From 42dcdc51cd19ff00e3c1f5a51b331a10c01735ba Mon Sep 17 00:00:00 2001
From: dockes <none@none>
Date: Tue, 5 Dec 2006 15:16:53 +0000
Subject: [PATCH] fix pbs with empty object

---
 src/utils/refcntr.h | 59 +++++++++++++++++++++++++++++----------------
 1 file changed, 38 insertions(+), 21 deletions(-)

diff --git a/src/utils/refcntr.h b/src/utils/refcntr.h
index 8aba72ed..abe10174 100644
--- a/src/utils/refcntr.h
+++ b/src/utils/refcntr.h
@@ -3,28 +3,45 @@
 
 // See Stroustrup C++ 3rd ed, p. 783
 template <class X> class RefCntr {
-  X   *rep;
-  int *pcount;
- public:
-  X * operator->() {return rep;}
-  RefCntr() : rep(0), pcount(new int(1)) {}
-  RefCntr(X *pp) : rep(pp), pcount(new int(1)) {}
-  RefCntr(const RefCntr &r) :rep(r.rep), pcount(r.pcount) { (*pcount)++;}
-  RefCntr& operator=(const RefCntr& r) {
-    if (rep == r.rep) return *this;
-    if (pcount && --(*pcount) == 0) {
-      delete rep;
-      delete pcount;
+    X   *rep;
+    int *pcount;
+public:
+    RefCntr() 
+	: rep(0), pcount(0) 
+    {}
+    RefCntr(X *pp) 
+	: rep(pp), pcount(new int(1)) 
+    {}
+    RefCntr(const RefCntr &r) 
+	: rep(r.rep), pcount(r.pcount) 
+    { 
+	if (pcount)
+	    (*pcount)++;
     }
-    rep = r.rep;
-    pcount = r.pcount;
-    if (pcount)
-	(*pcount)++;
-    return  *this;
-  }
-  ~RefCntr() {if (--(*pcount) == 0) {delete rep;delete pcount;}}
-  int getcnt() const {return *pcount;}
-  const X * getptr() const {return rep;}
+    RefCntr& operator=(const RefCntr& r) 
+    {
+	if (rep == r.rep) 
+	    return *this;
+	if (pcount && --(*pcount) == 0) {
+	    delete rep;
+	    delete pcount;
+	}
+	rep = r.rep;
+	pcount = r.pcount;
+	if (pcount)
+	    (*pcount)++;
+	return  *this;
+    }
+    ~RefCntr() 
+    {
+	if (pcount && --(*pcount) == 0) {
+	    delete rep; 
+	    delete pcount; 
+	}
+    }
+    X *operator->() {return rep;}
+    int getcnt() const {return pcount ? *pcount : 0;}
+    const X *getptr() const {return rep;}
 };