1 /*
2 * Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #include <config.h>
35
36 #ifndef HAVE_HSTRERROR
37
38 #if (defined(SunOS) && (SunOS >= 50))
39 #define hstrerror broken_proto
40 #endif
41 #include "roken.h"
42 #if (defined(SunOS) && (SunOS >= 50))
43 #undef hstrerror
44 #endif
45
46 #if !(defined(HAVE_H_ERRLIST) && defined(HAVE_H_NERR))
47 static const char *const h_errlist[] = {
48 "Resolver Error 0 (no error)",
49 "Unknown host", /* 1 HOST_NOT_FOUND */
50 "Host name lookup failure", /* 2 TRY_AGAIN */
51 "Unknown server error", /* 3 NO_RECOVERY */
52 "No address associated with name", /* 4 NO_ADDRESS */
53 };
54
55 static
56 const
57 int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
58 #else
59
60 #if !HAVE_DECL_H_ERRLIST
61 extern const char *h_errlist[];
62 extern int h_nerr;
63 #endif
64
65 #endif
66
67 ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
hstrerror(int herr)68 hstrerror(int herr)
69 {
70 if (0 <= herr && herr < h_nerr)
71 return h_errlist[herr];
72 else if(herr == -17)
73 return "unknown error";
74 else
75 return "Error number out of range (hstrerror)";
76 }
77
78 #endif
79