strcpy(rrd->stat_head->cookie,RRD_COOKIE);
read_tag(&ptr,"version","%4[0-9]",rrd->stat_head->version);
/* added primitive version checking */
- if (atoi(rrd -> stat_head -> version) != 2)
+ if (atoi(rrd -> stat_head -> version) > atoi(RRD_VERSION) )
{
- rrd_set_error("Incompatible file version, detected version %s, required version %s\n",
- rrd -> stat_head -> version, RRD_VERSION);
+ rrd_set_error("Incompatible file version, detected version %s is bigger than supported version %s\n",
+ rrd -> stat_head -> version, RRD_VERSION );
+ free(rrd -> stat_head);
+ return -1;
+ }
+ if (atoi(rrd -> stat_head -> version) < 2)
+ {
+ rrd_set_error("Can only restore version >= 2 (Not %s). Dump your rrd using a current rrdtool dump.", rrd -> stat_head -> version );
free(rrd -> stat_head);
return -1;
}