ENC: Use ND_TCHECK_LEN() for a bounds check

Moreover:
Define ND_LONGJMP_FROM_TCHECK.

diff --git a/print-enc.c b/print-enc.c
index 8406caad1718914bed7d85d081c0e30df81dda96..5a781af4fbdf62608ab2f1021b62e30f0effb7ae 100644 (file)
--- a/print-enc.c
+++ b/print-enc.c
@@ -29,6 +29,7 @@
 
 #include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "extract.h"
 #include "af.h"
@@ -104,11 +105,7 @@ enc_if_print(netdissect_options *ndo,
        const struct enchdr *hdr;
 
        ndo->ndo_protocol = "enc";
-       if (caplen < ENC_HDRLEN) {
-               ndo->ndo_ll_hdr_len += caplen;
-               nd_print_trunc(ndo);
-               return;
-       }
+       ND_TCHECK_LEN(p, ENC_HDRLEN);
        ndo->ndo_ll_hdr_len += ENC_HDRLEN;
 
        hdr = (const struct enchdr *)p;