4.56 beta

CPP/7zip/Archive/7z/7zExtract.cpp

@@ -195,7 +195,7 @@ STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
         0,
         #endif
         startIndex, 
-        &efi.ExtractStatuses, extractCallback, testMode);
+        &efi.ExtractStatuses, extractCallback, testMode, _crcSize != 0);
 
     RINOK(result);
 

CPP/7zip/Archive/7z/7zFolderInStream.cpp

@@ -113,13 +113,14 @@ STDMETHODIMP CFolderInStream::Read(void *data, UInt32 size, UInt32 *processedSiz
 STDMETHODIMP CFolderInStream::GetSubStreamSize(UInt64 subStream, UInt64 *value)
 {
   *value = 0;
-  if (subStream < Sizes.Size())
+  int subStreamIndex = (int)subStream;
+  if (subStreamIndex < 0 || subStream > Sizes.Size())
+    return E_FAIL;
+  if (subStreamIndex < Sizes.Size())
   {
-    *value= Sizes[(int)(size_t)subStream];
+    *value= Sizes[subStreamIndex];
     return S_OK;
   }
-  if (subStream > Sizes.Size())
-    return E_FAIL;
   if (!_currentSizeIsDefined)
     return S_FALSE;
   *value = _currentSize;

CPP/7zip/Archive/7z/7zFolderOutStream.cpp

@@ -19,7 +19,8 @@ HRESULT CFolderOutStream::Init(
     UInt32 startIndex,
     const CBoolVector *extractStatuses, 
     IArchiveExtractCallback *extractCallback,
-    bool testMode)
+    bool testMode,
+    bool checkCrc)
 {
   _archiveDatabase = archiveDatabase;
   _ref2Offset = ref2Offset;
@@ -29,6 +30,8 @@ HRESULT CFolderOutStream::Init(
   _extractCallback = extractCallback;
   _testMode = testMode;
 
+  _checkCrc = checkCrc;
+
   _currentIndex = 0;
   _fileIsOpen = false;
   return WriteEmptyFiles();
@@ -49,7 +52,7 @@ HRESULT CFolderOutStream::OpenFile()
   RINOK(_extractCallback->GetStream(_ref2Offset + index, &realOutStream, askMode));
 
   _outStreamWithHashSpec->SetStream(realOutStream);
-  _outStreamWithHashSpec->Init();
+  _outStreamWithHashSpec->Init(_checkCrc);
   if (askMode == NArchive::NExtract::NAskMode::kExtract &&
       (!realOutStream)) 
   {
@@ -100,7 +103,7 @@ STDMETHODIMP CFolderOutStream::Write(const void *data,
       if (_filePos == fileSize)
       {
         bool digestsAreEqual;
-        if (fileInfo.IsFileCRCDefined)
+        if (fileInfo.IsFileCRCDefined && _checkCrc)
           digestsAreEqual = fileInfo.FileCRC == _outStreamWithHashSpec->GetCRC();
         else
           digestsAreEqual = true;

CPP/7zip/Archive/7z/7zFolderOutStream.h

@@ -36,6 +36,8 @@ private:
   bool _testMode;
 
   bool _fileIsOpen;
+
+  bool _checkCrc;
   UInt64 _filePos;
 
   HRESULT OpenFile();
@@ -47,7 +49,8 @@ public:
       UInt32 startIndex,
       const CBoolVector *extractStatuses, 
       IArchiveExtractCallback *extractCallback,
-      bool testMode);
+      bool testMode,
+      bool checkCrc);
   HRESULT FlushCorrupted(Int32 resultEOperationResult);
   HRESULT WasWritingFinished();
 };

CPP/7zip/Archive/7z/7zHandler.cpp

@@ -33,6 +33,8 @@ namespace N7z {
 
 CHandler::CHandler()
 {
+  _crcSize = 4;
+
   #ifdef EXTRACT_ONLY
   #ifdef COMPRESS_MT
   _numThreads = NWindows::NSystem::GetNumberOfProcessors();

CPP/7zip/Archive/7z/7zHandler.h

@@ -110,7 +110,9 @@ private:
   #ifdef COMPRESS_MT
   UInt32 _numThreads;
   #endif
-  
+
+  UInt32 _crcSize;
+
   #else
   
   CRecordVector<CBind> _binds;