-            wxStrcpy(wxBuffer, zHome);
-            wxUnix2DosFilename(wxBuffer);
-#if wxUSE_UNICODE
-            wxWCharBuffer retBuffer (wxBuffer);
-            delete[] wxBuffer;
-            return retBuffer;
-#else
-            wxStrcpy(zHome, wxBuffer);
-            delete[] wxBuffer;
-            return zHome;
-#endif
+            home = zHome;
+            home.Replace("/", "\\");
+        }
+    }
+
+    return home;
+}
+
+bool wxGetDiskSpace(const wxString& path,
+                    wxDiskspaceSize_t *pTotal,
+                    wxDiskspaceSize_t *pFree)
+{
+    if (path.empty())
+        return false;
+
+    wxFileName fn(path);
+    FSALLOCATE fsaBuf = {0};
+    APIRET rc = NO_ERROR;
+    ULONG disknum = 0;
+
+    fn.MakeAbsolute();
+
+    if (wxDirExists(fn.GetFullPath()) == false)
+        return false;
+
+    disknum = wxToupper(fn.GetVolume().GetChar(0)) - wxT('A') + 1;
+
+    rc = ::DosQueryFSInfo(disknum,             // 1 = A, 2 = B, 3 = C, ...
+                          FSIL_ALLOC,          // allocation info
+                          (PVOID)&fsaBuf,
+                          sizeof(FSALLOCATE));
+
+    if (rc != NO_ERROR)
+        return false;
+    else
+    {
+        if(pTotal)
+        {
+           // to try to avoid 32-bit overflow, let's not multiply right away
+            // (num of alloc units)
+            *pTotal = fsaBuf.cUnit;
+            // * (num of sectors per alloc unit) * (num of bytes per sector)
+            (*pTotal) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;
+        }
+        if(pFree)
+        {
+            *pFree = fsaBuf.cUnitAvail;
+            (*pFree) *= fsaBuf.cSectorUnit * fsaBuf.cbSector;