nethack-gwaa-kiwi/nethack
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Fix accessing freed landmine trap

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Landmine blew up, scatter exploded a potion of oil, which melted
the ice on which the landmine was, resulting in the landmine trap
being deleted.  The code then tried to access it to make a pit.
This commit is contained in:
Pasi Kallinen
2024-05-31 10:28:44 +03:00
parent 0490f7736c
commit 2ba42cf78c
1 changed files with 2 additions and 1 deletions
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src/trap.c
+2 -1
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@@ -3044,8 +3044,9 @@ blow_up_landmine(struct trap *trap)
/* if under the portcullis, the bridge is adjacent */ /* if under the portcullis, the bridge is adjacent */
if (find_drawbridge(&dbx, &dby)) if (find_drawbridge(&dbx, &dby))
destroy_drawbridge(dbx, dby); destroy_drawbridge(dbx, dby);
trap = t_at(x, y); /* expected to be null after destruction */
} }
trap = t_at(x, y); /* expected to be null after destruction */
/* or could be null if scatter blew up oil which melted ice */
/* convert landmine into pit */ /* convert landmine into pit */
if (trap) { if (trap) {
if (Is_waterlevel(&u.uz) || Is_airlevel(&u.uz)) { if (Is_waterlevel(&u.uz) || Is_airlevel(&u.uz)) {