1 files changed, 0 insertions, 909 deletions

diff --git a/src/libs/7zip/win/C/XzDec.c b/src/libs/7zip/win/C/XzDec.c
deleted file mode 100644
index 6eef587d3..000000000
--- a/src/libs/7zip/win/C/XzDec.c
+++ /dev/null
@@ -1,909 +0,0 @@
-/* XzDec.c -- Xz Decode
-2014-12-30 : Igor Pavlov : Public domain */
-
-#include "Precomp.h"
-
-/* #define XZ_DUMP */
-
-#ifdef XZ_DUMP
-#include <stdio.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "7zCrc.h"
-#include "Alloc.h"
-#include "Bra.h"
-#include "CpuArch.h"
-#include "Delta.h"
-#include "Lzma2Dec.h"
-
-#ifdef USE_SUBBLOCK
-#include "Bcj3Dec.c"
-#include "SbDec.c"
-#endif
-
-#include "Xz.h"
-
-#define XZ_CHECK_SIZE_MAX 64
-
-#define CODER_BUF_SIZE (1 << 17)
-
-unsigned Xz_ReadVarInt(const Byte *p, size_t maxSize, UInt64 *value)
-{
-  int i, limit;
-  *value = 0;
-  limit = (maxSize > 9) ? 9 : (int)maxSize;
-
-  for (i = 0; i < limit;)
-  {
-    Byte b = p[i];
-    *value |= (UInt64)(b & 0x7F) << (7 * i++);
-    if ((b & 0x80) == 0)
-      return (b == 0 && i != 1) ? 0 : i;
-  }
-  return 0;
-}
-
-/* ---------- BraState ---------- */
-
-#define BRA_BUF_SIZE (1 << 14)
-
-typedef struct
-{
-  size_t bufPos;
-  size_t bufConv;
-  size_t bufTotal;
-
-  UInt32 methodId;
-  int encodeMode;
-  UInt32 delta;
-  UInt32 ip;
-  UInt32 x86State;
-  Byte deltaState[DELTA_STATE_SIZE];
-
-  Byte buf[BRA_BUF_SIZE];
-} CBraState;
-
-void BraState_Free(void *pp, ISzAlloc *alloc)
-{
-  alloc->Free(alloc, pp);
-}
-
-SRes BraState_SetProps(void *pp, const Byte *props, size_t propSize, ISzAlloc *alloc)
-{
-  CBraState *p = ((CBraState *)pp);
-  alloc = alloc;
-  p->ip = 0;
-  if (p->methodId == XZ_ID_Delta)
-  {
-    if (propSize != 1)
-      return SZ_ERROR_UNSUPPORTED;
-    p->delta = (unsigned)props[0] + 1;
-  }
-  else
-  {
-    if (propSize == 4)
-    {
-      UInt32 v = GetUi32(props);
-      switch(p->methodId)
-      {
-        case XZ_ID_PPC:
-        case XZ_ID_ARM:
-        case XZ_ID_SPARC:
-          if ((v & 3) != 0)
-            return SZ_ERROR_UNSUPPORTED;
-          break;
-        case XZ_ID_ARMT:
-          if ((v & 1) != 0)
-            return SZ_ERROR_UNSUPPORTED;
-          break;
-        case XZ_ID_IA64:
-          if ((v & 0xF) != 0)
-            return SZ_ERROR_UNSUPPORTED;
-          break;
-      }
-      p->ip = v;
-    }
-    else if (propSize != 0)
-      return SZ_ERROR_UNSUPPORTED;
-  }
-  return SZ_OK;
-}
-
-void BraState_Init(void *pp)
-{
-  CBraState *p = ((CBraState *)pp);
-  p->bufPos = p->bufConv = p->bufTotal = 0;
-  x86_Convert_Init(p->x86State);
-  if (p->methodId == XZ_ID_Delta)
-    Delta_Init(p->deltaState);
-}
-
-#define CASE_BRA_CONV(isa) case XZ_ID_ ## isa: p->bufConv = isa ## _Convert(p->buf, p->bufTotal, p->ip, p->encodeMode); break;
-
-static SRes BraState_Code(void *pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
-    int srcWasFinished, ECoderFinishMode finishMode, int *wasFinished)
-{
-  CBraState *p = ((CBraState *)pp);
-  SizeT destLenOrig = *destLen;
-  SizeT srcLenOrig = *srcLen;
-  *destLen = 0;
-  *srcLen = 0;
-  finishMode = finishMode;
-  *wasFinished = 0;
-  while (destLenOrig > 0)
-  {
-    if (p->bufPos != p->bufConv)
-    {
-      size_t curSize = p->bufConv - p->bufPos;
-      if (curSize > destLenOrig)
-        curSize = destLenOrig;
-      memcpy(dest, p->buf + p->bufPos, curSize);
-      p->bufPos += curSize;
-      *destLen += curSize;
-      dest += curSize;
-      destLenOrig -= curSize;
-      continue;
-    }
-    p->bufTotal -= p->bufPos;
-    memmove(p->buf, p->buf + p->bufPos, p->bufTotal);
-    p->bufPos = 0;
-    p->bufConv = 0;
-    {
-      size_t curSize = BRA_BUF_SIZE - p->bufTotal;
-      if (curSize > srcLenOrig)
-        curSize = srcLenOrig;
-      memcpy(p->buf + p->bufTotal, src, curSize);
-      *srcLen += curSize;
-      src += curSize;
-      srcLenOrig -= curSize;
-      p->bufTotal += curSize;
-    }
-    if (p->bufTotal == 0)
-      break;
-    switch(p->methodId)
-    {
-      case XZ_ID_Delta:
-        if (p->encodeMode)
-          Delta_Encode(p->deltaState, p->delta, p->buf, p->bufTotal);
-        else
-          Delta_Decode(p->deltaState, p->delta, p->buf, p->bufTotal);
-        p->bufConv = p->bufTotal;
-        break;
-      case XZ_ID_X86:
-        p->bufConv = x86_Convert(p->buf, p->bufTotal, p->ip, &p->x86State, p->encodeMode);
-        break;
-      CASE_BRA_CONV(PPC)
-      CASE_BRA_CONV(IA64)
-      CASE_BRA_CONV(ARM)
-      CASE_BRA_CONV(ARMT)
-      CASE_BRA_CONV(SPARC)
-      default:
-        return SZ_ERROR_UNSUPPORTED;
-    }
-    p->ip += (UInt32)p->bufConv;
-
-    if (p->bufConv == 0)
-    {
-      if (!srcWasFinished)
-        break;
-      p->bufConv = p->bufTotal;
-    }
-  }
-  if (p->bufTotal == p->bufPos && srcLenOrig == 0 && srcWasFinished)
-    *wasFinished = 1;
-  return SZ_OK;
-}
-
-SRes BraState_SetFromMethod(IStateCoder *p, UInt64 id, int encodeMode, ISzAlloc *alloc)
-{
-  CBraState *decoder;
-  if (id != XZ_ID_Delta &&
-      id != XZ_ID_X86 &&
-      id != XZ_ID_PPC &&
-      id != XZ_ID_IA64 &&
-      id != XZ_ID_ARM &&
-      id != XZ_ID_ARMT &&
-      id != XZ_ID_SPARC)
-    return SZ_ERROR_UNSUPPORTED;
-  p->p = 0;
-  decoder = (CBraState *)alloc->Alloc(alloc, sizeof(CBraState));
-  if (decoder == 0)
-    return SZ_ERROR_MEM;
-  decoder->methodId = (UInt32)id;
-  decoder->encodeMode = encodeMode;
-  p->p = decoder;
-  p->Free = BraState_Free;
-  p->SetProps = BraState_SetProps;
-  p->Init = BraState_Init;
-  p->Code = BraState_Code;
-  return SZ_OK;
-}
-
-/* ---------- SbState ---------- */
-
-#ifdef USE_SUBBLOCK
-
-static void SbState_Free(void *pp, ISzAlloc *alloc)
-{
-  CSbDec *p = (CSbDec *)pp;
-  SbDec_Free(p);
-  alloc->Free(alloc, pp);
-}
-
-static SRes SbState_SetProps(void *pp, const Byte *props, size_t propSize, ISzAlloc *alloc)
-{
-  pp = pp;
-  props = props;
-  alloc = alloc;
-  return (propSize == 0) ? SZ_OK : SZ_ERROR_UNSUPPORTED;
-}
-
-static void SbState_Init(void *pp)
-{
-  SbDec_Init((CSbDec *)pp);
-}
-
-static SRes SbState_Code(void *pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
-    int srcWasFinished, ECoderFinishMode finishMode, int *wasFinished)
-{
-  CSbDec *p = (CSbDec *)pp;
-  SRes res;
-  srcWasFinished = srcWasFinished;
-  p->dest = dest;
-  p->destLen = *destLen;
-  p->src = src;
-  p->srcLen = *srcLen;
-  p->finish = finishMode; /* change it */
-  res = SbDec_Decode((CSbDec *)pp);
-  *destLen -= p->destLen;
-  *srcLen -= p->srcLen;
-  *wasFinished = (*destLen == 0 && *srcLen == 0); /* change it */
-  return res;
-}
-
-SRes SbState_SetFromMethod(IStateCoder *p, ISzAlloc *alloc)
-{
-  CSbDec *decoder;
-  p->p = 0;
-  decoder = alloc->Alloc(alloc, sizeof(CSbDec));
-  if (decoder == 0)
-    return SZ_ERROR_MEM;
-  p->p = decoder;
-  p->Free = SbState_Free;
-  p->SetProps = SbState_SetProps;
-  p->Init = SbState_Init;
-  p->Code = SbState_Code;
-  SbDec_Construct(decoder);
-  SbDec_SetAlloc(decoder, alloc);
-  return SZ_OK;
-}
-#endif
-
-/* ---------- Lzma2State ---------- */
-
-static void Lzma2State_Free(void *pp, ISzAlloc *alloc)
-{
-  Lzma2Dec_Free((CLzma2Dec *)pp, alloc);
-  alloc->Free(alloc, pp);
-}
-
-static SRes Lzma2State_SetProps(void *pp, const Byte *props, size_t propSize, ISzAlloc *alloc)
-{
-  if (propSize != 1)
-    return SZ_ERROR_UNSUPPORTED;
-  return Lzma2Dec_Allocate((CLzma2Dec *)pp, props[0], alloc);
-}
-
-static void Lzma2State_Init(void *pp)
-{
-  Lzma2Dec_Init((CLzma2Dec *)pp);
-}
-
-static SRes Lzma2State_Code(void *pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
-    int srcWasFinished, ECoderFinishMode finishMode, int *wasFinished)
-{
-  ELzmaStatus status;
-  /* ELzmaFinishMode fm = (finishMode == LZMA_FINISH_ANY) ? LZMA_FINISH_ANY : LZMA_FINISH_END; */
-  SRes res = Lzma2Dec_DecodeToBuf((CLzma2Dec *)pp, dest, destLen, src, srcLen, (ELzmaFinishMode)finishMode, &status);
-  srcWasFinished = srcWasFinished;
-  *wasFinished = (status == LZMA_STATUS_FINISHED_WITH_MARK);
-  return res;
-}
-
-static SRes Lzma2State_SetFromMethod(IStateCoder *p, ISzAlloc *alloc)
-{
-  CLzma2Dec *decoder = (CLzma2Dec *)alloc->Alloc(alloc, sizeof(CLzma2Dec));
-  p->p = decoder;
-  if (decoder == 0)
-    return SZ_ERROR_MEM;
-  p->Free = Lzma2State_Free;
-  p->SetProps = Lzma2State_SetProps;
-  p->Init = Lzma2State_Init;
-  p->Code = Lzma2State_Code;
-  Lzma2Dec_Construct(decoder);
-  return SZ_OK;
-}
-
-
-void MixCoder_Construct(CMixCoder *p, ISzAlloc *alloc)
-{
-  int i;
-  p->alloc = alloc;
-  p->buf = 0;
-  p->numCoders = 0;
-  for (i = 0; i < MIXCODER_NUM_FILTERS_MAX; i++)
-    p->coders[i].p = NULL;
-}
-
-void MixCoder_Free(CMixCoder *p)
-{
-  int i;
-  for (i = 0; i < p->numCoders; i++)
-  {
-    IStateCoder *sc = &p->coders[i];
-    if (p->alloc && sc->p)
-      sc->Free(sc->p, p->alloc);
-  }
-  p->numCoders = 0;
-  if (p->buf)
-  {
-    p->alloc->Free(p->alloc, p->buf);
-    p->buf = 0; /* 9.31: the BUG was fixed */
-  }
-}
-
-void MixCoder_Init(CMixCoder *p)
-{
-  int i;
-  for (i = 0; i < p->numCoders - 1; i++)
-  {
-    p->size[i] = 0;
-    p->pos[i] = 0;
-    p->finished[i] = 0;
-  }
-  for (i = 0; i < p->numCoders; i++)
-  {
-    IStateCoder *coder = &p->coders[i];
-    coder->Init(coder->p);
-  }
-}
-
-SRes MixCoder_SetFromMethod(CMixCoder *p, int coderIndex, UInt64 methodId)
-{
-  IStateCoder *sc = &p->coders[coderIndex];
-  p->ids[coderIndex] = methodId;
-  switch(methodId)
-  {
-    case XZ_ID_LZMA2: return Lzma2State_SetFromMethod(sc, p->alloc);
-    #ifdef USE_SUBBLOCK
-    case XZ_ID_Subblock: return SbState_SetFromMethod(sc, p->alloc);
-    #endif
-  }
-  if (coderIndex == 0)
-    return SZ_ERROR_UNSUPPORTED;
-  return BraState_SetFromMethod(sc, methodId, 0, p->alloc);
-}
-
-SRes MixCoder_Code(CMixCoder *p, Byte *dest, SizeT *destLen,
-    const Byte *src, SizeT *srcLen, int srcWasFinished,
-    ECoderFinishMode finishMode, ECoderStatus *status)
-{
-  SizeT destLenOrig = *destLen;
-  SizeT srcLenOrig = *srcLen;
-  Bool allFinished = True;
-  *destLen = 0;
-  *srcLen = 0;
-  *status = CODER_STATUS_NOT_FINISHED;
-
-  if (p->buf == 0)
-  {
-    p->buf = (Byte *)p->alloc->Alloc(p->alloc, CODER_BUF_SIZE * (MIXCODER_NUM_FILTERS_MAX - 1));
-    if (p->buf == 0)
-      return SZ_ERROR_MEM;
-  }
-
-  if (p->numCoders != 1)
-    finishMode = CODER_FINISH_ANY;
-
-  for (;;)
-  {
-    Bool processed = False;
-    int i;
-    /*
-    if (p->numCoders == 1 && *destLen == destLenOrig && finishMode == LZMA_FINISH_ANY)
-      break;
-    */
-
-    for (i = 0; i < p->numCoders; i++)
-    {
-      SRes res;
-      IStateCoder *coder = &p->coders[i];
-      Byte *destCur;
-      SizeT destLenCur, srcLenCur;
-      const Byte *srcCur;
-      int srcFinishedCur;
-      int encodingWasFinished;
-
-      if (i == 0)
-      {
-        srcCur = src;
-        srcLenCur = srcLenOrig - *srcLen;
-        srcFinishedCur = srcWasFinished;
-      }
-      else
-      {
-        srcCur = p->buf + (CODER_BUF_SIZE * (i - 1)) + p->pos[i - 1];
-        srcLenCur = p->size[i - 1] - p->pos[i - 1];
-        srcFinishedCur = p->finished[i - 1];
-      }
-
-      if (i == p->numCoders - 1)
-      {
-        destCur = dest;
-        destLenCur = destLenOrig - *destLen;
-      }
-      else
-      {
-        if (p->pos[i] != p->size[i])
-          continue;
-        destCur = p->buf + (CODER_BUF_SIZE * i);
-        destLenCur = CODER_BUF_SIZE;
-      }
-
-      res = coder->Code(coder->p, destCur, &destLenCur, srcCur, &srcLenCur, srcFinishedCur, finishMode, &encodingWasFinished);
-
-      if (!encodingWasFinished)
-        allFinished = False;
-
-      if (i == 0)
-      {
-        *srcLen += srcLenCur;
-        src += srcLenCur;
-      }
-      else
-      {
-        p->pos[i - 1] += srcLenCur;
-      }
-
-      if (i == p->numCoders - 1)
-      {
-        *destLen += destLenCur;
-        dest += destLenCur;
-      }
-      else
-      {
-        p->size[i] = destLenCur;
-        p->pos[i] = 0;
-        p->finished[i] = encodingWasFinished;
-      }
-
-      if (res != SZ_OK)
-        return res;
-
-      if (destLenCur != 0 || srcLenCur != 0)
-        processed = True;
-    }
-    if (!processed)
-      break;
-  }
-  if (allFinished)
-    *status = CODER_STATUS_FINISHED_WITH_MARK;
-  return SZ_OK;
-}
-
-SRes Xz_ParseHeader(CXzStreamFlags *p, const Byte *buf)
-{
-  *p = (CXzStreamFlags)GetBe16(buf + XZ_SIG_SIZE);
-  if (CrcCalc(buf + XZ_SIG_SIZE, XZ_STREAM_FLAGS_SIZE) !=
-      GetUi32(buf + XZ_SIG_SIZE + XZ_STREAM_FLAGS_SIZE))
-    return SZ_ERROR_NO_ARCHIVE;
-  return XzFlags_IsSupported(*p) ? SZ_OK : SZ_ERROR_UNSUPPORTED;
-}
-
-static Bool Xz_CheckFooter(CXzStreamFlags flags, UInt64 indexSize, const Byte *buf)
-{
-  return
-      indexSize == (((UInt64)GetUi32(buf + 4) + 1) << 2) &&
-      (GetUi32(buf) == CrcCalc(buf + 4, 6) &&
-      flags == GetBe16(buf + 8) &&
-      memcmp(buf + 10, XZ_FOOTER_SIG, XZ_FOOTER_SIG_SIZE) == 0);
-}
-
-#define READ_VARINT_AND_CHECK(buf, pos, size, res) \
-  { unsigned s = Xz_ReadVarInt(buf + pos, size - pos, res); \
-  if (s == 0) return SZ_ERROR_ARCHIVE; pos += s; }
-
-
-SRes XzBlock_Parse(CXzBlock *p, const Byte *header)
-{
-  unsigned pos;
-  int numFilters, i;
-  UInt32 headerSize = (UInt32)header[0] << 2;
-
-  if (CrcCalc(header, headerSize) != GetUi32(header + headerSize))
-    return SZ_ERROR_ARCHIVE;
-
-  pos = 1;
-  if (pos == headerSize)
-    return SZ_ERROR_ARCHIVE;
-  p->flags = header[pos++];
-
-  if (XzBlock_HasPackSize(p))
-  {
-    READ_VARINT_AND_CHECK(header, pos, headerSize, &p->packSize);
-    if (p->packSize == 0 || p->packSize + headerSize >= (UInt64)1 << 63)
-      return SZ_ERROR_ARCHIVE;
-  }
-
-  if (XzBlock_HasUnpackSize(p))
-    READ_VARINT_AND_CHECK(header, pos, headerSize, &p->unpackSize);
-
-  numFilters = XzBlock_GetNumFilters(p);
-  for (i = 0; i < numFilters; i++)
-  {
-    CXzFilter *filter = p->filters + i;
-    UInt64 size;
-    READ_VARINT_AND_CHECK(header, pos, headerSize, &filter->id);
-    READ_VARINT_AND_CHECK(header, pos, headerSize, &size);
-    if (size > headerSize - pos || size > XZ_FILTER_PROPS_SIZE_MAX)
-      return SZ_ERROR_ARCHIVE;
-    filter->propsSize = (UInt32)size;
-    memcpy(filter->props, header + pos, (size_t)size);
-    pos += (unsigned)size;
-
-    #ifdef XZ_DUMP
-    printf("\nf[%d] = %2X: ", i, filter->id);
-    {
-      int i;
-      for (i = 0; i < size; i++)
-        printf(" %2X", filter->props[i]);
-    }
-    #endif
-  }
-
-  while (pos < headerSize)
-    if (header[pos++] != 0)
-      return SZ_ERROR_ARCHIVE;
-  return SZ_OK;
-}
-
-SRes XzDec_Init(CMixCoder *p, const CXzBlock *block)
-{
-  int i;
-  Bool needReInit = True;
-  int numFilters = XzBlock_GetNumFilters(block);
-  if (numFilters == p->numCoders)
-  {
-    for (i = 0; i < numFilters; i++)
-      if (p->ids[i] != block->filters[numFilters - 1 - i].id)
-        break;
-    needReInit = (i != numFilters);
-  }
-  if (needReInit)
-  {
-    MixCoder_Free(p);
-    p->numCoders = numFilters;
-    for (i = 0; i < numFilters; i++)
-    {
-      const CXzFilter *f = &block->filters[numFilters - 1 - i];
-      RINOK(MixCoder_SetFromMethod(p, i, f->id));
-    }
-  }
-  for (i = 0; i < numFilters; i++)
-  {
-    const CXzFilter *f = &block->filters[numFilters - 1 - i];
-    IStateCoder *sc = &p->coders[i];
-    RINOK(sc->SetProps(sc->p, f->props, f->propsSize, p->alloc));
-  }
-  MixCoder_Init(p);
-  return SZ_OK;
-}
-
-void XzUnpacker_Init(CXzUnpacker *p)
-{
-  p->state = XZ_STATE_STREAM_HEADER;
-  p->pos = 0;
-  p->numStartedStreams = 0;
-  p->numFinishedStreams = 0;
-  p->numTotalBlocks = 0;
-  p->padSize = 0;
-}
-
-void XzUnpacker_Construct(CXzUnpacker *p, ISzAlloc *alloc)
-{
-  MixCoder_Construct(&p->decoder, alloc);
-  XzUnpacker_Init(p);
-}
-
-void XzUnpacker_Free(CXzUnpacker *p)
-{
-  MixCoder_Free(&p->decoder);
-}
-
-SRes XzUnpacker_Code(CXzUnpacker *p, Byte *dest, SizeT *destLen,
-    const Byte *src, SizeT *srcLen, ECoderFinishMode finishMode, ECoderStatus *status)
-{
-  SizeT destLenOrig = *destLen;
-  SizeT srcLenOrig = *srcLen;
-  *destLen = 0;
-  *srcLen = 0;
-  *status = CODER_STATUS_NOT_SPECIFIED;
-  for (;;)
-  {
-    SizeT srcRem = srcLenOrig - *srcLen;
-
-    if (p->state == XZ_STATE_BLOCK)
-    {
-      SizeT destLen2 = destLenOrig - *destLen;
-      SizeT srcLen2 = srcLenOrig - *srcLen;
-      SRes res;
-      if (srcLen2 == 0 && destLen2 == 0)
-      {
-        *status = CODER_STATUS_NOT_FINISHED;
-        return SZ_OK;
-      }
-
-      res = MixCoder_Code(&p->decoder, dest, &destLen2, src, &srcLen2, False, finishMode, status);
-      XzCheck_Update(&p->check, dest, destLen2);
-
-      (*srcLen) += srcLen2;
-      src += srcLen2;
-      p->packSize += srcLen2;
-
-      (*destLen) += destLen2;
-      dest += destLen2;
-      p->unpackSize += destLen2;
-
-      RINOK(res);
-
-      if (*status == CODER_STATUS_FINISHED_WITH_MARK)
-      {
-        Byte temp[32];
-        unsigned num = Xz_WriteVarInt(temp, p->packSize + p->blockHeaderSize + XzFlags_GetCheckSize(p->streamFlags));
-        num += Xz_WriteVarInt(temp + num, p->unpackSize);
-        Sha256_Update(&p->sha, temp, num);
-        p->indexSize += num;
-        p->numBlocks++;
-
-        p->state = XZ_STATE_BLOCK_FOOTER;
-        p->pos = 0;
-        p->alignPos = 0;
-      }
-      else if (srcLen2 == 0 && destLen2 == 0)
-        return SZ_OK;
-
-      continue;
-    }
-
-    if (srcRem == 0)
-    {
-      *status = CODER_STATUS_NEEDS_MORE_INPUT;
-      return SZ_OK;
-    }
-
-    switch (p->state)
-    {
-      case XZ_STATE_STREAM_HEADER:
-      {
-        if (p->pos < XZ_STREAM_HEADER_SIZE)
-        {
-          if (p->pos < XZ_SIG_SIZE && *src != XZ_SIG[p->pos])
-            return SZ_ERROR_NO_ARCHIVE;
-          p->buf[p->pos++] = *src++;
-          (*srcLen)++;
-        }
-        else
-        {
-          RINOK(Xz_ParseHeader(&p->streamFlags, p->buf));
-          p->numStartedStreams++;
-          p->state = XZ_STATE_BLOCK_HEADER;
-          Sha256_Init(&p->sha);
-          p->indexSize = 0;
-          p->numBlocks = 0;
-          p->pos = 0;
-        }
-        break;
-      }
-
-      case XZ_STATE_BLOCK_HEADER:
-      {
-        if (p->pos == 0)
-        {
-          p->buf[p->pos++] = *src++;
-          (*srcLen)++;
-          if (p->buf[0] == 0)
-          {
-            p->indexPreSize = 1 + Xz_WriteVarInt(p->buf + 1, p->numBlocks);
-            p->indexPos = p->indexPreSize;
-            p->indexSize += p->indexPreSize;
-            Sha256_Final(&p->sha, p->shaDigest);
-            Sha256_Init(&p->sha);
-            p->crc = CrcUpdate(CRC_INIT_VAL, p->buf, p->indexPreSize);
-            p->state = XZ_STATE_STREAM_INDEX;
-          }
-          p->blockHeaderSize = ((UInt32)p->buf[0] << 2) + 4;
-        }
-        else if (p->pos != p->blockHeaderSize)
-        {
-          UInt32 cur = p->blockHeaderSize - p->pos;
-          if (cur > srcRem)
-            cur = (UInt32)srcRem;
-          memcpy(p->buf + p->pos, src, cur);
-          p->pos += cur;
-          (*srcLen) += cur;
-          src += cur;
-        }
-        else
-        {
-          RINOK(XzBlock_Parse(&p->block, p->buf));
-          p->numTotalBlocks++;
-          p->state = XZ_STATE_BLOCK;
-          p->packSize = 0;
-          p->unpackSize = 0;
-          XzCheck_Init(&p->check, XzFlags_GetCheckType(p->streamFlags));
-          RINOK(XzDec_Init(&p->decoder, &p->block));
-        }
-        break;
-      }
-
-      case XZ_STATE_BLOCK_FOOTER:
-      {
-        if (((p->packSize + p->alignPos) & 3) != 0)
-        {
-          (*srcLen)++;
-          p->alignPos++;
-          if (*src++ != 0)
-            return SZ_ERROR_CRC;
-        }
-        else
-        {
-          UInt32 checkSize = XzFlags_GetCheckSize(p->streamFlags);
-          UInt32 cur = checkSize - p->pos;
-          if (cur != 0)
-          {
-            if (cur > srcRem)
-              cur = (UInt32)srcRem;
-            memcpy(p->buf + p->pos, src, cur);
-            p->pos += cur;
-            (*srcLen) += cur;
-            src += cur;
-          }
-          else
-          {
-            Byte digest[XZ_CHECK_SIZE_MAX];
-            p->state = XZ_STATE_BLOCK_HEADER;
-            p->pos = 0;
-            if (XzCheck_Final(&p->check, digest) && memcmp(digest, p->buf, checkSize) != 0)
-              return SZ_ERROR_CRC;
-          }
-        }
-        break;
-      }
-
-      case XZ_STATE_STREAM_INDEX:
-      {
-        if (p->pos < p->indexPreSize)
-        {
-          (*srcLen)++;
-          if (*src++ != p->buf[p->pos++])
-            return SZ_ERROR_CRC;
-        }
-        else
-        {
-          if (p->indexPos < p->indexSize)
-          {
-            UInt64 cur = p->indexSize - p->indexPos;
-            if (srcRem > cur)
-              srcRem = (SizeT)cur;
-            p->crc = CrcUpdate(p->crc, src, srcRem);
-            Sha256_Update(&p->sha, src, srcRem);
-            (*srcLen) += srcRem;
-            src += srcRem;
-            p->indexPos += srcRem;
-          }
-          else if ((p->indexPos & 3) != 0)
-          {
-            Byte b = *src++;
-            p->crc = CRC_UPDATE_BYTE(p->crc, b);
-            (*srcLen)++;
-            p->indexPos++;
-            p->indexSize++;
-            if (b != 0)
-              return SZ_ERROR_CRC;
-          }
-          else
-          {
-            Byte digest[SHA256_DIGEST_SIZE];
-            p->state = XZ_STATE_STREAM_INDEX_CRC;
-            p->indexSize += 4;
-            p->pos = 0;
-            Sha256_Final(&p->sha, digest);
-            if (memcmp(digest, p->shaDigest, SHA256_DIGEST_SIZE) != 0)
-              return SZ_ERROR_CRC;
-          }
-        }
-        break;
-      }
-
-      case XZ_STATE_STREAM_INDEX_CRC:
-      {
-        if (p->pos < 4)
-        {
-          (*srcLen)++;
-          p->buf[p->pos++] = *src++;
-        }
-        else
-        {
-          p->state = XZ_STATE_STREAM_FOOTER;
-          p->pos = 0;
-          if (CRC_GET_DIGEST(p->crc) != GetUi32(p->buf))
-            return SZ_ERROR_CRC;
-        }
-        break;
-      }
-
-      case XZ_STATE_STREAM_FOOTER:
-      {
-        UInt32 cur = XZ_STREAM_FOOTER_SIZE - p->pos;
-        if (cur > srcRem)
-          cur = (UInt32)srcRem;
-        memcpy(p->buf + p->pos, src, cur);
-        p->pos += cur;
-        (*srcLen) += cur;
-        src += cur;
-        if (p->pos == XZ_STREAM_FOOTER_SIZE)
-        {
-          p->state = XZ_STATE_STREAM_PADDING;
-          p->numFinishedStreams++;
-          p->padSize = 0;
-          if (!Xz_CheckFooter(p->streamFlags, p->indexSize, p->buf))
-            return SZ_ERROR_CRC;
-        }
-        break;
-      }
-
-      case XZ_STATE_STREAM_PADDING:
-      {
-        if (*src != 0)
-        {
-          if (((UInt32)p->padSize & 3) != 0)
-            return SZ_ERROR_NO_ARCHIVE;
-          p->pos = 0;
-          p->state = XZ_STATE_STREAM_HEADER;
-        }
-        else
-        {
-          (*srcLen)++;
-          src++;
-          p->padSize++;
-        }
-        break;
-      }
-
-      case XZ_STATE_BLOCK: break; /* to disable GCC warning */
-    }
-  }
-  /*
-  if (p->state == XZ_STATE_FINISHED)
-    *status = CODER_STATUS_FINISHED_WITH_MARK;
-  return SZ_OK;
-  */
-}
-
-Bool XzUnpacker_IsStreamWasFinished(CXzUnpacker *p)
-{
-  return (p->state == XZ_STATE_STREAM_PADDING) && (((UInt32)p->padSize & 3) == 0);
-}
-
-UInt64 XzUnpacker_GetExtraSize(CXzUnpacker *p)
-{
-  UInt64 num = 0;
-  if (p->state == XZ_STATE_STREAM_PADDING)
-    num += p->padSize;
-  else if (p->state == XZ_STATE_STREAM_HEADER)
-    num += p->padSize + p->pos;
-  return num;
-}