[src/trunk]: src/sbin/ifconfig PR/50909: David Binderman: Optimize memset

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

details:   https://anonhg.NetBSD.org/src/rev/3f65a2c74264
branches:  trunk
changeset: 343963:3f65a2c74264
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Mar 07 12:48:53 2016 +0000

description:
PR/50909: David Binderman: Optimize memset

diffstat:

 sbin/ifconfig/env.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (28 lines):

diff -r 00ea3986a652 -r 3f65a2c74264 sbin/ifconfig/env.c
--- a/sbin/ifconfig/env.c       Mon Mar 07 10:52:17 2016 +0000
+++ b/sbin/ifconfig/env.c       Mon Mar 07 12:48:53 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: env.c,v 1.9 2013/02/07 13:20:51 apb Exp $      */
+/*     $NetBSD: env.c,v 1.10 2016/03/07 12:48:53 christos Exp $        */
 
 /*-
  * Copyright (c) 2008 David Young.  All rights reserved.
@@ -27,7 +27,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: env.c,v 1.9 2013/02/07 13:20:51 apb Exp $");
+__RCSID("$NetBSD: env.c,v 1.10 2016/03/07 12:48:53 christos Exp $");
 #endif /* not lint */
 
 #include <errno.h>
@@ -162,8 +162,8 @@
                errno = ENAMETOOLONG; 
                return -1;
        }
-       memset(buf, 0, buflen);
        memcpy(buf, prop_data_data_nocopy(data), datalen);
+       memset(buf + datalen, 0, buflen - datalen);
        return datalen;
 }