1/* $NetBSD: errno2result.c,v 1.2.6.1 2012/06/05 21:15:31 bouyer Exp $ */ 2 3/* 4 * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 2000-2002 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20/* Id: errno2result.c,v 1.17 2008/09/12 04:46:25 marka Exp */ 21 22#include <config.h> 23 24#include <winsock2.h> 25#include "errno2result.h" 26#include <isc/result.h> 27#include <isc/strerror.h> 28#include <isc/util.h> 29 30/* 31 * Convert a POSIX errno value into an isc_result_t. The 32 * list of supported errno values is not complete; new users 33 * of this function should add any expected errors that are 34 * not already there. 35 */ 36isc_result_t 37isc__errno2resultx(int posixerrno, const char *file, int line) { 38 char strbuf[ISC_STRERRORSIZE]; 39 40 switch (posixerrno) { 41 case ENOTDIR: 42 case WSAELOOP: 43 case WSAEINVAL: 44 case EINVAL: /* XXX sometimes this is not for files */ 45 case ENAMETOOLONG: 46 case WSAENAMETOOLONG: 47 case EBADF: 48 case WSAEBADF: 49 return (ISC_R_INVALIDFILE); 50 case ENOENT: 51 return (ISC_R_FILENOTFOUND); 52 case EACCES: 53 case WSAEACCES: 54 case EPERM: 55 return (ISC_R_NOPERM); 56 case EEXIST: 57 return (ISC_R_FILEEXISTS); 58 case EIO: 59 return (ISC_R_IOERROR); 60 case ENOMEM: 61 return (ISC_R_NOMEMORY); 62 case ENFILE: 63 case EMFILE: 64 case WSAEMFILE: 65 return (ISC_R_TOOMANYOPENFILES); 66 case ERROR_CANCELLED: 67 return (ISC_R_CANCELED); 68 case ERROR_CONNECTION_REFUSED: 69 case WSAECONNREFUSED: 70 return (ISC_R_CONNREFUSED); 71 case WSAENOTCONN: 72 case ERROR_CONNECTION_INVALID: 73 return (ISC_R_NOTCONNECTED); 74 case ERROR_HOST_UNREACHABLE: 75 case WSAEHOSTUNREACH: 76 return (ISC_R_HOSTUNREACH); 77 case ERROR_NETWORK_UNREACHABLE: 78 case WSAENETUNREACH: 79 return (ISC_R_NETUNREACH); 80 case ERROR_NO_NETWORK: 81 return (ISC_R_NETUNREACH); 82 case ERROR_PORT_UNREACHABLE: 83 return (ISC_R_HOSTUNREACH); 84 case ERROR_SEM_TIMEOUT: 85 return (ISC_R_TIMEDOUT); 86 case WSAECONNRESET: 87 case WSAENETRESET: 88 case WSAECONNABORTED: 89 case WSAEDISCON: 90 case ERROR_OPERATION_ABORTED: 91 case ERROR_CONNECTION_ABORTED: 92 case ERROR_REQUEST_ABORTED: 93 return (ISC_R_CONNECTIONRESET); 94 case WSAEADDRNOTAVAIL: 95 return (ISC_R_ADDRNOTAVAIL); 96 case ERROR_NETNAME_DELETED: 97 case WSAENETDOWN: 98 return (ISC_R_NETUNREACH); 99 case WSAEHOSTDOWN: 100 return (ISC_R_HOSTUNREACH); 101 case WSAENOBUFS: 102 return (ISC_R_NORESOURCES); 103 default: 104 isc__strerror(posixerrno, strbuf, sizeof(strbuf)); 105 UNEXPECTED_ERROR(file, line, "unable to convert errno " 106 "to isc_result: %d: %s", posixerrno, strbuf); 107 /* 108 * XXXDCL would be nice if perhaps this function could 109 * return the system's error string, so the caller 110 * might have something more descriptive than "unexpected 111 * error" to log with. 112 */ 113 return (ISC_R_UNEXPECTED); 114 } 115} 116