X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/f509616ae8ac540747382dd4c3434926a0c07793..0d52da1a967932f479912f8049b35c0112a7c708:/print-igmp.c

diff --git a/print-igmp.c b/print-igmp.c
index d5259093..d5356dd2 100644
--- a/print-igmp.c
+++ b/print-igmp.c
@@ -110,9 +110,9 @@ static const struct tok igmpv3report2str[] = {
 
 static void
 print_mtrace(netdissect_options *ndo,
-             register const u_char *bp, register u_int len)
+             const u_char *bp, u_int len)
 {
-    register const struct tr_query *tr = (const struct tr_query *)(bp + 8);
+    const struct tr_query *tr = (const struct tr_query *)(bp + 8);
 
     ND_TCHECK(*tr);
     if (len < 8 + sizeof (struct tr_query)) {
@@ -124,7 +124,7 @@ print_mtrace(netdissect_options *ndo,
         ipaddr_string(ndo, tr->tr_src), ipaddr_string(ndo, tr->tr_dst),
         ipaddr_string(ndo, tr->tr_raddr)));
     if (IN_CLASSD(EXTRACT_BE_U_4(tr->tr_raddr)))
-        ND_PRINT((ndo, " with-ttl %u", EXTRACT_U_1(&tr->tr_rttl)));
+        ND_PRINT((ndo, " with-ttl %u", EXTRACT_U_1(tr->tr_rttl)));
     return;
 trunc:
     ND_PRINT((ndo, "%s", tstr));
@@ -132,9 +132,9 @@ trunc:
 
 static void
 print_mresp(netdissect_options *ndo,
-            register const u_char *bp, register u_int len)
+            const u_char *bp, u_int len)
 {
-    register const struct tr_query *tr = (const struct tr_query *)(bp + 8);
+    const struct tr_query *tr = (const struct tr_query *)(bp + 8);
 
     ND_TCHECK(*tr);
     if (len < 8 + sizeof (struct tr_query)) {
@@ -146,7 +146,7 @@ print_mresp(netdissect_options *ndo,
         ipaddr_string(ndo, tr->tr_src), ipaddr_string(ndo, tr->tr_dst),
         ipaddr_string(ndo, tr->tr_raddr)));
     if (IN_CLASSD(EXTRACT_BE_U_4(tr->tr_raddr)))
-        ND_PRINT((ndo, " with-ttl %u", EXTRACT_U_1(&tr->tr_rttl)));
+        ND_PRINT((ndo, " with-ttl %u", EXTRACT_U_1(tr->tr_rttl)));
     return;
 trunc:
     ND_PRINT((ndo, "%s", tstr));
@@ -154,10 +154,10 @@ trunc:
 
 static void
 print_igmpv3_report(netdissect_options *ndo,
-                    register const u_char *bp, register u_int len)
+                    const u_char *bp, u_int len)
 {
     u_int group, nsrcs, ngroups;
-    register u_int i, j;
+    u_int i, j;
 
     /* Minimum len is 16, and should be a multiple of 4 */
     if (len < 16 || len & 0x03) {
@@ -175,8 +175,8 @@ print_igmpv3_report(netdissect_options *ndo,
 		ND_PRINT((ndo, " [invalid number of groups]"));
 		return;
 	    }
-	    ND_TCHECK2(bp[group+4], 4);
-            ND_PRINT((ndo, " [gaddr %s", ipaddr_string(ndo, &bp[group+4])));
+	    ND_TCHECK_4(bp + (group + 4));
+            ND_PRINT((ndo, " [gaddr %s", ipaddr_string(ndo, bp + group + 4)));
 	    ND_PRINT((ndo, " %s", tok2str(igmpv3report2str, " [v3-report-#%d]",
 								EXTRACT_U_1(bp + group))));
             nsrcs = EXTRACT_BE_U_2(bp + group + 2);
@@ -191,8 +191,8 @@ print_igmpv3_report(netdissect_options *ndo,
 		/* Print the sources */
                 ND_PRINT((ndo, " {"));
                 for (j=0; j<nsrcs; j++) {
-		    ND_TCHECK2(bp[group+8+(j<<2)], 4);
-		    ND_PRINT((ndo, " %s", ipaddr_string(ndo, &bp[group+8+(j<<2)])));
+		    ND_TCHECK_4(bp + (group + 8 + (j << 2)));
+		    ND_PRINT((ndo, " %s", ipaddr_string(ndo, bp + group + 8 + (j << 2))));
 		}
                 ND_PRINT((ndo, " }"));
             }
@@ -208,12 +208,12 @@ trunc:
 
 static void
 print_igmpv3_query(netdissect_options *ndo,
-                   register const u_char *bp, register u_int len)
+                   const u_char *bp, u_int len)
 {
     u_int mrc;
     u_int mrt;
     u_int nsrcs;
-    register u_int i;
+    u_int i;
 
     ND_PRINT((ndo, " v3"));
     /* Minimum len is 12, and should be a multiple of 4 */
@@ -240,7 +240,7 @@ print_igmpv3_query(netdissect_options *ndo,
     ND_TCHECK_4(bp + 4);
     if (EXTRACT_BE_U_4(bp + 4) == 0)
 	return;
-    ND_PRINT((ndo, " [gaddr %s", ipaddr_string(ndo, &bp[4])));
+    ND_PRINT((ndo, " [gaddr %s", ipaddr_string(ndo, bp + 4)));
     ND_TCHECK_2(bp + 10);
     nsrcs = EXTRACT_BE_U_2(bp + 10);
     if (nsrcs > 0) {
@@ -249,8 +249,8 @@ print_igmpv3_query(netdissect_options *ndo,
 	else if (ndo->ndo_vflag > 1) {
 	    ND_PRINT((ndo, " {"));
 	    for (i=0; i<nsrcs; i++) {
-		ND_TCHECK2(bp[12+(i<<2)], 4);
-		ND_PRINT((ndo, " %s", ipaddr_string(ndo, &bp[12+(i<<2)])));
+		ND_TCHECK_4(bp + (12 + (i << 2)));
+		ND_PRINT((ndo, " %s", ipaddr_string(ndo, bp + 12 + (i << 2))));
 	    }
 	    ND_PRINT((ndo, " }"));
 	} else
@@ -264,7 +264,7 @@ trunc:
 
 void
 igmp_print(netdissect_options *ndo,
-           register const u_char *bp, register u_int len)
+           const u_char *bp, u_int len)
 {
     struct cksum_vec vec[1];
 
@@ -289,28 +289,28 @@ igmp_print(netdissect_options *ndo,
 		ND_PRINT((ndo, " v1"));
             ND_TCHECK_4(bp + 4);
 	    if (EXTRACT_BE_U_4(bp + 4))
-                ND_PRINT((ndo, " [gaddr %s]", ipaddr_string(ndo, &bp[4])));
+                ND_PRINT((ndo, " [gaddr %s]", ipaddr_string(ndo, bp + 4)));
             if (len != 8)
                 ND_PRINT((ndo, " [len %d]", len));
 	}
         break;
     case 0x12:
-        ND_TCHECK2(bp[4], 4);
-        ND_PRINT((ndo, "igmp v1 report %s", ipaddr_string(ndo, &bp[4])));
+        ND_TCHECK_4(bp + 4);
+        ND_PRINT((ndo, "igmp v1 report %s", ipaddr_string(ndo, bp + 4)));
         if (len != 8)
             ND_PRINT((ndo, " [len %d]", len));
         break;
     case 0x16:
-        ND_TCHECK2(bp[4], 4);
-        ND_PRINT((ndo, "igmp v2 report %s", ipaddr_string(ndo, &bp[4])));
+        ND_TCHECK_4(bp + 4);
+        ND_PRINT((ndo, "igmp v2 report %s", ipaddr_string(ndo, bp + 4)));
         break;
     case 0x22:
         ND_PRINT((ndo, "igmp v3 report"));
 	print_igmpv3_report(ndo, bp, len);
         break;
     case 0x17:
-        ND_TCHECK2(bp[4], 4);
-        ND_PRINT((ndo, "igmp leave %s", ipaddr_string(ndo, &bp[4])));
+        ND_TCHECK_4(bp + 4);
+        ND_PRINT((ndo, "igmp leave %s", ipaddr_string(ndo, bp + 4)));
         break;
     case 0x13:
         ND_PRINT((ndo, "igmp dvmrp"));
@@ -334,7 +334,7 @@ igmp_print(netdissect_options *ndo,
         break;
     }
 
-    if (ndo->ndo_vflag && len >= 4 && ND_TTEST2(bp[0], len)) {
+    if (ndo->ndo_vflag && len >= 4 && ND_TTEST_LEN(bp, len)) {
         /* Check the IGMP checksum */
         vec[0].ptr = bp;
         vec[0].len = len;