Date: Fri, 19 Dec 2014 09:34:15 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r275932 - stable/10/sys/kern Message-ID: <201412190934.sBJ9YFJ6037088@svn.freebsd.org>
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Author: kib Date: Fri Dec 19 09:34:14 2014 New Revision: 275932 URL: https://svnweb.freebsd.org/changeset/base/275932 Log: MFC r275727: For architectures where time_t is wide enough, in particular, 64bit platforms, avoid overflow after year 2038 in clock_ct_to_ts(). PR: 195868 Modified: stable/10/sys/kern/subr_clock.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/kern/subr_clock.c ============================================================================== --- stable/10/sys/kern/subr_clock.c Fri Dec 19 06:51:01 2014 (r275931) +++ stable/10/sys/kern/subr_clock.c Fri Dec 19 09:34:14 2014 (r275932) @@ -133,7 +133,6 @@ print_ct(struct clocktime *ct) int clock_ct_to_ts(struct clocktime *ct, struct timespec *ts) { - time_t secs; int i, year, days; year = ct->year; @@ -167,11 +166,10 @@ clock_ct_to_ts(struct clocktime *ct, str days += days_in_month(year, i); days += (ct->day - 1); - /* Add hours, minutes, seconds. */ - secs = ((days * 24 + ct->hour) * 60 + ct->min) * 60 + ct->sec; - - ts->tv_sec = secs; + ts->tv_sec = (((time_t)days * 24 + ct->hour) * 60 + ct->min) * 60 + + ct->sec; ts->tv_nsec = ct->nsec; + if (ct_debug) printf(" = %ld.%09ld\n", (long)ts->tv_sec, (long)ts->tv_nsec); return (0);
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