1 /* 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 #include <sys/cdefs.h> 32 33 __FBSDID("$FreeBSD: /repoman/r/ncvs/src/lib/libc/net/gai_strerror.c,v 1.1 2005/04/06 12:45:51 ume Exp $"); 34 35 */ 36 37 #ifdef WIN32 38 39 #include <ws2tcpip.h> 40 41 #else 42 43 #include <netdb.h> 44 45 #endif 46 47 /* Entries EAI_ADDRFAMILY (1) and EAI_NODATA (7) are obsoleted, but left */ 48 /* for backward compatibility with userland code prior to 2553bis-02 */ 49 static char *ai_errlist[] = { 50 "Success", /* 0 */ 51 "Address family for hostname not supported", /* 1 */ 52 "Temporary failure in name resolution", /* EAI_AGAIN */ 53 "Invalid value for ai_flags", /* EAI_BADFLAGS */ 54 "Non-recoverable failure in name resolution", /* EAI_FAIL */ 55 "ai_family not supported", /* EAI_FAMILY */ 56 "Memory allocation failure", /* EAI_MEMORY */ 57 "No address associated with hostname", /* 7 */ 58 "hostname nor servname provided, or not known", /* EAI_NONAME */ 59 "servname not supported for ai_socktype", /* EAI_SERVICE */ 60 "ai_socktype not supported", /* EAI_SOCKTYPE */ 61 "System error returned in errno", /* EAI_SYSTEM */ 62 "Invalid value for hints", /* EAI_BADHINTS */ 63 "Resolved protocol is unknown" /* EAI_PROTOCOL */ 64 }; 65 66 #ifndef EAI_MAX 67 #define EAI_MAX (sizeof(ai_errlist)/sizeof(ai_errlist[0])) 68 #endif 69 70 /* on MingW, gai_strerror is available. 71 We need to compile gai_strerrorA only for Cygwin 72 */ 73 #ifndef gai_strerror 74 75 char * 76 WSAAPI gai_strerrorA(int ecode) 77 { 78 if (ecode >= 0 && ecode < EAI_MAX) 79 return ai_errlist[ecode]; 80 return "Unknown error"; 81 } 82 83 #endif /* gai_strerror */
