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src: Small changes in ip_dooptions: replace bcopy by memcpy, the...



details:   https://anonhg.NetBSD.org/src/rev/fe3c2199d067
branches:  trunk
changeset: 318053:fe3c2199d067
user:      maxv <maxv%NetBSD.org@localhost>
date:      Wed Apr 11 07:52:25 2018 +0000
description:
Small changes in ip_dooptions: replace bcopy by memcpy, the areas can't
overlap.

diffstat:

 sys/netinet/ip_input.c |  18 +++++++++---------
 1 files changed, 9 insertions(+), 9 deletions(-)

diffs (60 lines):

diff -r fadf04b43b0f -r fe3c2199d067 sys/netinet/ip_input.c
--- a/sys/netinet/ip_input.c    Wed Apr 11 07:15:12 2018 +0000
+++ b/sys/netinet/ip_input.c    Wed Apr 11 07:52:25 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ip_input.c,v 1.376 2018/02/24 07:37:09 ozaki-r Exp $   */
+/*     $NetBSD: ip_input.c,v 1.377 2018/04/11 07:52:25 maxv Exp $      */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -91,7 +91,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.376 2018/02/24 07:37:09 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.377 2018/04/11 07:52:25 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -965,8 +965,8 @@
                                goto bad;
                        }
                        ip->ip_dst = ipaddr.sin_addr;
-                       bcopy((void *)&ia->ia_addr.sin_addr,
-                           (void *)(cp + off), sizeof(struct in_addr));
+                       memcpy(cp + off, &ia->ia_addr.sin_addr,
+                           sizeof(struct in_addr));
                        ia4_release(ia, &psref);
                        cp[IPOPT_OFFSET] += sizeof(struct in_addr);
                        /*
@@ -1001,7 +1001,7 @@
                        off--;                  /* 0 origin */
                        if ((off + sizeof(struct in_addr)) > optlen)
                                break;
-                       memcpy((void *)&ipaddr.sin_addr, (void *)(&ip->ip_dst),
+                       memcpy((void *)&ipaddr.sin_addr, (void *)&ip->ip_dst,
                            sizeof(ipaddr.sin_addr));
                        /*
                         * locate outgoing interface; if we're the destination,
@@ -1018,8 +1018,8 @@
                        } else {
                                ia = ifatoia(ifa);
                        }
-                       bcopy((void *)&ia->ia_addr.sin_addr,
-                           (void *)(cp + off), sizeof(struct in_addr));
+                       memcpy(cp + off, &ia->ia_addr.sin_addr,
+                           sizeof(struct in_addr));
                        ia4_release(ia, &psref);
                        cp[IPOPT_OFFSET] += sizeof(struct in_addr);
                        break;
@@ -1081,8 +1081,8 @@
                                        break;
                                }
                                ia = ifatoia(ifa);
-                               bcopy(&ia->ia_addr.sin_addr,
-                                   cp0, sizeof(struct in_addr));
+                               memcpy(cp0, &ia->ia_addr.sin_addr,
+                                   sizeof(struct in_addr));
                                pserialize_read_exit(_ss);
                                ipt->ipt_ptr += sizeof(struct in_addr);
                                break;



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