diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/UI/Common/ArchiveOpenCallback.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/UI/Common/ArchiveOpenCallback.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,93 @@
+// ArchiveOpenCallback.h
+
+#ifndef __ARCHIVE_OPEN_CALLBACK_H
+#define __ARCHIVE_OPEN_CALLBACK_H
+
+#include "Common/MyString.h"
+#include "Common/MyCom.h"
+#include "Windows/FileFind.h"
+
+#ifndef _NO_CRYPTO
+#include "../../IPassword.h"
+#endif  
+#include "../../Archive/IArchive.h"
+
+struct IOpenCallbackUI
+{
+  virtual HRESULT CheckBreak() = 0;
+  virtual HRESULT SetTotal(const UInt64 *files, const UInt64 *bytes) = 0;
+  virtual HRESULT SetCompleted(const UInt64 *files, const UInt64 *bytes) = 0;
+  #ifndef _NO_CRYPTO
+  virtual HRESULT CryptoGetTextPassword(BSTR *password) = 0;
+  virtual HRESULT GetPasswordIfAny(UString &password) = 0;
+  virtual bool WasPasswordAsked() = 0;
+  virtual void ClearPasswordWasAskedFlag() = 0;
+  #endif  
+};
+
+class COpenCallbackImp: 
+  public IArchiveOpenCallback,
+  public IArchiveOpenVolumeCallback,
+  public IArchiveOpenSetSubArchiveName,
+  #ifndef _NO_CRYPTO
+  public ICryptoGetTextPassword,
+  #endif  
+  public CMyUnknownImp
+{
+public:
+  #ifndef _NO_CRYPTO
+  MY_UNKNOWN_IMP3(
+      IArchiveOpenVolumeCallback, 
+      ICryptoGetTextPassword,
+      IArchiveOpenSetSubArchiveName
+      )
+  #else
+  MY_UNKNOWN_IMP2(
+      IArchiveOpenVolumeCallback, 
+      IArchiveOpenSetSubArchiveName
+      )
+  #endif
+
+  STDMETHOD(SetTotal)(const UInt64 *files, const UInt64 *bytes);
+  STDMETHOD(SetCompleted)(const UInt64 *files, const UInt64 *bytes);
+
+  // IArchiveOpenVolumeCallback
+  STDMETHOD(GetProperty)(PROPID propID, PROPVARIANT *value);
+  STDMETHOD(GetStream)(const wchar_t *name, IInStream **inStream);
+
+  #ifndef _NO_CRYPTO
+  // ICryptoGetTextPassword
+  STDMETHOD(CryptoGetTextPassword)(BSTR *password);
+  #endif
+
+  STDMETHOD(SetSubArchiveName(const wchar_t *name))
+  {
+    _subArchiveMode = true;
+    _subArchiveName = name;
+    return  S_OK;
+  }
+
+private:
+  UString _folderPrefix;
+  NWindows::NFile::NFind::CFileInfoW _fileInfo;
+  bool _subArchiveMode;
+  UString _subArchiveName;
+public:
+  UStringVector FileNames;
+  IOpenCallbackUI *Callback;
+  UInt64 TotalSize;
+
+  COpenCallbackImp(): Callback(NULL) {}
+  void Init(const UString &folderPrefix,  const UString &fileName)
+  {
+    _folderPrefix = folderPrefix;
+    if (!NWindows::NFile::NFind::FindFile(_folderPrefix + fileName, _fileInfo))
+      throw 1;
+    FileNames.Clear();
+    _subArchiveMode = false;
+    TotalSize = 0;
+  }
+  int FindName(const UString &name);
+};
+
+#endif