}
if (0 <= nth)
at_time = 0;
- else
- at_time = approxidate(str + at + 2);
+ else {
+ char *tmp = xstrndup(str + at + 2, reflog_len);
+ at_time = approxidate(tmp);
+ free(tmp);
+ }
if (read_ref_at(real_ref, at_time, nth, sha1, NULL,
&co_time, &co_tz, &co_cnt)) {
if (at_time)