From d8d91998ae4183eda85b94c93c70405490ca9081 Mon Sep 17 00:00:00 2001
From: tweenk <tweenk@users.sourceforge.net>
Date: Wed, 25 Feb 2009 22:52:12 +0000
Subject: [PATCH] Revert commit 20742 that opened a can of worms.

---
 src/util/glib-list-iterators.h | 39 +++++++++++-----------------------
 1 file changed, 12 insertions(+), 27 deletions(-)

diff --git a/src/util/glib-list-iterators.h b/src/util/glib-list-iterators.h
index 3779cad1e..586bc314a 100644
--- a/src/util/glib-list-iterators.h
+++ b/src/util/glib-list-iterators.h
@@ -1,14 +1,11 @@
-/** @file
- * @brief STL iterators for Glib list types
- */
-/* Inkscape::Util::GSListIterator - STL iterator for GSList
+/*
+ * Inkscape::Util::GSListIterator - STL iterator for GSList
  * Inkscape::Util::GSListConstIterator - STL iterator for GSList
  * Inkscape::Util::GListIterator - STL iterator for GList
  * Inkscape::Util::GListConstIterator - STL iterator for GList
  *
  * Authors:
  *   MenTaLguY <mental@rydia.net>
- *   Krzysztof Kosiński <tweenk.pl@gmail.com>
  *
  * Copyright (C) 2005 MenTaLguY
  *
@@ -24,6 +21,7 @@
 #include "glib/glist.h"
 
 namespace Inkscape {
+
 namespace Util {
 
 template <typename T> class GSListConstIterator;
@@ -46,9 +44,7 @@ public:
     GSList const *list() const { return _list; }
     
     reference operator*() const {
-        _ref_union u;
-        u._gp = _list->data;
-        return *u._p;
+        return *reinterpret_cast<pointer>(&_list->data);
     }
 
     bool operator==(GSListConstIterator const &other) {
@@ -69,7 +65,6 @@ public:
     }
 
 private:
-    union _ref_union {gpointer _gp; pointer _p;};
     GSList const *_list;
 };
 
@@ -91,12 +86,10 @@ public:
     GSList *list() { return _list; }
     
     const_reference operator*() const {
-        return const_cast<GSListIterator<T *> *>(this)->operator*();
+        return *reinterpret_cast<pointer>(&_list->data);
     }
     reference operator*() {
-        _ref_union u;
-        u._gp = _list->data;
-        return *u._p;
+        return *reinterpret_cast<pointer>(&_list->data);
     }
 
     bool operator==(GSListIterator const &other) {
@@ -117,7 +110,6 @@ public:
     }
 
 private:
-    union _ref_union {gpointer _gp; pointer _p;};
     GSList *_list;
 };
  
@@ -136,9 +128,7 @@ public:
     GList const *list() const { return _list; }
     
     reference operator*() const {
-        _ref_union u;
-        u._gp = _list->data;
-        return *u._p;
+        return *reinterpret_cast<pointer>(&_list->data);
     }
 
     bool operator==(GListConstIterator const &other) {
@@ -169,7 +159,6 @@ public:
     }
 
 private:
-    union _ref_union {gpointer _gp; pointer _p;};
     GList const *_list;
 };
 
@@ -197,13 +186,9 @@ public:
     GList *list() { return _list; }
     
     const_reference operator*() const {
-        return const_cast<GListIterator<T *> *>(this)->operator*();
-    }
-    reference operator*() {
-        _ref_union u;
-        u._gp = _list->data;
-        return *u._p;
+        return *reinterpret_cast<pointer>(&_list->data);
     }
+    reference operator*() { return *reinterpret_cast<pointer>(&_list->data); }
 
     bool operator==(GListIterator const &other) {
         return other._list == _list;
@@ -233,12 +218,12 @@ public:
     }
 
 private:
-    union _ref_union {gpointer _gp; pointer _p;};
     GList *_list;
 };
  
-} // namespace Util
-} // Namespace Inkscape
+}
+
+}
 
 #endif
 /*
-- 
2.30.2