Use more the ND_TTEST_1() macro

[tcpdump] / print-mobility.c

diff --git a/print-mobility.c b/print-mobility.c
index a30663808ddb5e18e29621129872658fa976f07b..6ad7c718924d4f3b35092b1ab4aea18ceb3217be 100644 (file)
--- a/print-mobility.c
+++ b/print-mobility.c
@@ -118,20 +118,20 @@ mobility_opt_print(netdissect_options *ndo,
        unsigned i, optlen;
 
        for (i = 0; i < len; i += optlen) {
-               ND_TCHECK(bp[i]);
-               if (bp[i] == IP6MOPT_PAD1)
+               ND_TCHECK_1(bp + i);
+               if (EXTRACT_U_1(bp + i) == IP6MOPT_PAD1)
                        optlen = 1;
                else {
                        if (i + 1 < len) {
-                               ND_TCHECK(bp[i + 1]);
-                               optlen = bp[i + 1] + 2;
+                               ND_TCHECK_1(bp + i + 1);
+                               optlen = EXTRACT_U_1(bp + i + 1) + 2;
                        }
                        else
                                goto trunc;
                }
                if (i + optlen > len)
                        goto trunc;
-               ND_TCHECK(bp[i + optlen]);
+               ND_TCHECK_1(bp + i + optlen);
 
                switch (EXTRACT_U_1(bp + i)) {
                case IP6MOPT_PAD1:
@@ -282,15 +282,15 @@ mobility_print(netdissect_options *ndo,
                ND_PRINT((ndo, " seq#=%u", EXTRACT_BE_U_2(&mh->ip6m_data16[0])));
                hlen = IP6M_MINLEN;
                ND_TCHECK_2(bp + hlen);
-               if (bp[hlen] & 0xf0) {
+               if (EXTRACT_U_1(bp + hlen) & 0xf0) {
                        ND_PRINT((ndo, " "));
-                       if (bp[hlen] & 0x80)
+                       if (EXTRACT_U_1(bp + hlen) & 0x80)
                                ND_PRINT((ndo, "A"));
-                       if (bp[hlen] & 0x40)
+                       if (EXTRACT_U_1(bp + hlen) & 0x40)
                                ND_PRINT((ndo, "H"));
-                       if (bp[hlen] & 0x20)
+                       if (EXTRACT_U_1(bp + hlen) & 0x20)
                                ND_PRINT((ndo, "L"));
-                       if (bp[hlen] & 0x10)
+                       if (EXTRACT_U_1(bp + hlen) & 0x10)
                                ND_PRINT((ndo, "K"));
                }
                /* Reserved (4bits) */
@@ -333,7 +333,7 @@ mobility_print(netdissect_options *ndo,
                break;
        }
        if (ndo->ndo_vflag)
-               if (mobility_opt_print(ndo, &bp[hlen], mhlen - hlen))
+               if (mobility_opt_print(ndo, bp + hlen, mhlen - hlen))
                        goto trunc;
 
        return(mhlen);