diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5D.c | 10 | ||||
| -rw-r--r-- | src/H5Fint.c | 61 | ||||
| -rw-r--r-- | src/H5I.c | 15 | ||||
| -rw-r--r-- | src/H5VLint.c | 183 |
4 files changed, 179 insertions, 90 deletions
@@ -1013,6 +1013,7 @@ herr_t H5Drefresh(hid_t dset_id) { H5VL_object_t *vol_obj; /* Dataset for this operation */ + hbool_t vol_wrapper_set = FALSE; /* Whether the VOL object wrapping context was set up */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) @@ -1026,12 +1027,21 @@ H5Drefresh(hid_t dset_id) if(H5CX_set_loc(dset_id) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, FAIL, "can't set collective metadata read info") + /* Set wrapper info in API context */ + if(H5VL_set_vol_wrapper(vol_obj->data, vol_obj->plugin) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTSET, H5I_INVALID_HID, "can't set VOL wrapper info") + vol_wrapper_set = TRUE; + /* Refresh the dataset object */ if((ret_value = H5VL_dataset_specific(vol_obj->data, vol_obj->plugin->cls, H5VL_DATASET_REFRESH, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, dset_id)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTLOAD, FAIL, "unable to refresh dataset") done: + /* Reset object wrapping info in API context */ + if(vol_wrapper_set && H5VL_reset_vol_wrapper() < 0) + HDONE_ERROR(H5E_OHDR, H5E_CANTSET, H5I_INVALID_HID, "can't reset VOL wrapper info") + FUNC_LEAVE_API(ret_value) } /* end H5Drefresh() */ diff --git a/src/H5Fint.c b/src/H5Fint.c index b53a83c..18b804b 100644 --- a/src/H5Fint.c +++ b/src/H5Fint.c @@ -307,11 +307,11 @@ H5F__get_objects(const H5F_t *f, unsigned types, size_t max_nobjs, hid_t *obj_id if(types & H5F_OBJ_LOCAL) { olist.file_info.local = TRUE; olist.file_info.ptr.file = f; - } + } /* end if */ else { olist.file_info.local = FALSE; olist.file_info.ptr.shared = f ? f->shared : NULL; - } + } /* end else */ /* Iterate through file IDs to count the number, and put their * IDs on the object list. */ @@ -319,7 +319,7 @@ H5F__get_objects(const H5F_t *f, unsigned types, size_t max_nobjs, hid_t *obj_id olist.obj_type = H5I_FILE; if(H5I_iterate(H5I_FILE, H5F__get_objects_cb, &olist, app_ref) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(1)") - } + } /* end if */ /* If the caller just wants to count the number of objects (OLIST.MAX_NOBJS is zero), * or the caller wants to get the list of IDs and the list isn't full, @@ -330,8 +330,8 @@ H5F__get_objects(const H5F_t *f, unsigned types, size_t max_nobjs, hid_t *obj_id olist.obj_type = H5I_DATASET; if(H5I_iterate(H5I_DATASET, H5F__get_objects_cb, &olist, app_ref) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(2)") - } - } + } /* end if */ + } /* end if */ /* If the caller just wants to count the number of objects (OLIST.MAX_NOBJS is zero), * or the caller wants to get the list of IDs and the list isn't full, @@ -342,8 +342,8 @@ H5F__get_objects(const H5F_t *f, unsigned types, size_t max_nobjs, hid_t *obj_id olist.obj_type = H5I_GROUP; if(H5I_iterate(H5I_GROUP, H5F__get_objects_cb, &olist, app_ref) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(3)") - } - } + } /* end if */ + } /* end if */ /* If the caller just wants to count the number of objects (OLIST.MAX_NOBJS is zero), * or the caller wants to get the list of IDs and the list isn't full, @@ -354,8 +354,8 @@ H5F__get_objects(const H5F_t *f, unsigned types, size_t max_nobjs, hid_t *obj_id olist.obj_type = H5I_DATATYPE; if(H5I_iterate(H5I_DATATYPE, H5F__get_objects_cb, &olist, app_ref) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(4)") - } - } + } /* end if */ + } /* end if */ /* If the caller just wants to count the number of objects (OLIST.MAX_NOBJS is zero), * or the caller wants to get the list of IDs and the list isn't full, @@ -366,8 +366,8 @@ H5F__get_objects(const H5F_t *f, unsigned types, size_t max_nobjs, hid_t *obj_id olist.obj_type = H5I_ATTR; if(H5I_iterate(H5I_ATTR, H5F__get_objects_cb, &olist, app_ref) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "iteration failed(5)") - } - } + } /* end if */ + } /* end if */ /* Set the number of objects currently open */ *obj_id_count_ptr = obj_id_count; @@ -409,8 +409,8 @@ H5F__get_objects_cb(void *obj_ptr, hid_t obj_id, void *key) (!olist->file_info.ptr.shared || (olist->file_info.ptr.shared && ((H5F_t*)obj_ptr)->shared == olist->file_info.ptr.shared)))) { add_obj = TRUE; - } - } + } /* end if */ + } /* end if */ else { /* Either count opened object IDs or put the IDs on the list */ H5O_loc_t *oloc; /* Group entry info for object */ @@ -460,7 +460,7 @@ H5F__get_objects_cb(void *obj_ptr, hid_t obj_id, void *key) (!olist->file_info.ptr.shared && olist->obj_type != H5I_DATATYPE) || (oloc && oloc->file && oloc->file->shared == olist->file_info.ptr.shared)))) { add_obj = TRUE; - } + } /* end if */ } /* end else */ if(add_obj) { @@ -468,7 +468,7 @@ H5F__get_objects_cb(void *obj_ptr, hid_t obj_id, void *key) if(olist->obj_id_list) { olist->obj_id_list[olist->list_index] = obj_id; olist->list_index++; - } + } /* end if */ /* Increment the number of open objects */ if(olist->obj_id_count) @@ -481,7 +481,7 @@ H5F__get_objects_cb(void *obj_ptr, hid_t obj_id, void *key) */ if(olist->max_nobjs > 0 && olist->list_index >= olist->max_nobjs) HGOTO_DONE(H5_ITER_STOP) /* Indicate that the iterator should stop */ - } + } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) @@ -3236,6 +3236,7 @@ H5F__start_swmr_write(H5F_t *f) size_t u; /* Local index variable */ hbool_t setup = FALSE; /* Boolean flag to indicate whether SWMR setting is enabled */ H5VL_t *vol_plugin = NULL; /* VOL plugin for the file */ + hbool_t vol_wrapper_set = FALSE; /* Whether the VOL object wrapping context was set up */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE @@ -3275,16 +3276,16 @@ H5F__start_swmr_write(H5F_t *f) HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file's cached information") /* Get the # of opened named datatypes and attributes */ - if(H5F_get_obj_count(f, H5F_OBJ_DATATYPE|H5F_OBJ_ATTR, FALSE, &nt_attr_count) < 0) + if(H5F_get_obj_count(f, H5F_OBJ_DATATYPE | H5F_OBJ_ATTR, FALSE, &nt_attr_count) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "H5F_get_obj_count failed") - if(nt_attr_count) + if(nt_attr_count > 0) HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "named datatypes and/or attributes opened in the file") /* Get the # of opened datasets and groups */ - if(H5F_get_obj_count(f, H5F_OBJ_GROUP|H5F_OBJ_DATASET, FALSE, &grp_dset_count) < 0) + if(H5F_get_obj_count(f, H5F_OBJ_GROUP | H5F_OBJ_DATASET, FALSE, &grp_dset_count) < 0) HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "H5F_get_obj_count failed") - if(grp_dset_count) { + if(grp_dset_count > 0) { /* Allocate space for group and object locations */ if((obj_ids = (hid_t *) H5MM_malloc(grp_dset_count * sizeof(hid_t))) == NULL) HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, FAIL, "can't allocate buffer for hid_t") @@ -3299,17 +3300,25 @@ H5F__start_swmr_write(H5F_t *f) if(H5F_get_obj_ids(f, H5F_OBJ_GROUP|H5F_OBJ_DATASET, grp_dset_count, obj_ids, FALSE, &grp_dset_count) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "H5F_get_obj_ids failed") - /* Save the VOL plugin for the refresh step */ + /* Save the VOL plugin and the object wrapping context for the refresh step */ if(grp_dset_count > 0) { - H5VL_object_t *vol_obj = NULL; + H5VL_object_t *vol_obj; + /* Get the VOL object for one of the IDs */ if(NULL == (vol_obj = H5VL_vol_object(obj_ids[0]))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + HGOTO_ERROR(H5E_FILE, H5E_BADTYPE, FAIL, "invalid object identifier") + /* Set wrapper info in API context */ + if(H5VL_set_vol_wrapper(vol_obj->data, vol_obj->plugin) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set VOL wrapper info") + vol_wrapper_set = TRUE; + + /* Get the (top) plugin for the ID */ vol_plugin = vol_obj->plugin; } /* end if */ - /* Refresh opened objects (groups, datasets) in the file */ + /* Gather information about opened objects (groups, datasets) in the file */ + /* (For refresh later on) */ for(u = 0; u < grp_dset_count; u++) { H5O_loc_t *oloc; /* object location */ H5G_loc_t tmp_loc; @@ -3379,6 +3388,10 @@ H5F__start_swmr_write(H5F_t *f) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to unlock the file") done: + /* Reset object wrapping info in API context */ + if(vol_wrapper_set && H5VL_reset_vol_wrapper() < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't reset VOL wrapper info") + if(ret_value < 0 && setup) { /* Re-enable accumulator */ @@ -2034,7 +2034,7 @@ H5I__iterate_cb(void *_item, void H5_ATTR_UNUSED *_key, void *_udata) ret_value = H5_ITER_STOP; /* terminate iteration early */ else if(cb_ret_val < 0) ret_value = H5_ITER_ERROR; /* indicate failure (which terminates iteration) */ - } + } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5I__iterate_cb() */ @@ -2092,7 +2092,7 @@ H5I_iterate(H5I_type_t type, H5I_search_func_t func, void *udata, hbool_t app_re /* Iterate over IDs */ if ((iter_status = H5SL_iterate(type_ptr->ids, H5I__iterate_cb, &iter_udata)) < 0) HGOTO_ERROR(H5E_ATOM, H5E_BADITER, FAIL, "iteration failed") - } + } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) @@ -2352,9 +2352,8 @@ H5I__id_dump_cb(void *_item, void H5_ATTR_UNUSED *_key, void *_udata) const H5VL_object_t *vol_obj = (const H5VL_object_t *)item->obj_ptr; obj_ptr = H5VL_object_data(vol_obj); - if(H5_VOL_NATIVE == vol_obj->plugin->cls->value) - path = H5G_nameof(obj_ptr); + path = H5G_nameof((const H5G_t *)obj_ptr); break; } @@ -2363,9 +2362,8 @@ H5I__id_dump_cb(void *_item, void H5_ATTR_UNUSED *_key, void *_udata) const H5VL_object_t *vol_obj = (const H5VL_object_t *)item->obj_ptr; obj_ptr = H5VL_object_data(vol_obj); - if(H5_VOL_NATIVE == vol_obj->plugin->cls->value) - path = H5D_nameof(obj_ptr); + path = H5D_nameof((const H5D_t *)obj_ptr); break; } @@ -2373,9 +2371,8 @@ H5I__id_dump_cb(void *_item, void H5_ATTR_UNUSED *_key, void *_udata) { const H5T_t *dt = (const H5T_t *)item->obj_ptr; - obj_ptr = (void *)H5T_get_actual_type(dt); - - path = H5T_nameof(obj_ptr); + obj_ptr = (void *)H5T_get_actual_type((H5T_t *)dt); /* Casting away const OK - QAK */ + path = H5T_nameof((const H5T_t *)obj_ptr); break; } diff --git a/src/H5VLint.c b/src/H5VLint.c index 11deed9..f0a5253 100644 --- a/src/H5VLint.c +++ b/src/H5VLint.c @@ -43,6 +43,7 @@ /* Local Macros */ /****************/ + /******************/ /* Local Typedefs */ /******************/ @@ -58,12 +59,17 @@ typedef struct H5VL_wrap_ctx_t { /* Package Typedefs */ /********************/ + /********************/ /* Local Prototypes */ /********************/ static herr_t H5VL__free_cls(H5VL_class_t *cls); +static void *H5VL__wrap_obj(void *obj); +static H5VL_object_t *H5VL__new_vol_obj(H5I_type_t type, void *object, + H5VL_t *vol_plugin, hbool_t wrap_obj); static void *H5VL__object(hid_t id, H5I_type_t obj_type); + /*********************/ /* Package Variables */ /*********************/ @@ -71,6 +77,7 @@ static void *H5VL__object(hid_t id, H5I_type_t obj_type); /* Package initialization variable */ hbool_t H5_PKG_INIT_VAR = FALSE; + /*****************************/ /* Library Private Variables */ /*****************************/ @@ -225,6 +232,105 @@ done: /*------------------------------------------------------------------------- + * Function: H5VL__wrap_obj + * + * Purpose: Wraps a library object with possible VOL plugin wrappers, to + * match the VOL plugin stack for the file. + * + * Return: Success: Wrapped object pointer + * Failure: NULL + * + * Programmer: Quincey Koziol + * Friday, October 7, 2018 + * + *------------------------------------------------------------------------- + */ +static void * +H5VL__wrap_obj(void *obj) +{ + H5VL_wrap_ctx_t *vol_wrap_ctx = NULL; /* Object wrapping context */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_STATIC + + /* Check arguments */ + HDassert(obj); + + /* Retrieve the VOL object wrapping context */ + if(H5CX_get_vol_wrap_ctx((void **)&vol_wrap_ctx) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, NULL, "can't get VOL object wrap context") + + /* If there is a VOL object wrapping context, wrap the object */ + if(vol_wrap_ctx) { + /* Wrap object, using the VOL callback */ + if(NULL == (ret_value = H5VL_wrap_object(vol_wrap_ctx->plugin->cls, vol_wrap_ctx->obj_wrap_ctx, obj))) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, NULL, "can't wrap object") + } /* end if */ + else + ret_value = obj; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__wrap_obj() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__new_vol_obj + * + * Purpose: Creates a new VOL object, to use when registering an ID. + * + * Return: Success: VOL object pointer + * Failure: NULL + * + * Programmer: Quincey Koziol + * Friday, October 7, 2018 + * + *------------------------------------------------------------------------- + */ +static H5VL_object_t * +H5VL__new_vol_obj(H5I_type_t type, void *object, H5VL_t *vol_plugin, hbool_t wrap_obj) +{ + H5VL_object_t *new_vol_obj = NULL; /* Pointer to new VOL object */ + H5VL_object_t *ret_value = NULL; /* Return value */ + + FUNC_ENTER_STATIC + + /* Check arguments */ + HDassert(object); + HDassert(vol_plugin); + + /* Make sure type number is valid */ + if(type != H5I_ATTR && type != H5I_DATASET && type != H5I_DATATYPE && type != H5I_FILE && type != H5I_GROUP) + HGOTO_ERROR(H5E_VOL, H5E_BADVALUE, NULL, "invalid type number") + + /* Create the new VOL object */ + if(NULL == (new_vol_obj = H5FL_CALLOC(H5VL_object_t))) + HGOTO_ERROR(H5E_VOL, H5E_CANTALLOC, NULL, "can't allocate memory for VOL object") + new_vol_obj->plugin = vol_plugin; + if(wrap_obj) { + if(NULL == (new_vol_obj->data = H5VL__wrap_obj(object))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, NULL, "can't wrap library object") + } /* end if */ + else + new_vol_obj->data = object; + + /* Bump the reference count on the VOL plugin */ + vol_plugin->nrefs++; + + /* If this is a datatype, we have to hide the VOL object under the H5T_t pointer */ + if(H5I_DATATYPE == type) { + if(NULL == (ret_value = (H5VL_object_t *)H5T_construct_datatype(new_vol_obj))) + HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, NULL, "can't construct datatype object") + } /* end if */ + else + ret_value = (H5VL_object_t *)new_vol_obj; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__new_vol_obj() */ + + +/*------------------------------------------------------------------------- * Function: H5VL_register * * Purpose: VOL-aware version of H5I_register. Constructs an H5VL_object_t @@ -239,8 +345,8 @@ done: hid_t H5VL_register(H5I_type_t type, void *object, H5VL_t *vol_plugin, hbool_t app_ref) { - H5VL_object_t *vol_obj = NULL; - hid_t ret_value = H5I_INVALID_HID; + H5VL_object_t *vol_obj = NULL; /* VOL object wrapper for library object */ + hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_NOAPI(H5I_INVALID_HID) @@ -248,30 +354,13 @@ H5VL_register(H5I_type_t type, void *object, H5VL_t *vol_plugin, hbool_t app_ref HDassert(object); HDassert(vol_plugin); - /* Set up VOL object to wrap the passed-in data */ - if (NULL == (vol_obj = H5FL_CALLOC(H5VL_object_t))) - HGOTO_ERROR(H5E_VOL, H5E_CANTALLOC, H5I_INVALID_HID, "can't allocate top object structure") - vol_obj->plugin = vol_plugin; - vol_obj->data = object; - - /* Increment ref count, for new object */ - vol_plugin->nrefs++; - - /* Datatypes need special handling under the VOL, since they have a non-VOL aspect */ - if (H5I_DATATYPE == type) { - H5T_t *dt; - - /* Wrap "real" (non-named) datatype around VOL object, so it's compatible with H5T interface */ - if (NULL == (dt = H5T_construct_datatype(vol_obj))) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, H5I_INVALID_HID, "can't construct datatype object") - - /* New object is _actually_ the datatype */ - vol_obj = (H5VL_object_t *)dt; - } /* end if */ + /* Set up VOL object for the passed-in data */ + /* (Does not wrap object, since it's from a VOL callback) */ + if(NULL == (vol_obj = H5VL__new_vol_obj(type, object, vol_plugin, FALSE))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, FAIL, "can't create VOL object") /* Register VOL object as _object_ type, for future object API calls */ - /* (Except for named datatypes, as above) */ - if ((ret_value = H5I_register(type, vol_obj, app_ref)) < 0) + if((ret_value = H5I_register(type, vol_obj, app_ref)) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize handle") done: @@ -301,7 +390,6 @@ herr_t H5VL_register_using_existing_id(H5I_type_t type, void *object, H5VL_t *vol_plugin, hbool_t app_ref, hid_t existing_id) { H5VL_object_t *new_vol_obj = NULL; /* Pointer to new VOL object */ - void *stored_obj = NULL; /* Pointer to the object that will be stored */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -310,29 +398,13 @@ H5VL_register_using_existing_id(H5I_type_t type, void *object, H5VL_t *vol_plugi HDassert(object); HDassert(vol_plugin); - /* Make sure type number is valid */ - if(type != H5I_ATTR && type != H5I_DATASET && type != H5I_DATATYPE && type != H5I_FILE && type != H5I_GROUP) - HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "invalid type number") - - /* Set up the new VOL object */ - if(NULL == (new_vol_obj = H5FL_CALLOC(H5VL_object_t))) - HGOTO_ERROR(H5E_VOL, H5E_CANTALLOC, FAIL, "can't allocate memory for VOL object"); - new_vol_obj->plugin = vol_plugin; - new_vol_obj->data = object; - - /* Bump the reference count on the VOL plugin */ - vol_plugin->nrefs++; - - /* If this is a datatype, we have to hide the VOL object under the H5T_t pointer */ - if(H5I_DATATYPE == type) { - if(NULL == (stored_obj = (void *)H5T_construct_datatype(new_vol_obj))) - HGOTO_ERROR(H5E_VOL, H5E_CANTINIT, FAIL, "can't construct datatype object"); - } - else - stored_obj = (void *)new_vol_obj; + /* Set up VOL object for the passed-in data */ + /* (Wraps object, since it's a library object) */ + if(NULL == (new_vol_obj = H5VL__new_vol_obj(type, object, vol_plugin, TRUE))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, FAIL, "can't create VOL object") /* Call the underlying H5I function to complete the registration */ - if(H5I_register_using_existing_id(type, stored_obj, app_ref, existing_id) < 0) + if(H5I_register_using_existing_id(type, new_vol_obj, app_ref, existing_id) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTREGISTER, FAIL, "can't register object under existing ID") done: @@ -875,20 +947,17 @@ H5VL_wrap_register(H5I_type_t type, void *obj, hbool_t app_ref) */ if(type == H5I_DATATYPE) if(TRUE == H5T_already_vol_managed((const H5T_t *)obj)) - HGOTO_ERROR(H5E_VOL, H5E_BADTYPE, H5I_INVALID_HID, "can only get an ID for an uncommitted datatype") + HGOTO_ERROR(H5E_VOL, H5E_BADTYPE, H5I_INVALID_HID, "can't wrap an uncommitted datatype") - /* Retrieve the VOL object wrap context */ + /* Wrap the object with VOL plugin info */ + if(NULL == (new_obj = H5VL__wrap_obj(obj))) + HGOTO_ERROR(H5E_VOL, H5E_CANTCREATE, H5I_INVALID_HID, "can't wrap library object") + + /* Retrieve the VOL object wrapping context */ if(H5CX_get_vol_wrap_ctx((void **)&vol_wrap_ctx) < 0) HGOTO_ERROR(H5E_VOL, H5E_CANTGET, H5I_INVALID_HID, "can't get VOL object wrap context") - - /* If there is a VOL object wrapping context, wrap the object */ - if(vol_wrap_ctx) { - /* Wrap object */ - if(NULL == (new_obj = H5VL_wrap_object(vol_wrap_ctx->plugin->cls, vol_wrap_ctx->obj_wrap_ctx, obj))) - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, H5I_INVALID_HID, "can't wrap object") - } /* end if */ - else - new_obj = obj; + if(NULL == vol_wrap_ctx || NULL == vol_wrap_ctx->plugin) + HGOTO_ERROR(H5E_VOL, H5E_BADVALUE, H5I_INVALID_HID, "VOL object wrap context or its plugin is NULL???") /* Get an ID for the object */ if((ret_value = H5VL_register_using_vol_id(type, new_obj, vol_wrap_ctx->plugin->id, app_ref)) < 0) |