From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Sat, 31 May 2008 12:28:11 +0000 (+0000)
Subject: make sure vdef calcs only calc as far as originally requested.
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=832331010974c7899ad3c3124557a12c48b7e2c5;p=rrdtool-all.git

make sure vdef calcs only calc as far as originally requested.


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk@1386 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c
index 480041f9..760e3a34 100644
--- a/program/src/rrd_graph.c
+++ b/program/src/rrd_graph.c
@@ -4510,15 +4510,18 @@ int vdef_calc(
     graph_desc_t *src, *dst;
     rrd_value_t *data;
     long      step, steps;
+    unsigned long end;
 
     dst = &im->gdes[gdi];
     src = &im->gdes[dst->vidx];
     data = src->data + src->ds;
-    steps = (src->end - src->start) / src->step;
+    end = src->end_orig % src->step == 0 ? src->end_orig : (src->end_orig + src->step - src->end_orig % src->step);
+
+    steps = (end - src->start) / src->step;
 #if 0
     printf
         ("DEBUG: start == %lu, end == %lu, %lu steps\n",
-         src->start, src->end, steps);
+         src->start, src->end_orig, steps);
 #endif
     switch (dst->vf.op) {
     case VDEF_PERCENT:{