diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/UI/Console/UserInputUtils.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/UI/Console/UserInputUtils.cpp	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,58 @@
+// UserInputUtils.cpp
+
+#include "StdAfx.h"
+
+#include "Common/StdInStream.h"
+#include "Common/StringConvert.h"
+
+#include "UserInputUtils.h"
+
+static const char kYes = 'Y';
+static const char kNo = 'N';
+static const char kYesAll = 'A';
+static const char kNoAll = 'S';
+static const char kAutoRename = 'U';
+static const char kQuit = 'Q';
+
+static const char *kFirstQuestionMessage = "?\n";
+static const char *kHelpQuestionMessage = 
+  "(Y)es / (N)o / (A)lways / (S)kip all / A(u)to rename / (Q)uit? ";
+
+// return true if pressed Quite;
+// in: anAll
+// out: anAll, anYes;
+
+NUserAnswerMode::EEnum ScanUserYesNoAllQuit(CStdOutStream *outStream)
+{
+  (*outStream) << kFirstQuestionMessage;
+  for(;;)
+  {
+    (*outStream) << kHelpQuestionMessage;
+    AString scannedString = g_StdIn.ScanStringUntilNewLine();
+    scannedString.Trim();
+    if(!scannedString.IsEmpty())
+      switch(::MyCharUpper(scannedString[0]))
+      {
+        case kYes:
+          return NUserAnswerMode::kYes;
+        case kNo:
+          return NUserAnswerMode::kNo;
+        case kYesAll:
+          return NUserAnswerMode::kYesAll;
+        case kNoAll:
+          return NUserAnswerMode::kNoAll;
+        case kAutoRename:
+          return NUserAnswerMode::kAutoRename;
+        case kQuit:
+          return NUserAnswerMode::kQuit;
+      }
+  }
+}
+
+UString GetPassword(CStdOutStream *outStream)
+{
+  (*outStream) << "\nEnter password:";
+  outStream->Flush();
+  AString oemPassword = g_StdIn.ScanStringUntilNewLine();
+  return MultiByteToUnicodeString(oemPassword, CP_OEMCP); 
+}