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 * 3. 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
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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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29 * @(#)getprotoname.c 8.1 (Berkeley) 6/4/93
30 * $FreeBSD: src/lib/libc/net/getprotoname.c,v 1.7 2007/01/09 00:28:02 imp Exp $
36 #include "netdb_private.h"
42 static const ns_src defaultsrc[] = {
43 { NSSRC_FILES, NS_SUCCESS },
48 extern int __proto_id_func(char *, size_t *, va_list, void *);
49 extern int __proto_marshal_func(char *, size_t *, void *, va_list, void *);
50 extern int __proto_unmarshal_func(char *, size_t, void *, va_list, void *);
54 files_getprotobyname(void *retval, void *mdata __unused, va_list ap)
57 struct protoent_data *ped;
62 struct protoent *pptr;
67 name = va_arg(ap, char *);
68 pptr = va_arg(ap, struct protoent *);
69 buffer = va_arg(ap, char *);
70 buflen = va_arg(ap, size_t);
71 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 (strcmp(pe.p_name, name) == 0)
83 for (cp = pe.p_aliases; *cp != NULL; cp++)
84 if (strcmp(*cp, name) == 0)
94 if (__copy_protoent(&pe, pptr, buffer, buflen) != 0) {
99 *((struct protoent **)retval) = pptr;
105 getprotobyname_r(const char *name, struct protoent *pptr, char *buffer,
106 size_t buflen, struct protoent **result)
109 static const nss_cache_info cache_info =
110 NS_COMMON_CACHE_INFO_INITIALIZER(
111 protocols, (void *)nss_lt_name,
112 __proto_id_func, __proto_marshal_func, __proto_unmarshal_func);
114 static const ns_dtab dtab[] = {
115 { NSSRC_FILES, files_getprotobyname, NULL },
117 NS_CACHE_CB(&cache_info)
125 rv = nsdispatch(result, dtab, NSDB_PROTOCOLS, "getprotobyname_r",
126 defaultsrc, name, pptr, buffer, buflen, &ret_errno);
128 if (rv == NS_SUCCESS)
135 getprotobyname(const char *name)
137 struct protodata *pd;
138 struct protoent *rval;
140 if ((pd = __protodata_init()) == NULL)
142 if (getprotobyname_r(name, &pd->proto, pd->data, sizeof(pd->data),