+ rrd_free(&rrdnew);
+ rrd_free(&rrdold);
+ rrd_close(rrd_file);
+ rrd_close(rrd_out_file);
+ return (-1);
+ }
+/*XXX: do one write for those parts of header that are unchanged */
+ if ((rrdnew.rra_ptr = (rra_ptr_t *)malloc(sizeof(rra_ptr_t) * rrdold.stat_head->rra_cnt)) == NULL) {
+ rrd_set_error("allocating rra_ptr for new RRD");
+ rrd_free(&rrdnew);
+ rrd_free(&rrdold);
+ rrd_close(rrd_file);
+ rrd_close(rrd_out_file);
+ return (-1);
+ }
+
+ /* Put this back the way it was so that the rest of the algorithm
+ below remains unchanged, it will be corrected later */
+ rrdnew.rra_def[target_rra].row_cnt -= modify;
+
+ rrdnew.ds_def = rrdold.ds_def;
+ rrdnew.live_head = rrdold.live_head;
+ rrdnew.pdp_prep = rrdold.pdp_prep;
+ rrdnew.cdp_prep = rrdold.cdp_prep;
+ memcpy(rrdnew.rra_ptr,rrdold.rra_ptr,sizeof(rra_ptr_t) * rrdold.stat_head->rra_cnt);
+
+
+ version = atoi(rrdold.stat_head->version);
+ switch (version) {
+ case 4:
+ break;
+ case 3:
+ break;
+ case 1:
+ rrdnew.stat_head->version[3] = '3';
+ break;
+ default:
+ rrd_set_error("Do not know how to handle RRD version %s",
+ rrdold.stat_head->version);
+
+ rrdnew.ds_def = NULL;
+ rrdnew.live_head = NULL;
+ rrdnew.pdp_prep = NULL;
+ rrdnew.cdp_prep = NULL;
+
+ rrd_free(&rrdnew);