1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright (c) 1999 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
RCSID("$Id: gai_strerror.c 15837 2005-08-05 09:31:35Z lha $");
#endif
#include <roken.h>
static struct gai_error {
int code;
const char *str;
} errors[] = {
{EAI_NOERROR, "no error"},
#ifdef EAI_ADDRFAMILY
{EAI_ADDRFAMILY, "address family for nodename not supported"},
#endif
{EAI_AGAIN, "temporary failure in name resolution"},
{EAI_BADFLAGS, "invalid value for ai_flags"},
{EAI_FAIL, "non-recoverable failure in name resolution"},
{EAI_FAMILY, "ai_family not supported"},
{EAI_MEMORY, "memory allocation failure"},
#ifdef EAI_NODATA
{EAI_NODATA, "no address associated with nodename"},
#endif
{EAI_NONAME, "nodename nor servname provided, or not known"},
{EAI_SERVICE, "servname not supported for ai_socktype"},
{EAI_SOCKTYPE, "ai_socktype not supported"},
{EAI_SYSTEM, "system error returned in errno"},
{0, NULL},
};
/*
*
*/
const char * ROKEN_LIB_FUNCTION
gai_strerror(int ecode)
{
struct gai_error *g;
for (g = errors; g->str != NULL; ++g)
if (g->code == ecode)
return g->str;
return "unknown error code in gai_strerror";
}
|
