Simplify some expressions

[tcpdump] / print-hncp.c

diff --git a/print-hncp.c b/print-hncp.c
index 676ff278c2dfb4f8e963758ba121d58ceefab139..f6168fa6dde241f511ca5c089934230dc676318d 100644 (file)
--- a/print-hncp.c
+++ b/print-hncp.c
@@ -221,7 +221,7 @@ print_prefix(netdissect_options *ndo, const u_char *prefix, u_int max_length)
         plenbytes = (plen + 7) / 8;
         if (max_length < (u_int)plenbytes + IPV4_MAPPED_HEADING_LEN)
             return -3;
-        memcpy(&addr, &prefix[1 + IPV4_MAPPED_HEADING_LEN], plenbytes);
+        memcpy(&addr, prefix + IPV4_MAPPED_HEADING_LEN + 1, plenbytes);
         if (plen % 8) {
                ((u_char *)&addr)[plenbytes - 1] &=
                        ((0xff00 >> (plen % 8)) & 0xff);