From ac16c3da76096d9c21f0888279847d4bef81849c Mon Sep 17 00:00:00 2001
From: Ted Lemon <source@isc.org>
Date: Fri, 9 May 1997 08:07:33 +0000
Subject: [PATCH] Work around Ultrix gotcha

---
 common/packet.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/common/packet.c b/common/packet.c
index c69cf457..e02a6162 100644
--- a/common/packet.c
+++ b/common/packet.c
@@ -42,7 +42,7 @@
 
 #ifndef lint
 static char copyright[] =
-"$Id: packet.c,v 1.16 1997/03/29 03:18:28 mellon Exp $ Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.\n";
+"$Id: packet.c,v 1.17 1997/05/09 08:07:33 mellon Exp $ Copyright (c) 1996 The Internet Software Consortium.  All rights reserved.\n";
 #endif /* not lint */
 
 #include "dhcpd.h"
@@ -71,7 +71,7 @@ u_int32_t checksum (buf, nbytes, sum)
 #ifdef DEBUG_CHECKSUM_VERBOSE
 		debug ("sum = %x", sum);
 #endif
-		sum += (u_int16_t) ntohs(*((u_int16_t *)buf)++);
+		sum += (u_int16_t) ntohs(*((u_int16_t *)(buf + i)));
 	}	
 
 	/* If there's a single byte left over, checksum it, too.   Network
@@ -80,7 +80,7 @@ u_int32_t checksum (buf, nbytes, sum)
 #ifdef DEBUG_CHECKSUM_VERBOSE
 		debug ("sum = %x", sum);
 #endif
-		sum += (*buf) << 8;
+		sum += buf [i] << 8;
 	}
 	
 	return sum;