PatR b630d5e038 fix issue #509 - shop 'glob' pricing segfault ...

A recent change made it possible for a glob to have its dknown flag
cleared and that exposed globby_bill_fixup() passing Null shopkeeper
to get_cost(), triggering a crash.

Make the routine that clears dknown/known/bknown/&c also be the
routine used to initialize those flags for a new object so that it
is the place that handles various special cases.  That hides the
shop bug again.

But also fix the shop bug even though it won't be triggered.

Fixes #509

2021-05-12 16:13:40 -07:00

70 KiB

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