From cc24fb418d8da7ed93f9cd936f7da8fc7e0381bf Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Tue, 24 May 2011 14:20:08 -0400
Subject: [PATCH] Avoid uninitialized bits in the result of QTN2QT().

Found with additional valgrind testing.

Noah Misch
---
 src/backend/utils/adt/tsquery_util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/utils/adt/tsquery_util.c b/src/backend/utils/adt/tsquery_util.c
index ca254f901f..53093f1e86 100644
--- a/src/backend/utils/adt/tsquery_util.c
+++ b/src/backend/utils/adt/tsquery_util.c
@@ -336,7 +336,7 @@ QTN2QT(QTNode *in)
 	cntsize(in, &sumlen, &nnode);
 	len = COMPUTESIZE(nnode, sumlen);
 
-	out = (TSQuery) palloc(len);
+	out = (TSQuery) palloc0(len);
 	SET_VARSIZE(out, len);
 	out->size = nnode;