gai_strerror.c revision 1.2
1/* $NetBSD: gai_strerror.c,v 1.2 2017/01/28 21:31:50 christos Exp $ */ 2 3/* 4 * Copyright (c) 1999 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include <config.h> 37 38#include <krb5/roken.h> 39 40static struct gai_error { 41 int code; 42 const char *str; 43} errors[] = { 44{EAI_NOERROR, "no error"}, 45#ifdef EAI_ADDRFAMILY 46{EAI_ADDRFAMILY, "address family for nodename not supported"}, 47#endif 48{EAI_AGAIN, "temporary failure in name resolution"}, 49{EAI_BADFLAGS, "invalid value for ai_flags"}, 50{EAI_FAIL, "non-recoverable failure in name resolution"}, 51{EAI_FAMILY, "ai_family not supported"}, 52{EAI_MEMORY, "memory allocation failure"}, 53#ifdef EAI_NODATA 54{EAI_NODATA, "no address associated with nodename"}, 55#endif 56{EAI_NONAME, "nodename nor servname provided, or not known"}, 57{EAI_SERVICE, "servname not supported for ai_socktype"}, 58{EAI_SOCKTYPE, "ai_socktype not supported"}, 59{EAI_SYSTEM, "system error returned in errno"}, 60{0, NULL}, 61}; 62 63/* 64 * 65 */ 66 67ROKEN_LIB_FUNCTION const char * ROKEN_LIB_CALL 68gai_strerror(int ecode) 69{ 70 struct gai_error *g; 71 72 for (g = errors; g->str != NULL; ++g) 73 if (g->code == ecode) 74 return g->str; 75 return "unknown error code in gai_strerror"; 76} 77