X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/35a1310799bfba288223980916859db4193c68d6..5ef0bcb5edd748de9d9af13c40da0395dfdd94e8:/print-tftp.c

diff --git a/print-tftp.c b/print-tftp.c
index 2d765822..e90fb68c 100644
--- a/print-tftp.c
+++ b/print-tftp.c
@@ -97,15 +97,14 @@ tftp_print(netdissect_options *ndo,
 	ndo->ndo_protocol = "tftp";
 
 	/* Print protocol */
-	ND_PRINT("TFTP");
+	nd_print_protocol_caps(ndo);
 	/* Print length */
 	ND_PRINT(", length %u", length);
 
 	/* Print tftp request type */
 	if (length < 2)
 		goto trunc;
-	ND_TCHECK_2(bp);
-	opcode = EXTRACT_BE_U_2(bp);
+	opcode = GET_BE_U_2(bp);
 	cp = tok2str(op2str, "tftp-#%u", opcode);
 	ND_PRINT(", %s", cp);
 	/* Bail if bogus opcode */
@@ -142,8 +141,7 @@ tftp_print(netdissect_options *ndo,
 
 		/* Print options, if any */
 		while (length != 0) {
-			ND_TCHECK_1(bp);
-			if (EXTRACT_U_1(bp) != '\0')
+			if (GET_U_1(bp) != '\0')
 				ND_PRINT(" ");
 			ui = nd_printztn(ndo, bp, length, ndo->ndo_snapend);
 			if (ui == 0)
@@ -156,8 +154,7 @@ tftp_print(netdissect_options *ndo,
 	case OACK:
 		/* Print options */
 		while (length != 0) {
-			ND_TCHECK_1(bp);
-			if (EXTRACT_U_1(bp) != '\0')
+			if (GET_U_1(bp) != '\0')
 				ND_PRINT(" ");
 			ui = nd_printztn(ndo, bp, length, ndo->ndo_snapend);
 			if (ui == 0)
@@ -171,17 +168,15 @@ tftp_print(netdissect_options *ndo,
 	case DATA:
 		if (length < 2)
 			goto trunc;	/* no block number */
-		ND_TCHECK_2(bp);
-		ND_PRINT(" block %u", EXTRACT_BE_U_2(bp));
+		ND_PRINT(" block %u", GET_BE_U_2(bp));
 		break;
 
 	case TFTP_ERROR:
 		/* Print error code string */
 		if (length < 2)
 			goto trunc;	/* no error code */
-		ND_TCHECK_2(bp);
 		ND_PRINT(" %s", tok2str(err2str, "tftp-err-#%u \"",
-				       EXTRACT_BE_U_2(bp)));
+				       GET_BE_U_2(bp)));
 		bp += 2;
 		length -= 2;
 		/* Print error message string */