1 files changed, 5 insertions, 20 deletions
diff --git a/lib/dns.js b/lib/dns.js
index e9611a3a7..baac2b48d 100644
--- a/lib/dns.js
+++ b/lib/dns.js
@@ -19,27 +19,12 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-var cares = process.binding('cares_wrap'),
-    net = require('net'),
-    isIp = net.isIP;
+var cares = process.binding('cares_wrap');
+var net = require('net');
+var util = require('util');
 
-
-function errnoException(errorno, syscall) {
-  // TODO make this more compatible with ErrnoException from src/node.cc
-  // Once all of Node is using this function the ErrnoException from
-  // src/node.cc should be removed.
-
-  // For backwards compatibility. libuv returns ENOENT on NXDOMAIN.
-  if (errorno == 'ENOENT') {
-    errorno = 'ENOTFOUND';
-  }
-
-  var e = new Error(syscall + ' ' + errorno);
-
-  e.errno = e.code = errorno;
-  e.syscall = syscall;
-  return e;
-}
+var errnoException = util._errnoException;
+var isIp = net.isIP;
 
 
 // c-ares invokes a callback either synchronously or asynchronously,