diff -up iputils-s20100418/ping.c.rr iputils-s20100418/ping.c
--- iputils-s20100418/ping.c.rr	2011-11-24 14:33:37.096831782 +0100
+++ iputils-s20100418/ping.c	2011-11-24 14:35:53.087308660 +0100
@@ -1085,7 +1085,7 @@ void pr_options(unsigned char * cp, int 
 			if (i <= 0)
 				break;
 			if (i == old_rrlen
-			    && !strncmp((char *)cp, old_rr, i)
+			    && !memcmp(cp, (unsigned char *)old_rr, i)
 			    && !(options & F_FLOOD)) {
 				printf("\t(same route)");
 				i = ((i + 3) / 4) * 4;