Use nd_ types, add EXTRACT_ calls.

[tcpdump] / print-nsh.c

diff --git a/print-nsh.c b/print-nsh.c
index 6abf9f17c48aba545aee1c1a6324e05328ffbfd6..2734382ce1a95af5d33e535e6cbe6d8c8f579252 100644 (file)
--- a/print-nsh.c
+++ b/print-nsh.c
@@ -66,20 +66,20 @@ nsh_print(netdissect_options *ndo, const u_char *bp, u_int len)
     if (len < NSH_BASE_HDR_LEN + NSH_SERVICE_PATH_HDR_LEN)
         goto trunc;
 
-    ND_TCHECK2(*bp, NSH_BASE_HDR_LEN + NSH_SERVICE_PATH_HDR_LEN);
+    ND_TCHECK_LEN(bp, NSH_BASE_HDR_LEN + NSH_SERVICE_PATH_HDR_LEN);
 
-    ver = (uint8_t)(*bp >> 6);
-    flags = *bp;
+    ver = (uint8_t)(EXTRACT_U_1(bp) >> 6);
+    flags = EXTRACT_U_1(bp);
     bp += 1;
-    length = *bp;
+    length = EXTRACT_U_1(bp);
     bp += 1;
-    md_type = *bp;
+    md_type = EXTRACT_U_1(bp);
     bp += 1;
-    next_protocol = *bp;
+    next_protocol = EXTRACT_U_1(bp);
     bp += 1;
     service_path_id = EXTRACT_BE_U_3(bp);
     bp += 3;
-    service_index = *bp;
+    service_index = EXTRACT_U_1(bp);
     bp += 1;
 
     ND_PRINT((ndo, "NSH, "));
@@ -101,7 +101,7 @@ nsh_print(netdissect_options *ndo, const u_char *bp, u_int len)
     if (len < length * NSH_HDR_WORD_SIZE)
         goto trunc;
 
-    ND_TCHECK2(*bp, length * NSH_HDR_WORD_SIZE);
+    ND_TCHECK_LEN(bp, length * NSH_HDR_WORD_SIZE);
 
     /*
      * length includes the lengths of the Base and Service Path headers.
@@ -127,9 +127,9 @@ nsh_print(netdissect_options *ndo, const u_char *bp, u_int len)
             while (n < length - 2) {
                 tlv_class = EXTRACT_BE_U_2(bp);
                 bp += 2;
-                tlv_type  = *bp;
+                tlv_type  = EXTRACT_U_1(bp);
                 bp += 1;
-                tlv_len   = *bp;
+                tlv_len   = EXTRACT_U_1(bp);
                 bp += 1;
 
                 ND_PRINT((ndo, "\n        TLV Class %d, Type %d, Len %d",