2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #if defined(LIBC_SCCS) && !defined(lint)
31 static char sccsid[] = "@(#)getproto.c 8.1 (Berkeley) 6/4/93";
32 #endif /* LIBC_SCCS and not lint */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
39 #include "netdb_private.h"
45 static const ns_src defaultsrc[] = {
46 { NSSRC_FILES, NS_SUCCESS },
51 files_getprotobynumber(void *retval, void *mdata, va_list ap)
54 struct protoent_data *ped;
58 struct protoent *pptr;
63 number = va_arg(ap, int);
64 pptr = va_arg(ap, struct protoent *);
65 buffer = va_arg(ap, char *);
66 buflen = va_arg(ap, size_t);
67 errnop = va_arg(ap, int *);
69 if ((ped = __protoent_data_init()) == NULL) {
74 __setprotoent_p(ped->stayopen, ped);
75 while ((error = __getprotoent_p(&pe, ped)) == 0)
76 if (pe.p_proto == number)
84 if (__copy_protoent(&pe, pptr, buffer, buflen) != 0) {
89 *((struct protoent **)retval) = pptr;
94 getprotobynumber_r(int proto, struct protoent *pptr, char *buffer,
95 size_t buflen, struct protoent **result)
98 static const nss_cache_info cache_info =
99 NS_COMMON_CACHE_INFO_INITIALIZER(
100 protocols, (void *)nss_lt_id,
101 __proto_id_func, __proto_marshal_func, __proto_unmarshal_func);
104 static const ns_dtab dtab[] = {
105 { NSSRC_FILES, files_getprotobynumber, NULL },
107 NS_CACHE_CB(&cache_info)
115 rv = nsdispatch(result, dtab, NSDB_PROTOCOLS, "getprotobynumber_r",
116 defaultsrc, proto, pptr, buffer, buflen, &ret_errno);
118 if (rv != NS_SUCCESS) {
126 getprotobynumber(int proto)
128 struct protodata *pd;
129 struct protoent *rval;
131 if ((pd = __protodata_init()) == NULL)
133 if (getprotobynumber_r(proto, &pd->proto, pd->data, sizeof(pd->data),