xref: /minix3/crypto/external/bsd/heimdal/dist/lib/roken/gai_strerror.c (revision ebfedea0ce5bbe81e252ddf32d732e40fb633fae)
1*ebfedea0SLionel Sambuc /*	$NetBSD: gai_strerror.c,v 1.1.1.1 2011/04/13 18:15:41 elric Exp $	*/
2*ebfedea0SLionel Sambuc 
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc  * Copyright (c) 1999 Kungliga Tekniska Högskolan
5*ebfedea0SLionel Sambuc  * (Royal Institute of Technology, Stockholm, Sweden).
6*ebfedea0SLionel Sambuc  * All rights reserved.
7*ebfedea0SLionel Sambuc  *
8*ebfedea0SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
9*ebfedea0SLionel Sambuc  * modification, are permitted provided that the following conditions
10*ebfedea0SLionel Sambuc  * are met:
11*ebfedea0SLionel Sambuc  *
12*ebfedea0SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
13*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
14*ebfedea0SLionel Sambuc  *
15*ebfedea0SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
16*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
17*ebfedea0SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
18*ebfedea0SLionel Sambuc  *
19*ebfedea0SLionel Sambuc  * 3. Neither the name of the Institute nor the names of its contributors
20*ebfedea0SLionel Sambuc  *    may be used to endorse or promote products derived from this software
21*ebfedea0SLionel Sambuc  *    without specific prior written permission.
22*ebfedea0SLionel Sambuc  *
23*ebfedea0SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24*ebfedea0SLionel Sambuc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*ebfedea0SLionel Sambuc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*ebfedea0SLionel Sambuc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27*ebfedea0SLionel Sambuc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*ebfedea0SLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*ebfedea0SLionel Sambuc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*ebfedea0SLionel Sambuc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*ebfedea0SLionel Sambuc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*ebfedea0SLionel Sambuc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*ebfedea0SLionel Sambuc  * SUCH DAMAGE.
34*ebfedea0SLionel Sambuc  */
35*ebfedea0SLionel Sambuc 
36*ebfedea0SLionel Sambuc #include <config.h>
37*ebfedea0SLionel Sambuc 
38*ebfedea0SLionel Sambuc #include <krb5/roken.h>
39*ebfedea0SLionel Sambuc 
40*ebfedea0SLionel Sambuc static struct gai_error {
41*ebfedea0SLionel Sambuc     int code;
42*ebfedea0SLionel Sambuc     const char *str;
43*ebfedea0SLionel Sambuc } errors[] = {
44*ebfedea0SLionel Sambuc {EAI_NOERROR,		"no error"},
45*ebfedea0SLionel Sambuc #ifdef EAI_ADDRFAMILY
46*ebfedea0SLionel Sambuc {EAI_ADDRFAMILY,	"address family for nodename not supported"},
47*ebfedea0SLionel Sambuc #endif
48*ebfedea0SLionel Sambuc {EAI_AGAIN,		"temporary failure in name resolution"},
49*ebfedea0SLionel Sambuc {EAI_BADFLAGS,		"invalid value for ai_flags"},
50*ebfedea0SLionel Sambuc {EAI_FAIL,		"non-recoverable failure in name resolution"},
51*ebfedea0SLionel Sambuc {EAI_FAMILY,		"ai_family not supported"},
52*ebfedea0SLionel Sambuc {EAI_MEMORY,		"memory allocation failure"},
53*ebfedea0SLionel Sambuc #ifdef EAI_NODATA
54*ebfedea0SLionel Sambuc {EAI_NODATA,		"no address associated with nodename"},
55*ebfedea0SLionel Sambuc #endif
56*ebfedea0SLionel Sambuc {EAI_NONAME,		"nodename nor servname provided, or not known"},
57*ebfedea0SLionel Sambuc {EAI_SERVICE,		"servname not supported for ai_socktype"},
58*ebfedea0SLionel Sambuc {EAI_SOCKTYPE,		"ai_socktype not supported"},
59*ebfedea0SLionel Sambuc {EAI_SYSTEM,		"system error returned in errno"},
60*ebfedea0SLionel Sambuc {0,			NULL},
61*ebfedea0SLionel Sambuc };
62*ebfedea0SLionel Sambuc 
63*ebfedea0SLionel Sambuc /*
64*ebfedea0SLionel Sambuc  *
65*ebfedea0SLionel Sambuc  */
66*ebfedea0SLionel Sambuc 
67*ebfedea0SLionel Sambuc ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
gai_strerror(int ecode)68*ebfedea0SLionel Sambuc gai_strerror(int ecode)
69*ebfedea0SLionel Sambuc {
70*ebfedea0SLionel Sambuc     struct gai_error *g;
71*ebfedea0SLionel Sambuc 
72*ebfedea0SLionel Sambuc     for (g = errors; g->str != NULL; ++g)
73*ebfedea0SLionel Sambuc 	if (g->code == ecode)
74*ebfedea0SLionel Sambuc 	    return g->str;
75*ebfedea0SLionel Sambuc     return "unknown error code in gai_strerror";
76*ebfedea0SLionel Sambuc }
77