efi/libefi/errno.c

	errno.c revision 199767f8919635c4928607450d9e0abb932109ce
/*-
 * Copyright (c) 2006 Marcel Moolenaar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <efi.h>
#include <efilib.h>

int
efi_status_to_errno(EFI_STATUS status)
{
    int errno;

    switch (status) {
    case EFI_ACCESS_DENIED:
        errno = EPERM;
        break;

    case EFI_BUFFER_TOO_SMALL:
        errno = EOVERFLOW;
        break;

    case EFI_DEVICE_ERROR:
    case EFI_VOLUME_CORRUPTED:
        errno = EIO;
        break;

    case EFI_INVALID_PARAMETER:
        errno = EINVAL;
        break;

    case EFI_MEDIA_CHANGED:
        errno = ESTALE;
        break;

    case EFI_NO_MEDIA:
        errno = ENXIO;
        break;

    case EFI_NOT_FOUND:
        errno = ENOENT;
        break;

    case EFI_OUT_OF_RESOURCES:
        errno = ENOMEM;
        break;

    case EFI_UNSUPPORTED:
        errno = ENODEV;
        break;

    case EFI_VOLUME_FULL:
        errno = ENOSPC;
        break;

    case EFI_WRITE_PROTECTED:
        errno = EACCES;
        break;

    case 0:
        errno = 0;
        break;

    default:
        errno = EDOOFUS;
        break;
    }

    return (errno);
}