2 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (c) 1996,1999 by Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
15 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #if !defined(LINT) && !defined(CODECENTER)
19 static const char rcsid[] = "$Id: getprotoent.c,v 1.2.2.1 2004/03/09 09:17:30 marka Exp $";
24 #include "port_before.h"
26 #if !defined(__BIND_NOSTATIC)
28 #include <sys/types.h>
30 #include <netinet/in.h>
31 #include <arpa/nameser.h>
40 #include "port_after.h"
46 static struct net_data *init(void);
52 struct net_data *net_data = init();
54 return (getprotoent_p(net_data));
58 getprotobyname(const char *name) {
59 struct net_data *net_data = init();
61 return (getprotobyname_p(name, net_data));
65 getprotobynumber(int proto) {
66 struct net_data *net_data = init();
68 return (getprotobynumber_p(proto, net_data));
72 setprotoent(int stayopen) {
73 struct net_data *net_data = init();
75 setprotoent_p(stayopen, net_data);
80 struct net_data *net_data = init();
82 endprotoent_p(net_data);
88 getprotoent_p(struct net_data *net_data) {
91 if (!net_data || !(pr = net_data->pr))
93 net_data->pr_last = (*pr->next)(pr);
94 return (net_data->pr_last);
98 getprotobyname_p(const char *name, struct net_data *net_data) {
102 if (!net_data || !(pr = net_data->pr))
104 if (net_data->pr_stayopen && net_data->pr_last) {
105 if (!strcmp(net_data->pr_last->p_name, name))
106 return (net_data->pr_last);
107 for (pap = net_data->pr_last->p_aliases; pap && *pap; pap++)
108 if (!strcmp(name, *pap))
109 return (net_data->pr_last);
111 net_data->pr_last = (*pr->byname)(pr, name);
112 if (!net_data->pr_stayopen)
114 return (net_data->pr_last);
118 getprotobynumber_p(int proto, struct net_data *net_data) {
121 if (!net_data || !(pr = net_data->pr))
123 if (net_data->pr_stayopen && net_data->pr_last)
124 if (net_data->pr_last->p_proto == proto)
125 return (net_data->pr_last);
126 net_data->pr_last = (*pr->bynumber)(pr, proto);
127 if (!net_data->pr_stayopen)
129 return (net_data->pr_last);
133 setprotoent_p(int stayopen, struct net_data *net_data) {
136 if (!net_data || !(pr = net_data->pr))
139 net_data->pr_stayopen = (stayopen != 0);
141 net_data_minimize(net_data);
145 endprotoent_p(struct net_data *net_data) {
148 if ((net_data != NULL) && ((pr = net_data->pr) != NULL))
154 static struct net_data *
156 struct net_data *net_data;
158 if (!(net_data = net_data_init(NULL)))
161 net_data->pr = (*net_data->irs->pr_map)(net_data->irs);
163 if (!net_data->pr || !net_data->res) {
168 (*net_data->pr->res_set)(net_data->pr, net_data->res, NULL);
174 #endif /*__BIND_NOSTATIC*/