1 /*
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 /*
31 #include <sys/cdefs.h>
32
33 __FBSDID("$FreeBSD: /repoman/r/ncvs/src/lib/libc/net/gai_strerror.c,v 1.1 2005/04/06 12:45:51 ume Exp $");
34
35 */
36
37 #ifdef WIN32
38
39 #include <ws2tcpip.h>
40
41 #else
42
43 #include <netdb.h>
44
45 #endif
46
47 /* Entries EAI_ADDRFAMILY (1) and EAI_NODATA (7) are obsoleted, but left */
48 /* for backward compatibility with userland code prior to 2553bis-02 */
49 static char *ai_errlist[] = {
50 "Success", /* 0 */
51 "Address family for hostname not supported", /* 1 */
52 "Temporary failure in name resolution", /* EAI_AGAIN */
53 "Invalid value for ai_flags", /* EAI_BADFLAGS */
54 "Non-recoverable failure in name resolution", /* EAI_FAIL */
55 "ai_family not supported", /* EAI_FAMILY */
56 "Memory allocation failure", /* EAI_MEMORY */
57 "No address associated with hostname", /* 7 */
58 "hostname nor servname provided, or not known", /* EAI_NONAME */
59 "servname not supported for ai_socktype", /* EAI_SERVICE */
60 "ai_socktype not supported", /* EAI_SOCKTYPE */
61 "System error returned in errno", /* EAI_SYSTEM */
62 "Invalid value for hints", /* EAI_BADHINTS */
63 "Resolved protocol is unknown" /* EAI_PROTOCOL */
64 };
65
66 #ifndef EAI_MAX
67 #define EAI_MAX (sizeof(ai_errlist)/sizeof(ai_errlist[0]))
68 #endif
69
70 /* on MingW, gai_strerror is available.
71 We need to compile gai_strerrorA only for Cygwin
72 */
73 #ifndef gai_strerror
74
75 char *
gai_strerrorA(int ecode)76 WSAAPI gai_strerrorA(int ecode)
77 {
78 if (ecode >= 0 && ecode < EAI_MAX)
79 return ai_errlist[ecode];
80 return "Unknown error";
81 }
82
83 #endif /* gai_strerror */