]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-carp.c
Use more the ND_TTEST_1() macro
[tcpdump] / print-carp.c
index ceed9b0dd850dcfec55ba7f107827e2ad513ae59..807e977f0ee53d7b1d30ebe8e1f5dcb46aee1765 100644 (file)
 #include "extract.h"
 
 void
-carp_print(netdissect_options *ndo, register const u_char *bp, register u_int len, int ttl)
+carp_print(netdissect_options *ndo, const u_char *bp, u_int len, int ttl)
 {
        int version, type;
        const char *type_s;
 
-       ND_TCHECK(bp[0]);
-       version = (bp[0] & 0xf0) >> 4;
-       type = bp[0] & 0x0f;
+       ND_TCHECK_1(bp);
+       version = (EXTRACT_U_1(bp) & 0xf0) >> 4;
+       type = EXTRACT_U_1(bp) & 0x0f;
        if (type == 1)
                type_s = "advertise";
        else
@@ -63,19 +63,19 @@ carp_print(netdissect_options *ndo, register const u_char *bp, register u_int le
                ND_PRINT((ndo, "[ttl=%d!] ", ttl));
        if (version != 2 || type != 1)
                return;
-       ND_TCHECK(bp[2]);
-       ND_TCHECK(bp[5]);
+       ND_TCHECK_1(bp + 2);
+       ND_TCHECK_1(bp + 5);
        ND_PRINT((ndo, "vhid=%d advbase=%d advskew=%d authlen=%d ",
-           bp[1], bp[5], bp[2], bp[3]));
+           EXTRACT_U_1(bp + 1), EXTRACT_U_1(bp + 5), EXTRACT_U_1(bp + 2), EXTRACT_U_1(bp + 3)));
        if (ndo->ndo_vflag) {
                struct cksum_vec vec[1];
                vec[0].ptr = (const uint8_t *)bp;
                vec[0].len = len;
-               if (ND_TTEST2(bp[0], len) && in_cksum(vec, 1))
+               if (ND_TTEST_LEN(bp, len) && in_cksum(vec, 1))
                        ND_PRINT((ndo, " (bad carp cksum %x!)",
-                               EXTRACT_BE_16BITS(bp + 6)));
+                               EXTRACT_BE_U_2(bp + 6)));
        }
-       ND_PRINT((ndo, "counter=%" PRIu64, EXTRACT_BE_64BITS(bp + 8)));
+       ND_PRINT((ndo, "counter=%" PRIu64, EXTRACT_BE_U_8(bp + 8)));
 
        return;
 trunc: