kicad-developers team mailing list archive

[Jon Evans <jon@xxxxxxxxxxxxx>]

Can you run with ASAN on (KICAD_SANITIZE in CMake) and see if you get some
info about why you get a segfault?

On Fri, Sep 25, 2020 at 10:28 AM Franck Jullien <franck.jullien@xxxxxxxxx>
wrote:

> Hi,
>
> I'm working on the intersheets references functionality and I'm
> struggling with a segfault.
> Until now, I didn't try to remove iref from sheets. Now, I do this with:
>
> void SCH_EDIT_FRAME::RemoveAllIntersheetsRefs()
> {
>     SCH_SHEET_LIST sheets = Schematic().GetSheets();
>     SCH_GLOBALLABEL* gLabel;
>
>     m_labelTable.clear();
>
>     for( const SCH_SHEET_PATH& sheet : sheets )
>     {
>         SCH_SCREEN* screen = sheet.LastScreen();
>
>         for( SCH_ITEM* item : screen->Items() )
>         {
>
>             if( item->Type() == SCH_GLOBAL_LABEL_T )
>             {
>                 gLabel = (SCH_GLOBALLABEL*)( item );
>                 SCH_IREF* iref = gLabel->GetIref();
>
>                 if( iref )
>                 {
>                     gLabel->SetIref( nullptr );
>                     gLabel->SetIrefSavedPosition( wxDefaultPosition );
>                     screen->DeleteItem( iref );
>                 }
>             }
>         }
>     }
> }
>
> As soon as I call DeleteItem (or RemoveFromScreen) I get a crash.
> Is there something obvious I don't see ?
>
> I still need to get familiar with screens, sheets, frames, canvas,
> views....
>
> Thanks in advance.
>
> Franck.
>
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