inf is null in json :-(

diff --git a/src/rrd_xport.c b/src/rrd_xport.c
index 4ecee042ae84a87c222b5d0aa81accec5077d887..22efe73538d2ece85275c1b00d831f40b501cfec 100644 (file)
--- a/src/rrd_xport.c
+++ b/src/rrd_xport.c
@@ -769,7 +769,7 @@ int rrd_xport_format_xmljson(int flags,stringbuffer_t *buffer,image_desc_t *im,t
       rrd_value_t newval = DNAN;
       newval = *ptr;
       if (json){
-       if (isnan(newval)){
+       if (isnan(newval) || isinf(newval)){
          addToBuffer(buffer,"null",0);                        
        } else {
          snprintf(buf,sizeof(buf),"%0.10e",newval);