4.45 beta

2025-12-11 20:07:19 -06:00 · 2007-04-17 00:00:00 +00:00
parent d9666cf046
commit a145bfc7cf
458 changed files with 13144 additions and 18608 deletions
--- a/CPP/7zip/Archive/GZip/DllExports.cpp
+++ b/CPP/7zip/Archive/GZip/DllExports.cpp
@@ -1,125 +0,0 @@
-// DLLExports.cpp
-
-#include "StdAfx.h"
-
-#include "Common/MyInitGuid.h"
-#include "Common/ComTry.h"
-#include "Windows/PropVariant.h"
-#include "../../ICoder.h"
-#include "GZipHandler.h"
-
-// {23170F69-40C1-278A-1000-000110EF0000}
-DEFINE_GUID(CLSID_CGZipHandler, 
-0x23170F69, 0x40C1, 0x278A, 0x10, 0x00, 0x00, 0x01, 0x10, 0xEF, 0x00, 0x00);
-
-// {23170F69-40C1-278B-0401-080000000100}
-DEFINE_GUID(CLSID_CCompressDeflateEncoder, 
-0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00);
-
-// {23170F69-40C1-278B-0401-080000000000}
-DEFINE_GUID(CLSID_CCompressDeflateDecoder, 
-0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00);
-
-HINSTANCE g_hInstance;
-#ifndef _UNICODE
-bool g_IsNT = false;
-static bool IsItWindowsNT()
-{
-  OSVERSIONINFO versionInfo;
-  versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
-  if (!::GetVersionEx(&versionInfo)) 
-    return false;
-  return (versionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT);
-}
-#endif
-
-#ifndef COMPRESS_DEFLATE
-#include "../Common/CodecsPath.h"
-CSysString GetDeflateCodecPath()
-{
-  return GetCodecsFolderPrefix() + TEXT("Deflate.dll");
-}
-#endif
-
-extern "C"
-BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
-{
-  if (dwReason == DLL_PROCESS_ATTACH)
-  {
-    g_hInstance = hInstance;
-    #ifndef _UNICODE
-    g_IsNT = IsItWindowsNT();
-    #endif
-  }
-  return TRUE;
-}
-
-STDAPI CreateObject(
-    const GUID *classID, 
-    const GUID *interfaceID, 
-    void **outObject)
-{
-  COM_TRY_BEGIN
-  *outObject = 0;
-  if (*classID != CLSID_CGZipHandler)
-    return CLASS_E_CLASSNOTAVAILABLE;
-  int needIn = *interfaceID == IID_IInArchive;
-  int needOut = *interfaceID == IID_IOutArchive;
-  if (needIn || needOut)
-  {
-    NArchive::NGZip::CHandler *temp = new NArchive::NGZip::CHandler;
-    if (needIn)
-    {
-      CMyComPtr<IInArchive> inArchive = (IInArchive *)temp;
-      *outObject = inArchive.Detach();
-    }
-    else
-    {
-      CMyComPtr<IOutArchive> outArchive = (IOutArchive *)temp;
-      *outObject = outArchive.Detach();
-    }
-  }
-  else
-    return E_NOINTERFACE;
-  COM_TRY_END
-  return S_OK;
-}
-
-STDAPI GetHandlerProperty(PROPID propID, PROPVARIANT *value)
-{
-  NWindows::NCOM::CPropVariant propVariant;
-  switch(propID)
-  {
-    case NArchive::kName:
-      propVariant = L"GZip";
-      break;
-    case NArchive::kClassID:
-    {
-      if ((value->bstrVal = ::SysAllocStringByteLen(
-          (const char *)&CLSID_CGZipHandler, sizeof(GUID))) != 0)
-        value->vt = VT_BSTR;
-      return S_OK;
-    }
-    case NArchive::kExtension:
-      propVariant = L"gz gzip tgz tpz";
-      break;
-    case NArchive::kAddExtension:
-      propVariant = L"* * .tar .tar";
-      break;
-    case NArchive::kUpdate:
-      propVariant = true;
-      break;
-    case NArchive::kKeepName:
-      propVariant = true;
-      break;
-    case NArchive::kStartSignature:
-    {
-      const unsigned char sig[] = { 0x1F, 0x8B };
-      if ((value->bstrVal = ::SysAllocStringByteLen((const char *)sig, 2)) != 0)
-        value->vt = VT_BSTR;
-      return S_OK;
-    }
-  }
-  propVariant.Detach(value);
-  return S_OK;
-}
--- a/CPP/7zip/Archive/GZip/GZip.dsp
+++ b/CPP/7zip/Archive/GZip/GZip.dsp
@@ -1,321 +0,0 @@
-# Microsoft Developer Studio Project File - Name="GZip" - Package Owner=<4>
-# Microsoft Developer Studio Generated Build File, Format Version 6.00
-# ** DO NOT EDIT **
-
-# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
-
-CFG=GZip - Win32 Debug
-!MESSAGE This is not a valid makefile. To build this project using NMAKE,
-!MESSAGE use the Export Makefile command and run
-!MESSAGE 
-!MESSAGE NMAKE /f "GZip.mak".
-!MESSAGE 
-!MESSAGE You can specify a configuration when running NMAKE
-!MESSAGE by defining the macro CFG on the command line. For example:
-!MESSAGE 
-!MESSAGE NMAKE /f "GZip.mak" CFG="GZip - Win32 Debug"
-!MESSAGE 
-!MESSAGE Possible choices for configuration are:
-!MESSAGE 
-!MESSAGE "GZip - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
-!MESSAGE "GZip - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
-!MESSAGE 
-
-# Begin Project
-# PROP AllowPerConfigDependencies 0
-# PROP Scc_ProjName ""
-# PROP Scc_LocalPath ""
-CPP=cl.exe
-MTL=midl.exe
-RSC=rc.exe
-
-!IF  "$(CFG)" == "GZip - Win32 Release"
-
-# PROP BASE Use_MFC 0
-# PROP BASE Use_Debug_Libraries 0
-# PROP BASE Output_Dir "Release"
-# PROP BASE Intermediate_Dir "Release"
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 0
-# PROP Use_Debug_Libraries 0
-# PROP Output_Dir "Release"
-# PROP Intermediate_Dir "Release"
-# PROP Ignore_Export_Lib 1
-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "GZIP_EXPORTS" /YX /FD /c
-# ADD CPP /nologo /Gz /MD /W3 /GX /O1 /I "..\..\..\\" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "GZIP_EXPORTS" /Yu"StdAfx.h" /FD /c
-# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
-# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
-# ADD BASE RSC /l 0x419 /d "NDEBUG"
-# ADD RSC /l 0x419 /d "NDEBUG"
-BSC32=bscmake.exe
-# ADD BASE BSC32 /nologo
-# ADD BSC32 /nologo
-LINK32=link.exe
-# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386
-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386 /out:"C:\Program Files\7-Zip\Formats\gz.dll" /opt:NOWIN98
-# SUBTRACT LINK32 /pdb:none
-
-!ELSEIF  "$(CFG)" == "GZip - Win32 Debug"
-
-# PROP BASE Use_MFC 0
-# PROP BASE Use_Debug_Libraries 1
-# PROP BASE Output_Dir "Debug"
-# PROP BASE Intermediate_Dir "Debug"
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 0
-# PROP Use_Debug_Libraries 1
-# PROP Output_Dir "Debug"
-# PROP Intermediate_Dir "Debug"
-# PROP Ignore_Export_Lib 1
-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "GZIP_EXPORTS" /YX /FD /GZ /c
-# ADD CPP /nologo /Gz /MTd /W3 /Gm /GX /ZI /Od /I "..\..\..\\" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "GZIP_EXPORTS" /Yu"StdAfx.h" /FD /GZ /c
-# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
-# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
-# ADD BASE RSC /l 0x419 /d "_DEBUG"
-# ADD RSC /l 0x419 /d "_DEBUG"
-BSC32=bscmake.exe
-# ADD BASE BSC32 /nologo
-# ADD BSC32 /nologo
-LINK32=link.exe
-# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /out:"C:\Program Files\7-Zip\Formats\gz.dll" /pdbtype:sept
-
-!ENDIF 
-
-# Begin Target
-
-# Name "GZip - Win32 Release"
-# Name "GZip - Win32 Debug"
-# Begin Group "Spec"
-
-# PROP Default_Filter ""
-# Begin Source File
-
-SOURCE=..\Archive.def
-# End Source File
-# Begin Source File
-
-SOURCE=.\DllExports.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZip.ico
-# End Source File
-# Begin Source File
-
-SOURCE=.\resource.rc
-# End Source File
-# Begin Source File
-
-SOURCE=.\StdAfx.cpp
-# ADD CPP /Yc"StdAfx.h"
-# End Source File
-# Begin Source File
-
-SOURCE=.\StdAfx.h
-# End Source File
-# End Group
-# Begin Group "Common"
-
-# PROP Default_Filter ""
-# Begin Source File
-
-SOURCE=..\..\..\Common\Alloc.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\Alloc.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\CRC.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\CRC.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\NewHandler.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\NewHandler.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\String.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\String.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\StringConvert.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\StringConvert.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\StringToInt.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Common\StringToInt.h
-# End Source File
-# End Group
-# Begin Group "Windows"
-
-# PROP Default_Filter ""
-# Begin Source File
-
-SOURCE=..\..\..\Windows\DLL.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Windows\DLL.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Windows\PropVariant.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\..\Windows\PropVariant.h
-# End Source File
-# End Group
-# Begin Group "Compression"
-
-# PROP Default_Filter ""
-# Begin Source File
-
-SOURCE=..\..\Compress\Copy\CopyCoder.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\Compress\Copy\CopyCoder.h
-# End Source File
-# End Group
-# Begin Group "Engine"
-
-# PROP Default_Filter ""
-# Begin Source File
-
-SOURCE=.\GZipHandler.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipHandler.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipHandlerOut.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipHeader.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipHeader.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipIn.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipIn.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipItem.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipOut.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipOut.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipUpdate.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\GZipUpdate.h
-# End Source File
-# End Group
-# Begin Group "7zip Common"
-
-# PROP Default_Filter ""
-# Begin Source File
-
-SOURCE=..\..\Common\ProgressUtils.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\Common\ProgressUtils.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\Common\StreamUtils.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\..\Common\StreamUtils.h
-# End Source File
-# End Group
-# Begin Group "Archive Common"
-
-# PROP Default_Filter ""
-# Begin Source File
-
-SOURCE=..\Common\CodecsPath.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\Common\CodecsPath.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\Common\CoderLoader.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\Common\InStreamWithCRC.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\Common\InStreamWithCRC.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\Common\OutStreamWithCRC.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\Common\OutStreamWithCRC.h
-# End Source File
-# Begin Source File
-
-SOURCE=..\Common\ParseProperties.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=..\Common\ParseProperties.h
-# End Source File
-# End Group
-# Begin Source File
-
-SOURCE=.\gz.ico
-# End Source File
-# End Target
-# End Project
--- a/CPP/7zip/Archive/GZip/GZip.dsw
+++ b/CPP/7zip/Archive/GZip/GZip.dsw
@@ -1,29 +0,0 @@
-Microsoft Developer Studio Workspace File, Format Version 6.00
-# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
-
-###############################################################################
-
-Project: "GZip"=.\GZip.dsp - Package Owner=<4>
-
-Package=<5>
-{{{
-}}}
-
-Package=<4>
-{{{
-}}}
-
-###############################################################################
-
-Global:
-
-Package=<5>
-{{{
-}}}
-
-Package=<3>
-{{{
-}}}
-
-###############################################################################
-
--- a/CPP/7zip/Archive/GZip/GZipHandler.cpp
+++ b/CPP/7zip/Archive/GZip/GZipHandler.cpp
@@ -5,7 +5,6 @@
 #include "GZipHandler.h"

 #include "Common/Defs.h"
-#include "Common/CRC.h"
 #include "Common/StringConvert.h"
 #include "Common/ComTry.h"
 #include "Windows/PropVariant.h"
@@ -13,23 +12,16 @@

 #include "../../ICoder.h"
 #include "../../Common/ProgressUtils.h"
+#include "../../Common/CreateCoder.h"
 #include "../Common/OutStreamWithCRC.h"

-#ifdef COMPRESS_DEFLATE
-#include "../../Compress/Deflate/DeflateDecoder.h"
-#else
-// {23170F69-40C1-278B-0401-080000000000}
-DEFINE_GUID(CLSID_CCompressDeflateDecoder, 
-0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00);
-#include "../Common/CoderLoader.h"
-extern CSysString GetDeflateCodecPath();
-#endif
-
 using namespace NWindows;

 namespace NArchive {
 namespace NGZip {

+static const CMethodId kMethodId_Deflate = 0x040108;
+
 const wchar_t *kHostOS[] = 
 {
  L"FAT",
@@ -269,9 +261,6 @@ STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
      new CLocalCompressProgressInfo;
  CMyComPtr<ICompressProgressInfo> compressProgress = localCompressProgressSpec;

-  #ifndef COMPRESS_DEFLATE
-  CCoderLibrary lib;
-  #endif
  CMyComPtr<ICompressCoder> deflateDecoder;
  bool firstItem = true;
  RINOK(m_Stream->Seek(m_StreamStartPosition, STREAM_SEEK_SET, NULL));
@@ -305,12 +294,15 @@ STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
      {
        if(!deflateDecoder)
        {
-          #ifdef COMPRESS_DEFLATE
-          deflateDecoder = new NCompress::NDeflate::NDecoder::CCOMCoder;
-          #else
-          RINOK(lib.LoadAndCreateCoder(GetDeflateCodecPath(), 
-              CLSID_CCompressDeflateDecoder, &deflateDecoder));
-          #endif
+          RINOK(CreateCoder(
+              EXTERNAL_CODECS_VARS
+              kMethodId_Deflate, deflateDecoder, false));
+          if (!deflateDecoder)
+          {
+            outStream.Release();
+            RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kUnSupportedMethod));
+            return S_OK;
+          }
        }
        try
        {
@@ -358,4 +350,6 @@ STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
  return S_OK;
 }

+IMPL_ISetCompressCodecsInfo
+
 }}
--- a/CPP/7zip/Archive/GZip/GZipHandler.h
+++ b/CPP/7zip/Archive/GZip/GZipHandler.h
@@ -7,6 +7,8 @@

 #include "../IArchive.h"

+#include "../../Common/CreateCoder.h"
+
 #include "GZipIn.h"
 #include "GZipUpdate.h"

@@ -17,13 +19,17 @@ class CHandler:
  public IInArchive,
  public IOutArchive,
  public ISetProperties,
+  PUBLIC_ISetCompressCodecsInfo
  public CMyUnknownImp
 {
 public:
-  MY_UNKNOWN_IMP3(
-      IInArchive,
-      IOutArchive,
-      ISetProperties)
+  MY_QUERYINTERFACE_BEGIN
+  MY_QUERYINTERFACE_ENTRY(IInArchive)
+  MY_QUERYINTERFACE_ENTRY(IOutArchive)
+  MY_QUERYINTERFACE_ENTRY(ISetProperties)
+  QUERY_ENTRY_ISetCompressCodecsInfo
+  MY_QUERYINTERFACE_END
+  MY_ADDREF_RELEASE

  STDMETHOD(Open)(IInStream *inStream, 
      const UInt64 *maxCheckStartPosition,
@@ -55,7 +61,8 @@ public:
  // ISetProperties
  STDMETHOD(SetProperties)(const wchar_t **names, const PROPVARIANT *values, Int32 numProperties);

-public:
+  DECL_ISetCompressCodecsInfo
+
  CHandler() { InitMethodProperties(); }

 private:
@@ -67,6 +74,8 @@ private:
  CCompressionMethodMode m_Method;
  UInt32 m_Level;

+  DECL_EXTERNAL_CODECS_VARS
+
  void InitMethodProperties()
  {
    m_Method.NumMatchFinderCyclesDefined = false;
--- a/CPP/7zip/Archive/GZip/GZipHandlerOut.cpp
+++ b/CPP/7zip/Archive/GZip/GZipHandlerOut.cpp
@@ -138,7 +138,9 @@ STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numIt
                              (level >= 7 ? kNumFastBytesX7 : 
                                            kNumFastBytesX1));

-    return UpdateArchive(m_Stream, size, outStream, newItem, m_Method, itemIndex, updateCallback);
+    return UpdateArchive(
+        EXTERNAL_CODECS_VARS
+        m_Stream, size, outStream, newItem, m_Method, itemIndex, updateCallback);
  }
    
  if (indexInArchive != 0)
--- a/CPP/7zip/Archive/GZip/GZipIn.cpp
+++ b/CPP/7zip/Archive/GZip/GZipIn.cpp
@@ -10,6 +10,11 @@

 #include "../../Common/StreamUtils.h"

+extern "C" 
+{ 
+  #include "../../../../C/7zCrc.h" 
+}
+
 namespace NArchive {
 namespace NGZip {
 
@@ -23,43 +28,44 @@ HRESULT CInArchive::ReadBytes(ISequentialInStream *inStream, void *data, UInt32
  return S_OK;
 }

-HRESULT CInArchive::ReadByte(ISequentialInStream *inStream, Byte &value)
+HRESULT CInArchive::ReadByte(ISequentialInStream *inStream, Byte &value, UInt32 &crc)
 {
-  return ReadBytes(inStream, &value, 1);
+  HRESULT res = ReadBytes(inStream, &value, 1);
+  crc = CRC_UPDATE_BYTE(crc, value);
+  return res;
 }

-HRESULT CInArchive::ReadUInt16(ISequentialInStream *inStream, UInt16 &value)
+HRESULT CInArchive::ReadUInt16(ISequentialInStream *inStream, UInt16 &value, UInt32 &crc)
 {
  value = 0;
  for (int i = 0; i < 2; i++)
  {
    Byte b;
-    RINOK(ReadByte(inStream, b));
+    RINOK(ReadByte(inStream, b, crc));
    value |= (UInt16(b) << (8 * i));
  }
  return S_OK;
 }

-HRESULT CInArchive::ReadUInt32(ISequentialInStream *inStream, UInt32 &value)
+HRESULT CInArchive::ReadUInt32(ISequentialInStream *inStream, UInt32 &value, UInt32 &crc)
 {
  value = 0;
  for (int i = 0; i < 4; i++)
  {
    Byte b;
-    RINOK(ReadByte(inStream, b));
+    RINOK(ReadByte(inStream, b, crc));
    value |= (UInt32(b) << (8 * i));
  }
  return S_OK;
 }

-HRESULT CInArchive::ReadZeroTerminatedString(ISequentialInStream *inStream, AString &resString, CCRC &crc)
+HRESULT CInArchive::ReadZeroTerminatedString(ISequentialInStream *inStream, AString &resString, UInt32 &crc)
 {
  resString.Empty();
  for (;;)
  {
    Byte c;
-    RINOK(ReadByte(inStream, c));
-    crc.UpdateByte(c);
+    RINOK(ReadByte(inStream, c, crc));
    if (c == 0)
      return S_OK;
    resString += char(c);
@@ -72,31 +78,24 @@ HRESULT CInArchive::ReadHeader(ISequentialInStream *inStream, CItem &item)
  m_Position = 0;

  UInt16 signature;
-  RINOK(ReadUInt16(inStream, signature));
+  UInt32 crc = CRC_INIT_VAL;;
+  RINOK(ReadUInt16(inStream, signature, crc));
  if (signature != kSignature)
    return S_FALSE;
-  RINOK(ReadByte(inStream, item.CompressionMethod));
-  RINOK(ReadByte(inStream, item.Flags));
-  RINOK(ReadUInt32(inStream, item.Time));
-  RINOK(ReadByte(inStream, item.ExtraFlags));
-  RINOK(ReadByte(inStream, item.HostOS));
  
-  CCRC crc;
-  crc.Update(&signature, 2);
-  crc.UpdateByte(item.CompressionMethod);
-  crc.UpdateByte(item.Flags);
-  crc.UpdateUInt32(item.Time);
-  crc.UpdateByte(item.ExtraFlags);
-  crc.UpdateByte(item.HostOS);
-
+  RINOK(ReadByte(inStream, item.CompressionMethod, crc));
+  RINOK(ReadByte(inStream, item.Flags, crc));
+  RINOK(ReadUInt32(inStream, item.Time, crc));
+  RINOK(ReadByte(inStream, item.ExtraFlags, crc));
+  RINOK(ReadByte(inStream, item.HostOS, crc));
+  
  if (item.ExtraFieldIsPresent())
  {
    UInt16 extraSize;
-    RINOK(ReadUInt16(inStream, extraSize));
-    crc.UpdateUInt16(extraSize);
+    RINOK(ReadUInt16(inStream, extraSize, crc));
    item.Extra.SetCapacity(extraSize);
    RINOK(ReadBytes(inStream, item.Extra, extraSize));
-    crc.Update(item.Extra, extraSize);
+    crc = CrcUpdate(crc, item.Extra, extraSize);
  }
  if (item.NameIsPresent())
    RINOK(ReadZeroTerminatedString(inStream, item.Name, crc));
@@ -105,8 +104,9 @@ HRESULT CInArchive::ReadHeader(ISequentialInStream *inStream, CItem &item)
  if (item.HeaderCRCIsPresent())
  {
    UInt16 headerCRC;
-    RINOK(ReadUInt16(inStream, headerCRC));
-    if ((UInt16)crc.GetDigest() != headerCRC)
+    UInt32 dummy = 0;
+    RINOK(ReadUInt16(inStream, headerCRC, dummy));
+    if ((UInt16)CRC_GET_DIGEST(crc) != headerCRC)
      return S_FALSE;
  }
  return S_OK;
@@ -114,8 +114,9 @@ HRESULT CInArchive::ReadHeader(ISequentialInStream *inStream, CItem &item)

 HRESULT CInArchive::ReadPostHeader(ISequentialInStream *inStream, CItem &item)
 {
-  RINOK(ReadUInt32(inStream, item.FileCRC));
-  return ReadUInt32(inStream, item.UnPackSize32);
+  UInt32 dummy = 0;
+  RINOK(ReadUInt32(inStream, item.FileCRC, dummy));
+  return ReadUInt32(inStream, item.UnPackSize32, dummy);
 }

 }}
--- a/CPP/7zip/Archive/GZip/GZipIn.h
+++ b/CPP/7zip/Archive/GZip/GZipIn.h
@@ -5,7 +5,6 @@

 #include "GZipHeader.h"
 #include "GZipItem.h"
-#include "Common/CRC.h"
 #include "../../IStream.h"

 namespace NArchive {
@@ -16,10 +15,10 @@ class CInArchive
  UInt64 m_Position;
  
  HRESULT ReadBytes(ISequentialInStream *inStream, void *data, UInt32 size);
-  HRESULT ReadZeroTerminatedString(ISequentialInStream *inStream, AString &resString, CCRC &crc);
-  HRESULT ReadByte(ISequentialInStream *inStream, Byte &value);
-  HRESULT ReadUInt16(ISequentialInStream *inStream, UInt16 &value);
-  HRESULT ReadUInt32(ISequentialInStream *inStream, UInt32 &value);
+  HRESULT ReadZeroTerminatedString(ISequentialInStream *inStream, AString &resString, UInt32 &crc);
+  HRESULT ReadByte(ISequentialInStream *inStream, Byte &value, UInt32 &crc);
+  HRESULT ReadUInt16(ISequentialInStream *inStream, UInt16 &value, UInt32 &crc);
+  HRESULT ReadUInt32(ISequentialInStream *inStream, UInt32 &value, UInt32 &crc);
 public:
  HRESULT ReadHeader(ISequentialInStream *inStream, CItem &item);
  HRESULT ReadPostHeader(ISequentialInStream *inStream, CItem &item);
--- a/CPP/7zip/Archive/GZip/GZipOut.cpp
+++ b/CPP/7zip/Archive/GZip/GZipOut.cpp
@@ -3,7 +3,7 @@
 #include "StdAfx.h"

 #include "GZipOut.h"
-#include "Common/CRC.h"
+
 #include "Windows/Defs.h"
 #include "../../Common/StreamUtils.h"

--- a/CPP/7zip/Archive/GZip/GZipRegister.cpp
+++ b/CPP/7zip/Archive/GZip/GZipRegister.cpp
@@ -0,0 +1,18 @@
+// GZipRegister.cpp
+
+#include "StdAfx.h"
+
+#include "../../Common/RegisterArc.h"
+
+#include "GZipHandler.h"
+static IInArchive *CreateArc() { return new NArchive::NGZip::CHandler;  }
+#ifndef EXTRACT_ONLY
+static IOutArchive *CreateArcOut() { return new NArchive::NGZip::CHandler;  }
+#else
+#define CreateArcOut 0
+#endif
+
+static CArcInfo g_ArcInfo =
+  { L"GZip", L"gz gzip tgz tpz", L"* * .tar .tar", 0xEF, { 0x1F, 0x8B }, 2, true, CreateArc, CreateArcOut };
+
+REGISTER_ARC(GZip)
--- a/CPP/7zip/Archive/GZip/GZipUpdate.cpp
+++ b/CPP/7zip/Archive/GZip/GZipUpdate.cpp
@@ -12,26 +12,21 @@

 #include "../../ICoder.h"
 #include "../../Common/ProgressUtils.h"
+#include "../../Common/CreateCoder.h"
 #include "../../Compress/Copy/CopyCoder.h"

 #include "../Common/InStreamWithCRC.h"

-#ifdef COMPRESS_DEFLATE
-#include "../../Compress/Deflate/DeflateEncoder.h"
-#else
-// {23170F69-40C1-278B-0401-080000000100}
-DEFINE_GUID(CLSID_CCompressDeflateEncoder, 
-0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00);
-#include "../Common/CoderLoader.h"
-extern CSysString GetDeflateCodecPath();
-#endif
-
 namespace NArchive {
 namespace NGZip {

+static const CMethodId kMethodId_Deflate = 0x040108;
+
 static const Byte kHostOS = NFileHeader::NHostOS::kFAT;

-HRESULT UpdateArchive(IInStream * /* inStream */, 
+HRESULT UpdateArchive(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    IInStream * /* inStream */, 
    UInt64 unpackSize,
    ISequentialOutStream *outStream,
    const CItem &newItem,
@@ -45,9 +40,6 @@ HRESULT UpdateArchive(IInStream * /* inStream */,

  RINOK(updateCallback->SetTotal(complexity));

-  #ifndef COMPRESS_DEFLATE
-  CCoderLibrary lib;
-  #endif
  CMyComPtr<ICompressCoder> deflateEncoder;
  
  complexity = 0;
@@ -83,12 +75,11 @@ HRESULT UpdateArchive(IInStream * /* inStream */,
  localCompressProgressSpec->Init(localProgress, &complexity, NULL);

  {
-    #ifdef COMPRESS_DEFLATE
-    deflateEncoder = new NCompress::NDeflate::NEncoder::CCOMCoder;
-    #else
-    RINOK(lib.LoadAndCreateCoder(GetDeflateCodecPath(),
-        CLSID_CCompressDeflateEncoder, &deflateEncoder));
-    #endif
+    RINOK(CreateCoder(
+        EXTERNAL_CODECS_LOC_VARS
+        kMethodId_Deflate, deflateEncoder, true));
+    if (!deflateEncoder)
+      return E_NOTIMPL;

    NWindows::NCOM::CPropVariant properties[] = 
    { 
--- a/CPP/7zip/Archive/GZip/GZipUpdate.h
+++ b/CPP/7zip/Archive/GZip/GZipUpdate.h
@@ -5,6 +5,8 @@

 #include "../IArchive.h"

+#include "../../Common/CreateCoder.h"
+
 #include "GZipOut.h"
 #include "GZipItem.h"

@@ -19,7 +21,9 @@ struct CCompressionMethodMode
  UInt32 NumMatchFinderCycles;
 };

-HRESULT UpdateArchive(IInStream *inStream, 
+HRESULT UpdateArchive(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    IInStream *inStream, 
    UInt64 unpackSize,
    ISequentialOutStream *outStream,
    const CItem &newItem,
--- a/CPP/7zip/Archive/GZip/makefile
+++ b/CPP/7zip/Archive/GZip/makefile
@@ -1,60 +0,0 @@
-PROG = gz.dll
-DEF_FILE = ../Archive.def
-CFLAGS = $(CFLAGS) -I ../../../
-LIBS = $(LIBS) oleaut32.lib user32.lib
-
-GZ_OBJS = \
-  $O\GZipHandler.obj \
-  $O\GZipHandlerOut.obj \
-  $O\GZipHeader.obj \
-  $O\GZipIn.obj \
-  $O\GZipOut.obj \
-  $O\GZipUpdate.obj \
-  $O\DllExports.obj \
-
-COMMON_OBJS = \
-  $O\Alloc.obj \
-  $O\CRC.obj \
-  $O\NewHandler.obj \
-  $O\String.obj \
-  $O\StringConvert.obj \
-  $O\StringToInt.obj \
-
-WIN_OBJS = \
-  $O\DLL.obj \
-  $O\PropVariant.obj \
-
-7ZIP_COMMON_OBJS = \
-  $O\ProgressUtils.obj \
-  $O\StreamUtils.obj \
-
-AR_COMMON_OBJS = \
-  $O\CodecsPath.obj \
-  $O\InStreamWithCRC.obj \
-  $O\OutStreamWithCRC.obj \
-  $O\ParseProperties.obj \
-
-OBJS = \
-  $O\StdAfx.obj \
-  $(GZ_OBJS) \
-  $(COMMON_OBJS) \
-  $(WIN_OBJS) \
-  $(7ZIP_COMMON_OBJS) \
-  $(AR_COMMON_OBJS) \
-  $O\CopyCoder.obj \
-  $O\resource.res
-
-!include "../../../Build.mak"
-
-$(GZ_OBJS): $(*B).cpp
-	$(COMPL)
-$(COMMON_OBJS): ../../../Common/$(*B).cpp
-	$(COMPL)
-$(WIN_OBJS): ../../../Windows/$(*B).cpp
-	$(COMPL)
-$(7ZIP_COMMON_OBJS): ../../Common/$(*B).cpp
-	$(COMPL)
-$(AR_COMMON_OBJS): ../Common/$(*B).cpp
-	$(COMPL)
-$O\CopyCoder.obj: ../../Compress/Copy/$(*B).cpp
-	$(COMPL)
--- a/CPP/7zip/Archive/GZip/resource.rc
+++ b/CPP/7zip/Archive/GZip/resource.rc
@@ -1,5 +0,0 @@
-#include "../../MyVersionInfo.rc"
-
-MY_VERSION_INFO_DLL("GZip Plugin", "gz")
-
-101  ICON  "gz.ico"