+ version = atoi(rrdold.stat_head->version);
+ switch (version) {
+ case 3: break;
+ case 1: rrdold.stat_head->version[3]='3';
+ break;
+ default: {
+ rrd_set_error("Do not know how to handle RRD version %s",rrdold.stat_head->version);
+ rrd_free(&rrdold);
+ fclose(infile);
+ return(-1);
+ }
+ }
+