path: root/cpukit/libfs/src/imfs/deviceerrno.c

/*
 *  IMFS Device Node Handlers
 *
 *  This file contains the set of handlers used to map operations on
 *  IMFS device nodes onto calls to the RTEMS Classic API IO Manager.
 *
 *  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id$
 */

#if HAVE_CONFIG_H
#include "config.h"
#endif

#include <rtems.h>
#include <rtems/libio.h>
#include <rtems/assoc.h>                /* assoc.h not included by rtems.h */
#include <errno.h>

/*
 * Convert RTEMS status to a UNIX errno
 */

const rtems_assoc_t errno_assoc[] = {
    { "OK",                 RTEMS_SUCCESSFUL,                0 },
    { "BUSY",               RTEMS_RESOURCE_IN_USE,           EBUSY },
    { "INVALID NAME",       RTEMS_INVALID_NAME,              EINVAL },
    { "NOT IMPLEMENTED",    RTEMS_NOT_IMPLEMENTED,           ENOSYS },
    { "TIMEOUT",            RTEMS_TIMEOUT,                   ETIMEDOUT },
    { "NO MEMORY",          RTEMS_NO_MEMORY,                 ENOMEM },
    { "NO DEVICE",          RTEMS_UNSATISFIED,               ENODEV },
    { "INVALID NUMBER",     RTEMS_INVALID_NUMBER,            EBADF},
    { "NOT RESOURCE OWNER", RTEMS_NOT_OWNER_OF_RESOURCE,     EPERM},
    { "IO ERROR",           RTEMS_IO_ERROR,                  EIO},
    { 0, 0, 0 },
};

int
rtems_deviceio_errno(rtems_status_code code)
{
    int rc;

    if ((rc = rtems_assoc_remote_by_local(errno_assoc, (uint32_t  ) code)))
    {
        errno = rc;
        return -1;
    }
    return -1;
}