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: getprotoent_r.c,v 1.3.206.2 2006/08/01 01:19:28 marka Exp $";
20 #endif /* LIBC_SCCS and not lint */
22 #include <port_before.h>
23 #if !defined(_REENTRANT) || !defined(DO_PTHREADS)
24 static int getprotoent_r_not_required = 0;
29 #include <sys/types.h>
30 #include <netinet/in.h>
32 #include <port_after.h>
37 copy_protoent(struct protoent *, struct protoent *, PROTO_R_COPY_ARGS);
40 getprotobyname_r(const char *name, struct protoent *pptr, PROTO_R_ARGS) {
41 struct protoent *pe = getprotobyname(name);
42 #ifdef PROTO_R_SETANSWER
45 if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
55 return (copy_protoent(pe, pptr, PROTO_R_COPY));
60 getprotobynumber_r(int proto, struct protoent *pptr, PROTO_R_ARGS) {
61 struct protoent *pe = getprotobynumber(proto);
62 #ifdef PROTO_R_SETANSWER
65 if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
75 return (copy_protoent(pe, pptr, PROTO_R_COPY));
80 * These assume a single context is in operation per thread.
81 * If this is not the case we will need to call irs directly
82 * rather than through the base functions.
86 getprotoent_r(struct protoent *pptr, PROTO_R_ARGS) {
87 struct protoent *pe = getprotoent();
88 #ifdef PROTO_R_SETANSWER
91 if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
101 return (copy_protoent(pe, pptr, PROTO_R_COPY));
106 #ifdef PROTO_R_ENT_ARGS
107 setprotoent_r(int stay_open, PROTO_R_ENT_ARGS)
109 setprotoent_r(int stay_open)
112 #ifdef PROTO_R_ENT_UNUSED
115 setprotoent(stay_open);
116 #ifdef PROTO_R_SET_RESULT
117 return (PROTO_R_SET_RESULT);
122 #ifdef PROTO_R_ENT_ARGS
123 endprotoent_r(PROTO_R_ENT_ARGS)
128 #ifdef PROTO_R_ENT_UNUSED
132 PROTO_R_END_RESULT(PROTO_R_OK);
137 #ifndef PROTOENT_DATA
138 static PROTO_R_RETURN
139 copy_protoent(struct protoent *pe, struct protoent *pptr, PROTO_R_COPY_ARGS) {
144 /* Find out the amount of space required to store the answer. */
145 numptr = 1; /* NULL ptr */
146 len = (char *)ALIGN(buf) - buf;
147 for (i = 0; pe->p_aliases[i]; i++, numptr++) {
148 len += strlen(pe->p_aliases[i]) + 1;
150 len += strlen(pe->p_name) + 1;
151 len += numptr * sizeof(char*);
153 if (len > (int)buflen) {
155 return (PROTO_R_BAD);
158 /* copy protocol value*/
159 pptr->p_proto = pe->p_proto;
161 cp = (char *)ALIGN(buf) + numptr * sizeof(char *);
163 /* copy official name */
164 n = strlen(pe->p_name) + 1;
165 strcpy(cp, pe->p_name);
170 pptr->p_aliases = (char **)ALIGN(buf);
171 for (i = 0 ; pe->p_aliases[i]; i++) {
172 n = strlen(pe->p_aliases[i]) + 1;
173 strcpy(cp, pe->p_aliases[i]);
174 pptr->p_aliases[i] = cp;
177 pptr->p_aliases[i] = NULL;
181 #else /* !PROTOENT_DATA */
183 copy_protoent(struct protoent *pe, struct protoent *pptr, PROTO_R_COPY_ARGS) {
187 /* copy protocol value */
188 pptr->p_proto = pe->p_proto;
190 /* copy official name */
192 eob = pdptr->line + sizeof(pdptr->line);
193 if ((n = strlen(pe->p_name) + 1) < (eob - cp)) {
194 strcpy(cp, pe->p_name);
203 pptr->p_aliases = pdptr->proto_aliases;
204 while (pe->p_aliases[i] && i < (_MAXALIASES-1)) {
205 if ((n = strlen(pe->p_aliases[i]) + 1) < (eob - cp)) {
206 strcpy(cp, pe->p_aliases[i]);
207 pptr->p_aliases[i] = cp;
214 pptr->p_aliases[i] = NULL;
218 #endif /* PROTOENT_DATA */
219 #else /* PROTO_R_RETURN */
220 static int getprotoent_r_unknown_system = 0;
221 #endif /* PROTO_R_RETURN */
222 #endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */