separate matching of full and partial match evaluation for better result stability...

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@766 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrd_fetch.c b/src/rrd_fetch.c
index bc1557d..59f17c1 100644 (file)
--- a/src/rrd_fetch.c
+++ b/src/rrd_fetch.c
@@ -175,7 +175,7 @@ rrd_fetch_fn(
     FILE           *in_file;
     time_t         cal_start,cal_end, rra_start_time,rra_end_time;
     long  best_full_rra=0, best_part_rra=0, chosen_rra=0, rra_pointer=0;
-    long  best_step_diff=0, tmp_step_diff=0, tmp_match=0, best_match=0;
+    long  best_full_step_diff=0, best_part_step_diff=0, tmp_step_diff=0, tmp_match=0, best_match=0;
     long  full_match, rra_base;
     long           start_offset, end_offset;
     int            first_full = 1;
@@ -239,9 +239,9 @@ fprintf(stderr,"Considering: start %10lu end %10lu step %5lu ",
            /* best full match */
            if(cal_end >= *end 
               && cal_start <= *start){
-               if (first_full || (tmp_step_diff < best_step_diff)){
+               if (first_full || (tmp_step_diff < best_full_step_diff)){
                    first_full=0;
-                   best_step_diff = tmp_step_diff;
+                   best_full_step_diff = tmp_step_diff;
                    best_full_rra=i;
 #ifdef DEBUG
 fprintf(stderr,"best full match so far\n");
@@ -262,13 +262,13 @@ fprintf(stderr,"full match, not best\n");
                if (first_part ||
                     (best_match < tmp_match) ||
                     (best_match == tmp_match && 
-                     tmp_step_diff < best_step_diff)){ 
+                     tmp_step_diff < best_part_step_diff)){ 
 #ifdef DEBUG
 fprintf(stderr,"best partial so far\n");
 #endif
                    first_part=0;
                    best_match = tmp_match;
-                   best_step_diff = tmp_step_diff;
+                   best_part_step_diff = tmp_step_diff;
                    best_part_rra =i;
                } else {
 #ifdef DEBUG