haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add some defensive code to prevent crash when no undo record is stacked. 

Fixes: lp:1838843
* https://bugs.launchpad.net/kicad/+bug/1838843
This commit is contained in:
Jeff Young 2019-08-03 17:14:56 -06:00
parent 5503727d3d
commit b6b26b4e1e
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
eeschema/schematic_undo_redo.cpp
View File

@ -362,14 +362,17 @@ void SCH_EDIT_FRAME::PutDataInPreviousState( PICKED_ITEMS_LIST* aList, bool aRed
void SCH_EDIT_FRAME::RollbackSchematicFromUndo() void SCH_EDIT_FRAME::RollbackSchematicFromUndo()
{ {
PICKED_ITEMS_LIST* undo = GetScreen()->PopCommandFromUndoList(); PICKED_ITEMS_LIST* undo = GetScreen()->PopCommandFromUndoList();
PutDataInPreviousState( undo, false );
undo->ClearListAndDeleteItems(); if( undo )
delete undo; {
PutDataInPreviousState( undo, false );
undo->ClearListAndDeleteItems();
delete undo;
SetSheetNumberAndCount(); SetSheetNumberAndCount();
TestDanglingEnds(); TestDanglingEnds();
}
SyncView(); SyncView();
GetCanvas()->Refresh(); GetCanvas()->Refresh();