remove redundant ND_TCHECK, let GET_ routines handle checks

[tcpdump] / print-igmp.c

diff --git a/print-igmp.c b/print-igmp.c
index 3c7c030494240dafdf1a1431da601719dac86564..8c5bc15d59ebde0270f618b64cbc3b5502af0909 100644 (file)
--- a/print-igmp.c
+++ b/print-igmp.c
@@ -120,8 +120,8 @@ print_mtrace(netdissect_options *ndo,
     }
     ND_PRINT("mtrace %u: %s to %s reply-to %s",
         GET_BE_U_3(tr->tr_qid),
-        ipaddr_string(ndo, tr->tr_src), ipaddr_string(ndo, tr->tr_dst),
-        ipaddr_string(ndo, tr->tr_raddr));
+        GET_IPADDR_STRING(tr->tr_src), GET_IPADDR_STRING(tr->tr_dst),
+        GET_IPADDR_STRING(tr->tr_raddr));
     if (IN_CLASSD(GET_BE_U_4(tr->tr_raddr)))
         ND_PRINT(" with-ttl %u", GET_U_1(tr->tr_rttl));
     return;
@@ -142,8 +142,8 @@ print_mresp(netdissect_options *ndo,
     }
     ND_PRINT("mresp %u: %s to %s reply-to %s",
         GET_BE_U_3(tr->tr_qid),
-        ipaddr_string(ndo, tr->tr_src), ipaddr_string(ndo, tr->tr_dst),
-        ipaddr_string(ndo, tr->tr_raddr));
+        GET_IPADDR_STRING(tr->tr_src), GET_IPADDR_STRING(tr->tr_dst),
+        GET_IPADDR_STRING(tr->tr_raddr));
     if (IN_CLASSD(GET_BE_U_4(tr->tr_raddr)))
         ND_PRINT(" with-ttl %u", GET_U_1(tr->tr_rttl));
     return;
@@ -163,7 +163,6 @@ print_igmpv3_report(netdissect_options *ndo,
        ND_PRINT(" [invalid len %u]", len);
        return;
     }
-    ND_TCHECK_2(bp + 6);
     ngroups = GET_BE_U_2(bp + 6);
     ND_PRINT(", %u group record(s)", ngroups);
     if (ndo->ndo_vflag > 0) {
@@ -175,7 +174,7 @@ print_igmpv3_report(netdissect_options *ndo,
                return;
            }
            ND_TCHECK_4(bp + (group + 4));
-            ND_PRINT(" [gaddr %s", ipaddr_string(ndo, bp + group + 4));
+            ND_PRINT(" [gaddr %s", GET_IPADDR_STRING(bp + group + 4));
            ND_PRINT(" %s", tok2str(igmpv3report2str, " [v3-report-#%u]",
                                                                GET_U_1(bp + group)));
             nsrcs = GET_BE_U_2(bp + group + 2);
@@ -191,7 +190,7 @@ print_igmpv3_report(netdissect_options *ndo,
                 ND_PRINT(" {");
                 for (j=0; j<nsrcs; j++) {
                    ND_TCHECK_4(bp + (group + 8 + (j << 2)));
-                   ND_PRINT(" %s", ipaddr_string(ndo, bp + group + 8 + (j << 2)));
+                   ND_PRINT(" %s", GET_IPADDR_STRING(bp + group + 8 + (j << 2)));
                }
                 ND_PRINT(" }");
             }
@@ -220,7 +219,6 @@ print_igmpv3_query(netdissect_options *ndo,
        ND_PRINT(" [invalid len %u]", len);
        return;
     }
-    ND_TCHECK_1(bp + 1);
     mrc = GET_U_1(bp + 1);
     if (mrc < 128) {
        mrt = mrc;
@@ -236,11 +234,9 @@ print_igmpv3_query(netdissect_options *ndo,
         }
        ND_PRINT("]");
     }
-    ND_TCHECK_4(bp + 4);
     if (GET_BE_U_4(bp + 4) == 0)
        return;
-    ND_PRINT(" [gaddr %s", ipaddr_string(ndo, bp + 4));
-    ND_TCHECK_2(bp + 10);
+    ND_PRINT(" [gaddr %s", GET_IPADDR_STRING(bp + 4));
     nsrcs = GET_BE_U_2(bp + 10);
     if (nsrcs > 0) {
        if (len < 12 + (nsrcs << 2))
@@ -249,7 +245,7 @@ print_igmpv3_query(netdissect_options *ndo,
            ND_PRINT(" {");
            for (i=0; i<nsrcs; i++) {
                ND_TCHECK_4(bp + (12 + (i << 2)));
-               ND_PRINT(" %s", ipaddr_string(ndo, bp + 12 + (i << 2)));
+               ND_PRINT(" %s", GET_IPADDR_STRING(bp + 12 + (i << 2)));
            }
            ND_PRINT(" }");
        } else
@@ -273,44 +269,38 @@ igmp_print(netdissect_options *ndo,
         return;
     }
 
-    ND_TCHECK_1(bp);
     switch (GET_U_1(bp)) {
     case 0x11:
         ND_PRINT("igmp query");
        if (len >= 12)
            print_igmpv3_query(ndo, bp, len);
        else {
-            ND_TCHECK_1(bp + 1);
            if (GET_U_1(bp + 1)) {
                ND_PRINT(" v2");
                if (GET_U_1(bp + 1) != 100)
                    ND_PRINT(" [max resp time %u]", GET_U_1(bp + 1));
            } else
                ND_PRINT(" v1");
-            ND_TCHECK_4(bp + 4);
            if (GET_BE_U_4(bp + 4))
-                ND_PRINT(" [gaddr %s]", ipaddr_string(ndo, bp + 4));
+                ND_PRINT(" [gaddr %s]", GET_IPADDR_STRING(bp + 4));
             if (len != 8)
                 ND_PRINT(" [len %u]", len);
        }
         break;
     case 0x12:
-        ND_TCHECK_4(bp + 4);
-        ND_PRINT("igmp v1 report %s", ipaddr_string(ndo, bp + 4));
+        ND_PRINT("igmp v1 report %s", GET_IPADDR_STRING(bp + 4));
         if (len != 8)
             ND_PRINT(" [len %u]", len);
         break;
     case 0x16:
-        ND_TCHECK_4(bp + 4);
-        ND_PRINT("igmp v2 report %s", ipaddr_string(ndo, bp + 4));
+        ND_PRINT("igmp v2 report %s", GET_IPADDR_STRING(bp + 4));
         break;
     case 0x22:
         ND_PRINT("igmp v3 report");
        print_igmpv3_report(ndo, bp, len);
         break;
     case 0x17:
-        ND_TCHECK_4(bp + 4);
-        ND_PRINT("igmp leave %s", ipaddr_string(ndo, bp + 4));
+        ND_PRINT("igmp leave %s", GET_IPADDR_STRING(bp + 4));
         break;
     case 0x13:
         ND_PRINT("igmp dvmrp");
@@ -341,7 +331,4 @@ igmp_print(netdissect_options *ndo,
         if (in_cksum(vec, 1))
             ND_PRINT(" bad igmp cksum %x!", GET_BE_U_2(bp + 2));
     }
-    return;
-trunc:
-    nd_print_trunc(ndo);
 }