svn commit: r284462 - head/sys/kern
Pedro F. Giffuni
pfg at FreeBSD.org
Tue Jun 16 20:19:01 UTC 2015
Author: pfg
Date: Tue Jun 16 20:19:00 2015
New Revision: 284462
URL: https://svnweb.freebsd.org/changeset/base/284462
Log:
Use nitems() macro instead of __arraycount()
Modified:
head/sys/kern/stack_protector.c
Modified: head/sys/kern/stack_protector.c
==============================================================================
--- head/sys/kern/stack_protector.c Tue Jun 16 20:01:01 2015 (r284461)
+++ head/sys/kern/stack_protector.c Tue Jun 16 20:19:00 2015 (r284462)
@@ -17,15 +17,14 @@ __stack_chk_fail(void)
panic("stack overflow detected; backtrace may be corrupted");
}
-#define __arraycount(__x) (sizeof(__x) / sizeof(__x[0]))
static void
__stack_chk_init(void *dummy __unused)
{
size_t i;
- long guard[__arraycount(__stack_chk_guard)];
+ long guard[nitems(__stack_chk_guard)];
arc4rand(guard, sizeof(guard), 0);
- for (i = 0; i < __arraycount(guard); i++)
+ for (i = 0; i < nitems(guard); i++)
__stack_chk_guard[i] = guard[i];
}
SYSINIT(stack_chk, SI_SUB_RANDOM, SI_ORDER_ANY, __stack_chk_init, NULL);
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