From: Kim Nguyễn <kn@lri.fr>
Date: Wed, 2 May 2012 12:24:36 +0000 (+0200)
Subject: Don't flush the XML printing buffer if nothing was printed.
X-Git-Url: http://git.nguyen.vg/gitweb/?p=SXSI%2Fxpathcomp.git;a=commitdiff_plain;h=4814ef8392dd9197a6bef7d7bc82be4c2b8e7f5d

Don't flush the XML printing buffer if nothing was printed.
---

diff --git a/src/nodeSet.ml b/src/nodeSet.ml
index 944f85c..0828029 100644
--- a/src/nodeSet.ml
+++ b/src/nodeSet.ml
@@ -200,8 +200,10 @@ module Mat : S with type t = Tree.node mat =
 	  Unix.close
       in
       ignore (Unix.write fd "<xml_result>\n" 0 13);
-      iter (fun node -> Tree.print_xml v node fd) l;
-      Tree.flush v fd;
+      if l.length > 0 then begin
+	iter (fun node -> Tree.print_xml v node fd) l;
+	Tree.flush v fd;
+      end;
       ignore (Unix.write fd "</xml_result>\n" 0 14);
       finish fd