X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fstructure%2FSGReferenced.hxx;h=67e4fb1ed18ba36b7d42d206dfd9155047d0a0ee;hb=b2c3a90adfb6c0285d02355fd8ab061b7f2f1e6c;hp=6a3038f3576494619e6590144ce3d638d547be31;hpb=0f7b65a9216458b290113bae0ff75bd3ec4dce36;p=simgear.git

diff --git a/simgear/structure/SGReferenced.hxx b/simgear/structure/SGReferenced.hxx
index 6a3038f3..67e4fb1e 100644
--- a/simgear/structure/SGReferenced.hxx
+++ b/simgear/structure/SGReferenced.hxx
@@ -26,7 +26,9 @@
 /// Base class for all reference counted SimGear objects
 /// Classes derived from this one are meant to be managed with
 /// the SGSharedPtr class.
-/// For more info see @SGSharedPtr.
+///
+/// For more info see SGSharedPtr. For using weak references see
+/// SGWeakReferenced.
 
 class SGReferenced {
 public:
@@ -40,11 +42,11 @@ public:
   { return *this; }
 
   static unsigned get(const SGReferenced* ref)
-  { if (ref) return ++(ref->_refcount); else return ~0u; }
+  { if (ref) return ++(ref->_refcount); else return 0; }
   static unsigned put(const SGReferenced* ref)
-  { if (ref) return --(ref->_refcount); else return ~0u; }
+  { if (ref) return --(ref->_refcount); else return 0; }
   static unsigned count(const SGReferenced* ref)
-  { if (ref) return ref->_refcount; else return ~0u; }
+  { if (ref) return ref->_refcount; else return 0; }
   static bool shared(const SGReferenced* ref)
   { if (ref) return 1u < ref->_refcount; else return false; }