misc/libphysfs/lzma/CPP/7zip/Archive/DllExports2.cpp
author nemo
Mon, 10 Apr 2017 12:06:43 -0400
changeset 12218 bb5522e88ab2
permissions -rw-r--r--
bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash

// DLLExports.cpp

#include "StdAfx.h"

#include "../../Common/MyInitGuid.h"
#include "../../Common/ComTry.h"
#include "../../Common/Types.h"
#include "../../Windows/PropVariant.h"
#if defined(_WIN32) && defined(_7ZIP_LARGE_PAGES)
extern "C" 
{ 
#include "../../../C/Alloc.h"
}
#endif

#include "IArchive.h"
#include "../ICoder.h"
#include "../IPassword.h"

HINSTANCE g_hInstance;
#ifndef _UNICODE
#ifdef _WIN32
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
#endif

extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
  if (dwReason == DLL_PROCESS_ATTACH)
  {
    g_hInstance = hInstance;
    #ifndef _UNICODE
    #ifdef _WIN32
    g_IsNT = IsItWindowsNT();
    #endif
    #endif
  }
  return TRUE;
}

DEFINE_GUID(CLSID_CArchiveHandler, 
0x23170F69, 0x40C1, 0x278A, 0x10, 0x00, 0x00, 0x01, 0x10, 0x00, 0x00, 0x00);

static const UInt16 kDecodeId = 0x2790;

DEFINE_GUID(CLSID_CCodec, 
0x23170F69, 0x40C1, kDecodeId, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);

STDAPI CreateCoder(const GUID *clsid, const GUID *iid, void **outObject);
STDAPI CreateArchiver(const GUID *classID, const GUID *iid, void **outObject);

STDAPI CreateObject(const GUID *clsid, const GUID *iid, void **outObject)
{
  // COM_TRY_BEGIN
  *outObject = 0;
  if (*iid == IID_ICompressCoder || *iid == IID_ICompressCoder2 || *iid == IID_ICompressFilter)
  {
    return CreateCoder(clsid, iid, outObject);
  }
  else
  {
    return CreateArchiver(clsid, iid, outObject);
  }
  // COM_TRY_END
}

STDAPI SetLargePageMode()
{
  #if defined(_WIN32) && defined(_7ZIP_LARGE_PAGES)
  SetLargePageSize();
  #endif
  return S_OK;
}