From 7c8acd5931d3dba654616af79b29d9d1f6d3d13e Mon Sep 17 00:00:00 2001
From: unknown <msvensson@devsrv-b.mysql.com>
Date: Fri, 24 Mar 2006 11:12:32 +0100
Subject: Fix 'metaphon' function to correctly calculate the length of the
 returned string

sql/udf_example.cc:
  Calculate length of returned string correctly
---
 sql/udf_example.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'sql/udf_example.cc')

diff --git a/sql/udf_example.cc b/sql/udf_example.cc
index e6d272d9085..73e49aef178 100644
--- a/sql/udf_example.cc
+++ b/sql/udf_example.cc
@@ -497,7 +497,7 @@ char *metaphon(UDF_INIT *initid, UDF_ARGS *args, char *result,
 	}
     }
   }
-  *length= (ulong) (result - org_result);
+  *length= (ulong) (max(0, result - org_result - 1));
   return org_result;
 }
 
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