From f55ccbfd21ef816c7958081f56f8f0d682251448 Mon Sep 17 00:00:00 2001
From: Tobias Oetiker <tobi@oetiker.ch>
Date: Wed, 23 Oct 2013 19:06:58 +0200
Subject: [PATCH] argument parser regression fix - if no explicit reduce
 function is set, use the one associated with the RRA and not AVERAGE

---
 src/rrd_graph.c        | 4 +++-
 src/rrd_graph.h        | 1 +
 src/rrd_graph_helper.c | 3 ++-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index d2049a95..12033e6d 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -941,7 +941,8 @@ int data_fetch(
                chart and visibility of data will be random */            
             im->gdes[i].step = max(im->gdes[i].step,im->step);
             if (ft_step < im->gdes[i].step) {
-                reduce_data(im->gdes[i].cf_reduce,
+                
+                reduce_data(im->gdes[i].cf_reduce_set ? im->gdes[i].cf_reduce : im->gdes[i].cf,
                             ft_step,
                             &im->gdes[i].start,
                             &im->gdes[i].end,
@@ -4035,6 +4036,7 @@ int gdes_alloc(
     im->gdes[im->gdes_c - 1].rrd[0] = '\0';
     im->gdes[im->gdes_c - 1].ds = -1;
     im->gdes[im->gdes_c - 1].cf_reduce = CF_AVERAGE;
+    im->gdes[im->gdes_c - 1].cf_reduce_set = 0;    
     im->gdes[im->gdes_c - 1].cf = CF_AVERAGE;
     im->gdes[im->gdes_c - 1].yrule = DNAN;
     im->gdes[im->gdes_c - 1].xrule = 0;
diff --git a/src/rrd_graph.h b/src/rrd_graph.h
index 18718bae..eca79e2e 100644
--- a/src/rrd_graph.h
+++ b/src/rrd_graph.h
@@ -207,6 +207,7 @@ typedef struct graph_desc_t {
     char      daemon[256];
     enum cf_en cf;      /* consolidation function */
     enum cf_en cf_reduce;   /* consolidation function for reduce_data() */
+    int        cf_reduce_set; /* is the cf_reduce option set */
     struct gfx_color_t col, col2; /* graph color */
 	double    gradheight;
     char      format[FMT_LEG_LEN + 5];  /* format for PRINT AND GPRINT */
diff --git a/src/rrd_graph_helper.c b/src/rrd_graph_helper.c
index 6be6f8e7..cb4ac9c9 100644
--- a/src/rrd_graph_helper.c
+++ b/src/rrd_graph_helper.c
@@ -470,6 +470,7 @@ static graph_desc_t* newGraphDescription(image_desc_t *const im,enum gf_en gf,pa
     char *reduce=getKeyValueArgument("reduce",1,pa);
     if (reduce) { 
       gdp->cf_reduce=cf_conv(reduce);
+      gdp->cf_reduce_set=1;
       dprintfparsed("got reduce: %s (%i)\n",reduce,gdp->cf_reduce);
       if (((int)gdp->cf_reduce)==-1) { rrd_set_error("bad reduce CF: %s",reduce); return NULL; }
     }
@@ -867,7 +868,7 @@ int parse_def(enum gf_en gf,parsedargs_t*pa,image_desc_t *const im){
 					); 
   if (gdp->step == 0){
       gdp->step = im->step; /* initialize with image wide step */
-  }
+  }  
   if (!gdp) { return 1;}
   /* debugging output */
   dprintf("=================================\n");
-- 
2.47.3