X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_cgi.c;h=14ce2d48cb2671d3421e16c10368e4052fa30383;hb=e8427a643ab88d24bd5b67346375c3b065a1bd87;hp=e79ecb7c1bee78fa1d6ad49a52cbe4b1167cac3e;hpb=5837606887a6d81e8b1f7588525cb1c8783fb62b;p=rrdtool.git

diff --git a/src/rrd_cgi.c b/src/rrd_cgi.c
index e79ecb7..14ce2d4 100644
--- a/src/rrd_cgi.c
+++ b/src/rrd_cgi.c
@@ -211,8 +211,13 @@ char* rrdsetenv(long argc, char **args){
 char* rrdgetenv(long argc, char **args){
   if (argc != 1) {
     return stralloc("[ERROR: getenv faild because it did not get 1 argument only]");
-  };
-  return stralloc(getenv(args[0]));
+  }
+  else if (getenv(args[0]) == NULL) {
+    return stralloc("");
+  }
+  else {
+    return stralloc(getenv(args[0]));
+  }
 }
 
 char* rrdgoodfor(long argc, char **args){