/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation 
 * 
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 * 
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** FileX Component                                                       */
/**                                                                       */
/**   Fault Tolerant                                                      */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define FX_SOURCE_CODE


/* Include necessary system files.  */

#include "fx_api.h"
#ifdef FX_ENABLE_FAULT_TOLERANT
#include "fx_fault_tolerant.h"

FX_CALLER_CHECKING_EXTERNS


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _fxe_fault_tolerant_enable                          PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    William E. Lamie, Microsoft Corporation                             */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks for errors in the fault tolerant enable call.  */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    media_ptr                             Media control block pointer   */
/*    memory_buffer                         Pointer to memory buffer.     */
/*    memory_size                           Size of memory buffer. It must*/
/*                                            be one sector.              */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    return status                                                       */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _fx_fault_tolerant_enable             Actual enable service         */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/*  RELEASE HISTORY                                                       */
/*                                                                        */
/*    DATE              NAME                      DESCRIPTION             */
/*                                                                        */
/*  05-19-2020     William E. Lamie         Initial Version 6.0           */
/*  09-30-2020     William E. Lamie         Modified comment(s),          */
/*                                            resulting in version 6.1    */
/*                                                                        */
/**************************************************************************/
UINT  _fxe_fault_tolerant_enable(FX_MEDIA *media_ptr, VOID *memory_buffer, UINT memory_size)
{

UINT status;


    /* Check for a null media pointer or buffer pointer.  */
    if ((media_ptr == FX_NULL) || (memory_buffer == FX_NULL))
    {
        return(FX_PTR_ERROR);
    }

    /* Check for a valid caller.  */
    FX_CALLER_CHECKING_CODE

    /* Call actual fault tolerant enable service.  */
    status =  _fx_fault_tolerant_enable(media_ptr, memory_buffer, memory_size);

    /* Return status to the caller.  */
    return(status);
}
#endif /* FX_ENABLE_FAULT_TOLERANT */