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fix #H3039 - panic() when trying to drop destroyed items

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From a bug report, dropping a lit
(burning) potion of oil while levitating can produce an explosion which can
destroy inventory.  If in the process of dropping multiple items, the ones
after the oil might be gone, resulting in use of stale pointers and possibly
triggering an "extract_nobj: object lost" panic or even a crash.  While
testing my fix, I discovered that being killed by an exploding potion of oil
could produce an "object_is_local" panic if bones are saved  (and reproduced
with unmodified 3.4.3).
This commit is contained in:
nethack.rankin
2013-11-05 00:57:56 +00:00
parent d7a467fff1
commit e8e291b018
9 changed files with 108 additions and 10 deletions
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12
src/explode.c
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@@ -642,4 +642,16 @@ splatter_burning_oil(x, y)
explode(x, y, ZT_SPELL_O_FIRE, d(4,4), BURNING_OIL, EXPL_FIERY);
}
/* lit potion of oil is exploding; extinguish it as a light source before
possibly killing the hero and attempting to save bones */
void
explode_oil(obj, x, y)
struct obj *obj;
int x, y;
{
if (!obj->lamplit) impossible("exploding unlit oil");
end_burn(obj, TRUE);
splatter_burning_oil(x, y);
}
/*explode.c*/