fs47rmdir.c

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#ifdef FSS_FTR

#define ACCESS_RIGHTS_INTERNAL_FS
#define FS47RMDIR_C

#include "Fs.h"


#undef  FILE_NUMBER
#define FILE_NUMBER 47 



#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 1


void Fs47_01RmDir( void * pp_Param )
{
   t_FsCmdRmDir * pl_Param = (t_FsCmdRmDir *) pp_Param;
   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;
   t_fsEntityStruct * pl_FsEntityPtr;	/* Pointer on entity's CB */
   t_fsVolStruct * pl_Volume;

    /* Get entity's context pointer */
    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, ( fsPath *)pl_Param->p_Path, 
						&pl_RestOfPath, &sl_Info, 
						&MC_FS_STATUS(pl_Param));

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

    /* See if the directory which will contains the file exist ( this is needed because it
		is not possible to delete the volume -> err is ENOENT ) */
    if ( sl_Info.s_FileStatus.v_DirExist == FALSE )
    {
	/* Updates status in interface structure and return */
	MC_FS_STATUS(pl_Param) = FS_ENOENT;
	return;
    }

    /* This file do not exist? -> error */
    if ( sl_Info.s_FileStatus.v_ObjExist == FALSE)
    {
	/* Updates status in interface structure and return */
	MC_FS_STATUS(pl_Param) = FS_ENOENT;
	return;
	
    }

    /* If the object is not a directory -> err */
    if (  sl_Info.s_FileStatus.v_ObjIsFile  )
    {
	/* Object is a file and not a directory error */
	MC_FS_STATUS(pl_Param) = FS_ENOTDIR;
	return;
    }


    /* If directory not empty set a non empty error */
    if (  sl_Info.s_FileStatus.v_ObjIsEmpty == FALSE  )
    {
	/* Object is a file and not a directory error */
	MC_FS_STATUS(pl_Param) = FS_ENOTEMPTY;
	return;
    }

    /* If directory is open it can't be deleted */
    if ( MC_FS_CO_VERIFY_IF_DIR_OPEN(pl_Volume, sl_Info.v_ObjID ) == TRUE )
    {
	/* Object is a file and not a directory error */
	MC_FS_STATUS(pl_Param) = FS_EBUSY;
	return;
    }

    /* Invalid all entity's current paths which point on this directory */
    MC_FS_ED_INVALID_CURRENT_DIR( pl_Volume, sl_Info.v_ObjID);

    /* Remove this object through lower layers  ( FM ) */
    MC_FS_LL_REMOVE_FILE( &sl_Info, &MC_FS_STATUS(pl_Param) );
}



#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 2

u32 Fs47_02ProcessRmDir( u8 vp_Behaviour, const fsPath * pp_Path )
{
   /* Reserve message space */
   t_FsCmdRmDir * pl_RmDir = (t_FsCmdRmDir*) MC_FS_GET_MEMORY(sizeof(t_FsCmdRmDir));

    /* Fill message with input parameters */
    pl_RmDir->p_Path = pp_Path;

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


#endif /* FSS_FTR */