if (mHostName) nsCRT::free(mHostName);  #if defined(XP_UNIX) if (mNextLookup) NS_RELEASE(mNextLookup); #endif
NS_ASSERTION(PR_CLIST_IS_EMPTY(this), "lookup deleted while on list"); NS_ASSERTION(PR_CLIST_IS_EMPTY(&mRequestQ), "lookup deleted while requests pending"); if (mHostName)  nsCRT::free(mHostName);
nsDNSLookup::~nsDNSLookup(void){    MOZ_COUNT_DTOR(nsDNSLookup);        if (mHostName)        nsCRT::free(mHostName);#if defined(XP_UNIX)    if (mNextLookup)        NS_RELEASE(mNextLookup);#endif}