diff options
| -rw-r--r-- | src/HelpTopic.pas | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/HelpTopic.pas b/src/HelpTopic.pas index c0f72ffc..1d64c147 100644 --- a/src/HelpTopic.pas +++ b/src/HelpTopic.pas @@ -222,10 +222,11 @@ begin if SlotNumber < FileHeader.nslots then begin pSlotOffsets := FileData + FileHeader.slotsstart; - + // point to correct slot offset pSlotData := pSlotHeader( FileData + pSlotOffsets^[ SlotNumber ] ); - - Slot.pData := pInt8( pSlotData + sizeof( TSlotHeader ) ); + if pSlotData^.stuff <> Byte(0) then + raise Exception.Create('We are NOT at the correct location in the file for the SlotHeader structure!'); + Slot.pData := pInt8(pSlotData) + sizeof(TSlotHeader); Slot.pLocalDictionary := FileData + pSlotData^.localDictPos; Slot.LocalDictSize := pSlotData^.nLocalDict; Slot.Size := pSlotData^.ntext; |