7Z 0
+#define PHYSFS_SUPPORTS_7Z 1
 #endif
 #ifndef PHYSFS_SUPPORTS_GRP
 #define PHYSFS_SUPPORTS_GRP 1

src/physfs_lzmasdk.h

@@ -0,0 +1,6443 @@
+/* This is just a bunch of the LZMA SDK mushed together into one header.
+This code is all public domain, and mostly (if not entirely) written by
+Igor Pavlov. http://www.7-zip.org/sdk.html
+--ryan. */
+
+#ifndef _INCL_PHYSFS_LZMASDK_H_
+#define _INCL_PHYSFS_LZMASDK_H_
+
+/* 7zTypes.h -- Basic types
+2013-11-12 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_TYPES_H
+#define __7Z_TYPES_H
+
+#ifdef _WIN32
+/* #include <windows.h> */
+#endif
+
+#include <stddef.h>
+
+#ifndef EXTERN_C_BEGIN
+#ifdef __cplusplus
+#define EXTERN_C_BEGIN extern "C" {
+#define EXTERN_C_END }
+#else
+#define EXTERN_C_BEGIN
+#define EXTERN_C_END
+#endif
+#endif
+
+EXTERN_C_BEGIN
+
+#define SZ_OK 0
+
+#define SZ_ERROR_DATA 1
+#define SZ_ERROR_MEM 2
+#define SZ_ERROR_CRC 3
+#define SZ_ERROR_UNSUPPORTED 4
+#define SZ_ERROR_PARAM 5
+#define SZ_ERROR_INPUT_EOF 6
+#define SZ_ERROR_OUTPUT_EOF 7
+#define SZ_ERROR_READ 8
+#define SZ_ERROR_WRITE 9
+#define SZ_ERROR_PROGRESS 10
+#define SZ_ERROR_FAIL 11
+#define SZ_ERROR_THREAD 12
+
+#define SZ_ERROR_ARCHIVE 16
+#define SZ_ERROR_NO_ARCHIVE 17
+
+typedef int SRes;
+
+#ifdef _WIN32
+/* typedef DWORD WRes; */
+typedef unsigned WRes;
+#else
+typedef int WRes;
+#endif
+
+#ifndef RINOK
+#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
+#endif
+
+typedef unsigned char Byte;
+typedef short Int16;
+typedef unsigned short UInt16;
+
+#ifdef _LZMA_UINT32_IS_ULONG
+typedef long Int32;
+typedef unsigned long UInt32;
+#else
+typedef int Int32;
+typedef unsigned int UInt32;
+#endif
+
+#ifdef _SZ_NO_INT_64
+
+/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers.
+   NOTES: Some code will work incorrectly in that case! */
+
+typedef long Int64;
+typedef unsigned long UInt64;
+
+#else
+
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+typedef __int64 Int64;
+typedef unsigned __int64 UInt64;
+#define UINT64_CONST(n) n
+#else
+typedef long long int Int64;
+typedef unsigned long long int UInt64;
+#define UINT64_CONST(n) n ## ULL
+#endif
+
+#endif
+
+#ifdef _LZMA_NO_SYSTEM_SIZE_T
+typedef UInt32 SizeT;
+#else
+typedef size_t SizeT;
+#endif
+
+typedef int Bool;
+#define True 1
+#define False 0
+
+
+#ifdef _WIN32
+#define MY_STD_CALL __stdcall
+#else
+#define MY_STD_CALL
+#endif
+
+#ifdef _MSC_VER
+
+#if _MSC_VER >= 1300
+#define MY_NO_INLINE __declspec(noinline)
+#else
+#define MY_NO_INLINE
+#endif
+
+#define MY_CDECL __cdecl
+#define MY_FAST_CALL __fastcall
+
+#else
+
+#define MY_NO_INLINE
+#define MY_CDECL
+#define MY_FAST_CALL
+
+#endif
+
+
+/* The following interfaces use first parameter as pointer to structure */
+
+typedef struct
+{
+  Byte (*Read)(void *p); /* reads one byte, returns 0 in case of EOF or error */
+} IByteIn;
+
+typedef struct
+{
+  void (*Write)(void *p, Byte b);
+} IByteOut;
+
+typedef struct
+{
+  SRes (*Read)(void *p, void *buf, size_t *size);
+    /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
+       (output(*size) < input(*size)) is allowed */
+} ISeqInStream;
+
+/* it can return SZ_ERROR_INPUT_EOF */
+static SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size);
+static SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType);
+static SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf);
+
+typedef struct
+{
+  size_t (*Write)(void *p, const void *buf, size_t size);
+    /* Returns: result - the number of actually written bytes.
+       (result < size) means error */
+} ISeqOutStream;
+
+typedef enum
+{
+  SZ_SEEK_SET = 0,
+  SZ_SEEK_CUR = 1,
+  SZ_SEEK_END = 2
+} ESzSeek;
+
+typedef struct
+{
+  SRes (*Read)(void *p, void *buf, size_t *size);  /* same as ISeqInStream::Read */
+  SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
+} ISeekInStream;
+
+typedef struct
+{
+  SRes (*Look)(void *p, const void **buf, size_t *size);
+    /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
+       (output(*size) > input(*size)) is not allowed
+       (output(*size) < input(*size)) is allowed */
+  SRes (*Skip)(void *p, size_t offset);
+    /* offset must be <= output(*size) of Look */
+
+  SRes (*Read)(void *p, void *buf, size_t *size);
+    /* reads directly (without buffer). It's same as ISeqInStream::Read */
+  SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
+} ILookInStream;
+
+static SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);
+static SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);
+
+/* reads via ILookInStream::Read */
+static SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType);
+static SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size);
+
+#define LookToRead_BUF_SIZE (1 << 14)
+
+typedef struct
+{
+  ILookInStream s;
+  ISeekInStream *realStream;
+  size_t pos;
+  size_t size;
+  Byte buf[LookToRead_BUF_SIZE];
+} CLookToRead;
+
+static void LookToRead_CreateVTable(CLookToRead *p, int lookahead);
+static void LookToRead_Init(CLookToRead *p);
+
+typedef struct
+{
+  ISeqInStream s;
+  ILookInStream *realStream;
+} CSecToLook;
+
+static void SecToLook_CreateVTable(CSecToLook *p);
+
+typedef struct
+{
+  ISeqInStream s;
+  ILookInStream *realStream;
+} CSecToRead;
+
+static void SecToRead_CreateVTable(CSecToRead *p);
+
+typedef struct
+{
+  SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize);
+    /* Returns: result. (result != SZ_OK) means break.
+       Value (UInt64)(Int64)-1 for size means unknown value. */
+} ICompressProgress;
+
+typedef struct
+{
+  void *(*Alloc)(void *p, size_t size);
+  void (*Free)(void *p, void *address); /* address can be 0 */
+} ISzAlloc;
+
+#define IAlloc_Alloc(p, size) (p)->Alloc((p), size)
+#define IAlloc_Free(p, a) (p)->Free((p), a)
+
+#ifdef _WIN32
+
+#define CHAR_PATH_SEPARATOR '\\'
+#define WCHAR_PATH_SEPARATOR L'\\'
+#define STRING_PATH_SEPARATOR "\\"
+#define WSTRING_PATH_SEPARATOR L"\\"
+
+#else
+
+#define CHAR_PATH_SEPARATOR '/'
+#define WCHAR_PATH_SEPARATOR L'/'
+#define STRING_PATH_SEPARATOR "/"
+#define WSTRING_PATH_SEPARATOR L"/"
+
+#endif
+
+EXTERN_C_END
+
+#endif
+
+/* 7z.h -- 7z interface
+2015-11-18 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_H
+#define __7Z_H
+
+/*#include "7zTypes.h"*/
+
+EXTERN_C_BEGIN
+
+#define k7zStartHeaderSize 0x20
+#define k7zSignatureSize 6
+
+static const Byte k7zSignature[k7zSignatureSize];
+
+typedef struct
+{
+  const Byte *Data;
+  size_t Size;
+} CSzData;
+
+/* CSzCoderInfo & CSzFolder support only default methods */
+
+typedef struct
+{
+  size_t PropsOffset;
+  UInt32 MethodID;
+  Byte NumStreams;
+  Byte PropsSize;
+} CSzCoderInfo;
+
+typedef struct
+{
+  UInt32 InIndex;
+  UInt32 OutIndex;
+} CSzBond;
+
+#define SZ_NUM_CODERS_IN_FOLDER_MAX 4
+#define SZ_NUM_BONDS_IN_FOLDER_MAX 3
+#define SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX 4
+
+typedef struct
+{
+  UInt32 NumCoders;
+  UInt32 NumBonds;
+  UInt32 NumPackStreams;
+  UInt32 UnpackStream;
+  UInt32 PackStreams[SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX];
+  CSzBond Bonds[SZ_NUM_BONDS_IN_FOLDER_MAX];
+  CSzCoderInfo Coders[SZ_NUM_CODERS_IN_FOLDER_MAX];
+} CSzFolder;
+
+
+static SRes SzGetNextFolderItem(CSzFolder *f, CSzData *sd);
+
+typedef struct
+{
+  UInt32 Low;
+  UInt32 High;
+} CNtfsFileTime;
+
+typedef struct
+{
+  Byte *Defs; /* MSB 0 bit numbering */
+  UInt32 *Vals;
+} CSzBitUi32s;
+
+typedef struct
+{
+  Byte *Defs; /* MSB 0 bit numbering */
+  // UInt64 *Vals;
+  CNtfsFileTime *Vals;
+} CSzBitUi64s;
+
+#define SzBitArray_Check(p, i) (((p)[(i) >> 3] & (0x80 >> ((i) & 7))) != 0)
+
+#define SzBitWithVals_Check(p, i) ((p)->Defs && ((p)->Defs[(i) >> 3] & (0x80 >> ((i) & 7))) != 0)
+
+typedef struct
+{
+  UInt32 NumPackStreams;
+  UInt32 NumFolders;
+
+  UInt64 *PackPositions;          // NumPackStreams + 1
+  CSzBitUi32s FolderCRCs;         // NumFolders
+
+  size_t *FoCodersOffsets;        // NumFolders + 1
+  UInt32 *FoStartPackStreamIndex; // NumFolders + 1
+  UInt32 *FoToCoderUnpackSizes;   // NumFolders + 1
+  Byte *FoToMainUnpackSizeIndex;  // NumFolders
+  UInt64 *CoderUnpackSizes;       // for all coders in all folders
+
+  Byte *CodersData;
+} CSzAr;
+
+static UInt64 SzAr_GetFolderUnpackSize(const CSzAr *p, UInt32 folderIndex);
+
+static SRes SzAr_DecodeFolder(const CSzAr *p, UInt32 folderIndex,
+    ILookInStream *stream, UInt64 startPos,
+    Byte *outBuffer, size_t outSize,
+    ISzAlloc *allocMain);
+
+typedef struct
+{
+  CSzAr db;
+
+  UInt64 startPosAfterHeader;
+  UInt64 dataPos;
+  
+  UInt32 NumFiles;
+
+  UInt64 *UnpackPositions;  // NumFiles + 1
+  // Byte *IsEmptyFiles;
+  Byte *IsDirs;
+  CSzBitUi32s CRCs;
+
+  CSzBitUi32s Attribs;
+  // CSzBitUi32s Parents;
+  CSzBitUi64s MTime;
+  CSzBitUi64s CTime;
+
+  UInt32 *FolderToFile;   // NumFolders + 1
+  UInt32 *FileToFolder;   // NumFiles
+
+  size_t *FileNameOffsets; /* in 2-byte steps */
+  Byte *FileNames;  /* UTF-16-LE */
+} CSzArEx;
+
+#define SzArEx_IsDir(p, i) (SzBitArray_Check((p)->IsDirs, i))
+
+#define SzArEx_GetFileSize(p, i) ((p)->UnpackPositions[(i) + 1] - (p)->UnpackPositions[i])
+
+static void SzArEx_Init(CSzArEx *p);
+static void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc);
+static UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder);
+static int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize);
+
+/*
+if dest == NULL, the return value specifies the required size of the buffer,
+  in 16-bit characters, including the null-terminating character.
+if dest != NULL, the return value specifies the number of 16-bit characters that
+  are written to the dest, including the null-terminating character. */
+
+static size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, UInt16 *dest);
+
+/*
+size_t SzArEx_GetFullNameLen(const CSzArEx *p, size_t fileIndex);
+UInt16 *SzArEx_GetFullNameUtf16_Back(const CSzArEx *p, size_t fileIndex, UInt16 *dest);
+*/
+
+
+
+/*
+  SzArEx_Extract extracts file from archive
+
+  *outBuffer must be 0 before first call for each new archive.
+
+  Extracting cache:
+    If you need to decompress more than one file, you can send
+    these values from previous call:
+      *blockIndex,
+      *outBuffer,
+      *outBufferSize
+    You can consider "*outBuffer" as cache of solid block. If your archive is solid,
+    it will increase decompression speed.
+  
+    If you use external function, you can declare these 3 cache variables
+    (blockIndex, outBuffer, outBufferSize) as static in that external function.
+    
+    Free *outBuffer and set *outBuffer to 0, if you want to flush cache.
+*/
+
+static SRes SzArEx_Extract(
+    const CSzArEx *db,
+    ILookInStream *inStream,
+    UInt32 fileIndex,         /* index of file */
+    UInt32 *blockIndex,       /* index of solid block */
+    Byte **outBuffer,         /* pointer to pointer to output buffer (allocated with allocMain) */
+    size_t *outBufferSize,    /* buffer size for output buffer */
+    size_t *offset,           /* offset of stream for required file in *outBuffer */
+    size_t *outSizeProcessed, /* size of file in *outBuffer */
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp);
+
+
+/*
+SzArEx_Open Errors:
+SZ_ERROR_NO_ARCHIVE
+SZ_ERROR_ARCHIVE
+SZ_ERROR_UNSUPPORTED
+SZ_ERROR_MEM
+SZ_ERROR_CRC
+SZ_ERROR_INPUT_EOF
+SZ_ERROR_FAIL
+*/
+
+static SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream,
+    ISzAlloc *allocMain, ISzAlloc *allocTemp);
+
+EXTERN_C_END
+
+#endif
+
+/* 7zCrc.h -- CRC32 calculation
+2013-01-18 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_CRC_H
+#define __7Z_CRC_H
+
+/*#include "7zTypes.h" */
+
+EXTERN_C_BEGIN
+
+static UInt32 g_CrcTable[];
+
+/* Call CrcGenerateTable one time before other CRC functions */
+static void MY_FAST_CALL CrcGenerateTable(void);
+
+#define CRC_INIT_VAL 0xFFFFFFFF
+#define CRC_GET_DIGEST(crc) ((crc) ^ CRC_INIT_VAL)
+#define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
+
+static UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size);
+static UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size);
+
+EXTERN_C_END
+
+#endif
+
+/* CpuArch.h -- CPU specific code
+2016-06-09: Igor Pavlov : Public domain */
+
+#ifndef __CPU_ARCH_H
+#define __CPU_ARCH_H
+
+/*#include "7zTypes.h"*/
+
+EXTERN_C_BEGIN
+
+/*
+MY_CPU_LE means that CPU is LITTLE ENDIAN.
+MY_CPU_BE means that CPU is BIG ENDIAN.
+If MY_CPU_LE and MY_CPU_BE are not defined, we don't know about ENDIANNESS of platform.
+
+MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses.
+*/
+
+#if defined(_M_X64) \
+   || defined(_M_AMD64) \
+   || defined(__x86_64__) \
+   || defined(__AMD64__) \
+   || defined(__amd64__)
+  #define MY_CPU_AMD64
+#endif
+
+#if defined(MY_CPU_AMD64) \
+    || defined(_M_IA64) \
+    || defined(__AARCH64EL__) \
+    || defined(__AARCH64EB__)
+  #define MY_CPU_64BIT
+#endif
+
+#if defined(_M_IX86) || defined(__i386__)
+#define MY_CPU_X86
+#endif
+
+#if defined(MY_CPU_X86) || defined(MY_CPU_AMD64)
+#define MY_CPU_X86_OR_AMD64
+#endif
+
+#if defined(MY_CPU_X86) \
+    || defined(_M_ARM) \
+    || defined(__ARMEL__) \
+    || defined(__THUMBEL__) \
+    || defined(__ARMEB__) \
+    || defined(__THUMBEB__)
+  #define MY_CPU_32BIT
+#endif
+
+#if defined(_WIN32) && defined(_M_ARM)
+#define MY_CPU_ARM_LE
+#endif
+
+#if defined(_WIN32) && defined(_M_IA64)
+#define MY_CPU_IA64_LE
+#endif
+
+#if defined(MY_CPU_X86_OR_AMD64) \
+    || defined(MY_CPU_ARM_LE) \
+    || defined(MY_CPU_IA64_LE) \
+    || defined(__LITTLE_ENDIAN__) \
+    || defined(__ARMEL__) \
+    || defined(__THUMBEL__) \
+    || defined(__AARCH64EL__) \
+    || defined(__MIPSEL__) \
+    || defined(__MIPSEL) \
+    || defined(_MIPSEL) \
+    || defined(__BFIN__) \
+    || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
+  #define MY_CPU_LE
+#endif
+
+#if defined(__BIG_ENDIAN__) \
+    || defined(__ARMEB__) \
+    || defined(__THUMBEB__) \
+    || defined(__AARCH64EB__) \
+    || defined(__MIPSEB__) \
+    || defined(__MIPSEB) \
+    || defined(_MIPSEB) \
+    || defined(__m68k__) \
+    || defined(__s390__) \
+    || defined(__s390x__) \
+    || defined(__zarch__) \
+    || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
+  #define MY_CPU_BE
+#endif
+
+#if defined(MY_CPU_LE) && defined(MY_CPU_BE)
+Stop_Compiling_Bad_Endian
+#endif
+
+
+#ifdef MY_CPU_LE
+  #if defined(MY_CPU_X86_OR_AMD64) \
+      /* || defined(__AARCH64EL__) */
+    #define MY_CPU_LE_UNALIGN
+  #endif
+#endif
+
+
+#ifdef MY_CPU_LE_UNALIGN
+
+#define GetUi16(p) (*(const UInt16 *)(const void *)(p))
+#define GetUi32(p) (*(const UInt32 *)(const void *)(p))
+#define GetUi64(p) (*(const UInt64 *)(const void *)(p))
+
+#define SetUi16(p, v) { *(UInt16 *)(p) = (v); }
+#define SetUi32(p, v) { *(UInt32 *)(p) = (v); }
+#define SetUi64(p, v) { *(UInt64 *)(p) = (v); }
+
+#else
+
+#define GetUi16(p) ( (UInt16) ( \
+             ((const Byte *)(p))[0] | \
+    ((UInt16)((const Byte *)(p))[1] << 8) ))
+
+#define GetUi32(p) ( \
+             ((const Byte *)(p))[0]        | \
+    ((UInt32)((const Byte *)(p))[1] <<  8) | \
+    ((UInt32)((const Byte *)(p))[2] << 16) | \
+    ((UInt32)((const Byte *)(p))[3] << 24))
+
+#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32))
+
+#define SetUi16(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \
+    _ppp_[0] = (Byte)_vvv_; \
+    _ppp_[1] = (Byte)(_vvv_ >> 8); }
+
+#define SetUi32(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \
+    _ppp_[0] = (Byte)_vvv_; \
+    _ppp_[1] = (Byte)(_vvv_ >> 8); \
+    _ppp_[2] = (Byte)(_vvv_ >> 16); \
+    _ppp_[3] = (Byte)(_vvv_ >> 24); }
+
+#define SetUi64(p, v) { Byte *_ppp2_ = (Byte *)(p); UInt64 _vvv2_ = (v); \
+    SetUi32(_ppp2_    , (UInt32)_vvv2_); \
+    SetUi32(_ppp2_ + 4, (UInt32)(_vvv2_ >> 32)); }
+
+#endif
+
+
+#if defined(MY_CPU_LE_UNALIGN) && /* defined(_WIN64) && */ (_MSC_VER >= 1300)
+
+/* Note: we use bswap instruction, that is unsupported in 386 cpu */
+
+#include <stdlib.h>
+
+#pragma intrinsic(_byteswap_ulong)
+#pragma intrinsic(_byteswap_uint64)
+#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p))
+#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p))
+
+#define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = _byteswap_ulong(v)
+
+#elif defined(MY_CPU_LE_UNALIGN) && defined (__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+
+#define GetBe32(p) __builtin_bswap32(*(const UInt32 *)(const Byte *)(p))
+#define GetBe64(p) __builtin_bswap64(*(const UInt64 *)(const Byte *)(p))
+
+#define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = __builtin_bswap32(v)
+
+#else
+
+#define GetBe32(p) ( \
+    ((UInt32)((const Byte *)(p))[0] << 24) | \
+    ((UInt32)((const Byte *)(p))[1] << 16) | \
+    ((UInt32)((const Byte *)(p))[2] <<  8) | \
+             ((const Byte *)(p))[3] )
+
+#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4))
+
+#define SetBe32(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \
+    _ppp_[0] = (Byte)(_vvv_ >> 24); \
+    _ppp_[1] = (Byte)(_vvv_ >> 16); \
+    _ppp_[2] = (Byte)(_vvv_ >> 8); \
+    _ppp_[3] = (Byte)_vvv_; }
+
+#endif
+
+
+#define GetBe16(p) ( (UInt16) ( \
+    ((UInt16)((const Byte *)(p))[0] << 8) | \
+             ((const Byte *)(p))[1] ))
+
+
+
+#ifdef MY_CPU_X86_OR_AMD64
+
+typedef struct
+{
+  UInt32 maxFunc;
+  UInt32 vendor[3];
+  UInt32 ver;
+  UInt32 b;
+  UInt32 c;
+  UInt32 d;
+} Cx86cpuid;
+
+enum
+{
+  CPU_FIRM_INTEL,
+  CPU_FIRM_AMD,
+  CPU_FIRM_VIA
+};
+
+static void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d);
+
+static Bool x86cpuid_CheckAndRead(Cx86cpuid *p);
+static int x86cpuid_GetFirm(const Cx86cpuid *p);
+
+#define x86cpuid_GetFamily(ver) (((ver >> 16) & 0xFF0) | ((ver >> 8) & 0xF))
+#define x86cpuid_GetModel(ver)  (((ver >> 12) &  0xF0) | ((ver >> 4) & 0xF))
+#define x86cpuid_GetStepping(ver) (ver & 0xF)
+
+static Bool CPU_Is_InOrder();
+static Bool CPU_Is_Aes_Supported();
+
+#endif
+
+EXTERN_C_END
+
+#endif
+
+/* 7zBuf.h -- Byte Buffer
+2013-01-18 : Igor Pavlov : Public domain */
+
+#ifndef __7Z_BUF_H
+#define __7Z_BUF_H
+
+/*#include "7zTypes.h" */
+
+EXTERN_C_BEGIN
+
+typedef struct
+{
+  Byte *data;
+  size_t size;
+} CBuf;
+
+static void Buf_Init(CBuf *p);
+static int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc);
+static void Buf_Free(CBuf *p, ISzAlloc *alloc);
+
+typedef struct
+{
+  Byte *data;
+  size_t size;
+  size_t pos;
+} CDynBuf;
+
+static void DynBuf_Construct(CDynBuf *p);
+static void DynBuf_SeekToBeg(CDynBuf *p);
+static int DynBuf_Write(CDynBuf *p, const Byte *buf, size_t size, ISzAlloc *alloc);
+static void DynBuf_Free(CDynBuf *p, ISzAlloc *alloc);
+
+EXTERN_C_END
+
+#endif
+
+
+/* Bcj2.h -- BCJ2 Converter for x86 code
+2014-11-10 : Igor Pavlov : Public domain */
+
+#ifndef __BCJ2_H
+#define __BCJ2_H
+
+/*#include "7zTypes.h" */
+
+EXTERN_C_BEGIN
+
+#define BCJ2_NUM_STREAMS 4
+
+enum
+{
+  BCJ2_STREAM_MAIN,
+  BCJ2_STREAM_CALL,
+  BCJ2_STREAM_JUMP,
+  BCJ2_STREAM_RC
+};
+
+enum
+{
+  BCJ2_DEC_STATE_ORIG_0 = BCJ2_NUM_STREAMS,
+  BCJ2_DEC_STATE_ORIG_1,
+  BCJ2_DEC_STATE_ORIG_2,
+  BCJ2_DEC_STATE_ORIG_3,
+  
+  BCJ2_DEC_STATE_ORIG,
+  BCJ2_DEC_STATE_OK
+};
+
+enum
+{
+  BCJ2_ENC_STATE_ORIG = BCJ2_NUM_STREAMS,
+  BCJ2_ENC_STATE_OK
+};
+
+
+#define BCJ2_IS_32BIT_STREAM(s) ((s) == BCJ2_STREAM_CALL || (s) == BCJ2_STREAM_JUMP)
+
+/*
+CBcj2Dec / CBcj2Enc
+bufs sizes:
+  BUF_SIZE(n) = lims[n] - bufs[n]
+bufs sizes for BCJ2_STREAM_CALL and BCJ2_STREAM_JUMP must be mutliply of 4:
+    (BUF_SIZE(BCJ2_STREAM_CALL) & 3) == 0
+    (BUF_SIZE(BCJ2_STREAM_JUMP) & 3) == 0
+*/
+
+/*
+CBcj2Dec:
+dest is allowed to overlap with bufs[BCJ2_STREAM_MAIN], with the following conditions:
+  bufs[BCJ2_STREAM_MAIN] >= dest &&
+  bufs[BCJ2_STREAM_MAIN] - dest >= tempReserv +
+        BUF_SIZE(BCJ2_STREAM_CALL) +
+        BUF_SIZE(BCJ2_STREAM_JUMP)
+     tempReserv = 0 : for first call of Bcj2Dec_Decode
+     tempReserv = 4 : for any other calls of Bcj2Dec_Decode
+  overlap with offset = 1 is not allowed
+*/
+
+typedef struct
+{
+  const Byte *bufs[BCJ2_NUM_STREAMS];
+  const Byte *lims[BCJ2_NUM_STREAMS];
+  Byte *dest;
+  const Byte *destLim;
+
+  unsigned state; /* BCJ2_STREAM_MAIN has more priority than BCJ2_STATE_ORIG */
+
+  UInt32 ip;
+  Byte temp[4];
+  UInt32 range;
+  UInt32 code;
+  UInt16 probs[2 + 256];
+} CBcj2Dec;
+
+static void Bcj2Dec_Init(CBcj2Dec *p);
+
+/* Returns: SZ_OK or SZ_ERROR_DATA */
+static SRes Bcj2Dec_Decode(CBcj2Dec *p);
+
+#define Bcj2Dec_IsFinished(_p_) ((_p_)->code == 0)
+
+
+
+typedef enum
+{
+  BCJ2_ENC_FINISH_MODE_CONTINUE,
+  BCJ2_ENC_FINISH_MODE_END_BLOCK,
+  BCJ2_ENC_FINISH_MODE_END_STREAM
+} EBcj2Enc_FinishMode;
+
+typedef struct
+{
+  Byte *bufs[BCJ2_NUM_STREAMS];
+  const Byte *lims[BCJ2_NUM_STREAMS];
+  const Byte *src;
+  const Byte *srcLim;
+
+  unsigned state;
+  EBcj2Enc_FinishMode finishMode;
+
+  Byte prevByte;
+
+  Byte cache;
+  UInt32 range;
+  UInt64 low;
+  UInt64 cacheSize;
+
+  UInt32 ip;
+
+  /* 32-bit ralative offset in JUMP/CALL commands is
+       - (mod 4 GB)   in 32-bit mode
+       - signed Int32 in 64-bit mode
+     We use (mod 4 GB) check for fileSize.
+     Use fileSize up to 2 GB, if you want to support 32-bit and 64-bit code conversion. */
+  UInt32 fileIp;
+  UInt32 fileSize;    /* (fileSize <= ((UInt32)1 << 31)), 0 means no_limit */
+  UInt32 relatLimit;  /* (relatLimit <= ((UInt32)1 << 31)), 0 means desable_conversion */
+
+  UInt32 tempTarget;
+  unsigned tempPos;
+  Byte temp[4 * 2];
+
+  unsigned flushPos;
+  
+  UInt16 probs[2 + 256];
+} CBcj2Enc;
+
+static void Bcj2Enc_Init(CBcj2Enc *p);
+static void Bcj2Enc_Encode(CBcj2Enc *p);
+
+#define Bcj2Enc_Get_InputData_Size(p) ((SizeT)((p)->srcLim - (p)->src) + (p)->tempPos)
+#define Bcj2Enc_IsFinished(p) ((p)->flushPos == 5)
+
+
+#define BCJ2_RELAT_LIMIT_NUM_BITS 26
+#define BCJ2_RELAT_LIMIT ((UInt32)1 << BCJ2_RELAT_LIMIT_NUM_BITS)
+
+/* limit for CBcj2Enc::fileSize variable */
+#define BCJ2_FileSize_MAX ((UInt32)1 << 31)
+
+EXTERN_C_END
+
+#endif
+
+/* Bra.h -- Branch converters for executables
+2013-01-18 : Igor Pavlov : Public domain */
+
+#ifndef __BRA_H
+#define __BRA_H
+
+/*#include "7zTypes.h"*/
+
+EXTERN_C_BEGIN
+
+/*
+These functions convert relative addresses to absolute addresses
+in CALL instructions to increase the compression ratio.
+  
+  In:
+    data     - data buffer
+    size     - size of data
+    ip       - current virtual Instruction Pinter (IP) value
+    state    - state variable for x86 converter
+    encoding - 0 (for decoding), 1 (for encoding)
+  
+  Out:
+    state    - state variable for x86 converter
+
+  Returns:
+    The number of processed bytes. If you call these functions with multiple calls,
+    you must start next call with first byte after block of processed bytes.
+  
+  Type   Endian  Alignment  LookAhead
+  
+  x86    little      1          4
+  ARMT   little      2          2
+  ARM    little      4          0
+  PPC     big        4          0
+  SPARC   big        4          0
+  IA64   little     16          0
+
+  size must be >= Alignment + LookAhead, if it's not last block.
+  If (size < Alignment + LookAhead), converter returns 0.
+
+  Example:
+
+    UInt32 ip = 0;
+    for ()
+    {
+      ; size must be >= Alignment + LookAhead, if it's not last block
+      SizeT processed = Convert(data, size, ip, 1);
+      data += processed;
+      size -= processed;
+      ip += processed;
+    }
+*/
+
+#define x86_Convert_Init(state) { state = 0; }
+static SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding);
+static SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+static SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+static SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+static SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+static SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding);
+
+EXTERN_C_END
+
+#endif
+
+/* Delta.h -- Delta converter
+2013-01-18 : Igor Pavlov : Public domain */
+
+#ifndef __DELTA_H
+#define __DELTA_H
+
+/*#include "7zTypes.h" */
+
+EXTERN_C_BEGIN
+
+#define DELTA_STATE_SIZE 256
+
+static void Delta_Init(Byte *state);
+static void Delta_Encode(Byte *state, unsigned delta, Byte *data, SizeT size);
+static void Delta_Decode(Byte *state, unsigned delta, Byte *data, SizeT size);
+
+EXTERN_C_END
+
+#endif
+
+/* LzmaDec.h -- LZMA Decoder
+2013-01-18 : Igor Pavlov : Public domain */
+
+#ifndef __LZMA_DEC_H
+#define __LZMA_DEC_H
+
+/*#include "7zTypes.h"*/
+
+EXTERN_C_BEGIN
+
+/* #define _LZMA_PROB32 */
+/* _LZMA_PROB32 can increase the speed on some CPUs,
+   but memory usage for CLzmaDec::probs will be doubled in that case */
+
+#ifdef _LZMA_PROB32
+#define CLzmaProb UInt32
+#else
+#define CLzmaProb UInt16
+#endif
+
+
+/* ---------- LZMA Properties ---------- */
+
+#define LZMA_PROPS_SIZE 5
+
+typedef struct _CLzmaProps
+{
+  unsigned lc, lp, pb;
+  UInt32 dicSize;
+} CLzmaProps;
+
+/* LzmaProps_Decode - decodes properties
+Returns:
+  SZ_OK
+  SZ_ERROR_UNSUPPORTED - Unsupported properties
+*/
+
+static SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size);
+
+
+/* ---------- LZMA Decoder state ---------- */
+
+/* LZMA_REQUIRED_INPUT_MAX = number of required input bytes for worst case.
+   Num bits = log2((2^11 / 31) ^ 22) + 26 < 134 + 26 = 160; */
+
+#define LZMA_REQUIRED_INPUT_MAX 20
+
+typedef struct
+{
+  CLzmaProps prop;
+  CLzmaProb *probs;
+  Byte *dic;
+  const Byte *buf;
+  UInt32 range, code;
+  SizeT dicPos;
+  SizeT dicBufSize;
+  UInt32 processedPos;
+  UInt32 checkDicSize;
+  unsigned state;
+  UInt32 reps[4];
+  unsigned remainLen;
+  int needFlush;
+  int needInitState;
+  UInt32 numProbs;
+  unsigned tempBufSize;
+  Byte tempBuf[LZMA_REQUIRED_INPUT_MAX];
+} CLzmaDec;
+
+#define LzmaDec_Construct(p) { (p)->dic = 0; (p)->probs = 0; }
+
+static void LzmaDec_Init(CLzmaDec *p);
+
+/* There are two types of LZMA streams:
+     0) Stream with end mark. That end mark adds about 6 bytes to compressed size.
+     1) Stream without end mark. You must know exact uncompressed size to decompress such stream. */
+
+typedef enum
+{
+  LZMA_FINISH_ANY,   /* finish at any point */
+  LZMA_FINISH_END    /* block must be finished at the end */
+} ELzmaFinishMode;
+
+/* ELzmaFinishMode has meaning only if the decoding reaches output limit !!!
+
+   You must use LZMA_FINISH_END, when you know that current output buffer
+   covers last bytes of block. In other cases you must use LZMA_FINISH_ANY.
+
+   If LZMA decoder sees end marker before reaching output limit, it returns SZ_OK,
+   and output value of destLen will be less than output buffer size limit.
+   You can check status result also.
+
+   You can use multiple checks to test data integrity after full decompression:
+     1) Check Result and "status" variable.
+     2) Check that output(destLen) = uncompressedSize, if you know real uncompressedSize.
+     3) Check that output(srcLen) = compressedSize, if you know real compressedSize.
+        You must use correct finish mode in that case. */
+
+typedef enum
+{
+  LZMA_STATUS_NOT_SPECIFIED,               /* use main error code instead */
+  LZMA_STATUS_FINISHED_WITH_MARK,          /* stream was finished with end mark. */
+  LZMA_STATUS_NOT_FINISHED,                /* stream was not finished */
+  LZMA_STATUS_NEEDS_MORE_INPUT,            /* you must provide more input bytes */
+  LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK  /* there is probability that stream was finished without end mark */
+} ELzmaStatus;
+
+/* ELzmaStatus is used only as output value for function call */
+
+
+/* ---------- Interfaces ---------- */
+
+/* There are 3 levels of interfaces:
+     1) Dictionary Interface
+     2) Buffer Interface
+     3) One Call Interface
+   You can select any of these interfaces, but don't mix functions from different
+   groups for same object. */
+
+
+/* There are two variants to allocate state for Dictionary Interface:
+     1) LzmaDec_Allocate / LzmaDec_Free
+     2) LzmaDec_AllocateProbs / LzmaDec_FreeProbs
+   You can use variant 2, if you set dictionary buffer manually.
+   For Buffer Interface you must always use variant 1.
+
+LzmaDec_Allocate* can return:
+  SZ_OK
+  SZ_ERROR_MEM         - Memory allocation error
+  SZ_ERROR_UNSUPPORTED - Unsupported properties
+*/
+   
+static SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc);
+static void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc);
+
+static SRes LzmaDec_Allocate(CLzmaDec *state, const Byte *prop, unsigned propsSize, ISzAlloc *alloc);
+static void LzmaDec_Free(CLzmaDec *state, ISzAlloc *alloc);
+
+/* ---------- Dictionary Interface ---------- */
+
+/* You can use it, if you want to eliminate the overhead for data copying from
+   dictionary to some other external buffer.
+   You must work with CLzmaDec variables directly in this interface.
+
+   STEPS:
+     LzmaDec_Constr()
+     LzmaDec_Allocate()
+     for (each new stream)
+     {
+       LzmaDec_Init()
+       while (it needs more decompression)
+       {
+         LzmaDec_DecodeToDic()
+         use data from CLzmaDec::dic and update CLzmaDec::dicPos
+       }
+     }
+     LzmaDec_Free()
+*/
+
+/* LzmaDec_DecodeToDic
+   
+   The decoding to internal dictionary buffer (CLzmaDec::dic).
+   You must manually update CLzmaDec::dicPos, if it reaches CLzmaDec::dicBufSize !!!
+
+finishMode:
+  It has meaning only if the decoding reaches output limit (dicLimit).
+  LZMA_FINISH_ANY - Decode just dicLimit bytes.
+  LZMA_FINISH_END - Stream must be finished after dicLimit.
+
+Returns:
+  SZ_OK
+    status:
+      LZMA_STATUS_FINISHED_WITH_MARK
+      LZMA_STATUS_NOT_FINISHED
+      LZMA_STATUS_NEEDS_MORE_INPUT
+      LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK
+  SZ_ERROR_DATA - Data error
+*/
+
+static SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit,
+    const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
+
+
+/* ---------- Buffer Interface ---------- */
+
+/* It's zlib-like interface.
+   See LzmaDec_DecodeToDic description for information about STEPS and return results,
+   but you must use LzmaDec_DecodeToBuf instead of LzmaDec_DecodeToDic and you don't need
+   to work with CLzmaDec variables manually.
+
+finishMode:
+  It has meaning only if the decoding reaches output limit (*destLen).
+  LZMA_FINISH_ANY - Decode just destLen bytes.
+  LZMA_FINISH_END - Stream must be finished after (*destLen).
+*/
+
+static SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen,
+    const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
+
+
+/* ---------- One Call Interface ---------- */
+
+/* LzmaDecode
+
+finishMode:
+  It has meaning only if the decoding reaches output limit (*destLen).
+  LZMA_FINISH_ANY - Decode just destLen bytes.
+  LZMA_FINISH_END - Stream must be finished after (*destLen).
+
+Returns:
+  SZ_OK
+    status:
+      LZMA_STATUS_FINISHED_WITH_MARK
+      LZMA_STATUS_NOT_FINISHED
+      LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK
+  SZ_ERROR_DATA - Data error
+  SZ_ERROR_MEM  - Memory allocation error
+  SZ_ERROR_UNSUPPORTED - Unsupported properties
+  SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
+*/
+
+static SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
+    const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode,
+    ELzmaStatus *status, ISzAlloc *alloc);
+
+EXTERN_C_END
+
+#endif
+
+/* Lzma2Dec.h -- LZMA2 Decoder
+2015-05-13 : Igor Pavlov : Public domain */
+
+#ifndef __LZMA2_DEC_H
+#define __LZMA2_DEC_H
+
+/*#include "LzmaDec.h"*/
+
+EXTERN_C_BEGIN
+
+/* ---------- State Interface ---------- */
+
+typedef struct
+{
+  CLzmaDec decoder;
+  UInt32 packSize;
+  UInt32 unpackSize;
+  unsigned state;
+  Byte control;
+  Bool needInitDic;
+  Bool needInitState;
+  Bool needInitProp;
+} CLzma2Dec;
+
+#define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder)
+#define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc);
+#define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc);
+
+static SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc);
+static SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc);
+static void Lzma2Dec_Init(CLzma2Dec *p);
+
+
+/*
+finishMode:
+  It has meaning only if the decoding reaches output limit (*destLen or dicLimit).
+  LZMA_FINISH_ANY - use smallest number of input bytes
+  LZMA_FINISH_END - read EndOfStream marker after decoding
+
+Returns:
+  SZ_OK
+    status:
+      LZMA_STATUS_FINISHED_WITH_MARK
+      LZMA_STATUS_NOT_FINISHED
+      LZMA_STATUS_NEEDS_MORE_INPUT
+  SZ_ERROR_DATA - Data error
+*/
+
+static SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
+    const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
+
+static SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen,
+    const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
+
+
+/* ---------- One Call Interface ---------- */
+
+/*
+finishMode:
+  It has meaning only if the decoding reaches output limit (*destLen).
+  LZMA_FINISH_ANY - use smallest number of input bytes
+  LZMA_FINISH_END - read EndOfStream marker after decoding
+
+Returns:
+  SZ_OK
+    status:
+      LZMA_STATUS_FINISHED_WITH_MARK
+      LZMA_STATUS_NOT_FINISHED
+  SZ_ERROR_DATA - Data error
+  SZ_ERROR_MEM  - Memory allocation error
+  SZ_ERROR_UNSUPPORTED - Unsupported properties
+  SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
+*/
+
+static SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
+    Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc);
+
+EXTERN_C_END
+
+#endif
+
+
+/* END HEADERS */
+
+
+/* 7zCrc.c -- CRC32 init
+2015-03-10 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "7zCrc.h"
+#include "CpuArch.h"
+*/
+#define UNUSED_VAR(x) (void)x;
+
+#define kCrcPoly 0xEDB88320
+
+#ifdef MY_CPU_LE
+  #define CRC_NUM_TABLES 8
+#else
+  #define CRC_NUM_TABLES 9
+
+  #define CRC_UINT32_SWAP(v) ((v >> 24) | ((v >> 8) & 0xFF00) | ((v << 8) & 0xFF0000) | (v << 24))
+
+  static UInt32 MY_FAST_CALL CrcUpdateT1_BeT4(UInt32 v, const void *data, size_t size, const UInt32 *table);
+  static UInt32 MY_FAST_CALL CrcUpdateT1_BeT8(UInt32 v, const void *data, size_t size, const UInt32 *table);
+#endif
+
+#ifndef MY_CPU_BE
+  static UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const UInt32 *table);
+  static UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const UInt32 *table);
+#endif
+
+typedef UInt32 (MY_FAST_CALL *CRC_FUNC)(UInt32 v, const void *data, size_t size, const UInt32 *table);
+
+static CRC_FUNC g_CrcUpdateT4;
+static CRC_FUNC g_CrcUpdateT8;
+static CRC_FUNC g_CrcUpdate;
+
+static UInt32 g_CrcTable[256 * CRC_NUM_TABLES];
+
+static UInt32 MY_FAST_CALL CrcUpdate(UInt32 v, const void *data, size_t size)
+{
+  return g_CrcUpdate(v, data, size, g_CrcTable);
+}
+
+static UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size)
+{
+  return g_CrcUpdate(CRC_INIT_VAL, data, size, g_CrcTable) ^ CRC_INIT_VAL;
+}
+
+#define CRC_UPDATE_BYTE_2(crc, b) (table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
+
+static UInt32 MY_FAST_CALL CrcUpdateT1(UInt32 v, const void *data, size_t size, const UInt32 *table)
+{
+  const Byte *p = (const Byte *)data;
+  const Byte *pEnd = p + size;
+  for (; p != pEnd; p++)
+    v = CRC_UPDATE_BYTE_2(v, *p);
+  return v;
+}
+
+static void MY_FAST_CALL CrcGenerateTable()
+{
+  UInt32 i;
+  for (i = 0; i < 256; i++)
+  {
+    UInt32 r = i;
+    unsigned j;
+    for (j = 0; j < 8; j++)
+      r = (r >> 1) ^ (kCrcPoly & ~((r & 1) - 1));
+    g_CrcTable[i] = r;
+  }
+  for (; i < 256 * CRC_NUM_TABLES; i++)
+  {
+    UInt32 r = g_CrcTable[i - 256];
+    g_CrcTable[i] = g_CrcTable[r & 0xFF] ^ (r >> 8);
+  }
+
+  #if CRC_NUM_TABLES < 4
+  
+  g_CrcUpdate = CrcUpdateT1;
+  
+  #else
+ 
+  #ifdef MY_CPU_LE
+
+    g_CrcUpdateT4 = CrcUpdateT4;
+    g_CrcUpdate = CrcUpdateT4;
+
+    #if CRC_NUM_TABLES >= 8
+      g_CrcUpdateT8 = CrcUpdateT8;
+  
+      #ifdef MY_CPU_X86_OR_AMD64
+      if (!CPU_Is_InOrder())
+        g_CrcUpdate = CrcUpdateT8;
+      #endif
+    #endif
+
+  #else
+  {
+    #ifndef MY_CPU_BE
+    UInt32 k = 0x01020304;
+    const Byte *p = (const Byte *)&k;
+    if (p[0] == 4 && p[1] == 3)
+    {
+      g_CrcUpdateT4 = CrcUpdateT4;
+      g_CrcUpdate = CrcUpdateT4;
+      #if CRC_NUM_TABLES >= 8
+      g_CrcUpdateT8 = CrcUpdateT8;
+      // g_CrcUpdate = CrcUpdateT8;
+      #endif
+    }
+    else if (p[0] != 1 || p[1] != 2)
+      g_CrcUpdate = CrcUpdateT1;
+    else
+    #endif
+    {
+      for (i = 256 * CRC_NUM_TABLES - 1; i >= 256; i--)
+      {
+        UInt32 x = g_CrcTable[i - 256];
+        g_CrcTable[i] = CRC_UINT32_SWAP(x);
+      }
+      g_CrcUpdateT4 = CrcUpdateT1_BeT4;
+      g_CrcUpdate = CrcUpdateT1_BeT4;
+      #if CRC_NUM_TABLES >= 8
+      g_CrcUpdateT8 = CrcUpdateT1_BeT8;
+      // g_CrcUpdate = CrcUpdateT1_BeT8;
+      #endif
+    }
+  }
+  #endif
+
+  #endif
+}
+
+/* 7zCrcOpt.c -- CRC32 calculation
+2015-03-01 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "CpuArch.h"
+*/
+
+#ifndef MY_CPU_BE
+
+#define CRC_UPDATE_BYTE_2(crc, b) (table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
+
+static UInt32 MY_FAST_CALL CrcUpdateT4(UInt32 v, const void *data, size_t size, const UInt32 *table)
+{
+  const Byte *p = (const Byte *)data;
+  for (; size > 0 && ((unsigned)(ptrdiff_t)p & 3) != 0; size--, p++)
+    v = CRC_UPDATE_BYTE_2(v, *p);
+  for (; size >= 4; size -= 4, p += 4)
+  {
+    v ^= *(const UInt32 *)p;
+    v =
+          table[0x300 + ((v      ) & 0xFF)]
+        ^ table[0x200 + ((v >>  8) & 0xFF)]
+        ^ table[0x100 + ((v >> 16) & 0xFF)]
+        ^ table[0x000 + ((v >> 24))];
+  }
+  for (; size > 0; size--, p++)
+    v = CRC_UPDATE_BYTE_2(v, *p);
+  return v;
+}
+
+static UInt32 MY_FAST_CALL CrcUpdateT8(UInt32 v, const void *data, size_t size, const UInt32 *table)
+{
+  const Byte *p = (const Byte *)data;
+  for (; size > 0 && ((unsigned)(ptrdiff_t)p & 7) != 0; size--, p++)
+    v = CRC_UPDATE_BYTE_2(v, *p);
+  for (; size >= 8; size -= 8, p += 8)
+  {
+    UInt32 d;
+    v ^= *(const UInt32 *)p;
+    v =
+          table[0x700 + ((v      ) & 0xFF)]
+        ^ table[0x600 + ((v >>  8) & 0xFF)]
+        ^ table[0x500 + ((v >> 16) & 0xFF)]
+        ^ table[0x400 + ((v >> 24))];
+    d = *((const UInt32 *)p + 1);
+    v ^=
+          table[0x300 + ((d      ) & 0xFF)]
+        ^ table[0x200 + ((d >>  8) & 0xFF)]
+        ^ table[0x100 + ((d >> 16) & 0xFF)]
+        ^ table[0x000 + ((d >> 24))];
+  }
+  for (; size > 0; size--, p++)
+    v = CRC_UPDATE_BYTE_2(v, *p);
+  return v;
+}
+
+#endif
+
+
+#ifndef MY_CPU_LE
+
+#define CRC_UINT32_SWAP(v) ((v >> 24) | ((v >> 8) & 0xFF00) | ((v << 8) & 0xFF0000) | (v << 24))
+
+#define CRC_UPDATE_BYTE_2_BE(crc, b) (table[(((crc) >> 24) ^ (b))] ^ ((crc) << 8))
+
+static UInt32 MY_FAST_CALL CrcUpdateT1_BeT4(UInt32 v, const void *data, size_t size, const UInt32 *table)
+{
+  const Byte *p = (const Byte *)data;
+  table += 0x100;
+  v = CRC_UINT32_SWAP(v);
+  for (; size > 0 && ((unsigned)(ptrdiff_t)p & 3) != 0; size--, p++)
+    v = CRC_UPDATE_BYTE_2_BE(v, *p);
+  for (; size >= 4; size -= 4, p += 4)
+  {
+    v ^= *(const UInt32 *)p;
+    v =
+          table[0x000 + ((v      ) & 0xFF)]
+        ^ table[0x100 + ((v >>  8) & 0xFF)]
+        ^ table[0x200 + ((v >> 16) & 0xFF)]
+        ^ table[0x300 + ((v >> 24))];
+  }
+  for (; size > 0; size--, p++)
+    v = CRC_UPDATE_BYTE_2_BE(v, *p);
+  return CRC_UINT32_SWAP(v);
+}
+
+static UInt32 MY_FAST_CALL CrcUpdateT1_BeT8(UInt32 v, const void *data, size_t size, const UInt32 *table)
+{
+  const Byte *p = (const Byte *)data;
+  table += 0x100;
+  v = CRC_UINT32_SWAP(v);
+  for (; size > 0 && ((unsigned)(ptrdiff_t)p & 7) != 0; size--, p++)
+    v = CRC_UPDATE_BYTE_2_BE(v, *p);
+  for (; size >= 8; size -= 8, p += 8)
+  {
+    UInt32 d;
+    v ^= *(const UInt32 *)p;
+    v =
+          table[0x400 + ((v      ) & 0xFF)]
+        ^ table[0x500 + ((v >>  8) & 0xFF)]
+        ^ table[0x600 + ((v >> 16) & 0xFF)]
+        ^ table[0x700 + ((v >> 24))];
+    d = *((const UInt32 *)p + 1);
+    v ^=
+          table[0x000 + ((d      ) & 0xFF)]
+        ^ table[0x100 + ((d >>  8) & 0xFF)]
+        ^ table[0x200 + ((d >> 16) & 0xFF)]
+        ^ table[0x300 + ((d >> 24))];
+  }
+  for (; size > 0; size--, p++)
+    v = CRC_UPDATE_BYTE_2_BE(v, *p);
+  return CRC_UINT32_SWAP(v);
+}
+
+#endif
+
+/* CpuArch.c -- CPU specific code
+2016-02-25: Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "CpuArch.h"
+*/
+
+#ifdef MY_CPU_X86_OR_AMD64
+
+#if (defined(_MSC_VER) && !defined(MY_CPU_AMD64)) || defined(__GNUC__)
+#define USE_ASM
+#endif
+
+#if !defined(USE_ASM) && _MSC_VER >= 1500
+#include <intrin.h>
+#endif
+
+#if defined(USE_ASM) && !defined(MY_CPU_AMD64)
+static UInt32 CheckFlag(UInt32 flag)
+{
+  #ifdef _MSC_VER
+  __asm pushfd;
+  __asm pop EAX;
+  __asm mov EDX, EAX;
+  __asm xor EAX, flag;
+  __asm push EAX;
+  __asm popfd;
+  __asm pushfd;
+  __asm pop EAX;
+  __asm xor EAX, EDX;
+  __asm push EDX;
+  __asm popfd;
+  __asm and flag, EAX;
+  #else
+  __asm__ __volatile__ (
+    "pushf\n\t"
+    "pop  %%EAX\n\t"
+    "movl %%EAX,%%EDX\n\t"
+    "xorl %0,%%EAX\n\t"
+    "push %%EAX\n\t"
+    "popf\n\t"
+    "pushf\n\t"
+    "pop  %%EAX\n\t"
+    "xorl %%EDX,%%EAX\n\t"
+    "push %%EDX\n\t"
+    "popf\n\t"
+    "andl %%EAX, %0\n\t":
+    "=c" (flag) : "c" (flag) :
+    "%eax", "%edx");
+  #endif
+  return flag;
+}
+#define CHECK_CPUID_IS_SUPPORTED if (CheckFlag(1 << 18) == 0 || CheckFlag(1 << 21) == 0) return False;
+#else
+#define CHECK_CPUID_IS_SUPPORTED
+#endif
+
+static void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d)
+{
+  #ifdef USE_ASM
+
+  #ifdef _MSC_VER
+
+  UInt32 a2, b2, c2, d2;
+  __asm xor EBX, EBX;
+  __asm xor ECX, ECX;
+  __asm xor EDX, EDX;
+  __asm mov EAX, function;
+  __asm cpuid;
+  __asm mov a2, EAX;
+  __asm mov b2, EBX;
+  __asm mov c2, ECX;
+  __asm mov d2, EDX;
+
+  *a = a2;
+  *b = b2;
+  *c = c2;
+  *d = d2;
+
+  #else
+
+  __asm__ __volatile__ (
+  #if defined(MY_CPU_AMD64) && defined(__PIC__)
+    "mov %%rbx, %%rdi;"
+    "cpuid;"
+    "xchg %%rbx, %%rdi;"
+    : "=a" (*a) ,
+      "=D" (*b) ,
+  #elif defined(MY_CPU_X86) && defined(__PIC__)
+    "mov %%ebx, %%edi;"
+    "cpuid;"
+    "xchgl %%ebx, %%edi;"
+    : "=a" (*a) ,
+      "=D" (*b) ,
+  #else
+    "cpuid"
+    : "=a" (*a) ,
+      "=b" (*b) ,
+  #endif
+      "=c" (*c) ,
+      "=d" (*d)
+    : "0" (function)) ;
+
+  #endif
+  
+  #else
+
+  int CPUInfo[4];
+  __cpuid(CPUInfo, function);
+  *a = CPUInfo[0];
+  *b = CPUInfo[1];
+  *c = CPUInfo[2];
+  *d = CPUInfo[3];
+
+  #endif
+}
+
+static Bool x86cpuid_CheckAndRead(Cx86cpuid *p)
+{
+  CHECK_CPUID_IS_SUPPORTED
+  MyCPUID(0, &p->maxFunc, &p->vendor[0], &p->vendor[2], &p->vendor[1]);
+  MyCPUID(1, &p->ver, &p->b, &p->c, &p->d);
+  return True;
+}
+
+static const UInt32 kVendors[][3] =
+{
+  { 0x756E6547, 0x49656E69, 0x6C65746E},
+  { 0x68747541, 0x69746E65, 0x444D4163},
+  { 0x746E6543, 0x48727561, 0x736C7561}
+};
+
+static int x86cpuid_GetFirm(const Cx86cpuid *p)
+{
+  unsigned i;
+  for (i = 0; i < sizeof(kVendors) / sizeof(kVendors[i]); i++)
+  {
+    const UInt32 *v = kVendors[i];
+    if (v[0] == p->vendor[0] &&
+        v[1] == p->vendor[1] &&
+        v[2] == p->vendor[2])
+      return (int)i;
+  }
+  return -1;
+}
+
+static Bool CPU_Is_InOrder()
+{
+  Cx86cpuid p;
+  int firm;
+  UInt32 family, model;
+  if (!x86cpuid_CheckAndRead(&p))
+    return True;
+
+  family = x86cpuid_GetFamily(p.ver);
+  model = x86cpuid_GetModel(p.ver);
+  
+  firm = x86cpuid_GetFirm(&p);
+
+  switch (firm)
+  {
+    case CPU_FIRM_INTEL: return (family < 6 || (family == 6 && (
+        /* In-Order Atom CPU */
+           model == 0x1C  /* 45 nm, N4xx, D4xx, N5xx, D5xx, 230, 330 */
+        || model == 0x26  /* 45 nm, Z6xx */
+        || model == 0x27  /* 32 nm, Z2460 */
+        || model == 0x35  /* 32 nm, Z2760 */
+        || model == 0x36  /* 32 nm, N2xxx, D2xxx */
+        )));
+    case CPU_FIRM_AMD: return (family < 5 || (family == 5 && (model < 6 || model == 0xA)));
+    case CPU_FIRM_VIA: return (family < 6 || (family == 6 && model < 0xF));
+  }
+  return True;
+}
+
+#if !defined(MY_CPU_AMD64) && defined(_WIN32)
+#include <windows.h>
+static Bool CPU_Sys_Is_SSE_Supported()
+{
+  OSVERSIONINFO vi;
+  vi.dwOSVersionInfoSize = sizeof(vi);
+  if (!GetVersionEx(&vi))
+    return False;
+  return (vi.dwMajorVersion >= 5);
+}
+#define CHECK_SYS_SSE_SUPPORT if (!CPU_Sys_Is_SSE_Supported()) return False;
+#else
+#define CHECK_SYS_SSE_SUPPORT
+#endif
+
+static Bool CPU_Is_Aes_Supported()
+{
+  Cx86cpuid p;
+  CHECK_SYS_SSE_SUPPORT
+  if (!x86cpuid_CheckAndRead(&p))
+    return False;
+  return (p.c >> 25) & 1;
+}
+
+#endif
+
+/* 7zStream.c -- 7z Stream functions
+2013-11-12 : Igor Pavlov : Public domain */
+
+/*#include "Precomp.h"*/
+
+#include <string.h>
+
+/*#include "7zTypes.h"*/
+
+static SRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType)
+{
+  while (size != 0)
+  {
+    size_t processed = size;
+    RINOK(stream->Read(stream, buf, &processed));
+    if (processed == 0)
+      return errorType;
+    buf = (void *)((Byte *)buf + processed);
+    size -= processed;
+  }
+  return SZ_OK;
+}
+
+static SRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size)
+{
+  return SeqInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
+}
+
+static SRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf)
+{
+  size_t processed = 1;
+  RINOK(stream->Read(stream, buf, &processed));
+  return (processed == 1) ? SZ_OK : SZ_ERROR_INPUT_EOF;
+}
+
+static SRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset)
+{
+  Int64 t = offset;
+  return stream->Seek(stream, &t, SZ_SEEK_SET);
+}
+
+static SRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size)
+{
+  const void *lookBuf;
+  if (*size == 0)
+    return SZ_OK;
+  RINOK(stream->Look(stream, &lookBuf, size));
+  memcpy(buf, lookBuf, *size);
+  return stream->Skip(stream, *size);
+}
+
+static SRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType)
+{
+  while (size != 0)
+  {
+    size_t processed = size;
+    RINOK(stream->Read(stream, buf, &processed));
+    if (processed == 0)
+      return errorType;
+    buf = (void *)((Byte *)buf + processed);
+    size -= processed;
+  }
+  return SZ_OK;
+}
+
+static SRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size)
+{
+  return LookInStream_Read2(stream, buf, size, SZ_ERROR_INPUT_EOF);
+}
+
+static SRes LookToRead_Look_Lookahead(void *pp, const void **buf, size_t *size)
+{
+  SRes res = SZ_OK;
+  CLookToRead *p = (CLookToRead *)pp;
+  size_t size2 = p->size - p->pos;
+  if (size2 == 0 && *size > 0)
+  {
+    p->pos = 0;
+    size2 = LookToRead_BUF_SIZE;
+    res = p->realStream->Read(p->realStream, p->buf, &size2);
+    p->size = size2;
+  }
+  if (size2 < *size)
+    *size = size2;
+  *buf = p->buf + p->pos;
+  return res;
+}
+
+static SRes LookToRead_Look_Exact(void *pp, const void **buf, size_t *size)
+{
+  SRes res = SZ_OK;
+  CLookToRead *p = (CLookToRead *)pp;
+  size_t size2 = p->size - p->pos;
+  if (size2 == 0 && *size > 0)
+  {
+    p->pos = 0;
+    if (*size > LookToRead_BUF_SIZE)
+      *size = LookToRead_BUF_SIZE;
+    res = p->realStream->Read(p->realStream, p->buf, size);
+    size2 = p->size = *size;
+  }
+  if (size2 < *size)
+    *size = size2;
+  *buf = p->buf + p->pos;
+  return res;
+}
+
+static SRes LookToRead_Skip(void *pp, size_t offset)
+{
+  CLookToRead *p = (CLookToRead *)pp;
+  p->pos += offset;
+  return SZ_OK;
+}
+
+static SRes LookToRead_Read(void *pp, void *buf, size_t *size)
+{
+  CLookToRead *p = (CLookToRead *)pp;
+  size_t rem = p->size - p->pos;
+  if (rem == 0)
+    return p->realStream->Read(p->realStream, buf, size);
+  if (rem > *size)
+    rem = *size;
+  memcpy(buf, p->buf + p->pos, rem);
+  p->pos += rem;
+  *size = rem;
+  return SZ_OK;
+}
+
+static SRes LookToRead_Seek(void *pp, Int64 *pos, ESzSeek origin)
+{
+  CLookToRead *p = (CLookToRead *)pp;
+  p->pos = p->size = 0;
+  return p->realStream->Seek(p->realStream, pos, origin);
+}
+
+static void LookToRead_CreateVTable(CLookToRead *p, int lookahead)
+{
+  p->s.Look = lookahead ?
+      LookToRead_Look_Lookahead :
+      LookToRead_Look_Exact;
+  p->s.Skip = LookToRead_Skip;
+  p->s.Read = LookToRead_Read;
+  p->s.Seek = LookToRead_Seek;
+}
+
+static void LookToRead_Init(CLookToRead *p)
+{
+  p->pos = p->size = 0;
+}
+
+static SRes SecToLook_Read(void *pp, void *buf, size_t *size)
+{
+  CSecToLook *p = (CSecToLook *)pp;
+  return LookInStream_LookRead(p->realStream, buf, size);
+}
+
+static void SecToLook_CreateVTable(CSecToLook *p)
+{
+  p->s.Read = SecToLook_Read;
+}
+
+static SRes SecToRead_Read(void *pp, void *buf, size_t *size)
+{
+  CSecToRead *p = (CSecToRead *)pp;
+  return p->realStream->Read(p->realStream, buf, size);
+}
+
+static void SecToRead_CreateVTable(CSecToRead *p)
+{
+  p->s.Read = SecToRead_Read;
+}
+
+/* 7zArcIn.c -- 7z Input functions
+2016-05-16 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include <string.h>
+
+#include "7z.h"
+#include "7zBuf.h"
+#include "7zCrc.h"
+#include "CpuArch.h"
+*/
+
+#define MY_ALLOC(T, p, size, alloc) { \
+  if ((p = (T *)IAlloc_Alloc(alloc, (size) * sizeof(T))) == NULL) return SZ_ERROR_MEM; }
+
+#define MY_ALLOC_ZE(T, p, size, alloc) { if ((size) == 0) p = NULL; else MY_ALLOC(T, p, size, alloc) }
+
+#define MY_ALLOC_AND_CPY(to, size, from, alloc) \
+  { MY_ALLOC(Byte, to, size, alloc); memcpy(to, from, size); }
+
+#define MY_ALLOC_ZE_AND_CPY(to, size, from, alloc) \
+  { if ((size) == 0) p = NULL; else { MY_ALLOC_AND_CPY(to, size, from, alloc) } }
+
+#define k7zMajorVersion 0
+
+enum EIdEnum
+{
+  k7zIdEnd,
+  k7zIdHeader,
+  k7zIdArchiveProperties,
+  k7zIdAdditionalStreamsInfo,
+  k7zIdMainStreamsInfo,
+  k7zIdFilesInfo,
+  k7zIdPackInfo,
+  k7zIdUnpackInfo,
+  k7zIdSubStreamsInfo,
+  k7zIdSize,
+  k7zIdCRC,
+  k7zIdFolder,
+  k7zIdCodersUnpackSize,
+  k7zIdNumUnpackStream,
+  k7zIdEmptyStream,
+  k7zIdEmptyFile,
+  k7zIdAnti,
+  k7zIdName,
+  k7zIdCTime,
+  k7zIdATime,
+  k7zIdMTime,
+  k7zIdWinAttrib,
+  k7zIdComment,
+  k7zIdEncodedHeader,
+  k7zIdStartPos,
+  k7zIdDummy
+  // k7zNtSecure,
+  // k7zParent,
+  // k7zIsReal
+};
+
+static const Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C};
+
+#define SzBitUi32s_Init(p) { (p)->Defs = NULL; (p)->Vals = NULL; }
+
+static SRes SzBitUi32s_Alloc(CSzBitUi32s *p, size_t num, ISzAlloc *alloc)
+{
+  if (num == 0)
+  {
+    p->Defs = NULL;
+    p->Vals = NULL;
+  }
+  else
+  {
+    MY_ALLOC(Byte, p->Defs, (num + 7) >> 3, alloc);
+    MY_ALLOC(UInt32, p->Vals, num, alloc);
+  }
+  return SZ_OK;
+}
+
+static void SzBitUi32s_Free(CSzBitUi32s *p, ISzAlloc *alloc)
+{
+  IAlloc_Free(alloc, p->Defs); p->Defs = NULL;
+  IAlloc_Free(alloc, p->Vals); p->Vals = NULL;
+}
+
+#define SzBitUi64s_Init(p) { (p)->Defs = NULL; (p)->Vals = NULL; }
+
+static void SzBitUi64s_Free(CSzBitUi64s *p, ISzAlloc *alloc)
+{
+  IAlloc_Free(alloc, p->Defs); p->Defs = NULL;
+  IAlloc_Free(alloc, p->Vals); p->Vals = NULL;
+}
+
+
+static void SzAr_Init(CSzAr *p)
+{
+  p->NumPackStreams = 0;
+  p->NumFolders = 0;
+  
+  p->PackPositions = NULL;
+  SzBitUi32s_Init(&p->FolderCRCs);
+
+  p->FoCodersOffsets = NULL;
+  p->FoStartPackStreamIndex = NULL;
+  p->FoToCoderUnpackSizes = NULL;
+  p->FoToMainUnpackSizeIndex = NULL;
+  p->CoderUnpackSizes = NULL;
+
+  p->CodersData = NULL;
+}
+
+static void SzAr_Free(CSzAr *p, ISzAlloc *alloc)
+{
+  IAlloc_Free(alloc, p->PackPositions);
+  SzBitUi32s_Free(&p->FolderCRCs, alloc);
+ 
+  IAlloc_Free(alloc, p->FoCodersOffsets);
+  IAlloc_Free(alloc, p->FoStartPackStreamIndex);
+  IAlloc_Free(alloc, p->FoToCoderUnpackSizes);
+  IAlloc_Free(alloc, p->FoToMainUnpackSizeIndex);
+  IAlloc_Free(alloc, p->CoderUnpackSizes);
+  
+  IAlloc_Free(alloc, p->CodersData);
+
+  SzAr_Init(p);
+}
+
+
+static void SzArEx_Init(CSzArEx *p)
+{
+  SzAr_Init(&p->db);
+  
+  p->NumFiles = 0;
+  p->dataPos = 0;
+  
+  p->UnpackPositions = NULL;
+  p->IsDirs = NULL;
+  
+  p->FolderToFile = NULL;
+  p->FileToFolder = NULL;
+  
+  p->FileNameOffsets = NULL;
+  p->FileNames = NULL;
+  
+  SzBitUi32s_Init(&p->CRCs);
+  SzBitUi32s_Init(&p->Attribs);
+  // SzBitUi32s_Init(&p->Parents);
+  SzBitUi64s_Init(&p->MTime);
+  SzBitUi64s_Init(&p->CTime);
+}
+
+static void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc)
+{
+  IAlloc_Free(alloc, p->UnpackPositions);
+  IAlloc_Free(alloc, p->IsDirs);
+
+  IAlloc_Free(alloc, p->FolderToFile);
+  IAlloc_Free(alloc, p->FileToFolder);
+
+  IAlloc_Free(alloc, p->FileNameOffsets);
+  IAlloc_Free(alloc, p->FileNames);
+
+  SzBitUi32s_Free(&p->CRCs, alloc);
+  SzBitUi32s_Free(&p->Attribs, alloc);
+  // SzBitUi32s_Free(&p->Parents, alloc);
+  SzBitUi64s_Free(&p->MTime, alloc);
+  SzBitUi64s_Free(&p->CTime, alloc);
+  
+  SzAr_Free(&p->db, alloc);
+  SzArEx_Init(p);
+}
+
+
+static int TestSignatureCandidate(const Byte *testBytes)
+{
+  unsigned i;
+  for (i = 0; i < k7zSignatureSize; i++)
+    if (testBytes[i] != k7zSignature[i])
+      return 0;
+  return 1;
+}
+
+#define SzData_Clear(p) { (p)->Data = NULL; (p)->Size = 0; }
+
+#define SZ_READ_BYTE_SD(_sd_, dest) if ((_sd_)->Size == 0) return SZ_ERROR_ARCHIVE; (_sd_)->Size--; dest = *(_sd_)->Data++;
+#define SZ_READ_BYTE(dest) SZ_READ_BYTE_SD(sd, dest)
+#define SZ_READ_BYTE_2(dest) if (sd.Size == 0) return SZ_ERROR_ARCHIVE; sd.Size--; dest = *sd.Data++;
+
+#define SKIP_DATA(sd, size) { sd->Size -= (size_t)(size); sd->Data += (size_t)(size); }
+#define SKIP_DATA2(sd, size) { sd.Size -= (size_t)(size); sd.Data += (size_t)(size); }
+
+#define SZ_READ_32(dest) if (sd.Size < 4) return SZ_ERROR_ARCHIVE; \
+   dest = GetUi32(sd.Data); SKIP_DATA2(sd, 4);
+
+static MY_NO_INLINE SRes ReadNumber(CSzData *sd, UInt64 *value)
+{
+  Byte firstByte, mask;
+  unsigned i;
+  UInt32 v;
+
+  SZ_READ_BYTE(firstByte);
+  if ((firstByte & 0x80) == 0)
+  {
+    *value = firstByte;
+    return SZ_OK;
+  }
+  SZ_READ_BYTE(v);
+  if ((firstByte & 0x40) == 0)
+  {
+    *value = (((UInt32)firstByte & 0x3F) << 8) | v;
+    return SZ_OK;
+  }
+  SZ_READ_BYTE(mask);
+  *value = v | ((UInt32)mask << 8);
+  mask = 0x20;
+  for (i = 2; i < 8; i++)
+  {
+    Byte b;
+    if ((firstByte & mask) == 0)
+    {
+      UInt64 highPart = (unsigned)firstByte & (unsigned)(mask - 1);
+      *value |= (highPart << (8 * i));
+      return SZ_OK;
+    }
+    SZ_READ_BYTE(b);
+    *value |= ((UInt64)b << (8 * i));
+    mask >>= 1;
+  }
+  return SZ_OK;
+}
+
+
+static MY_NO_INLINE SRes SzReadNumber32(CSzData *sd, UInt32 *value)
+{
+  Byte firstByte;
+  UInt64 value64;
+  if (sd->Size == 0)
+    return SZ_ERROR_ARCHIVE;
+  firstByte = *sd->Data;
+  if ((firstByte & 0x80) == 0)
+  {
+    *value = firstByte;
+    sd->Data++;
+    sd->Size--;
+    return SZ_OK;
+  }
+  RINOK(ReadNumber(sd, &value64));
+  if (value64 >= (UInt32)0x80000000 - 1)
+    return SZ_ERROR_UNSUPPORTED;
+  if (value64 >= ((UInt64)(1) << ((sizeof(size_t) - 1) * 8 + 4)))
+    return SZ_ERROR_UNSUPPORTED;
+  *value = (UInt32)value64;
+  return SZ_OK;
+}
+
+#define ReadID(sd, value) ReadNumber(sd, value)
+
+static SRes SkipData(CSzData *sd)
+{
+  UInt64 size;
+  RINOK(ReadNumber(sd, &size));
+  if (size > sd->Size)
+    return SZ_ERROR_ARCHIVE;
+  SKIP_DATA(sd, size);
+  return SZ_OK;
+}
+
+static SRes WaitId(CSzData *sd, UInt32 id)
+{
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(ReadID(sd, &type));
+    if (type == id)
+      return SZ_OK;
+    if (type == k7zIdEnd)
+      return SZ_ERROR_ARCHIVE;
+    RINOK(SkipData(sd));
+  }
+}
+
+static SRes RememberBitVector(CSzData *sd, UInt32 numItems, const Byte **v)
+{
+  UInt32 numBytes = (numItems + 7) >> 3;
+  if (numBytes > sd->Size)
+    return SZ_ERROR_ARCHIVE;
+  *v = sd->Data;
+  SKIP_DATA(sd, numBytes);
+  return SZ_OK;
+}
+
+static UInt32 CountDefinedBits(const Byte *bits, UInt32 numItems)
+{
+  Byte b = 0;
+  unsigned m = 0;
+  UInt32 sum = 0;
+  for (; numItems != 0; numItems--)
+  {
+    if (m == 0)
+    {
+      b = *bits++;
+      m = 8;
+    }
+    m--;
+    sum += ((b >> m) & 1);
+  }
+  return sum;
+}
+
+static MY_NO_INLINE SRes ReadBitVector(CSzData *sd, UInt32 numItems, Byte **v, ISzAlloc *alloc)
+{
+  Byte allAreDefined;
+  Byte *v2;
+  UInt32 numBytes = (numItems + 7) >> 3;
+  *v = NULL;
+  SZ_READ_BYTE(allAreDefined);
+  if (numBytes == 0)
+    return SZ_OK;
+  if (allAreDefined == 0)
+  {
+    if (numBytes > sd->Size)
+      return SZ_ERROR_ARCHIVE;
+    MY_ALLOC_AND_CPY(*v, numBytes, sd->Data, alloc);
+    SKIP_DATA(sd, numBytes);
+    return SZ_OK;
+  }
+  MY_ALLOC(Byte, *v, numBytes, alloc);
+  v2 = *v;
+  memset(v2, 0xFF, (size_t)numBytes);
+  {
+    unsigned numBits = (unsigned)numItems & 7;
+    if (numBits != 0)
+      v2[numBytes - 1] = (Byte)((((UInt32)1 << numBits) - 1) << (8 - numBits));
+  }
+  return SZ_OK;
+}
+
+static MY_NO_INLINE SRes ReadUi32s(CSzData *sd2, UInt32 numItems, CSzBitUi32s *crcs, ISzAlloc *alloc)
+{
+  UInt32 i;
+  CSzData sd;
+  UInt32 *vals;
+  const Byte *defs;
+  MY_ALLOC_ZE(UInt32, crcs->Vals, numItems, alloc);
+  sd = *sd2;
+  defs = crcs->Defs;
+  vals = crcs->Vals;
+  for (i = 0; i < numItems; i++)
+    if (SzBitArray_Check(defs, i))
+    {
+      SZ_READ_32(vals[i]);
+    }
+    else
+      vals[i] = 0;
+  *sd2 = sd;
+  return SZ_OK;
+}
+
+static SRes ReadBitUi32s(CSzData *sd, UInt32 numItems, CSzBitUi32s *crcs, ISzAlloc *alloc)
+{
+  SzBitUi32s_Free(crcs, alloc);
+  RINOK(ReadBitVector(sd, numItems, &crcs->Defs, alloc));
+  return ReadUi32s(sd, numItems, crcs, alloc);
+}
+
+static SRes SkipBitUi32s(CSzData *sd, UInt32 numItems)
+{
+  Byte allAreDefined;
+  UInt32 numDefined = numItems;
+  SZ_READ_BYTE(allAreDefined);
+  if (!allAreDefined)
+  {
+    size_t numBytes = (numItems + 7) >> 3;
+    if (numBytes > sd->Size)
+      return SZ_ERROR_ARCHIVE;
+    numDefined = CountDefinedBits(sd->Data, numItems);
+    SKIP_DATA(sd, numBytes);
+  }
+  if (numDefined > (sd->Size >> 2))
+    return SZ_ERROR_ARCHIVE;
+  SKIP_DATA(sd, (size_t)numDefined * 4);
+  return SZ_OK;
+}
+
+static SRes ReadPackInfo(CSzAr *p, CSzData *sd, ISzAlloc *alloc)
+{
+  RINOK(SzReadNumber32(sd, &p->NumPackStreams));
+
+  RINOK(WaitId(sd, k7zIdSize));
+  MY_ALLOC(UInt64, p->PackPositions, (size_t)p->NumPackStreams + 1, alloc);
+  {
+    UInt64 sum = 0;
+    UInt32 i;
+    UInt32 numPackStreams = p->NumPackStreams;
+    for (i = 0; i < numPackStreams; i++)
+    {
+      UInt64 packSize;
+      p->PackPositions[i] = sum;
+      RINOK(ReadNumber(sd, &packSize));
+      sum += packSize;
+      if (sum < packSize)
+        return SZ_ERROR_ARCHIVE;
+    }
+    p->PackPositions[i] = sum;
+  }
+
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(ReadID(sd, &type));
+    if (type == k7zIdEnd)
+      return SZ_OK;
+    if (type == k7zIdCRC)
+    {
+      /* CRC of packed streams is unused now */
+      RINOK(SkipBitUi32s(sd, p->NumPackStreams));
+      continue;
+    }
+    RINOK(SkipData(sd));
+  }
+}
+
+/*
+static SRes SzReadSwitch(CSzData *sd)
+{
+  Byte external;
+  RINOK(SzReadByte(sd, &external));
+  return (external == 0) ? SZ_OK: SZ_ERROR_UNSUPPORTED;
+}
+*/
+
+#define k_NumCodersStreams_in_Folder_MAX (SZ_NUM_BONDS_IN_FOLDER_MAX + SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX)
+
+static SRes SzGetNextFolderItem(CSzFolder *f, CSzData *sd)
+{
+  UInt32 numCoders, i;
+  UInt32 numInStreams = 0;
+  const Byte *dataStart = sd->Data;
+
+  f->NumCoders = 0;
+  f->NumBonds = 0;
+  f->NumPackStreams = 0;
+  f->UnpackStream = 0;
+  
+  RINOK(SzReadNumber32(sd, &numCoders));
+  if (numCoders == 0 || numCoders > SZ_NUM_CODERS_IN_FOLDER_MAX)
+    return SZ_ERROR_UNSUPPORTED;
+  
+  for (i = 0; i < numCoders; i++)
+  {
+    Byte mainByte;
+    CSzCoderInfo *coder = f->Coders + i;
+    unsigned idSize, j;
+    UInt64 id;
+    
+    SZ_READ_BYTE(mainByte);
+    if ((mainByte & 0xC0) != 0)
+      return SZ_ERROR_UNSUPPORTED;
+    
+    idSize = (unsigned)(mainByte & 0xF);
+    if (idSize > sizeof(id))
+      return SZ_ERROR_UNSUPPORTED;
+    if (idSize > sd->Size)
+      return SZ_ERROR_ARCHIVE;
+    id = 0;
+    for (j = 0; j < idSize; j++)
+    {
+      id = ((id << 8) | *sd->Data);
+      sd->Data++;
+      sd->Size--;
+    }
+    if (id > (UInt32)0xFFFFFFFF)
+      return SZ_ERROR_UNSUPPORTED;
+    coder->MethodID = (UInt32)id;
+    
+    coder->NumStreams = 1;
+    coder->PropsOffset = 0;
+    coder->PropsSize = 0;
+    
+    if ((mainByte & 0x10) != 0)
+    {
+      UInt32 numStreams;
+      
+      RINOK(SzReadNumber32(sd, &numStreams));
+      if (numStreams > k_NumCodersStreams_in_Folder_MAX)
+        return SZ_ERROR_UNSUPPORTED;
+      coder->NumStreams = (Byte)numStreams;
+
+      RINOK(SzReadNumber32(sd, &numStreams));
+      if (numStreams != 1)
+        return SZ_ERROR_UNSUPPORTED;
+    }
+
+    numInStreams += coder->NumStreams;
+
+    if (numInStreams > k_NumCodersStreams_in_Folder_MAX)
+      return SZ_ERROR_UNSUPPORTED;
+
+    if ((mainByte & 0x20) != 0)
+    {
+      UInt32 propsSize = 0;
+      RINOK(SzReadNumber32(sd, &propsSize));
+      if (propsSize > sd->Size)
+        return SZ_ERROR_ARCHIVE;
+      if (propsSize >= 0x80)
+        return SZ_ERROR_UNSUPPORTED;
+      coder->PropsOffset = sd->Data - dataStart;
+      coder->PropsSize = (Byte)propsSize;
+      sd->Data += (size_t)propsSize;
+      sd->Size -= (size_t)propsSize;
+    }
+  }
+
+  /*
+  if (numInStreams == 1 && numCoders == 1)
+  {
+    f->NumPackStreams = 1;
+    f->PackStreams[0] = 0;
+  }
+  else
+  */
+  {
+    Byte streamUsed[k_NumCodersStreams_in_Folder_MAX];
+    UInt32 numBonds, numPackStreams;
+    
+    numBonds = numCoders - 1;
+    if (numInStreams < numBonds)
+      return SZ_ERROR_ARCHIVE;
+    if (numBonds > SZ_NUM_BONDS_IN_FOLDER_MAX)
+      return SZ_ERROR_UNSUPPORTED;
+    f->NumBonds = numBonds;
+    
+    numPackStreams = numInStreams - numBonds;
+    if (numPackStreams > SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX)
+      return SZ_ERROR_UNSUPPORTED;
+    f->NumPackStreams = numPackStreams;
+  
+    for (i = 0; i < numInStreams; i++)
+      streamUsed[i] = False;
+    
+    if (numBonds != 0)
+    {
+      Byte coderUsed[SZ_NUM_CODERS_IN_FOLDER_MAX];
+
+      for (i = 0; i < numCoders; i++)
+        coderUsed[i] = False;
+      
+      for (i = 0; i < numBonds; i++)
+      {
+        CSzBond *bp = f->Bonds + i;
+        
+        RINOK(SzReadNumber32(sd, &bp->InIndex));
+        if (bp->InIndex >= numInStreams || streamUsed[bp->InIndex])
+          return SZ_ERROR_ARCHIVE;
+        streamUsed[bp->InIndex] = True;
+        
+        RINOK(SzReadNumber32(sd, &bp->OutIndex));
+        if (bp->OutIndex >= numCoders || coderUsed[bp->OutIndex])
+          return SZ_ERROR_ARCHIVE;
+        coderUsed[bp->OutIndex] = True;
+      }
+      
+      for (i = 0; i < numCoders; i++)
+        if (!coderUsed[i])
+        {
+          f->UnpackStream = i;
+          break;
+        }
+      
+      if (i == numCoders)
+        return SZ_ERROR_ARCHIVE;
+    }
+    
+    if (numPackStreams == 1)
+    {
+      for (i = 0; i < numInStreams; i++)
+        if (!streamUsed[i])
+          break;
+      if (i == numInStreams)
+        return SZ_ERROR_ARCHIVE;
+      f->PackStreams[0] = i;
+    }
+    else
+      for (i = 0; i < numPackStreams; i++)
+      {
+        UInt32 index;
+        RINOK(SzReadNumber32(sd, &index));
+        if (index >= numInStreams || streamUsed[index])
+          return SZ_ERROR_ARCHIVE;
+        streamUsed[index] = True;
+        f->PackStreams[i] = index;
+      }
+  }
+
+  f->NumCoders = numCoders;
+
+  return SZ_OK;
+}
+
+
+static MY_NO_INLINE SRes SkipNumbers(CSzData *sd2, UInt32 num)
+{
+  CSzData sd;
+  sd = *sd2;
+  for (; num != 0; num--)
+  {
+    Byte firstByte, mask;
+    unsigned i;
+    SZ_READ_BYTE_2(firstByte);
+    if ((firstByte & 0x80) == 0)
+      continue;
+    if ((firstByte & 0x40) == 0)
+    {
+      if (sd.Size == 0)
+        return SZ_ERROR_ARCHIVE;
+      sd.Size--;
+      sd.Data++;
+      continue;
+    }
+    mask = 0x20;
+    for (i = 2; i < 8 && (firstByte & mask) != 0; i++)
+      mask >>= 1;
+    if (i > sd.Size)
+      return SZ_ERROR_ARCHIVE;
+    SKIP_DATA2(sd, i);
+  }
+  *sd2 = sd;
+  return SZ_OK;
+}
+
+
+#define k_Scan_NumCoders_MAX 64
+#define k_Scan_NumCodersStreams_in_Folder_MAX 64
+
+
+static SRes ReadUnpackInfo(CSzAr *p,
+    CSzData *sd2,
+    UInt32 numFoldersMax,
+    const CBuf *tempBufs, UInt32 numTempBufs,
+    ISzAlloc *alloc)
+{
+  CSzData sd;
+  
+  UInt32 fo, numFolders, numCodersOutStreams, packStreamIndex;
+  const Byte *startBufPtr;
+  Byte external;
+  
+  RINOK(WaitId(sd2, k7zIdFolder));
+  
+  RINOK(SzReadNumber32(sd2, &numFolders));
+  if (numFolders > numFoldersMax)
+    return SZ_ERROR_UNSUPPORTED;
+  p->NumFolders = numFolders;
+
+  SZ_READ_BYTE_SD(sd2, external);
+  if (external == 0)
+    sd = *sd2;
+  else
+  {
+    UInt32 index;
+    RINOK(SzReadNumber32(sd2, &index));
+    if (index >= numTempBufs)
+      return SZ_ERROR_ARCHIVE;
+    sd.Data = tempBufs[index].data;
+    sd.Size = tempBufs[index].size;
+  }
+  
+  MY_ALLOC(size_t, p->FoCodersOffsets, (size_t)numFolders + 1, alloc);
+  MY_ALLOC(UInt32, p->FoStartPackStreamIndex, (size_t)numFolders + 1, alloc);
+  MY_ALLOC(UInt32, p->FoToCoderUnpackSizes, (size_t)numFolders + 1, alloc);
+  MY_ALLOC(Byte, p->FoToMainUnpackSizeIndex, (size_t)numFolders, alloc);
+  
+  startBufPtr = sd.Data;
+  
+  packStreamIndex = 0;
+  numCodersOutStreams = 0;
+
+  for (fo = 0; fo < numFolders; fo++)
+  {
+    UInt32 numCoders, ci, numInStreams = 0;
+    
+    p->FoCodersOffsets[fo] = sd.Data - startBufPtr;
+    
+    RINOK(SzReadNumber32(&sd, &numCoders));
+    if (numCoders == 0 || numCoders > k_Scan_NumCoders_MAX)
+      return SZ_ERROR_UNSUPPORTED;
+    
+    for (ci = 0; ci < numCoders; ci++)
+    {
+      Byte mainByte;
+      unsigned idSize;
+      UInt32 coderInStreams;
+      
+      SZ_READ_BYTE_2(mainByte);
+      if ((mainByte & 0xC0) != 0)
+        return SZ_ERROR_UNSUPPORTED;
+      idSize = (mainByte & 0xF);
+      if (idSize > 8)
+        return SZ_ERROR_UNSUPPORTED;
+      if (idSize > sd.Size)
+        return SZ_ERROR_ARCHIVE;
+      SKIP_DATA2(sd, idSize);
+      
+      coderInStreams = 1;
+      
+      if ((mainByte & 0x10) != 0)
+      {
+        UInt32 coderOutStreams;
+        RINOK(SzReadNumber32(&sd, &coderInStreams));
+        RINOK(SzReadNumber32(&sd, &coderOutStreams));
+        if (coderInStreams > k_Scan_NumCodersStreams_in_Folder_MAX || coderOutStreams != 1)
+          return SZ_ERROR_UNSUPPORTED;
+      }
+      
+      numInStreams += coderInStreams;
+
+      if ((mainByte & 0x20) != 0)
+      {
+        UInt32 propsSize;
+        RINOK(SzReadNumber32(&sd, &propsSize));
+        if (propsSize > sd.Size)
+          return SZ_ERROR_ARCHIVE;
+        SKIP_DATA2(sd, propsSize);
+      }
+    }
+    
+    {
+      UInt32 indexOfMainStream = 0;
+      UInt32 numPackStreams = 1;
+      
+      if (numCoders != 1 || numInStreams != 1)
+      {
+        Byte streamUsed[k_Scan_NumCodersStreams_in_Folder_MAX];
+        Byte coderUsed[k_Scan_NumCoders_MAX];
+    
+        UInt32 i;
+        UInt32 numBonds = numCoders - 1;
+        if (numInStreams < numBonds)
+          return SZ_ERROR_ARCHIVE;
+        
+        if (numInStreams > k_Scan_NumCodersStreams_in_Folder_MAX)
+          return SZ_ERROR_UNSUPPORTED;
+        
+        for (i = 0; i < numInStreams; i++)
+          streamUsed[i] = False;
+        for (i = 0; i < numCoders; i++)
+          coderUsed[i] = False;
+        
+        for (i = 0; i < numBonds; i++)
+        {
+          UInt32 index;
+          
+          RINOK(SzReadNumber32(&sd, &index));
+          if (index >= numInStreams || streamUsed[index])
+            return SZ_ERROR_ARCHIVE;
+          streamUsed[index] = True;
+          
+          RINOK(SzReadNumber32(&sd, &index));
+          if (index >= numCoders || coderUsed[index])
+            return SZ_ERROR_ARCHIVE;
+          coderUsed[index] = True;
+        }
+        
+        numPackStreams = numInStreams - numBonds;
+        
+        if (numPackStreams != 1)
+          for (i = 0; i < numPackStreams; i++)
+          {
+            UInt32 index;
+            RINOK(SzReadNumber32(&sd, &index));
+            if (index >= numInStreams || streamUsed[index])
+              return SZ_ERROR_ARCHIVE;
+            streamUsed[index] = True;
+          }
+          
+        for (i = 0; i < numCoders; i++)
+          if (!coderUsed[i])
+          {
+            indexOfMainStream = i;
+            break;
+          }
+ 
+        if (i == numCoders)
+          return SZ_ERROR_ARCHIVE;
+      }
+      
+      p->FoStartPackStreamIndex[fo] = packStreamIndex;
+      p->FoToCoderUnpackSizes[fo] = numCodersOutStreams;
+      p->FoToMainUnpackSizeIndex[fo] = (Byte)indexOfMainStream;
+      numCodersOutStreams += numCoders;
+      if (numCodersOutStreams < numCoders)
+        return SZ_ERROR_UNSUPPORTED;
+      if (numPackStreams > p->NumPackStreams - packStreamIndex)
+        return SZ_ERROR_ARCHIVE;
+      packStreamIndex += numPackStreams;
+    }
+  }
+
+  p->FoToCoderUnpackSizes[fo] = numCodersOutStreams;
+  
+  {
+    size_t dataSize = sd.Data - startBufPtr;
+    p->FoStartPackStreamIndex[fo] = packStreamIndex;
+    p->FoCodersOffsets[fo] = dataSize;
+    MY_ALLOC_ZE_AND_CPY(p->CodersData, dataSize, startBufPtr, alloc);
+  }
+  
+  if (external != 0)
+  {
+    if (sd.Size != 0)
+      return SZ_ERROR_ARCHIVE;
+    sd = *sd2;
+  }
+  
+  RINOK(WaitId(&sd, k7zIdCodersUnpackSize));
+  
+  MY_ALLOC_ZE(UInt64, p->CoderUnpackSizes, (size_t)numCodersOutStreams, alloc);
+  {
+    UInt32 i;
+    for (i = 0; i < numCodersOutStreams; i++)
+    {
+      RINOK(ReadNumber(&sd, p->CoderUnpackSizes + i));
+    }
+  }
+
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(ReadID(&sd, &type));
+    if (type == k7zIdEnd)
+    {
+      *sd2 = sd;
+      return SZ_OK;
+    }
+    if (type == k7zIdCRC)
+    {
+      RINOK(ReadBitUi32s(&sd, numFolders, &p->FolderCRCs, alloc));
+      continue;
+    }
+    RINOK(SkipData(&sd));
+  }
+}
+
+
+static UInt64 SzAr_GetFolderUnpackSize(const CSzAr *p, UInt32 folderIndex)
+{
+  return p->CoderUnpackSizes[p->FoToCoderUnpackSizes[folderIndex] + p->FoToMainUnpackSizeIndex[folderIndex]];
+}
+
+
+typedef struct
+{
+  UInt32 NumTotalSubStreams;
+  UInt32 NumSubDigests;
+  CSzData sdNumSubStreams;
+  CSzData sdSizes;
+  CSzData sdCRCs;
+} CSubStreamInfo;
+
+
+static SRes ReadSubStreamsInfo(CSzAr *p, CSzData *sd, CSubStreamInfo *ssi)
+{
+  UInt64 type = 0;
+  UInt32 numSubDigests = 0;
+  UInt32 numFolders = p->NumFolders;
+  UInt32 numUnpackStreams = numFolders;
+  UInt32 numUnpackSizesInData = 0;
+
+  for (;;)
+  {
+    RINOK(ReadID(sd, &type));
+    if (type == k7zIdNumUnpackStream)
+    {
+      UInt32 i;
+      ssi->sdNumSubStreams.Data = sd->Data;
+      numUnpackStreams = 0;
+      numSubDigests = 0;
+      for (i = 0; i < numFolders; i++)
+      {
+        UInt32 numStreams;
+        RINOK(SzReadNumber32(sd, &numStreams));
+        if (numUnpackStreams > numUnpackStreams + numStreams)
+          return SZ_ERROR_UNSUPPORTED;
+        numUnpackStreams += numStreams;
+        if (numStreams != 0)
+          numUnpackSizesInData += (numStreams - 1);
+        if (numStreams != 1 || !SzBitWithVals_Check(&p->FolderCRCs, i))
+          numSubDigests += numStreams;
+      }
+      ssi->sdNumSubStreams.Size = sd->Data - ssi->sdNumSubStreams.Data;
+      continue;
+    }
+    if (type == k7zIdCRC || type == k7zIdSize || type == k7zIdEnd)
+      break;
+    RINOK(SkipData(sd));
+  }
+
+  if (!ssi->sdNumSubStreams.Data)
+  {
+    numSubDigests = numFolders;
+    if (p->FolderCRCs.Defs)
+      numSubDigests = numFolders - CountDefinedBits(p->FolderCRCs.Defs, numFolders);
+  }
+  
+  ssi->NumTotalSubStreams = numUnpackStreams;
+  ssi->NumSubDigests = numSubDigests;
+
+  if (type == k7zIdSize)
+  {
+    ssi->sdSizes.Data = sd->Data;
+    RINOK(SkipNumbers(sd, numUnpackSizesInData));
+    ssi->sdSizes.Size = sd->Data - ssi->sdSizes.Data;
+    RINOK(ReadID(sd, &type));
+  }
+
+  for (;;)
+  {
+    if (type == k7zIdEnd)
+      return SZ_OK;
+    if (type == k7zIdCRC)
+    {
+      ssi->sdCRCs.Data = sd->Data;
+      RINOK(SkipBitUi32s(sd, numSubDigests));
+      ssi->sdCRCs.Size = sd->Data - ssi->sdCRCs.Data;
+    }
+    else
+    {
+      RINOK(SkipData(sd));
+    }
+    RINOK(ReadID(sd, &type));
+  }
+}
+
+static SRes SzReadStreamsInfo(CSzAr *p,
+    CSzData *sd,
+    UInt32 numFoldersMax, const CBuf *tempBufs, UInt32 numTempBufs,
+    UInt64 *dataOffset,
+    CSubStreamInfo *ssi,
+    ISzAlloc *alloc)
+{
+  UInt64 type;
+
+  SzData_Clear(&ssi->sdSizes);
+  SzData_Clear(&ssi->sdCRCs);
+  SzData_Clear(&ssi->sdNumSubStreams);
+
+  *dataOffset = 0;
+  RINOK(ReadID(sd, &type));
+  if (type == k7zIdPackInfo)
+  {
+    RINOK(ReadNumber(sd, dataOffset));
+    RINOK(ReadPackInfo(p, sd, alloc));
+    RINOK(ReadID(sd, &type));
+  }
+  if (type == k7zIdUnpackInfo)
+  {
+    RINOK(ReadUnpackInfo(p, sd, numFoldersMax, tempBufs, numTempBufs, alloc));
+    RINOK(ReadID(sd, &type));
+  }
+  if (type == k7zIdSubStreamsInfo)
+  {
+    RINOK(ReadSubStreamsInfo(p, sd, ssi));
+    RINOK(ReadID(sd, &type));
+  }
+  else
+  {
+    ssi->NumTotalSubStreams = p->NumFolders;
+    // ssi->NumSubDigests = 0;
+  }
+
+  return (type == k7zIdEnd ? SZ_OK : SZ_ERROR_UNSUPPORTED);
+}
+
+static SRes SzReadAndDecodePackedStreams(
+    ILookInStream *inStream,
+    CSzData *sd,
+    CBuf *tempBufs,
+    UInt32 numFoldersMax,
+    UInt64 baseOffset,
+    CSzAr *p,
+    ISzAlloc *allocTemp)
+{
+  UInt64 dataStartPos;
+  UInt32 fo;
+  CSubStreamInfo ssi;
+
+  RINOK(SzReadStreamsInfo(p, sd, numFoldersMax, NULL, 0, &dataStartPos, &ssi, allocTemp));
+  
+  dataStartPos += baseOffset;
+  if (p->NumFolders == 0)
+    return SZ_ERROR_ARCHIVE;
+ 
+  for (fo = 0; fo < p->NumFolders; fo++)
+    Buf_Init(tempBufs + fo);
+  
+  for (fo = 0; fo < p->NumFolders; fo++)
+  {
+    CBuf *tempBuf = tempBufs + fo;
+    UInt64 unpackSize = SzAr_GetFolderUnpackSize(p, fo);
+    if ((size_t)unpackSize != unpackSize)
+      return SZ_ERROR_MEM;
+    if (!Buf_Create(tempBuf, (size_t)unpackSize, allocTemp))
+      return SZ_ERROR_MEM;
+  }
+  
+  for (fo = 0; fo < p->NumFolders; fo++)
+  {
+    const CBuf *tempBuf = tempBufs + fo;
+    RINOK(LookInStream_SeekTo(inStream, dataStartPos));
+    RINOK(SzAr_DecodeFolder(p, fo, inStream, dataStartPos, tempBuf->data, tempBuf->size, allocTemp));
+  }
+  
+  return SZ_OK;
+}
+
+static SRes SzReadFileNames(const Byte *data, size_t size, UInt32 numFiles, size_t *offsets)
+{
+  size_t pos = 0;
+  *offsets++ = 0;
+  if (numFiles == 0)
+    return (size == 0) ? SZ_OK : SZ_ERROR_ARCHIVE;
+  if (size < 2)
+    return SZ_ERROR_ARCHIVE;
+  if (data[size - 2] != 0 || data[size - 1] != 0)
+    return SZ_ERROR_ARCHIVE;
+  do
+  {
+    const Byte *p;
+    if (pos == size)
+      return SZ_ERROR_ARCHIVE;
+    for (p = data + pos;
+      #ifdef _WIN32
+      *(const UInt16 *)p != 0
+      #else
+      p[0] != 0 || p[1] != 0
+      #endif
+      ; p += 2);
+    pos = p - data + 2;
+    *offsets++ = (pos >> 1);
+  }
+  while (--numFiles);
+  return (pos == size) ? SZ_OK : SZ_ERROR_ARCHIVE;
+}
+
+static MY_NO_INLINE SRes ReadTime(CSzBitUi64s *p, UInt32 num,
+    CSzData *sd2,
+    const CBuf *tempBufs, UInt32 numTempBufs,
+    ISzAlloc *alloc)
+{
+  CSzData sd;
+  UInt32 i;
+  CNtfsFileTime *vals;
+  Byte *defs;
+  Byte external;
+  
+  RINOK(ReadBitVector(sd2, num, &p->Defs, alloc));
+  
+  SZ_READ_BYTE_SD(sd2, external);
+  if (external == 0)
+    sd = *sd2;
+  else
+  {
+    UInt32 index;
+    RINOK(SzReadNumber32(sd2, &index));
+    if (index >= numTempBufs)
+      return SZ_ERROR_ARCHIVE;
+    sd.Data = tempBufs[index].data;
+    sd.Size = tempBufs[index].size;
+  }
+  
+  MY_ALLOC_ZE(CNtfsFileTime, p->Vals, num, alloc);
+  vals = p->Vals;
+  defs = p->Defs;
+  for (i = 0; i < num; i++)
+    if (SzBitArray_Check(defs, i))
+    {
+      if (sd.Size < 8)
+        return SZ_ERROR_ARCHIVE;
+      vals[i].Low = GetUi32(sd.Data);
+      vals[i].High = GetUi32(sd.Data + 4);
+      SKIP_DATA2(sd, 8);
+    }
+    else
+      vals[i].High = vals[i].Low = 0;
+  
+  if (external == 0)
+    *sd2 = sd;
+  
+  return SZ_OK;
+}
+
+
+#define NUM_ADDITIONAL_STREAMS_MAX 8
+
+
+static SRes SzReadHeader2(
+    CSzArEx *p,   /* allocMain */
+    CSzData *sd,
+    ILookInStream *inStream,
+    CBuf *tempBufs, UInt32 *numTempBufs,
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp
+    )
+{
+  CSubStreamInfo ssi;
+
+{
+  UInt64 type;
+  
+  SzData_Clear(&ssi.sdSizes);
+  SzData_Clear(&ssi.sdCRCs);
+  SzData_Clear(&ssi.sdNumSubStreams);
+
+  ssi.NumSubDigests = 0;
+  ssi.NumTotalSubStreams = 0;
+
+  RINOK(ReadID(sd, &type));
+
+  if (type == k7zIdArchiveProperties)
+  {
+    for (;;)
+    {
+      UInt64 type2;
+      RINOK(ReadID(sd, &type2));
+      if (type2 == k7zIdEnd)
+        break;
+      RINOK(SkipData(sd));
+    }
+    RINOK(ReadID(sd, &type));
+  }
+
+  if (type == k7zIdAdditionalStreamsInfo)
+  {
+    CSzAr tempAr;
+    SRes res;
+    
+    SzAr_Init(&tempAr);
+    res = SzReadAndDecodePackedStreams(inStream, sd, tempBufs, NUM_ADDITIONAL_STREAMS_MAX,
+        p->startPosAfterHeader, &tempAr, allocTemp);
+    *numTempBufs = tempAr.NumFolders;
+    SzAr_Free(&tempAr, allocTemp);
+    
+    if (res != SZ_OK)
+      return res;
+    RINOK(ReadID(sd, &type));
+  }
+
+  if (type == k7zIdMainStreamsInfo)
+  {
+    RINOK(SzReadStreamsInfo(&p->db, sd, (UInt32)1 << 30, tempBufs, *numTempBufs,
+        &p->dataPos, &ssi, allocMain));
+    p->dataPos += p->startPosAfterHeader;
+    RINOK(ReadID(sd, &type));
+  }
+
+  if (type == k7zIdEnd)
+  {
+    return SZ_OK;
+  }
+
+  if (type != k7zIdFilesInfo)
+    return SZ_ERROR_ARCHIVE;
+}
+
+{
+  UInt32 numFiles = 0;
+  UInt32 numEmptyStreams = 0;
+  const Byte *emptyStreams = NULL;
+  const Byte *emptyFiles = NULL;
+  
+  RINOK(SzReadNumber32(sd, &numFiles));
+  p->NumFiles = numFiles;
+
+  for (;;)
+  {
+    UInt64 type;
+    UInt64 size;
+    RINOK(ReadID(sd, &type));
+    if (type == k7zIdEnd)
+      break;
+    RINOK(ReadNumber(sd, &size));
+    if (size > sd->Size)
+      return SZ_ERROR_ARCHIVE;
+    
+    if (type >= ((UInt32)1 << 8))
+    {
+      SKIP_DATA(sd, size);
+    }
+    else switch ((unsigned)type)
+    {
+      case k7zIdName:
+      {
+        size_t namesSize;
+        const Byte *namesData;
+        Byte external;
+
+        SZ_READ_BYTE(external);
+        if (external == 0)
+        {
+          namesSize = (size_t)size - 1;
+          namesData = sd->Data;
+        }
+        else
+        {
+          UInt32 index;
+          RINOK(SzReadNumber32(sd, &index));
+          if (index >= *numTempBufs)
+            return SZ_ERROR_ARCHIVE;
+          namesData = (tempBufs)[index].data;
+          namesSize = (tempBufs)[index].size;
+        }
+
+        if ((namesSize & 1) != 0)
+          return SZ_ERROR_ARCHIVE;
+        MY_ALLOC(size_t, p->FileNameOffsets, numFiles + 1, allocMain);
+        MY_ALLOC_ZE_AND_CPY(p->FileNames, namesSize, namesData, allocMain);
+        RINOK(SzReadFileNames(p->FileNames, namesSize, numFiles, p->FileNameOffsets))
+        if (external == 0)
+        {
+          SKIP_DATA(sd, namesSize);
+        }
+        break;
+      }
+      case k7zIdEmptyStream:
+      {
+        RINOK(RememberBitVector(sd, numFiles, &emptyStreams));
+        numEmptyStreams = CountDefinedBits(emptyStreams, numFiles);
+        emptyFiles = NULL;
+        break;
+      }
+      case k7zIdEmptyFile:
+      {
+        RINOK(RememberBitVector(sd, numEmptyStreams, &emptyFiles));
+        break;
+      }
+      case k7zIdWinAttrib:
+      {
+        Byte external;
+        CSzData sdSwitch;
+        CSzData *sdPtr;
+        SzBitUi32s_Free(&p->Attribs, allocMain);
+        RINOK(ReadBitVector(sd, numFiles, &p->Attribs.Defs, allocMain));
+
+        SZ_READ_BYTE(external);
+        if (external == 0)
+          sdPtr = sd;
+        else
+        {
+          UInt32 index;
+          RINOK(SzReadNumber32(sd, &index));
+          if (index >= *numTempBufs)
+            return SZ_ERROR_ARCHIVE;
+          sdSwitch.Data = (tempBufs)[index].data;
+          sdSwitch.Size = (tempBufs)[index].size;
+          sdPtr = &sdSwitch;
+        }
+        RINOK(ReadUi32s(sdPtr, numFiles, &p->Attribs, allocMain));
+        break;
+      }
+      /*
+      case k7zParent:
+      {
+        SzBitUi32s_Free(&p->Parents, allocMain);
+        RINOK(ReadBitVector(sd, numFiles, &p->Parents.Defs, allocMain));
+        RINOK(SzReadSwitch(sd));
+        RINOK(ReadUi32s(sd, numFiles, &p->Parents, allocMain));
+        break;
+      }
+      */
+      case k7zIdMTime: RINOK(ReadTime(&p->MTime, numFiles, sd, tempBufs, *numTempBufs, allocMain)); break;
+      case k7zIdCTime: RINOK(ReadTime(&p->CTime, numFiles, sd, tempBufs, *numTempBufs, allocMain)); break;
+      default:
+      {
+        SKIP_DATA(sd, size);
+      }
+    }
+  }
+
+  if (numFiles - numEmptyStreams != ssi.NumTotalSubStreams)
+    return SZ_ERROR_ARCHIVE;
+
+  for (;;)
+  {
+    UInt64 type;
+    RINOK(ReadID(sd, &type));
+    if (type == k7zIdEnd)
+      break;
+    RINOK(SkipData(sd));
+  }
+
+  {
+    UInt32 i;
+    UInt32 emptyFileIndex = 0;
+    UInt32 folderIndex = 0;
+    UInt32 remSubStreams = 0;
+    UInt32 numSubStreams = 0;
+    UInt64 unpackPos = 0;
+    const Byte *digestsDefs = NULL;
+    const Byte *digestsVals = NULL;
+    UInt32 digestsValsIndex = 0;
+    UInt32 digestIndex;
+    Byte allDigestsDefined = 0;
+    Byte isDirMask = 0;
+    Byte crcMask = 0;
+    Byte mask = 0x80;
+    
+    MY_ALLOC(UInt32, p->FolderToFile, p->db.NumFolders + 1, allocMain);
+    MY_ALLOC_ZE(UInt32, p->FileToFolder, p->NumFiles, allocMain);
+    MY_ALLOC(UInt64, p->UnpackPositions, p->NumFiles + 1, allocMain);
+    MY_ALLOC_ZE(Byte, p->IsDirs, (p->NumFiles + 7) >> 3, allocMain);
+
+    RINOK(SzBitUi32s_Alloc(&p->CRCs, p->NumFiles, allocMain));
+
+    if (ssi.sdCRCs.Size != 0)
+    {
+      SZ_READ_BYTE_SD(&ssi.sdCRCs, allDigestsDefined);
+      if (allDigestsDefined)
+        digestsVals = ssi.sdCRCs.Data;
+      else
+      {
+        size_t numBytes = (ssi.NumSubDigests + 7) >> 3;
+        digestsDefs = ssi.sdCRCs.Data;
+        digestsVals = digestsDefs + numBytes;
+      }
+    }
+
+    digestIndex = 0;
+    
+    for (i = 0; i < numFiles; i++, mask >>= 1)
+    {
+      if (mask == 0)
+      {
+        UInt32 byteIndex = (i - 1) >> 3;
+        p->IsDirs[byteIndex] = isDirMask;
+        p->CRCs.Defs[byteIndex] = crcMask;
+        isDirMask = 0;
+        crcMask = 0;
+        mask = 0x80;
+      }
+
+      p->UnpackPositions[i] = unpackPos;
+      p->CRCs.Vals[i] = 0;
+      
+      if (emptyStreams && SzBitArray_Check(emptyStreams, i))
+      {
+        if (emptyFiles)
+        {
+          if (!SzBitArray_Check(emptyFiles, emptyFileIndex))
+            isDirMask |= mask;
+          emptyFileIndex++;
+        }
+        else
+          isDirMask |= mask;
+        if (remSubStreams == 0)
+        {
+          p->FileToFolder[i] = (UInt32)-1;
+          continue;
+        }
+      }
+      
+      if (remSubStreams == 0)
+      {
+        for (;;)
+        {
+          if (folderIndex >= p->db.NumFolders)
+            return SZ_ERROR_ARCHIVE;
+          p->FolderToFile[folderIndex] = i;
+          numSubStreams = 1;
+          if (ssi.sdNumSubStreams.Data)
+          {
+            RINOK(SzReadNumber32(&ssi.sdNumSubStreams, &numSubStreams));
+          }
+          remSubStreams = numSubStreams;
+          if (numSubStreams != 0)
+            break;
+          {
+            UInt64 folderUnpackSize = SzAr_GetFolderUnpackSize(&p->db, folderIndex);
+            unpackPos += folderUnpackSize;
+            if (unpackPos < folderUnpackSize)
+              return SZ_ERROR_ARCHIVE;
+          }
+
+          folderIndex++;
+        }
+      }
+      
+      p->FileToFolder[i] = folderIndex;
+      
+      if (emptyStreams && SzBitArray_Check(emptyStreams, i))
+        continue;
+      
+      if (--remSubStreams == 0)
+      {
+        UInt64 folderUnpackSize = SzAr_GetFolderUnpackSize(&p->db, folderIndex);
+        UInt64 startFolderUnpackPos = p->UnpackPositions[p->FolderToFile[folderIndex]];
+        if (folderUnpackSize < unpackPos - startFolderUnpackPos)
+          return SZ_ERROR_ARCHIVE;
+        unpackPos = startFolderUnpackPos + folderUnpackSize;
+        if (unpackPos < folderUnpackSize)
+          return SZ_ERROR_ARCHIVE;
+
+        if (numSubStreams == 1 && SzBitWithVals_Check(&p->db.FolderCRCs, i))
+        {
+          p->CRCs.Vals[i] = p->db.FolderCRCs.Vals[folderIndex];
+          crcMask |= mask;
+        }
+        else if (allDigestsDefined || (digestsDefs && SzBitArray_Check(digestsDefs, digestIndex)))
+        {
+          p->CRCs.Vals[i] = GetUi32(digestsVals + (size_t)digestsValsIndex * 4);
+          digestsValsIndex++;
+          crcMask |= mask;
+        }
+        
+        folderIndex++;
+      }
+      else
+      {
+        UInt64 v;
+        RINOK(ReadNumber(&ssi.sdSizes, &v));
+        unpackPos += v;
+        if (unpackPos < v)
+          return SZ_ERROR_ARCHIVE;
+        if (allDigestsDefined || (digestsDefs && SzBitArray_Check(digestsDefs, digestIndex)))
+        {
+          p->CRCs.Vals[i] = GetUi32(digestsVals + (size_t)digestsValsIndex * 4);
+          digestsValsIndex++;
+          crcMask |= mask;
+        }
+      }
+    }
+
+    if (mask != 0x80)
+    {
+      UInt32 byteIndex = (i - 1) >> 3;
+      p->IsDirs[byteIndex] = isDirMask;
+      p->CRCs.Defs[byteIndex] = crcMask;
+    }
+    
+    p->UnpackPositions[i] = unpackPos;
+
+    if (remSubStreams != 0)
+      return SZ_ERROR_ARCHIVE;
+
+    for (;;)
+    {
+      p->FolderToFile[folderIndex] = i;
+      if (folderIndex >= p->db.NumFolders)
+        break;
+      if (!ssi.sdNumSubStreams.Data)
+        return SZ_ERROR_ARCHIVE;
+      RINOK(SzReadNumber32(&ssi.sdNumSubStreams, &numSubStreams));
+      if (numSubStreams != 0)
+        return SZ_ERROR_ARCHIVE;
+      /*
+      {
+        UInt64 folderUnpackSize = SzAr_GetFolderUnpackSize(&p->db, folderIndex);
+        unpackPos += folderUnpackSize;
+        if (unpackPos < folderUnpackSize)
+          return SZ_ERROR_ARCHIVE;
+      }
+      */
+      folderIndex++;
+    }
+
+    if (ssi.sdNumSubStreams.Data && ssi.sdNumSubStreams.Size != 0)
+      return SZ_ERROR_ARCHIVE;
+  }
+}
+  return SZ_OK;
+}
+
+
+static SRes SzReadHeader(
+    CSzArEx *p,
+    CSzData *sd,
+    ILookInStream *inStream,
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp)
+{
+  UInt32 i;
+  UInt32 numTempBufs = 0;
+  SRes res;
+  CBuf tempBufs[NUM_ADDITIONAL_STREAMS_MAX];
+
+  for (i = 0; i < NUM_ADDITIONAL_STREAMS_MAX; i++)
+    Buf_Init(tempBufs + i);
+  
+  res = SzReadHeader2(p, sd, inStream,
+      tempBufs, &numTempBufs,
+      allocMain, allocTemp);
+  
+  for (i = 0; i < NUM_ADDITIONAL_STREAMS_MAX; i++)
+    Buf_Free(tempBufs + i, allocTemp);
+
+  RINOK(res);
+
+  if (sd->Size != 0)
+    return SZ_ERROR_FAIL;
+
+  return res;
+}
+
+static SRes SzArEx_Open2(
+    CSzArEx *p,
+    ILookInStream *inStream,
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp)
+{
+  Byte header[k7zStartHeaderSize];
+  Int64 startArcPos;
+  UInt64 nextHeaderOffset, nextHeaderSize;
+  size_t nextHeaderSizeT;
+  UInt32 nextHeaderCRC;
+  CBuf buf;
+  SRes res;
+
+  startArcPos = 0;
+  RINOK(inStream->Seek(inStream, &startArcPos, SZ_SEEK_CUR));
+
+  RINOK(LookInStream_Read2(inStream, header, k7zStartHeaderSize, SZ_ERROR_NO_ARCHIVE));
+
+  if (!TestSignatureCandidate(header))
+    return SZ_ERROR_NO_ARCHIVE;
+  if (header[6] != k7zMajorVersion)
+    return SZ_ERROR_UNSUPPORTED;
+
+  nextHeaderOffset = GetUi64(header + 12);
+  nextHeaderSize = GetUi64(header + 20);
+  nextHeaderCRC = GetUi32(header + 28);
+
+  p->startPosAfterHeader = startArcPos + k7zStartHeaderSize;
+  
+  if (CrcCalc(header + 12, 20) != GetUi32(header + 8))
+    return SZ_ERROR_CRC;
+
+  nextHeaderSizeT = (size_t)nextHeaderSize;
+  if (nextHeaderSizeT != nextHeaderSize)
+    return SZ_ERROR_MEM;
+  if (nextHeaderSizeT == 0)
+    return SZ_OK;
+  if (nextHeaderOffset > nextHeaderOffset + nextHeaderSize ||
+      nextHeaderOffset > nextHeaderOffset + nextHeaderSize + k7zStartHeaderSize)
+    return SZ_ERROR_NO_ARCHIVE;
+
+  {
+    Int64 pos = 0;
+    RINOK(inStream->Seek(inStream, &pos, SZ_SEEK_END));
+    if ((UInt64)pos < startArcPos + nextHeaderOffset ||
+        (UInt64)pos < startArcPos + k7zStartHeaderSize + nextHeaderOffset ||
+        (UInt64)pos < startArcPos + k7zStartHeaderSize + nextHeaderOffset + nextHeaderSize)
+      return SZ_ERROR_INPUT_EOF;
+  }
+
+  RINOK(LookInStream_SeekTo(inStream, startArcPos + k7zStartHeaderSize + nextHeaderOffset));
+
+  if (!Buf_Create(&buf, nextHeaderSizeT, allocTemp))
+    return SZ_ERROR_MEM;
+
+  res = LookInStream_Read(inStream, buf.data, nextHeaderSizeT);
+  
+  if (res == SZ_OK)
+  {
+    res = SZ_ERROR_ARCHIVE;
+    if (CrcCalc(buf.data, nextHeaderSizeT) == nextHeaderCRC)
+    {
+      CSzData sd;
+      UInt64 type;
+      sd.Data = buf.data;
+      sd.Size = buf.size;
+      
+      res = ReadID(&sd, &type);
+      
+      if (res == SZ_OK && type == k7zIdEncodedHeader)
+      {
+        CSzAr tempAr;
+        CBuf tempBuf;
+        Buf_Init(&tempBuf);
+        
+        SzAr_Init(&tempAr);
+        res = SzReadAndDecodePackedStreams(inStream, &sd, &tempBuf, 1, p->startPosAfterHeader, &tempAr, allocTemp);
+        SzAr_Free(&tempAr, allocTemp);
+       
+        if (res != SZ_OK)
+        {
+          Buf_Free(&tempBuf, allocTemp);
+        }
+        else
+        {
+          Buf_Free(&buf, allocTemp);
+          buf.data = tempBuf.data;
+          buf.size = tempBuf.size;
+          sd.Data = buf.data;
+          sd.Size = buf.size;
+          res = ReadID(&sd, &type);
+        }
+      }
+  
+      if (res == SZ_OK)
+      {
+        if (type == k7zIdHeader)
+        {
+          /*
+          CSzData sd2;
+          unsigned ttt;
+          for (ttt = 0; ttt < 40000; ttt++)
+          {
+            SzArEx_Free(p, allocMain);
+            sd2 = sd;
+            res = SzReadHeader(p, &sd2, inStream, allocMain, allocTemp);
+            if (res != SZ_OK)
+              break;
+          }
+          */
+          res = SzReadHeader(p, &sd, inStream, allocMain, allocTemp);
+        }
+        else
+          res = SZ_ERROR_UNSUPPORTED;
+      }
+    }
+  }
+ 
+  Buf_Free(&buf, allocTemp);
+  return res;
+}
+
+
+static SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream,
+    ISzAlloc *allocMain, ISzAlloc *allocTemp)
+{
+  SRes res = SzArEx_Open2(p, inStream, allocMain, allocTemp);
+  if (res != SZ_OK)
+    SzArEx_Free(p, allocMain);
+  return res;
+}
+
+
+static SRes SzArEx_Extract(
+    const CSzArEx *p,
+    ILookInStream *inStream,
+    UInt32 fileIndex,
+    UInt32 *blockIndex,
+    Byte **tempBuf,
+    size_t *outBufferSize,
+    size_t *offset,
+    size_t *outSizeProcessed,
+    ISzAlloc *allocMain,
+    ISzAlloc *allocTemp)
+{
+  UInt32 folderIndex = p->FileToFolder[fileIndex];
+  SRes res = SZ_OK;
+  
+  *offset = 0;
+  *outSizeProcessed = 0;
+  
+  if (folderIndex == (UInt32)-1)
+  {
+    IAlloc_Free(allocMain, *tempBuf);
+    *blockIndex = folderIndex;
+    *tempBuf = NULL;
+    *outBufferSize = 0;
+    return SZ_OK;
+  }
+
+  if (*tempBuf == NULL || *blockIndex != folderIndex)
+  {
+    UInt64 unpackSizeSpec = SzAr_GetFolderUnpackSize(&p->db, folderIndex);
+    /*
+    UInt64 unpackSizeSpec =
+        p->UnpackPositions[p->FolderToFile[folderIndex + 1]] -
+        p->UnpackPositions[p->FolderToFile[folderIndex]];
+    */
+    size_t unpackSize = (size_t)unpackSizeSpec;
+
+    if (unpackSize != unpackSizeSpec)
+      return SZ_ERROR_MEM;
+    *blockIndex = folderIndex;
+    IAlloc_Free(allocMain, *tempBuf);
+    *tempBuf = NULL;
+    
+    if (res == SZ_OK)
+    {
+      *outBufferSize = unpackSize;
+      if (unpackSize != 0)
+      {
+        *tempBuf = (Byte *)IAlloc_Alloc(allocMain, unpackSize);
+        if (*tempBuf == NULL)
+          res = SZ_ERROR_MEM;
+      }
+  
+      if (res == SZ_OK)
+      {
+        res = SzAr_DecodeFolder(&p->db, folderIndex,
+            inStream, p->dataPos, *tempBuf, unpackSize, allocTemp);
+      }
+    }
+  }
+
+  if (res == SZ_OK)
+  {
+    UInt64 unpackPos = p->UnpackPositions[fileIndex];
+    *offset = (size_t)(unpackPos - p->UnpackPositions[p->FolderToFile[folderIndex]]);
+    *outSizeProcessed = (size_t)(p->UnpackPositions[fileIndex + 1] - unpackPos);
+    if (*offset + *outSizeProcessed > *outBufferSize)
+      return SZ_ERROR_FAIL;
+    if (SzBitWithVals_Check(&p->CRCs, fileIndex))
+      if (CrcCalc(*tempBuf + *offset, *outSizeProcessed) != p->CRCs.Vals[fileIndex])
+        res = SZ_ERROR_CRC;
+  }
+
+  return res;
+}
+
+
+static size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, UInt16 *dest)
+{
+  size_t offs = p->FileNameOffsets[fileIndex];
+  size_t len = p->FileNameOffsets[fileIndex + 1] - offs;
+  if (dest != 0)
+  {
+    size_t i;
+    const Byte *src = p->FileNames + offs * 2;
+    for (i = 0; i < len; i++)
+      dest[i] = GetUi16(src + i * 2);
+  }
+  return len;
+}
+
+/*
+static size_t SzArEx_GetFullNameLen(const CSzArEx *p, size_t fileIndex)
+{
+  size_t len;
+  if (!p->FileNameOffsets)
+    return 1;
+  len = 0;
+  for (;;)
+  {
+    UInt32 parent = (UInt32)(Int32)-1;
+    len += p->FileNameOffsets[fileIndex + 1] - p->FileNameOffsets[fileIndex];
+    if SzBitWithVals_Check(&p->Parents, fileIndex)
+      parent = p->Parents.Vals[fileIndex];
+    if (parent == (UInt32)(Int32)-1)
+      return len;
+    fileIndex = parent;
+  }
+}
+
+static UInt16 *SzArEx_GetFullNameUtf16_Back(const CSzArEx *p, size_t fileIndex, UInt16 *dest)
+{
+  Bool needSlash;
+  if (!p->FileNameOffsets)
+  {
+    *(--dest) = 0;
+    return dest;
+  }
+  needSlash = False;
+  for (;;)
+  {
+    UInt32 parent = (UInt32)(Int32)-1;
+    size_t curLen = p->FileNameOffsets[fileIndex + 1] - p->FileNameOffsets[fileIndex];
+    SzArEx_GetFileNameUtf16(p, fileIndex, dest - curLen);
+    if (needSlash)
+      *(dest - 1) = '/';
+    needSlash = True;
+    dest -= curLen;
+
+    if SzBitWithVals_Check(&p->Parents, fileIndex)
+      parent = p->Parents.Vals[fileIndex];
+    if (parent == (UInt32)(Int32)-1)
+      return dest;
+    fileIndex = parent;
+  }
+}
+*/
+
+/* 7zBuf.c -- Byte Buffer
+2013-01-21 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "7zBuf.h"
+*/
+
+static void Buf_Init(CBuf *p)
+{
+  p->data = 0;
+  p->size = 0;
+}
+
+static int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc)
+{
+  p->size = 0;
+  if (size == 0)
+  {
+    p->data = 0;
+    return 1;
+  }
+  p->data = (Byte *)alloc->Alloc(alloc, size);
+  if (p->data != 0)
+  {
+    p->size = size;
+    return 1;
+  }
+  return 0;
+}
+
+static void Buf_Free(CBuf *p, ISzAlloc *alloc)
+{
+  alloc->Free(alloc, p->data);
+  p->data = 0;
+  p->size = 0;
+}
+
+/* 7zDec.c -- Decoding from 7z folder
+2015-11-18 : Igor Pavlov : Public domain */
+
+/* #define _7ZIP_PPMD_SUPPPORT */
+
+/*
+#include "Precomp.h"
+
+#include <string.h>
+
+#include "7z.h"
+#include "7zCrc.h"
+
+#include "Bcj2.h"
+#include "Bra.h"
+#include "CpuArch.h"
+#include "Delta.h"
+#include "LzmaDec.h"
+#include "Lzma2Dec.h"
+#ifdef _7ZIP_PPMD_SUPPPORT
+#include "Ppmd7.h"
+#endif
+*/
+
+#define k_Copy 0
+#define k_Delta 3
+#define k_LZMA2 0x21
+#define k_LZMA  0x30101
+#define k_BCJ   0x3030103
+#define k_BCJ2  0x303011B
+#define k_PPC   0x3030205
+#define k_IA64  0x3030401
+#define k_ARM   0x3030501
+#define k_ARMT  0x3030701
+#define k_SPARC 0x3030805
+
+
+#ifdef _7ZIP_PPMD_SUPPPORT
+
+#define k_PPMD 0x30401
+
+typedef struct
+{
+  IByteIn p;
+  const Byte *cur;
+  const Byte *end;
+  const Byte *begin;
+  UInt64 processed;
+  Bool extra;
+  SRes res;
+  ILookInStream *inStream;
+} CByteInToLook;
+
+static Byte ReadByte(void *pp)
+{
+  CByteInToLook *p = (CByteInToLook *)pp;
+  if (p->cur != p->end)
+    return *p->cur++;
+  if (p->res == SZ_OK)
+  {
+    size_t size = p->cur - p->begin;
+    p->processed += size;
+    p->res = p->inStream->Skip(p->inStream, size);
+    size = (1 << 25);
+    p->res = p->inStream->Look(p->inStream, (const void **)&p->begin, &size);
+    p->cur = p->begin;
+    p->end = p->begin + size;
+    if (size != 0)
+      return *p->cur++;;
+  }
+  p->extra = True;
+  return 0;
+}
+
+static SRes SzDecodePpmd(const Byte *props, unsigned propsSize, UInt64 inSize, ILookInStream *inStream,
+    Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain)
+{
+  CPpmd7 ppmd;
+  CByteInToLook s;
+  SRes res = SZ_OK;
+
+  s.p.Read = ReadByte;
+  s.inStream = inStream;
+  s.begin = s.end = s.cur = NULL;
+  s.extra = False;
+  s.res = SZ_OK;
+  s.processed = 0;
+
+  if (propsSize != 5)
+    return SZ_ERROR_UNSUPPORTED;
+
+  {
+    unsigned order = props[0];
+    UInt32 memSize = GetUi32(props + 1);
+    if (order < PPMD7_MIN_ORDER ||
+        order > PPMD7_MAX_ORDER ||
+        memSize < PPMD7_MIN_MEM_SIZE ||
+        memSize > PPMD7_MAX_MEM_SIZE)
+      return SZ_ERROR_UNSUPPORTED;
+    Ppmd7_Construct(&ppmd);
+    if (!Ppmd7_Alloc(&ppmd, memSize, allocMain))
+      return SZ_ERROR_MEM;
+    Ppmd7_Init(&ppmd, order);
+  }
+  {
+    CPpmd7z_RangeDec rc;
+    Ppmd7z_RangeDec_CreateVTable(&rc);
+    rc.Stream = &s.p;
+    if (!Ppmd7z_RangeDec_Init(&rc))
+      res = SZ_ERROR_DATA;
+    else if (s.extra)
+      res = (s.res != SZ_OK ? s.res : SZ_ERROR_DATA);
+    else
+    {
+      SizeT i;
+      for (i = 0; i < outSize; i++)
+      {
+        int sym = Ppmd7_DecodeSymbol(&ppmd, &rc.p);
+        if (s.extra || sym < 0)
+          break;
+        outBuffer[i] = (Byte)sym;
+      }
+      if (i != outSize)
+        res = (s.res != SZ_OK ? s.res : SZ_ERROR_DATA);
+      else if (s.processed + (s.cur - s.begin) != inSize || !Ppmd7z_RangeDec_IsFinishedOK(&rc))
+        res = SZ_ERROR_DATA;
+    }
+  }
+  Ppmd7_Free(&ppmd, allocMain);
+  return res;
+}
+
+#endif
+
+
+static SRes SzDecodeLzma(const Byte *props, unsigned propsSize, UInt64 inSize, ILookInStream *inStream,
+    Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain)
+{
+  CLzmaDec state;
+  SRes res = SZ_OK;
+
+  LzmaDec_Construct(&state);
+  RINOK(LzmaDec_AllocateProbs(&state, props, propsSize, allocMain));
+  state.dic = outBuffer;
+  state.dicBufSize = outSize;
+  LzmaDec_Init(&state);
+
+  for (;;)
+  {
+    const void *inBuf = NULL;
+    size_t lookahead = (1 << 18);
+    if (lookahead > inSize)
+      lookahead = (size_t)inSize;
+    res = inStream->Look(inStream, &inBuf, &lookahead);
+    if (res != SZ_OK)
+      break;
+
+    {
+      SizeT inProcessed = (SizeT)lookahead, dicPos = state.dicPos;
+      ELzmaStatus status;
+      res = LzmaDec_DecodeToDic(&state, outSize, inBuf, &inProcessed, LZMA_FINISH_END, &status);
+      lookahead -= inProcessed;
+      inSize -= inProcessed;
+      if (res != SZ_OK)
+        break;
+
+      if (status == LZMA_STATUS_FINISHED_WITH_MARK)
+      {
+        if (outSize != state.dicPos || inSize != 0)
+          res = SZ_ERROR_DATA;
+        break;
+      }
+
+      if (outSize == state.dicPos && inSize == 0 && status == LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK)
+        break;
+
+      if (inProcessed == 0 && dicPos == state.dicPos)
+      {
+        res = SZ_ERROR_DATA;
+        break;
+      }
+
+      res = inStream->Skip((void *)inStream, inProcessed);
+      if (res != SZ_OK)
+        break;
+    }
+  }
+
+  LzmaDec_FreeProbs(&state, allocMain);
+  return res;
+}
+
+
+#ifndef _7Z_NO_METHOD_LZMA2
+
+static SRes SzDecodeLzma2(const Byte *props, unsigned propsSize, UInt64 inSize, ILookInStream *inStream,
+    Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain)
+{
+  CLzma2Dec state;
+  SRes res = SZ_OK;
+
+  Lzma2Dec_Construct(&state);
+  if (propsSize != 1)
+    return SZ_ERROR_DATA;
+  RINOK(Lzma2Dec_AllocateProbs(&state, props[0], allocMain));
+  state.decoder.dic = outBuffer;
+  state.decoder.dicBufSize = outSize;
+  Lzma2Dec_Init(&state);
+
+  for (;;)
+  {
+    const void *inBuf = NULL;
+    size_t lookahead = (1 << 18);
+    if (lookahead > inSize)
+      lookahead = (size_t)inSize;
+    res = inStream->Look(inStream, &inBuf, &lookahead);
+    if (res != SZ_OK)
+      break;
+
+    {
+      SizeT inProcessed = (SizeT)lookahead, dicPos = state.decoder.dicPos;
+      ELzmaStatus status;
+      res = Lzma2Dec_DecodeToDic(&state, outSize, inBuf, &inProcessed, LZMA_FINISH_END, &status);
+      lookahead -= inProcessed;
+      inSize -= inProcessed;
+      if (res != SZ_OK)
+        break;
+
+      if (status == LZMA_STATUS_FINISHED_WITH_MARK)
+      {
+        if (outSize != state.decoder.dicPos || inSize != 0)
+          res = SZ_ERROR_DATA;
+        break;
+      }
+
+      if (inProcessed == 0 && dicPos == state.decoder.dicPos)
+      {
+        res = SZ_ERROR_DATA;
+        break;
+      }
+
+      res = inStream->Skip((void *)inStream, inProcessed);
+      if (res != SZ_OK)
+        break;
+    }
+  }
+
+  Lzma2Dec_FreeProbs(&state, allocMain);
+  return res;
+}
+
+#endif
+
+
+static SRes SzDecodeCopy(UInt64 inSize, ILookInStream *inStream, Byte *outBuffer)
+{
+  while (inSize > 0)
+  {
+    const void *inBuf;
+    size_t curSize = (1 << 18);
+    if (curSize > inSize)
+      curSize = (size_t)inSize;
+    RINOK(inStream->Look(inStream, &inBuf, &curSize));
+    if (curSize == 0)
+      return SZ_ERROR_INPUT_EOF;
+    memcpy(outBuffer, inBuf, curSize);
+    outBuffer += curSize;
+    inSize -= curSize;
+    RINOK(inStream->Skip((void *)inStream, curSize));
+  }
+  return SZ_OK;
+}
+
+static Bool IS_MAIN_METHOD(UInt32 m)
+{
+  switch (m)
+  {
+    case k_Copy:
+    case k_LZMA:
+    #ifndef _7Z_NO_METHOD_LZMA2
+    case k_LZMA2:
+    #endif
+    #ifdef _7ZIP_PPMD_SUPPPORT
+    case k_PPMD:
+    #endif
+      return True;
+  }
+  return False;
+}
+
+static Bool IS_SUPPORTED_CODER(const CSzCoderInfo *c)
+{
+  return
+      c->NumStreams == 1
+      /* && c->MethodID <= (UInt32)0xFFFFFFFF */
+      && IS_MAIN_METHOD((UInt32)c->MethodID);
+}
+
+#define IS_BCJ2(c) ((c)->MethodID == k_BCJ2 && (c)->NumStreams == 4)
+
+static SRes CheckSupportedFolder(const CSzFolder *f)
+{
+  if (f->NumCoders < 1 || f->NumCoders > 4)
+    return SZ_ERROR_UNSUPPORTED;
+  if (!IS_SUPPORTED_CODER(&f->Coders[0]))
+    return SZ_ERROR_UNSUPPORTED;
+  if (f->NumCoders == 1)
+  {
+    if (f->NumPackStreams != 1 || f->PackStreams[0] != 0 || f->NumBonds != 0)
+      return SZ_ERROR_UNSUPPORTED;
+    return SZ_OK;
+  }
+  
+  
+  #ifndef _7Z_NO_METHODS_FILTERS
+
+  if (f->NumCoders == 2)
+  {
+    const CSzCoderInfo *c = &f->Coders[1];
+    if (
+        /* c->MethodID > (UInt32)0xFFFFFFFF || */
+        c->NumStreams != 1
+        || f->NumPackStreams != 1
+        || f->PackStreams[0] != 0
+        || f->NumBonds != 1
+        || f->Bonds[0].InIndex != 1
+        || f->Bonds[0].OutIndex != 0)
+      return SZ_ERROR_UNSUPPORTED;
+    switch ((UInt32)c->MethodID)
+    {
+      case k_Delta:
+      case k_BCJ:
+      case k_PPC:
+      case k_IA64:
+      case k_SPARC:
+      case k_ARM:
+      case k_ARMT:
+        break;
+      default:
+        return SZ_ERROR_UNSUPPORTED;
+    }
+    return SZ_OK;
+  }
+
+  #endif
+
+  
+  if (f->NumCoders == 4)
+  {
+    if (!IS_SUPPORTED_CODER(&f->Coders[1])
+        || !IS_SUPPORTED_CODER(&f->Coders[2])
+        || !IS_BCJ2(&f->Coders[3]))
+      return SZ_ERROR_UNSUPPORTED;
+    if (f->NumPackStreams != 4
+        || f->PackStreams[0] != 2
+        || f->PackStreams[1] != 6
+        || f->PackStreams[2] != 1
+        || f->PackStreams[3] != 0
+        || f->NumBonds != 3
+        || f->Bonds[0].InIndex != 5 || f->Bonds[0].OutIndex != 0
+        || f->Bonds[1].InIndex != 4 || f->Bonds[1].OutIndex != 1
+        || f->Bonds[2].InIndex != 3 || f->Bonds[2].OutIndex != 2)
+      return SZ_ERROR_UNSUPPORTED;
+    return SZ_OK;
+  }
+  
+  return SZ_ERROR_UNSUPPORTED;
+}
+
+#define CASE_BRA_CONV(isa) case k_ ## isa: isa ## _Convert(outBuffer, outSize, 0, 0); break;
+
+static SRes SzFolder_Decode2(const CSzFolder *folder,
+    const Byte *propsData,
+    const UInt64 *unpackSizes,
+    const UInt64 *packPositions,
+    ILookInStream *inStream, UInt64 startPos,
+    Byte *outBuffer, SizeT outSize, ISzAlloc *allocMain,
+    Byte *tempBuf[])
+{
+  UInt32 ci;
+  SizeT tempSizes[3] = { 0, 0, 0};
+  SizeT tempSize3 = 0;
+  Byte *tempBuf3 = 0;
+
+  RINOK(CheckSupportedFolder(folder));
+
+  for (ci = 0; ci < folder->NumCoders; ci++)
+  {
+    const CSzCoderInfo *coder = &folder->Coders[ci];
+
+    if (IS_MAIN_METHOD((UInt32)coder->MethodID))
+    {
+      UInt32 si = 0;
+      UInt64 offset;
+      UInt64 inSize;
+      Byte *outBufCur = outBuffer;
+      SizeT outSizeCur = outSize;
+      if (folder->NumCoders == 4)
+      {
+        UInt32 indices[] = { 3, 2, 0 };
+        UInt64 unpackSize = unpackSizes[ci];
+        si = indices[ci];
+        if (ci < 2)
+        {
+          Byte *temp;
+          outSizeCur = (SizeT)unpackSize;
+          if (outSizeCur != unpackSize)
+            return SZ_ERROR_MEM;
+          temp = (Byte *)IAlloc_Alloc(allocMain, outSizeCur);
+          if (!temp && outSizeCur != 0)
+            return SZ_ERROR_MEM;
+          outBufCur = tempBuf[1 - ci] = temp;
+          tempSizes[1 - ci] = outSizeCur;
+        }
+        else if (ci == 2)
+        {
+          if (unpackSize > outSize) /* check it */
+            return SZ_ERROR_PARAM;
+          tempBuf3 = outBufCur = outBuffer + (outSize - (size_t)unpackSize);
+          tempSize3 = outSizeCur = (SizeT)unpackSize;
+        }
+        else
+          return SZ_ERROR_UNSUPPORTED;
+      }
+      offset = packPositions[si];
+      inSize = packPositions[si + 1] - offset;
+      RINOK(LookInStream_SeekTo(inStream, startPos + offset));
+
+      if (coder->MethodID == k_Copy)
+      {
+        if (inSize != outSizeCur) /* check it */
+          return SZ_ERROR_DATA;
+        RINOK(SzDecodeCopy(inSize, inStream, outBufCur));
+      }
+      else if (coder->MethodID == k_LZMA)
+      {
+        RINOK(SzDecodeLzma(propsData + coder->PropsOffset, coder->PropsSize, inSize, inStream, outBufCur, outSizeCur, allocMain));
+      }
+      #ifndef _7Z_NO_METHOD_LZMA2
+      else if (coder->MethodID == k_LZMA2)
+      {
+        RINOK(SzDecodeLzma2(propsData + coder->PropsOffset, coder->PropsSize, inSize, inStream, outBufCur, outSizeCur, allocMain));
+      }
+      #endif
+      #ifdef _7ZIP_PPMD_SUPPPORT
+      else if (coder->MethodID == k_PPMD)
+      {
+        RINOK(SzDecodePpmd(propsData + coder->PropsOffset, coder->PropsSize, inSize, inStream, outBufCur, outSizeCur, allocMain));
+      }
+      #endif
+      else
+        return SZ_ERROR_UNSUPPORTED;
+    }
+    else if (coder->MethodID == k_BCJ2)
+    {
+      UInt64 offset = packPositions[1];
+      UInt64 s3Size = packPositions[2] - offset;
+      
+      if (ci != 3)
+        return SZ_ERROR_UNSUPPORTED;
+      
+      tempSizes[2] = (SizeT)s3Size;
+      if (tempSizes[2] != s3Size)
+        return SZ_ERROR_MEM;
+      tempBuf[2] = (Byte *)IAlloc_Alloc(allocMain, tempSizes[2]);
+      if (!tempBuf[2] && tempSizes[2] != 0)
+        return SZ_ERROR_MEM;
+      
+      RINOK(LookInStream_SeekTo(inStream, startPos + offset));
+      RINOK(SzDecodeCopy(s3Size, inStream, tempBuf[2]));
+
+      if ((tempSizes[0] & 3) != 0 ||
+          (tempSizes[1] & 3) != 0 ||
+          tempSize3 + tempSizes[0] + tempSizes[1] != outSize)
+        return SZ_ERROR_DATA;
+
+      {
+        CBcj2Dec p;
+        
+        p.bufs[0] = tempBuf3;   p.lims[0] = tempBuf3 + tempSize3;
+        p.bufs[1] = tempBuf[0]; p.lims[1] = tempBuf[0] + tempSizes[0];
+        p.bufs[2] = tempBuf[1]; p.lims[2] = tempBuf[1] + tempSizes[1];
+        p.bufs[3] = tempBuf[2]; p.lims[3] = tempBuf[2] + tempSizes[2];
+        
+        p.dest = outBuffer;
+        p.destLim = outBuffer + outSize;
+        
+        Bcj2Dec_Init(&p);
+        RINOK(Bcj2Dec_Decode(&p));
+
+        {
+          unsigned i;
+          for (i = 0; i < 4; i++)
+            if (p.bufs[i] != p.lims[i])
+              return SZ_ERROR_DATA;
+          
+          if (!Bcj2Dec_IsFinished(&p))
+            return SZ_ERROR_DATA;
+
+          if (p.dest != p.destLim
+             || p.state != BCJ2_STREAM_MAIN)
+            return SZ_ERROR_DATA;
+        }
+      }
+    }
+    #ifndef _7Z_NO_METHODS_FILTERS
+    else if (ci == 1)
+    {
+      if (coder->MethodID == k_Delta)
+      {
+        if (coder->PropsSize != 1)
+          return SZ_ERROR_UNSUPPORTED;
+        {
+          Byte state[DELTA_STATE_SIZE];
+          Delta_Init(state);
+          Delta_Decode(state, (unsigned)(propsData[coder->PropsOffset]) + 1, outBuffer, outSize);
+        }
+      }
+      else
+      {
+        if (coder->PropsSize != 0)
+          return SZ_ERROR_UNSUPPORTED;
+        switch (coder->MethodID)
+        {
+          case k_BCJ:
+          {
+            UInt32 state;
+            x86_Convert_Init(state);
+            x86_Convert(outBuffer, outSize, 0, &state, 0);
+            break;
+          }
+          CASE_BRA_CONV(PPC)
+          CASE_BRA_CONV(IA64)
+          CASE_BRA_CONV(SPARC)
+          CASE_BRA_CONV(ARM)
+          CASE_BRA_CONV(ARMT)
+          default:
+            return SZ_ERROR_UNSUPPORTED;
+        }
+      }
+    }
+    #endif
+    else
+      return SZ_ERROR_UNSUPPORTED;
+  }
+
+  return SZ_OK;
+}
+
+
+static SRes SzAr_DecodeFolder(const CSzAr *p, UInt32 folderIndex,
+    ILookInStream *inStream, UInt64 startPos,
+    Byte *outBuffer, size_t outSize,
+    ISzAlloc *allocMain)
+{
+  SRes res;
+  CSzFolder folder;
+  CSzData sd;
+  
+  const Byte *data = p->CodersData + p->FoCodersOffsets[folderIndex];
+  sd.Data = data;
+  sd.Size = p->FoCodersOffsets[folderIndex + 1] - p->FoCodersOffsets[folderIndex];
+  
+  res = SzGetNextFolderItem(&folder, &sd);
+  
+  if (res != SZ_OK)
+    return res;
+
+  if (sd.Size != 0
+      || folder.UnpackStream != p->FoToMainUnpackSizeIndex[folderIndex]
+      || outSize != SzAr_GetFolderUnpackSize(p, folderIndex))
+    return SZ_ERROR_FAIL;
+  {
+    unsigned i;
+    Byte *tempBuf[3] = { 0, 0, 0};
+
+    res = SzFolder_Decode2(&folder, data,
+        &p->CoderUnpackSizes[p->FoToCoderUnpackSizes[folderIndex]],
+        p->PackPositions + p->FoStartPackStreamIndex[folderIndex],
+        inStream, startPos,
+        outBuffer, (SizeT)outSize, allocMain, tempBuf);
+    
+    for (i = 0; i < 3; i++)
+      IAlloc_Free(allocMain, tempBuf[i]);
+
+    if (res == SZ_OK)
+      if (SzBitWithVals_Check(&p->FolderCRCs, folderIndex))
+        if (CrcCalc(outBuffer, outSize) != p->FolderCRCs.Vals[folderIndex])
+          res = SZ_ERROR_CRC;
+
+    return res;
+  }
+}
+
+/* Bcj2.c -- BCJ2 Decoder (Converter for x86 code)
+2015-08-01 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "Bcj2.h"
+#include "CpuArch.h"
+*/
+
+#define CProb UInt16
+
+#define kTopValue ((UInt32)1 << 24)
+#define kNumModelBits 11
+#define kBitModelTotal (1 << kNumModelBits)
+#define kNumMoveBits 5
+
+#define _IF_BIT_0 ttt = *prob; bound = (p->range >> kNumModelBits) * ttt; if (p->code < bound)
+#define _UPDATE_0 p->range = bound; *prob = (CProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits));
+#define _UPDATE_1 p->range -= bound; p->code -= bound; *prob = (CProb)(ttt - (ttt >> kNumMoveBits));
+
+static void Bcj2Dec_Init(CBcj2Dec *p)
+{
+  unsigned i;
+
+  p->state = BCJ2_DEC_STATE_OK;
+  p->ip = 0;
+  p->temp[3] = 0;
+  p->range = 0;
+  p->code = 0;
+  for (i = 0; i < sizeof(p->probs) / sizeof(p->probs[0]); i++)
+    p->probs[i] = kBitModelTotal >> 1;
+}
+
+static SRes Bcj2Dec_Decode(CBcj2Dec *p)
+{
+  if (p->range <= 5)
+  {
+    p->state = BCJ2_DEC_STATE_OK;
+    for (; p->range != 5; p->range++)
+    {
+      if (p->range == 1 && p->code != 0)
+        return SZ_ERROR_DATA;
+      
+      if (p->bufs[BCJ2_STREAM_RC] == p->lims[BCJ2_STREAM_RC])
+      {
+        p->state = BCJ2_STREAM_RC;
+        return SZ_OK;
+      }
+
+      p->code = (p->code << 8) | *(p->bufs[BCJ2_STREAM_RC])++;
+    }
+    
+    if (p->code == 0xFFFFFFFF)
+      return SZ_ERROR_DATA;
+    
+    p->range = 0xFFFFFFFF;
+  }
+  else if (p->state >= BCJ2_DEC_STATE_ORIG_0)
+  {
+    while (p->state <= BCJ2_DEC_STATE_ORIG_3)
+    {
+      Byte *dest = p->dest;
+      if (dest == p->destLim)
+        return SZ_OK;
+      *dest = p->temp[p->state++ - BCJ2_DEC_STATE_ORIG_0];
+      p->dest = dest + 1;
+    }
+  }
+
+  /*
+  if (BCJ2_IS_32BIT_STREAM(p->state))
+  {
+    const Byte *cur = p->bufs[p->state];
+    if (cur == p->lims[p->state])
+      return SZ_OK;
+    p->bufs[p->state] = cur + 4;
+    
+    {
+      UInt32 val;
+      Byte *dest;
+      SizeT rem;
+      
+      p->ip += 4;
+      val = GetBe32(cur) - p->ip;
+      dest = p->dest;
+      rem = p->destLim - dest;
+      if (rem < 4)
+      {
+        SizeT i;
+        SetUi32(p->temp, val);
+        for (i = 0; i < rem; i++)
+          dest[i] = p->temp[i];
+        p->dest = dest + rem;
+        p->state = BCJ2_DEC_STATE_ORIG_0 + (unsigned)rem;
+        return SZ_OK;
+      }
+      SetUi32(dest, val);
+      p->temp[3] = (Byte)(val >> 24);
+      p->dest = dest + 4;
+      p->state = BCJ2_DEC_STATE_OK;
+    }
+  }
+  */
+
+  for (;;)
+  {
+    if (BCJ2_IS_32BIT_STREAM(p->state))
+      p->state = BCJ2_DEC_STATE_OK;
+    else
+    {
+      if (p->range < kTopValue)
+      {
+        if (p->bufs[BCJ2_STREAM_RC] == p->lims[BCJ2_STREAM_RC])
+        {
+          p->state = BCJ2_STREAM_RC;
+          return SZ_OK;
+        }
+        p->range <<= 8;
+        p->code = (p->code << 8) | *(p->bufs[BCJ2_STREAM_RC])++;
+      }
+
+      {
+        const Byte *src = p->bufs[BCJ2_STREAM_MAIN];
+        const Byte *srcLim;
+        Byte *dest;
+        SizeT num = p->lims[BCJ2_STREAM_MAIN] - src;
+        
+        if (num == 0)
+        {
+          p->state = BCJ2_STREAM_MAIN;
+          return SZ_OK;
+        }
+        
+        dest = p->dest;
+        if (num > (SizeT)(p->destLim - dest))
+        {
+          num = p->destLim - dest;
+          if (num == 0)
+          {
+            p->state = BCJ2_DEC_STATE_ORIG;
+            return SZ_OK;
+          }
+        }
+       
+        srcLim = src + num;
+
+        if (p->temp[3] == 0x0F && (src[0] & 0xF0) == 0x80)
+          *dest = src[0];
+        else for (;;)
+        {
+          Byte b = *src;
+          *dest = b;
+          if (b != 0x0F)
+          {
+            if ((b & 0xFE) == 0xE8)
+              break;
+            dest++;
+            if (++src != srcLim)
+              continue;
+            break;
+          }
+          dest++;
+          if (++src == srcLim)
+            break;
+          if ((*src & 0xF0) != 0x80)
+            continue;
+          *dest = *src;
+          break;
+        }
+        
+        num = src - p->bufs[BCJ2_STREAM_MAIN];
+        
+        if (src == srcLim)
+        {
+          p->temp[3] = src[-1];
+          p->bufs[BCJ2_STREAM_MAIN] = src;
+          p->ip += (UInt32)num;
+          p->dest += num;
+          p->state =
+            p->bufs[BCJ2_STREAM_MAIN] ==
+            p->lims[BCJ2_STREAM_MAIN] ?
+              (unsigned)BCJ2_STREAM_MAIN :
+              (unsigned)BCJ2_DEC_STATE_ORIG;
+          return SZ_OK;
+        }
+        
+        {
+          UInt32 bound, ttt;
+          CProb *prob;
+          Byte b = src[0];
+          Byte prev = (Byte)(num == 0 ? p->temp[3] : src[-1]);
+          
+          p->temp[3] = b;
+          p->bufs[BCJ2_STREAM_MAIN] = src + 1;
+          num++;
+          p->ip += (UInt32)num;
+          p->dest += num;
+          
+          prob = p->probs + (unsigned)(b == 0xE8 ? 2 + (unsigned)prev : (b == 0xE9 ? 1 : 0));
+          
+          _IF_BIT_0
+          {
+            _UPDATE_0
+            continue;
+          }
+          _UPDATE_1
+            
+        }
+      }
+    }
+
+    {
+      UInt32 val;
+      unsigned cj = (p->temp[3] == 0xE8) ? BCJ2_STREAM_CALL : BCJ2_STREAM_JUMP;
+      const Byte *cur = p->bufs[cj];
+      Byte *dest;
+      SizeT rem;
+      
+      if (cur == p->lims[cj])
+      {
+        p->state = cj;
+        break;
+      }
+      
+      val = GetBe32(cur);
+      p->bufs[cj] = cur + 4;
+
+      p->ip += 4;
+      val -= p->ip;
+      dest = p->dest;
+      rem = p->destLim - dest;
+      
+      if (rem < 4)
+      {
+        SizeT i;
+        SetUi32(p->temp, val);
+        for (i = 0; i < rem; i++)
+          dest[i] = p->temp[i];
+        p->dest = dest + rem;
+        p->state = BCJ2_DEC_STATE_ORIG_0 + (unsigned)rem;
+        break;
+      }
+      
+      SetUi32(dest, val);
+      p->temp[3] = (Byte)(val >> 24);
+      p->dest = dest + 4;
+    }
+  }
+
+  if (p->range < kTopValue && p->bufs[BCJ2_STREAM_RC] != p->lims[BCJ2_STREAM_RC])
+  {
+    p->range <<= 8;
+    p->code = (p->code << 8) | *(p->bufs[BCJ2_STREAM_RC])++;
+  }
+
+  return SZ_OK;
+}
+
+#undef kTopValue  /* reused later. --ryan. */
+#undef kBitModelTotal  /* reused later. --ryan. */
+
+
+/* Bra.c -- Converters for RISC code
+2010-04-16 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "Bra.h"
+*/
+
+static SizeT ARM_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  SizeT i;
+  if (size < 4)
+    return 0;
+  size -= 4;
+  ip += 8;
+  for (i = 0; i <= size; i += 4)
+  {
+    if (data[i + 3] == 0xEB)
+    {
+      UInt32 dest;
+      UInt32 src = ((UInt32)data[i + 2] << 16) | ((UInt32)data[i + 1] << 8) | (data[i + 0]);
+      src <<= 2;
+      if (encoding)
+        dest = ip + (UInt32)i + src;
+      else
+        dest = src - (ip + (UInt32)i);
+      dest >>= 2;
+      data[i + 2] = (Byte)(dest >> 16);
+      data[i + 1] = (Byte)(dest >> 8);
+      data[i + 0] = (Byte)dest;
+    }
+  }
+  return i;
+}
+
+static SizeT ARMT_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  SizeT i;
+  if (size < 4)
+    return 0;
+  size -= 4;
+  ip += 4;
+  for (i = 0; i <= size; i += 2)
+  {
+    if ((data[i + 1] & 0xF8) == 0xF0 &&
+        (data[i + 3] & 0xF8) == 0xF8)
+    {
+      UInt32 dest;
+      UInt32 src =
+        (((UInt32)data[i + 1] & 0x7) << 19) |
+        ((UInt32)data[i + 0] << 11) |
+        (((UInt32)data[i + 3] & 0x7) << 8) |
+        (data[i + 2]);
+      
+      src <<= 1;
+      if (encoding)
+        dest = ip + (UInt32)i + src;
+      else
+        dest = src - (ip + (UInt32)i);
+      dest >>= 1;
+      
+      data[i + 1] = (Byte)(0xF0 | ((dest >> 19) & 0x7));
+      data[i + 0] = (Byte)(dest >> 11);
+      data[i + 3] = (Byte)(0xF8 | ((dest >> 8) & 0x7));
+      data[i + 2] = (Byte)dest;
+      i += 2;
+    }
+  }
+  return i;
+}
+
+static SizeT PPC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  SizeT i;
+  if (size < 4)
+    return 0;
+  size -= 4;
+  for (i = 0; i <= size; i += 4)
+  {
+    if ((data[i] >> 2) == 0x12 && (data[i + 3] & 3) == 1)
+    {
+      UInt32 src = ((UInt32)(data[i + 0] & 3) << 24) |
+        ((UInt32)data[i + 1] << 16) |
+        ((UInt32)data[i + 2] << 8) |
+        ((UInt32)data[i + 3] & (~3));
+      
+      UInt32 dest;
+      if (encoding)
+        dest = ip + (UInt32)i + src;
+      else
+        dest = src - (ip + (UInt32)i);
+      data[i + 0] = (Byte)(0x48 | ((dest >> 24) &  0x3));
+      data[i + 1] = (Byte)(dest >> 16);
+      data[i + 2] = (Byte)(dest >> 8);
+      data[i + 3] &= 0x3;
+      data[i + 3] |= dest;
+    }
+  }
+  return i;
+}
+
+static SizeT SPARC_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  UInt32 i;
+  if (size < 4)
+    return 0;
+  size -= 4;
+  for (i = 0; i <= size; i += 4)
+  {
+    if ((data[i] == 0x40 && (data[i + 1] & 0xC0) == 0x00) ||
+        (data[i] == 0x7F && (data[i + 1] & 0xC0) == 0xC0))
+    {
+      UInt32 src =
+        ((UInt32)data[i + 0] << 24) |
+        ((UInt32)data[i + 1] << 16) |
+        ((UInt32)data[i + 2] << 8) |
+        ((UInt32)data[i + 3]);
+      UInt32 dest;
+      
+      src <<= 2;
+      if (encoding)
+        dest = ip + i + src;
+      else
+        dest = src - (ip + i);
+      dest >>= 2;
+      
+      dest = (((0 - ((dest >> 22) & 1)) << 22) & 0x3FFFFFFF) | (dest & 0x3FFFFF) | 0x40000000;
+
+      data[i + 0] = (Byte)(dest >> 24);
+      data[i + 1] = (Byte)(dest >> 16);
+      data[i + 2] = (Byte)(dest >> 8);
+      data[i + 3] = (Byte)dest;
+    }
+  }
+  return i;
+}
+
+/* Bra86.c -- Converter for x86 code (BCJ)
+2013-11-12 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "Bra.h"
+*/
+
+#define Test86MSByte(b) ((((b) + 1) & 0xFE) == 0)
+
+static SizeT x86_Convert(Byte *data, SizeT size, UInt32 ip, UInt32 *state, int encoding)
+{
+  SizeT pos = 0;
+  UInt32 mask = *state & 7;
+  if (size < 5)
+    return 0;
+  size -= 4;
+  ip += 5;
+
+  for (;;)
+  {
+    Byte *p = data + pos;
+    const Byte *limit = data + size;
+    for (; p < limit; p++)
+      if ((*p & 0xFE) == 0xE8)
+        break;
+
+    {
+      SizeT d = (SizeT)(p - data - pos);
+      pos = (SizeT)(p - data);
+      if (p >= limit)
+      {
+        *state = (d > 2 ? 0 : mask >> (unsigned)d);
+        return pos;
+      }
+      if (d > 2)
+        mask = 0;
+      else
+      {
+        mask >>= (unsigned)d;
+        if (mask != 0 && (mask > 4 || mask == 3 || Test86MSByte(p[(mask >> 1) + 1])))
+        {
+          mask = (mask >> 1) | 4;
+          pos++;
+          continue;
+        }
+      }
+    }
+
+    if (Test86MSByte(p[4]))
+    {
+      UInt32 v = ((UInt32)p[4] << 24) | ((UInt32)p[3] << 16) | ((UInt32)p[2] << 8) | ((UInt32)p[1]);
+      UInt32 cur = ip + (UInt32)pos;
+      pos += 5;
+      if (encoding)
+        v += cur;
+      else
+        v -= cur;
+      if (mask != 0)
+      {
+        unsigned sh = (mask & 6) << 2;
+        if (Test86MSByte((Byte)(v >> sh)))
+        {
+          v ^= (((UInt32)0x100 << sh) - 1);
+          if (encoding)
+            v += cur;
+          else
+            v -= cur;
+        }
+        mask = 0;
+      }
+      p[1] = (Byte)v;
+      p[2] = (Byte)(v >> 8);
+      p[3] = (Byte)(v >> 16);
+      p[4] = (Byte)(0 - ((v >> 24) & 1));
+    }
+    else
+    {
+      mask = (mask >> 1) | 4;
+      pos++;
+    }
+  }
+}
+
+
+/* BraIA64.c -- Converter for IA-64 code
+2013-11-12 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "Bra.h"
+*/
+static const Byte kBranchTable[32] =
+{
+  0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0,
+  4, 4, 6, 6, 0, 0, 7, 7,
+  4, 4, 0, 0, 4, 4, 0, 0
+};
+
+static SizeT IA64_Convert(Byte *data, SizeT size, UInt32 ip, int encoding)
+{
+  SizeT i;
+  if (size < 16)
+    return 0;
+  size -= 16;
+  for (i = 0; i <= size; i += 16)
+  {
+    UInt32 instrTemplate = data[i] & 0x1F;
+    UInt32 mask = kBranchTable[instrTemplate];
+    UInt32 bitPos = 5;
+    int slot;
+    for (slot = 0; slot < 3; slot++, bitPos += 41)
+    {
+      UInt32 bytePos, bitRes;
+      UInt64 instruction, instNorm;
+      int j;
+      if (((mask >> slot) & 1) == 0)
+        continue;
+      bytePos = (bitPos >> 3);
+      bitRes = bitPos & 0x7;
+      instruction = 0;
+      for (j = 0; j < 6; j++)
+        instruction += (UInt64)data[i + j + bytePos] << (8 * j);
+
+      instNorm = instruction >> bitRes;
+      if (((instNorm >> 37) & 0xF) == 0x5 && ((instNorm >> 9) & 0x7) == 0)
+      {
+        UInt32 src = (UInt32)((instNorm >> 13) & 0xFFFFF);
+        UInt32 dest;
+        src |= ((UInt32)(instNorm >> 36) & 1) << 20;
+        
+        src <<= 4;
+        
+        if (encoding)
+          dest = ip + (UInt32)i + src;
+        else
+          dest = src - (ip + (UInt32)i);
+        
+        dest >>= 4;
+        
+        instNorm &= ~((UInt64)(0x8FFFFF) << 13);
+        instNorm |= ((UInt64)(dest & 0xFFFFF) << 13);
+        instNorm |= ((UInt64)(dest & 0x100000) << (36 - 20));
+        
+        instruction &= (1 << bitRes) - 1;
+        instruction |= (instNorm << bitRes);
+        for (j = 0; j < 6; j++)
+          data[i + j + bytePos] = (Byte)(instruction >> (8 * j));
+      }
+    }
+  }
+  return i;
+}
+
+
+/* Delta.c -- Delta converter
+2009-05-26 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "Delta.h"
+*/
+
+static void Delta_Init(Byte *state)
+{
+  unsigned i;
+  for (i = 0; i < DELTA_STATE_SIZE; i++)
+    state[i] = 0;
+}
+
+static void MyMemCpy(Byte *dest, const Byte *src, unsigned size)
+{
+  unsigned i;
+  for (i = 0; i < size; i++)
+    dest[i] = src[i];
+}
+
+static void Delta_Encode(Byte *state, unsigned delta, Byte *data, SizeT size)
+{
+  Byte buf[DELTA_STATE_SIZE];
+  unsigned j = 0;
+  MyMemCpy(buf, state, delta);
+  {
+    SizeT i;
+    for (i = 0; i < size;)
+    {
+      for (j = 0; j < delta && i < size; i++, j++)
+      {
+        Byte b = data[i];
+        data[i] = (Byte)(b - buf[j]);
+        buf[j] = b;
+      }
+    }
+  }
+  if (j == delta)
+    j = 0;
+  MyMemCpy(state, buf + j, delta - j);
+  MyMemCpy(state + delta - j, buf, j);
+}
+
+static void Delta_Decode(Byte *state, unsigned delta, Byte *data, SizeT size)
+{
+  Byte buf[DELTA_STATE_SIZE];
+  unsigned j = 0;
+  MyMemCpy(buf, state, delta);
+  {
+    SizeT i;
+    for (i = 0; i < size;)
+    {
+      for (j = 0; j < delta && i < size; i++, j++)
+      {
+        buf[j] = data[i] = (Byte)(buf[j] + data[i]);
+      }
+    }
+  }
+  if (j == delta)
+    j = 0;
+  MyMemCpy(state, buf + j, delta - j);
+  MyMemCpy(state + delta - j, buf, j);
+}
+
+/* LzmaDec.c -- LZMA Decoder
+2016-05-16 : Igor Pavlov : Public domain */
+
+/*
+#include "Precomp.h"
+
+#include "LzmaDec.h"
+
+#include <string.h>
+*/
+
+#define kNumTopBits 24
+#define kTopValue ((UInt32)1 << kNumTopBits)
+
+#define kNumBitModelTotalBits 11
+#define kBitModelTotal (1 << kNumBitModelTotalBits)
+#define kNumMoveBits 5
+
+#define RC_INIT_SIZE 5
+
+#define NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | (*buf++); }
+
+#define IF_BIT_0(p) ttt = *(p); NORMALIZE; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound)
+#define UPDATE_0(p) range = bound; *(p) = (CLzmaProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits));
+#define UPDATE_1(p) range -= bound; code -= bound; *(p) = (CLzmaProb)(ttt - (ttt >> kNumMoveBits));
+#define GET_BIT2(p, i, A0, A1) IF_BIT_0(p) \
+  { UPDATE_0(p); i = (i + i); A0; } else \
+  { UPDATE_1(p); i = (i + i) + 1; A1; }
+#define GET_BIT(p, i) GET_BIT2(p, i, ; , ;)
+
+#define TREE_GET_BIT(probs, i) { GET_BIT((probs + i), i); }
+#define TREE_DECODE(probs, limit, i) \
+  { i = 1; do { TREE_GET_BIT(probs, i); } while (i < limit); i -= limit; }
+
+/* #define _LZMA_SIZE_OPT */
+
+#ifdef _LZMA_SIZE_OPT
+#define TREE_6_DECODE(probs, i) TREE_DECODE(probs, (1 << 6), i)
+#else
+#define TREE_6_DECODE(probs, i) \
+  { i = 1; \
+  TREE_GET_BIT(probs, i); \
+  TREE_GET_BIT(probs, i); \
+  TREE_GET_BIT(probs, i); \
+  TREE_GET_BIT(probs, i); \
+  TREE_GET_BIT(probs, i); \
+  TREE_GET_BIT(probs, i); \
+  i -= 0x40; }
+#endif
+
+#define NORMAL_LITER_DEC GET_BIT(prob + symbol, symbol)
+#define MATCHED_LITER_DEC \
+  matchByte <<= 1; \
+  bit = (matchByte & offs); \
+  probLit = prob + offs + bit + symbol; \
+  GET_BIT2(probLit, symbol, offs &= ~bit, offs &= bit)
+
+#define NORMALIZE_CHECK if (range < kTopValue) { if (buf >= bufLimit) return DUMMY_ERROR; range <<= 8; code = (code << 8) | (*buf++); }
+
+#define IF_BIT_0_CHECK(p) ttt = *(p); NORMALIZE_CHECK; bound = (range >> kNumBitModelTotalBits) * ttt; if (code < bound)
+#define UPDATE_0_CHECK range = bound;
+#define UPDATE_1_CHECK range -= bound; code -= bound;
+#define GET_BIT2_CHECK(p, i, A0, A1) IF_BIT_0_CHECK(p) \
+  { UPDATE_0_CHECK; i = (i + i); A0; } else \
+  { UPDATE_1_CHECK; i = (i + i) + 1; A1; }
+#define GET_BIT_CHECK(p, i) GET_BIT2_CHECK(p, i, ; , ;)
+#define TREE_DECODE_CHECK(probs, limit, i) \
+  { i = 1; do { GET_BIT_CHECK(probs + i, i) } while (i < limit); i -= limit; }
+
+
+#define kNumPosBitsMax 4
+#define kNumPosStatesMax (1 << kNumPosBitsMax)
+
+#define kLenNumLowBits 3
+#define kLenNumLowSymbols (1 << kLenNumLowBits)
+#define kLenNumMidBits 3
+#define kLenNumMidSymbols (1 << kLenNumMidBits)
+#define kLenNumHighBits 8
+#define kLenNumHighSymbols (1 << kLenNumHighBits)
+
+#define LenChoice 0
+#define LenChoice2 (LenChoice + 1)
+#define LenLow (LenChoice2 + 1)
+#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
+#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
+#define kNumLenProbs (LenHigh + kLenNumHighSymbols)
+
+
+#define kNumStates 12
+#define kNumLitStates 7
+
+#define kStartPosModelIndex 4
+#define kEndPosModelIndex 14
+#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
+
+#define kNumPosSlotBits 6
+#define kNumLenToPosStates 4
+
+#define kNumAlignBits 4
+#define kAlignTableSize (1 << kNumAlignBits)
+
+#define kMatchMinLen 2
+#define kMatchSpecLenStart (kMatchMinLen + kLenNumLowSymbols + kLenNumMidSymbols + kLenNumHighSymbols)
+
+#define IsMatch 0
+#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
+#define IsRepG0 (IsRep + kNumStates)
+#define IsRepG1 (IsRepG0 + kNumStates)
+#define IsRepG2 (IsRepG1 + kNumStates)
+#define IsRep0Long (IsRepG2 + kNumStates)
+#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
+#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
+#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
+#define LenCoder (Align + kAlignTableSize)
+#define RepLenCoder (LenCoder + kNumLenProbs)
+#define Literal (RepLenCoder + kNumLenProbs)
+
+#define LZMA_BASE_SIZE 1846
+#define LZMA_LIT_SIZE 0x300
+
+#if Literal != LZMA_BASE_SIZE
+StopCompilingDueBUG
+#endif
+
+#define LzmaProps_GetNumProbs(p) (Literal + ((UInt32)LZMA_LIT_SIZE << ((p)->lc + (p)->lp)))
+
+#define LZMA_DIC_MIN (1 << 12)
+
+/* First LZMA-symbol is always decoded.
+And it decodes new LZMA-symbols while (buf < bufLimit), but "buf" is without last normalization
+Out:
+  Result:
+    SZ_OK - OK
+    SZ_ERROR_DATA - Error
+  p->remainLen:
+    < kMatchSpecLenStart : normal remain
+    = kMatchSpecLenStart : finished
+    = kMatchSpecLenStart + 1 : Flush marker (unused now)
+    = kMatchSpecLenStart + 2 : State Init Marker (unused now)
+*/
+
+static int MY_FAST_CALL LzmaDec_DecodeReal(CLzmaDec *p, SizeT limit, const Byte *bufLimit)
+{
+  CLzmaProb *probs = p->probs;
+
+  unsigned state = p->state;
+  UInt32 rep0 = p->reps[0], rep1 = p->reps[1], rep2 = p->reps[2], rep3 = p->reps[3];
+  unsigned pbMask = ((unsigned)1 << (p->prop.pb)) - 1;
+  unsigned lpMask = ((unsigned)1 << (p->prop.lp)) - 1;
+  unsigned lc = p->prop.lc;
+
+  Byte *dic = p->dic;
+  SizeT dicBufSize = p->dicBufSize;
+  SizeT dicPos = p->dicPos;
+  
+  UInt32 processedPos = p->processedPos;
+  UInt32 checkDicSize = p->checkDicSize;
+  unsigned len = 0;
+
+  const Byte *buf = p->buf;
+  UInt32 range = p->range;
+  UInt32 code = p->code;
+
+  do
+  {
+    CLzmaProb *prob;
+    UInt32 bound;
+    unsigned ttt;
+    unsigned posState = processedPos & pbMask;
+
+    prob = probs + IsMatch + (state << kNumPosBitsMax) + posState;
+    IF_BIT_0(prob)
+    {
+      unsigned symbol;
+      UPDATE_0(prob);
+      prob = probs + Literal;
+      if (processedPos != 0 || checkDicSize != 0)
+        prob += ((UInt32)LZMA_LIT_SIZE * (((processedPos & lpMask) << lc) +
+            (dic[(dicPos == 0 ? dicBufSize : dicPos) - 1] >> (8 - lc))));
+      processedPos++;
+
+      if (state < kNumLitStates)
+      {
+        state -= (state < 4) ? state : 3;
+        symbol = 1;
+        #ifdef _LZMA_SIZE_OPT
+        do { NORMAL_LITER_DEC } while (symbol < 0x100);
+        #else
+        NORMAL_LITER_DEC
+        NORMAL_LITER_DEC
+        NORMAL_LITER_DEC
+        NORMAL_LITER_DEC
+        NORMAL_LITER_DEC
+        NORMAL_LITER_DEC
+        NORMAL_LITER_DEC
+        NORMAL_LITER_DEC
+        #endif
+      }
+      else
+      {
+        unsigned matchByte = dic[dicPos - rep0 + (dicPos < rep0 ? dicBufSize : 0)];
+        unsigned offs = 0x100;
+        state -= (state < 10) ? 3 : 6;
+        symbol = 1;
+        #ifdef _LZMA_SIZE_OPT
+        do
+        {
+          unsigned bit;
+          CLzmaProb *probLit;
+          MATCHED_LITER_DEC
+        }
+        while (symbol < 0x100);
+        #else
+        {
+          unsigned bit;
+          CLzmaProb *probLit;
+          MATCHED_LITER_DEC
+          MATCHED_LITER_DEC
+          MATCHED_LITER_DEC
+          MATCHED_LITER_DEC
+          MATCHED_LITER_DEC
+          MATCHED_LITER_DEC
+          MATCHED_LITER_DEC
+          MATCHED_LITER_DEC
+        }
+        #endif
+      }
+
+      dic[dicPos++] = (Byte)symbol;
+      continue;
+    }
+    
+    {
+      UPDATE_1(prob);
+      prob = probs + IsRep + state;
+      IF_BIT_0(prob)
+      {
+        UPDATE_0(prob);
+        state += kNumStates;
+        prob = probs + LenCoder;
+      }
+      else
+      {
+        UPDATE_1(prob);
+        if (checkDicSize == 0 && processedPos == 0)
+          return SZ_ERROR_DATA;
+        prob = probs + IsRepG0 + state;
+        IF_BIT_0(prob)
+        {
+          UPDATE_0(prob);
+          prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState;
+          IF_BIT_0(prob)
+          {
+            UPDATE_0(prob);
+            dic[dicPos] = dic[dicPos - rep0 + (dicPos < rep0 ? dicBufSize : 0)];
+            dicPos++;
+            processedPos++;
+            state = state < kNumLitStates ? 9 : 11;
+            continue;
+          }
+          UPDATE_1(prob);
+        }
+        else
+        {
+          UInt32 distance;
+          UPDATE_1(prob);
+          prob = probs + IsRepG1 + state;
+          IF_BIT_0(prob)
+          {
+            UPDATE_0(prob);
+            distance = rep1;
+          }
+          else
+          {
+            UPDATE_1(prob);
+            prob = probs + IsRepG2 + state;
+            IF_BIT_0(prob)
+            {
+              UPDATE_0(prob);
+              distance = rep2;
+            }
+            else
+            {
+              UPDATE_1(prob);
+              distance = rep3;
+              rep3 = rep2;
+            }
+            rep2 = rep1;
+          }
+          rep1 = rep0;
+          rep0 = distance;
+        }
+        state = state < kNumLitStates ? 8 : 11;
+        prob = probs + RepLenCoder;
+      }
+      
+      #ifdef _LZMA_SIZE_OPT
+      {
+        unsigned lim, offset;
+        CLzmaProb *probLen = prob + LenChoice;
+        IF_BIT_0(probLen)
+        {
+          UPDATE_0(probLen);
+          probLen = prob + LenLow + (posState << kLenNumLowBits);
+          offset = 0;
+          lim = (1 << kLenNumLowBits);
+        }
+        else
+        {
+          UPDATE_1(probLen);
+          probLen = prob + LenChoice2;
+          IF_BIT_0(probLen)
+          {
+            UPDATE_0(probLen);
+            probLen = prob + LenMid + (posState << kLenNumMidBits);
+            offset = kLenNumLowSymbols;
+            lim = (1 << kLenNumMidBits);
+          }
+          else
+          {
+            UPDATE_1(probLen);
+            probLen = prob + LenHigh;
+            offset = kLenNumLowSymbols + kLenNumMidSymbols;
+            lim = (1 << kLenNumHighBits);
+          }
+        }
+        TREE_DECODE(probLen, lim, len);
+        len += offset;
+      }
+      #else
+      {
+        CLzmaProb *probLen = prob + LenChoice;
+        IF_BIT_0(probLen)
+        {
+          UPDATE_0(probLen);
+          probLen = prob + LenLow + (posState << kLenNumLowBits);
+          len = 1;
+          TREE_GET_BIT(probLen, len);
+          TREE_GET_BIT(probLen, len);
+          TREE_GET_BIT(probLen, len);
+          len -= 8;
+        }
+        else
+        {
+          UPDATE_1(probLen);
+          probLen = prob + LenChoice2;
+          IF_BIT_0(probLen)
+          {
+            UPDATE_0(probLen);
+            probLen = prob + LenMid + (posState << kLenNumMidBits);
+            len = 1;
+            TREE_GET_BIT(probLen, len);
+            TREE_GET_BIT(probLen, len);
+            TREE_GET_BIT(probLen, len);
+          }
+          else
+          {
+            UPDATE_1(probLen);
+            probLen = prob + LenHigh;
+            TREE_DECODE(probLen, (1 << kLenNumHighBits), len);
+            len += kLenNumLowSymbols + kLenNumMidSymbols;
+          }
+        }
+      }
+      #endif
+
+      if (state >= kNumStates)
+      {
+        UInt32 distance;
+        prob = probs + PosSlot +
+            ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) << kNumPosSlotBits);
+        TREE_6_DECODE(prob, distance);
+        if (distance >= kStartPosModelIndex)
+        {
+          unsigned posSlot = (unsigned)distance;
+          unsigned numDirectBits = (unsigned)(((distance >> 1) - 1));
+          distance = (2 | (distance & 1));
+          if (posSlot < kEndPosModelIndex)
+          {
+            distance <<= numDirectBits;
+            prob = probs + SpecPos + distance - posSlot - 1;
+            {
+              UInt32 mask = 1;
+              unsigned i = 1;
+              do
+              {
+                GET_BIT2(prob + i, i, ; , distance |= mask);
+                mask <<= 1;
+              }
+              while (--numDirectBits != 0);
+            }
+          }
+          else
+          {
+            numDirectBits -= kNumAlignBits;
+            do
+            {
+              NORMALIZE
+              range >>= 1;
+              
+              {
+                UInt32 t;
+                code -= range;
+                t = (0 - ((UInt32)code >> 31)); /* (UInt32)((Int32)code >> 31) */
+                distance = (distance << 1) + (t + 1);
+                code += range & t;
+              }
+              /*
+              distance <<= 1;
+              if (code >= range)
+              {
+                code -= range;
+                distance |= 1;
+              }
+              */
+            }
+            while (--numDirectBits != 0);
+            prob = probs + Align;
+            distance <<= kNumAlignBits;
+            {
+              unsigned i = 1;
+              GET_BIT2(prob + i, i, ; , distance |= 1);
+              GET_BIT2(prob + i, i, ; , distance |= 2);
+              GET_BIT2(prob + i, i, ; , distance |= 4);
+              GET_BIT2(prob + i, i, ; , distance |= 8);
+            }
+            if (distance == (UInt32)0xFFFFFFFF)
+            {
+              len += kMatchSpecLenStart;
+              state -= kNumStates;
+              break;
+            }
+          }
+        }
+        
+        rep3 = rep2;
+        rep2 = rep1;
+        rep1 = rep0;
+        rep0 = distance + 1;
+        if (checkDicSize == 0)
+        {
+          if (distance >= processedPos)
+          {
+            p->dicPos = dicPos;
+            return SZ_ERROR_DATA;
+          }
+        }
+        else if (distance >= checkDicSize)
+        {
+          p->dicPos = dicPos;
+          return SZ_ERROR_DATA;
+        }
+        state = (state < kNumStates + kNumLitStates) ? kNumLitStates : kNumLitStates + 3;
+      }
+
+      len += kMatchMinLen;
+
+      {
+        SizeT rem;
+        unsigned curLen;
+        SizeT pos;
+        
+        if ((rem = limit - dicPos) == 0)
+        {
+          p->dicPos = dicPos;
+          return SZ_ERROR_DATA;
+        }
+        
+        curLen = ((rem < len) ? (unsigned)rem : len);
+        pos = dicPos - rep0 + (dicPos < rep0 ? dicBufSize : 0);
+
+        processedPos += curLen;
+
+        len -= curLen;
+        if (curLen <= dicBufSize - pos)
+        {
+          Byte *dest = dic + dicPos;
+          ptrdiff_t src = (ptrdiff_t)pos - (ptrdiff_t)dicPos;
+          const Byte *lim = dest + curLen;
+          dicPos += curLen;
+          do
+            *(dest) = (Byte)*(dest + src);
+          while (++dest != lim);
+        }
+        else
+        {
+          do
+          {
+            dic[dicPos++] = dic[pos];
+            if (++pos == dicBufSize)
+              pos = 0;
+          }
+          while (--curLen != 0);
+        }
+      }
+    }
+  }
+  while (dicPos < limit && buf < bufLimit);
+
+  NORMALIZE;
+  
+  p->buf = buf;
+  p->range = range;
+  p->code = code;
+  p->remainLen = len;
+  p->dicPos = dicPos;
+  p->processedPos = processedPos;
+  p->reps[0] = rep0;
+  p->reps[1] = rep1;
+  p->reps[2] = rep2;
+  p->reps[3] = rep3;
+  p->state = state;
+
+  return SZ_OK;
+}
+
+static void MY_FAST_CALL LzmaDec_WriteRem(CLzmaDec *p, SizeT limit)
+{
+  if (p->remainLen != 0 && p->remainLen < kMatchSpecLenStart)
+  {
+    Byte *dic = p->dic;
+    SizeT dicPos = p->dicPos;
+    SizeT dicBufSize = p->dicBufSize;
+    unsigned len = p->remainLen;
+    SizeT rep0 = p->reps[0]; /* we use SizeT to avoid the BUG of VC14 for AMD64 */
+    SizeT rem = limit - dicPos;
+    if (rem < len)
+      len = (unsigned)(rem);
+
+    if (p->checkDicSize == 0 && p->prop.dicSize - p->processedPos <= len)
+      p->checkDicSize = p->prop.dicSize;
+
+    p->processedPos += len;
+    p->remainLen -= len;
+    while (len != 0)
+    {
+      len--;
+      dic[dicPos] = dic[dicPos - rep0 + (dicPos < rep0 ? dicBufSize : 0)];
+      dicPos++;
+    }
+    p->dicPos = dicPos;
+  }
+}
+
+static int MY_FAST_CALL LzmaDec_DecodeReal2(CLzmaDec *p, SizeT limit, const Byte *bufLimit)
+{
+  do
+  {
+    SizeT limit2 = limit;
+    if (p->checkDicSize == 0)
+    {
+      UInt32 rem = p->prop.dicSize - p->processedPos;
+      if (limit - p->dicPos > rem)
+        limit2 = p->dicPos + rem;
+    }
+    
+    RINOK(LzmaDec_DecodeReal(p, limit2, bufLimit));
+    
+    if (p->checkDicSize == 0 && p->processedPos >= p->prop.dicSize)
+      p->checkDicSize = p->prop.dicSize;
+    
+    LzmaDec_WriteRem(p, limit);
+  }
+  while (p->dicPos < limit && p->buf < bufLimit && p->remainLen < kMatchSpecLenStart);
+
+  if (p->remainLen > kMatchSpecLenStart)
+    p->remainLen = kMatchSpecLenStart;
+
+  return 0;
+}
+
+typedef enum
+{
+  DUMMY_ERROR, /* unexpected end of input stream */
+  DUMMY_LIT,
+  DUMMY_MATCH,
+  DUMMY_REP
+} ELzmaDummy;
+
+static ELzmaDummy LzmaDec_TryDummy(const CLzmaDec *p, const Byte *buf, SizeT inSize)
+{
+  UInt32 range = p->range;
+  UInt32 code = p->code;
+  const Byte *bufLimit = buf + inSize;
+  const CLzmaProb *probs = p->probs;
+  unsigned state = p->state;
+  ELzmaDummy res;
+
+  {
+    const CLzmaProb *prob;
+    UInt32 bound;
+    unsigned ttt;
+    unsigned posState = (p->processedPos) & ((1 << p->prop.pb) - 1);
+
+    prob = probs + IsMatch + (state << kNumPosBitsMax) + posState;
+    IF_BIT_0_CHECK(prob)
+    {
+      UPDATE_0_CHECK
+
+      /* if (bufLimit - buf >= 7) return DUMMY_LIT; */
+
+      prob = probs + Literal;
+      if (p->checkDicSize != 0 || p->processedPos != 0)
+        prob += ((UInt32)LZMA_LIT_SIZE *
+            ((((p->processedPos) & ((1 << (p->prop.lp)) - 1)) << p->prop.lc) +
+            (p->dic[(p->dicPos == 0 ? p->dicBufSize : p->dicPos) - 1] >> (8 - p->prop.lc))));
+
+      if (state < kNumLitStates)
+      {
+        unsigned symbol = 1;
+        do { GET_BIT_CHECK(prob + symbol, symbol) } while (symbol < 0x100);
+      }
+      else
+      {
+        unsigned matchByte = p->dic[p->dicPos - p->reps[0] +
+            (p->dicPos < p->reps[0] ? p->dicBufSize : 0)];
+        unsigned offs = 0x100;
+        unsigned symbol = 1;
+        do
+        {
+          unsigned bit;
+          const CLzmaProb *probLit;
+          matchByte <<= 1;
+          bit = (matchByte & offs);
+          probLit = prob + offs + bit + symbol;
+          GET_BIT2_CHECK(probLit, symbol, offs &= ~bit, offs &= bit)
+        }
+        while (symbol < 0x100);
+      }
+      res = DUMMY_LIT;
+    }
+    else
+    {
+      unsigned len;
+      UPDATE_1_CHECK;
+
+      prob = probs + IsRep + state;
+      IF_BIT_0_CHECK(prob)
+      {
+        UPDATE_0_CHECK;
+        state = 0;
+        prob = probs + LenCoder;
+        res = DUMMY_MATCH;
+      }
+      else
+      {
+        UPDATE_1_CHECK;
+        res = DUMMY_REP;
+        prob = probs + IsRepG0 + state;
+        IF_BIT_0_CHECK(prob)
+        {
+          UPDATE_0_CHECK;
+          prob = probs + IsRep0Long + (state << kNumPosBitsMax) + posState;
+          IF_BIT_0_CHECK(prob)
+          {
+            UPDATE_0_CHECK;
+            NORMALIZE_CHECK;
+            return DUMMY_REP;
+          }
+          else
+          {
+            UPDATE_1_CHECK;
+          }
+        }
+        else
+        {
+          UPDATE_1_CHECK;
+          prob = probs + IsRepG1 + state;
+          IF_BIT_0_CHECK(prob)
+          {
+            UPDATE_0_CHECK;
+          }
+          else
+          {
+            UPDATE_1_CHECK;
+            prob = probs + IsRepG2 + state;
+            IF_BIT_0_CHECK(prob)
+            {
+              UPDATE_0_CHECK;
+            }
+            else
+            {
+              UPDATE_1_CHECK;
+            }
+          }
+        }
+        state = kNumStates;
+        prob = probs + RepLenCoder;
+      }
+      {
+        unsigned limit, offset;
+        const CLzmaProb *probLen = prob + LenChoice;
+        IF_BIT_0_CHECK(probLen)
+        {
+          UPDATE_0_CHECK;
+          probLen = prob + LenLow + (posState << kLenNumLowBits);
+          offset = 0;
+          limit = 1 << kLenNumLowBits;
+        }
+        else
+        {
+          UPDATE_1_CHECK;
+          probLen = prob + LenChoice2;
+          IF_BIT_0_CHECK(probLen)
+          {
+            UPDATE_0_CHECK;
+            probLen = prob + LenMid + (posState << kLenNumMidBits);
+            offset = kLenNumLowSymbols;
+            limit = 1 << kLenNumMidBits;
+          }
+          else
+          {
+            UPDATE_1_CHECK;
+            probLen = prob + LenHigh;
+            offset = kLenNumLowSymbols + kLenNumMidSymbols;
+            limit = 1 << kLenNumHighBits;
+          }
+        }
+        TREE_DECODE_CHECK(probLen, limit, len);
+        len += offset;
+      }
+
+      if (state < 4)
+      {
+        unsigned posSlot;
+        prob = probs + PosSlot +
+            ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
+            kNumPosSlotBits);
+        TREE_DECODE_CHECK(prob, 1 << kNumPosSlotBits, posSlot);
+        if (posSlot >= kStartPosModelIndex)
+        {
+          unsigned numDirectBits = ((posSlot >> 1) - 1);
+
+          /* if (bufLimit - buf >= 8) return DUMMY_MATCH; */
+
+          if (posSlot < kEndPosModelIndex)
+          {
+            prob = probs + SpecPos + ((2 | (posSlot & 1)) << numDirectBits) - posSlot - 1;
+          }
+          else
+          {
+            numDirectBits -= kNumAlignBits;
+            do
+            {
+              NORMALIZE_CHECK
+              range >>= 1;
+              code -= range & (((code - range) >> 31) - 1);
+              /* if (code >= range) code -= range; */
+            }
+            while (--numDirectBits != 0);
+            prob = probs + Align;
+            numDirectBits = kNumAlignBits;
+          }
+          {
+            unsigned i = 1;
+            do
+            {
+              GET_BIT_CHECK(prob + i, i);
+            }
+            while (--numDirectBits != 0);
+          }
+        }
+      }
+    }
+  }
+  NORMALIZE_CHECK;
+  return res;
+}
+
+
+static void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState)
+{
+  p->needFlush = 1;
+  p->remainLen = 0;
+  p->tempBufSize = 0;
+
+  if (initDic)
+  {
+    p->processedPos = 0;
+    p->checkDicSize = 0;
+    p->needInitState = 1;
+  }
+  if (initState)
+    p->needInitState = 1;
+}
+
+static void LzmaDec_Init(CLzmaDec *p)
+{
+  p->dicPos = 0;
+  LzmaDec_InitDicAndState(p, True, True);
+}
+
+static void LzmaDec_InitStateReal(CLzmaDec *p)
+{
+  SizeT numProbs = LzmaProps_GetNumProbs(&p->prop);
+  SizeT i;
+  CLzmaProb *probs = p->probs;
+  for (i = 0; i < numProbs; i++)
+    probs[i] = kBitModelTotal >> 1;
+  p->reps[0] = p->reps[1] = p->reps[2] = p->reps[3] = 1;
+  p->state = 0;
+  p->needInitState = 0;
+}
+
+static SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit, const Byte *src, SizeT *srcLen,
+    ELzmaFinishMode finishMode, ELzmaStatus *status)
+{
+  SizeT inSize = *srcLen;
+  (*srcLen) = 0;
+  LzmaDec_WriteRem(p, dicLimit);
+  
+  *status = LZMA_STATUS_NOT_SPECIFIED;
+
+  while (p->remainLen != kMatchSpecLenStart)
+  {
+      int checkEndMarkNow;
+
+      if (p->needFlush)
+      {
+        for (; inSize > 0 && p->tempBufSize < RC_INIT_SIZE; (*srcLen)++, inSize--)
+          p->tempBuf[p->tempBufSize++] = *src++;
+        if (p->tempBufSize < RC_INIT_SIZE)
+        {
+          *status = LZMA_STATUS_NEEDS_MORE_INPUT;
+          return SZ_OK;
+        }
+        if (p->tempBuf[0] != 0)
+          return SZ_ERROR_DATA;
+        p->code =
+              ((UInt32)p->tempBuf[1] << 24)
+            | ((UInt32)p->tempBuf[2] << 16)
+            | ((UInt32)p->tempBuf[3] << 8)
+            | ((UInt32)p->tempBuf[4]);
+        p->range = 0xFFFFFFFF;
+        p->needFlush = 0;
+        p->tempBufSize = 0;
+      }
+
+      checkEndMarkNow = 0;
+      if (p->dicPos >= dicLimit)
+      {
+        if (p->remainLen == 0 && p->code == 0)
+        {
+          *status = LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK;
+          return SZ_OK;
+        }
+        if (finishMode == LZMA_FINISH_ANY)
+        {
+          *status = LZMA_STATUS_NOT_FINISHED;
+          return SZ_OK;
+        }
+        if (p->remainLen != 0)
+        {
+          *status = LZMA_STATUS_NOT_FINISHED;
+          return SZ_ERROR_DATA;
+        }
+        checkEndMarkNow = 1;
+      }
+
+      if (p->needInitState)
+        LzmaDec_InitStateReal(p);
+  
+      if (p->tempBufSize == 0)
+      {
+        SizeT processed;
+        const Byte *bufLimit;
+        if (inSize < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow)
+        {
+          int dummyRes = LzmaDec_TryDummy(p, src, inSize);
+          if (dummyRes == DUMMY_ERROR)
+          {
+            memcpy(p->tempBuf, src, inSize);
+            p->tempBufSize = (unsigned)inSize;
+            (*srcLen) += inSize;
+            *status = LZMA_STATUS_NEEDS_MORE_INPUT;
+            return SZ_OK;
+          }
+          if (checkEndMarkNow && dummyRes != DUMMY_MATCH)
+          {
+            *status = LZMA_STATUS_NOT_FINISHED;
+            return SZ_ERROR_DATA;
+          }
+          bufLimit = src;
+        }
+        else
+          bufLimit = src + inSize - LZMA_REQUIRED_INPUT_MAX;
+        p->buf = src;
+        if (LzmaDec_DecodeReal2(p, dicLimit, bufLimit) != 0)
+          return SZ_ERROR_DATA;
+        processed = (SizeT)(p->buf - src);
+        (*srcLen) += processed;
+        src += processed;
+        inSize -= processed;
+      }
+      else
+      {
+        unsigned rem = p->tempBufSize, lookAhead = 0;
+        while (rem < LZMA_REQUIRED_INPUT_MAX && lookAhead < inSize)
+          p->tempBuf[rem++] = src[lookAhead++];
+        p->tempBufSize = rem;
+        if (rem < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow)
+        {
+          int dummyRes = LzmaDec_TryDummy(p, p->tempBuf, rem);
+          if (dummyRes == DUMMY_ERROR)
+          {
+            (*srcLen) += lookAhead;
+            *status = LZMA_STATUS_NEEDS_MORE_INPUT;
+            return SZ_OK;
+          }
+          if (checkEndMarkNow && dummyRes != DUMMY_MATCH)
+          {
+            *status = LZMA_STATUS_NOT_FINISHED;
+            return SZ_ERROR_DATA;
+          }
+        }
+        p->buf = p->tempBuf;
+        if (LzmaDec_DecodeReal2(p, dicLimit, p->buf) != 0)
+          return SZ_ERROR_DATA;
+        
+        {
+          unsigned kkk = (unsigned)(p->buf - p->tempBuf);
+          if (rem < kkk)
+            return SZ_ERROR_FAIL; /* some internal error */
+          rem -= kkk;
+          if (lookAhead < rem)
+            return SZ_ERROR_FAIL; /* some internal error */
+          lookAhead -= rem;
+        }
+        (*srcLen) += lookAhead;
+        src += lookAhead;
+        inSize -= lookAhead;
+        p->tempBufSize = 0;
+      }
+  }
+  if (p->code == 0)
+    *status = LZMA_STATUS_FINISHED_WITH_MARK;
+  return (p->code == 0) ? SZ_OK : SZ_ERROR_DATA;
+}
+
+static SRes LzmaDec_DecodeToBuf(CLzmaDec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status)
+{
+  SizeT outSize = *destLen;
+  SizeT inSize = *srcLen;
+  *srcLen = *destLen = 0;
+  for (;;)
+  {
+    SizeT inSizeCur = inSize, outSizeCur, dicPos;
+    ELzmaFinishMode curFinishMode;
+    SRes res;
+    if (p->dicPos == p->dicBufSize)
+      p->dicPos = 0;
+    dicPos = p->dicPos;
+    if (outSize > p->dicBufSize - dicPos)
+    {
+      outSizeCur = p->dicBufSize;
+      curFinishMode = LZMA_FINISH_ANY;
+    }
+    else
+    {
+      outSizeCur = dicPos + outSize;
+      curFinishMode = finishMode;
+    }
+
+    res = LzmaDec_DecodeToDic(p, outSizeCur, src, &inSizeCur, curFinishMode, status);
+    src += inSizeCur;
+    inSize -= inSizeCur;
+    *srcLen += inSizeCur;
+    outSizeCur = p->dicPos - dicPos;
+    memcpy(dest, p->dic + dicPos, outSizeCur);
+    dest += outSizeCur;
+    outSize -= outSizeCur;
+    *destLen += outSizeCur;
+    if (res != 0)
+      return res;
+    if (outSizeCur == 0 || outSize == 0)
+      return SZ_OK;
+  }
+}
+
+static void LzmaDec_FreeProbs(CLzmaDec *p, ISzAlloc *alloc)
+{
+  alloc->Free(alloc, p->probs);
+  p->probs = NULL;
+}
+
+static void LzmaDec_FreeDict(CLzmaDec *p, ISzAlloc *alloc)
+{
+  alloc->Free(alloc, p->dic);
+  p->dic = NULL;
+}
+
+static void LzmaDec_Free(CLzmaDec *p, ISzAlloc *alloc)
+{
+  LzmaDec_FreeProbs(p, alloc);
+  LzmaDec_FreeDict(p, alloc);
+}
+
+static SRes LzmaProps_Decode(CLzmaProps *p, const Byte *data, unsigned size)
+{
+  UInt32 dicSize;
+  Byte d;
+  
+  if (size < LZMA_PROPS_SIZE)
+    return SZ_ERROR_UNSUPPORTED;
+  else
+    dicSize = data[1] | ((UInt32)data[2] << 8) | ((UInt32)data[3] << 16) | ((UInt32)data[4] << 24);
+ 
+  if (dicSize < LZMA_DIC_MIN)
+    dicSize = LZMA_DIC_MIN;
+  p->dicSize = dicSize;
+
+  d = data[0];
+  if (d >= (9 * 5 * 5))
+    return SZ_ERROR_UNSUPPORTED;
+
+  p->lc = d % 9;
+  d /= 9;
+  p->pb = d / 5;
+  p->lp = d % 5;
+
+  return SZ_OK;
+}
+
+static SRes LzmaDec_AllocateProbs2(CLzmaDec *p, const CLzmaProps *propNew, ISzAlloc *alloc)
+{
+  UInt32 numProbs = LzmaProps_GetNumProbs(propNew);
+  if (!p->probs || numProbs != p->numProbs)
+  {
+    LzmaDec_FreeProbs(p, alloc);
+    p->probs = (CLzmaProb *)alloc->Alloc(alloc, numProbs * sizeof(CLzmaProb));
+    p->numProbs = numProbs;
+    if (!p->probs)
+      return SZ_ERROR_MEM;
+  }
+  return SZ_OK;
+}
+
+static SRes LzmaDec_AllocateProbs(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
+{
+  CLzmaProps propNew;
+  RINOK(LzmaProps_Decode(&propNew, props, propsSize));
+  RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc));
+  p->prop = propNew;
+  return SZ_OK;
+}
+
+static SRes LzmaDec_Allocate(CLzmaDec *p, const Byte *props, unsigned propsSize, ISzAlloc *alloc)
+{
+  CLzmaProps propNew;
+  SizeT dicBufSize;
+  RINOK(LzmaProps_Decode(&propNew, props, propsSize));
+  RINOK(LzmaDec_AllocateProbs2(p, &propNew, alloc));
+
+  {
+    UInt32 dictSize = propNew.dicSize;
+    SizeT mask = ((UInt32)1 << 12) - 1;
+         if (dictSize >= ((UInt32)1 << 30)) mask = ((UInt32)1 << 22) - 1;
+    else if (dictSize >= ((UInt32)1 << 22)) mask = ((UInt32)1 << 20) - 1;;
+    dicBufSize = ((SizeT)dictSize + mask) & ~mask;
+    if (dicBufSize < dictSize)
+      dicBufSize = dictSize;
+  }
+
+  if (!p->dic || dicBufSize != p->dicBufSize)
+  {
+    LzmaDec_FreeDict(p, alloc);
+    p->dic = (Byte *)alloc->Alloc(alloc, dicBufSize);
+    if (!p->dic)
+    {
+      LzmaDec_FreeProbs(p, alloc);
+      return SZ_ERROR_MEM;
+    }
+  }
+  p->dicBufSize = dicBufSize;
+  p->prop = propNew;
+  return SZ_OK;
+}
+
+static SRes LzmaDecode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
+    const Byte *propData, unsigned propSize, ELzmaFinishMode finishMode,
+    ELzmaStatus *status, ISzAlloc *alloc)
+{
+  CLzmaDec p;
+  SRes res;
+  SizeT outSize = *destLen, inSize = *srcLen;
+  *destLen = *srcLen = 0;
+  *status = LZMA_STATUS_NOT_SPECIFIED;
+  if (inSize < RC_INIT_SIZE)
+    return SZ_ERROR_INPUT_EOF;
+  LzmaDec_Construct(&p);
+  RINOK(LzmaDec_AllocateProbs(&p, propData, propSize, alloc));
+  p.dic = dest;
+  p.dicBufSize = outSize;
+  LzmaDec_Init(&p);
+  *srcLen = inSize;
+  res = LzmaDec_DecodeToDic(&p, outSize, src, srcLen, finishMode, status);
+  *destLen = p.dicPos;
+  if (res == SZ_OK && *status == LZMA_STATUS_NEEDS_MORE_INPUT)
+    res = SZ_ERROR_INPUT_EOF;
+  LzmaDec_FreeProbs(&p, alloc);
+  return res;
+}
+
+/* Lzma2Dec.c -- LZMA2 Decoder
+2015-11-09 : Igor Pavlov : Public domain */
+
+/* #define SHOW_DEBUG_INFO */
+
+/*
+#include "Precomp.h"
+
+#ifdef SHOW_DEBUG_INFO
+#include <stdio.h>
+#endif
+
+#include <string.h>
+
+#include "Lzma2Dec.h"
+*/
+
+/*
+00000000  -  EOS
+00000001 U U  -  Uncompressed Reset Dic
+00000010 U U  -  Uncompressed No Reset
+100uuuuu U U P P  -  LZMA no reset
+101uuuuu U U P P  -  LZMA reset state
+110uuuuu U U P P S  -  LZMA reset state + new prop
+111uuuuu U U P P S  -  LZMA reset state + new prop + reset dic
+
+  u, U - Unpack Size
+  P - Pack Size
+  S - Props
+*/
+
+#define LZMA2_CONTROL_LZMA (1 << 7)
+#define LZMA2_CONTROL_COPY_NO_RESET 2
+#define LZMA2_CONTROL_COPY_RESET_DIC 1
+#define LZMA2_CONTROL_EOF 0
+
+#define LZMA2_IS_UNCOMPRESSED_STATE(p) (((p)->control & LZMA2_CONTROL_LZMA) == 0)
+
+#define LZMA2_GET_LZMA_MODE(p) (((p)->control >> 5) & 3)
+#define LZMA2_IS_THERE_PROP(mode) ((mode) >= 2)
+
+#define LZMA2_LCLP_MAX 4
+#define LZMA2_DIC_SIZE_FROM_PROP(p) (((UInt32)2 | ((p) & 1)) << ((p) / 2 + 11))
+
+#ifdef SHOW_DEBUG_INFO
+#define PRF(x) x
+#else
+#define PRF(x)
+#endif
+
+typedef enum
+{
+  LZMA2_STATE_CONTROL,
+  LZMA2_STATE_UNPACK0,
+  LZMA2_STATE_UNPACK1,
+  LZMA2_STATE_PACK0,
+  LZMA2_STATE_PACK1,
+  LZMA2_STATE_PROP,
+  LZMA2_STATE_DATA,
+  LZMA2_STATE_DATA_CONT,
+  LZMA2_STATE_FINISHED,
+  LZMA2_STATE_ERROR
+} ELzma2State;
+
+static SRes Lzma2Dec_GetOldProps(Byte prop, Byte *props)
+{
+  UInt32 dicSize;
+  if (prop > 40)
+    return SZ_ERROR_UNSUPPORTED;
+  dicSize = (prop == 40) ? 0xFFFFFFFF : LZMA2_DIC_SIZE_FROM_PROP(prop);
+  props[0] = (Byte)LZMA2_LCLP_MAX;
+  props[1] = (Byte)(dicSize);
+  props[2] = (Byte)(dicSize >> 8);
+  props[3] = (Byte)(dicSize >> 16);
+  props[4] = (Byte)(dicSize >> 24);
+  return SZ_OK;
+}
+
+static SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc)
+{
+  Byte props[LZMA_PROPS_SIZE];
+  RINOK(Lzma2Dec_GetOldProps(prop, props));
+  return LzmaDec_AllocateProbs(&p->decoder, props, LZMA_PROPS_SIZE, alloc);
+}
+
+static SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc)
+{
+  Byte props[LZMA_PROPS_SIZE];
+  RINOK(Lzma2Dec_GetOldProps(prop, props));
+  return LzmaDec_Allocate(&p->decoder, props, LZMA_PROPS_SIZE, alloc);
+}
+
+static void Lzma2Dec_Init(CLzma2Dec *p)
+{
+  p->state = LZMA2_STATE_CONTROL;
+  p->needInitDic = True;
+  p->needInitState = True;
+  p->needInitProp = True;
+  LzmaDec_Init(&p->decoder);
+}
+
+static ELzma2State Lzma2Dec_UpdateState(CLzma2Dec *p, Byte b)
+{
+  switch (p->state)
+  {
+    case LZMA2_STATE_CONTROL:
+      p->control = b;
+      PRF(printf("\n %4X ", (unsigned)p->decoder.dicPos));
+      PRF(printf(" %2X", (unsigned)b));
+      if (p->control == 0)
+        return LZMA2_STATE_FINISHED;
+      if (LZMA2_IS_UNCOMPRESSED_STATE(p))
+      {
+        if ((p->control & 0x7F) > 2)
+          return LZMA2_STATE_ERROR;
+        p->unpackSize = 0;
+      }
+      else
+        p->unpackSize = (UInt32)(p->control & 0x1F) << 16;
+      return LZMA2_STATE_UNPACK0;
+    
+    case LZMA2_STATE_UNPACK0:
+      p->unpackSize |= (UInt32)b << 8;
+      return LZMA2_STATE_UNPACK1;
+    
+    case LZMA2_STATE_UNPACK1:
+      p->unpackSize |= (UInt32)b;
+      p->unpackSize++;
+      PRF(printf(" %8u", (unsigned)p->unpackSize));
+      return (LZMA2_IS_UNCOMPRESSED_STATE(p)) ? LZMA2_STATE_DATA : LZMA2_STATE_PACK0;
+    
+    case LZMA2_STATE_PACK0:
+      p->packSize = (UInt32)b << 8;
+      return LZMA2_STATE_PACK1;
+
+    case LZMA2_STATE_PACK1:
+      p->packSize |= (UInt32)b;
+      p->packSize++;
+      PRF(printf(" %8u", (unsigned)p->packSize));
+      return LZMA2_IS_THERE_PROP(LZMA2_GET_LZMA_MODE(p)) ? LZMA2_STATE_PROP:
+        (p->needInitProp ? LZMA2_STATE_ERROR : LZMA2_STATE_DATA);
+
+    case LZMA2_STATE_PROP:
+    {
+      unsigned lc, lp;
+      if (b >= (9 * 5 * 5))
+        return LZMA2_STATE_ERROR;
+      lc = b % 9;
+      b /= 9;
+      p->decoder.prop.pb = b / 5;
+      lp = b % 5;
+      if (lc + lp > LZMA2_LCLP_MAX)
+        return LZMA2_STATE_ERROR;
+      p->decoder.prop.lc = lc;
+      p->decoder.prop.lp = lp;
+      p->needInitProp = False;
+      return LZMA2_STATE_DATA;
+    }
+  }
+  return LZMA2_STATE_ERROR;
+}
+
+static void LzmaDec_UpdateWithUncompressed(CLzmaDec *p, const Byte *src, SizeT size)
+{
+  memcpy(p->dic + p->dicPos, src, size);
+  p->dicPos += size;
+  if (p->checkDicSize == 0 && p->prop.dicSize - p->processedPos <= size)
+    p->checkDicSize = p->prop.dicSize;
+  p->processedPos += (UInt32)size;
+}
+
+static void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState);
+
+static SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
+    const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status)
+{
+  SizeT inSize = *srcLen;
+  *srcLen = 0;
+  *status = LZMA_STATUS_NOT_SPECIFIED;
+
+  while (p->state != LZMA2_STATE_FINISHED)
+  {
+    SizeT dicPos = p->decoder.dicPos;
+    
+    if (p->state == LZMA2_STATE_ERROR)
+      return SZ_ERROR_DATA;
+    
+    if (dicPos == dicLimit && finishMode == LZMA_FINISH_ANY)
+    {
+      *status = LZMA_STATUS_NOT_FINISHED;
+      return SZ_OK;
+    }
+
+    if (p->state != LZMA2_STATE_DATA && p->state != LZMA2_STATE_DATA_CONT)
+    {
+      if (*srcLen == inSize)
+      {
+        *status = LZMA_STATUS_NEEDS_MORE_INPUT;
+        return SZ_OK;
+      }
+      (*srcLen)++;
+      p->state = Lzma2Dec_UpdateState(p, *src++);
+
+      if (dicPos == dicLimit && p->state != LZMA2_STATE_FINISHED)
+      {
+        p->state = LZMA2_STATE_ERROR;
+        return SZ_ERROR_DATA;
+      }
+      continue;
+    }
+    
+    {
+      SizeT destSizeCur = dicLimit - dicPos;
+      SizeT srcSizeCur = inSize - *srcLen;
+      ELzmaFinishMode curFinishMode = LZMA_FINISH_ANY;
+      
+      if (p->unpackSize <= destSizeCur)
+      {
+        destSizeCur = (SizeT)p->unpackSize;
+        curFinishMode = LZMA_FINISH_END;
+      }
+
+      if (LZMA2_IS_UNCOMPRESSED_STATE(p))
+      {
+        if (*srcLen == inSize)
+        {
+          *status = LZMA_STATUS_NEEDS_MORE_INPUT;
+          return SZ_OK;
+        }
+
+        if (p->state == LZMA2_STATE_DATA)
+        {
+          Bool initDic = (p->control == LZMA2_CONTROL_COPY_RESET_DIC);
+          if (initDic)
+            p->needInitProp = p->needInitState = True;
+          else if (p->needInitDic)
+          {
+            p->state = LZMA2_STATE_ERROR;
+            return SZ_ERROR_DATA;
+          }
+          p->needInitDic = False;
+          LzmaDec_InitDicAndState(&p->decoder, initDic, False);
+        }
+
+        if (srcSizeCur > destSizeCur)
+          srcSizeCur = destSizeCur;
+
+        if (srcSizeCur == 0)
+        {
+          p->state = LZMA2_STATE_ERROR;
+          return SZ_ERROR_DATA;
+        }
+
+        LzmaDec_UpdateWithUncompressed(&p->decoder, src, srcSizeCur);
+
+        src += srcSizeCur;
+        *srcLen += srcSizeCur;
+        p->unpackSize -= (UInt32)srcSizeCur;
+        p->state = (p->unpackSize == 0) ? LZMA2_STATE_CONTROL : LZMA2_STATE_DATA_CONT;
+      }
+      else
+      {
+        SizeT outSizeProcessed;
+        SRes res;
+
+        if (p->state == LZMA2_STATE_DATA)
+        {
+          unsigned mode = LZMA2_GET_LZMA_MODE(p);
+          Bool initDic = (mode == 3);
+          Bool initState = (mode != 0);
+          if ((!initDic && p->needInitDic) || (!initState && p->needInitState))
+          {
+            p->state = LZMA2_STATE_ERROR;
+            return SZ_ERROR_DATA;
+          }
+          
+          LzmaDec_InitDicAndState(&p->decoder, initDic, initState);
+          p->needInitDic = False;
+          p->needInitState = False;
+          p->state = LZMA2_STATE_DATA_CONT;
+        }
+  
+        if (srcSizeCur > p->packSize)
+          srcSizeCur = (SizeT)p->packSize;
+          
+        res = LzmaDec_DecodeToDic(&p->decoder, dicPos + destSizeCur, src, &srcSizeCur, curFinishMode, status);
+        
+        src += srcSizeCur;
+        *srcLen += srcSizeCur;
+        p->packSize -= (UInt32)srcSizeCur;
+
+        outSizeProcessed = p->decoder.dicPos - dicPos;
+        p->unpackSize -= (UInt32)outSizeProcessed;
+
+        RINOK(res);
+        if (*status == LZMA_STATUS_NEEDS_MORE_INPUT)
+          return res;
+
+        if (srcSizeCur == 0 && outSizeProcessed == 0)
+        {
+          if (*status != LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK
+              || p->unpackSize != 0
+              || p->packSize != 0)
+          {
+            p->state = LZMA2_STATE_ERROR;
+            return SZ_ERROR_DATA;
+          }
+          p->state = LZMA2_STATE_CONTROL;
+        }
+        
+        if (*status == LZMA_STATUS_MAYBE_FINISHED_WITHOUT_MARK)
+          *status = LZMA_STATUS_NOT_FINISHED;
+      }
+    }
+  }
+  
+  *status = LZMA_STATUS_FINISHED_WITH_MARK;
+  return SZ_OK;
+}
+
+static SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status)
+{
+  SizeT outSize = *destLen, inSize = *srcLen;
+  *srcLen = *destLen = 0;
+  for (;;)
+  {
+    SizeT srcSizeCur = inSize, outSizeCur, dicPos;
+    ELzmaFinishMode curFinishMode;
+    SRes res;
+    if (p->decoder.dicPos == p->decoder.dicBufSize)
+      p->decoder.dicPos = 0;
+    dicPos = p->decoder.dicPos;
+    if (outSize > p->decoder.dicBufSize - dicPos)
+    {
+      outSizeCur = p->decoder.dicBufSize;
+      curFinishMode = LZMA_FINISH_ANY;
+    }
+    else
+    {
+      outSizeCur = dicPos + outSize;
+      curFinishMode = finishMode;
+    }
+
+    res = Lzma2Dec_DecodeToDic(p, outSizeCur, src, &srcSizeCur, curFinishMode, status);
+    src += srcSizeCur;
+    inSize -= srcSizeCur;
+    *srcLen += srcSizeCur;
+    outSizeCur = p->decoder.dicPos - dicPos;
+    memcpy(dest, p->decoder.dic + dicPos, outSizeCur);
+    dest += outSizeCur;
+    outSize -= outSizeCur;
+    *destLen += outSizeCur;
+    if (res != 0)
+      return res;
+    if (outSizeCur == 0 || outSize == 0)
+      return SZ_OK;
+  }
+}
+
+static SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
+    Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc)
+{
+  CLzma2Dec p;
+  SRes res;
+  SizeT outSize = *destLen, inSize = *srcLen;
+  *destLen = *srcLen = 0;
+  *status = LZMA_STATUS_NOT_SPECIFIED;
+  Lzma2Dec_Construct(&p);
+  RINOK(Lzma2Dec_AllocateProbs(&p, prop, alloc));
+  p.decoder.dic = dest;
+  p.decoder.dicBufSize = outSize;
+  Lzma2Dec_Init(&p);
+  *srcLen = inSize;
+  res = Lzma2Dec_DecodeToDic(&p, outSize, src, srcLen, finishMode, status);
+  *destLen = p.decoder.dicPos;
+  if (res == SZ_OK && *status == LZMA_STATUS_NEEDS_MORE_INPUT)
+    res = SZ_ERROR_INPUT_EOF;
+  Lzma2Dec_FreeProbs(&p, alloc);
+  return res;
+}
+
+#endif