diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/Archive/7z/7zDecode.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Archive/7z/7zDecode.cpp	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,330 @@
+// 7zDecode.cpp
+
+#include "StdAfx.h"
+
+#include "7zDecode.h"
+
+#include "../../IPassword.h"
+#include "../../Common/LockedStream.h"
+#include "../../Common/StreamObjects.h"
+#include "../../Common/ProgressUtils.h"
+#include "../../Common/LimitedStreams.h"
+#include "../../Common/CreateCoder.h"
+#include "../../Common/FilterCoder.h"
+
+namespace NArchive {
+namespace N7z {
+
+static void ConvertFolderItemInfoToBindInfo(const CFolder &folder,
+    CBindInfoEx &bindInfo)
+{
+  bindInfo.Clear();
+  int i;
+  for (i = 0; i < folder.BindPairs.Size(); i++)
+  {
+    NCoderMixer::CBindPair bindPair;
+    bindPair.InIndex = (UInt32)folder.BindPairs[i].InIndex;
+    bindPair.OutIndex = (UInt32)folder.BindPairs[i].OutIndex;
+    bindInfo.BindPairs.Add(bindPair);
+  }
+  UInt32 outStreamIndex = 0;
+  for (i = 0; i < folder.Coders.Size(); i++)
+  {
+    NCoderMixer::CCoderStreamsInfo coderStreamsInfo;
+    const CCoderInfo &coderInfo = folder.Coders[i];
+    coderStreamsInfo.NumInStreams = (UInt32)coderInfo.NumInStreams;
+    coderStreamsInfo.NumOutStreams = (UInt32)coderInfo.NumOutStreams;
+    bindInfo.Coders.Add(coderStreamsInfo);
+    bindInfo.CoderMethodIDs.Add(coderInfo.MethodID);
+    for (UInt32 j = 0; j < coderStreamsInfo.NumOutStreams; j++, outStreamIndex++)
+      if (folder.FindBindPairForOutStream(outStreamIndex) < 0)
+        bindInfo.OutStreams.Add(outStreamIndex);
+  }
+  for (i = 0; i < folder.PackStreams.Size(); i++)
+    bindInfo.InStreams.Add((UInt32)folder.PackStreams[i]);
+}
+
+static bool AreCodersEqual(const NCoderMixer::CCoderStreamsInfo &a1, 
+    const NCoderMixer::CCoderStreamsInfo &a2)
+{
+  return (a1.NumInStreams == a2.NumInStreams) &&
+    (a1.NumOutStreams == a2.NumOutStreams);
+}
+
+static bool AreBindPairsEqual(const NCoderMixer::CBindPair &a1, const NCoderMixer::CBindPair &a2)
+{
+  return (a1.InIndex == a2.InIndex) &&
+    (a1.OutIndex == a2.OutIndex);
+}
+
+static bool AreBindInfoExEqual(const CBindInfoEx &a1, const CBindInfoEx &a2)
+{
+  if (a1.Coders.Size() != a2.Coders.Size())
+    return false;
+  int i;
+  for (i = 0; i < a1.Coders.Size(); i++)
+    if (!AreCodersEqual(a1.Coders[i], a2.Coders[i]))
+      return false;
+  if (a1.BindPairs.Size() != a2.BindPairs.Size())
+    return false;
+  for (i = 0; i < a1.BindPairs.Size(); i++)
+    if (!AreBindPairsEqual(a1.BindPairs[i], a2.BindPairs[i]))
+      return false;
+  for (i = 0; i < a1.CoderMethodIDs.Size(); i++)
+    if (a1.CoderMethodIDs[i] != a2.CoderMethodIDs[i])
+      return false;
+  if (a1.InStreams.Size() != a2.InStreams.Size())
+    return false;
+  if (a1.OutStreams.Size() != a2.OutStreams.Size())
+    return false;
+  return true;
+}
+
+CDecoder::CDecoder(bool multiThread)
+{
+  #ifndef _ST_MODE
+  multiThread = true;
+  #endif
+  _multiThread = multiThread;
+  _bindInfoExPrevIsDefined = false;
+}
+
+HRESULT CDecoder::Decode(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    IInStream *inStream,
+    UInt64 startPos,
+    const UInt64 *packSizes,
+    const CFolder &folderInfo, 
+    ISequentialOutStream *outStream,
+    ICompressProgressInfo *compressProgress
+    #ifndef _NO_CRYPTO
+    , ICryptoGetTextPassword *getTextPassword
+    #endif
+    #ifdef COMPRESS_MT
+    , bool mtMode, UInt32 numThreads
+    #endif
+    )
+{
+  CObjectVector< CMyComPtr<ISequentialInStream> > inStreams;
+  
+  CLockedInStream lockedInStream;
+  lockedInStream.Init(inStream);
+  
+  for (int j = 0; j < folderInfo.PackStreams.Size(); j++)
+  {
+    CLockedSequentialInStreamImp *lockedStreamImpSpec = new 
+        CLockedSequentialInStreamImp;
+    CMyComPtr<ISequentialInStream> lockedStreamImp = lockedStreamImpSpec;
+    lockedStreamImpSpec->Init(&lockedInStream, startPos);
+    startPos += packSizes[j];
+    
+    CLimitedSequentialInStream *streamSpec = new 
+        CLimitedSequentialInStream;
+    CMyComPtr<ISequentialInStream> inStream = streamSpec;
+    streamSpec->SetStream(lockedStreamImp);
+    streamSpec->Init(packSizes[j]);
+    inStreams.Add(inStream);
+  }
+  
+  int numCoders = folderInfo.Coders.Size();
+  
+  CBindInfoEx bindInfo;
+  ConvertFolderItemInfoToBindInfo(folderInfo, bindInfo);
+  bool createNewCoders;
+  if (!_bindInfoExPrevIsDefined)
+    createNewCoders = true;
+  else
+    createNewCoders = !AreBindInfoExEqual(bindInfo, _bindInfoExPrev);
+  if (createNewCoders)
+  {
+    int i;
+    _decoders.Clear();
+    // _decoders2.Clear();
+    
+    _mixerCoder.Release();
+
+    if (_multiThread)
+    {
+      _mixerCoderMTSpec = new NCoderMixer::CCoderMixer2MT;
+      _mixerCoder = _mixerCoderMTSpec;
+      _mixerCoderCommon = _mixerCoderMTSpec;
+    }
+    else
+    {
+      #ifdef _ST_MODE
+      _mixerCoderSTSpec = new NCoderMixer::CCoderMixer2ST;
+      _mixerCoder = _mixerCoderSTSpec;
+      _mixerCoderCommon = _mixerCoderSTSpec;
+      #endif
+    }
+    RINOK(_mixerCoderCommon->SetBindInfo(bindInfo));
+    
+    for (i = 0; i < numCoders; i++)
+    {
+      const CCoderInfo &coderInfo = folderInfo.Coders[i];
+
+  
+      CMyComPtr<ICompressCoder> decoder;
+      CMyComPtr<ICompressCoder2> decoder2;
+      RINOK(CreateCoder(
+          EXTERNAL_CODECS_LOC_VARS
+          coderInfo.MethodID, decoder, decoder2, false));
+      CMyComPtr<IUnknown> decoderUnknown;
+      if (coderInfo.IsSimpleCoder())
+      {
+        if (decoder == 0)
+          return E_NOTIMPL;
+
+        decoderUnknown = (IUnknown *)decoder;
+        
+        if (_multiThread)
+          _mixerCoderMTSpec->AddCoder(decoder);
+        #ifdef _ST_MODE
+        else
+          _mixerCoderSTSpec->AddCoder(decoder, false);
+        #endif
+      }
+      else
+      {
+        if (decoder2 == 0)
+          return E_NOTIMPL;
+        decoderUnknown = (IUnknown *)decoder2;
+        if (_multiThread)
+          _mixerCoderMTSpec->AddCoder2(decoder2);
+        #ifdef _ST_MODE
+        else
+          _mixerCoderSTSpec->AddCoder2(decoder2, false);
+        #endif
+      }
+      _decoders.Add(decoderUnknown);
+      #ifdef EXTERNAL_CODECS
+      CMyComPtr<ISetCompressCodecsInfo> setCompressCodecsInfo;
+      decoderUnknown.QueryInterface(IID_ISetCompressCodecsInfo, (void **)&setCompressCodecsInfo);
+      if (setCompressCodecsInfo)
+      {
+        RINOK(setCompressCodecsInfo->SetCompressCodecsInfo(codecsInfo));
+      }
+      #endif
+    }
+    _bindInfoExPrev = bindInfo;
+    _bindInfoExPrevIsDefined = true;
+  }
+  int i;
+  _mixerCoderCommon->ReInit();
+  
+  UInt32 packStreamIndex = 0, unPackStreamIndex = 0;
+  UInt32 coderIndex = 0;
+  // UInt32 coder2Index = 0;
+  
+  for (i = 0; i < numCoders; i++)
+  {
+    const CCoderInfo &coderInfo = folderInfo.Coders[i];
+    CMyComPtr<IUnknown> &decoder = _decoders[coderIndex];
+    
+    {
+      CMyComPtr<ICompressSetDecoderProperties2> setDecoderProperties;
+      decoder.QueryInterface(IID_ICompressSetDecoderProperties2, &setDecoderProperties);
+      if (setDecoderProperties)
+      {
+        const CByteBuffer &properties = coderInfo.Properties;
+        size_t size = properties.GetCapacity();
+        if (size > 0xFFFFFFFF)
+          return E_NOTIMPL;
+        if (size > 0)
+        {
+          RINOK(setDecoderProperties->SetDecoderProperties2((const Byte *)properties, (UInt32)size));
+        }
+      }
+    }
+
+    #ifdef COMPRESS_MT
+    if (mtMode)
+    {
+      CMyComPtr<ICompressSetCoderMt> setCoderMt;
+      decoder.QueryInterface(IID_ICompressSetCoderMt, &setCoderMt);
+      if (setCoderMt)
+      {
+        RINOK(setCoderMt->SetNumberOfThreads(numThreads));
+      }
+    }
+    #endif
+
+    #ifndef _NO_CRYPTO
+    {
+      CMyComPtr<ICryptoSetPassword> cryptoSetPassword;
+      decoder.QueryInterface(IID_ICryptoSetPassword, &cryptoSetPassword);
+      if (cryptoSetPassword)
+      {
+        if (getTextPassword == 0)
+          return E_FAIL;
+        CMyComBSTR password;
+        RINOK(getTextPassword->CryptoGetTextPassword(&password));
+        CByteBuffer buffer;
+        UString unicodePassword(password);
+        const UInt32 sizeInBytes = unicodePassword.Length() * 2;
+        buffer.SetCapacity(sizeInBytes);
+        for (int i = 0; i < unicodePassword.Length(); i++)
+        {
+          wchar_t c = unicodePassword[i];
+          ((Byte *)buffer)[i * 2] = (Byte)c;
+          ((Byte *)buffer)[i * 2 + 1] = (Byte)(c >> 8);
+        }
+        RINOK(cryptoSetPassword->CryptoSetPassword(
+          (const Byte *)buffer, sizeInBytes));
+      }
+    }
+    #endif
+
+    coderIndex++;
+    
+    UInt32 numInStreams = (UInt32)coderInfo.NumInStreams;
+    UInt32 numOutStreams = (UInt32)coderInfo.NumOutStreams;
+    CRecordVector<const UInt64 *> packSizesPointers;
+    CRecordVector<const UInt64 *> unPackSizesPointers;
+    packSizesPointers.Reserve(numInStreams);
+    unPackSizesPointers.Reserve(numOutStreams);
+    UInt32 j;
+    for (j = 0; j < numOutStreams; j++, unPackStreamIndex++)
+      unPackSizesPointers.Add(&folderInfo.UnPackSizes[unPackStreamIndex]);
+    
+    for (j = 0; j < numInStreams; j++, packStreamIndex++)
+    {
+      int bindPairIndex = folderInfo.FindBindPairForInStream(packStreamIndex);
+      if (bindPairIndex >= 0)
+        packSizesPointers.Add(
+        &folderInfo.UnPackSizes[(UInt32)folderInfo.BindPairs[bindPairIndex].OutIndex]);
+      else
+      {
+        int index = folderInfo.FindPackStreamArrayIndex(packStreamIndex);
+        if (index < 0)
+          return E_FAIL;
+        packSizesPointers.Add(&packSizes[index]);
+      }
+    }
+    
+    _mixerCoderCommon->SetCoderInfo(i, 
+        &packSizesPointers.Front(), 
+        &unPackSizesPointers.Front());
+  }
+  UInt32 mainCoder, temp;
+  bindInfo.FindOutStream(bindInfo.OutStreams[0], mainCoder, temp);
+
+  if (_multiThread)
+    _mixerCoderMTSpec->SetProgressCoderIndex(mainCoder);
+  /*
+  else
+    _mixerCoderSTSpec->SetProgressCoderIndex(mainCoder);;
+  */
+  
+  if (numCoders == 0)
+    return 0;
+  CRecordVector<ISequentialInStream *> inStreamPointers;
+  inStreamPointers.Reserve(inStreams.Size());
+  for (i = 0; i < inStreams.Size(); i++)
+    inStreamPointers.Add(inStreams[i]);
+  ISequentialOutStream *outStreamPointer = outStream;
+  return _mixerCoder->Code(&inStreamPointers.Front(), NULL, 
+    inStreams.Size(), &outStreamPointer, NULL, 1, compressProgress);
+}
+
+}}