fs55getfileadr.c

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#ifdef FSS_FTR
#define ACCESS_RIGHTS_INTERNAL_FS
#define FS55GETFILEADDR_C

#undef  FILE_NUMBER
#define FILE_NUMBER 55 

#include "Fs.h"

#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 1

void Fs55_01GetFileAddress( void * pp_Param )
{
   t_fsVolStruct * pl_Volume;
   t_FsCmdGetFileAddr * pl_Param = (t_FsCmdGetFileAddr *) pp_Param;

   t_fsEntityStruct * pl_FsEntityPtr = NIL;	/* Pointer on entity's CB */

   fsPath * pl_RestOfPath;   /* Point in the path after the volume name or if the current path is
				available pointer on it */
   t_ObjectInfo sl_Info;      /* Information on an object given from LL */
   s32 vl_NumbOfFiles;


    /* Get entity's context pointer if current path used ( file path begin not with slatch ) */
    if ( *pl_Param->p_FileName != '/' )
    	pl_FsEntityPtr = MC_FS_ED_GET_ENTITY_PTR( MC_FS_KERNEL_ID(pl_Param) );

    /* Get volume of object */
    pl_Volume =  MC_FS_CO_GIVE_VOLUME_FROM_PATH( pl_FsEntityPtr, (ascii*)pl_Param->p_FileName, 
						&pl_RestOfPath, &sl_Info, 
						&MC_FS_STATUS(pl_Param));

    /* If no volume return ( status was update by function ) */
    if ( pl_Volume == NIL ) return;

    /* If rest of path empty  no file name can be present -> err no entry */ 
    if ( pl_RestOfPath == NIL )
    {
 	MC_FS_STATUS(pl_Param) = FS_ENOENT;
	return;
    }


    /* Set the interlayer table pointer */
    MC_FS_LL_SET_NEW_VOL(pl_Volume);

 
    /* Take info on object ( dir exist, object exist, ...) at low layers */
    MC_FS_LL_GET_OBJECT_INFO (&sl_Info, pl_RestOfPath, &MC_FS_STATUS(pl_Param));

    /* If an error in info get return */
    if ( MC_FS_STATUS(pl_Param) != FS_OK ) return;

    /* This file exist ? */
    if ( sl_Info.s_FileStatus.v_ObjExist )
    {
  	/* Verify if object is a file */
        if ( sl_Info.s_FileStatus.v_ObjIsFile == FALSE )
	{
	    /* Object is not a file but a directory error */
	    MC_FS_STATUS(pl_Param) = FS_EISDIR;
	    return;
	}
    }
    else
    {
   	/* No object exist return no entry */
 	MC_FS_STATUS(pl_Param) = FS_ENOENT;
	return;

    }

    /* Call lower layers to have address of file */
    pl_Param->p_FileAddr = NIL; /* Address buffer is to allocate by lower layers */
    MC_FS_LL_GET_FILES_ADDR( FS_READ_SINGLE_ADDR_WITH_ID, sl_Info.v_ObjID, 0, NIL ,1 , 	
				&pl_Param->p_FileAddr, 0, &vl_NumbOfFiles, &MC_FS_STATUS(pl_Param) );

}


#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 2

u32 Fs55_02ProcessGetFileAddress( const fssPath * pp_FileName )
{
   /* Reserve message space */
   t_FsCmdGetFileAddr * pl_GetFileAddr = (t_FsCmdGetFileAddr *)
				 MC_FS_GET_MEMORY(sizeof(t_FsCmdGetFileAddr));

    /* Fill message with input parameters */
    pl_GetFileAddr->p_FileName = pp_FileName;

    /* Send message by setting operation and return command identifier */
    return( MC_FS_MA_SEND_CMD_MSG_TO_FS( FS_WITH_ACK, (void*) pl_GetFileAddr, FS_CMD_GETFILEADDR_REQ));
}

#endif /* FSS_FTR */