Use a table instead of getprotobynumber().

[tcpdump] / print-cnfp.c

diff --git a/print-cnfp.c b/print-cnfp.c
index bd9b8a6586fd1c534c2becb76529c85085a6fdbe..7e7d835cedde741cdf61986f6678c58f441d068d 100644 (file)
--- a/print-cnfp.c
+++ b/print-cnfp.c
@@ -159,7 +159,7 @@ cnfp_v1_print(netdissect_options *ndo, const u_char *cp)
 {
        register const struct nfhdr_v1 *nh;
        register const struct nfrec_v1 *nr;
-       struct protoent *pent;
+       const char *p_name;
        int nrecs, ver;
 #if 0
        time_t t;
@@ -211,13 +211,13 @@ cnfp_v1_print(netdissect_options *ndo, const u_char *cp)
 
                ND_PRINT((ndo, ">> %s\n    ", intoa(nr->nhop_ina.s_addr)));
 
-               if (!ndo->ndo_nflag && (pent = getprotobynumber(nr->proto)) != NULL)
-                       ND_PRINT((ndo, "%s ", pent->p_name));
+               if (!ndo->ndo_nflag && (p_name = netdb_protoname(nr->proto)) != NULL)
+                       ND_PRINT((ndo, "%s ", p_name));
                else
                        ND_PRINT((ndo, "%u ", nr->proto));
 
                /* tcp flags for tcp only */
-               if (pent && pent->p_proto == IPPROTO_TCP) {
+               if (nr->proto == IPPROTO_TCP) {
                        int flags;
                        flags = nr->tcp_flags;
                        ND_PRINT((ndo, "%s%s%s%s%s%s%s",
@@ -248,7 +248,7 @@ cnfp_v5_print(netdissect_options *ndo, const u_char *cp)
 {
        register const struct nfhdr_v5 *nh;
        register const struct nfrec_v5 *nr;
-       struct protoent *pent;
+       const char *p_name;
        int nrecs, ver;
 #if 0
        time_t t;
@@ -307,13 +307,13 @@ cnfp_v5_print(netdissect_options *ndo, const u_char *cp)
 
                ND_PRINT((ndo, ">> %s\n    ", intoa(nr->nhop_ina.s_addr)));
 
-               if (!ndo->ndo_nflag && (pent = getprotobynumber(nr->proto)) != NULL)
-                       ND_PRINT((ndo, "%s ", pent->p_name));
+               if (!ndo->ndo_nflag && (p_name = netdb_protoname(nr->proto)) != NULL)
+                       ND_PRINT((ndo, "%s ", p_name));
                else
                        ND_PRINT((ndo, "%u ", nr->proto));
 
                /* tcp flags for tcp only */
-               if (pent && pent->p_proto == IPPROTO_TCP) {
+               if (nr->proto == IPPROTO_TCP) {
                        int flags;
                        flags = nr->tcp_flags;
                        ND_PRINT((ndo, "%s%s%s%s%s%s%s",
@@ -344,7 +344,7 @@ cnfp_v6_print(netdissect_options *ndo, const u_char *cp)
 {
        register const struct nfhdr_v6 *nh;
        register const struct nfrec_v6 *nr;
-       struct protoent *pent;
+       const char *p_name;
        int nrecs, ver;
 #if 0
        time_t t;
@@ -403,13 +403,13 @@ cnfp_v6_print(netdissect_options *ndo, const u_char *cp)
 
                ND_PRINT((ndo, ">> %s\n    ", intoa(nr->nhop_ina.s_addr)));
 
-               if (!ndo->ndo_nflag && (pent = getprotobynumber(nr->proto)) != NULL)
-                       ND_PRINT((ndo, "%s ", pent->p_name));
+               if (!ndo->ndo_nflag && (p_name = netdb_protoname(nr->proto)) != NULL)
+                       ND_PRINT((ndo, "%s ", p_name));
                else
                        ND_PRINT((ndo, "%u ", nr->proto));
 
                /* tcp flags for tcp only */
-               if (pent && pent->p_proto == IPPROTO_TCP) {
+               if (nr->proto == IPPROTO_TCP) {
                        int flags;
                        flags = nr->tcp_flags;
                        ND_PRINT((ndo, "%s%s%s%s%s%s%s",