[src/trunk]: src/external/bsd/ntp/dist/ntpd fix a potential off-by-two array ...

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

details:   https://anonhg.NetBSD.org/src/rev/77f588edd0f2
branches:  trunk
changeset: 766414:77f588edd0f2
user:      mrg <mrg%NetBSD.org@localhost>
date:      Wed Jun 22 03:59:49 2011 +0000

description:
fix a potential off-by-two array overflow found by GCC 4.5.3.

diffstat:

 external/bsd/ntp/dist/ntpd/refclock_parse.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r ffae32d06e78 -r 77f588edd0f2 external/bsd/ntp/dist/ntpd/refclock_parse.c
--- a/external/bsd/ntp/dist/ntpd/refclock_parse.c       Wed Jun 22 03:58:51 2011 +0000
+++ b/external/bsd/ntp/dist/ntpd/refclock_parse.c       Wed Jun 22 03:59:49 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: refclock_parse.c,v 1.3 2010/12/04 23:08:35 christos Exp $      */
+/*     $NetBSD: refclock_parse.c,v 1.4 2011/06/22 03:59:49 mrg Exp $   */
 
 /*
  * /src/NTP/REPOSITORY/ntp4-dev/ntpd/refclock_parse.c,v 4.81 2009/05/01 10:15:29 kardel RELEASE_20090105_A
@@ -2455,7 +2455,7 @@
                {
                        if (buffer[0])
                                strncat(buffer, "; ", size);
-                       strncat(buffer, flagstrings[i].name, size);
+                       strncat(buffer, flagstrings[i].name, size - 2);
                }
                i++;
        }