# HG changeset patch
# User Matt Mackall <mpm@selenic.com>
# Date 2009-10-03 20:57:48
# Node ID effa05849027f2759c812dfd37d3cfafe0d605e0
# Parent  e3ce0c30798b911660d397cd5b07c8bc39297556

Fix for issue1848

diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -1270,6 +1270,11 @@ def termwidth():
                 return array.array('h', arri)[1]
             except ValueError:
                 pass
+            except IOError, e: 
+                if e[0] == errno.EINVAL: 
+                    pass 
+                else: 
+                    raise 
     except ImportError:
         pass
     return 80