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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#include "errno2result.h"
#include <stdbool.h>
#include <winsock2.h>
#include <isc/result.h>
#include <isc/strerr.h>
#include <isc/string.h>
#include <isc/util.h>
/*
* Convert a POSIX errno value into an isc_result_t. The
* list of supported errno values is not complete; new users
* of this function should add any expected errors that are
* not already there.
*/
isc_result_t
isc__errno2resultx(int posixerrno, bool dolog, const char *file, int line) {
char strbuf[ISC_STRERRORSIZE];
switch (posixerrno) {
case ENOTDIR:
case WSAELOOP:
case WSAEINVAL:
case EINVAL: /* XXX sometimes this is not for files */
case ENAMETOOLONG:
case WSAENAMETOOLONG:
case EBADF:
case WSAEBADF:
return (ISC_R_INVALIDFILE);
case ENOENT:
return (ISC_R_FILENOTFOUND);
case EACCES:
case WSAEACCES:
case EPERM:
return (ISC_R_NOPERM);
case EEXIST:
return (ISC_R_FILEEXISTS);
case EIO:
return (ISC_R_IOERROR);
case ENOMEM:
return (ISC_R_NOMEMORY);
#ifdef EOVERFLOW
case EOVERFLOW:
return (ISC_R_RANGE);
#endif /* ifdef EOVERFLOW */
case ENFILE:
case EMFILE:
case WSAEMFILE:
return (ISC_R_TOOMANYOPENFILES);
case ENOSPC:
return (ISC_R_DISCFULL);
case ERROR_CANCELLED:
return (ISC_R_CANCELED);
case ERROR_CONNECTION_REFUSED:
case WSAECONNREFUSED:
return (ISC_R_CONNREFUSED);
case WSAENOTCONN:
case ERROR_CONNECTION_INVALID:
return (ISC_R_NOTCONNECTED);
case ERROR_HOST_UNREACHABLE:
case WSAEHOSTUNREACH:
return (ISC_R_HOSTUNREACH);
case ERROR_NETWORK_UNREACHABLE:
case WSAENETUNREACH:
return (ISC_R_NETUNREACH);
case ERROR_NO_NETWORK:
return (ISC_R_NETUNREACH);
case ERROR_PORT_UNREACHABLE:
return (ISC_R_HOSTUNREACH);
case ERROR_SEM_TIMEOUT:
return (ISC_R_TIMEDOUT);
case WSAECONNRESET:
case WSAENETRESET:
case WSAECONNABORTED:
case WSAEDISCON:
case ERROR_OPERATION_ABORTED:
case ERROR_CONNECTION_ABORTED:
case ERROR_REQUEST_ABORTED:
return (ISC_R_CONNECTIONRESET);
case WSAEADDRNOTAVAIL:
return (ISC_R_ADDRNOTAVAIL);
case ERROR_NETNAME_DELETED:
case WSAENETDOWN:
return (ISC_R_NETUNREACH);
case WSAEHOSTDOWN:
return (ISC_R_HOSTUNREACH);
case WSAENOBUFS:
return (ISC_R_NORESOURCES);
default:
if (dolog) {
strerror_r(posixerrno, strbuf, sizeof(strbuf));
UNEXPECTED_ERROR(file, line,
"unable to convert errno "
"to isc_result: %d: %s",
posixerrno, strbuf);
}
/*
* XXXDCL would be nice if perhaps this function could
* return the system's error string, so the caller
* might have something more descriptive than "unexpected
* error" to log with.
*/
return (ISC_R_UNEXPECTED);
}
}
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