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Fix various potential memory leaks.

Browse source 
Though I expect most not to be exercised in practice.
This commit is contained in:
Jon Siwek 2013-09-12 15:23:52 -05:00
parent c3a4454892
commit 0b97343ff7
29 changed files with 142 additions and 32 deletions
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8
src/probabilistic/CardinalityCounter.cc
View file

@ -188,5 +188,11 @@ CardinalityCounter* CardinalityCounter::Unserialize(UnserialInfo* info)
buckets[i] = (uint8)c;
}
return valid ? c : 0;
if ( ! valid )
{
delete c;
c = 0;
}
return c;
}

5
src/probabilistic/Topk.cc
View file

@ -161,6 +161,7 @@ void TopkVal::Merge(const TopkVal* value, bool doPrune)
Element* e = b->elements.front();
HashKey* key = GetHash(e->value);
elementDict->RemoveEntry(key);
delete key;
delete e;
b->elements.pop_front();
@ -323,6 +324,7 @@ uint64_t TopkVal::GetCount(Val* value) const
{
HashKey* key = GetHash(value);
Element* e = (Element*) elementDict->Lookup(key);
delete key;
if ( e == 0 )
{
@ -330,7 +332,6 @@ uint64_t TopkVal::GetCount(Val* value) const
return 0;
}
delete key;
return e->parent->count;
}
@ -338,6 +339,7 @@ uint64_t TopkVal::GetEpsilon(Val* value) const
{
HashKey* key = GetHash(value);
Element* e = (Element*) elementDict->Lookup(key);
delete key;
if ( e == 0 )
{
@ -345,7 +347,6 @@ uint64_t TopkVal::GetEpsilon(Val* value) const
return 0;
}
delete key;
return e->epsilon;
}