From cb0025e7bb3439880f934489243d1a35cdaffe73 Mon Sep 17 00:00:00 2001
From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Thu, 24 Nov 2011 10:55:18 +0000
Subject: [PATCH] properly handle the case where RRDCACHED_ADDRESS is an empty
 string

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.4/program@2220 a5681a0c-68f1-0310-ab6d-d61299d08faa
---
 src/rrd_client.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/rrd_client.c b/src/rrd_client.c
index 11c1e33..e7c227b 100644
--- a/src/rrd_client.c
+++ b/src/rrd_client.c
@@ -350,7 +350,8 @@ int rrdc_is_connected(const char *daemon_addr) /* {{{ */
      * but it is not specified in the current command.
      * Daemon is only implied in this case if set in ENV
      */
-    if (getenv(ENV_RRDCACHED_ADDRESS) != NULL)
+    char *addr = getenv(ENV_RRDCACHED_ADDRESS);
+    if (addr != NULL && strcmp(addr,"") != 0)
       return 1;
     else
       return 0;
@@ -515,7 +516,7 @@ int rrdc_connect (const char *addr) /* {{{ */
     addr = getenv (ENV_RRDCACHED_ADDRESS);
   }
 
-  if (addr == NULL || ! strcmp(addr,"") ) {
+  if (addr == NULL || strcmp(addr,"") == 0 ) {
     addr = NULL;
     return 0;   
   }
-- 
2.30.2