compilation fix for MSW

[wxWidgets.git] / src / msw / registry.cpp

diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index 9ab127dd6739431553cf0b3040c6e0f87f0c8c8c..5d59c9ee38fae38795c75cd3b38934ae36b8d87d 100644 (file)
--- a/src/msw/registry.cpp
+++ b/src/msw/registry.cpp
@@ -427,6 +427,18 @@ bool wxRegKey::DeleteSelf()
     }
   }
 
+  // prevent a buggy program from erasing one of the root registry keys or an
+  // immediate subkey (i.e. one which doesn't have '\\' inside) of any other
+  // key except HKCR (HKCR has some "deleteable" subkeys)
+  if ( m_strKey.IsEmpty() || (m_hRootKey != HKCR &&
+       m_strKey.Find(REG_SEPARATOR) == wxNOT_FOUND) ) {
+      wxLogError(_("Registry key '%s' is needed for normal system operation,\n"
+                   "deleting it will leave your system in unusable state:\n"
+                   "operation aborted."), GetFullName(this));
+
+      return FALSE;
+  }
+
   // we can't delete keys while enumerating because it confuses GetNextKey, so
   // we first save the key names and then delete them all
   wxArrayString astrSubkeys;