Guarded g_object_ref/unref to avoid warning messages when the pointer is NULL.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

CMakeLists.txt

@@ -26,8 +26,6 @@ cmake_minimum_required( VERSION 2.8.12 )
 include( FindPkgConfig )
 include( CheckCXXSourceCompiles )
 include( CheckSymbolExists )
-
-set( CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules" )
 include( TDEMacros )
 
 

agent/polkit-tqt-agent-session.cpp

@@ -62,7 +62,10 @@ void Session::Private::completed(PolkitAgentSession *s, gboolean gained_authoriz
   emit(session)->completed(gained_authorization);
 
   //free session here as polkit documentation asks
+  if (session->d->polkitAgentSession)
+  {
     g_object_unref(session->d->polkitAgentSession);
+  }
   session->d->polkitAgentSession = 0;
 }
 
@@ -171,7 +174,10 @@ void AsyncResult::setCompleted()
   }
   g_simple_async_result_complete(d->result);
   // Assure that completed won't be called twice
+  if (d->result)
+  {
     g_object_unref(d->result);
+  }
   d->result = NULL;
 }
 

core/polkit-tqt-authority.cpp

@@ -67,8 +67,11 @@ ActionDescription::List actionsToListAndFree(GList *glist)
   {
     gpointer i = glist2->data;
     result.append(ActionDescription(static_cast<PolkitActionDescription*>(i)));
+    if (i)
+    {
       g_object_unref(i);
     }
+  }
   g_list_free(glist);
   return result;
 }
@@ -121,14 +124,38 @@ class Authority::Private
 
 Authority::Private::~Private()
 {
+  if (m_checkAuthorizationCancellable)
+  {
     g_object_unref(m_checkAuthorizationCancellable);
+  }
+  if (m_enumerateActionsCancellable)
+  {
     g_object_unref(m_enumerateActionsCancellable);
+  }
+  if (m_registerAuthenticationAgentCancellable)
+  {
     g_object_unref(m_registerAuthenticationAgentCancellable);
+  }
+  if (m_unregisterAuthenticationAgentCancellable)
+  {
     g_object_unref(m_unregisterAuthenticationAgentCancellable);
+  }
+  if (m_authenticationAgentResponseCancellable)
+  {
     g_object_unref(m_authenticationAgentResponseCancellable);
+  }
+  if (m_enumerateTemporaryAuthorizationsCancellable)
+  {
     g_object_unref(m_enumerateTemporaryAuthorizationsCancellable);
+  }
+  if (m_revokeTemporaryAuthorizationsCancellable)
+  {
     g_object_unref(m_revokeTemporaryAuthorizationsCancellable);
+  }
+  if (m_revokeTemporaryAuthorizationCancellable)
+  {
     g_object_unref(m_revokeTemporaryAuthorizationCancellable);
+  }
 }
 
 void Authority::Private::init()
@@ -185,7 +212,10 @@ Authority::Authority(TQObject *parent) : TQObject(parent), d(new Private(this))
 
 Authority::~Authority()
 {
+  if (d->pkAuthority)
+  {
     g_object_unref(d->pkAuthority);
+  }
   delete d;
 }
 
@@ -634,8 +664,11 @@ TemporaryAuthorization::List Authority::enumerateTemporaryAuthorizationsSync(con
   for (glist2 = glist; glist2 != NULL; glist2 = g_list_next(glist2))
   {
     result.append(TemporaryAuthorization((PolkitTemporaryAuthorization*)glist2->data));
+    if (glist2->data)
+    {
       g_object_unref(glist2->data);
     }
+  }
   g_list_free(glist);
   return result;
 }
@@ -667,8 +700,11 @@ void Authority::Private::enumerateTemporaryAuthorizationsCallback(GObject *objec
   for (glist2 = glist; glist2 != NULL; glist2 = g_list_next(glist2))
   {
     res.append(TemporaryAuthorization((PolkitTemporaryAuthorization*)glist2->data));
+    if (glist2->data)
+    {
       g_object_unref(glist2->data);
     }
+  }
   g_list_free(glist);
   emit authority->enumerateTemporaryAuthorizationsFinished(res);
 }

core/polkit-tqt-details.cpp

@@ -42,19 +42,28 @@ class Details::Data : public TQShared
     }
 
     Data(const Data &other) : details(other.details)
+    {
+      if (details)
       {
         g_object_ref(details);
       }
+    }
 
     Data(PolkitDetails *_details) : details(_details)
+    {
+      if (details)
       {
         g_object_ref(details);
       }
+    }
 
     ~Data()
+    {
+      if (details)
       {
         g_object_unref(details);
       }
+    }
 
     PolkitDetails *details;
 };

core/polkit-tqt-identity.cpp

@@ -41,19 +41,28 @@ class Identity::Data : public TQShared
     }
 
     Data(const Data &other) : identity(other.identity)
+    {
+      if (identity)
       {
         g_object_ref(identity);
       }
+    }
 
     Data(PolkitIdentity *_identity) : identity(_identity)
+    {
+      if (identity)
       {
         g_object_ref(identity);
       }
+    }
 
     ~Data()
+    {
+      if (identity)
       {
         g_object_unref(identity);
       }
+    }
 
     PolkitIdentity *identity;
 };
@@ -110,10 +119,16 @@ PolkitIdentity* Identity::identity() const
 void Identity::setIdentity(PolkitIdentity *identity)
 {
   if (d->identity != identity)
+  {
+    if (d->identity)
     {
       g_object_unref(d->identity);
+    }
     d->identity = identity;
-    g_object_ref(identity);
+    if (d->identity)
+    {
+      g_object_ref(d->identity);
+    }
   }
 }
 

core/polkit-tqt-subject.cpp

@@ -41,19 +41,28 @@ class Subject::Data : public TQShared
     }
 
     Data(const Data &other) : subject(other.subject)
+    {
+      if (subject)
       {
         g_object_ref(subject);
       }
+    }
 
     Data(PolkitSubject *_subject) : subject(_subject)
+    {
+      if (subject)
       {
         g_object_ref(subject);
       }
+    }
 
     ~Data()
+    {
+      if (subject)
       {
         g_object_unref(subject);
       }
+    }
 
     PolkitSubject *subject;
 };
@@ -110,10 +119,16 @@ PolkitSubject* Subject::subject() const
 void Subject::setSubject(PolkitSubject *subject)
 {
   if (d->subject != subject)
+  {
+    if (d->subject)
     {
       g_object_unref(d->subject);
+    }
     d->subject = subject;
-    g_object_ref(subject);
+    if (d->subject)
+    {
+      g_object_ref(d->subject);
+    }
   }
 }