In LOC, deal with 0 values for size, horizontal precision, and vertical precision.

diff --git a/dns/rdtypes/ANY/LOC.py b/dns/rdtypes/ANY/LOC.py
index 863c184f08e688b1e1a30cc76af41b4675df98a8..6266ae669656bae15f4576324688e265ac80cbab 100644 (file)
--- a/dns/rdtypes/ANY/LOC.py
+++ b/dns/rdtypes/ANY/LOC.py
@@ -28,6 +28,8 @@ _default_hprec = 1000000.0
 _default_vprec = 1000.0
 
 def _exponent_of(what, desc):
+    if what == 0:
+        return 0
     exp = None
     for i in xrange(len(_pows)):
         if what // _pows[i] == 0L: