83168e74fe9cd99c22922342a219684865a31feb
[babeltrace.git] / lib / value.c
1 /*
2 * Copyright (c) 2015-2018 Philippe Proulx <pproulx@efficios.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 #define BT_LOG_TAG "VALUES"
24 #include <babeltrace/lib-logging-internal.h>
25
26 #include <stdlib.h>
27 #include <string.h>
28 #include <string.h>
29 #include <inttypes.h>
30 #include <babeltrace/compiler-internal.h>
31 #include <babeltrace/common-internal.h>
32 #include <babeltrace/value-const.h>
33 #include <babeltrace/value.h>
34 #include <babeltrace/compat/glib-internal.h>
35 #include <babeltrace/types.h>
36 #include <babeltrace/assert-pre-internal.h>
37 #include <babeltrace/object-internal.h>
38 #include <babeltrace/value-internal.h>
39 #include <babeltrace/assert-internal.h>
40
41 #define BT_VALUE_FROM_CONCRETE(_concrete) ((struct bt_value *) (_concrete))
42 #define BT_VALUE_TO_BOOL(_base) ((struct bt_value_bool *) (_base))
43 #define BT_VALUE_TO_INTEGER(_base) ((struct bt_value_integer *) (_base))
44 #define BT_VALUE_TO_REAL(_base) ((struct bt_value_real *) (_base))
45 #define BT_VALUE_TO_STRING(_base) ((struct bt_value_string *) (_base))
46 #define BT_VALUE_TO_ARRAY(_base) ((struct bt_value_array *) (_base))
47 #define BT_VALUE_TO_MAP(_base) ((struct bt_value_map *) (_base))
48
49 #define BT_ASSERT_PRE_VALUE_IS_TYPE(_value, _type) \
50 BT_ASSERT_PRE(((struct bt_value *) (_value))->type == (_type), \
51 "Value has the wrong type ID: expected-type=%s, " \
52 "%![value-]+v", bt_common_value_type_string(_type), \
53 (_value))
54
55 #define BT_ASSERT_PRE_VALUE_HOT(_value, _name) \
56 BT_ASSERT_PRE_HOT(((struct bt_value *) (_value)), (_name), \
57 ": %!+v", (_value))
58
59 #define BT_ASSERT_PRE_VALUE_INDEX_IN_BOUNDS(_index, _count) \
60 BT_ASSERT_PRE((_index) < (_count), \
61 "Index is out of bound: " \
62 "index=%" PRIu64 ", count=%u", (_index), (_count));
63
64 struct bt_value {
65 struct bt_object base;
66 enum bt_value_type type;
67 bt_bool frozen;
68 };
69
70 static
71 void bt_value_null_instance_release_func(struct bt_object *obj)
72 {
73 BT_LOGW("Releasing the null value singleton: addr=%p", obj);
74 }
75
76 static
77 struct bt_value bt_value_null_instance = {
78 .base = {
79 .is_shared = true,
80 .ref_count = 1,
81 .release_func = bt_value_null_instance_release_func,
82 .spec_release_func = NULL,
83 .parent_is_owner_listener_func = NULL,
84 .parent = NULL,
85 },
86 .type = BT_VALUE_TYPE_NULL,
87 .frozen = BT_TRUE,
88 };
89
90 struct bt_value *const bt_value_null = &bt_value_null_instance;
91
92 struct bt_value_bool {
93 struct bt_value base;
94 bt_bool value;
95 };
96
97 struct bt_value_integer {
98 struct bt_value base;
99 int64_t value;
100 };
101
102 struct bt_value_real {
103 struct bt_value base;
104 double value;
105 };
106
107 struct bt_value_string {
108 struct bt_value base;
109 GString *gstr;
110 };
111
112 struct bt_value_array {
113 struct bt_value base;
114 GPtrArray *garray;
115 };
116
117 struct bt_value_map {
118 struct bt_value base;
119 GHashTable *ght;
120 };
121
122 static
123 void bt_value_destroy(struct bt_object *obj);
124
125 static
126 void bt_value_string_destroy(struct bt_value *object)
127 {
128 g_string_free(BT_VALUE_TO_STRING(object)->gstr, TRUE);
129 BT_VALUE_TO_STRING(object)->gstr = NULL;
130 }
131
132 static
133 void bt_value_array_destroy(struct bt_value *object)
134 {
135 /*
136 * Pointer array's registered value destructor will take care
137 * of putting each contained object.
138 */
139 g_ptr_array_free(BT_VALUE_TO_ARRAY(object)->garray, TRUE);
140 BT_VALUE_TO_ARRAY(object)->garray = NULL;
141 }
142
143 static
144 void bt_value_map_destroy(struct bt_value *object)
145 {
146 /*
147 * Hash table's registered value destructor will take care of
148 * putting each contained object. Keys are GQuarks and cannot
149 * be destroyed anyway.
150 */
151 g_hash_table_destroy(BT_VALUE_TO_MAP(object)->ght);
152 BT_VALUE_TO_MAP(object)->ght = NULL;
153 }
154
155 static
156 void (* const destroy_funcs[])(struct bt_value *) = {
157 [BT_VALUE_TYPE_NULL] = NULL,
158 [BT_VALUE_TYPE_BOOL] = NULL,
159 [BT_VALUE_TYPE_INTEGER] = NULL,
160 [BT_VALUE_TYPE_REAL] = NULL,
161 [BT_VALUE_TYPE_STRING] = bt_value_string_destroy,
162 [BT_VALUE_TYPE_ARRAY] = bt_value_array_destroy,
163 [BT_VALUE_TYPE_MAP] = bt_value_map_destroy,
164 };
165
166 static
167 struct bt_value *bt_value_null_copy(const struct bt_value *null_obj)
168 {
169 return (void *) bt_value_null;
170 }
171
172 static
173 struct bt_value *bt_value_bool_copy(const struct bt_value *bool_obj)
174 {
175 return bt_value_bool_create_init(
176 BT_VALUE_TO_BOOL(bool_obj)->value);
177 }
178
179 static
180 struct bt_value *bt_value_integer_copy(
181 const struct bt_value *integer_obj)
182 {
183 return bt_value_integer_create_init(
184 BT_VALUE_TO_INTEGER(integer_obj)->value);
185 }
186
187 static
188 struct bt_value *bt_value_real_copy(const struct bt_value *real_obj)
189 {
190 return bt_value_real_create_init(
191 BT_VALUE_TO_REAL(real_obj)->value);
192 }
193
194 static
195 struct bt_value *bt_value_string_copy(const struct bt_value *string_obj)
196 {
197 return bt_value_string_create_init(
198 BT_VALUE_TO_STRING(string_obj)->gstr->str);
199 }
200
201 static
202 struct bt_value *bt_value_array_copy(const struct bt_value *array_obj)
203 {
204 int i;
205 int ret;
206 struct bt_value *copy_obj;
207 struct bt_value_array *typed_array_obj;
208
209 BT_LOGD("Copying array value: addr=%p", array_obj);
210 typed_array_obj = BT_VALUE_TO_ARRAY(array_obj);
211 copy_obj = bt_value_array_create();
212 if (!copy_obj) {
213 BT_LOGE_STR("Cannot create empty array value.");
214 goto end;
215 }
216
217 for (i = 0; i < typed_array_obj->garray->len; ++i) {
218 struct bt_value *element_obj_copy = NULL;
219 const struct bt_value *element_obj =
220 bt_value_array_borrow_element_by_index_const(
221 array_obj, i);
222
223 BT_ASSERT(element_obj);
224 BT_LOGD("Copying array value's element: element-addr=%p, "
225 "index=%d", element_obj, i);
226 ret = bt_value_copy(element_obj, &element_obj_copy);
227 if (ret) {
228 BT_LOGE("Cannot copy array value's element: "
229 "array-addr=%p, index=%d",
230 array_obj, i);
231 BT_OBJECT_PUT_REF_AND_RESET(copy_obj);
232 goto end;
233 }
234
235 BT_ASSERT(element_obj_copy);
236 ret = bt_value_array_append_element(copy_obj,
237 (void *) element_obj_copy);
238 BT_OBJECT_PUT_REF_AND_RESET(element_obj_copy);
239 if (ret) {
240 BT_LOGE("Cannot append to array value: addr=%p",
241 array_obj);
242 BT_OBJECT_PUT_REF_AND_RESET(copy_obj);
243 goto end;
244 }
245 }
246
247 BT_LOGD("Copied array value: original-addr=%p, copy-addr=%p",
248 array_obj, copy_obj);
249
250 end:
251 return copy_obj;
252 }
253
254 static
255 struct bt_value *bt_value_map_copy(const struct bt_value *map_obj)
256 {
257 int ret;
258 GHashTableIter iter;
259 gpointer key, element_obj;
260 struct bt_value *copy_obj;
261 struct bt_value *element_obj_copy = NULL;
262 struct bt_value_map *typed_map_obj;
263
264 BT_LOGD("Copying map value: addr=%p", map_obj);
265 typed_map_obj = BT_VALUE_TO_MAP(map_obj);
266 copy_obj = bt_value_map_create();
267 if (!copy_obj) {
268 goto end;
269 }
270
271 g_hash_table_iter_init(&iter, typed_map_obj->ght);
272
273 while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
274 const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key));
275
276 BT_ASSERT(key_str);
277 BT_LOGD("Copying map value's element: element-addr=%p, "
278 "key=\"%s\"", element_obj, key_str);
279 ret = bt_value_copy(element_obj, &element_obj_copy);
280 if (ret) {
281 BT_LOGE("Cannot copy map value's element: "
282 "map-addr=%p, key=\"%s\"",
283 map_obj, key_str);
284 BT_OBJECT_PUT_REF_AND_RESET(copy_obj);
285 goto end;
286 }
287
288 BT_ASSERT(element_obj_copy);
289 ret = bt_value_map_insert_entry(copy_obj, key_str,
290 (void *) element_obj_copy);
291 BT_OBJECT_PUT_REF_AND_RESET(element_obj_copy);
292 if (ret) {
293 BT_LOGE("Cannot insert into map value: addr=%p, key=\"%s\"",
294 map_obj, key_str);
295 BT_OBJECT_PUT_REF_AND_RESET(copy_obj);
296 goto end;
297 }
298 }
299
300 BT_LOGD("Copied map value: addr=%p", map_obj);
301
302 end:
303 return copy_obj;
304 }
305
306 static
307 struct bt_value *(* const copy_funcs[])(const struct bt_value *) = {
308 [BT_VALUE_TYPE_NULL] = bt_value_null_copy,
309 [BT_VALUE_TYPE_BOOL] = bt_value_bool_copy,
310 [BT_VALUE_TYPE_INTEGER] = bt_value_integer_copy,
311 [BT_VALUE_TYPE_REAL] = bt_value_real_copy,
312 [BT_VALUE_TYPE_STRING] = bt_value_string_copy,
313 [BT_VALUE_TYPE_ARRAY] = bt_value_array_copy,
314 [BT_VALUE_TYPE_MAP] = bt_value_map_copy,
315 };
316
317 static
318 bt_bool bt_value_null_compare(const struct bt_value *object_a,
319 const struct bt_value *object_b)
320 {
321 /*
322 * Always BT_TRUE since bt_value_compare() already checks if both
323 * object_a and object_b have the same type, and in the case of
324 * null value objects, they're always the same if it is so.
325 */
326 return BT_TRUE;
327 }
328
329 static
330 bt_bool bt_value_bool_compare(const struct bt_value *object_a,
331 const struct bt_value *object_b)
332 {
333 if (BT_VALUE_TO_BOOL(object_a)->value !=
334 BT_VALUE_TO_BOOL(object_b)->value) {
335 BT_LOGV("Boolean value objects are different: "
336 "bool-a-val=%d, bool-b-val=%d",
337 BT_VALUE_TO_BOOL(object_a)->value,
338 BT_VALUE_TO_BOOL(object_b)->value);
339 return BT_FALSE;
340 }
341
342 return BT_TRUE;
343 }
344
345 static
346 bt_bool bt_value_integer_compare(const struct bt_value *object_a,
347 const struct bt_value *object_b)
348 {
349 if (BT_VALUE_TO_INTEGER(object_a)->value !=
350 BT_VALUE_TO_INTEGER(object_b)->value) {
351 BT_LOGV("Integer value objects are different: "
352 "int-a-val=%" PRId64 ", int-b-val=%" PRId64,
353 BT_VALUE_TO_INTEGER(object_a)->value,
354 BT_VALUE_TO_INTEGER(object_b)->value);
355 return BT_FALSE;
356 }
357
358 return BT_TRUE;
359 }
360
361 static
362 bt_bool bt_value_real_compare(const struct bt_value *object_a,
363 const struct bt_value *object_b)
364 {
365 if (BT_VALUE_TO_REAL(object_a)->value !=
366 BT_VALUE_TO_REAL(object_b)->value) {
367 BT_LOGV("Real number value objects are different: "
368 "real-a-val=%f, real-b-val=%f",
369 BT_VALUE_TO_REAL(object_a)->value,
370 BT_VALUE_TO_REAL(object_b)->value);
371 return BT_FALSE;
372 }
373
374 return BT_TRUE;
375 }
376
377 static
378 bt_bool bt_value_string_compare(const struct bt_value *object_a,
379 const struct bt_value *object_b)
380 {
381 if (strcmp(BT_VALUE_TO_STRING(object_a)->gstr->str,
382 BT_VALUE_TO_STRING(object_b)->gstr->str) != 0) {
383 BT_LOGV("String value objects are different: "
384 "string-a-val=\"%s\", string-b-val=\"%s\"",
385 BT_VALUE_TO_STRING(object_a)->gstr->str,
386 BT_VALUE_TO_STRING(object_b)->gstr->str);
387 return BT_FALSE;
388 }
389
390 return BT_TRUE;
391 }
392
393 static
394 bt_bool bt_value_array_compare(const struct bt_value *object_a,
395 const struct bt_value *object_b)
396 {
397 int i;
398 bt_bool ret = BT_TRUE;
399 const struct bt_value_array *array_obj_a =
400 BT_VALUE_TO_ARRAY(object_a);
401
402 if (bt_value_array_get_size(object_a) !=
403 bt_value_array_get_size(object_b)) {
404 BT_LOGV("Array values are different: size mismatch "
405 "value-a-addr=%p, value-b-addr=%p, "
406 "value-a-size=%" PRId64 ", value-b-size=%" PRId64,
407 object_a, object_b,
408 bt_value_array_get_size(object_a),
409 bt_value_array_get_size(object_b));
410 ret = BT_FALSE;
411 goto end;
412 }
413
414 for (i = 0; i < array_obj_a->garray->len; ++i) {
415 const struct bt_value *element_obj_a;
416 const struct bt_value *element_obj_b;
417
418 element_obj_a = bt_value_array_borrow_element_by_index_const(
419 object_a, i);
420 element_obj_b = bt_value_array_borrow_element_by_index_const(
421 object_b, i);
422
423 if (!bt_value_compare(element_obj_a, element_obj_b)) {
424 BT_LOGV("Array values's elements are different: "
425 "value-a-addr=%p, value-b-addr=%p, index=%d",
426 element_obj_a, element_obj_b, i);
427 ret = BT_FALSE;
428 goto end;
429 }
430 }
431
432 end:
433 return ret;
434 }
435
436 static
437 bt_bool bt_value_map_compare(const struct bt_value *object_a,
438 const struct bt_value *object_b)
439 {
440 bt_bool ret = BT_TRUE;
441 GHashTableIter iter;
442 gpointer key, element_obj_a;
443 const struct bt_value_map *map_obj_a = BT_VALUE_TO_MAP(object_a);
444
445 if (bt_value_map_get_size(object_a) !=
446 bt_value_map_get_size(object_b)) {
447 BT_LOGV("Map values are different: size mismatch "
448 "value-a-addr=%p, value-b-addr=%p, "
449 "value-a-size=%" PRId64 ", value-b-size=%" PRId64,
450 object_a, object_b,
451 bt_value_map_get_size(object_a),
452 bt_value_map_get_size(object_b));
453 ret = BT_FALSE;
454 goto end;
455 }
456
457 g_hash_table_iter_init(&iter, map_obj_a->ght);
458
459 while (g_hash_table_iter_next(&iter, &key, &element_obj_a)) {
460 const struct bt_value *element_obj_b;
461 const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key));
462
463 element_obj_b = bt_value_map_borrow_entry_value_const(object_b,
464 key_str);
465
466 if (!bt_value_compare(element_obj_a, element_obj_b)) {
467 BT_LOGV("Map values's elements are different: "
468 "value-a-addr=%p, value-b-addr=%p, key=\"%s\"",
469 element_obj_a, element_obj_b, key_str);
470 ret = BT_FALSE;
471 goto end;
472 }
473 }
474
475 end:
476 return ret;
477 }
478
479 static
480 bt_bool (* const compare_funcs[])(const struct bt_value *,
481 const struct bt_value *) = {
482 [BT_VALUE_TYPE_NULL] = bt_value_null_compare,
483 [BT_VALUE_TYPE_BOOL] = bt_value_bool_compare,
484 [BT_VALUE_TYPE_INTEGER] = bt_value_integer_compare,
485 [BT_VALUE_TYPE_REAL] = bt_value_real_compare,
486 [BT_VALUE_TYPE_STRING] = bt_value_string_compare,
487 [BT_VALUE_TYPE_ARRAY] = bt_value_array_compare,
488 [BT_VALUE_TYPE_MAP] = bt_value_map_compare,
489 };
490
491 static
492 void bt_value_null_freeze(struct bt_value *object)
493 {
494 }
495
496 static
497 void bt_value_generic_freeze(struct bt_value *object)
498 {
499 object->frozen = BT_TRUE;
500 }
501
502 static
503 void bt_value_array_freeze(struct bt_value *object)
504 {
505 int i;
506 struct bt_value_array *typed_array_obj =
507 BT_VALUE_TO_ARRAY(object);
508
509 for (i = 0; i < typed_array_obj->garray->len; ++i) {
510 bt_value_freeze(g_ptr_array_index(typed_array_obj->garray, i));
511 }
512
513 bt_value_generic_freeze(object);
514 }
515
516 static
517 void bt_value_map_freeze(struct bt_value *object)
518 {
519 GHashTableIter iter;
520 gpointer key, element_obj;
521 const struct bt_value_map *map_obj = BT_VALUE_TO_MAP(object);
522
523 g_hash_table_iter_init(&iter, map_obj->ght);
524
525 while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
526 bt_value_freeze(element_obj);
527 }
528
529 bt_value_generic_freeze(object);
530 }
531
532 static
533 void (* const freeze_funcs[])(struct bt_value *) = {
534 [BT_VALUE_TYPE_NULL] = bt_value_null_freeze,
535 [BT_VALUE_TYPE_BOOL] = bt_value_generic_freeze,
536 [BT_VALUE_TYPE_INTEGER] = bt_value_generic_freeze,
537 [BT_VALUE_TYPE_REAL] = bt_value_generic_freeze,
538 [BT_VALUE_TYPE_STRING] = bt_value_generic_freeze,
539 [BT_VALUE_TYPE_ARRAY] = bt_value_array_freeze,
540 [BT_VALUE_TYPE_MAP] = bt_value_map_freeze,
541 };
542
543 static
544 void bt_value_destroy(struct bt_object *obj)
545 {
546 struct bt_value *value;
547
548 value = container_of(obj, struct bt_value, base);
549 BT_LOGD("Destroying value: addr=%p", value);
550
551 if (bt_value_is_null(value)) {
552 BT_LOGD_STR("Not destroying the null value singleton.");
553 return;
554 }
555
556 if (destroy_funcs[value->type]) {
557 destroy_funcs[value->type](value);
558 }
559
560 g_free(value);
561 }
562
563 BT_HIDDEN
564 enum bt_value_status _bt_value_freeze(const struct bt_value *c_object)
565 {
566 const struct bt_value *object = (void *) c_object;
567 enum bt_value_status ret = BT_VALUE_STATUS_OK;
568
569 BT_ASSERT(object);
570
571 if (object->frozen) {
572 goto end;
573 }
574
575 BT_LOGD("Freezing value: addr=%p", object);
576 freeze_funcs[object->type]((void *) object);
577
578 end:
579 return ret;
580 }
581
582 enum bt_value_type bt_value_get_type(const struct bt_value *object)
583 {
584 BT_ASSERT_PRE_NON_NULL(object, "Value object");
585 return object->type;
586 }
587
588 static
589 struct bt_value bt_value_create_base(enum bt_value_type type)
590 {
591 struct bt_value value;
592
593 value.type = type;
594 value.frozen = BT_FALSE;
595 bt_object_init_shared(&value.base, bt_value_destroy);
596 return value;
597 }
598
599 struct bt_value *bt_value_bool_create_init(bt_bool val)
600 {
601 struct bt_value_bool *bool_obj;
602
603 BT_LOGD("Creating boolean value object: val=%d", val);
604 bool_obj = g_new0(struct bt_value_bool, 1);
605 if (!bool_obj) {
606 BT_LOGE_STR("Failed to allocate one boolean value object.");
607 goto end;
608 }
609
610 bool_obj->base = bt_value_create_base(BT_VALUE_TYPE_BOOL);
611 bool_obj->value = val;
612 BT_LOGD("Created boolean value object: addr=%p", bool_obj);
613
614 end:
615 return (void *) BT_VALUE_FROM_CONCRETE(bool_obj);
616 }
617
618 struct bt_value *bt_value_bool_create(void)
619 {
620 return bt_value_bool_create_init(BT_FALSE);
621 }
622
623 struct bt_value *bt_value_integer_create_init(int64_t val)
624 {
625 struct bt_value_integer *integer_obj;
626
627 BT_LOGD("Creating integer value object: val=%" PRId64, val);
628 integer_obj = g_new0(struct bt_value_integer, 1);
629 if (!integer_obj) {
630 BT_LOGE_STR("Failed to allocate one integer value object.");
631 goto end;
632 }
633
634 integer_obj->base = bt_value_create_base(BT_VALUE_TYPE_INTEGER);
635 integer_obj->value = val;
636 BT_LOGD("Created integer value object: addr=%p",
637 integer_obj);
638
639 end:
640 return (void *) BT_VALUE_FROM_CONCRETE(integer_obj);
641 }
642
643 struct bt_value *bt_value_integer_create(void)
644 {
645 return bt_value_integer_create_init(0);
646 }
647
648 struct bt_value *bt_value_real_create_init(double val)
649 {
650 struct bt_value_real *real_obj;
651
652 BT_LOGD("Creating real number value object: val=%f", val);
653 real_obj = g_new0(struct bt_value_real, 1);
654 if (!real_obj) {
655 BT_LOGE_STR("Failed to allocate one real number value object.");
656 goto end;
657 }
658
659 real_obj->base = bt_value_create_base(BT_VALUE_TYPE_REAL);
660 real_obj->value = val;
661 BT_LOGD("Created real number value object: addr=%p",
662 real_obj);
663
664 end:
665 return (void *) BT_VALUE_FROM_CONCRETE(real_obj);
666 }
667
668 struct bt_value *bt_value_real_create(void)
669 {
670 return bt_value_real_create_init(0.);
671 }
672
673 struct bt_value *bt_value_string_create_init(const char *val)
674 {
675 struct bt_value_string *string_obj = NULL;
676
677 if (!val) {
678 BT_LOGW_STR("Invalid parameter: value is NULL.");
679 goto end;
680 }
681
682 BT_LOGD("Creating string value object: val-len=%zu", strlen(val));
683 string_obj = g_new0(struct bt_value_string, 1);
684 if (!string_obj) {
685 BT_LOGE_STR("Failed to allocate one string object.");
686 goto end;
687 }
688
689 string_obj->base = bt_value_create_base(BT_VALUE_TYPE_STRING);
690 string_obj->gstr = g_string_new(val);
691 if (!string_obj->gstr) {
692 BT_LOGE_STR("Failed to allocate a GString.");
693 g_free(string_obj);
694 string_obj = NULL;
695 goto end;
696 }
697
698 BT_LOGD("Created string value object: addr=%p",
699 string_obj);
700
701 end:
702 return (void *) BT_VALUE_FROM_CONCRETE(string_obj);
703 }
704
705 struct bt_value *bt_value_string_create(void)
706 {
707 return bt_value_string_create_init("");
708 }
709
710 struct bt_value *bt_value_array_create(void)
711 {
712 struct bt_value_array *array_obj;
713
714 BT_LOGD_STR("Creating empty array value object.");
715 array_obj = g_new0(struct bt_value_array, 1);
716 if (!array_obj) {
717 BT_LOGE_STR("Failed to allocate one array object.");
718 goto end;
719 }
720
721 array_obj->base = bt_value_create_base(BT_VALUE_TYPE_ARRAY);
722 array_obj->garray = bt_g_ptr_array_new_full(0,
723 (GDestroyNotify) bt_object_put_ref);
724 if (!array_obj->garray) {
725 BT_LOGE_STR("Failed to allocate a GPtrArray.");
726 g_free(array_obj);
727 array_obj = NULL;
728 goto end;
729 }
730
731 BT_LOGD("Created array value object: addr=%p",
732 array_obj);
733
734 end:
735 return (void *) BT_VALUE_FROM_CONCRETE(array_obj);
736 }
737
738 struct bt_value *bt_value_map_create(void)
739 {
740 struct bt_value_map *map_obj;
741
742 BT_LOGD_STR("Creating empty map value object.");
743 map_obj = g_new0(struct bt_value_map, 1);
744 if (!map_obj) {
745 BT_LOGE_STR("Failed to allocate one map object.");
746 goto end;
747 }
748
749 map_obj->base = bt_value_create_base(BT_VALUE_TYPE_MAP);
750 map_obj->ght = g_hash_table_new_full(g_direct_hash, g_direct_equal,
751 NULL, (GDestroyNotify) bt_object_put_ref);
752 if (!map_obj->ght) {
753 BT_LOGE_STR("Failed to allocate a GHashTable.");
754 g_free(map_obj);
755 map_obj = NULL;
756 goto end;
757 }
758
759 BT_LOGD("Created map value object: addr=%p",
760 map_obj);
761
762 end:
763 return (void *) BT_VALUE_FROM_CONCRETE(map_obj);
764 }
765
766 bt_bool bt_value_bool_get(const struct bt_value *bool_obj)
767 {
768 BT_ASSERT_PRE_NON_NULL(bool_obj, "Value object");
769 BT_ASSERT_PRE_VALUE_IS_TYPE(bool_obj, BT_VALUE_TYPE_BOOL);
770 return BT_VALUE_TO_BOOL(bool_obj)->value;
771 }
772
773 void bt_value_bool_set(struct bt_value *bool_obj, bt_bool val)
774 {
775 BT_ASSERT_PRE_NON_NULL(bool_obj, "Value object");
776 BT_ASSERT_PRE_VALUE_IS_TYPE(bool_obj, BT_VALUE_TYPE_BOOL);
777 BT_ASSERT_PRE_VALUE_HOT(bool_obj, "Value object");
778 BT_VALUE_TO_BOOL(bool_obj)->value = val;
779 BT_LOGV("Set boolean value's raw value: value-addr=%p, value=%d",
780 bool_obj, val);
781 }
782
783 int64_t bt_value_integer_get(const struct bt_value *integer_obj)
784 {
785 BT_ASSERT_PRE_NON_NULL(integer_obj, "Value object");
786 BT_ASSERT_PRE_VALUE_IS_TYPE(integer_obj, BT_VALUE_TYPE_INTEGER);
787 return BT_VALUE_TO_INTEGER(integer_obj)->value;
788 }
789
790 void bt_value_integer_set(struct bt_value *integer_obj,
791 int64_t val)
792 {
793 BT_ASSERT_PRE_NON_NULL(integer_obj, "Value object");
794 BT_ASSERT_PRE_VALUE_IS_TYPE(integer_obj, BT_VALUE_TYPE_INTEGER);
795 BT_ASSERT_PRE_VALUE_HOT(integer_obj, "Value object");
796 BT_VALUE_TO_INTEGER(integer_obj)->value = val;
797 BT_LOGV("Set integer value's raw value: value-addr=%p, value=%" PRId64,
798 integer_obj, val);
799 }
800
801 double bt_value_real_get(const struct bt_value *real_obj)
802 {
803 BT_ASSERT_PRE_NON_NULL(real_obj, "Value object");
804 BT_ASSERT_PRE_VALUE_IS_TYPE(real_obj, BT_VALUE_TYPE_REAL);
805 return BT_VALUE_TO_REAL(real_obj)->value;
806 }
807
808 void bt_value_real_set(struct bt_value *real_obj, double val)
809 {
810 BT_ASSERT_PRE_NON_NULL(real_obj, "Value object");
811 BT_ASSERT_PRE_VALUE_IS_TYPE(real_obj, BT_VALUE_TYPE_REAL);
812 BT_ASSERT_PRE_VALUE_HOT(real_obj, "Value object");
813 BT_VALUE_TO_REAL(real_obj)->value = val;
814 BT_LOGV("Set real number value's raw value: value-addr=%p, value=%f",
815 real_obj, val);
816 }
817
818 const char *bt_value_string_get(const struct bt_value *string_obj)
819 {
820 BT_ASSERT_PRE_NON_NULL(string_obj, "Value object");
821 BT_ASSERT_PRE_VALUE_IS_TYPE(string_obj, BT_VALUE_TYPE_STRING);
822 return BT_VALUE_TO_STRING(string_obj)->gstr->str;
823 }
824
825 enum bt_value_status bt_value_string_set(
826 struct bt_value *string_obj, const char *val)
827 {
828 BT_ASSERT_PRE_NON_NULL(string_obj, "Value object");
829 BT_ASSERT_PRE_VALUE_IS_TYPE(string_obj, BT_VALUE_TYPE_STRING);
830 BT_ASSERT_PRE_VALUE_HOT(string_obj, "Value object");
831 g_string_assign(BT_VALUE_TO_STRING(string_obj)->gstr, val);
832 BT_LOGV("Set string value's raw value: value-addr=%p, raw-value-addr=%p",
833 string_obj, val);
834 return BT_VALUE_STATUS_OK;
835 }
836
837 uint64_t bt_value_array_get_size(const struct bt_value *array_obj)
838 {
839 BT_ASSERT_PRE_NON_NULL(array_obj, "Value object");
840 BT_ASSERT_PRE_VALUE_IS_TYPE(array_obj, BT_VALUE_TYPE_ARRAY);
841 return (uint64_t) BT_VALUE_TO_ARRAY(array_obj)->garray->len;
842 }
843
844 struct bt_value *bt_value_array_borrow_element_by_index(
845 struct bt_value *array_obj, uint64_t index)
846 {
847 struct bt_value_array *typed_array_obj =
848 BT_VALUE_TO_ARRAY(array_obj);
849
850 BT_ASSERT_PRE_NON_NULL(array_obj, "Value object");
851 BT_ASSERT_PRE_VALUE_IS_TYPE(array_obj, BT_VALUE_TYPE_ARRAY);
852 BT_ASSERT_PRE_VALUE_INDEX_IN_BOUNDS(index,
853 typed_array_obj->garray->len);
854 return g_ptr_array_index(typed_array_obj->garray, index);
855 }
856
857 const struct bt_value *bt_value_array_borrow_element_by_index_const(
858 const struct bt_value *array_obj,
859 uint64_t index)
860 {
861 return bt_value_array_borrow_element_by_index(
862 (void *) array_obj, index);
863 }
864
865 enum bt_value_status bt_value_array_append_element(
866 struct bt_value *array_obj,
867 struct bt_value *element_obj)
868 {
869 struct bt_value_array *typed_array_obj =
870 BT_VALUE_TO_ARRAY(array_obj);
871
872 BT_ASSERT_PRE_NON_NULL(array_obj, "Array value object");
873 BT_ASSERT_PRE_NON_NULL(element_obj, "Element value object");
874 BT_ASSERT_PRE_VALUE_IS_TYPE(array_obj, BT_VALUE_TYPE_ARRAY);
875 BT_ASSERT_PRE_VALUE_HOT(array_obj, "Array value object");
876 g_ptr_array_add(typed_array_obj->garray, element_obj);
877 bt_object_get_ref(element_obj);
878 BT_LOGV("Appended element to array value: array-value-addr=%p, "
879 "element-value-addr=%p, new-size=%u",
880 array_obj, element_obj, typed_array_obj->garray->len);
881 return BT_VALUE_STATUS_OK;
882 }
883
884 enum bt_value_status bt_value_array_append_bool_element(
885 struct bt_value *array_obj, bt_bool val)
886 {
887 enum bt_value_status ret;
888 struct bt_value *bool_obj = NULL;
889
890 bool_obj = bt_value_bool_create_init(val);
891 ret = bt_value_array_append_element(array_obj,
892 (void *) bool_obj);
893 bt_object_put_ref(bool_obj);
894 return ret;
895 }
896
897 enum bt_value_status bt_value_array_append_integer_element(
898 struct bt_value *array_obj, int64_t val)
899 {
900 enum bt_value_status ret;
901 struct bt_value *integer_obj = NULL;
902
903 integer_obj = bt_value_integer_create_init(val);
904 ret = bt_value_array_append_element(array_obj,
905 (void *) integer_obj);
906 bt_object_put_ref(integer_obj);
907 return ret;
908 }
909
910 enum bt_value_status bt_value_array_append_real_element(
911 struct bt_value *array_obj, double val)
912 {
913 enum bt_value_status ret;
914 struct bt_value *real_obj = NULL;
915
916 real_obj = bt_value_real_create_init(val);
917 ret = bt_value_array_append_element(array_obj,
918 (void *) real_obj);
919 bt_object_put_ref(real_obj);
920 return ret;
921 }
922
923 enum bt_value_status bt_value_array_append_string_element(
924 struct bt_value *array_obj, const char *val)
925 {
926 enum bt_value_status ret;
927 struct bt_value *string_obj = NULL;
928
929 string_obj = bt_value_string_create_init(val);
930 ret = bt_value_array_append_element(array_obj,
931 (void *) string_obj);
932 bt_object_put_ref(string_obj);
933 return ret;
934 }
935
936 enum bt_value_status bt_value_array_append_empty_array_element(
937 struct bt_value *array_obj)
938 {
939 enum bt_value_status ret;
940 struct bt_value *empty_array_obj = NULL;
941
942 empty_array_obj = bt_value_array_create();
943 ret = bt_value_array_append_element(array_obj,
944 (void *) empty_array_obj);
945 bt_object_put_ref(empty_array_obj);
946 return ret;
947 }
948
949 enum bt_value_status bt_value_array_append_empty_map_element(
950 struct bt_value *array_obj)
951 {
952 enum bt_value_status ret;
953 struct bt_value *map_obj = NULL;
954
955 map_obj = bt_value_map_create();
956 ret = bt_value_array_append_element(array_obj,
957 (void *) map_obj);
958 bt_object_put_ref(map_obj);
959 return ret;
960 }
961
962 enum bt_value_status bt_value_array_set_element_by_index(
963 struct bt_value *array_obj, uint64_t index,
964 struct bt_value *element_obj)
965 {
966 struct bt_value_array *typed_array_obj =
967 BT_VALUE_TO_ARRAY(array_obj);
968
969 BT_ASSERT_PRE_NON_NULL(array_obj, "Array value object");
970 BT_ASSERT_PRE_NON_NULL(element_obj, "Element value object");
971 BT_ASSERT_PRE_VALUE_IS_TYPE(array_obj, BT_VALUE_TYPE_ARRAY);
972 BT_ASSERT_PRE_VALUE_HOT(array_obj, "Array value object");
973 BT_ASSERT_PRE_VALUE_INDEX_IN_BOUNDS(index,
974 typed_array_obj->garray->len);
975 bt_object_put_ref(g_ptr_array_index(typed_array_obj->garray, index));
976 g_ptr_array_index(typed_array_obj->garray, index) = element_obj;
977 bt_object_get_ref(element_obj);
978 BT_LOGV("Set array value's element: array-value-addr=%p, "
979 "index=%" PRIu64 ", element-value-addr=%p",
980 array_obj, index, element_obj);
981 return BT_VALUE_STATUS_OK;
982 }
983
984 uint64_t bt_value_map_get_size(const struct bt_value *map_obj)
985 {
986 BT_ASSERT_PRE_NON_NULL(map_obj, "Value object");
987 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
988 return (uint64_t) g_hash_table_size(BT_VALUE_TO_MAP(map_obj)->ght);
989 }
990
991 struct bt_value *bt_value_map_borrow_entry_value(struct bt_value *map_obj,
992 const char *key)
993 {
994 BT_ASSERT_PRE_NON_NULL(map_obj, "Value object");
995 BT_ASSERT_PRE_NON_NULL(key, "Key");
996 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
997 return g_hash_table_lookup(BT_VALUE_TO_MAP(map_obj)->ght,
998 GUINT_TO_POINTER(g_quark_from_string(key)));
999 }
1000
1001 const struct bt_value *bt_value_map_borrow_entry_value_const(
1002 const struct bt_value *map_obj, const char *key)
1003 {
1004 return bt_value_map_borrow_entry_value((void *) map_obj, key);
1005 }
1006
1007 bt_bool bt_value_map_has_entry(const struct bt_value *map_obj, const char *key)
1008 {
1009 BT_ASSERT_PRE_NON_NULL(map_obj, "Value object");
1010 BT_ASSERT_PRE_NON_NULL(key, "Key");
1011 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
1012 return bt_g_hash_table_contains(BT_VALUE_TO_MAP(map_obj)->ght,
1013 GUINT_TO_POINTER(g_quark_from_string(key)));
1014 }
1015
1016 enum bt_value_status bt_value_map_insert_entry(
1017 struct bt_value *map_obj,
1018 const char *key, struct bt_value *element_obj)
1019 {
1020 BT_ASSERT_PRE_NON_NULL(map_obj, "Map value object");
1021 BT_ASSERT_PRE_NON_NULL(key, "Key");
1022 BT_ASSERT_PRE_NON_NULL(element_obj, "Element value object");
1023 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
1024 BT_ASSERT_PRE_VALUE_HOT(map_obj, "Map value object");
1025 g_hash_table_insert(BT_VALUE_TO_MAP(map_obj)->ght,
1026 GUINT_TO_POINTER(g_quark_from_string(key)), element_obj);
1027 bt_object_get_ref(element_obj);
1028 BT_LOGV("Inserted value into map value: map-value-addr=%p, "
1029 "key=\"%s\", element-value-addr=%p",
1030 map_obj, key, element_obj);
1031 return BT_VALUE_STATUS_OK;
1032 }
1033
1034 enum bt_value_status bt_value_map_insert_bool_entry(
1035 struct bt_value *map_obj, const char *key, bt_bool val)
1036 {
1037 enum bt_value_status ret;
1038 struct bt_value *bool_obj = NULL;
1039
1040 bool_obj = bt_value_bool_create_init(val);
1041 ret = bt_value_map_insert_entry(map_obj, key,
1042 (void *) bool_obj);
1043 bt_object_put_ref(bool_obj);
1044 return ret;
1045 }
1046
1047 enum bt_value_status bt_value_map_insert_integer_entry(
1048 struct bt_value *map_obj, const char *key, int64_t val)
1049 {
1050 enum bt_value_status ret;
1051 struct bt_value *integer_obj = NULL;
1052
1053 integer_obj = bt_value_integer_create_init(val);
1054 ret = bt_value_map_insert_entry(map_obj, key,
1055 (void *) integer_obj);
1056 bt_object_put_ref(integer_obj);
1057 return ret;
1058 }
1059
1060 enum bt_value_status bt_value_map_insert_real_entry(
1061 struct bt_value *map_obj, const char *key, double val)
1062 {
1063 enum bt_value_status ret;
1064 struct bt_value *real_obj = NULL;
1065
1066 real_obj = bt_value_real_create_init(val);
1067 ret = bt_value_map_insert_entry(map_obj, key,
1068 (void *) real_obj);
1069 bt_object_put_ref(real_obj);
1070 return ret;
1071 }
1072
1073 enum bt_value_status bt_value_map_insert_string_entry(
1074 struct bt_value *map_obj, const char *key,
1075 const char *val)
1076 {
1077 enum bt_value_status ret;
1078 struct bt_value *string_obj = NULL;
1079
1080 string_obj = bt_value_string_create_init(val);
1081 ret = bt_value_map_insert_entry(map_obj, key,
1082 (void *) string_obj);
1083 bt_object_put_ref(string_obj);
1084 return ret;
1085 }
1086
1087 enum bt_value_status bt_value_map_insert_empty_array_entry(
1088 struct bt_value *map_obj, const char *key)
1089 {
1090 enum bt_value_status ret;
1091 struct bt_value *array_obj = NULL;
1092
1093 array_obj = bt_value_array_create();
1094 ret = bt_value_map_insert_entry(map_obj, key,
1095 (void *) array_obj);
1096 bt_object_put_ref(array_obj);
1097 return ret;
1098 }
1099
1100 enum bt_value_status bt_value_map_insert_empty_map_entry(
1101 struct bt_value *map_obj, const char *key)
1102 {
1103 enum bt_value_status ret;
1104 struct bt_value *empty_map_obj = NULL;
1105
1106 empty_map_obj = bt_value_map_create();
1107 ret = bt_value_map_insert_entry(map_obj, key,
1108 (void *) empty_map_obj);
1109 bt_object_put_ref(empty_map_obj);
1110 return ret;
1111 }
1112
1113 enum bt_value_status bt_value_map_foreach_entry(struct bt_value *map_obj,
1114 bt_value_map_foreach_entry_func func, void *data)
1115 {
1116 enum bt_value_status ret = BT_VALUE_STATUS_OK;
1117 gpointer key, element_obj;
1118 GHashTableIter iter;
1119 struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj);
1120
1121 BT_ASSERT_PRE_NON_NULL(map_obj, "Value object");
1122 BT_ASSERT_PRE_NON_NULL(func, "Callback");
1123 BT_ASSERT_PRE_VALUE_IS_TYPE(map_obj, BT_VALUE_TYPE_MAP);
1124 g_hash_table_iter_init(&iter, typed_map_obj->ght);
1125
1126 while (g_hash_table_iter_next(&iter, &key, &element_obj)) {
1127 const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key));
1128
1129 if (!func(key_str, element_obj, data)) {
1130 BT_LOGV("User canceled the loop: key=\"%s\", "
1131 "value-addr=%p, data=%p",
1132 key_str, element_obj, data);
1133 ret = BT_VALUE_STATUS_CANCELED;
1134 break;
1135 }
1136 }
1137
1138 return ret;
1139 }
1140
1141 enum bt_value_status bt_value_map_foreach_entry_const(
1142 const struct bt_value *map_obj,
1143 bt_value_map_foreach_entry_const_func func, void *data)
1144 {
1145 return bt_value_map_foreach_entry((void *) map_obj,
1146 (bt_value_map_foreach_entry_func) func, data);
1147 }
1148
1149 struct extend_map_element_data {
1150 struct bt_value *extended_obj;
1151 enum bt_value_status status;
1152 };
1153
1154 static
1155 bt_bool extend_map_element(const char *key,
1156 const struct bt_value *extension_obj_elem, void *data)
1157 {
1158 bt_bool ret = BT_TRUE;
1159 struct extend_map_element_data *extend_data = data;
1160 struct bt_value *extension_obj_elem_copy = NULL;
1161
1162 /* Copy object which is to replace the current one */
1163 extend_data->status = bt_value_copy(extension_obj_elem,
1164 &extension_obj_elem_copy);
1165 if (extend_data->status) {
1166 BT_LOGE("Cannot copy map element: addr=%p",
1167 extension_obj_elem);
1168 goto error;
1169 }
1170
1171 BT_ASSERT(extension_obj_elem_copy);
1172
1173 /* Replace in extended object */
1174 extend_data->status = bt_value_map_insert_entry(
1175 extend_data->extended_obj, key,
1176 (void *) extension_obj_elem_copy);
1177 if (extend_data->status) {
1178 BT_LOGE("Cannot replace value in extended value: key=\"%s\", "
1179 "extended-value-addr=%p, element-value-addr=%p",
1180 key, extend_data->extended_obj,
1181 extension_obj_elem_copy);
1182 goto error;
1183 }
1184
1185 goto end;
1186
1187 error:
1188 BT_ASSERT(extend_data->status != BT_VALUE_STATUS_OK);
1189 ret = BT_FALSE;
1190
1191 end:
1192 BT_OBJECT_PUT_REF_AND_RESET(extension_obj_elem_copy);
1193 return ret;
1194 }
1195
1196 enum bt_value_status bt_value_map_extend(
1197 const struct bt_value *base_map_obj,
1198 const struct bt_value *extension_obj,
1199 struct bt_value **extended_map_obj)
1200 {
1201 struct extend_map_element_data extend_data = {
1202 .extended_obj = NULL,
1203 .status = BT_VALUE_STATUS_OK,
1204 };
1205
1206 BT_ASSERT_PRE_NON_NULL(base_map_obj, "Base value object");
1207 BT_ASSERT_PRE_NON_NULL(extension_obj, "Extension value object");
1208 BT_ASSERT_PRE_NON_NULL(extended_map_obj,
1209 "Extended value object (output)");
1210 BT_ASSERT_PRE_VALUE_IS_TYPE(base_map_obj, BT_VALUE_TYPE_MAP);
1211 BT_ASSERT_PRE_VALUE_IS_TYPE(extension_obj, BT_VALUE_TYPE_MAP);
1212 BT_LOGD("Extending map value: base-value-addr=%p, extension-value-addr=%p",
1213 base_map_obj, extension_obj);
1214 *extended_map_obj = NULL;
1215
1216 /* Create copy of base map object to start with */
1217 extend_data.status = bt_value_copy(base_map_obj, extended_map_obj);
1218 if (extend_data.status) {
1219 BT_LOGE("Cannot copy base value: base-value-addr=%p",
1220 base_map_obj);
1221 goto error;
1222 }
1223
1224 BT_ASSERT(extended_map_obj);
1225
1226 /*
1227 * For each key in the extension map object, replace this key
1228 * in the copied map object.
1229 */
1230 extend_data.extended_obj = *extended_map_obj;
1231
1232 if (bt_value_map_foreach_entry_const(extension_obj, extend_map_element,
1233 &extend_data)) {
1234 BT_LOGE("Cannot iterate on the extension object's elements: "
1235 "extension-value-addr=%p", extension_obj);
1236 goto error;
1237 }
1238
1239 if (extend_data.status) {
1240 BT_LOGE("Failed to successfully iterate on the extension object's elements: "
1241 "extension-value-addr=%p", extension_obj);
1242 goto error;
1243 }
1244
1245 BT_LOGD("Extended map value: extended-value-addr=%p",
1246 *extended_map_obj);
1247 goto end;
1248
1249 error:
1250 BT_OBJECT_PUT_REF_AND_RESET(*extended_map_obj);
1251 *extended_map_obj = NULL;
1252
1253 end:
1254 return extend_data.status;
1255 }
1256
1257 enum bt_value_status bt_value_copy(const struct bt_value *object,
1258 struct bt_value **copy_obj)
1259 {
1260 enum bt_value_status status = BT_VALUE_STATUS_OK;
1261
1262 BT_ASSERT_PRE_NON_NULL(object, "Value object");
1263 BT_ASSERT_PRE_NON_NULL(copy_obj, "Value object copy (output)");
1264 BT_LOGD("Copying value object: addr=%p", object);
1265 *copy_obj = copy_funcs[object->type](object);
1266 if (*copy_obj) {
1267 BT_LOGD("Copied value object: copy-value-addr=%p",
1268 copy_obj);
1269 } else {
1270 status = BT_VALUE_STATUS_NOMEM;
1271 *copy_obj = NULL;
1272 BT_LOGE_STR("Failed to copy value object.");
1273 }
1274
1275 return status;
1276 }
1277
1278 bt_bool bt_value_compare(const struct bt_value *object_a,
1279 const struct bt_value *object_b)
1280 {
1281 bt_bool ret = BT_FALSE;
1282
1283 BT_ASSERT_PRE_NON_NULL(object_a, "Value object A");
1284 BT_ASSERT_PRE_NON_NULL(object_b, "Value object B");
1285
1286 if (object_a->type != object_b->type) {
1287 BT_LOGV("Values are different: type mismatch: "
1288 "value-a-addr=%p, value-b-addr=%p, "
1289 "value-a-type=%s, value-b-type=%s",
1290 object_a, object_b,
1291 bt_common_value_type_string(object_a->type),
1292 bt_common_value_type_string(object_b->type));
1293 goto end;
1294 }
1295
1296 ret = compare_funcs[object_a->type](object_a, object_b);
1297
1298 end:
1299 return ret;
1300 }
1301
1302 void bt_value_get_ref(const struct bt_value *value)
1303 {
1304 bt_object_get_ref(value);
1305 }
1306
1307 void bt_value_put_ref(const struct bt_value *value)
1308 {
1309 bt_object_put_ref(value);
1310 }
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