/***************************************************************************
 * 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                                                       */
/**                                                                       */
/**   Directory                                                           */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define FX_SOURCE_CODE


/* Include necessary system files.  */

#include "fx_api.h"
#include "fx_system.h"
#include "fx_file.h"
#include "fx_utility.h"
#include "fx_directory.h"

#ifndef FX_NO_LOCAL_PATH
FX_LOCAL_PATH_SETUP
#endif


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _fx_directory_local_path_clear                      PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    William E. Lamie, Microsoft Corporation                             */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function clears the local default directory of the media so    */
/*    any path relative operations will start using the media's global    */
/*    default path again.                                                 */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    media_ptr                             Media control block pointer   */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    return status                                                       */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  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  _fx_directory_local_path_clear(FX_MEDIA *media_ptr)
{


#ifndef FX_MEDIA_STATISTICS_DISABLE

    /* Increment the number of times this service has been called.  */
    media_ptr -> fx_media_directory_local_path_clears++;
#endif

    /* Check the media to make sure it is open.  */
    if (media_ptr -> fx_media_id != FX_MEDIA_ID)
    {

        /* Return the media not opened error.  */
        return(FX_MEDIA_NOT_OPEN);
    }

#ifdef FX_NO_LOCAL_PATH

    /* Error, return to caller.  */
    return(FX_NOT_IMPLEMENTED);
#else

    /* If trace is enabled, insert this event into the trace buffer.  */
    FX_TRACE_IN_LINE_INSERT(FX_TRACE_DIRECTORY_LOCAL_PATH_CLEAR, media_ptr, 0, 0, 0, FX_TRACE_DIRECTORY_EVENTS, 0, 0)

    /* Clear this thread's local path pointer.  */
    _tx_thread_current_ptr -> tx_thread_filex_ptr =  FX_NULL;

    /* Local default directory clear is complete, return status.  */
    return(FX_SUCCESS);
#endif
}