--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/Windows/PropVariantConversions.cpp	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,150 @@
+// PropVariantConversions.cpp
+
+#include "StdAfx.h"
+
+// #include <stdio.h>
+
+#include "PropVariantConversions.h"
+
+#include "Windows/Defs.h"
+
+#include "Common/StringConvert.h"
+#include "Common/IntToString.h"
+
+static UString ConvertUInt64ToString(UInt64 value)
+{
+  wchar_t buffer[32];
+  ConvertUInt64ToString(value, buffer);
+  return buffer;
+}
+
+static UString ConvertInt64ToString(Int64 value)
+{
+  wchar_t buffer[32];
+  ConvertInt64ToString(value, buffer);
+  return buffer;
+}
+
+static char *UIntToStringSpec(UInt32 value, char *s, int numPos)
+{
+  char temp[16];
+  int pos = 0;
+  do 
+  {
+    temp[pos++] = (char)('0' + value % 10);
+    value /= 10;
+  }
+  while (value != 0);
+  int i;
+  for (i = 0; i < numPos - pos; i++)
+    *s++ = '0';
+  do
+    *s++ = temp[--pos];
+  while (pos > 0);
+  *s = '\0';
+  return s;
+}
+
+bool ConvertFileTimeToString(const FILETIME &ft, char *s, bool includeTime, bool includeSeconds)
+{
+  s[0] = '\0';
+  SYSTEMTIME st;
+  if(!BOOLToBool(FileTimeToSystemTime(&ft, &st)))
+    return false;
+  s = UIntToStringSpec(st.wYear, s, 4);
+  *s++ = '-';
+  s = UIntToStringSpec(st.wMonth, s, 2);
+  *s++ = '-';
+  s = UIntToStringSpec(st.wDay, s, 2);
+  if (includeTime)
+  {
+    *s++ = ' ';
+    s = UIntToStringSpec(st.wHour, s, 2);
+    *s++ = ':';
+    s = UIntToStringSpec(st.wMinute, s, 2);
+    if (includeSeconds)
+    {
+      *s++ = ':';
+      UIntToStringSpec(st.wSecond, s, 2);
+    }
+  }
+  /*
+  sprintf(s, "%04d-%02d-%02d", st.wYear, st.wMonth, st.wDay);
+  if (includeTime)
+  {
+    sprintf(s + strlen(s), " %02d:%02d", st.wHour, st.wMinute);
+    if (includeSeconds)
+      sprintf(s + strlen(s), ":%02d", st.wSecond);
+  }
+  */
+  return true;
+}
+
+UString ConvertFileTimeToString(const FILETIME &fileTime, bool includeTime, bool includeSeconds)
+{
+  char s[32];
+  ConvertFileTimeToString(fileTime, s,  includeTime, includeSeconds);
+  return GetUnicodeString(s);
+}
+ 
+
+UString ConvertPropVariantToString(const PROPVARIANT &propVariant)
+{
+  switch (propVariant.vt)
+  {
+    case VT_EMPTY:
+      return UString();
+    case VT_BSTR:
+      return propVariant.bstrVal;
+    case VT_UI1:
+      return ConvertUInt64ToString(propVariant.bVal);
+    case VT_UI2:
+      return ConvertUInt64ToString(propVariant.uiVal);
+    case VT_UI4:
+      return ConvertUInt64ToString(propVariant.ulVal);
+    case VT_UI8:
+      return ConvertUInt64ToString(propVariant.uhVal.QuadPart);
+    case VT_FILETIME:
+      return ConvertFileTimeToString(propVariant.filetime, true, true);
+    /*
+    case VT_I1:
+      return ConvertInt64ToString(propVariant.cVal);
+    */
+    case VT_I2:
+      return ConvertInt64ToString(propVariant.iVal);
+    case VT_I4:
+      return ConvertInt64ToString(propVariant.lVal);
+    case VT_I8:
+      return ConvertInt64ToString(propVariant.hVal.QuadPart);
+
+    case VT_BOOL:
+      return VARIANT_BOOLToBool(propVariant.boolVal) ? L"+" : L"-";
+    default:
+      #ifndef _WIN32_WCE
+      throw 150245;
+      #else
+      return UString();
+      #endif
+  }
+}
+
+UInt64 ConvertPropVariantToUInt64(const PROPVARIANT &propVariant)
+{
+  switch (propVariant.vt)
+  {
+    case VT_UI1:
+      return propVariant.bVal;
+    case VT_UI2:
+      return propVariant.uiVal;
+    case VT_UI4:
+      return propVariant.ulVal;
+    case VT_UI8:
+      return (UInt64)propVariant.uhVal.QuadPart;
+    default:
+      #ifndef _WIN32_WCE
+      throw 151199;
+      #else
+      return 0;
+      #endif
+  }
+}