--- cci/usr/src/etc/dump/dumptraverse.c	2019/07/28 12:24:19	1.1.1.1
+++ cci/usr/src/etc/dump/dumptraverse.c	2019/07/28 12:24:32	1.1.1.2
@@ -1,4 +1,12 @@
-static	char *sccsid = "@(#)dumptraverse.c	1.15 (Berkeley) 9/25/83";
+/*
+ * Copyright (c) 1980 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)dumptraverse.c	5.2 (Berkeley) 8/5/85";
+#endif not lint
 
 #include "dump.h"
 
@@ -214,7 +222,7 @@ blksout(blkp, frags)
 bitmap(map, typ)
 	char *map;
 {
-	register i, n;
+	register i;
 	char *cp;
 
 	spcl.c_type = typ;
@@ -233,8 +241,11 @@ spclrec()
 	spcl.c_checksum = 0;
 	ip = (int *)&spcl;
 	s = 0;
-	for(i = 0; i < sizeof(union u_spcl)/sizeof(int); i++)
-		s += *ip++;
+	i = sizeof(union u_spcl) / (4*sizeof(int));
+	while (--i >= 0) {
+		s += *ip++; s += *ip++;
+		s += *ip++; s += *ip++;
+	}
 	spcl.c_checksum = CHECKSUM - s;
 	taprec((char *)&spcl);
 }