From faa077ca9e1d853c8e24a60a3044844199f643dc Mon Sep 17 00:00:00 2001
From: "W. Eric Norum" <wenorum@lbl.gov>
Date: Sat, 16 Dec 2000 01:07:14 +0000
Subject: [PATCH] Avoid a null-pointer dereference when the dbpr command is
 invoked with no arguments.

---
 src/db/dbTest.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/db/dbTest.c b/src/db/dbTest.c
index ea7856bd6..b022c8fde 100644
--- a/src/db/dbTest.c
+++ b/src/db/dbTest.c
@@ -350,6 +350,8 @@ long epicsShareAPI dbpr(char *pname,int interest_level)
     char            *pmsg;
     int              tab_size;
 
+    if (pname == NULL)
+        return;
     pmsg = pMsgBuff->message;
     tab_size = 20;