fixed data pointer storage

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@75 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index 0f6f588..f4ad81a 100644 (file)
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -803,7 +803,7 @@ printf("DEBUG: value from vdef is %f\n",im->gdes[ptr].vf.val);
                             * further save step size and data source
                             * count of this rra
                             */ 
-                           im->gdes[gdi].rpnp[rpi].data = im->gdes[ptr].data; 
+                            im->gdes[gdi].rpnp[rpi].data =  im->gdes[ptr].data + im->gdes[ptr].ds;
                            im->gdes[gdi].rpnp[rpi].step = im->gdes[ptr].step;
                            im->gdes[gdi].rpnp[rpi].ds_cnt = im->gdes[ptr].ds_cnt;