From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Sat, 23 Mar 2002 08:53:31 +0000 (+0000)
Subject: Move CDEF start pointers if start of cdef is a step ahead of the start
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=d252a95b51aac07904ec27dde793826894ba8ad9;p=rrdtool.git

Move CDEF start pointers if start of cdef is a step ahead of the start
of the data -- Ashok Mandala <chakri063@yahoo.com>


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@100 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index 04cdc54..166d562 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -816,6 +816,17 @@ printf("DEBUG: value from vdef is %f\n",im->gdes[ptr].vf.val);
 		    } /* if OP_VARIABLE */
 		} /* loop through all rpi */
 
+                /* move the data pointers to the correct period */
+                for(rpi=0;im->gdes[gdi].rpnp[rpi].op != OP_END;rpi++){
+                    if(im->gdes[gdi].rpnp[rpi].op == OP_VARIABLE){
+                        long ptr = im->gdes[gdi].rpnp[rpi].ptr;
+                        if(im->gdes[gdi].start > im->gdes[ptr].start) {
+                            im->gdes[gdi].rpnp[rpi].data += im->gdes[gdi].rpnp[rpi].ds_cnt;
+                        }
+                     }
+                }
+        
+
 		if(steparray == NULL){
 		    rrd_set_error("rpn expressions without DEF"
 				" or CDEF variables are not supported");