gai_strerror.c revision 1.1 
1/*	$NetBSD: gai_strerror.c,v 1.1 2011/04/13 18:15:41 elric Exp $	*/
2
3/*
4 * Copyright (c) 1999 Kungliga Tekniska H��gskolan
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
40static 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
67ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
68gai_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