Applied patch [ 1192917 ] Grids with no row or col headers cause AV under wxGTK

[wxWidgets.git] / src / common / dynload.cpp

diff --git a/src/common/dynload.cpp b/src/common/dynload.cpp
index b38dbf60468b3e52db1da80c43598a8e1c27d5cd..ded5bbd2d636a099a217ed65f7ede05dda94d930 100644 (file)
--- a/src/common/dynload.cpp
+++ b/src/common/dynload.cpp
@@ -10,7 +10,7 @@
 // Licence:      wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:      wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "dynload.h"
 #endif
 
 #pragma implementation "dynload.h"
 #endif
 


@@ -58,9 +58,9 @@ public:
     // TODO: create ms_classes on demand, why always preallocate it?
     virtual bool OnInit()
     {
     // TODO: create ms_classes on demand, why always preallocate it?
     virtual bool OnInit()
     {

-        wxPluginLibrary::ms_classes = new wxDLImports(wxKEY_STRING);
+        wxPluginLibrary::ms_classes = new wxDLImports;

         wxPluginManager::CreateManifest();
         wxPluginManager::CreateManifest();

-        return TRUE;
+        return true;

     }
 
     virtual void OnExit()
     }
 
     virtual void OnExit()


@@ -87,7 +87,7 @@ wxPluginLibrary::wxPluginLibrary(const wxString &libname, int flags)
 
     if( m_handle != 0 )
     {
 
     if( m_handle != 0 )
     {

-        UpdateClassInfo();
+        UpdateClasses();

         RegisterModules();
     }
     else
         RegisterModules();
     }
     else


@@ -102,7 +102,7 @@ wxPluginLibrary::~wxPluginLibrary()
     if( m_handle != 0 )
     {
         UnregisterModules();
     if( m_handle != 0 )
     {
         UnregisterModules();

-        RestoreClassInfo();
+        RestoreClasses();

     }
 }
 
     }
 }
 


@@ -120,78 +120,42 @@ bool wxPluginLibrary::UnrefLib()
     wxASSERT_MSG( m_objcount == 0,
                   _T("Library unloaded before all objects were destroyed") );
 
     wxASSERT_MSG( m_objcount == 0,
                   _T("Library unloaded before all objects were destroyed") );
 

-    if ( --m_linkcount == 0 )
+    if ( m_linkcount == 0 || --m_linkcount == 0 )

     {
         delete this;
     {
         delete this;

-        return TRUE;
+        return true;

     }
 
     }
 

-    return FALSE;
+    return false;

 }
 
 // ------------------------
 // Private methods
 // ------------------------
 
 }
 
 // ------------------------
 // Private methods
 // ------------------------
 

-void wxPluginLibrary::UpdateClassInfo()
+void wxPluginLibrary::UpdateClasses()

 {
 {

-    wxClassInfo     *info;
-    wxHashTable     *t = wxClassInfo::sm_classTable;
-
-        // FIXME: Below is simply a cut and paste specialisation of
-        //        wxClassInfo::InitializeClasses.  Once this stabilises,
-        //        the two should probably be merged.
-        //
-        //        Actually it's becoming questionable whether we should merge
-        //        this info with the main ClassInfo tables since we can nearly
-        //        handle this completely internally now and it does expose
-        //        certain (minimal % user_stupidy) risks.
-
-    for(info = m_after; info != m_before; info = info->m_next)
+    for (wxClassInfo *info = m_after; info != m_before; info = info->m_next)

     {
         if( info->m_className )
         {
     {
         if( info->m_className )
         {

-            if( t->Get(info->m_className) == 0 )
-                t->Put(info->m_className, (wxObject *)info);
-

             // Hash all the class names into a local table too so
             // we can quickly find the entry they correspond to.
             (*ms_classes)[info->m_className] = this;
         }
     }
             // Hash all the class names into a local table too so
             // we can quickly find the entry they correspond to.
             (*ms_classes)[info->m_className] = this;
         }
     }

-
-#if wxUSE_EXTENDED_RTTI == 0
-    for(info = m_after; info != m_before; info = info->m_next)
-    {
-        if( info->m_baseClassName1 )
-            info->m_baseInfo1 = (wxClassInfo *)t->Get(info->m_baseClassName1);
-        if( info->m_baseClassName2 )
-            info->m_baseInfo2 = (wxClassInfo *)t->Get(info->m_baseClassName2);
-    }
-#endif

 }
 
 }
 

-void wxPluginLibrary::RestoreClassInfo()
+void wxPluginLibrary::RestoreClasses()

 {
 {

-    wxClassInfo *info;
+    // Check if there is a need to restore classes.
+    if (!ms_classes)
+        return;

 
 

-    for(info = m_after; info != m_before; info = info->m_next)
+    for(wxClassInfo *info = m_after; info != m_before; info = info->m_next)

     {
     {

-        wxClassInfo::sm_classTable->Delete(info->m_className);

         ms_classes->erase(ms_classes->find(info->m_className));
     }
         ms_classes->erase(ms_classes->find(info->m_className));
     }

-
-    if( wxClassInfo::sm_first == m_after )
-        wxClassInfo::sm_first = m_before;
-    else
-    {
-        info = wxClassInfo::sm_first;
-        while( info->m_next && info->m_next != m_after ) info = info->m_next;
-
-        wxASSERT_MSG( info, _T("ClassInfo from wxPluginLibrary not found on purge"));
-
-        info->m_next = m_before;
-    }

 }
 
 void wxPluginLibrary::RegisterModules()
 }
 
 void wxPluginLibrary::RegisterModules()


@@ -262,7 +226,8 @@ void wxPluginLibrary::UnregisterModules()
     for ( it = m_wxmodules.begin(); it != m_wxmodules.end(); ++it )
         wxModule::UnregisterModule( *it );
 
     for ( it = m_wxmodules.begin(); it != m_wxmodules.end(); ++it )
         wxModule::UnregisterModule( *it );
 

-    WX_CLEAR_LIST(wxModuleList, m_wxmodules);
+    // NB: content of the list was deleted by UnregisterModule calls above:
+    m_wxmodules.clear();

 }
 
 
 }
 
 


@@ -351,7 +316,7 @@ bool wxPluginManager::UnloadLibrary(const wxString& libname)
         wxLogDebug(_T("Attempt to unload library '%s' which is not loaded."),
                    libname.c_str());
 
         wxLogDebug(_T("Attempt to unload library '%s' which is not loaded."),
                    libname.c_str());
 

-        return FALSE;
+        return false;

     }
 
     wxLogTrace(_T("dll"), _T("UnloadLibrary(%s)"), realname.c_str());
     }
 
     wxLogTrace(_T("dll"), _T("UnloadLibrary(%s)"), realname.c_str());


@@ -359,12 +324,12 @@ bool wxPluginManager::UnloadLibrary(const wxString& libname)
     if ( !entry->UnrefLib() )
     {
         // not really unloaded yet
     if ( !entry->UnrefLib() )
     {
         // not really unloaded yet

-        return FALSE;
+        return false;

     }
 
     ms_manifest->erase(ms_manifest->find(realname));
 
     }
 
     ms_manifest->erase(ms_manifest->find(realname));
 

-    return TRUE;
+    return true;

 }
 
 // ------------------------
 }
 
 // ------------------------


@@ -455,7 +420,7 @@ wxDllLoader::GetSymbol(wxDllType dllHandle, const wxString &name, bool *success)
         wxFAIL_MSG( _T("Using a library not loaded with wxDllLoader?") );
 
         if ( success )
         wxFAIL_MSG( _T("Using a library not loaded with wxDllLoader?") );
 
         if ( success )

-            *success = FALSE;
+            *success = false;

 
         return NULL;
     }
 
         return NULL;
     }


@@ -497,7 +462,7 @@ wxLibrary::wxLibrary(wxDllType handle)
 
     // Some system may use a local heap for library.
     get_first = (t_get_first)GetSymbol(_T("wxGetClassFirst"));
 
     // Some system may use a local heap for library.
     get_first = (t_get_first)GetSymbol(_T("wxGetClassFirst"));

-    // It is a wxWindows DLL.
+    // It is a wxWidgets DLL.

     if (get_first)
         PrepareClasses(get_first());
 }
     if (get_first)
         PrepareClasses(get_first());
 }


@@ -531,7 +496,7 @@ void wxLibrary::PrepareClasses(wxClassInfo *first)
         info = info->m_next;
     }
 
         info = info->m_next;
     }
 

-#if wxUSE_EXTENDED_RTTI == 0
+#if !wxUSE_EXTENDED_RTTI

     // Set base pointers for each wxClassInfo
     info = first;
     while (info)
     // Set base pointers for each wxClassInfo
     info = first;
     while (info)


@@ -561,13 +526,13 @@ wxLibraries::wxLibraries():m_loaded(wxKEY_STRING)
 
 wxLibraries::~wxLibraries()
 {
 
 wxLibraries::~wxLibraries()
 {

-    wxNode *node = m_loaded.First();
+    wxNode *node = m_loaded.GetFirst();

 
     while (node) {
 
     while (node) {

-        wxLibrary *lib = (wxLibrary *)node->Data();
+        wxLibrary *lib = (wxLibrary *)node->GetData();

         delete lib;
 
         delete lib;
 

-        node = node->Next();
+        node = node->GetNext();

     }
 }
 
     }
 }
 


@@ -578,7 +543,7 @@ wxLibrary *wxLibraries::LoadLibrary(const wxString& name)
     wxNode      *node = m_loaded.Find(name.GetData());
 
     if (node != NULL)
     wxNode      *node = m_loaded.Find(name.GetData());
 
     if (node != NULL)

-        return ((wxLibrary *)node->Data());
+        return ((wxLibrary *)node->GetData());

 
     // If DLL shares data, this is necessary.
     old_sm_first = wxClassInfo::sm_first;
 
     // If DLL shares data, this is necessary.
     old_sm_first = wxClassInfo::sm_first;


@@ -586,7 +551,7 @@ wxLibrary *wxLibraries::LoadLibrary(const wxString& name)
 
     wxString libname = ConstructLibraryName(name);
 
 
     wxString libname = ConstructLibraryName(name);
 

-    bool success = FALSE;
+    bool success = false;

     wxDllType handle = wxDllLoader::LoadLibrary(libname, &success);
     if(success)
     {
     wxDllType handle = wxDllLoader::LoadLibrary(libname, &success);
     if(success)
     {


@@ -602,15 +567,15 @@ wxLibrary *wxLibraries::LoadLibrary(const wxString& name)
 
 wxObject *wxLibraries::CreateObject(const wxString& path)
 {
 
 wxObject *wxLibraries::CreateObject(const wxString& path)
 {

-    wxNode *node = m_loaded.First();
+    wxNode *node = m_loaded.GetFirst();

     wxObject *obj;
 
     while (node) {
     wxObject *obj;
 
     while (node) {

-        obj = ((wxLibrary *)node->Data())->CreateObject(path);
+        obj = ((wxLibrary *)node->GetData())->CreateObject(path);

         if (obj)
             return obj;
 
         if (obj)
             return obj;
 

-        node = node->Next();
+        node = node->GetNext();

     }
     return NULL;
 }
     }
     return NULL;
 }