nethack.allison abd3df2871
get_adjacent_loc() ...
use get_adjacent_loc() rather than getdir() directly for some things where
you want to ensure valid adjacent coordinates are returned
<email deleted> wrote:
>>> [...]
>>> I've noticed that the loot adjacent spot code doesn't have any
>>> isok(x,y) test, so will risk crashing if used at the edge of
>>> the screen (whether deliberately, or accidentally due to being
>>> confused or stunned when picking the direction).
>> Would this not be a problem elsewhere, such as use_leash() too?
> Yes, that looks like the same risk. getdir() doesn't validate
> that the <u.ux+u.dx, u.uy,u.dy> is safe and neither does m_at(),
> so their callers need to.
>
> I did manage to provoke a crash with #loot on the plane of earth,
> although an accidental case would be a lot less likely to happen.
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abd3df2871