Make another never-negative variable an unsigned.

[tcpdump] / print-pim.c

diff --git a/print-pim.c b/print-pim.c
index 1c1050b1dfc3b7d856881fdc6daf0d18ecc58e41..5ec9c0f78af20ea0032ead9267076bea97d8cbfa 100644 (file)
--- a/print-pim.c
+++ b/print-pim.c
@@ -19,18 +19,21 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
+/* \summary: Protocol Independent Multicast (PIM) printer */
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
-#include "interface.h"
+#include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"
 
 #include "ip.h"
 #include "ip6.h"
+#include "ipproto.h"
 
 #define PIMV1_TYPE_QUERY           0
 #define PIMV1_TYPE_REGISTER        1
@@ -534,12 +537,10 @@ pimv2_addr_print(netdissect_options *ndo,
                        af = AF_INET;
                        len = sizeof(struct in_addr);
                        break;
-#ifdef INET6
                case 2:
                        af = AF_INET6;
                        len = sizeof(struct in6_addr);
                        break;
-#endif
                default:
                        return -1;
                }
@@ -551,11 +552,9 @@ pimv2_addr_print(netdissect_options *ndo,
                case sizeof(struct in_addr):
                        af = AF_INET;
                        break;
-#ifdef INET6
                case sizeof(struct in6_addr):
                        af = AF_INET6;
                        break;
-#endif
                default:
                        return -1;
                        break;
@@ -572,12 +571,10 @@ pimv2_addr_print(netdissect_options *ndo,
                        if (!silent)
                                ND_PRINT((ndo, "%s", ipaddr_string(ndo, bp)));
                }
-#ifdef INET6
                else if (af == AF_INET6) {
                        if (!silent)
                                ND_PRINT((ndo, "%s", ip6addr_string(ndo, bp)));
                }
-#endif
                return hdrlen + len;
        case pimv2_group:
        case pimv2_source:
@@ -589,7 +586,6 @@ pimv2_addr_print(netdissect_options *ndo,
                                        ND_PRINT((ndo, "/%u", bp[1]));
                        }
                }
-#ifdef INET6
                else if (af == AF_INET6) {
                        if (!silent) {
                                ND_PRINT((ndo, "%s", ip6addr_string(ndo, bp + 2)));
@@ -597,7 +593,6 @@ pimv2_addr_print(netdissect_options *ndo,
                                        ND_PRINT((ndo, "/%u", bp[1]));
                        }
                }
-#endif
                if (bp[0] && !silent) {
                        if (at == pimv2_group) {
                                ND_PRINT((ndo, "(0x%02x)", bp[0]));
@@ -627,7 +622,7 @@ enum checksum_status {
 };
 
 static enum checksum_status
-pimv2_check_checksum(const u_char *bp, const u_char *bp2, u_int len)
+pimv2_check_checksum(netdissect_options *ndo, const u_char *bp, const u_char *bp2, u_int len)
 {
        const struct ip *ip;
        u_int cksum;
@@ -640,14 +635,12 @@ pimv2_check_checksum(const u_char *bp, const u_char *bp2, u_int len)
                vec[0].len = len;
                cksum = in_cksum(vec, 1);
                return (cksum ? INCORRECT : CORRECT);
-#ifdef INET6
        } else if (IP_V(ip) == 6) {
                const struct ip6_hdr *ip6;
 
                ip6 = (const struct ip6_hdr *)bp2;
-               cksum = nextproto6_cksum(ip6, bp, len, len, IPPROTO_PIM);
+               cksum = nextproto6_cksum(ndo, ip6, bp, len, len, IPPROTO_PIM);
                return (cksum ? INCORRECT : CORRECT);
-#endif
        } else {
                return (UNVERIFIED);
        }
@@ -681,7 +674,7 @@ pimv2_print(netdissect_options *ndo,
                         * The checksum only covers the packet header,
                         * not the encapsulated packet.
                         */
-                       cksum_status = pimv2_check_checksum(bp, bp2, 8);
+                       cksum_status = pimv2_check_checksum(ndo, bp, bp2, 8);
                        if (cksum_status == INCORRECT) {
                                /*
                                 * To quote RFC 4601, "For interoperability
@@ -689,13 +682,13 @@ pimv2_print(netdissect_options *ndo,
                                 * calculated over the entire PIM Register
                                 * message should also be accepted."
                                 */
-                               cksum_status = pimv2_check_checksum(bp, bp2, len);
+                               cksum_status = pimv2_check_checksum(ndo, bp, bp2, len);
                        }
                } else {
                        /*
                         * The checksum covers the entire packet.
                         */
-                       cksum_status = pimv2_check_checksum(bp, bp2, len);
+                       cksum_status = pimv2_check_checksum(ndo, bp, bp2, len);
                }
                switch (cksum_status) {