155682Smarkm/*
2233294Sstas * Copyright (c) 1995 - 1999 Kungliga Tekniska H��gskolan
355682Smarkm * (Royal Institute of Technology, Stockholm, Sweden).
455682Smarkm * All rights reserved.
5233294Sstas *
655682Smarkm * Redistribution and use in source and binary forms, with or without
755682Smarkm * modification, are permitted provided that the following conditions
855682Smarkm * are met:
9233294Sstas *
1055682Smarkm * 1. Redistributions of source code must retain the above copyright
1155682Smarkm *    notice, this list of conditions and the following disclaimer.
12233294Sstas *
1355682Smarkm * 2. Redistributions in binary form must reproduce the above copyright
1455682Smarkm *    notice, this list of conditions and the following disclaimer in the
1555682Smarkm *    documentation and/or other materials provided with the distribution.
16233294Sstas *
1755682Smarkm * 3. Neither the name of the Institute nor the names of its contributors
1855682Smarkm *    may be used to endorse or promote products derived from this software
1955682Smarkm *    without specific prior written permission.
20233294Sstas *
2155682Smarkm * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
2255682Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2355682Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2455682Smarkm * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
2555682Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2655682Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2755682Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2855682Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2955682Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3055682Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3155682Smarkm * SUCH DAMAGE.
3255682Smarkm */
3355682Smarkm
3455682Smarkm#include <config.h>
3555682Smarkm
3655682Smarkm#ifndef HAVE_HSTRERROR
3755682Smarkm
3855682Smarkm#if (defined(SunOS) && (SunOS >= 50))
3955682Smarkm#define hstrerror broken_proto
4055682Smarkm#endif
4155682Smarkm#include "roken.h"
4255682Smarkm#if (defined(SunOS) && (SunOS >= 50))
4355682Smarkm#undef hstrerror
4455682Smarkm#endif
4555682Smarkm
4655682Smarkm#if !(defined(HAVE_H_ERRLIST) && defined(HAVE_H_NERR))
4755682Smarkmstatic const char *const h_errlist[] = {
4855682Smarkm    "Resolver Error 0 (no error)",
4955682Smarkm    "Unknown host",		/* 1 HOST_NOT_FOUND */
5055682Smarkm    "Host name lookup failure",	/* 2 TRY_AGAIN */
5155682Smarkm    "Unknown server error",	/* 3 NO_RECOVERY */
5255682Smarkm    "No address associated with name", /* 4 NO_ADDRESS */
5355682Smarkm};
5455682Smarkm
5555682Smarkmstatic
5655682Smarkmconst
5755682Smarkmint h_nerr = { sizeof h_errlist / sizeof h_errlist[0] };
5855682Smarkm#else
5955682Smarkm
60178825Sdfr#if !HAVE_DECL_H_ERRLIST
6155682Smarkmextern const char *h_errlist[];
6255682Smarkmextern int h_nerr;
6355682Smarkm#endif
6455682Smarkm
6555682Smarkm#endif
6655682Smarkm
67233294SstasROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL
6855682Smarkmhstrerror(int herr)
6955682Smarkm{
7055682Smarkm    if (0 <= herr && herr < h_nerr)
7155682Smarkm	return h_errlist[herr];
7255682Smarkm    else if(herr == -17)
7355682Smarkm	return "unknown error";
7455682Smarkm    else
7555682Smarkm	return "Error number out of range (hstrerror)";
7655682Smarkm}
7755682Smarkm
7855682Smarkm#endif
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