hstrerror.c revision 233294
1120441Sbms/* 2120441Sbms * Copyright (c) 1995 - 1999 Kungliga Tekniska H��gskolan 3120441Sbms * (Royal Institute of Technology, Stockholm, Sweden). 4120441Sbms * All rights reserved. 5120441Sbms * 6120441Sbms * Redistribution and use in source and binary forms, with or without 7120441Sbms * modification, are permitted provided that the following conditions 8120441Sbms * are met: 9120441Sbms * 10120441Sbms * 1. Redistributions of source code must retain the above copyright 11120441Sbms * notice, this list of conditions and the following disclaimer. 12120441Sbms * 13120441Sbms * 2. Redistributions in binary form must reproduce the above copyright 14120441Sbms * notice, this list of conditions and the following disclaimer in the 15120441Sbms * documentation and/or other materials provided with the distribution. 16120441Sbms * 17120441Sbms * 3. Neither the name of the Institute nor the names of its contributors 18120441Sbms * may be used to endorse or promote products derived from this software 19120441Sbms * without specific prior written permission. 20120441Sbms * 21120441Sbms * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22120441Sbms * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23120441Sbms * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24120441Sbms * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25120441Sbms * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26120441Sbms * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27120441Sbms * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28120441Sbms * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29120441Sbms * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30131681Sru * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31120441Sbms * SUCH DAMAGE. 32120441Sbms */ 33120441Sbms 34120441Sbms#include <config.h> 35120441Sbms 36120441Sbms#ifndef HAVE_HSTRERROR 37120441Sbms 38120441Sbms#if (defined(SunOS) && (SunOS >= 50)) 39120441Sbms#define hstrerror broken_proto 40120441Sbms#endif 41120441Sbms#include "roken.h" 42120441Sbms#if (defined(SunOS) && (SunOS >= 50)) 43120441Sbms#undef hstrerror 44120441Sbms#endif 45120441Sbms 46120441Sbms#if !(defined(HAVE_H_ERRLIST) && defined(HAVE_H_NERR)) 47120441Sbmsstatic const char *const h_errlist[] = { 48120441Sbms "Resolver Error 0 (no error)", 49120441Sbms "Unknown host", /* 1 HOST_NOT_FOUND */ 50120441Sbms "Host name lookup failure", /* 2 TRY_AGAIN */ 51120441Sbms "Unknown server error", /* 3 NO_RECOVERY */ 52120441Sbms "No address associated with name", /* 4 NO_ADDRESS */ 53120441Sbms}; 54120441Sbms 55120441Sbmsstatic 56120441Sbmsconst 57120441Sbmsint h_nerr = { sizeof h_errlist / sizeof h_errlist[0] }; 58120441Sbms#else 59120441Sbms 60120441Sbms#if !HAVE_DECL_H_ERRLIST 61120441Sbmsextern const char *h_errlist[]; 62120441Sbmsextern int h_nerr; 63120441Sbms#endif 64120441Sbms 65120441Sbms#endif 66120441Sbms 67120441SbmsROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL 68120441Sbmshstrerror(int herr) 69120441Sbms{ 70120441Sbms if (0 <= herr && herr < h_nerr) 71120441Sbms return h_errlist[herr]; 72120441Sbms else if(herr == -17) 73120441Sbms return "unknown error"; 74120441Sbms else 75120441Sbms return "Error number out of range (hstrerror)"; 76120441Sbms} 77120441Sbms 78120441Sbms#endif 79120441Sbms