Fix a bunch of de-constifications.

[tcpdump] / print-icmp.c

diff --git a/print-icmp.c b/print-icmp.c
index 59eb007707e0eba1f35eaba9733142e820c70400..1c92d032e70e7d2ce7593a5f07ef7c19631f697a 100644 (file)
--- a/print-icmp.c
+++ b/print-icmp.c
@@ -19,7 +19,6 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-#define NETDISSECT_REWORKED
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -344,9 +343,9 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
        char buf[MAXHOSTNAMELEN + 100];
        struct cksum_vec vec[1];
 
-       dp = (struct icmp *)bp;
-        ext_dp = (struct icmp_ext_t *)bp;
-       ip = (struct ip *)bp2;
+       dp = (const struct icmp *)bp;
+        ext_dp = (const struct icmp_ext_t *)bp;
+       ip = (const struct ip *)bp2;
        str = buf;
 
        ND_TCHECK(dp->icmp_code);
@@ -378,7 +377,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                        ND_TCHECK(dp->icmp_ip.ip_p);
                        oip = &dp->icmp_ip;
                        hlen = IP_HL(oip) * 4;
-                       ouh = (struct udphdr *)(((u_char *)oip) + hlen);
+                       ouh = (const struct udphdr *)(((const u_char *)oip) + hlen);
                        ND_TCHECK(ouh->uh_dport);
                        dport = EXTRACT_16BITS(&ouh->uh_dport);
                        switch (oip->ip_p) {
@@ -409,7 +408,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                case ICMP_UNREACH_NEEDFRAG:
                    {
                        register const struct mtu_discovery *mp;
-                       mp = (struct mtu_discovery *)(u_char *)&dp->icmp_void;
+                       mp = (const struct mtu_discovery *)(const u_char *)&dp->icmp_void;
                        mtu = EXTRACT_16BITS(&mp->nexthopmtu);
                        if (mtu) {
                                (void)snprintf(buf, sizeof(buf),
@@ -450,7 +449,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                (void)snprintf(buf, sizeof(buf), "router advertisement");
                cp = buf + strlen(buf);
 
-               ihp = (struct ih_rdiscovery *)&dp->icmp_void;
+               ihp = (const struct ih_rdiscovery *)&dp->icmp_void;
                ND_TCHECK(*ihp);
                (void)strncpy(cp, " lifetime ", sizeof(buf) - (cp - buf));
                cp = buf + strlen(buf);
@@ -559,7 +558,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                uint16_t sum, icmp_sum;
                struct cksum_vec vec[1];
                if (ND_TTEST2(*bp, plen)) {
-                       vec[0].ptr = (const uint8_t *)(void *)dp;
+                       vec[0].ptr = (const uint8_t *)(const void *)dp;
                        vec[0].len = plen;
                        sum = in_cksum(vec, 1);
                        if (sum != 0) {
@@ -578,7 +577,7 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
        if (ndo->ndo_vflag >= 1 && ICMP_ERRTYPE(dp->icmp_type)) {
                bp += 8;
                ND_PRINT((ndo, "\n\t"));
-               ip = (struct ip *)bp;
+               ip = (const struct ip *)bp;
                ndo->ndo_snaplen = ndo->ndo_snapend - bp;
                 snapend_save = ndo->ndo_snapend;
                ip_print(ndo, bp, EXTRACT_16BITS(&ip->ip_len));
@@ -627,11 +626,11 @@ icmp_print(netdissect_options *ndo, const u_char *bp, u_int plen, const u_char *
                    hlen));
 
             hlen -= 4; /* subtract common header size */
-            obj_tptr = (uint8_t *)ext_dp->icmp_ext_data;
+            obj_tptr = (const uint8_t *)ext_dp->icmp_ext_data;
 
             while (hlen > sizeof(struct icmp_mpls_ext_object_header_t)) {
 
-                icmp_mpls_ext_object_header = (struct icmp_mpls_ext_object_header_t *)obj_tptr;
+                icmp_mpls_ext_object_header = (const struct icmp_mpls_ext_object_header_t *)obj_tptr;
                 ND_TCHECK(*icmp_mpls_ext_object_header);
                 obj_tlen = EXTRACT_16BITS(icmp_mpls_ext_object_header->length);
                 obj_class_num = icmp_mpls_ext_object_header->class_num;