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CI: Add warning exemptions for Sun C (suncc-5.14) on Solaris 10
[tcpdump] / print-forces.c
index f98bd0618e454f8dcad365e7f2c9d854a0e0df5b..197d6c65354704f984b728fb93143ed05d05448d 100644 (file)
 
 /* specification: RFC 5810 */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
 
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "extract.h"
 
-static const char tstr[] = "[|forces]";
 
 #define        ForCES_VERS     1
 #define        ForCES_HDRL     24
@@ -35,17 +33,17 @@ static const char tstr[] = "[|forces]";
 #define TLV_HDRL       4
 #define ILV_HDRL       8
 
-#define TOM_RSVD       0x0
-#define TOM_ASSNSETUP  0x1
-#define TOM_ASSNTEARD  0x2
-#define TOM_CONFIG     0x3
-#define TOM_QUERY      0x4
-#define TOM_EVENTNOT   0x5
-#define TOM_PKTREDIR   0x6
-#define TOM_HEARTBT    0x0F
-#define TOM_ASSNSETREP         0x11
-#define TOM_CONFIGREP  0x13
-#define TOM_QUERYREP   0x14
+#define TOM_RSVD       0x0
+#define TOM_ASSNSETUP  0x1
+#define TOM_ASSNTEARD  0x2
+#define TOM_CONFIG     0x3
+#define TOM_QUERY      0x4
+#define TOM_EVENTNOT   0x5
+#define TOM_PKTREDIR   0x6
+#define TOM_HEARTBT    0x0F
+#define TOM_ASSNSETREP 0x11
+#define TOM_CONFIGREP  0x13
+#define TOM_QUERYREP   0x14
 
 /*
  * tom_h Flags: resv1(8b):maxtlvs(4b):resv2(2b):mintlv(2b)
@@ -66,7 +64,7 @@ struct tom_h {
        uint16_t flags;
        uint16_t op_msk;
        const char *s;
-       int (*print) (netdissect_options *ndo, register const u_char * pptr, register u_int len,
+       int (*print) (netdissect_options *ndo, const u_char * pptr, u_int len,
                      uint16_t op_msk, int indent);
 };
 
@@ -86,7 +84,8 @@ enum {
 };
 #define TOM_MAX_IND (_TOM_RSV_MAX - 1)
 
-static inline int tom_valid(uint8_t tom)
+static int
+tom_valid(uint8_t tom)
 {
        if (tom > 0) {
                if (tom >= 0x7 && tom <= 0xe)
@@ -100,7 +99,8 @@ static inline int tom_valid(uint8_t tom)
                return 0;
 }
 
-static inline const char *ForCES_node(uint32_t node)
+static const char *
+ForCES_node(uint32_t node)
 {
        if (node <= 0x3FFFFFFF)
                return "FE";
@@ -153,24 +153,24 @@ static const struct tok ForCES_TPs[] = {
  * Structure of forces header, naked of TLVs.
  */
 struct forcesh {
-       uint8_t fm_vrsvd;       /* version and reserved */
-#define ForCES_V(forcesh)      ((forcesh)->fm_vrsvd >> 4)
-       uint8_t fm_tom; /* type of message */
-       uint16_t fm_len;        /* total length * 4 bytes */
-#define ForCES_BLN(forcesh)    ((uint32_t)(EXTRACT_16BITS(&(forcesh)->fm_len) << 2))
-       uint32_t fm_sid;        /* Source ID */
-#define ForCES_SID(forcesh)    EXTRACT_32BITS(&(forcesh)->fm_sid)
-       uint32_t fm_did;        /* Destination ID */
-#define ForCES_DID(forcesh)    EXTRACT_32BITS(&(forcesh)->fm_did)
-       uint8_t fm_cor[8];      /* correlator */
-       uint32_t fm_flags;      /* flags */
-#define ForCES_ACK(forcesh)    ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0xC0000000) >> 30)
-#define ForCES_PRI(forcesh)    ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x38000000) >> 27)
-#define ForCES_RS1(forcesh)    ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x07000000) >> 24)
-#define ForCES_EM(forcesh)     ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00C00000) >> 22)
-#define ForCES_AT(forcesh)     ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00200000) >> 21)
-#define ForCES_TP(forcesh)     ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x00180000) >> 19)
-#define ForCES_RS2(forcesh)    ((EXTRACT_32BITS(&(forcesh)->fm_flags)&0x0007FFFF) >> 0)
+       nd_uint8_t fm_vrsvd;    /* version and reserved */
+#define ForCES_V(forcesh)      (GET_U_1((forcesh)->fm_vrsvd) >> 4)
+       nd_uint8_t fm_tom;      /* type of message */
+       nd_uint16_t fm_len;     /* total length * 4 bytes */
+#define ForCES_BLN(forcesh)    ((uint32_t)(GET_BE_U_2((forcesh)->fm_len) << 2))
+       nd_uint32_t fm_sid;     /* Source ID */
+#define ForCES_SID(forcesh)    GET_BE_U_4((forcesh)->fm_sid)
+       nd_uint32_t fm_did;     /* Destination ID */
+#define ForCES_DID(forcesh)    GET_BE_U_4((forcesh)->fm_did)
+       nd_uint8_t fm_cor[8];   /* correlator */
+       nd_uint32_t fm_flags;   /* flags */
+#define ForCES_ACK(forcesh)    ((GET_BE_U_4((forcesh)->fm_flags)&0xC0000000) >> 30)
+#define ForCES_PRI(forcesh)    ((GET_BE_U_4((forcesh)->fm_flags)&0x38000000) >> 27)
+#define ForCES_RS1(forcesh)    ((GET_BE_U_4((forcesh)->fm_flags)&0x07000000) >> 24)
+#define ForCES_EM(forcesh)     ((GET_BE_U_4((forcesh)->fm_flags)&0x00C00000) >> 22)
+#define ForCES_AT(forcesh)     ((GET_BE_U_4((forcesh)->fm_flags)&0x00200000) >> 21)
+#define ForCES_TP(forcesh)     ((GET_BE_U_4((forcesh)->fm_flags)&0x00180000) >> 19)
+#define ForCES_RS2(forcesh)    ((GET_BE_U_4((forcesh)->fm_flags)&0x0007FFFF) >> 0)
 };
 
 #define ForCES_HLN_VALID(fhl,tlen) ((tlen) >= ForCES_HDRL && \
@@ -188,7 +188,7 @@ static const struct tok ForCES_LFBs[] = {
 };
 
 /* this is defined in RFC5810 section A.2 */
-/*   http://www.iana.org/assignments/forces/forces.xhtml#oper-tlv-types */
+/*   https://www.iana.org/assignments/forces/forces.xhtml#oper-tlv-types */
 enum {
        F_OP_RSV        = 0,
        F_OP_SET        = 1,
@@ -230,25 +230,25 @@ struct optlv_h {
        uint16_t flags;
        uint16_t op_msk;
        const char *s;
-       int (*print) (netdissect_options *ndo, register const u_char * pptr, register u_int len,
+       int (*print) (netdissect_options *ndo, const u_char * pptr, u_int len,
                      uint16_t op_msk, int indent);
 };
 
-static int genoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int genoptlv_print(netdissect_options *, const u_char * pptr, u_int len,
                         uint16_t op_msk, int indent);
-static int recpdoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int recpdoptlv_print(netdissect_options *, const u_char * pptr, u_int len,
                            uint16_t op_msk, int indent);
-static int invoptlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int invoptlv_print(netdissect_options *, const u_char * pptr, u_int len,
                          uint16_t op_msk, int indent);
 
 #define OP_MIN_SIZ 8
 struct pathdata_h {
-       uint16_t pflags;
-       uint16_t pIDcnt;
+       nd_uint16_t pflags;
+       nd_uint16_t pIDcnt;
 };
 
 #define        B_FULLD         0x1
-#define        B_SPARD         0x2
+#define        B_SPARD         0x2
 #define B_RESTV                0x4
 #define B_KEYIN                0x8
 #define B_APPND                0x10
@@ -276,9 +276,10 @@ static const struct optlv_h OPTLV_msg[F_OP_MAX + 1] = {
        /* F_OP_RTRCOMP */ {ZERO_TTLV, 0, " RTRCOMP", NULL},
 };
 
-static inline const struct optlv_h *get_forces_optlv_h(uint16_t opt)
+static const struct optlv_h *
+get_forces_optlv_h(uint16_t opt)
 {
-       if (opt > F_OP_MAX || opt <= F_OP_RSV)
+       if (opt > F_OP_MAX || opt == F_OP_RSV)
                return &OPTLV_msg[F_OP_RSV];
 
        return &OPTLV_msg[opt];
@@ -288,9 +289,10 @@ static inline const struct optlv_h *get_forces_optlv_h(uint16_t opt)
 #define IND_CHR ' '
 #define IND_PREF '\n'
 #define IND_SUF 0x0
-char ind_buf[IND_SIZE];
+static char ind_buf[IND_SIZE];
 
-static inline char *indent_pr(int indent, int nlpref)
+static char *
+indent_pr(int indent, int nlpref)
 {
        int i = 0;
        char *r = ind_buf;
@@ -311,14 +313,13 @@ static inline char *indent_pr(int indent, int nlpref)
        return r;
 }
 
-static inline int op_valid(uint16_t op, uint16_t mask)
+static int
+op_valid(uint16_t op, uint16_t mask)
 {
-       int opb = 1 << (op - 1);
-
        if (op == 0)
                return 0;
-       if (opb & mask)
-               return 1;
+       if (op <= F_OP_MAX)
+               return (1 << (op - 1)) & mask; /* works only for 0x0001 through 0x0010 */
        /* I guess we should allow vendor operations? */
        if (op >= 0x8000)
                return 1;
@@ -359,7 +360,8 @@ static const struct tok ForCES_TLV[] = {
 };
 
 #define TLV_HLN        4
-static inline int ttlv_valid(uint16_t ttlv)
+static int
+ttlv_valid(uint16_t ttlv)
 {
        if (ttlv > 0) {
                if (ttlv == 1 || ttlv == 0x1000)
@@ -376,31 +378,27 @@ static inline int ttlv_valid(uint16_t ttlv)
 }
 
 struct forces_ilv {
-       uint32_t type;
-       uint32_t length;
+       nd_uint32_t type;
+       nd_uint32_t length;
 };
 
 struct forces_tlv {
-       uint16_t type;
-       uint16_t length;
+       nd_uint16_t type;
+       nd_uint16_t length;
 };
 
-#define F_ALN_LEN(len) ( ((len)+ForCES_ALNL-1) & ~(ForCES_ALNL-1) )
+#define F_ALN_LEN(len) roundup2(len, ForCES_ALNL)
 #define        GET_TOP_TLV(fhdr) ((const struct forces_tlv *)((fhdr) + sizeof (struct forcesh)))
 #define TLV_SET_LEN(len)  (F_ALN_LEN(TLV_HDRL) + (len))
-#define TLV_ALN_LEN(len)  F_ALN_LEN(TLV_SET_LEN(len))
-#define TLV_RDAT_LEN(tlv) ((int)(EXTRACT_16BITS(&(tlv)->length) - TLV_SET_LEN(0))
 #define TLV_DATA(tlvp)   ((const void*)(((const char*)(tlvp)) + TLV_SET_LEN(0)))
-#define GO_NXT_TLV(tlv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length)), \
+#define GO_NXT_TLV(tlv,rlen) ((rlen) -= F_ALN_LEN(GET_BE_U_2((tlv)->length)), \
                              (const struct forces_tlv*)(((const char*)(tlv)) \
-                                     + F_ALN_LEN(EXTRACT_16BITS(&(tlv)->length))))
+                                     + F_ALN_LEN(GET_BE_U_2((tlv)->length))))
 #define ILV_SET_LEN(len)  (F_ALN_LEN(ILV_HDRL) + (len))
-#define ILV_ALN_LEN(len)  F_ALN_LEN(ILV_SET_LEN(len))
-#define ILV_RDAT_LEN(ilv) ((int)(EXTRACT_32BITS(&(ilv)->length)) - ILV_SET_LEN(0))
 #define ILV_DATA(ilvp)   ((const void*)(((const char*)(ilvp)) + ILV_SET_LEN(0)))
-#define GO_NXT_ILV(ilv,rlen) ((rlen) -= F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length)), \
+#define GO_NXT_ILV(ilv,rlen) ((rlen) -= F_ALN_LEN(GET_BE_U_4((ilv)->length)), \
                              (const struct forces_ilv *)(((const char*)(ilv)) \
-                                     + F_ALN_LEN(EXTRACT_32BITS(&(ilv)->length))))
+                                     + F_ALN_LEN(GET_BE_U_4((ilv)->length))))
 #define INVALID_RLEN 1
 #define INVALID_STLN 2
 #define INVALID_LTLN 3
@@ -414,46 +412,48 @@ static const struct tok ForCES_TLV_err[] = {
        {0, NULL}
 };
 
-static inline u_int tlv_valid(const struct forces_tlv *tlv, u_int rlen)
+static u_int
+tlv_valid(u_int tlvl, u_int rlen)
 {
        if (rlen < TLV_HDRL)
                return INVALID_RLEN;
-       if (EXTRACT_16BITS(&tlv->length) < TLV_HDRL)
+       if (tlvl < TLV_HDRL)
                return INVALID_STLN;
-       if (EXTRACT_16BITS(&tlv->length) > rlen)
+       if (tlvl > rlen)
                return INVALID_LTLN;
-       if (rlen < F_ALN_LEN(EXTRACT_16BITS(&tlv->length)))
+       if (rlen < F_ALN_LEN(tlvl))
                return INVALID_ALEN;
 
        return 0;
 }
 
-static inline int ilv_valid(const struct forces_ilv *ilv, u_int rlen)
+static int
+ilv_valid(netdissect_options *ndo, const struct forces_ilv *ilv, u_int rlen)
 {
        if (rlen < ILV_HDRL)
                return INVALID_RLEN;
-       if (EXTRACT_32BITS(&ilv->length) < ILV_HDRL)
+       if (GET_BE_U_4(ilv->length) < ILV_HDRL)
                return INVALID_STLN;
-       if (EXTRACT_32BITS(&ilv->length) > rlen)
+       if (GET_BE_U_4(ilv->length) > rlen)
                return INVALID_LTLN;
-       if (rlen < F_ALN_LEN(EXTRACT_32BITS(&ilv->length)))
+       if (rlen < F_ALN_LEN(GET_BE_U_4(ilv->length)))
                return INVALID_ALEN;
 
        return 0;
 }
 
-static int lfbselect_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int lfbselect_print(netdissect_options *, const u_char * pptr, u_int len,
                           uint16_t op_msk, int indent);
-static int redirect_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int redirect_print(netdissect_options *, const u_char * pptr, u_int len,
                          uint16_t op_msk, int indent);
-static int asrtlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int asrtlv_print(netdissect_options *, const u_char * pptr, u_int len,
                        uint16_t op_msk, int indent);
-static int asttlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int asttlv_print(netdissect_options *, const u_char * pptr, u_int len,
                        uint16_t op_msk, int indent);
 
 struct forces_lfbsh {
-       uint32_t class;
-       uint32_t instance;
+       nd_uint32_t class;
+       nd_uint32_t instance;
 };
 
 #define ASSNS_OPS (B_OP_REPORT)
@@ -484,7 +484,8 @@ static const struct tom_h ForCES_msg[TOM_MAX_IND + 1] = {
            {TOM_QUERYREP, TTLV_T2, CFG_QYR, "Query Response", lfbselect_print},
 };
 
-static inline const struct tom_h *get_forces_tom(uint8_t tom)
+static const struct tom_h *
+get_forces_tom(uint8_t tom)
 {
        int i;
        for (i = TOM_RSV_I; i <= TOM_MAX_IND; i++) {
@@ -500,7 +501,7 @@ struct pdata_ops {
        uint16_t flags;
        uint16_t op_msk;
        const char *s;
-       int (*print) (netdissect_options *, register const u_char * pptr, register u_int len,
+       int (*print) (netdissect_options *, const u_char * pptr, u_int len,
                      uint16_t op_msk, int indent);
 };
 
@@ -515,26 +516,27 @@ enum {
 };
 #define PD_MAX_IND (_TOM_RSV_MAX - 1)
 
-static inline int pd_valid(uint16_t pd)
+static int
+pd_valid(uint16_t pd)
 {
        if (pd >= F_TLV_PDAT && pd <= F_TLV_REST)
                return 1;
        return 0;
 }
 
-static inline void
+static void
 chk_op_type(netdissect_options *ndo,
             uint16_t type, uint16_t msk, uint16_t omsk)
 {
        if (type != F_TLV_PDAT) {
                if (msk & B_KEYIN) {
                        if (type != F_TLV_KEYI) {
-                               ND_PRINT((ndo, "Based on flags expected KEYINFO TLV!\n"));
+                               ND_PRINT("Based on flags expected KEYINFO TLV!\n");
                        }
                } else {
                        if (!(msk & omsk)) {
-                               ND_PRINT((ndo, "Illegal DATA encoding for type 0x%x programmed %x got %x \n",
-                                         type, omsk, msk));
+                               ND_PRINT("Illegal DATA encoding for type 0x%x programmed %x got %x\n",
+                                         type, omsk, msk);
                        }
                }
        }
@@ -546,18 +548,18 @@ chk_op_type(netdissect_options *ndo,
 #define F_TABAPPEND 4
 
 struct res_val {
-       uint8_t result;
-       uint8_t resv1;
-       uint16_t resv2;
+       nd_uint8_t result;
+       nd_uint8_t resv1;
+       nd_uint16_t resv2;
 };
 
-static int prestlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int prestlv_print(netdissect_options *, const u_char * pptr, u_int len,
                         uint16_t op_msk, int indent);
-static int pkeyitlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int pkeyitlv_print(netdissect_options *, const u_char * pptr, u_int len,
                          uint16_t op_msk, int indent);
-static int fdatatlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int fdatatlv_print(netdissect_options *, const u_char * pptr, u_int len,
                          uint16_t op_msk, int indent);
-static int sdatatlv_print(netdissect_options *, register const u_char * pptr, register u_int len,
+static int sdatatlv_print(netdissect_options *, const u_char * pptr, u_int len,
                          uint16_t op_msk, int indent);
 
 static const struct pdata_ops ForCES_pdata[PD_MAX_IND + 1] = {
@@ -570,7 +572,8 @@ static const struct pdata_ops ForCES_pdata[PD_MAX_IND + 1] = {
            {F_TLV_PDAT, 0, 0, "Inner PATH-DATA TLV", recpdoptlv_print},
 };
 
-static inline const struct pdata_ops *get_forces_pd(uint16_t pd)
+static const struct pdata_ops *
+get_forces_pd(uint16_t pd)
 {
        int i;
        for (i = PD_RSV_I + 1; i <= PD_MAX_IND; i++) {
@@ -639,17 +642,27 @@ static const struct tok ForCES_errs[] = {
        {0, NULL}
 };
 
+static const struct tok tdr_str[] = {
+       { 0, "Normal Teardown" },
+       { 1, "Loss of Heartbeats" },
+       { 2, "Out of bandwidth" },
+       { 3, "Out of Memory" },
+       { 4, "Application Crash" },
+       { 0, NULL }
+};
+
 #define RESLEN 4
 
 static int
 prestlv_print(netdissect_options *ndo,
-              register const u_char * pptr, register u_int len,
+              const u_char * pptr, u_int len,
               uint16_t op_msk _U_, int indent)
 {
        const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
-       register const u_char *tdp = (const u_char *) TLV_DATA(tlv);
+       const u_char *tdp = TLV_DATA(tlv);
        const struct res_val *r = (const struct res_val *)tdp;
        u_int dlen;
+       uint8_t result;
 
        /*
         * pdatacnt_print() has ensured that len (the TLV length)
@@ -657,36 +670,36 @@ prestlv_print(netdissect_options *ndo,
         */
        dlen = len - TLV_HDRL;
        if (dlen != RESLEN) {
-               ND_PRINT((ndo, "illegal RESULT-TLV: %d bytes!\n", dlen));
-               return -1;
+               ND_PRINT("illegal RESULT-TLV: %u bytes!\n", dlen);
+               goto invalid;
        }
 
-       ND_TCHECK(*r);
-       if (r->result >= 0x18 && r->result <= 0xFE) {
-               ND_PRINT((ndo, "illegal reserved result code: 0x%x!\n", r->result));
-               return -1;
+       ND_TCHECK_SIZE(r);
+       result = GET_U_1(r->result);
+       if (result >= 0x18 && result <= 0xFE) {
+               ND_PRINT("illegal reserved result code: 0x%x!\n", result);
+               goto invalid;
        }
 
        if (ndo->ndo_vflag >= 3) {
                char *ib = indent_pr(indent, 0);
-               ND_PRINT((ndo, "%s  Result: %s (code 0x%x)\n", ib,
-                      tok2str(ForCES_errs, NULL, r->result), r->result));
+               ND_PRINT("%s  Result: %s (code 0x%x)\n", ib,
+                      tok2str(ForCES_errs, NULL, result), result);
        }
        return 0;
 
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 static int
 fdatatlv_print(netdissect_options *ndo,
-               register const u_char * pptr, register u_int len,
+               const u_char * pptr, u_int len,
                uint16_t op_msk _U_, int indent)
 {
        const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
        u_int rlen;
-       register const u_char *tdp = (const u_char *) TLV_DATA(tlv);
+       const u_char *tdp = TLV_DATA(tlv);
        uint16_t type;
 
        /*
@@ -694,29 +707,28 @@ fdatatlv_print(netdissect_options *ndo,
         * (the TLV length) >= TLV_HDRL.
         */
        rlen = len - TLV_HDRL;
-       ND_TCHECK(*tlv);
-       type = EXTRACT_16BITS(&tlv->type);
+       ND_TCHECK_SIZE(tlv);
+       type = GET_BE_U_2(tlv->type);
        if (type != F_TLV_FULD) {
-               ND_PRINT((ndo, "Error: expecting FULLDATA!\n"));
-               return -1;
+               ND_PRINT("Error: expecting FULLDATA!\n");
+               goto invalid;
        }
 
        if (ndo->ndo_vflag >= 3) {
                char *ib = indent_pr(indent + 2, 1);
-               ND_PRINT((ndo, "%s[", &ib[1]));
-               hex_print_with_offset(ndo, ib, tdp, rlen, 0);
-               ND_PRINT((ndo, "\n%s]\n", &ib[1]));
+               ND_PRINT("%s[", ib + 1);
+               hex_print(ndo, ib, tdp, rlen);
+               ND_PRINT("\n%s]", ib + 1);
        }
        return 0;
 
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 static int
 sdatailv_print(netdissect_options *ndo,
-               register const u_char * pptr, register u_int len,
+               const u_char * pptr, u_int len,
                uint16_t op_msk _U_, int indent)
 {
        u_int rlen;
@@ -724,50 +736,43 @@ sdatailv_print(netdissect_options *ndo,
        int invilv;
 
        if (len < ILV_HDRL) {
-               ND_PRINT((ndo, "Error: BAD SPARSEDATA-TLV!\n"));
-               return -1;
+               ND_PRINT("Error: BAD SPARSEDATA-TLV!\n");
+               goto invalid;
        }
        rlen = len;
        indent += 1;
        while (rlen != 0) {
-#if 0
-               ND_PRINT((ndo, "Jamal - outstanding length <%d>\n", rlen));
-#endif
                char *ib = indent_pr(indent, 1);
-               register const u_char *tdp = (const u_char *) ILV_DATA(ilv);
-               ND_TCHECK(*ilv);
-               invilv = ilv_valid(ilv, rlen);
+               const u_char *tdp = ILV_DATA(ilv);
+               invilv = ilv_valid(ndo, ilv, rlen);
                if (invilv) {
-                       ND_PRINT((ndo, "%s[", &ib[1]));
-                       hex_print_with_offset(ndo, ib, tdp, rlen, 0);
-                       ND_PRINT((ndo, "\n%s]\n", &ib[1]));
-                       return -1;
+                       ND_PRINT("Error: %s, rlen %u\n",
+                                tok2str(ForCES_TLV_err, NULL, invilv), rlen);
+                       goto invalid;
                }
                if (ndo->ndo_vflag >= 3) {
-                       int ilvl = EXTRACT_32BITS(&ilv->length);
-                       ND_PRINT((ndo, "\n%s ILV: type %x length %d\n", &ib[1],
-                              EXTRACT_32BITS(&ilv->type), ilvl));
-                       hex_print_with_offset(ndo, "\t\t[", tdp, ilvl-ILV_HDRL, 0);
+                       u_int ilvl = GET_BE_U_4(ilv->length);
+                       ND_PRINT("\n%s ILV: type %x length %u\n", ib + 1,
+                                 GET_BE_U_4(ilv->type), ilvl);
+                       hex_print(ndo, "\t\t[", tdp, ilvl-ILV_HDRL);
                }
 
                ilv = GO_NXT_ILV(ilv, rlen);
        }
 
        return 0;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 static int
 sdatatlv_print(netdissect_options *ndo,
-               register const u_char * pptr, register u_int len,
+               const u_char * pptr, u_int len,
                uint16_t op_msk, int indent)
 {
        const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
        u_int rlen;
-       register const u_char *tdp = (const u_char *) TLV_DATA(tlv);
+       const u_char *tdp = TLV_DATA(tlv);
        uint16_t type;
 
        /*
@@ -775,58 +780,54 @@ sdatatlv_print(netdissect_options *ndo,
         * >= TLV_HDRL.
         */
        rlen = len - TLV_HDRL;
-       ND_TCHECK(*tlv);
-       type = EXTRACT_16BITS(&tlv->type);
+       ND_TCHECK_SIZE(tlv);
+       type = GET_BE_U_2(tlv->type);
        if (type != F_TLV_SPAD) {
-               ND_PRINT((ndo, "Error: expecting SPARSEDATA!\n"));
-               return -1;
+               ND_PRINT("Error: expecting SPARSEDATA!\n");
+               goto invalid;
        }
 
        return sdatailv_print(ndo, tdp, rlen, op_msk, indent);
 
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 static int
 pkeyitlv_print(netdissect_options *ndo,
-               register const u_char * pptr, register u_int len,
+               const u_char * pptr, u_int len,
                uint16_t op_msk, int indent)
 {
        const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
-       register const u_char *tdp = (const u_char *) TLV_DATA(tlv);
-       register const u_char *dp = tdp + 4;
+       const u_char *tdp = TLV_DATA(tlv);
+       const u_char *dp = tdp + 4;
        const struct forces_tlv *kdtlv = (const struct forces_tlv *)dp;
        uint32_t id;
        char *ib = indent_pr(indent, 0);
        uint16_t type, tll;
        u_int invtlv;
 
-       ND_TCHECK(*tdp);
-       id = EXTRACT_32BITS(tdp);
-       ND_PRINT((ndo, "%sKeyinfo: Key 0x%x\n", ib, id));
-       ND_TCHECK(*kdtlv);
-       type = EXTRACT_16BITS(&kdtlv->type);
-       invtlv = tlv_valid(kdtlv, len);
+       id = GET_BE_U_4(tdp);
+       ND_PRINT("%sKeyinfo: Key 0x%x\n", ib, id);
+       type = GET_BE_U_2(kdtlv->type);
+       tll = GET_BE_U_2(kdtlv->length);
+       invtlv = tlv_valid(tll, len);
 
        if (invtlv) {
-               ND_PRINT((ndo, "%s TLV type 0x%x len %d\n",
+               ND_PRINT("%s TLV type 0x%x len %u\n",
                       tok2str(ForCES_TLV_err, NULL, invtlv), type,
-                      EXTRACT_16BITS(&kdtlv->length)));
-               return -1;
+                      tll);
+               goto invalid;
        }
        /*
         * At this point, tlv_valid() has ensured that the TLV
         * length is large enough but not too large (it doesn't
         * go past the end of the containing TLV).
         */
-       tll = EXTRACT_16BITS(&kdtlv->length);
-       dp = (const u_char *) TLV_DATA(kdtlv);
+       tll = GET_BE_U_2(kdtlv->length);
+       dp = TLV_DATA(kdtlv);
        return fdatatlv_print(ndo, dp, tll, op_msk, indent);
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
@@ -834,7 +835,7 @@ trunc:
 
 static int
 pdatacnt_print(netdissect_options *ndo,
-               register const u_char * pptr, register u_int len,
+               const u_char * pptr, u_int len,
                uint16_t IDcnt, uint16_t op_msk, int indent)
 {
        u_int i;
@@ -842,15 +843,13 @@ pdatacnt_print(netdissect_options *ndo,
        char *ib = indent_pr(indent, 0);
 
        if ((op_msk & B_APPND) && ndo->ndo_vflag >= 3) {
-               ND_PRINT((ndo, "%sTABLE APPEND\n", ib));
+               ND_PRINT("%sTABLE APPEND\n", ib);
        }
        for (i = 0; i < IDcnt; i++) {
-               ND_TCHECK2(*pptr, 4);
-               if (len < 4)
-                       goto trunc;
-               id = EXTRACT_32BITS(pptr);
+               ND_ICHECK_U(len, <, 4);
+               id = GET_BE_U_4(pptr);
                if (ndo->ndo_vflag >= 3)
-                       ND_PRINT((ndo, "%sID#%02u: %d\n", ib, i + 1, id));
+                       ND_PRINT("%sID#%02u: %u\n", ib, i + 1, id);
                len -= 4;
                pptr += 4;
        }
@@ -860,24 +859,24 @@ pdatacnt_print(netdissect_options *ndo,
                        uint32_t starti, endi;
 
                        if (len < PTH_DESC_SIZE) {
-                               ND_PRINT((ndo, "pathlength %d with key/range too short %d\n",
-                                      len, PTH_DESC_SIZE));
-                               return -1;
+                               ND_PRINT("pathlength %u with key/range too short %u\n",
+                                      len, PTH_DESC_SIZE);
+                               goto invalid;
                        }
 
                        pptr += sizeof(struct forces_tlv);
                        len -= sizeof(struct forces_tlv);
 
-                       starti = EXTRACT_32BITS(pptr);
+                       starti = GET_BE_U_4(pptr);
                        pptr += 4;
                        len -= 4;
 
-                       endi = EXTRACT_32BITS(pptr);
+                       endi = GET_BE_U_4(pptr);
                        pptr += 4;
                        len -= 4;
 
                        if (ndo->ndo_vflag >= 3)
-                               ND_PRINT((ndo, "%sTable range: [%d,%d]\n", ib, starti, endi));
+                               ND_PRINT("%sTable range: [%u,%u]\n", ib, starti, endi);
                }
 
                if (op_msk & B_KEYIN) {
@@ -885,9 +884,9 @@ pdatacnt_print(netdissect_options *ndo,
                        uint16_t tll;
 
                        if (len < PTH_DESC_SIZE) {
-                               ND_PRINT((ndo, "pathlength %d with key/range too short %d\n",
-                                      len, PTH_DESC_SIZE));
-                               return -1;
+                               ND_PRINT("pathlength %u with key/range too short %u\n",
+                                      len, PTH_DESC_SIZE);
+                               goto invalid;
                        }
 
                        /* skip keyid */
@@ -898,16 +897,16 @@ pdatacnt_print(netdissect_options *ndo,
                        pptr += sizeof(struct forces_tlv);
                        len -= sizeof(struct forces_tlv);
                        /* skip key content */
-                       tll = EXTRACT_16BITS(&keytlv->length);
+                       tll = GET_BE_U_2(keytlv->length);
                        if (tll < TLV_HDRL) {
-                               ND_PRINT((ndo, "key content length %u < %u\n",
-                                       tll, TLV_HDRL));
-                               return -1;
+                               ND_PRINT("key content length %u < %u\n",
+                                       tll, TLV_HDRL);
+                               goto invalid;
                        }
                        tll -= TLV_HDRL;
                        if (len < tll) {
-                               ND_PRINT((ndo, "key content too short\n"));
-                               return -1;
+                               ND_PRINT("key content too short\n");
+                               goto invalid;
                        }
                        pptr += tll;
                        len -= tll;
@@ -918,18 +917,18 @@ pdatacnt_print(netdissect_options *ndo,
        if (len) {
                const struct forces_tlv *pdtlv = (const struct forces_tlv *)pptr;
                uint16_t type;
-               uint16_t tll;
-               int pad = 0;
+               uint16_t tlvl, tll;
+               u_int pad = 0;
                u_int aln;
                u_int invtlv;
 
-               ND_TCHECK(*pdtlv);
-               type = EXTRACT_16BITS(&pdtlv->type);
-               invtlv = tlv_valid(pdtlv, len);
+               type = GET_BE_U_2(pdtlv->type);
+               tlvl = GET_BE_U_2(pdtlv->length);
+               invtlv = tlv_valid(tlvl, len);
                if (invtlv) {
-                       ND_PRINT((ndo, "%s Outstanding bytes %d for TLV type 0x%x TLV len %d\n",
+                       ND_PRINT("%s Outstanding bytes %u for TLV type 0x%x TLV len %u\n",
                                  tok2str(ForCES_TLV_err, NULL, invtlv), len, type,
-                                 EXTRACT_16BITS(&pdtlv->length)));
+                                 tlvl);
                        goto pd_err;
                }
                /*
@@ -937,15 +936,14 @@ pdatacnt_print(netdissect_options *ndo,
                 * length is large enough but not too large (it doesn't
                 * go past the end of the containing TLV).
                 */
-               tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
-               aln = F_ALN_LEN(EXTRACT_16BITS(&pdtlv->length));
-               if (aln > EXTRACT_16BITS(&pdtlv->length)) {
+               tll = tlvl - TLV_HDRL;
+               aln = F_ALN_LEN(tlvl);
+               if (aln > tlvl) {
                        if (aln > len) {
-                               ND_PRINT((ndo,
-                                         "Invalid padded pathdata TLV type 0x%x len %d missing %d pad bytes\n",
-                                         type, EXTRACT_16BITS(&pdtlv->length), aln - len));
+                               ND_PRINT("Invalid padded pathdata TLV type 0x%x len %u missing %u pad bytes\n",
+                                         type, tlvl, aln - len);
                        } else {
-                               pad = aln - EXTRACT_16BITS(&pdtlv->length);
+                               pad = aln - tlvl;
                        }
                }
                if (pd_valid(type)) {
@@ -953,43 +951,41 @@ pdatacnt_print(netdissect_options *ndo,
 
                        if (ndo->ndo_vflag >= 3 && ops->v != F_TLV_PDAT) {
                                if (pad)
-                                       ND_PRINT((ndo, "%s  %s (Length %d DataLen %d pad %d Bytes)\n",
-                                                 ib, ops->s, EXTRACT_16BITS(&pdtlv->length), tll, pad));
+                                       ND_PRINT("%s  %s (Length %u DataLen %u pad %u Bytes)\n",
+                                                 ib, ops->s, tlvl, tll, pad);
                                else
-                                       ND_PRINT((ndo, "%s  %s (Length %d DataLen %d Bytes)\n",
-                                                 ib, ops->s, EXTRACT_16BITS(&pdtlv->length), tll));
+                                       ND_PRINT("%s  %s (Length %u DataLen %u Bytes)\n",
+                                                 ib, ops->s, tlvl, tll);
                        }
 
                        chk_op_type(ndo, type, op_msk, ops->op_msk);
 
-                       if (ops->print(ndo, (const u_char *)pdtlv,
-                                       tll + pad + TLV_HDRL, op_msk,
-                                       indent + 2) == -1)
-                               return -1;
+                       ND_ICHECK_U(ops->print(ndo, (const u_char *)pdtlv,
+                                   tll + pad + TLV_HDRL, op_msk, indent + 2),
+                                   ==, -1);
                        len -= (TLV_HDRL + pad + tll);
                } else {
-                       ND_PRINT((ndo, "Invalid path data content type 0x%x len %d\n",
-                              type, EXTRACT_16BITS(&pdtlv->length)));
+                       ND_PRINT("Invalid path data content type 0x%x len %u\n",
+                              type, tlvl);
 pd_err:
-                       if (EXTRACT_16BITS(&pdtlv->length)) {
-                                hex_print_with_offset(ndo, "Bad Data val\n\t  [",
-                                                     pptr, len, 0);
-                               ND_PRINT((ndo, "]\n"));
+                       if (tlvl) {
+                                hex_print(ndo, "Bad Data val\n\t  [",
+                                         pptr, len);
+                               ND_PRINT("]\n");
 
-                               return -1;
+                               goto invalid;
                        }
                }
        }
        return len;
 
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 static int
 pdata_print(netdissect_options *ndo,
-            register const u_char * pptr, register u_int len,
+            const u_char * pptr, u_int len,
             uint16_t op_msk, int indent)
 {
        const struct pathdata_h *pdh = (const struct pathdata_h *)pptr;
@@ -998,42 +994,42 @@ pdata_print(netdissect_options *ndo,
        int more_pd = 0;
        uint16_t idcnt = 0;
 
-       ND_TCHECK(*pdh);
-       if (len < sizeof(struct pathdata_h))
-               goto trunc;
+       ND_TCHECK_SIZE(pdh);
+       ND_ICHECK_ZU(len, <, sizeof(struct pathdata_h));
        if (ndo->ndo_vflag >= 3) {
-               ND_PRINT((ndo, "\n%sPathdata: Flags 0x%x ID count %d\n",
-                      ib, EXTRACT_16BITS(&pdh->pflags), EXTRACT_16BITS(&pdh->pIDcnt)));
+               ND_PRINT("\n%sPathdata: Flags 0x%x ID count %u\n",
+                      ib, GET_BE_U_2(pdh->pflags),
+                      GET_BE_U_2(pdh->pIDcnt));
        }
 
-       if (EXTRACT_16BITS(&pdh->pflags) & F_SELKEY) {
+       if (GET_BE_U_2(pdh->pflags) & F_SELKEY) {
                op_msk |= B_KEYIN;
        }
 
        /* Table GET Range operation */
-       if (EXTRACT_16BITS(&pdh->pflags) & F_SELTABRANGE) {
+       if (GET_BE_U_2(pdh->pflags) & F_SELTABRANGE) {
                op_msk |= B_TRNG;
        }
        /* Table SET append operation */
-       if (EXTRACT_16BITS(&pdh->pflags) & F_TABAPPEND) {
+       if (GET_BE_U_2(pdh->pflags) & F_TABAPPEND) {
                op_msk |= B_APPND;
        }
 
        pptr += sizeof(struct pathdata_h);
        len -= sizeof(struct pathdata_h);
-       idcnt = EXTRACT_16BITS(&pdh->pIDcnt);
+       idcnt = GET_BE_U_2(pdh->pIDcnt);
        minsize = idcnt * 4;
        if (len < minsize) {
-               ND_PRINT((ndo, "\t\t\ttruncated IDs expected %uB got %uB\n", minsize,
-                      len));
-               hex_print_with_offset(ndo, "\t\t\tID Data[", pptr, len, 0);
-               ND_PRINT((ndo, "]\n"));
-               return -1;
+               ND_PRINT("\t\t\ttruncated IDs expected %uB got %uB\n", minsize,
+                      len);
+               hex_print(ndo, "\t\t\tID Data[", pptr, len);
+               ND_PRINT("]\n");
+               goto invalid;
        }
 
        if ((op_msk & B_TRNG) && (op_msk & B_KEYIN)) {
-               ND_PRINT((ndo, "\t\t\tIllegal to have both Table ranges and keys\n"));
-               return -1;
+               ND_PRINT("\t\t\tIllegal to have both Table ranges and keys\n");
+               goto invalid;
        }
 
        more_pd = pdatacnt_print(ndo, pptr, len, idcnt, op_msk, indent);
@@ -1044,74 +1040,70 @@ pdata_print(netdissect_options *ndo,
                /* XXX: Argh, recurse some more */
                return recpdoptlv_print(ndo, pptr, len, op_msk, indent+1);
        } else
-               return 0;
+               return more_pd;
 
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 static int
 genoptlv_print(netdissect_options *ndo,
-               register const u_char * pptr, register u_int len,
+               const u_char * pptr, u_int len,
                uint16_t op_msk, int indent)
 {
        const struct forces_tlv *pdtlv = (const struct forces_tlv *)pptr;
        uint16_t type;
-       int tll;
+       u_int tlvl;
        u_int invtlv;
        char *ib = indent_pr(indent, 0);
 
-       ND_TCHECK(*pdtlv);
-       type = EXTRACT_16BITS(&pdtlv->type);
-       tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
-       invtlv = tlv_valid(pdtlv, len);
-       ND_PRINT((ndo, "genoptlvprint - %s TLV type 0x%x len %d\n",
-              tok2str(ForCES_TLV, NULL, type), type, EXTRACT_16BITS(&pdtlv->length)));
-       if (!invtlv) {
-               /*
-                * At this point, tlv_valid() has ensured that the TLV
-                * length is large enough but not too large (it doesn't
-                * go past the end of the containing TLV).
-                */
-               register const u_char *dp = (const u_char *) TLV_DATA(pdtlv);
-               if (!ttlv_valid(type)) {
-                       ND_PRINT((ndo, "%s TLV type 0x%x len %d\n",
-                              tok2str(ForCES_TLV_err, NULL, invtlv), type,
-                              EXTRACT_16BITS(&pdtlv->length)));
-                       return -1;
-               }
-               if (ndo->ndo_vflag >= 3)
-                       ND_PRINT((ndo, "%s%s, length %d (data length %d Bytes)",
-                              ib, tok2str(ForCES_TLV, NULL, type),
-                              EXTRACT_16BITS(&pdtlv->length), tll));
+       type = GET_BE_U_2(pdtlv->type);
+       tlvl = GET_BE_U_2(pdtlv->length);
+       invtlv = tlv_valid(tlvl, len);
+       ND_PRINT("genoptlvprint - %s TLV type 0x%x len %u\n",
+              tok2str(ForCES_TLV, NULL, type), type, tlvl);
+       if (invtlv) {
+               ND_PRINT("\t\t\tInvalid ForCES TLV type=%x", type);
+               goto invalid;
+       }
+       /*
+        * At this point, tlv_valid() has ensured that the TLV
+        * length is large enough but not too large (it doesn't
+        * go past the end of the containing TLV).
+        */
+       const u_char *dp = TLV_DATA(pdtlv);
 
-               return pdata_print(ndo, dp, tll, op_msk, indent + 1);
-       } else {
-               ND_PRINT((ndo, "\t\t\tInvalid ForCES TLV type=%x", type));
-               return -1;
+       if (!ttlv_valid(type)) {
+               ND_PRINT("%s TLV type 0x%x len %u\n",
+                      tok2str(ForCES_TLV_err, NULL, invtlv), type,
+                      tlvl);
+               goto invalid;
        }
+       if (ndo->ndo_vflag >= 3)
+               ND_PRINT("%s%s, length %u (data length %u Bytes)",
+                      ib, tok2str(ForCES_TLV, NULL, type),
+                      tlvl, tlvl - TLV_HDRL);
 
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+       return pdata_print(ndo, dp, tlvl - TLV_HDRL, op_msk, indent + 1);
+invalid:
        return -1;
 }
 
 static int
 recpdoptlv_print(netdissect_options *ndo,
-                 register const u_char * pptr, register u_int len,
+                 const u_char * pptr, u_int len,
                  uint16_t op_msk, int indent)
 {
        const struct forces_tlv *pdtlv = (const struct forces_tlv *)pptr;
-       int tll;
-       u_int invtlv;
-       uint16_t type;
-       register const u_char *dp;
-       char *ib;
 
        while (len != 0) {
-               ND_TCHECK(*pdtlv);
-               invtlv = tlv_valid(pdtlv, len);
+               uint16_t type, tlvl;
+               u_int invtlv;
+               char *ib;
+               const u_char *dp;
+
+               tlvl = GET_BE_U_2(pdtlv->length);
+               invtlv = tlv_valid(tlvl, len);
                if (invtlv) {
                        break;
                }
@@ -1122,46 +1114,43 @@ recpdoptlv_print(netdissect_options *ndo,
                 * go past the end of the containing TLV).
                 */
                ib = indent_pr(indent, 0);
-               type = EXTRACT_16BITS(&pdtlv->type);
-               dp = (const u_char *) TLV_DATA(pdtlv);
-               tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
+               type = GET_BE_U_2(pdtlv->type);
+               dp = TLV_DATA(pdtlv);
 
                if (ndo->ndo_vflag >= 3)
-                       ND_PRINT((ndo, "%s%s, length %d (data encapsulated %d Bytes)",
+                       ND_PRINT("%s%s, length %u (data encapsulated %u Bytes)",
                                  ib, tok2str(ForCES_TLV, NULL, type),
-                                 EXTRACT_16BITS(&pdtlv->length),
-                                 EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL));
+                                 tlvl,
+                                 tlvl - TLV_HDRL);
 
-               if (pdata_print(ndo, dp, tll, op_msk, indent + 1) == -1)
-                       return -1;
+               ND_ICHECK_U(pdata_print(ndo, dp, tlvl - TLV_HDRL, op_msk, indent + 1),
+                           ==, -1);
                pdtlv = GO_NXT_TLV(pdtlv, len);
        }
 
        if (len) {
-               ND_PRINT((ndo,
-                         "\n\t\tMessy PATHDATA TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
-                         EXTRACT_16BITS(&pdtlv->type), len - EXTRACT_16BITS(&pdtlv->length)));
-               return -1;
+               ND_PRINT("\n\t\tMessy PATHDATA TLV header, type (0x%x)\n\t\texcess of %u Bytes ",
+                         GET_BE_U_2(pdtlv->type),
+                         len - GET_BE_U_2(pdtlv->length));
+               goto invalid;
        }
 
        return 0;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 static int
 invoptlv_print(netdissect_options *ndo,
-               register const u_char * pptr, register u_int len,
+               const u_char * pptr, u_int len,
                uint16_t op_msk _U_, int indent)
 {
        char *ib = indent_pr(indent, 1);
 
        if (ndo->ndo_vflag >= 3) {
-               ND_PRINT((ndo, "%sData[", &ib[1]));
-               hex_print_with_offset(ndo, ib, pptr, len, 0);
-               ND_PRINT((ndo, "%s]\n", ib));
+               ND_PRINT("%sData[", ib + 1);
+               hex_print(ndo, ib, pptr, len);
+               ND_PRINT("%s]\n", ib);
        }
        return -1;
 }
@@ -1171,30 +1160,29 @@ otlv_print(netdissect_options *ndo,
            const struct forces_tlv *otlv, uint16_t op_msk _U_, int indent)
 {
        int rc = 0;
-       register const u_char *dp = (const u_char *) TLV_DATA(otlv);
+       const u_char *dp = TLV_DATA(otlv);
        uint16_t type;
-       int tll;
+       u_int tll;
        char *ib = indent_pr(indent, 0);
        const struct optlv_h *ops;
 
        /*
-        * lfbselect_print() has ensured that EXTRACT_16BITS(&otlv->length)
+        * lfbselect_print() has ensured that GET_BE_U_2(otlv->length)
         * >= TLV_HDRL.
         */
-       ND_TCHECK(*otlv);
-       type = EXTRACT_16BITS(&otlv->type);
-       tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
+       type = GET_BE_U_2(otlv->type);
+       tll = GET_BE_U_2(otlv->length) - TLV_HDRL;
        ops = get_forces_optlv_h(type);
        if (ndo->ndo_vflag >= 3) {
-               ND_PRINT((ndo, "%sOper TLV %s(0x%x) length %d\n", ib, ops->s, type,
-                      EXTRACT_16BITS(&otlv->length)));
+               ND_PRINT("%sOper TLV %s(0x%x) length %u\n", ib, ops->s, type,
+                      GET_BE_U_2(otlv->length));
        }
        /* rest of ops must at least have 12B {pathinfo} */
        if (tll < OP_MIN_SIZ) {
-               ND_PRINT((ndo, "\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
-                      EXTRACT_16BITS(&otlv->length)));
-               ND_PRINT((ndo, "\t\tTruncated data size %d minimum required %d\n", tll,
-                      OP_MIN_SIZ));
+               ND_PRINT("\t\tOper TLV %s(0x%x) length %u\n", ops->s, type,
+                      GET_BE_U_2(otlv->length));
+               ND_PRINT("\t\tTruncated data size %u minimum required %u\n", tll,
+                      OP_MIN_SIZ);
                return invoptlv_print(ndo, dp, tll, ops->op_msk, indent);
 
        }
@@ -1204,17 +1192,13 @@ otlv_print(netdissect_options *ndo,
                 rc = ops->print(ndo, dp, tll, ops->op_msk, indent + 1);
         }
        return rc;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
-       return -1;
 }
 
 #define ASTDLN 4
 #define ASTMCD 255
 static int
 asttlv_print(netdissect_options *ndo,
-             register const u_char * pptr, register u_int len,
+             const u_char * pptr, u_int len,
              uint16_t op_msk _U_, int indent)
 {
        uint32_t rescode;
@@ -1227,44 +1211,22 @@ asttlv_print(netdissect_options *ndo,
         */
        dlen = len - TLV_HDRL;
        if (dlen != ASTDLN) {
-               ND_PRINT((ndo, "illegal ASTresult-TLV: %d bytes!\n", dlen));
-               return -1;
+               ND_PRINT("illegal ASTresult-TLV: %u bytes!\n", dlen);
+               goto invalid;
        }
-       ND_TCHECK2(*pptr, 4);
-       rescode = EXTRACT_32BITS(pptr);
+       rescode = GET_BE_U_4(pptr);
        if (rescode > ASTMCD) {
-               ND_PRINT((ndo, "illegal ASTresult result code: %d!\n", rescode));
-               return -1;
+               ND_PRINT("illegal ASTresult result code: %u!\n", rescode);
+               goto invalid;
        }
 
        if (ndo->ndo_vflag >= 3) {
-               ND_PRINT((ndo, "Teardown reason:\n%s", ib));
-               switch (rescode) {
-               case 0:
-                       ND_PRINT((ndo, "Normal Teardown"));
-                       break;
-               case 1:
-                       ND_PRINT((ndo, "Loss of Heartbeats"));
-                       break;
-               case 2:
-                       ND_PRINT((ndo, "Out of bandwidth"));
-                       break;
-               case 3:
-                       ND_PRINT((ndo, "Out of Memory"));
-                       break;
-               case 4:
-                       ND_PRINT((ndo, "Application Crash"));
-                       break;
-               default:
-                       ND_PRINT((ndo, "Unknown Teardown reason"));
-                       break;
-               }
-               ND_PRINT((ndo, "(%x)\n%s", rescode, ib));
+               ND_PRINT("Teardown reason:\n%s%s", ib,
+                        tok2str(tdr_str, "unknown (%u)", rescode));
+               ND_PRINT("(%x)\n%s", rescode, ib);
        }
        return 0;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
@@ -1272,7 +1234,7 @@ trunc:
 #define ASRMCD 3
 static int
 asrtlv_print(netdissect_options *ndo,
-             register const u_char * pptr, register u_int len,
+             const u_char * pptr, u_int len,
              uint16_t op_msk _U_, int indent)
 {
        uint32_t rescode;
@@ -1285,39 +1247,36 @@ asrtlv_print(netdissect_options *ndo,
         */
        dlen = len - TLV_HDRL;
        if (dlen != ASRDLN) {   /* id, instance, oper tlv */
-               ND_PRINT((ndo, "illegal ASRresult-TLV: %d bytes!\n", dlen));
-               return -1;
+               ND_PRINT("illegal ASRresult-TLV: %u bytes!\n", dlen);
+               goto invalid;
        }
-       ND_TCHECK2(*pptr, 4);
-       rescode = EXTRACT_32BITS(pptr);
+       rescode = GET_BE_U_4(pptr);
 
        if (rescode > ASRMCD) {
-               ND_PRINT((ndo, "illegal ASRresult result code: %d!\n", rescode));
-               return -1;
+               ND_PRINT("illegal ASRresult result code: %u!\n", rescode);
+               goto invalid;
        }
 
        if (ndo->ndo_vflag >= 3) {
-               ND_PRINT((ndo, "\n%s", ib));
+               ND_PRINT("\n%s", ib);
                switch (rescode) {
                case 0:
-                       ND_PRINT((ndo, "Success "));
+                       ND_PRINT("Success ");
                        break;
                case 1:
-                       ND_PRINT((ndo, "FE ID invalid "));
+                       ND_PRINT("FE ID invalid ");
                        break;
                case 2:
-                       ND_PRINT((ndo, "permission denied "));
+                       ND_PRINT("permission denied ");
                        break;
                default:
-                       ND_PRINT((ndo, "Unknown "));
+                       ND_PRINT("Unknown ");
                        break;
                }
-               ND_PRINT((ndo, "(%x)\n%s", rescode, ib));
+               ND_PRINT("(%x)\n%s", rescode, ib);
        }
        return 0;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
@@ -1327,13 +1286,13 @@ trunc:
  */
 static int
 gentltlv_print(netdissect_options *ndo,
-               register const u_char * pptr _U_, register u_int len,
+               const u_char * pptr _U_, u_int len,
                uint16_t op_msk _U_, int indent _U_)
 {
        u_int dlen = len - TLV_HDRL;
 
        if (dlen < 4) {         /* at least 32 bits must exist */
-               ND_PRINT((ndo, "truncated TLV: %d bytes missing! ", 4 - dlen));
+               ND_PRINT("truncated TLV: %u bytes missing! ", 4 - dlen);
                return -1;
        }
        return 0;
@@ -1344,35 +1303,30 @@ gentltlv_print(netdissect_options *ndo,
 
 static int
 print_metailv(netdissect_options *ndo,
-              register const u_char * pptr, uint16_t op_msk _U_, int indent)
+              const struct forces_ilv * ilv, uint16_t op_msk _U_,
+              const int indent)
 {
        u_int rlen;
        char *ib = indent_pr(indent, 0);
        /* XXX: check header length */
-       const struct forces_ilv *ilv = (const struct forces_ilv *)pptr;
 
        /*
         * print_metatlv() has ensured that len (what remains in the
         * ILV) >= ILV_HDRL.
         */
-       rlen = EXTRACT_32BITS(&ilv->length) - ILV_HDRL;
-       ND_TCHECK(*ilv);
-       ND_PRINT((ndo, "%sMetaID 0x%x length %d\n", ib, EXTRACT_32BITS(&ilv->type),
-              EXTRACT_32BITS(&ilv->length)));
+       rlen = GET_BE_U_4(ilv->length) - ILV_HDRL;
+       ND_PRINT("%sMetaID 0x%x length %u\n", ib, GET_BE_U_4(ilv->type),
+                 GET_BE_U_4(ilv->length));
        if (ndo->ndo_vflag >= 3) {
-               hex_print_with_offset(ndo, "\t\t[", ILV_DATA(ilv), rlen, 0);
-               ND_PRINT((ndo, " ]\n"));
+               hex_print(ndo, "\t\t[", ILV_DATA(ilv), rlen);
+               ND_PRINT(" ]\n");
        }
        return 0;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
-       return -1;
 }
 
 static int
 print_metatlv(netdissect_options *ndo,
-              register const u_char * pptr, register u_int len,
+              const u_char * pptr, u_int len,
               uint16_t op_msk _U_, int indent)
 {
        u_int dlen;
@@ -1387,10 +1341,9 @@ print_metatlv(netdissect_options *ndo,
         */
        dlen = len - TLV_HDRL;
        rlen = dlen;
-       ND_PRINT((ndo, "\n%s METADATA length %d \n", ib, rlen));
+       ND_PRINT("\n%s METADATA length %u\n", ib, rlen);
        while (rlen != 0) {
-               ND_TCHECK(*ilv);
-               invilv = ilv_valid(ilv, rlen);
+               invilv = ilv_valid(ndo, ilv, rlen);
                if (invilv) {
                        break;
                }
@@ -1400,22 +1353,18 @@ print_metatlv(netdissect_options *ndo,
                 * length is large enough but not too large (it doesn't
                 * go past the end of the containing TLV).
                 */
-               print_metailv(ndo, (const u_char *) ilv, 0, indent + 1);
+               print_metailv(ndo, ilv, 0, indent + 1);
                ilv = GO_NXT_ILV(ilv, rlen);
        }
 
        return 0;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
-       return -1;
 }
 
 
 static int
 print_reddata(netdissect_options *ndo,
-              register const u_char * pptr, register u_int len,
-              uint16_t op_msk _U_, int indent _U_)
+              const u_char * pptr, u_int len,
+              uint16_t op_msk _U_, int indent)
 {
        u_int dlen;
        char *ib = indent_pr(indent, 0);
@@ -1423,12 +1372,12 @@ print_reddata(netdissect_options *ndo,
 
        dlen = len - TLV_HDRL;
        rlen = dlen;
-       ND_PRINT((ndo, "\n%s Redirect Data length %d \n", ib, rlen));
+       ND_PRINT("\n%s Redirect Data length %u\n", ib, rlen);
 
        if (ndo->ndo_vflag >= 3) {
-               ND_PRINT((ndo, "\t\t["));
-               hex_print_with_offset(ndo, "\n\t\t", pptr, rlen, 0);
-               ND_PRINT((ndo, "\n\t\t]"));
+               ND_PRINT("\t\t[");
+               hex_print(ndo, "\n\t\t", pptr, rlen);
+               ND_PRINT("\n\t\t]");
        }
 
        return 0;
@@ -1436,7 +1385,7 @@ print_reddata(netdissect_options *ndo,
 
 static int
 redirect_print(netdissect_options *ndo,
-               register const u_char * pptr, register u_int len,
+               const u_char * pptr, u_int len,
                uint16_t op_msk _U_, int indent)
 {
        const struct forces_tlv *tlv = (const struct forces_tlv *)pptr;
@@ -1450,18 +1399,21 @@ redirect_print(netdissect_options *ndo,
         */
        dlen = len - TLV_HDRL;
        if (dlen <= RD_MIN) {
-               ND_PRINT((ndo, "\n\t\ttruncated Redirect TLV: %d bytes missing! ",
-                      RD_MIN - dlen));
-               return -1;
+               ND_PRINT("\n\t\ttruncated Redirect TLV: %u bytes missing! ",
+                      RD_MIN - dlen);
+               goto invalid;
        }
 
        rlen = dlen;
        indent += 1;
        while (rlen != 0) {
-               ND_TCHECK(*tlv);
-               invtlv = tlv_valid(tlv, rlen);
+               uint16_t type, tlvl;
+
+               type = GET_BE_U_2(tlv->type);
+               tlvl = GET_BE_U_2(tlv->length);
+               invtlv = tlv_valid(tlvl, rlen);
                if (invtlv) {
-                       ND_PRINT((ndo, "Bad Redirect data\n"));
+                       ND_PRINT("Bad Redirect data\n");
                        break;
                }
 
@@ -1470,33 +1422,32 @@ redirect_print(netdissect_options *ndo,
                 * length is large enough but not too large (it doesn't
                 * go past the end of the containing TLV).
                 */
-               if (EXTRACT_16BITS(&tlv->type) == F_TLV_METD) {
-                       print_metatlv(ndo, (const u_char *) TLV_DATA(tlv),
-                                     EXTRACT_16BITS(&tlv->length), 0, indent);
-               } else if ((EXTRACT_16BITS(&tlv->type) == F_TLV_REDD)) {
-                       print_reddata(ndo, (const u_char *) TLV_DATA(tlv),
-                                     EXTRACT_16BITS(&tlv->length), 0, indent);
+               if (type == F_TLV_METD) {
+                       print_metatlv(ndo, TLV_DATA(tlv),
+                                     tlvl, 0,
+                                     indent);
+               } else if (type == F_TLV_REDD) {
+                       print_reddata(ndo, TLV_DATA(tlv),
+                                     tlvl, 0,
+                                     indent);
                } else {
-                       ND_PRINT((ndo, "Unknown REDIRECT TLV 0x%x len %d\n",
-                              EXTRACT_16BITS(&tlv->type),
-                              EXTRACT_16BITS(&tlv->length)));
+                       ND_PRINT("Unknown REDIRECT TLV 0x%x len %u\n",
+                              type,
+                              tlvl);
                }
 
                tlv = GO_NXT_TLV(tlv, rlen);
        }
 
        if (rlen) {
-               ND_PRINT((ndo,
-                         "\n\t\tMessy Redirect TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
-                         EXTRACT_16BITS(&tlv->type),
-                         rlen - EXTRACT_16BITS(&tlv->length)));
-               return -1;
+               ND_PRINT("\n\t\tMessy Redirect TLV header, type (0x%x)\n\t\texcess of %u Bytes ",
+                         GET_BE_U_2(tlv->type),
+                         rlen - GET_BE_U_2(tlv->length));
+               goto invalid;
        }
 
        return 0;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
@@ -1505,7 +1456,7 @@ trunc:
 
 static int
 lfbselect_print(netdissect_options *ndo,
-                register const u_char * pptr, register u_int len,
+                const u_char * pptr, u_int len,
                 uint16_t op_msk, int indent)
 {
        const struct forces_lfbsh *lfbs;
@@ -1521,9 +1472,9 @@ lfbselect_print(netdissect_options *ndo,
         */
        dlen = len - TLV_HDRL;
        if (dlen <= OP_MIN) {   /* id, instance, oper tlv header .. */
-               ND_PRINT((ndo, "\n\t\ttruncated lfb selector: %d bytes missing! ",
-                      OP_MIN - dlen));
-               return -1;
+               ND_PRINT("\n\t\tundersized lfb selector: %u bytes missing! ",
+                      OP_MIN - dlen);
+               goto invalid;
        }
 
        /*
@@ -1533,20 +1484,24 @@ lfbselect_print(netdissect_options *ndo,
        rlen = dlen - OP_OFF;
 
        lfbs = (const struct forces_lfbsh *)pptr;
-       ND_TCHECK(*lfbs);
+       ND_TCHECK_SIZE(lfbs);
        if (ndo->ndo_vflag >= 3) {
-               ND_PRINT((ndo, "\n%s%s(Classid %x) instance %x\n",
-                      ib, tok2str(ForCES_LFBs, NULL, EXTRACT_32BITS(&lfbs->class)),
-                      EXTRACT_32BITS(&lfbs->class),
-                      EXTRACT_32BITS(&lfbs->instance)));
+               ND_PRINT("\n%s%s(Classid %x) instance %x\n",
+                      ib,
+                      tok2str(ForCES_LFBs, NULL, GET_BE_U_4(lfbs->class)),
+                      GET_BE_U_4(lfbs->class),
+                      GET_BE_U_4(lfbs->instance));
        }
 
        otlv = (const struct forces_tlv *)(lfbs + 1);
 
        indent += 1;
        while (rlen != 0) {
-               ND_TCHECK(*otlv);
-               invtlv = tlv_valid(otlv, rlen);
+               uint16_t type, tlvl;
+
+               type = GET_BE_U_2(otlv->type);
+               tlvl = GET_BE_U_2(otlv->length);
+               invtlv = tlv_valid(tlvl, rlen);
                if (invtlv)
                        break;
 
@@ -1555,43 +1510,41 @@ lfbselect_print(netdissect_options *ndo,
                 * length is large enough but not too large (it doesn't
                 * go past the end of the containing TLV).
                 */
-               if (op_valid(EXTRACT_16BITS(&otlv->type), op_msk)) {
+               if (op_valid(type, op_msk)) {
                        otlv_print(ndo, otlv, 0, indent);
                } else {
                        if (ndo->ndo_vflag < 3)
-                               ND_PRINT((ndo, "\n"));
-                       ND_PRINT((ndo,
-                                 "\t\tINValid oper-TLV type 0x%x length %d for this ForCES message\n",
-                                 EXTRACT_16BITS(&otlv->type), EXTRACT_16BITS(&otlv->length)));
+                               ND_PRINT("\n");
+                       ND_PRINT("\t\tINValid oper-TLV type 0x%x length %u for this ForCES message\n",
+                                 type, tlvl);
                        invoptlv_print(ndo, (const u_char *)otlv, rlen, 0, indent);
                }
                otlv = GO_NXT_TLV(otlv, rlen);
        }
 
        if (rlen) {
-               ND_PRINT((ndo,
-                         "\n\t\tMessy oper TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
-                         EXTRACT_16BITS(&otlv->type), rlen - EXTRACT_16BITS(&otlv->length)));
-               return -1;
+               ND_PRINT("\n\t\tMessy oper TLV header, type (0x%x)\n\t\texcess of %u Bytes ",
+                         GET_BE_U_2(otlv->type),
+                         rlen - GET_BE_U_2(otlv->length));
+               goto invalid;
        }
 
        return 0;
 
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 static int
 forces_type_print(netdissect_options *ndo,
-                  register const u_char * pptr, const struct forcesh *fhdr _U_,
-                  register u_int mlen, const struct tom_h *tops)
+                  const u_char * pptr, const struct forcesh *fhdr _U_,
+                  u_int mlen, const struct tom_h *tops)
 {
        const struct forces_tlv *tltlv;
        u_int rlen;
        u_int invtlv;
        int rc = 0;
-       int ttlv = 0;
+       u_int ttlv = 0;
 
        /*
         * forces_print() has already checked that mlen >= ForCES_HDRL
@@ -1601,15 +1554,15 @@ forces_type_print(netdissect_options *ndo,
 
        if (rlen > TLV_HLN) {
                if (tops->flags & ZERO_TTLV) {
-                       ND_PRINT((ndo, "<0x%x>Illegal Top level TLV!\n", tops->flags));
-                       return -1;
+                       ND_PRINT("<0x%x>Illegal Top level TLV!\n", tops->flags);
+                       goto invalid;
                }
        } else {
                if (tops->flags & ZERO_MORE_TTLV)
                        return 0;
                if (tops->flags & ONE_MORE_TTLV) {
-                       ND_PRINT((ndo, "\tTop level TLV Data missing!\n"));
-                       return -1;
+                       ND_PRINT("\tTop level TLV Data missing!\n");
+                       goto invalid;
                }
        }
 
@@ -1623,8 +1576,11 @@ forces_type_print(netdissect_options *ndo,
        /*XXX: 15 top level tlvs will probably be fine
           You are nuts if you send more ;-> */
        while (rlen != 0) {
-               ND_TCHECK(*tltlv);
-               invtlv = tlv_valid(tltlv, rlen);
+               uint16_t type, tlvl;
+
+               type = GET_BE_U_2(tltlv->type);
+               tlvl = GET_BE_U_2(tltlv->length);
+               invtlv = tlv_valid(tlvl, rlen);
                if (invtlv)
                        break;
 
@@ -1633,23 +1589,22 @@ forces_type_print(netdissect_options *ndo,
                 * length is large enough but not too large (it doesn't
                 * go past the end of the packet).
                 */
-               if (!ttlv_valid(EXTRACT_16BITS(&tltlv->type))) {
-                       ND_PRINT((ndo, "\n\tInvalid ForCES Top TLV type=0x%x",
-                              EXTRACT_16BITS(&tltlv->type)));
-                       return -1;
+               if (!ttlv_valid(type)) {
+                       ND_PRINT("\n\tInvalid ForCES Top TLV type=0x%x",
+                              type);
+                       goto invalid;
                }
 
                if (ndo->ndo_vflag >= 3)
-                       ND_PRINT((ndo, "\t%s, length %d (data length %d Bytes)",
-                              tok2str(ForCES_TLV, NULL, EXTRACT_16BITS(&tltlv->type)),
-                              EXTRACT_16BITS(&tltlv->length),
-                              EXTRACT_16BITS(&tltlv->length) - TLV_HDRL));
-
-               rc = tops->print(ndo, (const u_char *) TLV_DATA(tltlv),
-                                EXTRACT_16BITS(&tltlv->length), tops->op_msk, 9);
-               if (rc < 0) {
-                       return -1;
-               }
+                       ND_PRINT("\t%s, length %u (data length %u Bytes)",
+                              tok2str(ForCES_TLV, NULL, type),
+                              tlvl,
+                              tlvl - TLV_HDRL);
+
+               rc = tops->print(ndo, TLV_DATA(tltlv),
+                                tlvl,
+                                tops->op_msk, 9);
+               ND_ICHECK_U(rc, <, 0);
                tltlv = GO_NXT_TLV(tltlv, rlen);
                ttlv--;
                if (ttlv <= 0)
@@ -1660,66 +1615,63 @@ forces_type_print(netdissect_options *ndo,
         * short, and didn't have *enough* TLVs in it?
         */
        if (rlen) {
-               ND_PRINT((ndo, "\tMess TopTLV header: min %u, total %d advertised %d ",
-                      TLV_HDRL, rlen, EXTRACT_16BITS(&tltlv->length)));
-               return -1;
+               ND_PRINT("\tMess TopTLV header: min %u, total %u advertised %u ",
+                      TLV_HDRL, rlen, GET_BE_U_2(tltlv->length));
+               goto invalid;
        }
 
        return 0;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
        return -1;
 }
 
 void
 forces_print(netdissect_options *ndo,
-             register const u_char * pptr, register u_int len)
+             const u_char * pptr, u_int len)
 {
        const struct forcesh *fhdr;
        u_int mlen;
        uint32_t flg_raw;
+       uint8_t tom;
        const struct tom_h *tops;
        int rc = 0;
 
+       ndo->ndo_protocol = "forces";
        fhdr = (const struct forcesh *)pptr;
-       ND_TCHECK(*fhdr);
-       if (!tom_valid(fhdr->fm_tom)) {
-               ND_PRINT((ndo, "Invalid ForCES message type %d\n", fhdr->fm_tom));
-               goto error;
+       ND_TCHECK_SIZE(fhdr);
+       tom = GET_U_1(fhdr->fm_tom);
+       if (!tom_valid(tom)) {
+               ND_PRINT("Invalid ForCES message type %u\n", tom);
+               goto invalid;
        }
 
        mlen = ForCES_BLN(fhdr);
 
-       tops = get_forces_tom(fhdr->fm_tom);
+       tops = get_forces_tom(tom);
        if (tops->v == TOM_RSVD) {
-               ND_PRINT((ndo, "\n\tUnknown ForCES message type=0x%x", fhdr->fm_tom));
-               goto error;
+               ND_PRINT("\n\tUnknown ForCES message type=0x%x", tom);
+               goto invalid;
        }
 
-       ND_PRINT((ndo, "\n\tForCES %s ", tops->s));
+       ND_PRINT("\n\tForCES %s ", tops->s);
        if (!ForCES_HLN_VALID(mlen, len)) {
-               ND_PRINT((ndo,
-                         "Illegal ForCES pkt len - min %u, total recvd %d, advertised %d ",
-                         ForCES_HDRL, len, ForCES_BLN(fhdr)));
-               goto error;
+               ND_PRINT("Illegal ForCES pkt len - min %u, total recvd %u, advertised %u ",
+                         ForCES_HDRL, len, ForCES_BLN(fhdr));
+               goto invalid;
        }
 
-       ND_TCHECK2(*(pptr + 20), 4);
-       flg_raw = EXTRACT_32BITS(pptr + 20);
+       flg_raw = GET_BE_U_4(pptr + 20);
        if (ndo->ndo_vflag >= 1) {
-               ND_PRINT((ndo, "\n\tForCES Version %d len %uB flags 0x%08x ",
-                      ForCES_V(fhdr), mlen, flg_raw));
-               ND_PRINT((ndo,
-                      "\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIx64,
+               ND_PRINT("\n\tForCES Version %u len %uB flags 0x%08x ",
+                      ForCES_V(fhdr), mlen, flg_raw);
+               ND_PRINT("\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIx64,
                       ForCES_SID(fhdr), ForCES_node(ForCES_SID(fhdr)),
                       ForCES_DID(fhdr), ForCES_node(ForCES_DID(fhdr)),
-                      EXTRACT_64BITS(fhdr->fm_cor)));
+                      GET_BE_U_8(fhdr->fm_cor));
 
        }
        if (ndo->ndo_vflag >= 2) {
-               ND_PRINT((ndo,
-                    "\n\tForCES flags:\n\t  %s(0x%x), prio=%d, %s(0x%x),\n\t  %s(0x%x), %s(0x%x)\n",
+               ND_PRINT("\n\tForCES flags:\n\t  %s(0x%x), prio=%u, %s(0x%x),\n\t  %s(0x%x), %s(0x%x)\n",
                     tok2str(ForCES_ACKs, "ACKUnknown", ForCES_ACK(fhdr)),
                     ForCES_ACK(fhdr),
                     ForCES_PRI(fhdr),
@@ -1728,33 +1680,19 @@ forces_print(netdissect_options *ndo,
                     tok2str(ForCES_ATs, "ATUnknown", ForCES_AT(fhdr)),
                     ForCES_AT(fhdr),
                     tok2str(ForCES_TPs, "TPUnknown", ForCES_TP(fhdr)),
-                    ForCES_TP(fhdr)));
-               ND_PRINT((ndo,
-                    "\t  Extra flags: rsv(b5-7) 0x%x rsv(b13-31) 0x%x\n",
-                    ForCES_RS1(fhdr), ForCES_RS2(fhdr)));
+                    ForCES_TP(fhdr));
+               ND_PRINT("\t  Extra flags: rsv(b5-7) 0x%x rsv(b13-31) 0x%x\n",
+                    ForCES_RS1(fhdr), ForCES_RS2(fhdr));
        }
        rc = forces_type_print(ndo, pptr, fhdr, mlen, tops);
-       if (rc < 0) {
-error:
-               hex_print_with_offset(ndo, "\n\t[", pptr, len, 0);
-               ND_PRINT((ndo, "\n\t]"));
-               return;
-       }
+       ND_ICHECK_U(rc, <, 0);
 
        if (ndo->ndo_vflag >= 4) {
-               ND_PRINT((ndo, "\n\t  Raw ForCES message\n\t ["));
-               hex_print_with_offset(ndo, "\n\t ", pptr, len, 0);
-               ND_PRINT((ndo, "\n\t ]"));
+               ND_PRINT("\n\t  Raw ForCES message\n\t [");
+               hex_print(ndo, "\n\t ", pptr, len);
+               ND_PRINT("\n\t ]");
        }
-       ND_PRINT((ndo, "\n"));
        return;
-
-trunc:
-       ND_PRINT((ndo, "%s", tstr));
+invalid:
+       nd_print_invalid(ndo);
 }
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */