00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
129 lines
3.2 KiB
C
129 lines
3.2 KiB
C
/* $NetBSD: errno2result.c,v 1.5 2014/12/10 04:38:01 christos Exp $ */
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/*
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* Copyright (C) 2004, 2005, 2007, 2011-2013 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 2000-2002 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Id */
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/*! \file */
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#include <config.h>
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#include <isc/result.h>
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#include <isc/strerror.h>
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#include <isc/util.h>
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#include "errno2result.h"
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/*%
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* Convert a POSIX errno value into an isc_result_t. The
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* list of supported errno values is not complete; new users
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* of this function should add any expected errors that are
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* not already there.
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*/
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isc_result_t
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isc___errno2result(int posixerrno, const char *file, unsigned int line) {
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char strbuf[ISC_STRERRORSIZE];
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switch (posixerrno) {
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case ENOTDIR:
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case ELOOP:
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case EINVAL: /* XXX sometimes this is not for files */
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case ENAMETOOLONG:
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case EBADF:
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return (ISC_R_INVALIDFILE);
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case ENOENT:
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return (ISC_R_FILENOTFOUND);
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case EACCES:
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case EPERM:
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return (ISC_R_NOPERM);
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case EEXIST:
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return (ISC_R_FILEEXISTS);
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case EIO:
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return (ISC_R_IOERROR);
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case ENOMEM:
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return (ISC_R_NOMEMORY);
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case ENFILE:
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case EMFILE:
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return (ISC_R_TOOMANYOPENFILES);
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#ifdef EOVERFLOW
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case EOVERFLOW:
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return (ISC_R_RANGE);
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#endif
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case EPIPE:
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#ifdef ECONNRESET
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case ECONNRESET:
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#endif
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#ifdef ECONNABORTED
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case ECONNABORTED:
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#endif
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return (ISC_R_CONNECTIONRESET);
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#ifdef ENOTCONN
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case ENOTCONN:
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return (ISC_R_NOTCONNECTED);
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#endif
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#ifdef ETIMEDOUT
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case ETIMEDOUT:
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return (ISC_R_TIMEDOUT);
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#endif
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#ifdef ENOBUFS
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case ENOBUFS:
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return (ISC_R_NORESOURCES);
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#endif
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#ifdef EAFNOSUPPORT
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case EAFNOSUPPORT:
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return (ISC_R_FAMILYNOSUPPORT);
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#endif
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#ifdef ENETDOWN
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case ENETDOWN:
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return (ISC_R_NETDOWN);
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#endif
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#ifdef EHOSTDOWN
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case EHOSTDOWN:
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return (ISC_R_HOSTDOWN);
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#endif
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#ifdef ENETUNREACH
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case ENETUNREACH:
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return (ISC_R_NETUNREACH);
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#endif
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#ifdef EHOSTUNREACH
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case EHOSTUNREACH:
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return (ISC_R_HOSTUNREACH);
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#endif
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#ifdef EADDRINUSE
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case EADDRINUSE:
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return (ISC_R_ADDRINUSE);
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#endif
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case EADDRNOTAVAIL:
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return (ISC_R_ADDRNOTAVAIL);
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case ECONNREFUSED:
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return (ISC_R_CONNREFUSED);
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default:
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isc__strerror(posixerrno, strbuf, sizeof(strbuf));
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UNEXPECTED_ERROR(file, line, "unable to convert errno "
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"to isc_result: %d: %s",
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posixerrno, strbuf);
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/*
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* XXXDCL would be nice if perhaps this function could
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* return the system's error string, so the caller
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* might have something more descriptive than "unexpected
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* error" to log with.
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*/
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return (ISC_R_UNEXPECTED);
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}
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}
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