1 files changed, 0 insertions, 175 deletions
diff --git a/7zip/Archive/Cab/CabInBuffer.cpp b/7zip/Archive/Cab/CabInBuffer.cpp
deleted file mode 100755
index c429033c..00000000
--- a/7zip/Archive/Cab/CabInBuffer.cpp
+++ /dev/null
@@ -1,175 +0,0 @@
-// Archive/CabInBuffer.cpp
-
-#include "StdAfx.h"
-
-#include "../../../Common/Alloc.h"
-#include "../../../Common/MyCom.h"
-#include "../../../Windows/Defs.h"
-#include "CabInBuffer.h"
-
-namespace NArchive {
-namespace NCab {
-
-static const UInt32 kDataBlockHeaderSize = 8;
-/*
-struct CDataBlockHeader
-{
-  UInt32  CheckSum;	// checksum of this CFDATA entry
-  UInt16  PackSize;	// number of compressed bytes in this block
-  UInt16  UnPackSize;	// number of uncompressed bytes in this block
-  // Byte  abReserve[];	// (optional) per-datablock reserved area
-  // Byte  ab[cbData];	// compressed data bytes
-};
-*/
-
-class CTempCabInBuffer
-{
-public:
-  Byte *Buffer;
-  UInt32 Size;
-  UInt32 Pos;
-  Byte ReadByte()
-  {
-    if (Pos >= Size)
-      throw "overflow";
-    return Buffer[Pos++];
-  }
-  UInt32 ReadUInt32()
-  {
-    UInt32 value = 0;
-    for (int i = 0; i < 4; i++)
-      value |= (((UInt32)ReadByte()) << (8 * i));
-    return value;
-  }
-  UInt16 ReadUInt16()
-  {
-    UInt16 value = 0;
-    for (int i = 0; i < 2; i++)
-      value |= (((UInt16)ReadByte()) << (8 * i));
-    return value;
-  }
-};
-
-bool CInBuffer::Create(UInt32 bufferSize)
-{
-  const UInt32 kMinBlockSize = 1;
-  if (bufferSize < kMinBlockSize)
-    bufferSize = kMinBlockSize;
-  if (m_Buffer != 0 && m_BufferSize == bufferSize)
-    return true;
-  Free();
-  m_BufferSize = bufferSize;
-  m_Buffer = (Byte *)::BigAlloc(bufferSize);
-  return (m_Buffer != 0);
-}
-
-void CInBuffer::Free()
-{
-  BigFree(m_Buffer);
-  m_Buffer = 0;
-}
-
-void CInBuffer::Init(Byte reservedSize, UInt32 numBlocks)
-{
-  m_ReservedSize = reservedSize;
-  m_NumBlocks = numBlocks;
-  m_CurrentBlockIndex = 0;
-  m_ProcessedSize = 0;
-  m_Pos = 0;
-  m_NumReadBytesInBuffer = 0;
-}
-
-class CCheckSum
-{
-  UInt32 m_Value;
-public:
-  CCheckSum():  m_Value(0){};
-  void Init() { m_Value = 0; }
-  void Update(const void *data, UInt32 size);
-  void UpdateUInt32(UInt32 v) { m_Value ^= v; }
-  UInt32 GetResult() const { return m_Value; } 
-};
-
-void CCheckSum::Update(const void *data, UInt32 size)
-{
-  UInt32 checkSum = m_Value;
-  const Byte *dataPointer = (const Byte  *)data;
-  int numUINT32Words = size / 4; // Number of ULONGs
-  
-  UInt32 temp;
-  while (numUINT32Words-- > 0) 
-  {
-    temp = *dataPointer++;
-    temp |= (((UInt32)(*dataPointer++)) <<  8);
-    temp |= (((UInt32)(*dataPointer++)) << 16);
-    temp |= (((UInt32)(*dataPointer++)) << 24);
-    checkSum ^= temp;
-  }
-  
-  temp = 0;
-  int rem = (size & 3);
-  if (rem >= 3)
-    temp |= (((UInt32)(*dataPointer++)) << 16);
-  if (rem >= 2)
-    temp |= (((UInt32)(*dataPointer++)) <<  8);
-  if (rem >= 1)
-    temp |= *dataPointer++;
-  checkSum ^= temp;       
-  m_Value = checkSum;
-}
-
-HRESULT CInBuffer::ReadBlock(UInt32 &uncompressedSize, bool &dataAreCorrect)
-{
-  if (m_CurrentBlockIndex >= m_NumBlocks)
-    throw "there is no more data blocks";
-
-  m_ProcessedSize += m_NumReadBytesInBuffer;
-
-  Byte buffer[kDataBlockHeaderSize];
-  UInt32 numProcessedBytes;
-  RINOK(m_Stream->Read(buffer, kDataBlockHeaderSize, &numProcessedBytes));
-  if (numProcessedBytes != kDataBlockHeaderSize)
-    throw "bad block";
-  
-  CTempCabInBuffer inBuffer;
-  inBuffer.Size = kDataBlockHeaderSize;
-  inBuffer.Buffer = (Byte *)buffer;
-  inBuffer.Pos = 0;
-
-  UInt32 checkSum = inBuffer.ReadUInt32();	// checksum of this CFDATA entry
-  UInt16 packSize = inBuffer.ReadUInt16();	// number of compressed bytes in this block
-  UInt16 unPackSize = inBuffer.ReadUInt16();	// number of uncompressed bytes in this block
-  
-  if (m_ReservedSize != 0)
-  {
-    Byte reservedArea[256];
-    RINOK(m_Stream->Read(reservedArea, m_ReservedSize, &numProcessedBytes));
-    if (numProcessedBytes != m_ReservedSize)
-      throw "bad block";
-  }
-
-  RINOK(m_Stream->Read(m_Buffer, packSize, &m_NumReadBytesInBuffer));
-  if (m_NumReadBytesInBuffer != packSize)
-    throw "bad block";
-
-  // Cab specification: 
-  //   checkSum: May be set to zero if the checksum is not supplied.
-  // but seems it's stupid rule.
-  if (checkSum == 0)
-    dataAreCorrect = true;
-  else
-  {
-    CCheckSum checkSumCalc;
-    checkSumCalc.Update(m_Buffer, packSize);
-    checkSumCalc.UpdateUInt32(packSize | (((UInt32)unPackSize) << 16));
-    dataAreCorrect = (checkSumCalc.GetResult() == checkSum);
-  }
-
-  m_Pos = 0;
-  uncompressedSize = unPackSize;
-
-  m_CurrentBlockIndex++;
-  return S_OK;
-}
-
-}}