1b528cefcSMark Murray /*
2*ae771770SStanislav Sedov * Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan
3b528cefcSMark Murray * (Royal Institute of Technology, Stockholm, Sweden).
4b528cefcSMark Murray * All rights reserved.
5b528cefcSMark Murray *
6b528cefcSMark Murray * Redistribution and use in source and binary forms, with or without
7b528cefcSMark Murray * modification, are permitted provided that the following conditions
8b528cefcSMark Murray * are met:
9b528cefcSMark Murray *
10b528cefcSMark Murray * 1. Redistributions of source code must retain the above copyright
11b528cefcSMark Murray * notice, this list of conditions and the following disclaimer.
12b528cefcSMark Murray *
13b528cefcSMark Murray * 2. Redistributions in binary form must reproduce the above copyright
14b528cefcSMark Murray * notice, this list of conditions and the following disclaimer in the
15b528cefcSMark Murray * documentation and/or other materials provided with the distribution.
16b528cefcSMark Murray *
17b528cefcSMark Murray * 3. Neither the name of the Institute nor the names of its contributors
18b528cefcSMark Murray * may be used to endorse or promote products derived from this software
19b528cefcSMark Murray * without specific prior written permission.
20b528cefcSMark Murray *
21b528cefcSMark Murray * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22b528cefcSMark Murray * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23b528cefcSMark Murray * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24b528cefcSMark Murray * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25b528cefcSMark Murray * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26b528cefcSMark Murray * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27b528cefcSMark Murray * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28b528cefcSMark Murray * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29b528cefcSMark Murray * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30b528cefcSMark Murray * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31b528cefcSMark Murray * SUCH DAMAGE.
32b528cefcSMark Murray */
33b528cefcSMark Murray
34b528cefcSMark Murray #include <config.h>
35b528cefcSMark Murray
36b528cefcSMark Murray #ifndef HAVE_HSTRERROR
37b528cefcSMark Murray
38b528cefcSMark Murray #if (defined(SunOS) && (SunOS >= 50))
39b528cefcSMark Murray #define hstrerror broken_proto
40b528cefcSMark Murray #endif
41b528cefcSMark Murray #include "roken.h"
42b528cefcSMark Murray #if (defined(SunOS) && (SunOS >= 50))
43b528cefcSMark Murray #undef hstrerror
44b528cefcSMark Murray #endif
45b528cefcSMark Murray
46b528cefcSMark Murray #if !(defined(HAVE_H_ERRLIST) && defined(HAVE_H_NERR))
47b528cefcSMark Murray static const char *const h_errlist[] = {
48b528cefcSMark Murray "Resolver Error 0 (no error)",
49b528cefcSMark Murray "Unknown host", /* 1 HOST_NOT_FOUND */
50b528cefcSMark Murray "Host name lookup failure", /* 2 TRY_AGAIN */
51b528cefcSMark Murray "Unknown server error", /* 3 NO_RECOVERY */
52b528cefcSMark Murray "No address associated with name", /* 4 NO_ADDRESS */
53b528cefcSMark Murray };
54b528cefcSMark Murray
55b528cefcSMark Murray static
56b528cefcSMark Murray const
57b528cefcSMark Murray int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
58b528cefcSMark Murray #else
59b528cefcSMark Murray
60c19800e8SDoug Rabson #if !HAVE_DECL_H_ERRLIST
61b528cefcSMark Murray extern const char *h_errlist[];
62b528cefcSMark Murray extern int h_nerr;
63b528cefcSMark Murray #endif
64b528cefcSMark Murray
65b528cefcSMark Murray #endif
66b528cefcSMark Murray
67*ae771770SStanislav Sedov ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
hstrerror(int herr)68b528cefcSMark Murray hstrerror(int herr)
69b528cefcSMark Murray {
70b528cefcSMark Murray if (0 <= herr && herr < h_nerr)
71b528cefcSMark Murray return h_errlist[herr];
72b528cefcSMark Murray else if(herr == -17)
73b528cefcSMark Murray return "unknown error";
74b528cefcSMark Murray else
75b528cefcSMark Murray return "Error number out of range (hstrerror)";
76b528cefcSMark Murray }
77b528cefcSMark Murray
78b528cefcSMark Murray #endif
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