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ircd::db: Assert valid iterator prior to all relevant operations.

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This commit is contained in:
Jason Volk 2023-04-15 15:12:27 -07:00
parent 73a3a4cb35
commit 6e7d63ce6d
1 changed files with 22 additions and 5 deletions
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27
ircd/db.cc
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@ -5179,11 +5179,24 @@ ircd::db::_seek_(rocksdb::Iterator &it,
switch(p) switch(p)
{ {
case pos::NEXT: it.Next(); break; case pos::NEXT:
case pos::PREV: it.Prev(); break; assert(valid(it));
case pos::FRONT: it.SeekToFirst(); break; it.Next();
case pos::BACK: it.SeekToLast(); break; break;
default:
case pos::PREV:
assert(valid(it));
it.Prev();
break;
case pos::FRONT:
it.SeekToFirst();
break;
case pos::BACK:
it.SeekToLast();
break;
case pos::END: case pos::END:
{ {
it.SeekToLast(); it.SeekToLast();
@ -5192,6 +5205,10 @@ ircd::db::_seek_(rocksdb::Iterator &it,
break; break;
} }
default:
assert(false);
break;
} }
return it; return it;