X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=util%2Fsu_codec.c;h=cd9584a23f626a28036a9604d3445e5a690824e1;hp=f249468ce6de4e7e7bc6837faac56ce9eb2334c3;hb=3f837255e2e97bd39ffabb13621d398f5610348c;hpb=763bf5f4fc8d22feda4784ec7a9db01902902016

diff --git a/util/su_codec.c b/util/su_codec.c
index f249468..cd9584a 100644
--- a/util/su_codec.c
+++ b/util/su_codec.c
@@ -1,4 +1,4 @@
-/* $Id: su_codec.c,v 1.2 2007-01-15 15:10:26 adam Exp $
+/* $Id: su_codec.c,v 1.3 2007-05-25 12:17:12 adam Exp $
    Copyright (C) 1995-2007
    Index Data ApS
 
@@ -31,6 +31,14 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 int key_SU_encode (int ch, char *out)
 {
     int i;
+
+    if (ch == -1)
+    {
+        /* unique value .. which is different from ch >= 0 case */
+        /* is used to generate queries with "null" hits, bug #1142 */
+        out[0] = 129;
+        return 1;
+    }
     for (i = 0; ch; i++)
     {
 	if (ch >= 64)