1b528cefcSMark Murray /* 2b528cefcSMark Murray * Copyright (c) 1995 - 1999 Kungliga Tekniska H�gskolan 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 #ifdef HAVE_CONFIG_H 35b528cefcSMark Murray #include <config.h> 36b528cefcSMark Murray RCSID("$Id: hstrerror.c,v 1.23 1999/12/05 13:18:55 assar Exp $"); 37b528cefcSMark Murray #endif 38b528cefcSMark Murray 39b528cefcSMark Murray #ifndef HAVE_HSTRERROR 40b528cefcSMark Murray 41b528cefcSMark Murray #if (defined(SunOS) && (SunOS >= 50)) 42b528cefcSMark Murray #define hstrerror broken_proto 43b528cefcSMark Murray #endif 44b528cefcSMark Murray #include "roken.h" 45b528cefcSMark Murray #if (defined(SunOS) && (SunOS >= 50)) 46b528cefcSMark Murray #undef hstrerror 47b528cefcSMark Murray #endif 48b528cefcSMark Murray 49b528cefcSMark Murray #ifndef HAVE_H_ERRNO 50b528cefcSMark Murray int h_errno = -17; /* Some magic number */ 51b528cefcSMark Murray #endif 52b528cefcSMark Murray 53b528cefcSMark Murray #if !(defined(HAVE_H_ERRLIST) && defined(HAVE_H_NERR)) 54b528cefcSMark Murray static const char *const h_errlist[] = { 55b528cefcSMark Murray "Resolver Error 0 (no error)", 56b528cefcSMark Murray "Unknown host", /* 1 HOST_NOT_FOUND */ 57b528cefcSMark Murray "Host name lookup failure", /* 2 TRY_AGAIN */ 58b528cefcSMark Murray "Unknown server error", /* 3 NO_RECOVERY */ 59b528cefcSMark Murray "No address associated with name", /* 4 NO_ADDRESS */ 60b528cefcSMark Murray }; 61b528cefcSMark Murray 62b528cefcSMark Murray static 63b528cefcSMark Murray const 64b528cefcSMark Murray int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] }; 65b528cefcSMark Murray #else 66b528cefcSMark Murray 67b528cefcSMark Murray #ifndef HAVE_H_ERRLIST_DECLARATION 68b528cefcSMark Murray extern const char *h_errlist[]; 69b528cefcSMark Murray extern int h_nerr; 70b528cefcSMark Murray #endif 71b528cefcSMark Murray 72b528cefcSMark Murray #endif 73b528cefcSMark Murray 74b528cefcSMark Murray const char * 75b528cefcSMark Murray hstrerror(int herr) 76b528cefcSMark Murray { 77b528cefcSMark Murray if (0 <= herr && herr < h_nerr) 78b528cefcSMark Murray return h_errlist[herr]; 79b528cefcSMark Murray else if(herr == -17) 80b528cefcSMark Murray return "unknown error"; 81b528cefcSMark Murray else 82b528cefcSMark Murray return "Error number out of range (hstrerror)"; 83b528cefcSMark Murray } 84b528cefcSMark Murray 85b528cefcSMark Murray #endif 86