[src/trunk]: src/sbin/ping Fix data comparison to not overrun array bounds.

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

details:   https://anonhg.NetBSD.org/src/rev/07c002b7a848
branches:  trunk
changeset: 480787:07c002b7a848
user:      mycroft <mycroft%NetBSD.org@localhost>
date:      Thu Jan 20 01:04:41 2000 +0000

description:
Fix data comparison to not overrun array bounds.

diffstat:

 sbin/ping/ping.c |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (37 lines):

diff -r d9a97b1e5546 -r 07c002b7a848 sbin/ping/ping.c
--- a/sbin/ping/ping.c  Thu Jan 20 00:08:08 2000 +0000
+++ b/sbin/ping/ping.c  Thu Jan 20 01:04:41 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ping.c,v 1.53 1999/07/04 15:24:35 itojun Exp $ */
+/*     $NetBSD: ping.c,v 1.54 2000/01/20 01:04:41 mycroft Exp $        */
 
 /*
  * Copyright (c) 1989, 1993
@@ -62,7 +62,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: ping.c,v 1.53 1999/07/04 15:24:35 itojun Exp $");
+__RCSID("$NetBSD: ping.c,v 1.54 2000/01/20 01:04:41 mycroft Exp $");
 #endif
 
 #include <stdio.h>
@@ -1012,14 +1012,14 @@
                            &opack_icmp.icmp_data[PHDR_LEN],
                            datalen-PHDR_LEN)) {
                        for (i=PHDR_LEN; i<datalen; i++) {
-                               if (icp->icmp_data[PHDR_LEN+i]
-                                   != opack_icmp.icmp_data[PHDR_LEN+i])
+                               if (icp->icmp_data[i] !=
+                                   opack_icmp.icmp_data[i])
                                        break;
                        }
                        PR_PACK_SUB();
                        (void)printf("\nwrong data byte #%d should have been"
-                                    " %#x but was %#x",
-                                    i, (u_char)opack_icmp.icmp_data[i],
+                                    " %#x but was %#x", i,
+                                    (u_char)opack_icmp.icmp_data[i],
                                     (u_char)icp->icmp_data[i]);
                        for (i=PHDR_LEN; i<datalen; i++) {
                                if ((i%16) == PHDR_LEN)