1 /* $NetBSD: hstrerror.c,v 1.2 2017/01/28 21:31:50 christos 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
hstrerror(int herr)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