fs27rewind.c

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#ifdef FSS_FTR
#define ACCESS_RIGHTS_INTERNAL_FS
#define FS27REWIND_C

#undef  FILE_NUMBER
#define FILE_NUMBER 27 

#include "Fs.h"

#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 1

void Fs27_01Rewind( void * pp_Param )
{
   register t_FsCmdRewind * pl_Param = ( t_FsCmdRewind * ) pp_Param;

   register t_fsFILE * pl_Stream = pl_Param->p_Stream;

/* #ifdef FS_DEBUG  */
    /* Verify if  vp_Stream point on a stream if not OK enter an exception */
    MC_FS_CO_VERIFY_IF_IS_FILE_OF_ENTITY( pl_Param, pl_Stream );
    if ( MC_FS_STATUS(pl_Param) != FS_OK ) return;
/* #endif */


    /* Set the interlayer table pointer */
    MC_FS_LL_SET_NEW_VOL(MC_FS_VD_GET_VOL_PTR_OF_FILE( pl_Stream ));

    /* Updates file position */
    pl_Stream->v_FilePosition = 0;

    /* Update IO buffer content from file */
    MC_FS_BF_UPDATE_IO_BUFF_FROM_FILE( pl_Stream, 0 );

    /* If file can be readen  and writen modify file state to READ_WRITE */
    if ( ( pl_Stream->s_OpenMode.v_WriteEnabled == TRUE ) 
				&& 
	 ( pl_Stream->s_OpenMode.v_ReadEnabled == TRUE ) 
       )
    	pl_Stream->v_StreamState = FS_SSTATE_READ_OR_WRITE;


}


#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 1

u32 Fs27_02ProcessRewind( u8 vp_Behaviour, t_fsFILE * pp_Stream )
{
   /* Reserve message space */
   t_FsCmdRewind * pl_Rewind = ( t_FsCmdRewind * ) MC_FS_GET_MEMORY(sizeof(t_FsCmdRewind));

    /* Fill message with input parameters */
    pl_Rewind->p_Stream = pp_Stream;

    /* Send message by setting operation and return command identifier */
    return( MC_FS_MA_SEND_CMD_MSG_TO_FS(vp_Behaviour, (void*)pl_Rewind,FS_CMD_REWIND_REQ));
}


#endif /* FSS_FTR */