reuse the same null handle in globify_scalar

diff --git a/Debbugs/Common.pm b/Debbugs/Common.pm
index e16e78c8af87e2ffdd0106ff4fa19c979dfe0fed..b135c42cd6c263cc37e4fd997b41b7ec1be9c13d 100644 (file)
--- a/Debbugs/Common.pm
+++ b/Debbugs/Common.pm
@@ -1140,6 +1140,8 @@ before. This appears to be a bug in the underlying modules.
 
 =cut
 
+our $_NULL_HANDLE;
+
 sub globify_scalar {
      my ($scalar) = @_;
      my $handle;
@@ -1164,8 +1166,15 @@ sub globify_scalar {
          else {
               carp "Given a non-scalar reference, non-glob to globify_scalar; returning /dev/null handle";
          }
+      }
+     if (not defined $_NULL_HANDLE or
+        not $_NULL_HANDLE->opened()
+       ) {
+        $_NULL_HANDLE =
+            IO::File->new('/dev/null','>:encoding(UTF-8)') or
+                die "Unable to open /dev/null for writing: $!";
      }
-     return IO::File->new('/dev/null','>:encoding(UTF-8)');
+     return $_NULL_HANDLE;
 }
 
 =head2 cleanup_eval_fail()