drop LISTBOX_ERROR

almost nobody checks it, so rather just assert

Change-Id: Ic3ad4c04c4f6013db3e8757559d3a773df020a1d
Reviewed-on: https://gerrit.libreoffice.org/62684
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

cui/source/options/optchart.cxx

@@ -51,19 +51,16 @@ void SvxDefaultColorOptPage::InsertColorEntry(const XColorEntry& rEntry, sal_Int
 
     nPos = m_pLbChartColors->InsertEntry(rStr, Image(aBitmap), nPos);
 
-    if (nPos != LISTBOX_ERROR)
+    if ( static_cast<size_t>(nPos) < aColorList.size() )
     {
-        if ( static_cast<size_t>(nPos) < aColorList.size() )
-        {
-            ImpColorList::iterator it = aColorList.begin();
-            std::advance( it, nPos );
-            aColorList.insert( it, rColor );
-        }
-        else
-        {
-            aColorList.push_back( rColor );
-            nPos = aColorList.size() - 1;
-        }
+        ImpColorList::iterator it = aColorList.begin();
+        std::advance( it, nPos );
+        aColorList.insert( it, rColor );
+    }
+    else
+    {
+        aColorList.push_back( rColor );
+        nPos = aColorList.size() - 1;
     }
 }
 

include/vcl/lstbox.hxx

@@ -27,7 +27,6 @@
 
 #define LISTBOX_APPEND              (SAL_MAX_INT32)
 #define LISTBOX_ENTRY_NOTFOUND      (SAL_MAX_INT32)
-#define LISTBOX_ERROR               (SAL_MAX_INT32)
 #define LISTBOX_MAX_ENTRIES         (SAL_MAX_INT32 - 1)
 
 // the following defines can be used for the SetEntryFlags()

svtools/source/control/ctrlbox.cxx

@@ -748,15 +748,12 @@ void FontNameBox::Fill( const FontList* pList )
     {
         const FontMetric& rFontMetric = pList->GetFontName( i );
         sal_Int32 nIndex = InsertEntry( rFontMetric.GetFamilyName() );
-        if ( nIndex != LISTBOX_ERROR )
-        {
-            if ( nIndex < static_cast<sal_Int32>(mpFontList->size()) ) {
-                ImplFontList::iterator it = mpFontList->begin();
-                ::std::advance( it, nIndex );
-                mpFontList->insert( it, rFontMetric );
-            } else {
-                mpFontList->push_back( rFontMetric );
-            }
+        if ( nIndex < static_cast<sal_Int32>(mpFontList->size()) ) {
+            ImplFontList::iterator it = mpFontList->begin();
+            ::std::advance( it, nIndex );
+            mpFontList->insert( it, rFontMetric );
+        } else {
+            mpFontList->push_back( rFontMetric );
         }
     }
 

vcl/source/control/imp_listbox.cxx

@@ -121,8 +121,8 @@ sal_Int32 ListBox::NaturalSortCompare(const OUString &rA, const OUString &rB)
 
 sal_Int32 ImplEntryList::InsertEntry( sal_Int32 nPos, ImplEntryType* pNewEntry, bool bSort )
 {
-    if (nPos < 0 || LISTBOX_MAX_ENTRIES <= maEntries.size())
-        return LISTBOX_ERROR;
+    assert(nPos >= 0);
+    assert(maEntries.size() < LISTBOX_MAX_ENTRIES);
 
     if ( !!pNewEntry->maImage )
         mnImages++;
@@ -764,8 +764,8 @@ void ImplListBoxWindow::ImplCallSelect()
 
 sal_Int32 ImplListBoxWindow::InsertEntry( sal_Int32 nPos, ImplEntryType* pNewEntry )
 {
-    if (nPos < 0 || LISTBOX_MAX_ENTRIES <= mpEntryList->GetEntryCount())
-        return LISTBOX_ERROR;
+    assert(nPos >= 0);
+    assert(mpEntryList->GetEntryCount() < LISTBOX_MAX_ENTRIES);
 
     ImplClearLayoutData();
     sal_Int32 nNewPos = mpEntryList->InsertEntry( nPos, pNewEntry, mbSort );
@@ -2220,11 +2220,6 @@ sal_Int32 ImplListBox::InsertEntry( sal_Int32 nPos, const OUString& rStr )
 {
     ImplEntryType* pNewEntry = new ImplEntryType( rStr );
     sal_Int32 nNewPos = maLBWindow->InsertEntry( nPos, pNewEntry );
-    if (nNewPos == LISTBOX_ERROR)
-    {
-        delete pNewEntry;
-        return nNewPos;
-    }
     CompatStateChanged( StateChangedType::Data );
     return nNewPos;
 }
@@ -2233,11 +2228,6 @@ sal_Int32 ImplListBox::InsertEntry( sal_Int32 nPos, const OUString& rStr, const
 {
     ImplEntryType* pNewEntry = new ImplEntryType( rStr, rImage );
     sal_Int32 nNewPos = maLBWindow->InsertEntry( nPos, pNewEntry );
-    if (nNewPos == LISTBOX_ERROR)
-    {
-        delete pNewEntry;
-        return nNewPos;
-    }
     CompatStateChanged( StateChangedType::Data );
     return nNewPos;
 }