X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/49b23c5a9b0198bb382dcf43c458d46fcf2fa809..9f957a5883cb4c5c99cefa71b42fc9d2d27d73e1:/print-dtp.c

diff --git a/print-dtp.c b/print-dtp.c
index 1d8c66a0..bf1242e0 100644
--- a/print-dtp.c
+++ b/print-dtp.c
@@ -54,10 +54,10 @@ dtp_print (netdissect_options *ndo, const u_char *pptr, u_int length)
 
     tptr = pptr;
 
-    ND_TCHECK2(*tptr, DTP_HEADER_LEN);
+    ND_TCHECK_LEN(tptr, DTP_HEADER_LEN);
 
     ND_PRINT((ndo, "DTPv%u, length %u",
-           (*tptr),
+           EXTRACT_U_1(tptr),
            length));
 
     /*
@@ -71,9 +71,9 @@ dtp_print (netdissect_options *ndo, const u_char *pptr, u_int length)
 
     while (tptr < (pptr+length)) {
 
-        ND_TCHECK2(*tptr, 4);
-	type = EXTRACT_16BITS(tptr);
-        len  = EXTRACT_16BITS(tptr+2);
+        ND_TCHECK_4(tptr);
+	type = EXTRACT_BE_U_2(tptr);
+        len  = EXTRACT_BE_U_2(tptr + 2);
        /* XXX: should not be but sometimes it is, see the test captures */
         if (type == 0)
             return;
@@ -84,7 +84,7 @@ dtp_print (netdissect_options *ndo, const u_char *pptr, u_int length)
         /* infinite loop check */
         if (len < 4)
             goto invalid;
-        ND_TCHECK2(*tptr, len);
+        ND_TCHECK_LEN(tptr, len);
 
         switch (type) {
 	case DTP_DOMAIN_TLV:
@@ -96,7 +96,7 @@ dtp_print (netdissect_options *ndo, const u_char *pptr, u_int length)
 	case DTP_DTP_TYPE_TLV:
                 if (len < 5)
                     goto invalid;
-                ND_PRINT((ndo, ", 0x%x", *(tptr+4)));
+                ND_PRINT((ndo, ", 0x%x", EXTRACT_U_1(tptr + 4)));
                 break;
 
 	case DTP_NEIGHBOR_TLV: