2 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (c) 1998-1999 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(LIBC_SCCS) && !defined(lint)
19 static const char rcsid[] = "$Id: getnetent_r.c,v 1.6 2005/09/03 12:41:38 marka Exp $";
20 #endif /* LIBC_SCCS and not lint */
22 #include <port_before.h>
23 #if !defined(_REENTRANT) || !defined(DO_PTHREADS)
24 static int getnetent_r_not_required = 0;
29 #include <sys/types.h>
30 #include <netinet/in.h>
32 #include <sys/param.h>
33 #include <port_after.h>
38 copy_netent(struct netent *, struct netent *, NET_R_COPY_ARGS);
41 getnetbyname_r(const char *name, struct netent *nptr, NET_R_ARGS) {
42 struct netent *ne = getnetbyname(name);
43 #ifdef NET_R_SETANSWER
46 if (ne == NULL || (n = copy_netent(ne, nptr, NET_R_COPY)) != 0)
57 return (copy_netent(ne, nptr, NET_R_COPY));
61 #ifndef GETNETBYADDR_ADDR_T
62 #define GETNETBYADDR_ADDR_T long
65 getnetbyaddr_r(GETNETBYADDR_ADDR_T addr, int type, struct netent *nptr, NET_R_ARGS) {
66 struct netent *ne = getnetbyaddr(addr, type);
67 #ifdef NET_R_SETANSWER
70 if (ne == NULL || (n = copy_netent(ne, nptr, NET_R_COPY)) != 0)
82 return (copy_netent(ne, nptr, NET_R_COPY));
87 * These assume a single context is in operation per thread.
88 * If this is not the case we will need to call irs directly
89 * rather than through the base functions.
93 getnetent_r(struct netent *nptr, NET_R_ARGS) {
94 struct netent *ne = getnetent();
95 #ifdef NET_R_SETANSWER
98 if (ne == NULL || (n = copy_netent(ne, nptr, NET_R_COPY)) != 0)
110 return (copy_netent(ne, nptr, NET_R_COPY));
115 #ifdef NET_R_ENT_ARGS
116 setnetent_r(int stay_open, NET_R_ENT_ARGS)
118 setnetent_r(int stay_open)
121 #ifdef NET_R_ENT_ARGS
124 setnetent(stay_open);
125 #ifdef NET_R_SET_RESULT
126 return (NET_R_SET_RESULT);
131 #ifdef NET_R_ENT_ARGS
132 endnetent_r(NET_R_ENT_ARGS)
137 #ifdef NET_R_ENT_ARGS
141 NET_R_END_RESULT(NET_R_OK);
148 copy_netent(struct netent *ne, struct netent *nptr, NET_R_COPY_ARGS) {
153 /* Find out the amount of space required to store the answer. */
154 numptr = 1; /*%< NULL ptr */
155 len = (char *)ALIGN(buf) - buf;
156 for (i = 0; ne->n_aliases[i]; i++, numptr++) {
157 len += strlen(ne->n_aliases[i]) + 1;
159 len += strlen(ne->n_name) + 1;
160 len += numptr * sizeof(char*);
162 if (len > (int)buflen) {
167 /* copy net value and type */
168 nptr->n_addrtype = ne->n_addrtype;
169 nptr->n_net = ne->n_net;
171 cp = (char *)ALIGN(buf) + numptr * sizeof(char *);
173 /* copy official name */
174 n = strlen(ne->n_name) + 1;
175 strcpy(cp, ne->n_name);
180 nptr->n_aliases = (char **)ALIGN(buf);
181 for (i = 0 ; ne->n_aliases[i]; i++) {
182 n = strlen(ne->n_aliases[i]) + 1;
183 strcpy(cp, ne->n_aliases[i]);
184 nptr->n_aliases[i] = cp;
187 nptr->n_aliases[i] = NULL;
191 #else /* !NETENT_DATA */
193 copy_netent(struct netent *ne, struct netent *nptr, NET_R_COPY_ARGS) {
197 /* copy net value and type */
198 nptr->n_addrtype = ne->n_addrtype;
199 nptr->n_net = ne->n_net;
201 /* copy official name */
203 eob = ndptr->line + sizeof(ndptr->line);
204 if ((n = strlen(ne->n_name) + 1) < (eob - cp)) {
205 strcpy(cp, ne->n_name);
214 nptr->n_aliases = ndptr->net_aliases;
215 while (ne->n_aliases[i] && i < (_MAXALIASES-1)) {
216 if ((n = strlen(ne->n_aliases[i]) + 1) < (eob - cp)) {
217 strcpy(cp, ne->n_aliases[i]);
218 nptr->n_aliases[i] = cp;
225 nptr->n_aliases[i] = NULL;
229 #endif /* !NETENT_DATA */
230 #else /* NET_R_RETURN */
231 static int getnetent_r_unknown_system = 0;
232 #endif /* NET_R_RETURN */
233 #endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */