1 /* $NetBSD: gai_strerror.c,v 1.2 2017/01/28 21:31:50 christos Exp $ */
2
3 /*
4 * Copyright (c) 1999 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <config.h>
37
38 #include <krb5/roken.h>
39
40 static struct gai_error {
41 int code;
42 const char *str;
43 } errors[] = {
44 {EAI_NOERROR, "no error"},
45 #ifdef EAI_ADDRFAMILY
46 {EAI_ADDRFAMILY, "address family for nodename not supported"},
47 #endif
48 {EAI_AGAIN, "temporary failure in name resolution"},
49 {EAI_BADFLAGS, "invalid value for ai_flags"},
50 {EAI_FAIL, "non-recoverable failure in name resolution"},
51 {EAI_FAMILY, "ai_family not supported"},
52 {EAI_MEMORY, "memory allocation failure"},
53 #ifdef EAI_NODATA
54 {EAI_NODATA, "no address associated with nodename"},
55 #endif
56 {EAI_NONAME, "nodename nor servname provided, or not known"},
57 {EAI_SERVICE, "servname not supported for ai_socktype"},
58 {EAI_SOCKTYPE, "ai_socktype not supported"},
59 {EAI_SYSTEM, "system error returned in errno"},
60 {0, NULL},
61 };
62
63 /*
64 *
65 */
66
67 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
gai_strerror(int ecode)68 gai_strerror(int ecode)
69 {
70 struct gai_error *g;
71
72 for (g = errors; g->str != NULL; ++g)
73 if (g->code == ecode)
74 return g->str;
75 return "unknown error code in gai_strerror";
76 }
77