Fix mdoc(7)/man(7) mix up.
[netbsd-mini2440.git] / lib / libc / yp / yp_first.c
blob27b0db0334d3d668fe8c5d2830ca1533f09f5432
1 /* $NetBSD: yp_first.c,v 1.13 2000/07/06 03:14:05 christos Exp $ */
3 /*
4 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca>
5 * All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
29 #include <sys/cdefs.h>
30 #if defined(LIBC_SCCS) && !defined(lint)
31 __RCSID("$NetBSD: yp_first.c,v 1.13 2000/07/06 03:14:05 christos Exp $");
32 #endif
34 #include "namespace.h"
35 #include <stdlib.h>
36 #include <string.h>
37 #include <rpc/rpc.h>
38 #include <rpcsvc/yp_prot.h>
39 #include <rpcsvc/ypclnt.h>
40 #include "local.h"
42 extern struct timeval _yplib_timeout;
43 extern int _yplib_nerrs;
45 #ifdef __weak_alias
46 __weak_alias(yp_first,_yp_first)
47 __weak_alias(yp_next,_yp_next)
48 #endif
50 int
51 yp_first(indomain, inmap, outkey, outkeylen, outval, outvallen)
52 const char *indomain;
53 const char *inmap;
54 char **outkey;
55 int *outkeylen;
56 char **outval;
57 int *outvallen;
59 struct ypresp_key_val yprkv;
60 struct ypreq_nokey yprnk;
61 struct dom_binding *ysd;
62 int r, nerrs = 0;
64 if (outkey == NULL || outkeylen == NULL || \
65 outval == NULL || outvallen == NULL)
66 return YPERR_BADARGS;
67 *outkey = *outval = NULL;
68 *outkeylen = *outvallen = 0;
69 if (_yp_invalid_domain(indomain))
70 return YPERR_BADARGS;
71 if (inmap == NULL || *inmap == '\0'
72 || strlen(inmap) > YPMAXMAP)
73 return YPERR_BADARGS;
75 again:
76 if (_yp_dobind(indomain, &ysd) != 0)
77 return YPERR_DOMAIN;
79 yprnk.domain = indomain;
80 yprnk.map = inmap;
81 (void)memset(&yprkv, 0, sizeof yprkv);
83 r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_FIRST,
84 (xdrproc_t)xdr_ypreq_nokey,
85 &yprnk, (xdrproc_t)xdr_ypresp_key_val, &yprkv, _yplib_timeout);
86 if (r != RPC_SUCCESS) {
87 if (++nerrs == _yplib_nerrs) {
88 clnt_perror(ysd->dom_client, "yp_first: clnt_call");
89 nerrs = 0;
91 ysd->dom_vers = -1;
92 goto again;
94 if (!(r = ypprot_err(yprkv.status))) {
95 *outkeylen = yprkv.keydat.dsize;
96 if ((*outkey = malloc((size_t)(*outkeylen + 1))) == NULL)
97 r = YPERR_RESRC;
98 else {
99 (void)memcpy(*outkey, yprkv.keydat.dptr,
100 (size_t)*outkeylen);
101 (*outkey)[*outkeylen] = '\0';
103 *outvallen = yprkv.valdat.dsize;
104 if ((*outval = malloc((size_t)(*outvallen + 1))) == NULL)
105 r = YPERR_RESRC;
106 else {
107 (void)memcpy(*outval, yprkv.valdat.dptr,
108 (size_t)*outvallen);
109 (*outval)[*outvallen] = '\0';
112 xdr_free((xdrproc_t)xdr_ypresp_key_val, (char *)(void *)&yprkv);
113 __yp_unbind(ysd);
114 if (r != 0) {
115 if (*outkey) {
116 free(*outkey);
117 *outkey = NULL;
119 if (*outval) {
120 free(*outval);
121 *outval = NULL;
124 return r;
128 yp_next(indomain, inmap, inkey, inkeylen, outkey, outkeylen, outval, outvallen)
129 const char *indomain;
130 const char *inmap;
131 const char *inkey;
132 int inkeylen;
133 char **outkey;
134 int *outkeylen;
135 char **outval;
136 int *outvallen;
138 struct ypresp_key_val yprkv;
139 struct ypreq_key yprk;
140 struct dom_binding *ysd;
141 int r, nerrs = 0;
143 if (outkey == NULL || outkeylen == NULL || \
144 outval == NULL || outvallen == NULL || \
145 inkey == NULL)
146 return YPERR_BADARGS;
147 *outkey = *outval = NULL;
148 *outkeylen = *outvallen = 0;
150 if (_yp_invalid_domain(indomain))
151 return YPERR_BADARGS;
152 if (inmap == NULL || *inmap == '\0'
153 || strlen(inmap) > YPMAXMAP)
154 return YPERR_BADARGS;
156 again:
157 if (_yp_dobind(indomain, &ysd) != 0)
158 return YPERR_DOMAIN;
160 yprk.domain = indomain;
161 yprk.map = inmap;
162 yprk.keydat.dptr = inkey;
163 yprk.keydat.dsize = inkeylen;
164 (void)memset(&yprkv, 0, sizeof yprkv);
166 r = clnt_call(ysd->dom_client, (rpcproc_t)YPPROC_NEXT,
167 (xdrproc_t)xdr_ypreq_key,
168 &yprk, (xdrproc_t)xdr_ypresp_key_val, &yprkv, _yplib_timeout);
169 if (r != RPC_SUCCESS) {
170 if (++nerrs == _yplib_nerrs) {
171 clnt_perror(ysd->dom_client, "yp_next: clnt_call");
172 nerrs = 0;
174 ysd->dom_vers = -1;
175 goto again;
177 if (!(r = ypprot_err(yprkv.status))) {
178 *outkeylen = yprkv.keydat.dsize;
179 if ((*outkey = malloc((size_t)(*outkeylen + 1))) == NULL)
180 r = YPERR_RESRC;
181 else {
182 (void)memcpy(*outkey, yprkv.keydat.dptr,
183 (size_t)*outkeylen);
184 (*outkey)[*outkeylen] = '\0';
186 *outvallen = yprkv.valdat.dsize;
187 if ((*outval = malloc((size_t)(*outvallen + 1))) == NULL)
188 r = YPERR_RESRC;
189 else {
190 (void)memcpy(*outval, yprkv.valdat.dptr,
191 (size_t)*outvallen);
192 (*outval)[*outvallen] = '\0';
195 xdr_free((xdrproc_t)xdr_ypresp_key_val, (char *)(void *)&yprkv);
196 __yp_unbind(ysd);
197 if (r != 0) {
198 if (*outkey) {
199 free(*outkey);
200 *outkey = NULL;
202 if (*outval) {
203 free(*outval);
204 *outval = NULL;
207 return r;