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Annotation of embedaddon/ntp/lib/isc/unix/errno2result.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
        !             3:  * Copyright (C) 2000-2002  Internet Software Consortium.
        !             4:  *
        !             5:  * Permission to use, copy, modify, and/or distribute this software for any
        !             6:  * purpose with or without fee is hereby granted, provided that the above
        !             7:  * copyright notice and this permission notice appear in all copies.
        !             8:  *
        !             9:  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
        !            10:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
        !            11:  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
        !            12:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
        !            13:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
        !            14:  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
        !            15:  * PERFORMANCE OF THIS SOFTWARE.
        !            16:  */
        !            17: 
        !            18: /* $Id: errno2result.c,v 1.17 2007/06/19 23:47:18 tbox Exp $ */
        !            19: 
        !            20: /*! \file */
        !            21: 
        !            22: #include <config.h>
        !            23: 
        !            24: #include <isc/result.h>
        !            25: #include <isc/strerror.h>
        !            26: #include <isc/util.h>
        !            27: 
        !            28: #include "errno2result.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:  */
        !            36: isc_result_t
        !            37: isc__errno2result(int posixerrno) {
        !            38:        char strbuf[ISC_STRERRORSIZE];
        !            39: 
        !            40:        switch (posixerrno) {
        !            41:        case ENOTDIR:
        !            42:        case ELOOP:
        !            43:        case EINVAL:            /* XXX sometimes this is not for files */
        !            44:        case ENAMETOOLONG:
        !            45:        case EBADF:
        !            46:                return (ISC_R_INVALIDFILE);
        !            47:        case ENOENT:
        !            48:                return (ISC_R_FILENOTFOUND);
        !            49:        case EACCES:
        !            50:        case EPERM:
        !            51:                return (ISC_R_NOPERM);
        !            52:        case EEXIST:
        !            53:                return (ISC_R_FILEEXISTS);
        !            54:        case EIO:
        !            55:                return (ISC_R_IOERROR);
        !            56:        case ENOMEM:
        !            57:                return (ISC_R_NOMEMORY);
        !            58:        case ENFILE:    
        !            59:        case EMFILE:
        !            60:                return (ISC_R_TOOMANYOPENFILES);
        !            61:        case EPIPE:
        !            62: #ifdef ECONNRESET
        !            63:        case ECONNRESET:
        !            64: #endif
        !            65: #ifdef ECONNABORTED
        !            66:        case ECONNABORTED:
        !            67: #endif
        !            68:                return (ISC_R_CONNECTIONRESET);
        !            69: #ifdef ENOTCONN
        !            70:        case ENOTCONN:
        !            71:                return (ISC_R_NOTCONNECTED);
        !            72: #endif
        !            73: #ifdef ETIMEDOUT
        !            74:        case ETIMEDOUT:
        !            75:                return (ISC_R_TIMEDOUT);
        !            76: #endif
        !            77: #ifdef ENOBUFS
        !            78:        case ENOBUFS:
        !            79:                return (ISC_R_NORESOURCES);
        !            80: #endif
        !            81: #ifdef EAFNOSUPPORT
        !            82:        case EAFNOSUPPORT:
        !            83:                return (ISC_R_FAMILYNOSUPPORT);
        !            84: #endif
        !            85: #ifdef ENETDOWN
        !            86:        case ENETDOWN:
        !            87:                return (ISC_R_NETDOWN);
        !            88: #endif
        !            89: #ifdef EHOSTDOWN
        !            90:        case EHOSTDOWN:
        !            91:                return (ISC_R_HOSTDOWN);
        !            92: #endif
        !            93: #ifdef ENETUNREACH
        !            94:        case ENETUNREACH:
        !            95:                return (ISC_R_NETUNREACH);
        !            96: #endif
        !            97: #ifdef EHOSTUNREACH
        !            98:        case EHOSTUNREACH:
        !            99:                return (ISC_R_HOSTUNREACH);
        !           100: #endif
        !           101: #ifdef EADDRINUSE
        !           102:        case EADDRINUSE:
        !           103:                return (ISC_R_ADDRINUSE);
        !           104: #endif
        !           105:        case EADDRNOTAVAIL:
        !           106:                return (ISC_R_ADDRNOTAVAIL);
        !           107:        case ECONNREFUSED:
        !           108:                return (ISC_R_CONNREFUSED);
        !           109:        default:
        !           110:                isc__strerror(posixerrno, strbuf, sizeof(strbuf));
        !           111:                UNEXPECTED_ERROR(__FILE__, __LINE__,
        !           112:                                 "unable to convert errno "
        !           113:                                 "to isc_result: %d: %s",
        !           114:                                 posixerrno, strbuf);
        !           115:                /*
        !           116:                 * XXXDCL would be nice if perhaps this function could
        !           117:                 * return the system's error string, so the caller
        !           118:                 * might have something more descriptive than "unexpected
        !           119:                 * error" to log with.
        !           120:                 */
        !           121:                return (ISC_R_UNEXPECTED);
        !           122:        }
        !           123: }