- if(rrd_open(argv[1], &in_file, &rrd, RRD_READONLY)==-1){
+
+ lastup = rrd_last_r(argv[1]);
+
+ return(lastup);
+}
+
+
+time_t
+rrd_last_r(char *filename)
+{
+ FILE *in_file;
+ time_t lastup;
+
+ rrd_t rrd;
+
+ if(rrd_open(filename, &in_file, &rrd, RRD_READONLY)==-1){