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
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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("$FreeBSD$");
38 #include "netdb_private.h"
44 static const ns_src defaultsrc[] = {
45 { NSSRC_FILES, NS_SUCCESS },
50 extern int __proto_id_func(char *, size_t *, va_list, void *);
51 extern int __proto_marshal_func(char *, size_t *, void *, va_list, void *);
52 extern int __proto_unmarshal_func(char *, size_t, void *, va_list, void *);
56 files_getprotobynumber(void *retval, void *mdata, va_list ap)
59 struct protoent_data *ped;
63 struct protoent *pptr;
68 number = va_arg(ap, int);
69 pptr = va_arg(ap, struct protoent *);
70 buffer = va_arg(ap, char *);
71 buflen = va_arg(ap, size_t);
72 errnop = va_arg(ap, int *);
74 if ((ped = __protoent_data_init()) == NULL) {
79 __setprotoent_p(ped->stayopen, ped);
80 while ((error = __getprotoent_p(&pe, ped)) == 0)
81 if (pe.p_proto == number)
89 if (__copy_protoent(&pe, pptr, buffer, buflen) != 0) {
94 *((struct protoent **)retval) = pptr;
99 getprotobynumber_r(int proto, struct protoent *pptr, char *buffer,
100 size_t buflen, struct protoent **result)
103 static const nss_cache_info cache_info =
104 NS_COMMON_CACHE_INFO_INITIALIZER(
105 protocols, (void *)nss_lt_id,
106 __proto_id_func, __proto_marshal_func, __proto_unmarshal_func);
109 static const ns_dtab dtab[] = {
110 { NSSRC_FILES, files_getprotobynumber, NULL },
112 NS_CACHE_CB(&cache_info)
120 rv = nsdispatch(result, dtab, NSDB_PROTOCOLS, "getprotobynumber_r",
121 defaultsrc, proto, pptr, buffer, buflen, &ret_errno);
123 if (rv == NS_SUCCESS)
130 getprotobynumber(int proto)
132 struct protodata *pd;
133 struct protoent *rval;
135 if ((pd = __protodata_init()) == NULL)
137 if (getprotobynumber_r(proto, &pd->proto, pd->data, sizeof(pd->data),