unix_errors.c

Netscape NSPR库源码

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape Portable Runtime (NSPR).
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#include "primpl.h"
#if defined(_PR_POLL_AVAILABLE)
#include <poll.h>
#endif
#include <errno.h>

void _MD_unix_map_default_error(int err)
{
    PRErrorCode prError;

    switch (err ) {
        case EACCES:
            prError = PR_NO_ACCESS_RIGHTS_ERROR;
            break;
        case EADDRINUSE:
            prError = PR_ADDRESS_IN_USE_ERROR;
            break;
        case EADDRNOTAVAIL:
            prError = PR_ADDRESS_NOT_AVAILABLE_ERROR;
            break;
        case EAFNOSUPPORT:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case EAGAIN:
            prError = PR_WOULD_BLOCK_ERROR;
            break;
        /*
         * On QNX and Neutrino, EALREADY is defined as EBUSY.
         */
#if EALREADY != EBUSY
        case EALREADY:
            prError = PR_ALREADY_INITIATED_ERROR;
            break;
#endif
        case EBADF:
            prError = PR_BAD_DESCRIPTOR_ERROR;
            break;
#ifdef EBADMSG
        case EBADMSG:
            prError = PR_IO_ERROR;
            break;
#endif
        case EBUSY:
            prError = PR_FILESYSTEM_MOUNTED_ERROR;
            break;
        case ECONNABORTED:
            prError = PR_CONNECT_ABORTED_ERROR;
            break;
        case ECONNREFUSED:
            prError = PR_CONNECT_REFUSED_ERROR;
            break;
        case ECONNRESET:
            prError = PR_CONNECT_RESET_ERROR;
            break;
        case EDEADLK:
            prError = PR_DEADLOCK_ERROR;
            break;
#ifdef EDIRCORRUPTED
        case EDIRCORRUPTED:
            prError = PR_DIRECTORY_CORRUPTED_ERROR;
            break;
#endif
#ifdef EDQUOT
        case EDQUOT:
            prError = PR_NO_DEVICE_SPACE_ERROR;
            break;
#endif
        case EEXIST:
            prError = PR_FILE_EXISTS_ERROR;
            break;
        case EFAULT:
            prError = PR_ACCESS_FAULT_ERROR;
            break;
        case EFBIG:
            prError = PR_FILE_TOO_BIG_ERROR;
            break;
        case EINPROGRESS:
            prError = PR_IN_PROGRESS_ERROR;
            break;
        case EINTR:
            prError = PR_PENDING_INTERRUPT_ERROR;
            break;
        case EINVAL:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
        case EIO:
            prError = PR_IO_ERROR;
            break;
        case EISCONN:
            prError = PR_IS_CONNECTED_ERROR;
            break;
        case EISDIR:
            prError = PR_IS_DIRECTORY_ERROR;
            break;
        case ELOOP:
            prError = PR_LOOP_ERROR;
            break;
        case EMFILE:
            prError = PR_PROC_DESC_TABLE_FULL_ERROR;
            break;
        case EMLINK:
            prError = PR_MAX_DIRECTORY_ENTRIES_ERROR;
            break;
        case EMSGSIZE:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
#ifdef EMULTIHOP
        case EMULTIHOP:
            prError = PR_REMOTE_FILE_ERROR;
            break;
#endif
        case ENAMETOOLONG:
            prError = PR_NAME_TOO_LONG_ERROR;
            break;
        case ENETUNREACH:
            prError = PR_NETWORK_UNREACHABLE_ERROR;
            break;
        case ENFILE:
            prError = PR_SYS_DESC_TABLE_FULL_ERROR;
            break;
        /*
         * On SCO OpenServer 5, ENOBUFS is defined as ENOSR.
         */
#if defined(ENOBUFS) && (ENOBUFS != ENOSR)
        case ENOBUFS:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
#endif
        case ENODEV:
            prError = PR_FILE_NOT_FOUND_ERROR;
            break;
        case ENOENT:
            prError = PR_FILE_NOT_FOUND_ERROR;
            break;
        case ENOLCK:
            prError = PR_FILE_IS_LOCKED_ERROR;
            break;
#ifdef ENOLINK 
        case ENOLINK:
            prError = PR_REMOTE_FILE_ERROR;
            break;
#endif
        case ENOMEM:
            prError = PR_OUT_OF_MEMORY_ERROR;
            break;
        case ENOPROTOOPT:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
        case ENOSPC:
            prError = PR_NO_DEVICE_SPACE_ERROR;
            break;
#ifdef ENOSR
        case ENOSR:
            prError = PR_INSUFFICIENT_RESOURCES_ERROR;
            break;
#endif
        case ENOTCONN:
            prError = PR_NOT_CONNECTED_ERROR;
            break;
        case ENOTDIR:
            prError = PR_NOT_DIRECTORY_ERROR;
            break;
        case ENOTSOCK:
            prError = PR_NOT_SOCKET_ERROR;
            break;
        case ENXIO:
            prError = PR_FILE_NOT_FOUND_ERROR;
            break;
        case EOPNOTSUPP:
            prError = PR_NOT_TCP_SOCKET_ERROR;
            break;
#ifdef EOVERFLOW
        case EOVERFLOW:
            prError = PR_BUFFER_OVERFLOW_ERROR;
            break;
#endif
        case EPERM:
            prError = PR_NO_ACCESS_RIGHTS_ERROR;
            break;
        case EPIPE:
            prError = PR_CONNECT_RESET_ERROR;
            break;
#ifdef EPROTO
        case EPROTO:
            prError = PR_IO_ERROR;
            break;
#endif
        case EPROTONOSUPPORT:
            prError = PR_PROTOCOL_NOT_SUPPORTED_ERROR;
            break;
        case EPROTOTYPE:
            prError = PR_ADDRESS_NOT_SUPPORTED_ERROR;
            break;
        case ERANGE:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        case EROFS:
            prError = PR_READ_ONLY_FILESYSTEM_ERROR;
            break;
        case ESPIPE:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        case ETIMEDOUT:
            prError = PR_IO_TIMEOUT_ERROR;
            break;
#if EWOULDBLOCK != EAGAIN
        case EWOULDBLOCK:
            prError = PR_WOULD_BLOCK_ERROR;
            break;
#endif
        case EXDEV:
            prError = PR_NOT_SAME_DEVICE_ERROR;
            break;
        default:
            prError = PR_UNKNOWN_ERROR;
            break;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_opendir_error(int err)
{
    _MD_unix_map_default_error(err);
}

void _MD_unix_map_closedir_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case EINVAL:
            prError = PR_BAD_DESCRIPTOR_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_readdir_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case ENOENT:
            prError = PR_NO_MORE_FILES_ERROR;
            break;
#ifdef EOVERFLOW
        case EOVERFLOW:
            prError = PR_IO_ERROR;
            break;
#endif
        case EINVAL:
            prError = PR_IO_ERROR;
            break;
        case ENXIO:
            prError = PR_IO_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_unlink_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case EPERM:
            prError = PR_IS_DIRECTORY_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_stat_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_fstat_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_rename_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case EEXIST:
            prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_access_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_mkdir_error(int err)
{
    _MD_unix_map_default_error(err);
}

void _MD_unix_map_rmdir_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        /*
         * On AIX 4.3, ENOTEMPTY is defined as EEXIST.
         */
#if ENOTEMPTY != EEXIST
        case ENOTEMPTY:
            prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
            break;
#endif
        case EEXIST:
            prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
            break;
        case EINVAL:
            prError = PR_DIRECTORY_NOT_EMPTY_ERROR;
            break;
        case ETIMEDOUT:
            prError = PR_REMOTE_FILE_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_read_error(int err)
{
    PRErrorCode prError;

    switch (err) {
        case EINVAL:
            prError = PR_INVALID_METHOD_ERROR;
            break;
        case ENXIO:
            prError = PR_INVALID_ARGUMENT_ERROR;
            break;
        default:
            _MD_unix_map_default_error(err);
            return;
    }
    PR_SetError(prError, err);
}

void _MD_unix_map_write_error(int err)
{