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-rw-r--r--timezone/zic.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/timezone/zic.c b/timezone/zic.c
index 64642b3..26d0041 100644
--- a/timezone/zic.c
+++ b/timezone/zic.c
@@ -2152,12 +2152,13 @@ register const int wantedy;
}
if (dayoff < 0 && !TYPE_SIGNED(time_t))
return min_time;
+ if (dayoff < min_time / SECSPERDAY)
+ return min_time;
+ if (dayoff > max_time / SECSPERDAY)
+ return max_time;
t = (time_t) dayoff * SECSPERDAY;
- /*
- ** Cheap overflow check.
- */
- if (t / SECSPERDAY != dayoff)
- return (dayoff > 0) ? max_time : min_time;
+ if (t > 0 && max_time - t < rp->r_tod)
+ return max_time;
return tadd(t, rp->r_tod);
}