Author: brooks
Date: Thu May 1 22:28:14 2014
New Revision: 265201
URL: http://svnweb.freebsd.org/changeset/base/265201
Log:
Fix a 2038 bug.
If time_t is 64-bit (i.e. isn't 32-bit) allow any value of year, not
just years less than 2038.
Don't bother fixing the underflow in the case of years before 1903.
MFC after: 1 week
Sponsored by: DARPA, AFRL
Modified:
head/sys/kern/subr_clock.c
Modified: head/sys/kern/subr_clock.c
==============================================================================
--- head/sys/kern/subr_clock.c Thu May 1 21:34:55 2014 (r265200)
+++ head/sys/kern/subr_clock.c Thu May 1 22:28:14 2014 (r265201)
@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/clock.h>
+#include <sys/limits.h>
#include <sys/sysctl.h>
#include <sys/timetc.h>
@@ -147,7 +148,7 @@ clock_ct_to_ts(struct clocktime *ct, str
if (ct->mon < 1 || ct->mon > 12 || ct->day < 1 ||
ct->day > days_in_month(year, ct->mon) ||
ct->hour > 23 || ct->min > 59 || ct->sec > 59 ||
- ct->year > 2037) { /* time_t overflow */
+ (sizeof(time_t) == 4 && year > 2037)) { /* time_t overflow */
if (ct_debug)
printf(" = EINVAL\n");
return (EINVAL);
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