1 /*	$NetBSD: hstrerror.c,v 1.1.1.1 2011/04/13 18:15:41 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 1995 - 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 #ifndef HAVE_HSTRERROR
39 
40 #if (defined(SunOS) && (SunOS >= 50))
41 #define hstrerror broken_proto
42 #endif
43 #include <krb5/roken.h>
44 #if (defined(SunOS) && (SunOS >= 50))
45 #undef hstrerror
46 #endif
47 
48 #if !(defined(HAVE_H_ERRLIST) && defined(HAVE_H_NERR))
49 static const char *const h_errlist[] = {
50     "Resolver Error 0 (no error)",
51     "Unknown host",		/* 1 HOST_NOT_FOUND */
52     "Host name lookup failure",	/* 2 TRY_AGAIN */
53     "Unknown server error",	/* 3 NO_RECOVERY */
54     "No address associated with name", /* 4 NO_ADDRESS */
55 };
56 
57 static
58 const
59 int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
60 #else
61 
62 #if !HAVE_DECL_H_ERRLIST
63 extern const char *h_errlist[];
64 extern int h_nerr;
65 #endif
66 
67 #endif
68 
69 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
70 hstrerror(int herr)
71 {
72     if (0 <= herr && herr < h_nerr)
73 	return h_errlist[herr];
74     else if(herr == -17)
75 	return "unknown error";
76     else
77 	return "Error number out of range (hstrerror)";
78 }
79 
80 #endif
81