Default to first interface from pcap_findalldevs()

[tcpdump] / print-rt6.c

diff --git a/print-rt6.c b/print-rt6.c
index baa6945e4daf0ed8d63f583ba81bb3aaca3fa228..231f5ff4ce42150041aa5f4cc10225d38d20600f 100644 (file)
--- a/print-rt6.c
+++ b/print-rt6.c
@@ -23,15 +23,13 @@
 #include "config.h"
 #endif
 
-#ifdef INET6
-
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #include <string.h>
 
 #include "ip6.h"
 
-#include "interface.h"
+#include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"
 
@@ -45,7 +43,7 @@ rt6_print(netdissect_options *ndo, register const u_char *bp, const u_char *bp2
        register const struct in6_addr *addr;
        const struct in6_addr *last_addr = NULL;
 
-       dp = (struct ip6_rthdr *)bp;
+       dp = (const struct ip6_rthdr *)bp;
        len = dp->ip6r_len;
 
        /* 'ep' points to the end of available data. */
@@ -66,7 +64,7 @@ rt6_print(netdissect_options *ndo, register const u_char *bp, const u_char *bp2
 #endif
        case IPV6_RTHDR_TYPE_0:
        case IPV6_RTHDR_TYPE_2:                 /* Mobile IPv6 ID-20 */
-               dp0 = (struct ip6_rthdr0 *)dp;
+               dp0 = (const struct ip6_rthdr0 *)dp;
 
                ND_TCHECK(dp0->ip6r0_reserved);
                if (dp0->ip6r0_reserved || ndo->ndo_vflag) {
@@ -79,7 +77,7 @@ rt6_print(netdissect_options *ndo, register const u_char *bp, const u_char *bp2
                len >>= 1;
                addr = &dp0->ip6r0_addr[0];
                for (i = 0; i < len; i++) {
-                       if ((u_char *)(addr + 1) > ep)
+                       if ((const u_char *)(addr + 1) > ep)
                                goto trunc;
 
                        ND_PRINT((ndo, ", [%d]%s", i, ip6addr_string(ndo, addr)));
@@ -91,7 +89,7 @@ rt6_print(netdissect_options *ndo, register const u_char *bp, const u_char *bp2
                 * destination : the last address of the routing header
                 */
                if (last_addr != NULL) {
-                       struct ip6_hdr *ip6 = (struct ip6_hdr *)bp2;
+                       const struct ip6_hdr *ip6 = (const struct ip6_hdr *)bp2;
                        UNALIGNED_MEMCPY(&ip6->ip6_dst, last_addr, sizeof (struct in6_addr));
                }
                /*(*/
@@ -107,4 +105,3 @@ rt6_print(netdissect_options *ndo, register const u_char *bp, const u_char *bp2
        ND_PRINT((ndo, "[|srcrt]"));
        return -1;
 }
-#endif /* INET6 */