1. Elena Pourmal
  2. hdf5_ep

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​
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/******************/
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/* Local Typedefs */
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/******************/
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​
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​
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/********************/
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/* Local Prototypes */
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/********************/
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​
 
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static void *H5O_group_get_copy_file_udata(void);
 
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static void H5O_group_free_copy_file_udata(void *udata);
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static htri_t H5O_group_isa(H5O_t *loc);
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static hid_t H5O_group_open(const H5G_loc_t *obj_loc, hid_t lapl_id,
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    hid_t dxpl_id, hbool_t app_ref);
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static void *H5O_group_create(H5F_t *f, void *_crt_info, H5G_loc_t *obj_loc,
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    hid_t dxpl_id);
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static H5O_loc_t *H5O_group_get_oloc(hid_t obj_id);
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static herr_t H5O_group_bh_info(H5F_t *f, hid_t dxpl_id, H5O_t *oh,
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    H5_ih_info_t *bh_info);
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​
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​
Show more
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​
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​
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/*******************/
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/* Local Variables */
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/*******************/
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​
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/* This message derives from H5O object class */
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const H5O_obj_class_t H5O_OBJ_GROUP[1] = {{
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    H5O_TYPE_GROUP,     /* object type          */
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    "group",            /* object name, for debugging   */
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-
    NULL,           /* get 'copy file' user data    */
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    NULL,           /* free 'copy file' user data   */
 
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    H5O_group_get_copy_file_udata, /* get 'copy file' user data */
 
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    H5O_group_free_copy_file_udata, /* free 'copy file' user data */
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    H5O_group_isa,      /* "isa" message        */
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    H5O_group_open,         /* open an object of this class */
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    H5O_group_create,       /* create an object of this class */
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    H5O_group_get_oloc,     /* get an object header location for an object */
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    H5O_group_bh_info       /* get the index & heap info for an object */
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}};
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​
 
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/* Declare the external free list to manage the H5O_ginfo_t struct */
 
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H5FL_DEFINE(H5G_copy_file_ud_t);
 
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​
 
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•
 
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/*-------------------------------------------------------------------------
 
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 * Function:    H5O_group_get_copy_file_udata
 
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 *
 
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 * Purpose: Allocates the user data needed for copying a group's
 
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 *      object header from file to file.
 
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 *
 
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 * Return:  Success:    Non-NULL pointer to user data
 
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 *
 
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 *      Failure:    NULL
 
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 *
 
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 * Programmer:  Neil Fortner
 
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 *              Thursday, July 30, 2009
 
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 *
 
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 *-------------------------------------------------------------------------
 
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 */
 
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static void *
 
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H5O_group_get_copy_file_udata(void)
 
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{
 
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    void *ret_value;       /* Return value */
 
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​
 
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    FUNC_ENTER_NOAPI_NOINIT(H5O_group_get_copy_file_udata)
 
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​
 
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    /* Allocate space for the 'copy file' user data for copying groups.
 
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     * Currently this is only a ginfo, so there is no specific struct type for
 
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     * this operation. */
 
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    if(NULL == (ret_value = H5FL_CALLOC(H5G_copy_file_ud_t)))
 
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        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
 
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​
 
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done:
 
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    FUNC_LEAVE_NOAPI(ret_value)
 
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} /* end H5O_group_get_copy_file_udata() */
 
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​
 
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•
 
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/*-------------------------------------------------------------------------
 
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 * Function:    H5O_group_free_copy_file_udata
 
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 *
 
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 * Purpose: Release the user data needed for copying a group's
 
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 *      object header from file to file.
 
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 *
 
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 * Return:  <none>
 
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 *
 
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 * Programmer:  Neil Fortner
 
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 *              Thursday, July 30, 2009
 
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 *
 
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 *-------------------------------------------------------------------------
 
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 */
 
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static void
 
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H5O_group_free_copy_file_udata(void *_udata)
 
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{
 
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    H5G_copy_file_ud_t *udata = (H5G_copy_file_ud_t *)_udata;
 
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​
 
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    FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_group_free_copy_file_udata)
 
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​
 
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    /* Sanity check */
 
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    HDassert(udata);
 
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​
 
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    /* Free the ginfo struct (including nested data structs) */
 
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    H5O_msg_free(H5O_PLINE_ID, udata->common.src_pline);
 
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​
 
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    /* Release space for 'copy file' user data (ginfo struct) */
 
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    (void)H5FL_FREE(H5G_copy_file_ud_t, udata);
 
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​
 
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    FUNC_LEAVE_NOAPI_VOID
 
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} /* end H5O_group_free_copy_file_udata() */
 
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​
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•
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/*-------------------------------------------------------------------------
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 * Function:    H5O_group_isa
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 *
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 * Purpose: Determines if an object has the requisite messages for being
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 *      a group.
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 *
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 * Return:  Success:    TRUE if the required group messages are
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 *              present; FALSE otherwise.
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 *