[src/trunk]: src/sys/dev Reformulate an overflow test so it can be used in to...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/02b68a9a7dcb
branches:  trunk
changeset: 331936:02b68a9a7dcb
user:      martin <martin%NetBSD.org@localhost>
date:      Mon Sep 01 07:49:43 2014 +0000

description:
Reformulate an overflow test so it can be used in tool builds (i.e. does
not depend on netbsd specific macros).

diffstat:

 sys/dev/clock_subr.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 9f826e447833 -r 02b68a9a7dcb sys/dev/clock_subr.c
--- a/sys/dev/clock_subr.c      Mon Sep 01 07:48:16 2014 +0000
+++ b/sys/dev/clock_subr.c      Mon Sep 01 07:49:43 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: clock_subr.c,v 1.17 2014/08/31 08:54:40 martin Exp $   */
+/*     $NetBSD: clock_subr.c,v 1.18 2014/09/01 07:49:43 martin Exp $   */
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -46,7 +46,7 @@
 
 #ifdef _KERNEL
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: clock_subr.c,v 1.17 2014/08/31 08:54:40 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: clock_subr.c,v 1.18 2014/09/01 07:49:43 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -121,7 +121,7 @@
            * 60 + dt->dt_min)
            * 60 + dt->dt_sec;
 
-       if ((time_t)secs < 0 || secs > __type_max(time_t))
+       if ((time_t)secs < 0 || (uint64_t)(time_t)secs != secs)
                return -1;
        return secs;
 }