drc_rule.cpp: avoid crash with a incorrect (broken or too old?) drc_rule file.

The crash was due to a null pointer not tested.
5 years ago · 1aa38b8f82
1 changed files with 8 additions and 0 deletions
--- a/pcbnew/drc/drc_rule.cpp
+++ b/pcbnew/drc/drc_rule.cpp
@ -78,6 +78,14 @@ const DRC_CONSTRAINT* GetConstraint( const BOARD_ITEM* aItem, const BOARD_ITEM*
        }
        else
        {
+            if( !rule->m_Condition )
+            {
+                if( aReporter )
+                    aReporter->Report( _( "No condition found; rule not applied." ) );
+
+                return nullptr;
+            }
+
            if( aReporter )
            {
                aReporter->Report( wxString::Format( _( "Checking rule condition \"%s\"." ),