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hickup, re-fix dictEncObjKeyCompare

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come to think of it, in theory (not in practice), getDecodedObject can
return the same original object with refcount incremented, so the
pointer comparision in the previous commit was invalid.
so now instead of checking the encoding, we explicitly check the
refcount.
This commit is contained in:
Oran Agra 2020-04-28 12:14:46 +03:00
parent e8bc306850
commit 9a3dab0a2e
1 changed files with 4 additions and 4 deletions
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src/server.c
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@ -1223,11 +1223,11 @@ int dictEncObjKeyCompare(void *privdata, const void *key1,
* good reasons, because it would incrRefCount() the object, which
* is invalid. So we check to make sure dictFind() works with static
* objects as well. */
if (!sdsEncodedObject(o1)) o1 = getDecodedObject(o1);
if (!sdsEncodedObject(o2)) o2 = getDecodedObject(o2);
if (o1->refcount != OBJ_STATIC_REFCOUNT) o1 = getDecodedObject(o1);
if (o2->refcount != OBJ_STATIC_REFCOUNT) o2 = getDecodedObject(o2);
cmp = dictSdsKeyCompare(privdata,o1->ptr,o2->ptr);
if (o1!=key1) decrRefCount(o1);
if (o2!=key2) decrRefCount(o2);
if (o1->refcount != OBJ_STATIC_REFCOUNT) decrRefCount(o1);
if (o2->refcount != OBJ_STATIC_REFCOUNT) decrRefCount(o2);
return cmp;
}