Line | Count | Source (jump to first uncovered line) |
1 | | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
2 | | * Copyright by The HDF Group. * |
3 | | * All rights reserved. * |
4 | | * * |
5 | | * This file is part of HDF5. The full HDF5 copyright notice, including * |
6 | | * terms governing use, modification, and redistribution, is contained in * |
7 | | * the COPYING file, which can be found at the root of the source code * |
8 | | * distribution tree, or in https://www.hdfgroup.org/licenses. * |
9 | | * If you do not have access to either file, you may request a copy from * |
10 | | * help@hdfgroup.org. * |
11 | | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
12 | | |
13 | | /*------------------------------------------------------------------------- |
14 | | * |
15 | | * Created: H5Aint.c |
16 | | * |
17 | | * Purpose: Internal routines for managing attributes. |
18 | | * |
19 | | *------------------------------------------------------------------------- |
20 | | */ |
21 | | |
22 | | /****************/ |
23 | | /* Module Setup */ |
24 | | /****************/ |
25 | | |
26 | | #include "H5Amodule.h" /* This source code file is part of the H5A module */ |
27 | | #define H5O_FRIEND /*suppress error about including H5Opkg */ |
28 | | |
29 | | /***********/ |
30 | | /* Headers */ |
31 | | /***********/ |
32 | | #include "H5private.h" /* Generic Functions */ |
33 | | #include "H5Apkg.h" /* Attributes */ |
34 | | #include "H5Eprivate.h" /* Error handling */ |
35 | | #include "H5FLprivate.h" /* Free Lists */ |
36 | | #include "H5Iprivate.h" /* IDs */ |
37 | | #include "H5MMprivate.h" /* Memory management */ |
38 | | #include "H5Opkg.h" /* Object headers */ |
39 | | #include "H5SMprivate.h" /* Shared Object Header Messages */ |
40 | | #include "H5VLprivate.h" /* Virtual Object Layer */ |
41 | | |
42 | | /****************/ |
43 | | /* Local Macros */ |
44 | | /****************/ |
45 | | |
46 | | /******************/ |
47 | | /* Local Typedefs */ |
48 | | /******************/ |
49 | | |
50 | | /* Data exchange structure to use when building table of compact attributes for an object */ |
51 | | typedef struct { |
52 | | H5F_t *f; /* Pointer to file that fractal heap is in */ |
53 | | H5A_attr_table_t *atable; /* Pointer to attribute table to build */ |
54 | | bool bogus_crt_idx; /* Whether bogus creation index values need to be set */ |
55 | | } H5A_compact_bt_ud_t; |
56 | | |
57 | | /* Data exchange structure to use when copying an attribute from _SRC to _DST */ |
58 | | typedef struct { |
59 | | const H5O_ainfo_t *ainfo; /* dense information */ |
60 | | H5F_t *file; /* file */ |
61 | | bool *recompute_size; /* Flag to indicate if size changed */ |
62 | | H5O_copy_t *cpy_info; /* Information on copying options */ |
63 | | const H5O_loc_t *oloc_src; |
64 | | H5O_loc_t *oloc_dst; |
65 | | } H5A_dense_file_cp_ud_t; |
66 | | |
67 | | /********************/ |
68 | | /* Package Typedefs */ |
69 | | /********************/ |
70 | | |
71 | | /********************/ |
72 | | /* Local Prototypes */ |
73 | | /********************/ |
74 | | |
75 | | static herr_t H5A__close_cb(H5VL_object_t *attr_vol_obj, void **request); |
76 | | static herr_t H5A__compact_build_table_cb(H5O_t *oh, H5O_mesg_t *mesg /*in,out*/, unsigned sequence, |
77 | | unsigned *oh_flags_ptr, void *_udata /*in,out*/); |
78 | | static herr_t H5A__dense_build_table_cb(const H5A_t *attr, void *_udata); |
79 | | static int H5A__attr_cmp_name_inc(const void *attr1, const void *attr2); |
80 | | static int H5A__attr_cmp_name_dec(const void *attr1, const void *attr2); |
81 | | static int H5A__attr_cmp_corder_inc(const void *attr1, const void *attr2); |
82 | | static int H5A__attr_cmp_corder_dec(const void *attr1, const void *attr2); |
83 | | static herr_t H5A__attr_sort_table(H5A_attr_table_t *atable, H5_index_t idx_type, H5_iter_order_t order); |
84 | | static herr_t H5A__iterate_common(hid_t loc_id, H5_index_t idx_type, H5_iter_order_t order, hsize_t *idx, |
85 | | H5A_attr_iter_op_t *attr_op, void *op_data); |
86 | | |
87 | | /*********************/ |
88 | | /* Package Variables */ |
89 | | /*********************/ |
90 | | |
91 | | /* Format version bounds for attribute */ |
92 | | const unsigned H5O_attr_ver_bounds[] = { |
93 | | H5O_ATTR_VERSION_1, /* H5F_LIBVER_EARLIEST */ |
94 | | H5O_ATTR_VERSION_3, /* H5F_LIBVER_V18 */ |
95 | | H5O_ATTR_VERSION_3, /* H5F_LIBVER_V110 */ |
96 | | H5O_ATTR_VERSION_3, /* H5F_LIBVER_V112 */ |
97 | | H5O_ATTR_VERSION_LATEST /* H5F_LIBVER_LATEST */ |
98 | | }; |
99 | | |
100 | | /*****************************/ |
101 | | /* Library Private Variables */ |
102 | | /*****************************/ |
103 | | |
104 | | /*******************/ |
105 | | /* Local Variables */ |
106 | | /*******************/ |
107 | | |
108 | | /* Declare the free lists of H5A_t */ |
109 | | H5FL_DEFINE(H5A_t); |
110 | | |
111 | | /* Declare the free lists for H5A_shared_t's */ |
112 | | H5FL_DEFINE(H5A_shared_t); |
113 | | |
114 | | /* Declare a free list to manage blocks of type conversion data */ |
115 | | H5FL_BLK_DEFINE(attr_buf); |
116 | | |
117 | | typedef H5A_t *H5A_t_ptr; |
118 | | H5FL_SEQ_DEFINE_STATIC(H5A_t_ptr); |
119 | | |
120 | | /* Attribute ID class */ |
121 | | static const H5I_class_t H5I_ATTR_CLS[1] = {{ |
122 | | H5I_ATTR, /* ID class value */ |
123 | | 0, /* Class flags */ |
124 | | 0, /* # of reserved IDs for class */ |
125 | | (H5I_free_t)H5A__close_cb /* Callback routine for closing objects of this class */ |
126 | | }}; |
127 | | |
128 | | /*------------------------------------------------------------------------- |
129 | | * Function: H5A_init |
130 | | * |
131 | | * Purpose: Initialize the interface from some other layer. |
132 | | * |
133 | | * Return: Success: non-negative |
134 | | * |
135 | | * Failure: negative |
136 | | *------------------------------------------------------------------------- |
137 | | */ |
138 | | herr_t |
139 | | H5A_init(void) |
140 | 1 | { |
141 | 1 | herr_t ret_value = SUCCEED; /* Return value */ |
142 | | |
143 | 1 | FUNC_ENTER_NOAPI(FAIL) |
144 | | |
145 | | /* |
146 | | * Create attribute ID type. |
147 | | */ |
148 | 1 | if (H5I_register_type(H5I_ATTR_CLS) < 0) |
149 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "unable to initialize interface"); |
150 | | |
151 | 1 | done: |
152 | 1 | FUNC_LEAVE_NOAPI(ret_value) |
153 | 1 | } /* end H5A_init() */ |
154 | | |
155 | | /*-------------------------------------------------------------------------- |
156 | | NAME |
157 | | H5A_top_term_package |
158 | | PURPOSE |
159 | | Terminate various H5A objects |
160 | | USAGE |
161 | | void H5A_top_term_package() |
162 | | RETURNS |
163 | | DESCRIPTION |
164 | | Release IDs for the atom group, deferring full interface shutdown |
165 | | until later (in H5A_term_package). |
166 | | GLOBAL VARIABLES |
167 | | COMMENTS, BUGS, ASSUMPTIONS |
168 | | Can't report errors... |
169 | | EXAMPLES |
170 | | REVISION LOG |
171 | | --------------------------------------------------------------------------*/ |
172 | | int |
173 | | H5A_top_term_package(void) |
174 | 1 | { |
175 | 1 | int n = 0; |
176 | | |
177 | 1 | FUNC_ENTER_NOAPI_NOINIT_NOERR |
178 | | |
179 | 1 | if (H5I_nmembers(H5I_ATTR) > 0) { |
180 | 0 | (void)H5I_clear_type(H5I_ATTR, false, false); |
181 | 0 | n++; /*H5I*/ |
182 | 0 | } /* end if */ |
183 | | |
184 | 1 | FUNC_LEAVE_NOAPI(n) |
185 | 1 | } /* H5A_top_term_package() */ |
186 | | |
187 | | /*-------------------------------------------------------------------------- |
188 | | NAME |
189 | | H5A_term_package |
190 | | PURPOSE |
191 | | Terminate various H5A objects |
192 | | USAGE |
193 | | void H5A_term_package() |
194 | | RETURNS |
195 | | DESCRIPTION |
196 | | Release any other resources allocated. |
197 | | GLOBAL VARIABLES |
198 | | COMMENTS, BUGS, ASSUMPTIONS |
199 | | Can't report errors... |
200 | | |
201 | | Finishes shutting down the interface, after H5A_top_term_package() |
202 | | is called |
203 | | EXAMPLES |
204 | | REVISION LOG |
205 | | --------------------------------------------------------------------------*/ |
206 | | int |
207 | | H5A_term_package(void) |
208 | 1 | { |
209 | 1 | int n = 0; |
210 | | |
211 | 1 | FUNC_ENTER_NOAPI_NOINIT_NOERR |
212 | | |
213 | | /* Sanity checks */ |
214 | 1 | assert(0 == H5I_nmembers(H5I_ATTR)); |
215 | | |
216 | | /* Destroy the attribute object id group */ |
217 | 1 | n += (H5I_dec_type_ref(H5I_ATTR) > 0); |
218 | | |
219 | 1 | FUNC_LEAVE_NOAPI(n) |
220 | 1 | } /* H5A_term_package() */ |
221 | | |
222 | | /*------------------------------------------------------------------------- |
223 | | * Function: H5A__create |
224 | | * |
225 | | * Purpose: This is the guts of creating an attribute. |
226 | | * |
227 | | * Return: Attribute structure on success, NULL on Failure. |
228 | | * |
229 | | *------------------------------------------------------------------------- |
230 | | */ |
231 | | H5A_t * |
232 | | H5A__create(const H5G_loc_t *loc, const char *attr_name, const H5T_t *type, const H5S_t *space, hid_t acpl_id) |
233 | 0 | { |
234 | 0 | H5A_t *attr = NULL; /* Attribute created */ |
235 | 0 | hssize_t snelmts; /* elements in attribute */ |
236 | 0 | size_t nelmts; /* elements in attribute */ |
237 | 0 | bool exists; /* Whether attribute exists */ |
238 | 0 | H5A_t *ret_value = NULL; /* Return value */ |
239 | |
|
240 | 0 | FUNC_ENTER_PACKAGE_TAG(loc->oloc->addr) |
241 | | |
242 | | /* Check args */ |
243 | 0 | assert(loc); |
244 | 0 | assert(attr_name); |
245 | 0 | assert(type); |
246 | 0 | assert(space); |
247 | | |
248 | | /* Check for existing attribute with same name */ |
249 | | /* (technically, the "attribute create" operation will fail for a duplicated |
250 | | * name, but it's going to be hard to unwind all the special cases on |
251 | | * failure, so just check first, for now - QAK) |
252 | | */ |
253 | 0 | exists = false; |
254 | 0 | if (H5O__attr_exists(loc->oloc, attr_name, &exists) < 0) |
255 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, NULL, "error checking attributes"); |
256 | 0 | if (exists) |
257 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_ALREADYEXISTS, NULL, "attribute already exists"); |
258 | | |
259 | | /* Check if the dataspace has an extent set (or is NULL) */ |
260 | 0 | if (!(H5S_has_extent(space))) |
261 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_BADVALUE, NULL, "dataspace extent has not been set"); |
262 | | |
263 | | /* Check if the datatype is "sensible" for use in a dataset */ |
264 | 0 | if (H5T_is_sensible(type) != true) |
265 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_BADTYPE, NULL, "datatype is not sensible"); |
266 | | |
267 | | /* Build the attribute information */ |
268 | 0 | if (NULL == (attr = H5FL_CALLOC(H5A_t))) |
269 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTALLOC, NULL, "memory allocation failed for attribute info"); |
270 | | |
271 | 0 | if (NULL == (attr->shared = H5FL_CALLOC(H5A_shared_t))) |
272 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTALLOC, NULL, "can't allocate shared attr structure"); |
273 | | |
274 | | /* If the creation property list is H5P_ATTRIBUTE_CREATE_DEFAULT, use the default character encoding */ |
275 | 0 | assert(acpl_id != H5P_DEFAULT); |
276 | 0 | if (acpl_id == H5P_ATTRIBUTE_CREATE_DEFAULT) |
277 | 0 | attr->shared->encoding = H5F_DEFAULT_CSET; |
278 | 0 | else { |
279 | 0 | H5P_genplist_t *ac_plist; /* ACPL Property list */ |
280 | | |
281 | | /* Get a local copy of the attribute creation property list */ |
282 | 0 | if (NULL == (ac_plist = (H5P_genplist_t *)H5I_object(acpl_id))) |
283 | 0 | HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a property list"); |
284 | | |
285 | 0 | if (H5P_get(ac_plist, H5P_STRCRT_CHAR_ENCODING_NAME, &(attr->shared->encoding)) < 0) |
286 | 0 | HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get character encoding flag"); |
287 | 0 | } /* end else */ |
288 | | |
289 | | /* Copy the attribute name */ |
290 | 0 | attr->shared->name = H5MM_xstrdup(attr_name); |
291 | | |
292 | | /* Copy datatype */ |
293 | 0 | if (NULL == (attr->shared->dt = H5T_copy(type, H5T_COPY_ALL))) |
294 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, NULL, "can't get shared datatype info"); |
295 | | |
296 | | /* Convert a datatype (if committed) to a transient type if the committed datatype's file |
297 | | location is different from the file location where the attribute will be created */ |
298 | 0 | if (H5T_convert_committed_datatype(attr->shared->dt, loc->oloc->file) < 0) |
299 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, NULL, "can't get shared datatype info"); |
300 | | |
301 | | /* Mark datatype as being on disk now */ |
302 | 0 | if (H5T_set_loc(attr->shared->dt, H5F_VOL_OBJ(loc->oloc->file), H5T_LOC_DISK) < 0) |
303 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "invalid datatype location"); |
304 | | |
305 | | /* Set the version for datatype */ |
306 | 0 | if (H5T_set_version(loc->oloc->file, attr->shared->dt) < 0) |
307 | 0 | HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, NULL, "can't set version of datatype"); |
308 | | |
309 | | /* Copy the dataspace for the attribute */ |
310 | 0 | attr->shared->ds = H5S_copy(space, false, true); |
311 | | |
312 | | /* Set the version for dataspace */ |
313 | 0 | if (H5S_set_version(loc->oloc->file, attr->shared->ds) < 0) |
314 | 0 | HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, NULL, "can't set version of dataspace"); |
315 | | |
316 | | /* Copy the object header information */ |
317 | 0 | if (H5O_loc_copy_deep(&(attr->oloc), loc->oloc) < 0) |
318 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, NULL, "unable to copy entry"); |
319 | | |
320 | | /* Deep copy of the group hierarchy path */ |
321 | 0 | if (H5G_name_copy(&(attr->path), loc->path, H5_COPY_DEEP) < 0) |
322 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, NULL, "unable to copy path"); |
323 | | |
324 | | /* Check if any of the pieces should be (or are already) shared in the |
325 | | * SOHM table |
326 | | */ |
327 | 0 | if (H5SM_try_share(attr->oloc.file, NULL, 0, H5O_DTYPE_ID, attr->shared->dt, NULL) < 0) |
328 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_BADMESG, NULL, "trying to share datatype failed"); |
329 | 0 | if (H5SM_try_share(attr->oloc.file, NULL, 0, H5O_SDSPACE_ID, attr->shared->ds, NULL) < 0) |
330 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_BADMESG, NULL, "trying to share dataspace failed"); |
331 | | |
332 | | /* Check whether datatype is committed & increment ref count |
333 | | * (to maintain ref. count incr/decr similarity with "shared message" |
334 | | * type of datatype sharing) |
335 | | */ |
336 | 0 | if (H5T_is_named(attr->shared->dt)) |
337 | | /* Increment the reference count on the shared datatype */ |
338 | 0 | if (H5T_link(attr->shared->dt, 1) < 0) |
339 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, NULL, "unable to adjust shared datatype link count"); |
340 | | |
341 | | /* Compute the size of pieces on disk. This is either the size of the |
342 | | * datatype and dataspace messages themselves, or the size of the "shared" |
343 | | * messages if either or both of them are shared. |
344 | | */ |
345 | 0 | attr->shared->dt_size = H5O_msg_raw_size(attr->oloc.file, H5O_DTYPE_ID, false, attr->shared->dt); |
346 | 0 | attr->shared->ds_size = H5O_msg_raw_size(attr->oloc.file, H5O_SDSPACE_ID, false, attr->shared->ds); |
347 | | |
348 | | /* Get # of elements for attribute's dataspace */ |
349 | 0 | if ((snelmts = H5S_GET_EXTENT_NPOINTS(attr->shared->ds)) < 0) |
350 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOUNT, NULL, "dataspace is invalid"); |
351 | 0 | H5_CHECKED_ASSIGN(nelmts, size_t, snelmts, hssize_t); |
352 | |
|
353 | 0 | assert(attr->shared->dt_size > 0); |
354 | 0 | assert(attr->shared->ds_size > 0); |
355 | 0 | attr->shared->data_size = nelmts * H5T_GET_SIZE(attr->shared->dt); |
356 | | |
357 | | /* Hold the symbol table entry (and file) open */ |
358 | 0 | if (H5O_open(&(attr->oloc)) < 0) |
359 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, NULL, "unable to open"); |
360 | 0 | attr->obj_opened = true; |
361 | | |
362 | | /* Set the version to encode the attribute with */ |
363 | 0 | if (H5A__set_version(attr->oloc.file, attr) < 0) |
364 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, NULL, "unable to update attribute version"); |
365 | | |
366 | | /* Insert the attribute into the object header */ |
367 | 0 | if (H5O__attr_create(&(attr->oloc), attr) < 0) |
368 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINSERT, NULL, "unable to create attribute in object header"); |
369 | | |
370 | | /* Set return value */ |
371 | 0 | ret_value = attr; |
372 | |
|
373 | 0 | done: |
374 | | /* Cleanup on failure */ |
375 | 0 | if (NULL == ret_value && attr && H5A__close(attr)) |
376 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, NULL, "can't close attribute"); |
377 | |
|
378 | 0 | FUNC_LEAVE_NOAPI_TAG(ret_value) |
379 | 0 | } /* H5A__create() */ |
380 | | |
381 | | /*------------------------------------------------------------------------- |
382 | | * Function: H5A__create_by_name |
383 | | * |
384 | | * Purpose: Create an attribute on object, according to it's name |
385 | | * |
386 | | * Return: SUCCEED/FAIL |
387 | | * |
388 | | *------------------------------------------------------------------------- |
389 | | */ |
390 | | H5A_t * |
391 | | H5A__create_by_name(const H5G_loc_t *loc, const char *obj_name, const char *attr_name, const H5T_t *type, |
392 | | const H5S_t *space, hid_t acpl_id) |
393 | 0 | { |
394 | 0 | H5G_loc_t obj_loc; /* Location used to open group */ |
395 | 0 | H5G_name_t obj_path; /* Opened object group hier. path */ |
396 | 0 | H5O_loc_t obj_oloc; /* Opened object object location */ |
397 | 0 | bool loc_found = false; /* Entry at 'obj_name' found */ |
398 | 0 | H5A_t *attr = NULL; /* Attribute from object header */ |
399 | 0 | H5A_t *ret_value = NULL; /* Return value */ |
400 | |
|
401 | 0 | FUNC_ENTER_PACKAGE |
402 | | |
403 | | /* check args */ |
404 | 0 | assert(loc); |
405 | 0 | assert(obj_name); |
406 | 0 | assert(attr_name); |
407 | | |
408 | | /* Set up opened group location to fill in */ |
409 | 0 | obj_loc.oloc = &obj_oloc; |
410 | 0 | obj_loc.path = &obj_path; |
411 | 0 | H5G_loc_reset(&obj_loc); |
412 | | |
413 | | /* Find the object's location */ |
414 | 0 | if (H5G_loc_find(loc, obj_name, &obj_loc /*out*/) < 0) |
415 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, NULL, "object not found"); |
416 | 0 | loc_found = true; |
417 | | |
418 | | /* Go do the real work for attaching the attribute to the object */ |
419 | 0 | if (NULL == (attr = H5A__create(&obj_loc, attr_name, type, space, acpl_id))) |
420 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, NULL, "unable to create attribute"); |
421 | | |
422 | | /* Set return value */ |
423 | 0 | ret_value = attr; |
424 | |
|
425 | 0 | done: |
426 | | /* Release resources */ |
427 | 0 | if (loc_found && H5G_loc_free(&obj_loc) < 0) |
428 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, NULL, "can't free location"); |
429 | | |
430 | | /* Cleanup on failure */ |
431 | 0 | if (ret_value == NULL) |
432 | 0 | if (attr && H5A__close(attr) < 0) |
433 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, NULL, "can't close attribute"); |
434 | |
|
435 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
436 | 0 | } /* H5A__create_by_name() */ |
437 | | |
438 | | /*------------------------------------------------------------------------- |
439 | | * Function: H5A__open_common |
440 | | * |
441 | | * Purpose: Finishes initializing an attributes the open |
442 | | * |
443 | | * Usage: |
444 | | * herr_t H5A__open_common(loc, name) |
445 | | * const H5G_loc_t *loc; IN: Pointer to group location for object |
446 | | * H5A_t *attr; IN/OUT: Pointer to attribute to initialize |
447 | | * |
448 | | * Return: SUCCEED/FAIL |
449 | | * |
450 | | *------------------------------------------------------------------------- |
451 | | */ |
452 | | static herr_t |
453 | | H5A__open_common(const H5G_loc_t *loc, H5A_t *attr) |
454 | 64 | { |
455 | 64 | herr_t ret_value = SUCCEED; /* Return value */ |
456 | | |
457 | 64 | FUNC_ENTER_PACKAGE |
458 | | |
459 | | /* check args */ |
460 | 64 | assert(loc); |
461 | 64 | assert(attr); |
462 | | |
463 | | #if defined(H5_USING_MEMCHECKER) || !defined(NDEBUG) |
464 | | /* Clear object location */ |
465 | | if (H5O_loc_reset(&(attr->oloc)) < 0) |
466 | | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "unable to reset location"); |
467 | | #endif /* H5_USING_MEMCHECKER */ |
468 | | |
469 | | /* Free any previous group hier. path */ |
470 | 64 | if (H5G_name_free(&(attr->path)) < 0) |
471 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release group hier. path"); |
472 | | |
473 | | /* Deep copy of the symbol table entry */ |
474 | 64 | if (H5O_loc_copy_deep(&(attr->oloc), loc->oloc) < 0) |
475 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "unable to copy entry"); |
476 | | |
477 | | /* Deep copy of the group hier. path */ |
478 | 64 | if (H5G_name_copy(&(attr->path), loc->path, H5_COPY_DEEP) < 0) |
479 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, FAIL, "unable to copy entry"); |
480 | | |
481 | | /* Hold the symbol table entry (and file) open */ |
482 | 64 | if (H5O_open(&(attr->oloc)) < 0) |
483 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "unable to open"); |
484 | 64 | attr->obj_opened = true; |
485 | | |
486 | 64 | done: |
487 | 64 | FUNC_LEAVE_NOAPI(ret_value) |
488 | 64 | } /* H5A__open_common() */ |
489 | | |
490 | | /*------------------------------------------------------------------------- |
491 | | * Function: H5A__open |
492 | | * |
493 | | * Purpose: Open an attribute in an object header |
494 | | * |
495 | | * Return: SUCCEED/FAIL |
496 | | * |
497 | | *------------------------------------------------------------------------- |
498 | | */ |
499 | | H5A_t * |
500 | | H5A__open(const H5G_loc_t *loc, const char *attr_name) |
501 | 0 | { |
502 | 0 | H5A_t *attr = NULL; /* Attribute from object header */ |
503 | 0 | H5A_t *ret_value = NULL; /* Return value */ |
504 | |
|
505 | 0 | FUNC_ENTER_PACKAGE |
506 | | |
507 | | /* check args */ |
508 | 0 | assert(loc); |
509 | 0 | assert(attr_name); |
510 | | |
511 | | /* Read in attribute from object header */ |
512 | 0 | if (NULL == (attr = H5O__attr_open_by_name(loc->oloc, attr_name))) |
513 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, NULL, |
514 | 0 | "unable to load attribute info from object header for attribute: '%s'", attr_name); |
515 | | |
516 | | /* Finish initializing attribute */ |
517 | 0 | if (H5A__open_common(loc, attr) < 0) |
518 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, NULL, "unable to initialize attribute"); |
519 | | |
520 | | /* Set return value */ |
521 | 0 | ret_value = attr; |
522 | |
|
523 | 0 | done: |
524 | | /* Cleanup on failure */ |
525 | 0 | if (ret_value == NULL) |
526 | 0 | if (attr && H5A__close(attr) < 0) |
527 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, NULL, "can't close attribute"); |
528 | |
|
529 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
530 | 0 | } /* H5A__open() */ |
531 | | |
532 | | /*------------------------------------------------------------------------- |
533 | | * Function: H5A__open_by_idx |
534 | | * |
535 | | * Purpose: Open an attribute according to its index order |
536 | | * |
537 | | * Return: SUCCEED/FAIL |
538 | | * |
539 | | *------------------------------------------------------------------------- |
540 | | */ |
541 | | H5A_t * |
542 | | H5A__open_by_idx(const H5G_loc_t *loc, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, |
543 | | hsize_t n) |
544 | 0 | { |
545 | 0 | H5G_loc_t obj_loc; /* Location used to open group */ |
546 | 0 | H5G_name_t obj_path; /* Opened object group hier. path */ |
547 | 0 | H5O_loc_t obj_oloc; /* Opened object object location */ |
548 | 0 | bool loc_found = false; /* Entry at 'obj_name' found */ |
549 | 0 | H5A_t *attr = NULL; /* Attribute from object header */ |
550 | 0 | H5A_t *ret_value = NULL; /* Return value */ |
551 | |
|
552 | 0 | FUNC_ENTER_PACKAGE |
553 | | |
554 | | /* check args */ |
555 | 0 | assert(loc); |
556 | 0 | assert(obj_name); |
557 | | |
558 | | /* Set up opened group location to fill in */ |
559 | 0 | obj_loc.oloc = &obj_oloc; |
560 | 0 | obj_loc.path = &obj_path; |
561 | 0 | H5G_loc_reset(&obj_loc); |
562 | | |
563 | | /* Find the object's location */ |
564 | 0 | if (H5G_loc_find(loc, obj_name, &obj_loc /*out*/) < 0) |
565 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, NULL, "object not found"); |
566 | 0 | loc_found = true; |
567 | | |
568 | | /* Read in attribute from object header */ |
569 | 0 | if (NULL == (attr = H5O__attr_open_by_idx(obj_loc.oloc, idx_type, order, n))) |
570 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, NULL, "unable to load attribute info from object header"); |
571 | | |
572 | | /* Finish initializing attribute */ |
573 | 0 | if (H5A__open_common(&obj_loc, attr) < 0) |
574 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, NULL, "unable to initialize attribute"); |
575 | | |
576 | | /* Set return value */ |
577 | 0 | ret_value = attr; |
578 | |
|
579 | 0 | done: |
580 | | /* Release resources */ |
581 | 0 | if (loc_found && H5G_loc_free(&obj_loc) < 0) |
582 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, NULL, "can't free location"); |
583 | | |
584 | | /* Cleanup on failure */ |
585 | 0 | if (ret_value == NULL) |
586 | 0 | if (attr && H5A__close(attr) < 0) |
587 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, NULL, "can't close attribute"); |
588 | |
|
589 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
590 | 0 | } /* H5A__open_by_idx() */ |
591 | | |
592 | | /*------------------------------------------------------------------------- |
593 | | * Function: H5A__open_by_name |
594 | | * |
595 | | * Purpose: Open an attribute in an object header, according to it's name |
596 | | * |
597 | | * Return: SUCCEED/FAIL |
598 | | * |
599 | | *------------------------------------------------------------------------- |
600 | | */ |
601 | | H5A_t * |
602 | | H5A__open_by_name(const H5G_loc_t *loc, const char *obj_name, const char *attr_name) |
603 | 78 | { |
604 | 78 | H5G_loc_t obj_loc; /* Location used to open group */ |
605 | 78 | H5G_name_t obj_path; /* Opened object group hier. path */ |
606 | 78 | H5O_loc_t obj_oloc; /* Opened object object location */ |
607 | 78 | bool loc_found = false; /* Entry at 'obj_name' found */ |
608 | 78 | H5A_t *attr = NULL; /* Attribute from object header */ |
609 | 78 | H5A_t *ret_value = NULL; /* Return value */ |
610 | | |
611 | 78 | FUNC_ENTER_PACKAGE |
612 | | |
613 | | /* check args */ |
614 | 78 | assert(loc); |
615 | 78 | assert(obj_name); |
616 | 78 | assert(attr_name); |
617 | | |
618 | | /* Set up opened group location to fill in */ |
619 | 78 | obj_loc.oloc = &obj_oloc; |
620 | 78 | obj_loc.path = &obj_path; |
621 | 78 | H5G_loc_reset(&obj_loc); |
622 | | |
623 | | /* Find the object's location */ |
624 | 78 | if (H5G_loc_find(loc, obj_name, &obj_loc /*out*/) < 0) |
625 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, NULL, "object not found"); |
626 | 78 | loc_found = true; |
627 | | |
628 | | /* Read in attribute from object header */ |
629 | 78 | if (NULL == (attr = H5O__attr_open_by_name(obj_loc.oloc, attr_name))) |
630 | 14 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, NULL, "unable to load attribute info from object header"); |
631 | | |
632 | | /* Finish initializing attribute */ |
633 | 64 | if (H5A__open_common(loc, attr) < 0) |
634 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, NULL, "unable to initialize attribute"); |
635 | | |
636 | | /* Set return value */ |
637 | 64 | ret_value = attr; |
638 | | |
639 | 78 | done: |
640 | | /* Release resources */ |
641 | 78 | if (loc_found && H5G_loc_free(&obj_loc) < 0) |
642 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, NULL, "can't free location"); |
643 | | |
644 | | /* Cleanup on failure */ |
645 | 78 | if (ret_value == NULL) |
646 | 14 | if (attr && H5A__close(attr) < 0) |
647 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, NULL, "can't close attribute"); |
648 | | |
649 | 78 | FUNC_LEAVE_NOAPI(ret_value) |
650 | 64 | } /* H5A__open_by_name() */ |
651 | | |
652 | | /*-------------------------------------------------------------------------- |
653 | | NAME |
654 | | H5A__read |
655 | | PURPOSE |
656 | | Actually read in data from an attribute |
657 | | USAGE |
658 | | herr_t H5A__read (attr, mem_type, buf) |
659 | | H5A_t *attr; IN: Attribute to read |
660 | | const H5T_t *mem_type; IN: Memory datatype of buffer |
661 | | void *buf; IN: Buffer for data to read |
662 | | RETURNS |
663 | | Non-negative on success/Negative on failure |
664 | | |
665 | | DESCRIPTION |
666 | | This function reads a complete attribute from disk. |
667 | | --------------------------------------------------------------------------*/ |
668 | | herr_t |
669 | | H5A__read(const H5A_t *attr, const H5T_t *mem_type, void *buf) |
670 | 64 | { |
671 | 64 | uint8_t *tconv_buf = NULL; /* datatype conv buffer*/ |
672 | 64 | uint8_t *bkg_buf = NULL; /* background buffer */ |
673 | 64 | hssize_t snelmts; /* elements in attribute */ |
674 | 64 | size_t nelmts; /* elements in attribute*/ |
675 | 64 | H5T_path_t *tpath = NULL; /* type conversion info */ |
676 | 64 | size_t src_type_size; /* size of source type */ |
677 | 64 | size_t dst_type_size; /* size of destination type */ |
678 | 64 | size_t buf_size; /* desired buffer size */ |
679 | 64 | herr_t ret_value = SUCCEED; |
680 | | |
681 | 64 | FUNC_ENTER_PACKAGE_TAG(attr->oloc.addr) |
682 | | |
683 | 64 | assert(attr); |
684 | 64 | assert(mem_type); |
685 | 64 | assert(buf); |
686 | | |
687 | | /* Patch the top level file pointer in attr->shared->dt->shared->u.vlen.f if needed */ |
688 | 64 | if (H5T_patch_vlen_file(attr->shared->dt, H5F_VOL_OBJ(attr->oloc.file)) < 0) |
689 | 0 | HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, FAIL, "can't patch VL datatype file pointer"); |
690 | | |
691 | | /* Create buffer for data to store on disk */ |
692 | 64 | if ((snelmts = H5S_GET_EXTENT_NPOINTS(attr->shared->ds)) < 0) |
693 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOUNT, FAIL, "dataspace is invalid"); |
694 | 64 | H5_CHECKED_ASSIGN(nelmts, size_t, snelmts, hssize_t); |
695 | | |
696 | 64 | if (nelmts > 0) { |
697 | | /* Get the memory and file datatype sizes */ |
698 | 64 | src_type_size = H5T_GET_SIZE(attr->shared->dt); |
699 | 64 | dst_type_size = H5T_GET_SIZE(mem_type); |
700 | | |
701 | | /* Check if the attribute has any data yet, if not, fill with zeroes */ |
702 | 64 | if (attr->obj_opened && !attr->shared->data) |
703 | 0 | memset(buf, 0, (dst_type_size * nelmts)); |
704 | 64 | else { /* Attribute exists and has a value */ |
705 | | /* Convert memory buffer into disk buffer */ |
706 | | /* Set up type conversion function */ |
707 | 64 | if (NULL == (tpath = H5T_path_find(attr->shared->dt, mem_type))) |
708 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_UNSUPPORTED, FAIL, |
709 | 64 | "unable to convert between src and dst datatypes"); |
710 | | |
711 | | /* Check for type conversion required */ |
712 | 64 | if (!H5T_path_noop(tpath)) { |
713 | 6 | H5T_bkg_t need_bkg; /* Background buffer type */ |
714 | | |
715 | | /* Get the maximum buffer size needed and allocate it */ |
716 | 6 | buf_size = nelmts * MAX(src_type_size, dst_type_size); |
717 | 6 | if (NULL == (tconv_buf = H5FL_BLK_MALLOC(attr_buf, buf_size))) |
718 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOSPACE, FAIL, "memory allocation failed"); |
719 | | |
720 | | /* Copy the attribute data into the buffer for conversion */ |
721 | 6 | H5MM_memcpy(tconv_buf, attr->shared->data, (src_type_size * nelmts)); |
722 | | |
723 | | /* Check if we need a background buffer */ |
724 | 6 | need_bkg = H5T_path_bkg(tpath); |
725 | | |
726 | 6 | if (need_bkg) { |
727 | | /* Allocate background buffer */ |
728 | 0 | if (NULL == (bkg_buf = H5FL_BLK_CALLOC(attr_buf, buf_size))) |
729 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTALLOC, FAIL, "memory allocation failed"); |
730 | | |
731 | | /* Copy the application buffer into the background buffer if necessary */ |
732 | 0 | if (need_bkg == H5T_BKG_YES) { |
733 | 0 | assert(buf_size >= (dst_type_size * nelmts)); |
734 | 0 | H5MM_memcpy(bkg_buf, buf, dst_type_size * nelmts); |
735 | 0 | } |
736 | 0 | } |
737 | | |
738 | | /* Perform datatype conversion. */ |
739 | 6 | if (H5T_convert(tpath, attr->shared->dt, mem_type, nelmts, (size_t)0, (size_t)0, tconv_buf, |
740 | 6 | bkg_buf) < 0) |
741 | 3 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCONVERT, FAIL, "datatype conversion failed"); |
742 | | |
743 | | /* Copy the converted data into the user's buffer */ |
744 | 3 | H5MM_memcpy(buf, tconv_buf, (dst_type_size * nelmts)); |
745 | 3 | } /* end if */ |
746 | | /* No type conversion necessary */ |
747 | 58 | else { |
748 | 58 | assert(dst_type_size == src_type_size); |
749 | | |
750 | | /* Copy the attribute data into the user's buffer */ |
751 | 58 | H5MM_memcpy(buf, attr->shared->data, (dst_type_size * nelmts)); |
752 | 58 | } /* end else */ |
753 | 64 | } /* end else */ |
754 | 64 | } /* end if */ |
755 | | |
756 | 64 | done: |
757 | | /* Release resources */ |
758 | 64 | if (tconv_buf) |
759 | 6 | tconv_buf = H5FL_BLK_FREE(attr_buf, tconv_buf); |
760 | 64 | if (bkg_buf) |
761 | 0 | bkg_buf = H5FL_BLK_FREE(attr_buf, bkg_buf); |
762 | | |
763 | 64 | FUNC_LEAVE_NOAPI_TAG(ret_value) |
764 | 64 | } /* H5A__read() */ |
765 | | |
766 | | /*-------------------------------------------------------------------------- |
767 | | NAME |
768 | | H5A__write |
769 | | PURPOSE |
770 | | Actually write out data to an attribute |
771 | | USAGE |
772 | | herr_t H5A__write (attr, mem_type, buf) |
773 | | H5A_t *attr; IN: Attribute to write |
774 | | const H5T_t *mem_type; IN: Memory datatype of buffer |
775 | | const void *buf; IN: Buffer of data to write |
776 | | RETURNS |
777 | | Non-negative on success/Negative on failure |
778 | | DESCRIPTION |
779 | | This function writes a complete attribute to disk. |
780 | | --------------------------------------------------------------------------*/ |
781 | | herr_t |
782 | | H5A__write(H5A_t *attr, const H5T_t *mem_type, const void *buf) |
783 | 0 | { |
784 | 0 | uint8_t *tconv_buf = NULL; /* datatype conv buffer */ |
785 | 0 | uint8_t *bkg_buf = NULL; /* temp conversion buffer */ |
786 | 0 | hssize_t snelmts; /* elements in attribute */ |
787 | 0 | size_t nelmts; /* elements in attribute */ |
788 | 0 | H5T_path_t *tpath = NULL; /* conversion information*/ |
789 | 0 | size_t src_type_size; /* size of source type */ |
790 | 0 | size_t dst_type_size; /* size of destination type*/ |
791 | 0 | size_t buf_size; /* desired buffer size */ |
792 | 0 | herr_t ret_value = SUCCEED; |
793 | |
|
794 | 0 | FUNC_ENTER_PACKAGE_TAG(attr->oloc.addr) |
795 | |
|
796 | 0 | assert(attr); |
797 | 0 | assert(mem_type); |
798 | 0 | assert(buf); |
799 | | |
800 | | /* Patch the top level file pointer in attr->shared->dt->shared->u.vlen.f if needed */ |
801 | 0 | if (H5T_patch_vlen_file(attr->shared->dt, H5F_VOL_OBJ(attr->oloc.file)) < 0) |
802 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "can't patch VL datatype file pointer"); |
803 | | |
804 | | /* Get # of elements for attribute's dataspace */ |
805 | 0 | if ((snelmts = H5S_GET_EXTENT_NPOINTS(attr->shared->ds)) < 0) |
806 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOUNT, FAIL, "dataspace is invalid"); |
807 | 0 | H5_CHECKED_ASSIGN(nelmts, size_t, snelmts, hssize_t); |
808 | | |
809 | | /* If there's actually data elements for the attribute, make a copy of the data passed in */ |
810 | 0 | if (nelmts > 0) { |
811 | | /* Get the memory and file datatype sizes */ |
812 | 0 | src_type_size = H5T_GET_SIZE(mem_type); |
813 | 0 | dst_type_size = H5T_GET_SIZE(attr->shared->dt); |
814 | | |
815 | | /* Convert memory buffer into disk buffer */ |
816 | | /* Set up type conversion function */ |
817 | 0 | if (NULL == (tpath = H5T_path_find(mem_type, attr->shared->dt))) |
818 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_UNSUPPORTED, FAIL, "unable to convert between src and dst datatypes"); |
819 | | |
820 | | /* Check for type conversion required */ |
821 | 0 | if (!H5T_path_noop(tpath)) { |
822 | 0 | H5T_bkg_t need_bkg; /* Background buffer type */ |
823 | | |
824 | | /* Get the maximum buffer size needed and allocate it */ |
825 | 0 | buf_size = nelmts * MAX(src_type_size, dst_type_size); |
826 | 0 | if (NULL == (tconv_buf = H5FL_BLK_MALLOC(attr_buf, buf_size))) |
827 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTALLOC, FAIL, "memory allocation failed"); |
828 | | |
829 | | /* Copy the user's data into the buffer for conversion */ |
830 | 0 | H5MM_memcpy(tconv_buf, buf, (src_type_size * nelmts)); |
831 | | |
832 | | /* Check if we need a background buffer */ |
833 | 0 | if (H5T_detect_class(attr->shared->dt, H5T_VLEN, false)) |
834 | 0 | need_bkg = H5T_BKG_YES; |
835 | 0 | else |
836 | 0 | need_bkg = H5T_path_bkg(tpath); |
837 | |
|
838 | 0 | if (need_bkg) { |
839 | | /* Use the existing attribute data buffer, if present, as the background buffer, |
840 | | * otherwise allocate one. Note we don't need to track which one it is since both |
841 | | * use the "attr_buf" free list block. */ |
842 | 0 | if (attr->shared->data) { |
843 | 0 | bkg_buf = attr->shared->data; |
844 | 0 | attr->shared->data = NULL; |
845 | | |
846 | | /* Clear background buffer if it's not supposed to be initialized with file |
847 | | * contents */ |
848 | 0 | if (need_bkg == H5T_BKG_TEMP) |
849 | 0 | memset(bkg_buf, 0, dst_type_size * nelmts); |
850 | 0 | } |
851 | 0 | else if (NULL == (bkg_buf = H5FL_BLK_CALLOC(attr_buf, buf_size))) |
852 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTALLOC, FAIL, "memory allocation failed"); |
853 | 0 | } |
854 | | |
855 | | /* Perform datatype conversion */ |
856 | 0 | if (H5T_convert(tpath, mem_type, attr->shared->dt, nelmts, (size_t)0, (size_t)0, tconv_buf, |
857 | 0 | bkg_buf) < 0) |
858 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCONVERT, FAIL, "datatype conversion failed"); |
859 | | |
860 | | /* Free the previous attribute data buffer, if there is one */ |
861 | 0 | if (attr->shared->data) |
862 | 0 | attr->shared->data = H5FL_BLK_FREE(attr_buf, attr->shared->data); |
863 | | |
864 | | /* Set the pointer to the attribute data to the converted information */ |
865 | 0 | attr->shared->data = tconv_buf; |
866 | 0 | tconv_buf = NULL; |
867 | 0 | } /* end if */ |
868 | | /* No type conversion necessary */ |
869 | 0 | else { |
870 | 0 | assert(dst_type_size == src_type_size); |
871 | | |
872 | | /* Allocate the attribute buffer, if there isn't one */ |
873 | 0 | if (attr->shared->data == NULL) |
874 | 0 | if (NULL == (attr->shared->data = H5FL_BLK_MALLOC(attr_buf, dst_type_size * nelmts))) |
875 | 0 | HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed"); |
876 | | |
877 | | /* Copy the attribute data into the attribute data buffer */ |
878 | 0 | H5MM_memcpy(attr->shared->data, buf, (dst_type_size * nelmts)); |
879 | 0 | } /* end else */ |
880 | | |
881 | | /* Modify the attribute in the object header */ |
882 | 0 | if (H5O__attr_write(&(attr->oloc), attr) < 0) |
883 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "unable to modify attribute"); |
884 | 0 | } /* end if */ |
885 | | |
886 | 0 | done: |
887 | | /* Release resources */ |
888 | 0 | if (tconv_buf) |
889 | 0 | tconv_buf = H5FL_BLK_FREE(attr_buf, tconv_buf); |
890 | 0 | if (bkg_buf) |
891 | 0 | bkg_buf = H5FL_BLK_FREE(attr_buf, bkg_buf); |
892 | |
|
893 | 0 | FUNC_LEAVE_NOAPI_TAG(ret_value) |
894 | 0 | } /* H5A__write() */ |
895 | | |
896 | | /*-------------------------------------------------------------------------- |
897 | | NAME |
898 | | H5A__get_name |
899 | | PURPOSE |
900 | | Gets a copy of the name for an attribute |
901 | | RETURNS |
902 | | Non-negative on success/Negative on failure |
903 | | DESCRIPTION |
904 | | This function retrieves the name of an attribute for an attribute ID. |
905 | | Up to 'buf_size' characters are stored in 'buf' followed by a '\0' string |
906 | | terminator. If the name of the attribute is longer than 'buf_size'-1, |
907 | | the string terminator is stored in the last position of the buffer to |
908 | | properly terminate the string. |
909 | | This function returns the length of the attribute's name (which may be |
910 | | longer than 'buf_size') in the 'attr_name_len' parameter. |
911 | | --------------------------------------------------------------------------*/ |
912 | | herr_t |
913 | | H5A__get_name(H5A_t *attr, size_t buf_size, char *buf, size_t *attr_name_len) |
914 | 0 | { |
915 | 0 | size_t copy_len, nbytes; |
916 | |
|
917 | 0 | FUNC_ENTER_PACKAGE_NOERR |
918 | | |
919 | | /* Sanity checks */ |
920 | 0 | assert(attr); |
921 | 0 | assert(attr_name_len); |
922 | | |
923 | | /* Get the real attribute length */ |
924 | 0 | nbytes = strlen(attr->shared->name); |
925 | | |
926 | | /* Compute the string length which will fit into the user's buffer */ |
927 | 0 | copy_len = MIN(buf_size - 1, nbytes); |
928 | | |
929 | | /* Copy all/some of the name */ |
930 | 0 | if (buf && copy_len > 0) { |
931 | 0 | H5MM_memcpy(buf, attr->shared->name, copy_len); |
932 | | |
933 | | /* Terminate the string */ |
934 | 0 | buf[copy_len] = '\0'; |
935 | 0 | } /* end if */ |
936 | | |
937 | | /* Set actual attribute name length */ |
938 | 0 | *attr_name_len = nbytes; |
939 | |
|
940 | 0 | FUNC_LEAVE_NOAPI(SUCCEED) |
941 | 0 | } /* H5A__get_name() */ |
942 | | |
943 | | /*------------------------------------------------------------------------- |
944 | | * Function: H5A_get_space |
945 | | * |
946 | | * Purpose: Returns dataspace of the attribute. |
947 | | * |
948 | | * Return: Success: A valid ID for the dataspace of an attribute |
949 | | * |
950 | | * Failure: H5I_INVALID_ID |
951 | | * |
952 | | *------------------------------------------------------------------------- |
953 | | */ |
954 | | hid_t |
955 | | H5A_get_space(H5A_t *attr) |
956 | 3 | { |
957 | 3 | H5S_t *ds = NULL; |
958 | 3 | hid_t ret_value = H5I_INVALID_HID; |
959 | | |
960 | 3 | FUNC_ENTER_NOAPI_NOINIT |
961 | | |
962 | 3 | assert(attr); |
963 | | |
964 | | /* Copy the attribute's dataspace */ |
965 | 3 | if (NULL == (ds = H5S_copy(attr->shared->ds, false, true))) |
966 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, H5I_INVALID_HID, "unable to copy dataspace"); |
967 | | |
968 | | /* Register */ |
969 | 3 | if ((ret_value = H5I_register(H5I_DATASPACE, ds, true)) < 0) |
970 | 0 | HGOTO_ERROR(H5E_ID, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to register dataspace ID"); |
971 | | |
972 | 3 | done: |
973 | 3 | if (H5I_INVALID_HID == ret_value && ds && H5S_close(ds) < 0) |
974 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, H5I_INVALID_HID, "unable to release dataspace"); |
975 | | |
976 | 3 | FUNC_LEAVE_NOAPI(ret_value) |
977 | 3 | } /* end H5A_get_space() */ |
978 | | |
979 | | /*------------------------------------------------------------------------- |
980 | | * Function: H5A__get_type |
981 | | * |
982 | | * Purpose: Returns an ID for the datatype of an attribute |
983 | | * |
984 | | * Return: Success: A valid ID for the datatype of an attribute |
985 | | * Failure: H5I_INVALID_HID |
986 | | * |
987 | | *------------------------------------------------------------------------- |
988 | | */ |
989 | | hid_t |
990 | | H5A__get_type(H5A_t *attr) |
991 | 58 | { |
992 | 58 | H5T_t *dt = NULL; |
993 | 58 | hid_t ret_value = H5I_INVALID_HID; |
994 | | |
995 | 58 | FUNC_ENTER_PACKAGE |
996 | | |
997 | 58 | assert(attr); |
998 | | |
999 | | /* Patch the datatype's "top level" file pointer */ |
1000 | 58 | if (H5T_patch_file(attr->shared->dt, attr->oloc.file) < 0) |
1001 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, H5I_INVALID_HID, "unable to patch datatype's file pointer"); |
1002 | | |
1003 | | /* Copy the attribute's datatype. If the type is a named type then |
1004 | | * reopen the type before returning it to the user. Make the type |
1005 | | * read-only. |
1006 | | */ |
1007 | 58 | if (NULL == (dt = H5T_copy_reopen(attr->shared->dt))) |
1008 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, H5I_INVALID_HID, "unable to copy datatype"); |
1009 | | |
1010 | | /* Mark any datatypes as being in memory now */ |
1011 | 58 | if (H5T_set_loc(dt, NULL, H5T_LOC_MEMORY) < 0) |
1012 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, H5I_INVALID_HID, "invalid datatype location"); |
1013 | | |
1014 | | /* Lock copied type */ |
1015 | 58 | if (H5T_lock(dt, false) < 0) |
1016 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, H5I_INVALID_HID, "unable to lock transient datatype"); |
1017 | | |
1018 | | /* Register */ |
1019 | 58 | if (H5T_is_named(dt)) { |
1020 | | /* If this is a committed datatype, we need to recreate the |
1021 | | * two level IDs, where the VOL object is a copy of the |
1022 | | * returned datatype |
1023 | | */ |
1024 | 0 | if ((ret_value = H5VL_wrap_register(H5I_DATATYPE, dt, true)) < 0) |
1025 | 0 | HGOTO_ERROR(H5E_ID, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to register file handle"); |
1026 | 0 | } |
1027 | 58 | else { |
1028 | 58 | if ((ret_value = H5I_register(H5I_DATATYPE, dt, true)) < 0) |
1029 | 0 | HGOTO_ERROR(H5E_ID, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to register datatype"); |
1030 | 58 | } |
1031 | | |
1032 | 58 | done: |
1033 | 58 | if (H5I_INVALID_HID == ret_value) |
1034 | 0 | if (dt && H5T_close(dt) < 0) |
1035 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, H5I_INVALID_HID, "unable to release datatype"); |
1036 | | |
1037 | 58 | FUNC_LEAVE_NOAPI(ret_value) |
1038 | 58 | } /* end H5A__get_type() */ |
1039 | | |
1040 | | /*-------------------------------------------------------------------------- |
1041 | | NAME |
1042 | | H5A__get_create_plist |
1043 | | PURPOSE |
1044 | | Private version of H5Aget_create_plist |
1045 | | RETURNS |
1046 | | This function returns the ID of a copy of the attribute's creation |
1047 | | property list, or negative on failure. |
1048 | | DESCRIPTION |
1049 | | This function returns a copy of the creation property list for |
1050 | | an attribute. The resulting ID must be closed with H5Pclose() or |
1051 | | resource leaks will occur. |
1052 | | --------------------------------------------------------------------------*/ |
1053 | | hid_t |
1054 | | H5A__get_create_plist(H5A_t *attr) |
1055 | 0 | { |
1056 | 0 | H5P_genplist_t *plist; /* Default property list */ |
1057 | 0 | hid_t new_plist_id; /* ID of ACPL to return */ |
1058 | 0 | H5P_genplist_t *new_plist; /* ACPL to return */ |
1059 | 0 | hid_t ret_value = H5I_INVALID_HID; /* Return value */ |
1060 | |
|
1061 | 0 | FUNC_ENTER_PACKAGE |
1062 | |
|
1063 | 0 | if (NULL == (plist = (H5P_genplist_t *)H5I_object(H5P_LST_ATTRIBUTE_CREATE_ID_g))) |
1064 | 0 | HGOTO_ERROR(H5E_PLIST, H5E_BADTYPE, FAIL, "can't get default ACPL"); |
1065 | | |
1066 | | /* Create the property list object to return */ |
1067 | 0 | if ((new_plist_id = H5P_copy_plist(plist, true)) < 0) |
1068 | 0 | HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "unable to copy attribute creation properties"); |
1069 | 0 | if (NULL == (new_plist = (H5P_genplist_t *)H5I_object(new_plist_id))) |
1070 | 0 | HGOTO_ERROR(H5E_PLIST, H5E_BADTYPE, FAIL, "can't get property list"); |
1071 | | |
1072 | | /* Set the character encoding on the new property list */ |
1073 | 0 | if (H5P_set(new_plist, H5P_STRCRT_CHAR_ENCODING_NAME, &(attr->shared->encoding)) < 0) |
1074 | 0 | HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set character encoding"); |
1075 | | |
1076 | 0 | ret_value = new_plist_id; |
1077 | |
|
1078 | 0 | done: |
1079 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1080 | 0 | } /* end H5A__get_create_plist() */ |
1081 | | |
1082 | | /*------------------------------------------------------------------------- |
1083 | | * Function: H5A__get_info |
1084 | | * |
1085 | | * Purpose: Retrieve information about an attribute. |
1086 | | * |
1087 | | * Return: Success: Non-negative |
1088 | | * Failure: Negative |
1089 | | * |
1090 | | *------------------------------------------------------------------------- |
1091 | | */ |
1092 | | herr_t |
1093 | | H5A__get_info(const H5A_t *attr, H5A_info_t *ainfo) |
1094 | 0 | { |
1095 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
1096 | |
|
1097 | 0 | FUNC_ENTER_NOAPI_NOERR |
1098 | | |
1099 | | /* Check args */ |
1100 | 0 | assert(attr); |
1101 | 0 | assert(ainfo); |
1102 | | |
1103 | | /* Set info for attribute */ |
1104 | 0 | ainfo->cset = attr->shared->encoding; |
1105 | 0 | ainfo->data_size = attr->shared->data_size; |
1106 | 0 | if (attr->shared->crt_idx == H5O_MAX_CRT_ORDER_IDX) { |
1107 | 0 | ainfo->corder_valid = false; |
1108 | 0 | ainfo->corder = 0; |
1109 | 0 | } /* end if */ |
1110 | 0 | else { |
1111 | 0 | ainfo->corder_valid = true; |
1112 | 0 | ainfo->corder = attr->shared->crt_idx; |
1113 | 0 | } /* end else */ |
1114 | |
|
1115 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1116 | 0 | } /* end H5A__get_info() */ |
1117 | | |
1118 | | /*------------------------------------------------------------------------- |
1119 | | * Function: H5A__copy |
1120 | | * |
1121 | | * Purpose: Copies attribute OLD_ATTR. |
1122 | | * |
1123 | | * Return: Success: Pointer to a new copy of the OLD_ATTR argument. |
1124 | | * Failure: NULL |
1125 | | * |
1126 | | *------------------------------------------------------------------------- |
1127 | | */ |
1128 | | H5A_t * |
1129 | | H5A__copy(H5A_t *_new_attr, const H5A_t *old_attr) |
1130 | 64 | { |
1131 | 64 | H5A_t *new_attr = NULL; |
1132 | 64 | bool allocated_attr = false; /* Whether the attribute was allocated */ |
1133 | 64 | H5A_t *ret_value = NULL; /* Return value */ |
1134 | | |
1135 | 64 | FUNC_ENTER_PACKAGE |
1136 | | |
1137 | | /* check args */ |
1138 | 64 | assert(old_attr); |
1139 | | |
1140 | | /* Allocate attribute structure */ |
1141 | 64 | if (_new_attr == NULL) { |
1142 | 64 | if (NULL == (new_attr = H5FL_CALLOC(H5A_t))) |
1143 | 0 | HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); |
1144 | 64 | allocated_attr = true; |
1145 | 64 | } /* end if */ |
1146 | 0 | else |
1147 | 0 | new_attr = _new_attr; |
1148 | | |
1149 | | /* Copy the top level of the attribute */ |
1150 | 64 | new_attr->sh_loc = old_attr->sh_loc; |
1151 | | |
1152 | | /* Deep copy of the group hierarchy path */ |
1153 | 64 | if (H5G_name_copy(&(new_attr->path), &(old_attr->path), H5_COPY_DEEP) < 0) |
1154 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, NULL, "unable to copy path"); |
1155 | | |
1156 | | /* Share some attribute information */ |
1157 | 64 | new_attr->shared = old_attr->shared; |
1158 | | |
1159 | | /* Increment reference count for shared object */ |
1160 | 64 | new_attr->shared->nrefs++; |
1161 | | |
1162 | | /* Don't open the object header for a copy */ |
1163 | 64 | new_attr->obj_opened = false; |
1164 | | |
1165 | | /* Set the return value */ |
1166 | 64 | ret_value = new_attr; |
1167 | | |
1168 | 64 | done: |
1169 | 64 | if (ret_value == NULL) |
1170 | 0 | if (allocated_attr && new_attr && H5A__close(new_attr) < 0) |
1171 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, NULL, "can't close attribute"); |
1172 | | |
1173 | 64 | FUNC_LEAVE_NOAPI(ret_value) |
1174 | 64 | } /* end H5A__copy() */ |
1175 | | |
1176 | | /*------------------------------------------------------------------------- |
1177 | | * Function: H5A__shared_free |
1178 | | * |
1179 | | * Purpose: Cleans up the shared attribute data. This will free |
1180 | | * the attribute's shared structure as well. |
1181 | | * |
1182 | | * attr and attr->shared must not be NULL |
1183 | | * |
1184 | | * Return: SUCCEED/FAIL |
1185 | | * |
1186 | | *------------------------------------------------------------------------- |
1187 | | */ |
1188 | | herr_t |
1189 | | H5A__shared_free(H5A_t *attr) |
1190 | 76 | { |
1191 | 76 | herr_t ret_value = SUCCEED; /* Return value */ |
1192 | | |
1193 | 76 | FUNC_ENTER_PACKAGE |
1194 | | |
1195 | 76 | assert(attr); |
1196 | 76 | assert(attr->shared); |
1197 | | |
1198 | | /* Free dynamically allocated items. |
1199 | | * When possible, keep trying to shut things down (via HDONE_ERROR). |
1200 | | */ |
1201 | 76 | if (attr->shared->name) { |
1202 | 76 | H5MM_xfree(attr->shared->name); |
1203 | 76 | attr->shared->name = NULL; |
1204 | 76 | } |
1205 | 76 | if (attr->shared->dt) { |
1206 | 52 | if (H5T_close_real(attr->shared->dt) < 0) |
1207 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release datatype info"); |
1208 | 52 | attr->shared->dt = NULL; |
1209 | 52 | } |
1210 | 76 | if (attr->shared->ds) { |
1211 | 52 | if (H5S_close(attr->shared->ds) < 0) |
1212 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release dataspace info"); |
1213 | 52 | attr->shared->ds = NULL; |
1214 | 52 | } |
1215 | 76 | if (attr->shared->data) |
1216 | 52 | attr->shared->data = H5FL_BLK_FREE(attr_buf, attr->shared->data); |
1217 | | |
1218 | | /* Destroy shared attribute struct */ |
1219 | 76 | attr->shared = H5FL_FREE(H5A_shared_t, attr->shared); |
1220 | | |
1221 | 76 | FUNC_LEAVE_NOAPI(ret_value) |
1222 | 76 | } /* end H5A__shared_free() */ |
1223 | | |
1224 | | /*------------------------------------------------------------------------- |
1225 | | * Function: H5A__close_cb |
1226 | | * |
1227 | | * Purpose: Called when the ref count reaches zero on the attribute's ID |
1228 | | * |
1229 | | * Return: SUCCEED/FAIL |
1230 | | * |
1231 | | *------------------------------------------------------------------------- |
1232 | | */ |
1233 | | static herr_t |
1234 | | H5A__close_cb(H5VL_object_t *attr_vol_obj, void **request) |
1235 | 64 | { |
1236 | 64 | herr_t ret_value = SUCCEED; /* Return value */ |
1237 | | |
1238 | 64 | FUNC_ENTER_PACKAGE |
1239 | | |
1240 | | /* Sanity check */ |
1241 | 64 | assert(attr_vol_obj); |
1242 | | |
1243 | | /* Close the attribute */ |
1244 | 64 | if (H5VL_attr_close(attr_vol_obj, H5P_DATASET_XFER_DEFAULT, request) < 0) |
1245 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CLOSEERROR, FAIL, "problem closing attribute"); |
1246 | | |
1247 | | /* Free the VOL object */ |
1248 | 64 | if (H5VL_free_object(attr_vol_obj) < 0) |
1249 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTDEC, FAIL, "unable to free VOL object"); |
1250 | | |
1251 | 64 | done: |
1252 | 64 | FUNC_LEAVE_NOAPI(ret_value) |
1253 | 64 | } /* end H5A__close_cb() */ |
1254 | | |
1255 | | /*------------------------------------------------------------------------- |
1256 | | * Function: H5A__close |
1257 | | * |
1258 | | * Purpose: Frees an attribute and all associated memory. |
1259 | | * |
1260 | | * Return: SUCCEED/FAIL |
1261 | | * |
1262 | | *------------------------------------------------------------------------- |
1263 | | */ |
1264 | | herr_t |
1265 | | H5A__close(H5A_t *attr) |
1266 | 116 | { |
1267 | 116 | herr_t ret_value = SUCCEED; /* Return value */ |
1268 | | |
1269 | 116 | FUNC_ENTER_PACKAGE |
1270 | | |
1271 | 116 | assert(attr); |
1272 | 116 | assert(attr->shared); |
1273 | | |
1274 | | /* Close the object's symbol-table entry */ |
1275 | 116 | if (attr->obj_opened && (H5O_close(&(attr->oloc), NULL) < 0)) |
1276 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release object header info"); |
1277 | | |
1278 | | /* Reference count can be 0. It only happens when H5A__create fails. */ |
1279 | 116 | if (attr->shared->nrefs <= 1) { |
1280 | | /* Free dynamically allocated items */ |
1281 | 52 | if (attr->shared) |
1282 | 52 | if (H5A__shared_free(attr) < 0) |
1283 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release attribute info"); |
1284 | 52 | } /* end if */ |
1285 | 64 | else { |
1286 | | /* There are other references to the shared part of the attribute. |
1287 | | * Only decrement the reference count. */ |
1288 | 64 | --attr->shared->nrefs; |
1289 | 64 | } /* end else */ |
1290 | | |
1291 | | /* Free group hierarchy path */ |
1292 | 116 | if (H5G_name_free(&(attr->path)) < 0) |
1293 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't release group hier. path"); |
1294 | | |
1295 | 116 | attr->shared = NULL; |
1296 | 116 | attr = H5FL_FREE(H5A_t, attr); |
1297 | | |
1298 | 116 | done: |
1299 | 116 | FUNC_LEAVE_NOAPI(ret_value) |
1300 | 116 | } /* end H5A__close() */ |
1301 | | |
1302 | | /*------------------------------------------------------------------------- |
1303 | | * Function: H5A_oloc |
1304 | | * |
1305 | | * Purpose: Return the object location for an attribute. It's the |
1306 | | * object location for the object to which the attribute |
1307 | | * belongs, not the attribute itself. |
1308 | | * |
1309 | | * Return: Success: Ptr to entry |
1310 | | * Failure: NULL |
1311 | | * |
1312 | | *------------------------------------------------------------------------- |
1313 | | */ |
1314 | | H5O_loc_t * |
1315 | | H5A_oloc(H5A_t *attr) |
1316 | 24 | { |
1317 | 24 | H5O_loc_t *ret_value = NULL; /* Return value */ |
1318 | | |
1319 | 24 | FUNC_ENTER_NOAPI_NOERR |
1320 | | |
1321 | 24 | assert(attr); |
1322 | | |
1323 | | /* Set return value */ |
1324 | 24 | ret_value = &(attr->oloc); |
1325 | | |
1326 | 24 | FUNC_LEAVE_NOAPI(ret_value) |
1327 | 24 | } /* end H5A_oloc() */ |
1328 | | |
1329 | | /*------------------------------------------------------------------------- |
1330 | | * Function: H5A_nameof |
1331 | | * |
1332 | | * Purpose: Return the group hier. path for an attribute. It's the |
1333 | | * group hier. path for the object to which the attribute |
1334 | | * belongs, not the attribute itself. |
1335 | | * |
1336 | | * Return: Success: Ptr to entry |
1337 | | * Failure: NULL |
1338 | | * |
1339 | | *------------------------------------------------------------------------- |
1340 | | */ |
1341 | | H5G_name_t * |
1342 | | H5A_nameof(H5A_t *attr) |
1343 | 0 | { |
1344 | 0 | H5G_name_t *ret_value = NULL; /* Return value */ |
1345 | |
|
1346 | 0 | FUNC_ENTER_NOAPI_NOERR |
1347 | |
|
1348 | 0 | assert(attr); |
1349 | | |
1350 | | /* Set return value */ |
1351 | 0 | ret_value = &(attr->path); |
1352 | |
|
1353 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1354 | 0 | } /* end H5A_nameof() */ |
1355 | | |
1356 | | /*------------------------------------------------------------------------- |
1357 | | * Function: H5A_type |
1358 | | * |
1359 | | * Purpose: Return the datatype for an attribute. |
1360 | | * |
1361 | | * Return: Success: Ptr to entry |
1362 | | * Failure: NULL |
1363 | | * |
1364 | | *------------------------------------------------------------------------- |
1365 | | */ |
1366 | | H5T_t * |
1367 | | H5A_type(const H5A_t *attr) |
1368 | 0 | { |
1369 | 0 | H5T_t *ret_value = NULL; /* Return value */ |
1370 | |
|
1371 | 0 | FUNC_ENTER_NOAPI_NOERR |
1372 | |
|
1373 | 0 | assert(attr); |
1374 | | |
1375 | | /* Set return value */ |
1376 | 0 | ret_value = attr->shared->dt; |
1377 | |
|
1378 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1379 | 0 | } /* end H5A_type() */ |
1380 | | |
1381 | | /*------------------------------------------------------------------------- |
1382 | | * Function: H5A__exists_by_name |
1383 | | * |
1384 | | * Purpose: Private version of H5Aexists_by_name |
1385 | | * |
1386 | | * Return: true/false/FAIL |
1387 | | * |
1388 | | *------------------------------------------------------------------------- |
1389 | | */ |
1390 | | herr_t |
1391 | | H5A__exists_by_name(H5G_loc_t loc, const char *obj_name, const char *attr_name, bool *attr_exists) |
1392 | 107 | { |
1393 | 107 | H5G_loc_t obj_loc; /* Location used to open group */ |
1394 | 107 | H5G_name_t obj_path; /* Opened object group hier. path */ |
1395 | 107 | H5O_loc_t obj_oloc; /* Opened object object location */ |
1396 | 107 | bool loc_found = false; /* Entry at 'obj_name' found */ |
1397 | 107 | herr_t ret_value = SUCCEED; /* Return value */ |
1398 | | |
1399 | 107 | FUNC_ENTER_PACKAGE |
1400 | | |
1401 | | /* Sanity check */ |
1402 | 107 | assert(obj_name); |
1403 | 107 | assert(attr_name); |
1404 | 107 | assert(attr_exists); |
1405 | | |
1406 | | /* Set up opened group location to fill in */ |
1407 | 107 | obj_loc.oloc = &obj_oloc; |
1408 | 107 | obj_loc.path = &obj_path; |
1409 | 107 | H5G_loc_reset(&obj_loc); |
1410 | | |
1411 | | /* Find the object's location */ |
1412 | 107 | if (H5G_loc_find(&loc, obj_name, &obj_loc /*out*/) < 0) |
1413 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found"); |
1414 | 107 | loc_found = true; |
1415 | | |
1416 | | /* Check if the attribute exists */ |
1417 | 107 | if (H5O__attr_exists(obj_loc.oloc, attr_name, attr_exists) < 0) |
1418 | 12 | HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to determine if attribute exists"); |
1419 | | |
1420 | 107 | done: |
1421 | | /* Release resources */ |
1422 | 107 | if (loc_found && H5G_loc_free(&obj_loc) < 0) |
1423 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location"); |
1424 | | |
1425 | 107 | FUNC_LEAVE_NOAPI(ret_value) |
1426 | 107 | } /* H5A__exists_by_name() */ |
1427 | | |
1428 | | /*------------------------------------------------------------------------- |
1429 | | * Function: H5A__compact_build_table_cb |
1430 | | * |
1431 | | * Purpose: Object header iterator callback routine to copy attribute |
1432 | | * into table. |
1433 | | * |
1434 | | * Return: Non-negative on success/Negative on failure |
1435 | | *------------------------------------------------------------------------- |
1436 | | */ |
1437 | | static herr_t |
1438 | | H5A__compact_build_table_cb(H5O_t H5_ATTR_UNUSED *oh, H5O_mesg_t *mesg /*in,out*/, unsigned sequence, |
1439 | | unsigned H5_ATTR_UNUSED *oh_modified, void *_udata /*in,out*/) |
1440 | 0 | { |
1441 | 0 | H5A_compact_bt_ud_t *udata = (H5A_compact_bt_ud_t *)_udata; /* Operator user data */ |
1442 | 0 | herr_t ret_value = H5_ITER_CONT; /* Return value */ |
1443 | |
|
1444 | 0 | FUNC_ENTER_PACKAGE |
1445 | | |
1446 | | /* check args */ |
1447 | 0 | assert(mesg); |
1448 | | |
1449 | | /* Re-allocate the table if necessary */ |
1450 | 0 | if (udata->atable->num_attrs == udata->atable->max_attrs) { |
1451 | 0 | H5A_t **new_table; /* New table for attributes */ |
1452 | 0 | size_t new_table_size; /* Number of attributes in new table */ |
1453 | | |
1454 | | /* Allocate larger table */ |
1455 | 0 | new_table_size = MAX(1, 2 * udata->atable->max_attrs); |
1456 | 0 | if (NULL == (new_table = (H5A_t **)H5FL_SEQ_REALLOC(H5A_t_ptr, udata->atable->attrs, new_table_size))) |
1457 | 0 | HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, H5_ITER_ERROR, "unable to extend attribute table"); |
1458 | | |
1459 | | /* Update table information in user data */ |
1460 | 0 | udata->atable->attrs = new_table; |
1461 | 0 | udata->atable->max_attrs = new_table_size; |
1462 | 0 | } /* end if */ |
1463 | | |
1464 | | /* Copy attribute into table */ |
1465 | 0 | if (NULL == |
1466 | 0 | (udata->atable->attrs[udata->atable->num_attrs] = H5A__copy(NULL, (const H5A_t *)mesg->native))) |
1467 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, H5_ITER_ERROR, "can't copy attribute"); |
1468 | | |
1469 | | /* Assign [somewhat arbitrary] creation order value, if requested */ |
1470 | 0 | if (udata->bogus_crt_idx) |
1471 | 0 | ((udata->atable->attrs[udata->atable->num_attrs])->shared)->crt_idx = sequence; |
1472 | | |
1473 | | /* Increment attribute count */ |
1474 | 0 | udata->atable->num_attrs++; |
1475 | |
|
1476 | 0 | done: |
1477 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1478 | 0 | } /* end H5A__compact_build_table_cb() */ |
1479 | | |
1480 | | /*------------------------------------------------------------------------- |
1481 | | * Function: H5A__compact_build_table |
1482 | | * |
1483 | | * Purpose: Builds a table containing a sorted list of attributes for |
1484 | | * an object |
1485 | | * |
1486 | | * Note: Used for building table of attributes in non-native iteration |
1487 | | * order for an index |
1488 | | * |
1489 | | * Return: SUCCEED/FAIL |
1490 | | * |
1491 | | *------------------------------------------------------------------------- |
1492 | | */ |
1493 | | herr_t |
1494 | | H5A__compact_build_table(H5F_t *f, H5O_t *oh, H5_index_t idx_type, H5_iter_order_t order, |
1495 | | H5A_attr_table_t *atable) |
1496 | 0 | { |
1497 | 0 | H5A_compact_bt_ud_t udata; /* User data for iteration callback */ |
1498 | 0 | H5O_mesg_operator_t op; /* Wrapper for operator */ |
1499 | 0 | bool iter_set_up = false; /* Is everything set up for iteration */ |
1500 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
1501 | |
|
1502 | 0 | FUNC_ENTER_PACKAGE |
1503 | | |
1504 | | /* Sanity check */ |
1505 | 0 | assert(f); |
1506 | 0 | assert(oh); |
1507 | 0 | assert(atable); |
1508 | | |
1509 | | /* Initialize table */ |
1510 | 0 | atable->attrs = NULL; |
1511 | 0 | atable->num_attrs = 0; |
1512 | 0 | atable->max_attrs = 0; |
1513 | | |
1514 | | /* Set up user data for iteration */ |
1515 | 0 | udata.f = f; |
1516 | 0 | udata.atable = atable; |
1517 | 0 | udata.bogus_crt_idx = |
1518 | 0 | (bool)((oh->version == H5O_VERSION_1 || !(oh->flags & H5O_HDR_ATTR_CRT_ORDER_TRACKED)) ? true |
1519 | 0 | : false); |
1520 | | |
1521 | | /* Iterate over existing attributes, checking for attribute with same name */ |
1522 | 0 | op.op_type = H5O_MESG_OP_LIB; |
1523 | 0 | op.u.lib_op = H5A__compact_build_table_cb; |
1524 | 0 | iter_set_up = true; |
1525 | 0 | if (H5O__msg_iterate_real(f, oh, H5O_MSG_ATTR, &op, &udata) < 0) |
1526 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_BADITER, FAIL, "error building attribute table"); |
1527 | | |
1528 | | /* Don't sort an empty table. */ |
1529 | 0 | if (atable->num_attrs > 0) |
1530 | | /* Sort attribute table in correct iteration order */ |
1531 | 0 | if (H5A__attr_sort_table(atable, idx_type, order) < 0) |
1532 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTSORT, FAIL, "error sorting attribute table"); |
1533 | | |
1534 | 0 | done: |
1535 | 0 | if (ret_value < 0) |
1536 | | /* Clean up partially built table on error */ |
1537 | 0 | if (iter_set_up) |
1538 | 0 | if (atable->attrs && H5A__attr_release_table(atable) < 0) |
1539 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "unable to release attribute table"); |
1540 | |
|
1541 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1542 | 0 | } /* end H5A__compact_build_table() */ |
1543 | | |
1544 | | /*------------------------------------------------------------------------- |
1545 | | * Function: H5A__dense_build_table_cb |
1546 | | * |
1547 | | * Purpose: Callback routine for building table of attributes from dense |
1548 | | * attribute storage. |
1549 | | * |
1550 | | * Return: SUCCEED/FAIL |
1551 | | * |
1552 | | *------------------------------------------------------------------------- |
1553 | | */ |
1554 | | static herr_t |
1555 | | H5A__dense_build_table_cb(const H5A_t *attr, void *_udata) |
1556 | 0 | { |
1557 | 0 | H5A_attr_table_t *atable = (H5A_attr_table_t *)_udata; /* 'User data' passed in */ |
1558 | 0 | herr_t ret_value = H5_ITER_CONT; /* Return value */ |
1559 | |
|
1560 | 0 | FUNC_ENTER_PACKAGE |
1561 | | |
1562 | | /* check arguments */ |
1563 | 0 | assert(attr); |
1564 | 0 | assert(atable); |
1565 | 0 | assert(atable->num_attrs < atable->max_attrs); |
1566 | | |
1567 | | /* Allocate attribute for entry in the table */ |
1568 | 0 | if (NULL == (atable->attrs[atable->num_attrs] = H5FL_CALLOC(H5A_t))) |
1569 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTALLOC, H5_ITER_ERROR, "can't allocate attribute"); |
1570 | | |
1571 | | /* Copy attribute information. Share the attribute object in copying. */ |
1572 | 0 | if (NULL == H5A__copy(atable->attrs[atable->num_attrs], attr)) |
1573 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, H5_ITER_ERROR, "can't copy attribute"); |
1574 | | |
1575 | | /* Increment number of attributes stored */ |
1576 | 0 | atable->num_attrs++; |
1577 | |
|
1578 | 0 | done: |
1579 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1580 | 0 | } /* end H5A__dense_build_table_cb() */ |
1581 | | |
1582 | | /*------------------------------------------------------------------------- |
1583 | | * Function: H5A__dense_build_table |
1584 | | * |
1585 | | * Purpose: Builds a table containing a sorted list of attributes for |
1586 | | * an object |
1587 | | * |
1588 | | * Note: Used for building table of attributes in non-native iteration |
1589 | | * order for an index. Uses the "name" index to retrieve records, |
1590 | | * but the 'idx_type' index for sorting them. |
1591 | | * |
1592 | | * Return: SUCCEED/FAIL |
1593 | | * |
1594 | | *------------------------------------------------------------------------- |
1595 | | */ |
1596 | | herr_t |
1597 | | H5A__dense_build_table(H5F_t *f, const H5O_ainfo_t *ainfo, H5_index_t idx_type, H5_iter_order_t order, |
1598 | | H5A_attr_table_t *atable) |
1599 | 0 | { |
1600 | 0 | H5B2_t *bt2_name = NULL; /* v2 B-tree handle for name index */ |
1601 | 0 | hsize_t nrec; /* # of records in v2 B-tree */ |
1602 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
1603 | |
|
1604 | 0 | FUNC_ENTER_PACKAGE |
1605 | | |
1606 | | /* Sanity check */ |
1607 | 0 | assert(f); |
1608 | 0 | assert(ainfo); |
1609 | 0 | assert(H5_addr_defined(ainfo->fheap_addr)); |
1610 | 0 | assert(H5_addr_defined(ainfo->name_bt2_addr)); |
1611 | 0 | assert(atable); |
1612 | | |
1613 | | /* Open the name index v2 B-tree */ |
1614 | 0 | if (NULL == (bt2_name = H5B2_open(f, ainfo->name_bt2_addr, NULL))) |
1615 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "unable to open v2 B-tree for name index"); |
1616 | | |
1617 | | /* Retrieve # of records in "name" B-tree */ |
1618 | | /* (should be same # of records in all indices) */ |
1619 | 0 | if (H5B2_get_nrec(bt2_name, &nrec) < 0) |
1620 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve # of records in index"); |
1621 | | |
1622 | | /* Allocate space for the table entries */ |
1623 | 0 | if (nrec > 0) { |
1624 | 0 | H5A_attr_iter_op_t attr_op; /* Attribute operator */ |
1625 | | |
1626 | | /* Check for overflow on the downcast */ |
1627 | 0 | H5_CHECK_OVERFLOW(nrec, /* From: */ hsize_t, /* To: */ size_t); |
1628 | | |
1629 | | /* Allocate the table to store the attributes */ |
1630 | 0 | if (NULL == (atable->attrs = (H5A_t **)H5FL_SEQ_CALLOC(H5A_t_ptr, (size_t)nrec))) |
1631 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTALLOC, FAIL, "memory allocation failed"); |
1632 | 0 | atable->num_attrs = 0; |
1633 | 0 | atable->max_attrs = (size_t)nrec; |
1634 | | |
1635 | | /* Build iterator operator */ |
1636 | 0 | attr_op.op_type = H5A_ATTR_OP_LIB; |
1637 | 0 | attr_op.u.lib_op = H5A__dense_build_table_cb; |
1638 | | |
1639 | | /* Iterate over the links in the group, building a table of the link messages */ |
1640 | 0 | if (H5A__dense_iterate(f, (hid_t)0, ainfo, H5_INDEX_NAME, H5_ITER_NATIVE, (hsize_t)0, NULL, &attr_op, |
1641 | 0 | atable) < 0) |
1642 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "error building attribute table"); |
1643 | | |
1644 | | /* Sort attribute table in correct iteration order */ |
1645 | 0 | if (H5A__attr_sort_table(atable, idx_type, order) < 0) |
1646 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTSORT, FAIL, "error sorting attribute table"); |
1647 | 0 | } /* end if */ |
1648 | 0 | else |
1649 | 0 | atable->attrs = NULL; |
1650 | | |
1651 | 0 | done: |
1652 | | /* Release resources */ |
1653 | 0 | if (bt2_name && H5B2_close(bt2_name) < 0) |
1654 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, FAIL, "can't close v2 B-tree for name index"); |
1655 | |
|
1656 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1657 | 0 | } /* end H5A__dense_build_table() */ |
1658 | | |
1659 | | /*------------------------------------------------------------------------- |
1660 | | * Function: H5A__attr_cmp_name_inc |
1661 | | * |
1662 | | * Purpose: Callback routine for comparing two attribute names, in |
1663 | | * increasing alphabetic order |
1664 | | * |
1665 | | * Return: An integer less than, equal to, or greater than zero if the |
1666 | | * first argument is considered to be respectively less than, |
1667 | | * equal to, or greater than the second. If two members compare |
1668 | | * as equal, their order in the sorted array is undefined. |
1669 | | * (i.e. same as strcmp()) |
1670 | | * |
1671 | | *------------------------------------------------------------------------- |
1672 | | */ |
1673 | | static int |
1674 | | H5A__attr_cmp_name_inc(const void *attr1, const void *attr2) |
1675 | 0 | { |
1676 | 0 | FUNC_ENTER_PACKAGE_NOERR |
1677 | |
|
1678 | 0 | FUNC_LEAVE_NOAPI( |
1679 | 0 | strcmp((*(const H5A_t *const *)attr1)->shared->name, (*(const H5A_t *const *)attr2)->shared->name)) |
1680 | 0 | } /* end H5A__attr_cmp_name_inc() */ |
1681 | | |
1682 | | /*------------------------------------------------------------------------- |
1683 | | * Function: H5A__attr_cmp_name_dec |
1684 | | * |
1685 | | * Purpose: Callback routine for comparing two attribute names, in |
1686 | | * decreasing alphabetic order |
1687 | | * |
1688 | | * Return: An integer less than, equal to, or greater than zero if the |
1689 | | * second argument is considered to be respectively less than, |
1690 | | * equal to, or greater than the first. If two members compare |
1691 | | * as equal, their order in the sorted array is undefined. |
1692 | | * (i.e. opposite of strcmp()) |
1693 | | * |
1694 | | *------------------------------------------------------------------------- |
1695 | | */ |
1696 | | static int |
1697 | | H5A__attr_cmp_name_dec(const void *attr1, const void *attr2) |
1698 | 0 | { |
1699 | 0 | FUNC_ENTER_PACKAGE_NOERR |
1700 | |
|
1701 | 0 | FUNC_LEAVE_NOAPI( |
1702 | 0 | strcmp((*(const H5A_t *const *)attr2)->shared->name, (*(const H5A_t *const *)attr1)->shared->name)) |
1703 | 0 | } /* end H5A__attr_cmp_name_dec() */ |
1704 | | |
1705 | | /*------------------------------------------------------------------------- |
1706 | | * Function: H5A__attr_cmp_corder_inc |
1707 | | * |
1708 | | * Purpose: Callback routine for comparing two attributes, in |
1709 | | * increasing creation order |
1710 | | * |
1711 | | * Return: An integer less than, equal to, or greater than zero if the |
1712 | | * first argument is considered to be respectively less than, |
1713 | | * equal to, or greater than the second. If two members compare |
1714 | | * as equal, their order in the sorted array is undefined. |
1715 | | * |
1716 | | *------------------------------------------------------------------------- |
1717 | | */ |
1718 | | static int |
1719 | | H5A__attr_cmp_corder_inc(const void *attr1, const void *attr2) |
1720 | 0 | { |
1721 | 0 | int ret_value = 0; /* Return value */ |
1722 | |
|
1723 | 0 | FUNC_ENTER_PACKAGE_NOERR |
1724 | |
|
1725 | 0 | if ((*(const H5A_t *const *)attr1)->shared->crt_idx < (*(const H5A_t *const *)attr2)->shared->crt_idx) |
1726 | 0 | ret_value = -1; |
1727 | 0 | else if ((*(const H5A_t *const *)attr1)->shared->crt_idx > |
1728 | 0 | (*(const H5A_t *const *)attr2)->shared->crt_idx) |
1729 | 0 | ret_value = 1; |
1730 | 0 | else |
1731 | 0 | ret_value = 0; |
1732 | |
|
1733 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1734 | 0 | } /* end H5A__attr_cmp_corder_inc() */ |
1735 | | |
1736 | | /*------------------------------------------------------------------------- |
1737 | | * Function: H5A__attr_cmp_corder_dec |
1738 | | * |
1739 | | * Purpose: Callback routine for comparing two attributes, in |
1740 | | * decreasing creation order |
1741 | | * |
1742 | | * Return: An integer less than, equal to, or greater than zero if the |
1743 | | * second argument is considered to be respectively less than, |
1744 | | * equal to, or greater than the first. If two members compare |
1745 | | * as equal, their order in the sorted array is undefined. |
1746 | | * |
1747 | | *------------------------------------------------------------------------- |
1748 | | */ |
1749 | | static int |
1750 | | H5A__attr_cmp_corder_dec(const void *attr1, const void *attr2) |
1751 | 0 | { |
1752 | 0 | int ret_value = 0; /* Return value */ |
1753 | |
|
1754 | 0 | FUNC_ENTER_PACKAGE_NOERR |
1755 | |
|
1756 | 0 | if ((*(const H5A_t *const *)attr1)->shared->crt_idx < (*(const H5A_t *const *)attr2)->shared->crt_idx) |
1757 | 0 | ret_value = 1; |
1758 | 0 | else if ((*(const H5A_t *const *)attr1)->shared->crt_idx > |
1759 | 0 | (*(const H5A_t *const *)attr2)->shared->crt_idx) |
1760 | 0 | ret_value = -1; |
1761 | 0 | else |
1762 | 0 | ret_value = 0; |
1763 | |
|
1764 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1765 | 0 | } /* end H5A__attr_cmp_corder_dec() */ |
1766 | | |
1767 | | /*------------------------------------------------------------------------- |
1768 | | * Function: H5A__attr_sort_table |
1769 | | * |
1770 | | * Purpose: Sort table containing a list of attributes for an object |
1771 | | * |
1772 | | * Return: SUCCEED/FAIL |
1773 | | * |
1774 | | *------------------------------------------------------------------------- |
1775 | | */ |
1776 | | static herr_t |
1777 | | H5A__attr_sort_table(H5A_attr_table_t *atable, H5_index_t idx_type, H5_iter_order_t order) |
1778 | 0 | { |
1779 | 0 | FUNC_ENTER_PACKAGE_NOERR |
1780 | | |
1781 | | /* Sanity check */ |
1782 | 0 | assert(atable); |
1783 | | |
1784 | | /* Pick appropriate comparison routine */ |
1785 | 0 | if (idx_type == H5_INDEX_NAME) { |
1786 | 0 | if (order == H5_ITER_INC) |
1787 | 0 | qsort(atable->attrs, atable->num_attrs, sizeof(H5A_t *), H5A__attr_cmp_name_inc); |
1788 | 0 | else if (order == H5_ITER_DEC) |
1789 | 0 | qsort(atable->attrs, atable->num_attrs, sizeof(H5A_t *), H5A__attr_cmp_name_dec); |
1790 | 0 | else |
1791 | 0 | assert(order == H5_ITER_NATIVE); |
1792 | 0 | } /* end if */ |
1793 | 0 | else { |
1794 | 0 | assert(idx_type == H5_INDEX_CRT_ORDER); |
1795 | 0 | if (order == H5_ITER_INC) |
1796 | 0 | qsort(atable->attrs, atable->num_attrs, sizeof(H5A_t *), H5A__attr_cmp_corder_inc); |
1797 | 0 | else if (order == H5_ITER_DEC) |
1798 | 0 | qsort(atable->attrs, atable->num_attrs, sizeof(H5A_t *), H5A__attr_cmp_corder_dec); |
1799 | 0 | else |
1800 | 0 | assert(order == H5_ITER_NATIVE); |
1801 | 0 | } /* end else */ |
1802 | |
|
1803 | 0 | FUNC_LEAVE_NOAPI(SUCCEED) |
1804 | 0 | } /* end H5A__attr_sort_table() */ |
1805 | | |
1806 | | /*------------------------------------------------------------------------- |
1807 | | * Function: H5A__attr_iterate_table |
1808 | | * |
1809 | | * Purpose: Iterate over table containing a list of attributes for an object, |
1810 | | * making appropriate callbacks |
1811 | | * |
1812 | | * Return: SUCCEED/FAIL |
1813 | | * |
1814 | | *------------------------------------------------------------------------- |
1815 | | */ |
1816 | | herr_t |
1817 | | H5A__attr_iterate_table(const H5A_attr_table_t *atable, hsize_t skip, hsize_t *last_attr, hid_t loc_id, |
1818 | | const H5A_attr_iter_op_t *attr_op, void *op_data) |
1819 | 0 | { |
1820 | 0 | size_t u; /* Local index variable */ |
1821 | 0 | herr_t ret_value = H5_ITER_CONT; /* Return value */ |
1822 | |
|
1823 | 0 | FUNC_ENTER_PACKAGE |
1824 | | |
1825 | | /* Sanity check */ |
1826 | 0 | assert(atable); |
1827 | 0 | assert(attr_op); |
1828 | | |
1829 | | /* Skip over attributes, if requested */ |
1830 | 0 | if (last_attr) |
1831 | 0 | *last_attr = skip; |
1832 | | |
1833 | | /* Iterate over attribute messages */ |
1834 | 0 | H5_CHECKED_ASSIGN(u, size_t, skip, hsize_t); |
1835 | 0 | for (; u < atable->num_attrs && !ret_value; u++) { |
1836 | | /* Check which type of callback to make */ |
1837 | 0 | switch (attr_op->op_type) { |
1838 | 0 | case H5A_ATTR_OP_APP2: { |
1839 | 0 | H5A_info_t ainfo; /* Info for attribute */ |
1840 | | |
1841 | | /* Get the attribute information */ |
1842 | 0 | if (H5A__get_info(atable->attrs[u], &ainfo) < 0) |
1843 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, H5_ITER_ERROR, "unable to get attribute info"); |
1844 | | |
1845 | | /* Make the application callback */ |
1846 | 0 | ret_value = (attr_op->u.app_op2)(loc_id, ((atable->attrs[u])->shared)->name, &ainfo, op_data); |
1847 | 0 | break; |
1848 | 0 | } |
1849 | | |
1850 | | #ifndef H5_NO_DEPRECATED_SYMBOLS |
1851 | | case H5A_ATTR_OP_APP: |
1852 | | /* Make the application callback */ |
1853 | | ret_value = (attr_op->u.app_op)(loc_id, ((atable->attrs[u])->shared)->name, op_data); |
1854 | | break; |
1855 | | #endif /* H5_NO_DEPRECATED_SYMBOLS */ |
1856 | | |
1857 | 0 | case H5A_ATTR_OP_LIB: |
1858 | | /* Call the library's callback */ |
1859 | 0 | ret_value = (attr_op->u.lib_op)((atable->attrs[u]), op_data); |
1860 | 0 | break; |
1861 | | |
1862 | 0 | default: |
1863 | 0 | assert("unknown attribute op type" && 0); |
1864 | 0 | #ifdef NDEBUG |
1865 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_UNSUPPORTED, FAIL, "unsupported attribute op type"); |
1866 | 0 | #endif /* NDEBUG */ |
1867 | 0 | } /* end switch */ |
1868 | | |
1869 | | /* Increment the number of entries passed through */ |
1870 | 0 | if (last_attr) |
1871 | 0 | (*last_attr)++; |
1872 | 0 | } /* end for */ |
1873 | | |
1874 | | /* Check for callback failure and pass along return value */ |
1875 | 0 | if (ret_value < 0) |
1876 | 0 | HERROR(H5E_ATTR, H5E_CANTNEXT, "iteration operator failed"); |
1877 | |
|
1878 | 0 | done: |
1879 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1880 | 0 | } /* end H5A__attr_iterate_table() */ |
1881 | | |
1882 | | /*------------------------------------------------------------------------- |
1883 | | * Function: H5A__attr_release_table |
1884 | | * |
1885 | | * Purpose: Release table containing a list of attributes for an object |
1886 | | * |
1887 | | * Return: SUCCEED/FAIL |
1888 | | * |
1889 | | *------------------------------------------------------------------------- |
1890 | | */ |
1891 | | herr_t |
1892 | | H5A__attr_release_table(H5A_attr_table_t *atable) |
1893 | 0 | { |
1894 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
1895 | |
|
1896 | 0 | FUNC_ENTER_PACKAGE |
1897 | | |
1898 | | /* Sanity check */ |
1899 | 0 | assert(atable); |
1900 | | |
1901 | | /* Release attribute info, if any. */ |
1902 | 0 | if (atable->num_attrs > 0) { |
1903 | 0 | size_t u; /* Local index variable */ |
1904 | | |
1905 | | /* Free attribute message information */ |
1906 | 0 | for (u = 0; u < atable->num_attrs; u++) |
1907 | 0 | if (atable->attrs[u] && H5A__close(atable->attrs[u]) < 0) |
1908 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "unable to release attribute"); |
1909 | | |
1910 | | /* Release array */ |
1911 | 0 | atable->attrs = (H5A_t **)H5FL_SEQ_FREE(H5A_t_ptr, atable->attrs); |
1912 | 0 | } /* end if */ |
1913 | 0 | else |
1914 | 0 | assert(atable->attrs == NULL); |
1915 | | |
1916 | 0 | done: |
1917 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
1918 | 0 | } /* end H5A__attr_release_table() */ |
1919 | | |
1920 | | /*------------------------------------------------------------------------- |
1921 | | * Function: H5A__get_ainfo |
1922 | | * |
1923 | | * Purpose: Retrieves the "attribute info" message for an object. Also |
1924 | | * sets the number of attributes correctly, if it isn't set up yet. |
1925 | | * |
1926 | | * Return: true/false/FAIL |
1927 | | * |
1928 | | *------------------------------------------------------------------------- |
1929 | | */ |
1930 | | htri_t |
1931 | | H5A__get_ainfo(H5F_t *f, H5O_t *oh, H5O_ainfo_t *ainfo) |
1932 | 0 | { |
1933 | 0 | H5B2_t *bt2_name = NULL; /* v2 B-tree handle for name index */ |
1934 | 0 | htri_t ret_value = FAIL; /* Return value */ |
1935 | |
|
1936 | 0 | FUNC_ENTER_NOAPI_TAG(oh->cache_info.addr, FAIL) |
1937 | | |
1938 | | /* check arguments */ |
1939 | 0 | assert(f); |
1940 | 0 | assert(oh); |
1941 | 0 | assert(ainfo); |
1942 | | |
1943 | | /* Check if the "attribute info" message exists */ |
1944 | 0 | if ((ret_value = H5O_msg_exists_oh(oh, H5O_AINFO_ID)) < 0) |
1945 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "unable to check object header"); |
1946 | 0 | if (ret_value > 0) { |
1947 | | /* Retrieve the "attribute info" structure */ |
1948 | 0 | if (NULL == H5O_msg_read_oh(f, oh, H5O_AINFO_ID, ainfo)) |
1949 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't read AINFO message"); |
1950 | | |
1951 | | /* Check if we don't know how many attributes there are */ |
1952 | 0 | if (ainfo->nattrs == HSIZET_MAX) { |
1953 | | /* Check if we are using "dense" attribute storage */ |
1954 | 0 | if (H5_addr_defined(ainfo->fheap_addr)) { |
1955 | | /* Open the name index v2 B-tree */ |
1956 | 0 | if (NULL == (bt2_name = H5B2_open(f, ainfo->name_bt2_addr, NULL))) |
1957 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "unable to open v2 B-tree for name index"); |
1958 | | |
1959 | | /* Retrieve # of records in "name" B-tree */ |
1960 | | /* (should be same # of records in all indices) */ |
1961 | 0 | if (H5B2_get_nrec(bt2_name, &ainfo->nattrs) < 0) |
1962 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't retrieve # of records in index"); |
1963 | 0 | } /* end if */ |
1964 | 0 | else |
1965 | | /* Retrieve # of attributes from object header */ |
1966 | 0 | ainfo->nattrs = oh->attr_msgs_seen; |
1967 | 0 | } /* end if */ |
1968 | 0 | } /* end if */ |
1969 | | |
1970 | 0 | done: |
1971 | | /* Release resources */ |
1972 | 0 | if (bt2_name && H5B2_close(bt2_name) < 0) |
1973 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, FAIL, "can't close v2 B-tree for name index"); |
1974 | |
|
1975 | 0 | FUNC_LEAVE_NOAPI_TAG(ret_value) |
1976 | 0 | } /* end H5A__get_ainfo() */ |
1977 | | |
1978 | | /*------------------------------------------------------------------------- |
1979 | | * Function: H5A__set_version |
1980 | | * |
1981 | | * Purpose: Sets the correct version to encode attribute with. |
1982 | | * Chooses the oldest version possible, unless the |
1983 | | * file's low bound indicates otherwise. |
1984 | | * |
1985 | | * Return: SUCCEED/FAIL |
1986 | | * |
1987 | | *------------------------------------------------------------------------- |
1988 | | */ |
1989 | | herr_t |
1990 | | H5A__set_version(const H5F_t *f, H5A_t *attr) |
1991 | 0 | { |
1992 | 0 | bool type_shared, space_shared; /* Flags to indicate that shared messages are used for this attribute */ |
1993 | 0 | uint8_t version; /* Message version */ |
1994 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
1995 | |
|
1996 | 0 | FUNC_ENTER_PACKAGE |
1997 | | |
1998 | | /* check arguments */ |
1999 | 0 | assert(f); |
2000 | 0 | assert(attr); |
2001 | | |
2002 | | /* Check whether datatype and dataspace are shared */ |
2003 | 0 | if (H5O_msg_is_shared(H5O_DTYPE_ID, attr->shared->dt) > 0) |
2004 | 0 | type_shared = true; |
2005 | 0 | else |
2006 | 0 | type_shared = false; |
2007 | |
|
2008 | 0 | if (H5O_msg_is_shared(H5O_SDSPACE_ID, attr->shared->ds) > 0) |
2009 | 0 | space_shared = true; |
2010 | 0 | else |
2011 | 0 | space_shared = false; |
2012 | | |
2013 | | /* Check which version to encode attribute with */ |
2014 | 0 | if (attr->shared->encoding != H5T_CSET_ASCII) |
2015 | 0 | version = H5O_ATTR_VERSION_3; /* Write version which includes the character encoding */ |
2016 | 0 | else if (type_shared || space_shared) |
2017 | 0 | version = |
2018 | 0 | H5O_ATTR_VERSION_2; /* Write out version with flag for indicating shared datatype or dataspace */ |
2019 | 0 | else |
2020 | 0 | version = H5O_ATTR_VERSION_1; /* Write out basic version */ |
2021 | | |
2022 | | /* Upgrade to the version indicated by the file's low bound if higher */ |
2023 | 0 | version = (uint8_t)MAX(version, (uint8_t)H5O_attr_ver_bounds[H5F_LOW_BOUND(f)]); |
2024 | | |
2025 | | /* Version bounds check */ |
2026 | 0 | if (version > H5O_attr_ver_bounds[H5F_HIGH_BOUND(f)]) |
2027 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_BADRANGE, FAIL, "attribute version out of bounds"); |
2028 | | |
2029 | | /* Set the message version */ |
2030 | 0 | attr->shared->version = version; |
2031 | |
|
2032 | 0 | done: |
2033 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2034 | 0 | } /* end H5A__set_version() */ |
2035 | | |
2036 | | /*------------------------------------------------------------------------- |
2037 | | * Function: H5A__attr_copy_file |
2038 | | * |
2039 | | * Purpose: Copies a message from _MESG to _DEST in file |
2040 | | * |
2041 | | * Note that this function assumes that it is copying *all* |
2042 | | * the attributes in the object, specifically when it copies |
2043 | | * the creation order from source to destination. If this is |
2044 | | * to be used to copy only a single attribute, then the |
2045 | | * creation order must be handled differently. -NAF |
2046 | | * |
2047 | | * Return: Success: Ptr to _DEST |
2048 | | * |
2049 | | * Failure: NULL |
2050 | | * |
2051 | | *------------------------------------------------------------------------- |
2052 | | */ |
2053 | | H5A_t * |
2054 | | H5A__attr_copy_file(const H5A_t *attr_src, H5F_t *file_dst, bool *recompute_size, |
2055 | | H5O_copy_t H5_ATTR_NDEBUG_UNUSED *cpy_info) |
2056 | 0 | { |
2057 | 0 | H5A_t *attr_dst = NULL; /* Destination attribute */ |
2058 | 0 | H5T_t *dt_mem = NULL; /* Memory datatype */ |
2059 | 0 | H5S_t *buf_space = NULL; /* Dataspace describing buffer */ |
2060 | 0 | void *buf = NULL; /* Buffer for copying data */ |
2061 | 0 | void *reclaim_buf = NULL; /* Buffer for reclaiming data */ |
2062 | 0 | void *bkg_buf = NULL; /* Background buffer */ |
2063 | 0 | hssize_t sdst_nelmts; /* # of elements in destination attribute (signed) */ |
2064 | 0 | size_t dst_nelmts; /* # of elements in destination attribute */ |
2065 | 0 | size_t dst_dt_size; /* Size of destination attribute datatype */ |
2066 | 0 | H5A_t *ret_value = NULL; /* Return value */ |
2067 | |
|
2068 | 0 | FUNC_ENTER_PACKAGE |
2069 | | |
2070 | | /* check args */ |
2071 | 0 | assert(attr_src); |
2072 | 0 | assert(file_dst); |
2073 | 0 | assert(cpy_info); |
2074 | 0 | assert(!cpy_info->copy_without_attr); |
2075 | | |
2076 | | /* Allocate space for the destination message */ |
2077 | 0 | if (NULL == (attr_dst = H5FL_CALLOC(H5A_t))) |
2078 | 0 | HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); |
2079 | | |
2080 | | /* Copy the top level of the attribute */ |
2081 | 0 | *attr_dst = *attr_src; |
2082 | |
|
2083 | 0 | if (NULL == (attr_dst->shared = H5FL_CALLOC(H5A_shared_t))) |
2084 | 0 | HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, NULL, "can't allocate shared attr structure"); |
2085 | | |
2086 | | /* Don't have an opened group location for copy */ |
2087 | 0 | H5O_loc_reset(&(attr_dst->oloc)); |
2088 | 0 | H5G_name_reset(&(attr_dst->path)); |
2089 | 0 | attr_dst->obj_opened = false; |
2090 | | |
2091 | | /* Reference count for the header message in the cache */ |
2092 | 0 | attr_dst->shared->nrefs = 1; |
2093 | | |
2094 | | /* Copy attribute's name */ |
2095 | 0 | attr_dst->shared->name = H5MM_strdup(attr_src->shared->name); |
2096 | 0 | assert(attr_dst->shared->name); |
2097 | 0 | attr_dst->shared->encoding = attr_src->shared->encoding; |
2098 | | |
2099 | | /* Copy attribute's datatype */ |
2100 | | /* If source is named, we will keep dst as named, but we will not actually |
2101 | | * copy the target and update the message until post copy */ |
2102 | 0 | if (NULL == (attr_dst->shared->dt = H5T_copy(attr_src->shared->dt, H5T_COPY_ALL))) |
2103 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, NULL, "cannot copy datatype"); |
2104 | | |
2105 | | /* Set the location of the destination datatype */ |
2106 | 0 | if (H5T_set_loc(attr_dst->shared->dt, H5F_VOL_OBJ(file_dst), H5T_LOC_DISK) < 0) |
2107 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "cannot mark datatype on disk"); |
2108 | | |
2109 | 0 | if (!H5T_is_named(attr_src->shared->dt)) { |
2110 | | /* If the datatype is not named, it may have been shared in the |
2111 | | * source file's heap. Un-share it for now. We'll try to shared |
2112 | | * it in the destination file below. |
2113 | | */ |
2114 | 0 | if (H5O_msg_reset_share(H5O_DTYPE_ID, attr_dst->shared->dt) < 0) |
2115 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "unable to reset datatype sharing"); |
2116 | 0 | } |
2117 | | |
2118 | | /* Copy the dataspace for the attribute. Make sure the maximal dimension is also copied. |
2119 | | * Otherwise the comparison in the test may complain about it. SLU 2011/4/12 */ |
2120 | 0 | attr_dst->shared->ds = H5S_copy(attr_src->shared->ds, false, true); |
2121 | 0 | assert(attr_dst->shared->ds); |
2122 | | |
2123 | | /* Reset the dataspace's sharing in the source file before trying to share |
2124 | | * it in the destination. |
2125 | | */ |
2126 | 0 | if (H5O_msg_reset_share(H5O_SDSPACE_ID, attr_dst->shared->ds) < 0) |
2127 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, NULL, "unable to reset dataspace sharing"); |
2128 | | |
2129 | | /* Simulate trying to share both the datatype and dataset, to determine the |
2130 | | * final size of the messages. This does nothing if the datatype is |
2131 | | * committed or sharing is disabled. |
2132 | | */ |
2133 | 0 | if (H5SM_try_share(file_dst, NULL, H5SM_DEFER, H5O_DTYPE_ID, attr_dst->shared->dt, NULL) < 0) |
2134 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_WRITEERROR, NULL, "can't share attribute datatype"); |
2135 | 0 | if (H5SM_try_share(file_dst, NULL, H5SM_DEFER, H5O_SDSPACE_ID, attr_dst->shared->ds, NULL) < 0) |
2136 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_WRITEERROR, NULL, "can't share attribute dataspace"); |
2137 | | |
2138 | | /* Compute the sizes of the datatype and dataspace. This is their raw |
2139 | | * size unless they're shared. |
2140 | | */ |
2141 | 0 | attr_dst->shared->dt_size = H5O_msg_raw_size(file_dst, H5O_DTYPE_ID, false, attr_dst->shared->dt); |
2142 | 0 | assert(attr_dst->shared->dt_size > 0); |
2143 | 0 | attr_dst->shared->ds_size = H5O_msg_raw_size(file_dst, H5O_SDSPACE_ID, false, attr_dst->shared->ds); |
2144 | 0 | assert(attr_dst->shared->ds_size > 0); |
2145 | | |
2146 | | /* Check whether to recompute the size of the attribute */ |
2147 | | /* (happens when the datatype or dataspace changes sharing status) */ |
2148 | 0 | if (attr_dst->shared->dt_size != attr_src->shared->dt_size || |
2149 | 0 | attr_dst->shared->ds_size != attr_src->shared->ds_size) |
2150 | 0 | *recompute_size = true; |
2151 | | |
2152 | | /* Get # of elements for destination attribute's dataspace */ |
2153 | 0 | if ((sdst_nelmts = H5S_GET_EXTENT_NPOINTS(attr_dst->shared->ds)) < 0) |
2154 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOUNT, NULL, "dataspace is invalid"); |
2155 | 0 | H5_CHECKED_ASSIGN(dst_nelmts, size_t, sdst_nelmts, hssize_t); |
2156 | | |
2157 | | /* Get size of destination attribute's datatype */ |
2158 | 0 | if (0 == (dst_dt_size = H5T_get_size(attr_dst->shared->dt))) |
2159 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to determine datatype size"); |
2160 | | |
2161 | | /* Compute the size of the data */ |
2162 | 0 | attr_dst->shared->data_size = dst_nelmts * dst_dt_size; |
2163 | | |
2164 | | /* Copy (& convert) the data, if necessary */ |
2165 | 0 | if (attr_src->shared->data) { |
2166 | 0 | if (NULL == (attr_dst->shared->data = H5FL_BLK_MALLOC(attr_buf, attr_dst->shared->data_size))) |
2167 | 0 | HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); |
2168 | | |
2169 | | /* Check if we need to convert data */ |
2170 | 0 | if (H5T_detect_class(attr_src->shared->dt, H5T_VLEN, false) > 0) { |
2171 | 0 | H5T_path_t *tpath_src_mem, *tpath_mem_dst; /* Datatype conversion paths */ |
2172 | 0 | size_t src_dt_size; /* Source datatype size */ |
2173 | 0 | size_t tmp_dt_size; /* Temp. datatype size */ |
2174 | 0 | size_t max_dt_size; /* Max atatype size */ |
2175 | 0 | hsize_t buf_dim; /* Dimension for buffer */ |
2176 | 0 | size_t nelmts; /* Number of elements in buffer */ |
2177 | 0 | size_t buf_size; /* Size of copy buffer */ |
2178 | | |
2179 | | /* create a memory copy of the variable-length datatype */ |
2180 | 0 | if (NULL == (dt_mem = H5T_copy(attr_src->shared->dt, H5T_COPY_TRANSIENT))) |
2181 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to copy"); |
2182 | | |
2183 | | /* Set up the conversion functions */ |
2184 | 0 | if (NULL == (tpath_src_mem = H5T_path_find(attr_src->shared->dt, dt_mem))) |
2185 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, |
2186 | 0 | "unable to convert between src and mem datatypes"); |
2187 | 0 | if (NULL == (tpath_mem_dst = H5T_path_find(dt_mem, attr_dst->shared->dt))) |
2188 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, |
2189 | 0 | "unable to convert between mem and dst datatypes"); |
2190 | | |
2191 | | /* Determine largest datatype size */ |
2192 | 0 | if (0 == (src_dt_size = H5T_get_size(attr_src->shared->dt))) |
2193 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to determine datatype size"); |
2194 | 0 | if (0 == (tmp_dt_size = H5T_get_size(dt_mem))) |
2195 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to determine datatype size"); |
2196 | 0 | max_dt_size = MAX(src_dt_size, tmp_dt_size); |
2197 | 0 | if (0 == (tmp_dt_size = H5T_get_size(attr_dst->shared->dt))) |
2198 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to determine datatype size"); |
2199 | 0 | max_dt_size = MAX(max_dt_size, tmp_dt_size); |
2200 | | |
2201 | | /* Set number of whole elements that fit in buffer */ |
2202 | 0 | if (0 == (nelmts = attr_src->shared->data_size / src_dt_size)) |
2203 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "element size too large"); |
2204 | | |
2205 | | /* Set up number of bytes to copy, and initial buffer size */ |
2206 | 0 | buf_size = nelmts * max_dt_size; |
2207 | | |
2208 | | /* Create dataspace for number of elements in buffer */ |
2209 | 0 | buf_dim = nelmts; |
2210 | | |
2211 | | /* Create the space and set the initial extent */ |
2212 | 0 | if (NULL == (buf_space = H5S_create_simple((unsigned)1, &buf_dim, NULL))) |
2213 | 0 | HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCREATE, NULL, "can't create simple dataspace"); |
2214 | | |
2215 | | /* Allocate memory for recclaim buf */ |
2216 | 0 | if (NULL == (reclaim_buf = H5FL_BLK_MALLOC(attr_buf, buf_size))) |
2217 | 0 | HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation NULLed for raw data chunk"); |
2218 | | |
2219 | | /* Allocate memory for copying the chunk */ |
2220 | 0 | if (NULL == (buf = H5FL_BLK_MALLOC(attr_buf, buf_size))) |
2221 | 0 | HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation NULLed for raw data chunk"); |
2222 | | |
2223 | 0 | H5MM_memcpy(buf, attr_src->shared->data, attr_src->shared->data_size); |
2224 | | |
2225 | | /* Allocate background memory */ |
2226 | 0 | if (H5T_path_bkg(tpath_src_mem) || H5T_path_bkg(tpath_mem_dst)) |
2227 | 0 | if (NULL == (bkg_buf = H5FL_BLK_CALLOC(attr_buf, buf_size))) |
2228 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTALLOC, NULL, "memory allocation failed"); |
2229 | | |
2230 | | /* Convert from source file to memory */ |
2231 | 0 | if (H5T_convert(tpath_src_mem, attr_src->shared->dt, dt_mem, nelmts, (size_t)0, (size_t)0, buf, |
2232 | 0 | bkg_buf) < 0) |
2233 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "datatype conversion NULLed"); |
2234 | | |
2235 | 0 | H5MM_memcpy(reclaim_buf, buf, buf_size); |
2236 | | |
2237 | | /* Set background buffer to all zeros */ |
2238 | 0 | if (bkg_buf) |
2239 | 0 | memset(bkg_buf, 0, buf_size); |
2240 | | |
2241 | | /* Convert from memory to destination file */ |
2242 | 0 | if (H5T_convert(tpath_mem_dst, dt_mem, attr_dst->shared->dt, nelmts, (size_t)0, (size_t)0, buf, |
2243 | 0 | bkg_buf) < 0) |
2244 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "datatype conversion NULLed"); |
2245 | | |
2246 | 0 | H5MM_memcpy(attr_dst->shared->data, buf, attr_dst->shared->data_size); |
2247 | |
|
2248 | 0 | if (H5T_reclaim(dt_mem, buf_space, reclaim_buf) < 0) |
2249 | 0 | HGOTO_ERROR(H5E_DATASET, H5E_BADITER, NULL, "unable to reclaim variable-length data"); |
2250 | 0 | } /* end if */ |
2251 | 0 | else { |
2252 | 0 | assert(attr_dst->shared->data_size == attr_src->shared->data_size); |
2253 | 0 | H5MM_memcpy(attr_dst->shared->data, attr_src->shared->data, attr_src->shared->data_size); |
2254 | 0 | } /* end else */ |
2255 | 0 | } /* end if(attr_src->shared->data) */ |
2256 | | |
2257 | | /* Copy the creation order */ |
2258 | 0 | attr_dst->shared->crt_idx = attr_src->shared->crt_idx; |
2259 | | |
2260 | | /* Recompute the version to encode the destination attribute */ |
2261 | 0 | if (H5A__set_version(file_dst, attr_dst) < 0) |
2262 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, NULL, "unable to update attribute version"); |
2263 | | |
2264 | | /* Recompute the destination attribute's size, if it's a different version */ |
2265 | 0 | if (attr_src->shared->version != attr_dst->shared->version) |
2266 | 0 | *recompute_size = true; |
2267 | | |
2268 | | /* Set return value */ |
2269 | 0 | ret_value = attr_dst; |
2270 | |
|
2271 | 0 | done: |
2272 | 0 | if (dt_mem && (H5T_close(dt_mem) < 0)) |
2273 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTCLOSEOBJ, NULL, "can't close temporary datatype"); |
2274 | 0 | if (buf_space && H5S_close(buf_space) < 0) |
2275 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTCLOSEOBJ, NULL, "can't close temporary dataspace"); |
2276 | 0 | if (buf) |
2277 | 0 | buf = H5FL_BLK_FREE(attr_buf, buf); |
2278 | 0 | if (reclaim_buf) |
2279 | 0 | reclaim_buf = H5FL_BLK_FREE(attr_buf, reclaim_buf); |
2280 | 0 | if (bkg_buf) |
2281 | 0 | bkg_buf = H5FL_BLK_FREE(attr_buf, bkg_buf); |
2282 | | |
2283 | | /* Release destination attribute information on failure */ |
2284 | 0 | if (!ret_value && attr_dst && H5A__close(attr_dst) < 0) |
2285 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, NULL, "can't close attribute"); |
2286 | |
|
2287 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2288 | 0 | } /* H5A__attr_copy_file() */ |
2289 | | |
2290 | | /*------------------------------------------------------------------------- |
2291 | | * Function: H5A__attr_post_copy_file |
2292 | | * |
2293 | | * Purpose: Finish copying a message from between files. |
2294 | | * We have to copy the values of a reference attribute in the |
2295 | | * post copy because H5O_post_copy_file() fails at the case that |
2296 | | * an object may have a reference attribute that points to the |
2297 | | * object itself. |
2298 | | * |
2299 | | * Return: SUCCEED/FAIL |
2300 | | * |
2301 | | *------------------------------------------------------------------------- |
2302 | | */ |
2303 | | herr_t |
2304 | | H5A__attr_post_copy_file(const H5O_loc_t *src_oloc, const H5A_t *attr_src, H5O_loc_t *dst_oloc, |
2305 | | const H5A_t *attr_dst, H5O_copy_t *cpy_info) |
2306 | 0 | { |
2307 | 0 | H5F_t *file_src, *file_dst; |
2308 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
2309 | |
|
2310 | 0 | FUNC_ENTER_PACKAGE |
2311 | | |
2312 | | /* check args */ |
2313 | 0 | assert(src_oloc); |
2314 | 0 | assert(dst_oloc); |
2315 | 0 | assert(attr_dst); |
2316 | 0 | assert(attr_src); |
2317 | |
|
2318 | 0 | file_src = src_oloc->file; |
2319 | 0 | file_dst = dst_oloc->file; |
2320 | |
|
2321 | 0 | assert(file_src); |
2322 | 0 | assert(file_dst); |
2323 | |
|
2324 | 0 | if (H5T_is_named(attr_src->shared->dt)) { |
2325 | 0 | H5O_loc_t *src_oloc_dt; /* Pointer to source datatype's object location */ |
2326 | 0 | H5O_loc_t *dst_oloc_dt; /* Pointer to dest. datatype's object location */ |
2327 | | |
2328 | | /* Get group entries for source & destination */ |
2329 | 0 | src_oloc_dt = H5T_oloc(attr_src->shared->dt); |
2330 | 0 | assert(src_oloc_dt); |
2331 | 0 | dst_oloc_dt = H5T_oloc(attr_dst->shared->dt); |
2332 | 0 | assert(dst_oloc_dt); |
2333 | | |
2334 | | /* Reset object location for new object */ |
2335 | 0 | H5O_loc_reset(dst_oloc_dt); |
2336 | 0 | dst_oloc_dt->file = file_dst; |
2337 | | |
2338 | | /* Copy the shared object from source to destination */ |
2339 | 0 | if (H5O_copy_header_map(src_oloc_dt, dst_oloc_dt, cpy_info, false, NULL, NULL) < 0) |
2340 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_CANTCOPY, FAIL, "unable to copy object"); |
2341 | | |
2342 | | /* Update shared message info from named datatype info */ |
2343 | 0 | H5T_update_shared(attr_dst->shared->dt); |
2344 | 0 | } |
2345 | | |
2346 | | /* Try to share both the datatype and dataset. This does nothing if the |
2347 | | * datatype is committed or sharing is disabled. |
2348 | | */ |
2349 | 0 | if (H5SM_try_share(file_dst, NULL, H5SM_WAS_DEFERRED, H5O_DTYPE_ID, attr_dst->shared->dt, NULL) < 0) |
2350 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_WRITEERROR, FAIL, "can't share attribute datatype"); |
2351 | 0 | if (H5SM_try_share(file_dst, NULL, H5SM_WAS_DEFERRED, H5O_SDSPACE_ID, attr_dst->shared->ds, NULL) < 0) |
2352 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_WRITEERROR, FAIL, "can't share attribute dataspace"); |
2353 | | |
2354 | | /* Only need to fix reference attribute with real data being copied to |
2355 | | * another file. |
2356 | | */ |
2357 | 0 | if ((NULL != attr_dst->shared->data) && (H5T_get_class(attr_dst->shared->dt, false) == H5T_REFERENCE)) { |
2358 | | |
2359 | | /* copy object pointed by reference. The current implementation does not |
2360 | | * deal with nested reference such as reference in a compound structure |
2361 | | */ |
2362 | | |
2363 | | /* Check for expanding references */ |
2364 | 0 | if (cpy_info->expand_ref) { |
2365 | | /* Copy objects referenced in source buffer to destination file and set destination elements */ |
2366 | 0 | if (H5O_copy_expand_ref(file_src, attr_src->shared->dt, attr_src->shared->data, |
2367 | 0 | attr_src->shared->data_size, file_dst, attr_dst->shared->data, |
2368 | 0 | cpy_info) < 0) |
2369 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, FAIL, "unable to copy reference attribute"); |
2370 | 0 | } /* end if */ |
2371 | 0 | else |
2372 | | /* Reset value to zero */ |
2373 | 0 | memset(attr_dst->shared->data, 0, attr_dst->shared->data_size); |
2374 | 0 | } /* end if */ |
2375 | | |
2376 | 0 | done: |
2377 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2378 | 0 | } /* H5A__attr_post_copy_file() */ |
2379 | | |
2380 | | /*------------------------------------------------------------------------- |
2381 | | * Function: H5A__dense_post_copy_file_cb |
2382 | | * |
2383 | | * Purpose: Callback routine for copying a dense attribute from SRC to DST. |
2384 | | * |
2385 | | * Return: Success: Non-negative |
2386 | | * Failure: Negative |
2387 | | * |
2388 | | *------------------------------------------------------------------------- |
2389 | | */ |
2390 | | static herr_t |
2391 | | H5A__dense_post_copy_file_cb(const H5A_t *attr_src, void *_udata) |
2392 | 0 | { |
2393 | 0 | H5A_dense_file_cp_ud_t *udata = (H5A_dense_file_cp_ud_t *)_udata; |
2394 | 0 | H5A_t *attr_dst = NULL; |
2395 | 0 | herr_t ret_value = H5_ITER_CONT; /* Return value */ |
2396 | |
|
2397 | 0 | FUNC_ENTER_PACKAGE |
2398 | | |
2399 | | /* check arguments */ |
2400 | 0 | assert(attr_src); |
2401 | 0 | assert(udata); |
2402 | 0 | assert(udata->ainfo); |
2403 | 0 | assert(udata->file); |
2404 | 0 | assert(udata->cpy_info); |
2405 | | |
2406 | | /* Set the location of the src datatype */ |
2407 | 0 | if (H5T_set_loc(attr_src->shared->dt, H5F_VOL_OBJ(udata->oloc_src->file), H5T_LOC_DISK) < 0) |
2408 | 0 | HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, H5_ITER_ERROR, "cannot mark datatype on disk"); |
2409 | | |
2410 | 0 | if (NULL == |
2411 | 0 | (attr_dst = H5A__attr_copy_file(attr_src, udata->file, udata->recompute_size, udata->cpy_info))) |
2412 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, H5_ITER_ERROR, "can't copy attribute"); |
2413 | | |
2414 | 0 | if (H5A__attr_post_copy_file(udata->oloc_src, attr_src, udata->oloc_dst, attr_dst, udata->cpy_info) < 0) |
2415 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, H5_ITER_ERROR, "can't copy attribute"); |
2416 | | |
2417 | | /* Reset shared location information */ |
2418 | 0 | if (H5O_msg_reset_share(H5O_ATTR_ID, attr_dst) < 0) |
2419 | 0 | HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, H5_ITER_ERROR, "unable to reset attribute sharing"); |
2420 | | |
2421 | | /* Set COPIED tag for destination object's metadata */ |
2422 | 0 | H5_BEGIN_TAG(H5AC__COPIED_TAG) |
2423 | | |
2424 | | /* Insert attribute into dense storage */ |
2425 | 0 | if (H5A__dense_insert(udata->file, udata->ainfo, attr_dst) < 0) |
2426 | 0 | HGOTO_ERROR_TAG(H5E_OHDR, H5E_CANTINSERT, H5_ITER_ERROR, "unable to add to dense storage"); |
2427 | | |
2428 | | /* Reset metadata tag */ |
2429 | 0 | H5_END_TAG |
2430 | | |
2431 | 0 | done: |
2432 | 0 | if (attr_dst && H5A__close(attr_dst) < 0) |
2433 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, H5_ITER_ERROR, "can't close destination attribute"); |
2434 | |
|
2435 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2436 | 0 | } /* end H5A__dense_post_copy_file_cb() */ |
2437 | | |
2438 | | /*------------------------------------------------------------------------- |
2439 | | * Function: H5A__dense_post_copy_file_all |
2440 | | * |
2441 | | * Purpose: Copy all dense attributes from SRC to DST. |
2442 | | * |
2443 | | * Return: SUCCEED/FAIL |
2444 | | * |
2445 | | *------------------------------------------------------------------------- |
2446 | | */ |
2447 | | herr_t |
2448 | | H5A__dense_post_copy_file_all(const H5O_loc_t *src_oloc, const H5O_ainfo_t *ainfo_src, H5O_loc_t *dst_oloc, |
2449 | | H5O_ainfo_t *ainfo_dst, H5O_copy_t *cpy_info) |
2450 | 0 | { |
2451 | 0 | H5A_dense_file_cp_ud_t udata; /* User data for iteration callback */ |
2452 | 0 | H5A_attr_iter_op_t attr_op; /* Attribute operator */ |
2453 | 0 | bool recompute_size = false; /* recompute the size */ |
2454 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
2455 | |
|
2456 | 0 | FUNC_ENTER_PACKAGE |
2457 | | |
2458 | | /* check arguments */ |
2459 | 0 | assert(ainfo_src); |
2460 | 0 | assert(ainfo_dst); |
2461 | |
|
2462 | 0 | udata.ainfo = ainfo_dst; /* Destination dense information */ |
2463 | 0 | udata.file = dst_oloc->file; /* Destination file */ |
2464 | 0 | udata.recompute_size = &recompute_size; /* Flag to indicate if size changed */ |
2465 | 0 | udata.cpy_info = cpy_info; /* Information on copying options */ |
2466 | 0 | udata.oloc_src = src_oloc; |
2467 | 0 | udata.oloc_dst = dst_oloc; |
2468 | |
|
2469 | 0 | attr_op.op_type = H5A_ATTR_OP_LIB; |
2470 | 0 | attr_op.u.lib_op = H5A__dense_post_copy_file_cb; |
2471 | |
|
2472 | 0 | if (H5A__dense_iterate(src_oloc->file, (hid_t)0, ainfo_src, H5_INDEX_NAME, H5_ITER_NATIVE, (hsize_t)0, |
2473 | 0 | NULL, &attr_op, &udata) < 0) |
2474 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "error building attribute table"); |
2475 | | |
2476 | 0 | done: |
2477 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2478 | 0 | } /* end H5A__dense_post_copy_file_all */ |
2479 | | |
2480 | | /*------------------------------------------------------------------------- |
2481 | | * Function: H5A__rename_by_name |
2482 | | * |
2483 | | * Purpose: Private version of H5Arename_by_name |
2484 | | * |
2485 | | * Return: SUCCEED/FAIL |
2486 | | * |
2487 | | *------------------------------------------------------------------------- |
2488 | | */ |
2489 | | herr_t |
2490 | | H5A__rename_by_name(H5G_loc_t loc, const char *obj_name, const char *old_attr_name, const char *new_attr_name) |
2491 | 0 | { |
2492 | 0 | H5G_loc_t obj_loc; /* Location used to open group */ |
2493 | 0 | H5G_name_t obj_path; /* Opened object group hier. path */ |
2494 | 0 | H5O_loc_t obj_oloc; /* Opened object object location */ |
2495 | 0 | bool loc_found = false; /* Entry at 'obj_name' found */ |
2496 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
2497 | |
|
2498 | 0 | FUNC_ENTER_PACKAGE |
2499 | | |
2500 | | /* Avoid thrashing things if the names are the same */ |
2501 | 0 | if (strcmp(old_attr_name, new_attr_name) != 0) { |
2502 | | /* Set up opened group location to fill in */ |
2503 | 0 | obj_loc.oloc = &obj_oloc; |
2504 | 0 | obj_loc.path = &obj_path; |
2505 | 0 | H5G_loc_reset(&obj_loc); |
2506 | | |
2507 | | /* Find the object's location */ |
2508 | 0 | if (H5G_loc_find(&loc, obj_name, &obj_loc /*out*/) < 0) |
2509 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found"); |
2510 | 0 | loc_found = true; |
2511 | | |
2512 | | /* Call attribute rename routine */ |
2513 | 0 | if (H5O__attr_rename(obj_loc.oloc, old_attr_name, new_attr_name) < 0) |
2514 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTRENAME, FAIL, "can't rename attribute"); |
2515 | 0 | } /* end if */ |
2516 | | |
2517 | 0 | done: |
2518 | | /* Release resources */ |
2519 | 0 | if (loc_found && H5G_loc_free(&obj_loc) < 0) |
2520 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location"); |
2521 | |
|
2522 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2523 | 0 | } /* H5A__rename_by_name() */ |
2524 | | |
2525 | | /*------------------------------------------------------------------------- |
2526 | | * Function: H5A__iterate_common |
2527 | | * |
2528 | | * Purpose: Internal common version of H5Aiterate |
2529 | | * |
2530 | | * Return: SUCCEED/FAIL |
2531 | | * |
2532 | | *------------------------------------------------------------------------- |
2533 | | */ |
2534 | | static herr_t |
2535 | | H5A__iterate_common(hid_t loc_id, H5_index_t idx_type, H5_iter_order_t order, hsize_t *idx, |
2536 | | H5A_attr_iter_op_t *attr_op, void *op_data) |
2537 | 0 | { |
2538 | 0 | hsize_t start_idx; /* Index of attribute to start iterating at */ |
2539 | 0 | hsize_t last_attr; /* Index of last attribute examined */ |
2540 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
2541 | |
|
2542 | 0 | FUNC_ENTER_PACKAGE_NOERR |
2543 | | |
2544 | | /* Call attribute iteration routine */ |
2545 | 0 | last_attr = start_idx = (idx ? *idx : 0); |
2546 | 0 | if ((ret_value = H5O__attr_iterate(loc_id, idx_type, order, start_idx, &last_attr, attr_op, op_data)) < 0) |
2547 | 0 | HERROR(H5E_ATTR, H5E_BADITER, "error iterating over attributes"); |
2548 | | |
2549 | | /* Set the last attribute information */ |
2550 | 0 | if (idx) |
2551 | 0 | *idx = last_attr; |
2552 | |
|
2553 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2554 | 0 | } /* H5A__iterate_common() */ |
2555 | | |
2556 | | /*------------------------------------------------------------------------- |
2557 | | * Function: H5A__iterate |
2558 | | * |
2559 | | * Purpose: Private version of H5Aiterate2 |
2560 | | * |
2561 | | * Return: SUCCEED/FAIL |
2562 | | * |
2563 | | *------------------------------------------------------------------------- |
2564 | | */ |
2565 | | herr_t |
2566 | | H5A__iterate(const H5G_loc_t *loc, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, |
2567 | | hsize_t *idx, H5A_operator2_t op, void *op_data) |
2568 | 0 | { |
2569 | 0 | H5G_loc_t obj_loc; /* Location used to open group */ |
2570 | 0 | H5G_name_t obj_path; /* Opened object group hier. path */ |
2571 | 0 | H5O_loc_t obj_oloc; /* Opened object object location */ |
2572 | 0 | bool loc_found = false; /* Entry at 'obj_name' found */ |
2573 | 0 | hid_t obj_loc_id = H5I_INVALID_HID; /* ID for object located */ |
2574 | 0 | H5A_attr_iter_op_t attr_op; /* Attribute operator */ |
2575 | 0 | void *temp_obj = NULL; |
2576 | 0 | H5I_type_t obj_type; |
2577 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
2578 | |
|
2579 | 0 | FUNC_ENTER_PACKAGE |
2580 | | |
2581 | | /* Build attribute operator info */ |
2582 | 0 | attr_op.op_type = H5A_ATTR_OP_APP2; |
2583 | 0 | attr_op.u.app_op2 = op; |
2584 | | |
2585 | | /* Set up opened group location to fill in */ |
2586 | 0 | obj_loc.oloc = &obj_oloc; |
2587 | 0 | obj_loc.path = &obj_path; |
2588 | 0 | H5G_loc_reset(&obj_loc); |
2589 | | |
2590 | | /* Find the object's location */ |
2591 | 0 | if (H5G_loc_find(loc, obj_name, &obj_loc) < 0) |
2592 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found"); |
2593 | 0 | loc_found = true; |
2594 | | |
2595 | | /* Open the object */ |
2596 | 0 | if (NULL == (temp_obj = H5O_open_by_loc(&obj_loc, &obj_type))) |
2597 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "unable to open object"); |
2598 | | |
2599 | | /* Get an ID for the object */ |
2600 | 0 | if ((obj_loc_id = H5VL_wrap_register(obj_type, temp_obj, true)) < 0) |
2601 | 0 | HGOTO_ERROR(H5E_ID, H5E_CANTREGISTER, FAIL, "unable to register datatype"); |
2602 | | |
2603 | | /* Call internal attribute iteration routine */ |
2604 | 0 | if ((ret_value = H5A__iterate_common(obj_loc_id, idx_type, order, idx, &attr_op, op_data)) < 0) |
2605 | 0 | HERROR(H5E_ATTR, H5E_BADITER, "error iterating over attributes"); |
2606 | |
|
2607 | 0 | done: |
2608 | | /* Release resources */ |
2609 | 0 | if (obj_loc_id != H5I_INVALID_HID) { |
2610 | 0 | if (H5I_dec_app_ref(obj_loc_id) < 0) |
2611 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTDEC, FAIL, "unable to close temporary object"); |
2612 | 0 | } /* end if */ |
2613 | 0 | else if (loc_found && H5G_loc_free(&obj_loc) < 0) |
2614 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location"); |
2615 | |
|
2616 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2617 | 0 | } /* end H5A__iterate() */ |
2618 | | |
2619 | | #ifndef H5_NO_DEPRECATED_SYMBOLS |
2620 | | |
2621 | | /*------------------------------------------------------------------------- |
2622 | | * Function: H5A__iterate_old |
2623 | | * |
2624 | | * Purpose: Private version of H5Aiterate1 |
2625 | | * |
2626 | | * Return: SUCCEED/FAIL |
2627 | | * |
2628 | | *------------------------------------------------------------------------- |
2629 | | */ |
2630 | | herr_t |
2631 | | H5A__iterate_old(hid_t loc_id, unsigned *attr_num, H5A_operator1_t op, void *op_data) |
2632 | | { |
2633 | | H5A_attr_iter_op_t attr_op; /* Attribute operator */ |
2634 | | hsize_t idx; /* Index of attribute to start iterating at */ |
2635 | | herr_t ret_value = SUCCEED; /* Return value */ |
2636 | | |
2637 | | FUNC_ENTER_PACKAGE_NOERR |
2638 | | |
2639 | | /* Build attribute operator info */ |
2640 | | attr_op.op_type = H5A_ATTR_OP_APP; |
2641 | | attr_op.u.app_op = op; |
2642 | | |
2643 | | /* Set up index */ |
2644 | | idx = (hsize_t)(attr_num ? *attr_num : 0); |
2645 | | |
2646 | | /* Call internal attribute iteration routine */ |
2647 | | if ((ret_value = H5A__iterate_common(loc_id, H5_INDEX_CRT_ORDER, H5_ITER_INC, &idx, &attr_op, op_data)) < |
2648 | | 0) |
2649 | | HERROR(H5E_ATTR, H5E_BADITER, "error iterating over attributes"); |
2650 | | |
2651 | | /* Translate hsize_t index value to legacy unsigned index value*/ |
2652 | | if (attr_num) |
2653 | | *attr_num = (unsigned)idx; |
2654 | | |
2655 | | FUNC_LEAVE_NOAPI(ret_value) |
2656 | | } /* H5A__iterate_old() */ |
2657 | | #endif /* H5_NO_DEPRECATED_SYMBOLS */ |
2658 | | |
2659 | | /*------------------------------------------------------------------------- |
2660 | | * Function: H5A__delete_by_name |
2661 | | * |
2662 | | * Purpose: Private version of H5Adelete_by_name |
2663 | | * |
2664 | | * Return: SUCCEED/FAIL |
2665 | | * |
2666 | | *------------------------------------------------------------------------- |
2667 | | */ |
2668 | | herr_t |
2669 | | H5A__delete_by_name(const H5G_loc_t *loc, const char *obj_name, const char *attr_name) |
2670 | 0 | { |
2671 | 0 | H5G_loc_t obj_loc; /* Location used to open group */ |
2672 | 0 | H5G_name_t obj_path; /* Opened object group hier. path */ |
2673 | 0 | H5O_loc_t obj_oloc; /* Opened object object location */ |
2674 | 0 | bool loc_found = false; /* Entry at 'obj_name' found */ |
2675 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
2676 | |
|
2677 | 0 | FUNC_ENTER_PACKAGE |
2678 | | |
2679 | | /* Set up opened group location to fill in */ |
2680 | 0 | obj_loc.oloc = &obj_oloc; |
2681 | 0 | obj_loc.path = &obj_path; |
2682 | 0 | H5G_loc_reset(&obj_loc); |
2683 | | |
2684 | | /* Find the object's location */ |
2685 | 0 | if (H5G_loc_find(loc, obj_name, &obj_loc /*out*/) < 0) |
2686 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found"); |
2687 | 0 | loc_found = true; |
2688 | | |
2689 | | /* Delete the attribute from the location */ |
2690 | 0 | if (H5O__attr_remove(obj_loc.oloc, attr_name) < 0) |
2691 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute"); |
2692 | | |
2693 | 0 | done: |
2694 | | /* Release resources */ |
2695 | 0 | if (loc_found && H5G_loc_free(&obj_loc) < 0) |
2696 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location"); |
2697 | |
|
2698 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2699 | 0 | } /* H5A__delete_by_name() */ |
2700 | | |
2701 | | /*------------------------------------------------------------------------- |
2702 | | * Function: H5A__delete_by_idx |
2703 | | * |
2704 | | * Purpose: Private version of H5Adelete_by_idx |
2705 | | * |
2706 | | * Return: SUCCEED/FAIL |
2707 | | * |
2708 | | *------------------------------------------------------------------------- |
2709 | | */ |
2710 | | herr_t |
2711 | | H5A__delete_by_idx(const H5G_loc_t *loc, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, |
2712 | | hsize_t n) |
2713 | 0 | { |
2714 | 0 | H5G_loc_t obj_loc; /* Location used to open group */ |
2715 | 0 | H5G_name_t obj_path; /* Opened object group hier. path */ |
2716 | 0 | H5O_loc_t obj_oloc; /* Opened object object location */ |
2717 | 0 | bool loc_found = false; /* Entry at 'obj_name' found */ |
2718 | 0 | herr_t ret_value = SUCCEED; /* Return value */ |
2719 | |
|
2720 | 0 | FUNC_ENTER_PACKAGE |
2721 | | |
2722 | | /* Set up opened group location to fill in */ |
2723 | 0 | obj_loc.oloc = &obj_oloc; |
2724 | 0 | obj_loc.path = &obj_path; |
2725 | 0 | H5G_loc_reset(&obj_loc); |
2726 | | |
2727 | | /* Find the object's location */ |
2728 | 0 | if (H5G_loc_find(loc, obj_name, &obj_loc /*out*/) < 0) |
2729 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found"); |
2730 | 0 | loc_found = true; |
2731 | | |
2732 | | /* Delete the attribute from the location */ |
2733 | 0 | if (H5O__attr_remove_by_idx(obj_loc.oloc, idx_type, order, n) < 0) |
2734 | 0 | HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute"); |
2735 | | |
2736 | 0 | done: |
2737 | | /* Release resources */ |
2738 | 0 | if (loc_found && H5G_loc_free(&obj_loc) < 0) |
2739 | 0 | HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location"); |
2740 | |
|
2741 | 0 | FUNC_LEAVE_NOAPI(ret_value) |
2742 | 0 | } /* H5A__delete_by_idx() */ |