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Fix a 2038 bug.

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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
This commit is contained in:
Brooks Davis 2014-05-01 22:28:14 +00:00
parent 81694cde44
commit ee9bc59982
1 changed files with 2 additions and 1 deletions
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3
sys/kern/subr_clock.c
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@ -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, struct timespec *ts)
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);