Use more the EXTRACT_U_1() macro (40/n)

[tcpdump] / print-msdp.c

diff --git a/print-msdp.c b/print-msdp.c
index 50bafb0ae090bf60a5d95587abe24bf51437eab5..59a0a092ff8ddf95ada47ad3525ce03e30d0548b 100644 (file)
--- a/print-msdp.c
+++ b/print-msdp.c
@@ -35,17 +35,17 @@ msdp_print(netdissect_options *ndo, const u_char *sp, u_int length)
 {
        unsigned int type, len;
 
-       ND_TCHECK2(*sp, 3);
+       ND_TCHECK_3(sp);
        /* See if we think we're at the beginning of a compound packet */
        type = *sp;
-       len = EXTRACT_16BITS(sp + 1);
+       len = EXTRACT_BE_U_2(sp + 1);
        if (len > 1500 || len < 3 || type == 0 || type > MSDP_TYPE_MAX)
                goto trunc;     /* not really truncated, but still not decodable */
        ND_PRINT((ndo, " msdp:"));
        while (length > 0) {
-               ND_TCHECK2(*sp, 3);
+               ND_TCHECK_3(sp);
                type = *sp;
-               len = EXTRACT_16BITS(sp + 1);
+               len = EXTRACT_BE_U_2(sp + 1);
                if (len > 1400 || ndo->ndo_vflag)
                        ND_PRINT((ndo, " [len %u]", len));
                if (len < 3)
@@ -60,7 +60,7 @@ msdp_print(netdissect_options *ndo, const u_char *sp, u_int length)
                        else
                                ND_PRINT((ndo, " SA-Response"));
                        ND_TCHECK(*sp);
-                       ND_PRINT((ndo, " %u entries", *sp));
+                       ND_PRINT((ndo, " %u entries", EXTRACT_U_1(sp)));
                        if ((u_int)((*sp * 12) + 8) < len) {
                                ND_PRINT((ndo, " [w/data]"));
                                if (ndo->ndo_vflag > 1) {
@@ -72,7 +72,7 @@ msdp_print(netdissect_options *ndo, const u_char *sp, u_int length)
                        break;
                case 2:
                        ND_PRINT((ndo, " SA-Request"));
-                       ND_TCHECK2(*sp, 5);
+                       ND_TCHECK_5(sp);
                        ND_PRINT((ndo, " for %s", ipaddr_string(ndo, sp + 1)));
                        break;
                case 4: