return ClientIDFromCacheKey(nsLiteralCString(mMetaDataFile.mKey), clientID);
return ClientIDFromCacheKey(nsDependentCString(mDiskEntry->mKeyStart), clientID);
NS_IMETHODIMP nsDiskCacheEntryInfo::GetClientID(char ** clientID){    NS_ENSURE_ARG_POINTER(clientID);    return ClientIDFromCacheKey(nsLiteralCString(mMetaDataFile.mKey), clientID);}