Use more the ND_TTEST_1() macro

[tcpdump] / print-geonet.c

diff --git a/print-geonet.c b/print-geonet.c
index e40c65112b3a8b86210ad52277b781fe9b374ad5..488969ef9703dd0fe97c7a32d37571c8043a3a02 100644 (file)
--- a/print-geonet.c
+++ b/print-geonet.c
@@ -64,8 +64,8 @@ print_btp_body(netdissect_options *ndo,
        const char *msg_type_str;
 
        /* Assuming ItsDpuHeader */
-       version = bp[0];
-       msg_type = bp[1];
+       version = EXTRACT_U_1(bp);
+       msg_type = EXTRACT_U_1(bp + 1);
        msg_type_str = tok2str(msg_type_values, "unknown (%u)", msg_type);
 
        ND_PRINT((ndo, "; ItsPduHeader v:%d t:%d-%s", version, msg_type, msg_type_str));
@@ -86,7 +86,7 @@ print_long_pos_vector(netdissect_options *ndo,
 {
        uint32_t lat, lon;
 
-       if (!ND_TTEST2(*bp, GEONET_ADDR_LEN))
+       if (!ND_TTEST_LEN(bp, GEONET_ADDR_LEN))
                return (-1);
        ND_PRINT((ndo, "GN_ADDR:%s ", linkaddr_string (ndo, bp, 0, GEONET_ADDR_LEN)));
 
@@ -128,12 +128,12 @@ geonet_print(netdissect_options *ndo, const u_char *bp, u_int length,
                goto invalid;
 
        ND_TCHECK_8(bp);
-       version = bp[0] >> 4;
-       next_hdr = bp[0] & 0x0f;
-       hdr_type = bp[1] >> 4;
-       hdr_subtype = bp[1] & 0x0f;
+       version = EXTRACT_U_1(bp) >> 4;
+       next_hdr = EXTRACT_U_1(bp) & 0x0f;
+       hdr_type = EXTRACT_U_1(bp + 1) >> 4;
+       hdr_subtype = EXTRACT_U_1(bp + 1) & 0x0f;
        payload_length = EXTRACT_BE_U_2(bp + 4);
-       hop_limit = bp[7];
+       hop_limit = EXTRACT_U_1(bp + 7);
 
        switch (next_hdr) {
                case 0: next_hdr_txt = "Any"; break;
@@ -232,7 +232,7 @@ geonet_print(netdissect_options *ndo, const u_char *bp, u_int length,
        if (hdr_size >= 0) {
                if (length < (u_int)hdr_size)
                        goto invalid;
-               ND_TCHECK2(*bp, hdr_size);
+               ND_TCHECK_LEN(bp, hdr_size);
                length -= hdr_size;
                bp += hdr_size;
                switch (next_hdr) {