2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1983, 1993
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8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
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14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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32 #if defined(LIBC_SCCS) && !defined(lint)
33 static char sccsid[] = "@(#)getprotoname.c 8.1 (Berkeley) 6/4/93";
34 #endif /* LIBC_SCCS and not lint */
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
42 #include "netdb_private.h"
48 static const ns_src defaultsrc[] = {
49 { NSSRC_FILES, NS_SUCCESS },
54 extern int __proto_id_func(char *, size_t *, va_list, void *);
55 extern int __proto_marshal_func(char *, size_t *, void *, va_list, void *);
56 extern int __proto_unmarshal_func(char *, size_t, void *, va_list, void *);
60 files_getprotobyname(void *retval, void *mdata, va_list ap)
63 struct protoent_data *ped;
68 struct protoent *pptr;
73 name = va_arg(ap, char *);
74 pptr = va_arg(ap, struct protoent *);
75 buffer = va_arg(ap, char *);
76 buflen = va_arg(ap, size_t);
77 errnop = va_arg(ap, int *);
80 if ((ped = __protoent_data_init()) == NULL) {
85 __setprotoent_p(ped->stayopen, ped);
86 while ((error = __getprotoent_p(&pe, ped)) == 0) {
87 if (strcmp(pe.p_name, name) == 0)
89 for (cp = pe.p_aliases; *cp != 0; cp++)
90 if (strcmp(*cp, name) == 0)
100 if (__copy_protoent(&pe, pptr, buffer, buflen) != 0) {
105 *((struct protoent **)retval) = pptr;
111 getprotobyname_r(const char *name, struct protoent *pptr, char *buffer,
112 size_t buflen, struct protoent **result)
115 static const nss_cache_info cache_info =
116 NS_COMMON_CACHE_INFO_INITIALIZER(
117 protocols, (void *)nss_lt_name,
118 __proto_id_func, __proto_marshal_func, __proto_unmarshal_func);
120 static const ns_dtab dtab[] = {
121 { NSSRC_FILES, files_getprotobyname, NULL },
123 NS_CACHE_CB(&cache_info)
131 rv = nsdispatch(result, dtab, NSDB_PROTOCOLS, "getprotobyname_r",
132 defaultsrc, name, pptr, buffer, buflen, &ret_errno);
134 if (rv != NS_SUCCESS) {
142 getprotobyname(const char *name)
144 struct protodata *pd;
145 struct protoent *rval;
147 if ((pd = __protodata_init()) == NULL)
149 if (getprotobyname_r(name, &pd->proto, pd->data, sizeof(pd->data),