[src/trunk]: src/usr.sbin/traceroute Fix build failure, the structure is alre...

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

details:   https://anonhg.NetBSD.org/src/rev/170df92e311c
branches:  trunk
changeset: 358850:170df92e311c
user:      maxv <maxv%NetBSD.org@localhost>
date:      Fri Jan 19 14:30:09 2018 +0000

description:
Fix build failure, the structure is already defined now.

diffstat:

 usr.sbin/traceroute/traceroute.c |  37 ++++++++-----------------------------
 1 files changed, 8 insertions(+), 29 deletions(-)

diffs (83 lines):

diff -r 77ff29e2998a -r 170df92e311c usr.sbin/traceroute/traceroute.c
--- a/usr.sbin/traceroute/traceroute.c  Fri Jan 19 14:15:35 2018 +0000
+++ b/usr.sbin/traceroute/traceroute.c  Fri Jan 19 14:30:09 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: traceroute.c,v 1.83 2016/02/17 19:57:01 christos Exp $ */
+/*     $NetBSD: traceroute.c,v 1.84 2018/01/19 14:30:09 maxv Exp $     */
 
 /*
  * Copyright (c) 1988, 1989, 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000
@@ -30,7 +30,7 @@
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1991, 1994, 1995, 1996, 1997,\
  1998, 1999, 2000\
  The Regents of the University of California.  All rights reserved.");
-__RCSID("$NetBSD: traceroute.c,v 1.83 2016/02/17 19:57:01 christos Exp $");
+__RCSID("$NetBSD: traceroute.c,v 1.84 2018/01/19 14:30:09 maxv Exp $");
 #endif
 #endif
 
@@ -292,34 +292,13 @@
  *
  * http://www.ietf.org/proceedings/01aug/I-D/draft-ietf-mpls-icmp-02.txt
  */
+#ifdef ICMP_EXT_OFFSET
+#undef ICMP_EXT_OFFSET
+#endif
 #define ICMP_EXT_OFFSET    8 /* ICMP type, code, checksum, unused */ + \
                          128 /* original datagram */
-#define ICMP_EXT_VERSION 2
-/*
- * ICMP extensions, common header
- */
-struct icmp_ext_cmn_hdr {
-#if BYTE_ORDER == BIG_ENDIAN
-       unsigned char   version:4;
-       unsigned char   reserved1:4;
-#else
-       unsigned char   reserved1:4;
-       unsigned char   version:4;
-#endif
-       unsigned char   reserved2;
-       unsigned short  checksum;
-};
-
-/*
- * ICMP extensions, object header
- */
-struct icmp_ext_obj_hdr {
-    u_short length;
-    u_char  class_num;
 #define MPLS_STACK_ENTRY_CLASS 1
-    u_char  c_type;
 #define MPLS_STACK_ENTRY_C_TYPE 1
-};
 
 struct mpls_header {
 #if BYTE_ORDER == BIG_ENDIAN
@@ -1124,7 +1103,7 @@
 static void
 decode_extensions(unsigned char *buf, int ip_len)
 {
-        struct icmp_ext_cmn_hdr *cmn_hdr;
+        struct icmp_ext_hdr *cmn_hdr;
         struct icmp_ext_obj_hdr *obj_hdr;
         union {
                 struct mpls_header mpls;
@@ -1136,7 +1115,7 @@
         ip = (struct ip *)buf;
 
         if (ip_len < (int)((ip->ip_hl << 2) + ICMP_EXT_OFFSET +
-           sizeof(struct icmp_ext_cmn_hdr))) {
+           sizeof(struct icmp_ext_hdr))) {
                /*
                 * No support for ICMP extensions on this host
                 */
@@ -1147,7 +1126,7 @@
          * Move forward to the start of the ICMP extensions, if present
          */
         buf += (ip->ip_hl << 2) + ICMP_EXT_OFFSET;
-        cmn_hdr = (struct icmp_ext_cmn_hdr *)buf;
+        cmn_hdr = (struct icmp_ext_hdr *)buf;
 
         if (cmn_hdr->version != ICMP_EXT_VERSION) {
                /*