[babeltrace.git] / src / ctf-writer / attributes.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
 * Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com>
 *
 * Babeltrace CTF writer - Attributes
 */

#define BT_LOG_TAG "CTF-WRITER/ATTRS"
#include "logging.h"

#include "attributes.h"

#include "common/assert.h"
#include "common/macros.h"
#include "compat/string.h"
#include <babeltrace2-ctf-writer/object.h>
#include <inttypes.h>

#include "values.h"

#define BT_CTF_ATTR_NAME_INDEX		0
#define BT_CTF_ATTR_VALUE_INDEX		1

BT_HIDDEN
struct bt_ctf_private_value *bt_ctf_attributes_create(void)
{
	struct bt_ctf_private_value *attr_obj;

	/*
	 * Attributes: array value object of array value objects, each one
	 * containing two entries: a string value object (attributes
	 * field name), and a value object (attributes field value).
	 *
	 * Example (JSON representation):
	 *
	 *     [
	 *         ["hostname", "eeppdesk"],
	 *         ["sysname", "Linux"],
	 *         ["tracer_major", 2],
	 *         ["tracer_minor", 5]
	 *     ]
	 */
	BT_LOGD_STR("Creating attributes object.");
	attr_obj = bt_ctf_private_value_array_create();
	if (!attr_obj) {
		BT_LOGE_STR("Failed to create array value.");
	} else {
		BT_LOGD("Created attributes object: addr=%p",
			attr_obj);
	}

	return attr_obj;
}

BT_HIDDEN
void bt_ctf_attributes_destroy(struct bt_ctf_private_value *attr_obj)
{
	BT_LOGD("Destroying attributes object: addr=%p", attr_obj);
	bt_ctf_object_put_ref(attr_obj);
}

BT_HIDDEN
int64_t bt_ctf_attributes_get_count(struct bt_ctf_private_value *attr_obj)
{
	return bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
}

BT_HIDDEN
const char *bt_ctf_attributes_get_field_name(struct bt_ctf_private_value *attr_obj,
		uint64_t index)
{
	const char *ret = NULL;
	struct bt_ctf_private_value *attr_field_obj = NULL;
	struct bt_ctf_private_value *attr_field_name_obj = NULL;

	if (!attr_obj) {
		BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
		goto end;
	}

	if (index >= bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj))) {
		BT_LOGW("Invalid parameter: index is out of bounds: "
			"index=%" PRIu64 ", count=%" PRId64,
			index, bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj)));
		goto end;
	}

	attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index(
		attr_obj, index);
	if (!attr_field_obj) {
		BT_LOGE("Cannot get attributes object's array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_obj, index);
		goto end;
	}

	attr_field_name_obj =
		bt_ctf_private_value_array_borrow_element_by_index(
			attr_field_obj, BT_CTF_ATTR_NAME_INDEX);
	if (!attr_field_name_obj) {
		BT_LOGE("Cannot get attribute array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_field_obj,
			(uint64_t) BT_CTF_ATTR_NAME_INDEX);
		goto end;
	}

	ret = bt_ctf_value_string_get(
		bt_ctf_private_value_as_value(attr_field_name_obj));

end:
	return ret;
}

BT_HIDDEN
struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_value(struct bt_ctf_private_value *attr_obj,
		uint64_t index)
{
	struct bt_ctf_private_value *value_obj = NULL;
	struct bt_ctf_private_value *attr_field_obj = NULL;

	if (!attr_obj) {
		BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
		goto end;
	}

	if (index >= bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj))) {
		BT_LOGW("Invalid parameter: index is out of bounds: "
			"index=%" PRIu64 ", count=%" PRId64,
			index, bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj)));
		goto end;
	}

	attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index(
		attr_obj, index);
	if (!attr_field_obj) {
		BT_LOGE("Cannot get attributes object's array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_obj, index);
		goto end;
	}

	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj,
		BT_CTF_ATTR_VALUE_INDEX);
	if (!value_obj) {
		BT_LOGE("Cannot get attribute array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_field_obj,
			(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	}

end:
	return value_obj;
}

static
struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_by_name(
		struct bt_ctf_private_value *attr_obj, const char *name)
{
	uint64_t i;
	int64_t attr_size;
	struct bt_ctf_private_value *value_obj = NULL;
	struct bt_ctf_private_value *attr_field_name_obj = NULL;

	attr_size = bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
	if (attr_size < 0) {
		BT_LOGE("Cannot get array value's size: value-addr=%p",
			attr_obj);
		goto error;
	}

	for (i = 0; i < attr_size; ++i) {
		const char *field_name;

		value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_obj, i);
		if (!value_obj) {
			BT_LOGE("Cannot get attributes object's array value's element by index: "
				"value-addr=%p, index=%" PRIu64, attr_obj, i);
			goto error;
		}

		attr_field_name_obj = bt_ctf_private_value_array_borrow_element_by_index(value_obj,
			BT_CTF_ATTR_NAME_INDEX);
		if (!attr_field_name_obj) {
			BT_LOGE("Cannot get attribute array value's element by index: "
				"value-addr=%p, index=%" PRIu64,
				value_obj, (int64_t) BT_CTF_ATTR_NAME_INDEX);
			goto error;
		}

		field_name = bt_ctf_value_string_get(
			bt_ctf_private_value_as_value(attr_field_name_obj));

		if (strcmp(field_name, name) == 0) {
			break;
		}

		value_obj = NULL;
	}

	return value_obj;

error:
	value_obj = NULL;
	return value_obj;
}

BT_HIDDEN
int bt_ctf_attributes_set_field_value(struct bt_ctf_private_value *attr_obj,
		const char *name, struct bt_ctf_private_value *value_obj)
{
	int ret = 0;
	struct bt_ctf_private_value *attr_field_obj = NULL;

	if (!attr_obj || !name || !value_obj) {
		BT_LOGW("Invalid parameter: attributes object, name, or value object is NULL: "
			"attr-value-addr=%p, name-addr=%p, value-addr=%p",
			attr_obj, name, value_obj);
		ret = -1;
		goto end;
	}

	attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name);
	if (attr_field_obj) {
		ret = bt_ctf_private_value_array_set_element_by_index(
			attr_field_obj, BT_CTF_ATTR_VALUE_INDEX,
			bt_ctf_private_value_as_value(value_obj));
		attr_field_obj = NULL;
		goto end;
	}

	attr_field_obj = bt_ctf_private_value_array_create();
	if (!attr_field_obj) {
		BT_LOGE_STR("Failed to create empty array value.");
		ret = -1;
		goto end;
	}

	ret = bt_ctf_private_value_array_append_string_element(attr_field_obj, name);
	ret |= bt_ctf_private_value_array_append_element(attr_field_obj,
		bt_ctf_private_value_as_value(value_obj));
	if (ret) {
		BT_LOGE("Cannot append elements to array value: addr=%p",
			attr_field_obj);
		goto end;
	}

	ret = bt_ctf_private_value_array_append_element(attr_obj,
		bt_ctf_private_value_as_value(attr_field_obj));
	if (ret) {
		BT_LOGE("Cannot append element to array value: "
			"array-value-addr=%p, element-value-addr=%p",
			attr_obj, attr_field_obj);
	}

end:
	bt_ctf_object_put_ref(attr_field_obj);
	return ret;
}

BT_HIDDEN
struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_value_by_name(
		struct bt_ctf_private_value *attr_obj, const char *name)
{
	struct bt_ctf_private_value *value_obj = NULL;
	struct bt_ctf_private_value *attr_field_obj = NULL;

	if (!attr_obj || !name) {
		BT_LOGW("Invalid parameter: attributes object or name is NULL: "
			"value-addr=%p, name-addr=%p", attr_obj, name);
		goto end;
	}

	attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name);
	if (!attr_field_obj) {
		BT_LOGD("Cannot find attributes object's field by name: "
			"value-addr=%p, name=\"%s\"", attr_obj, name);
		goto end;
	}

	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj,
		BT_CTF_ATTR_VALUE_INDEX);
	if (!value_obj) {
		BT_LOGE("Cannot get attribute array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_field_obj,
			(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	}

end:
	return value_obj;
}

BT_HIDDEN
int bt_ctf_attributes_freeze(struct bt_ctf_private_value *attr_obj)
{
	uint64_t i;
	int64_t count;
	int ret = 0;

	if (!attr_obj) {
		BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
		ret = -1;
		goto end;
	}

	BT_LOGD("Freezing attributes object: value-addr=%p", attr_obj);
	count = bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
	BT_ASSERT_DBG(count >= 0);

	/*
	 * We do not freeze the array value object itself here, since
	 * internal stuff could need to modify/add attributes. Each
	 * attribute is frozen one by one.
	 */
	for (i = 0; i < count; ++i) {
		struct bt_ctf_private_value *obj = NULL;

		obj = bt_ctf_attributes_borrow_field_value(attr_obj, i);
		if (!obj) {
			BT_LOGE("Cannot get attributes object's field value by index: "
				"value-addr=%p, index=%" PRIu64,
				attr_obj, i);
			ret = -1;
			goto end;
		}

		bt_ctf_value_freeze(bt_ctf_private_value_as_value(obj));
	}

end:
	return ret;
}
Commit	Line	Data
16ca5ff0	1	/*
0235b0db	2	* SPDX-License-Identifier: MIT
16ca5ff0 PP	3	*
	4	* Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
	5	* Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com>
	6	*
0235b0db	7	* Babeltrace CTF writer - Attributes
16ca5ff0 PP	8	*/
16ca5ff0 PP	9
350ad6c1	10	#define BT_LOG_TAG "CTF-WRITER/ATTRS"
67d2ce02	11	#include "logging.h"
16ca5ff0	12
7c7301d5 SM	13	#include "attributes.h"
7c7301d5 SM	14
578e048b	15	#include "common/assert.h"
91d81473	16	#include "common/macros.h"
578e048b	17	#include "compat/string.h"
217cf9d3	18	#include <babeltrace2-ctf-writer/object.h>
16ca5ff0 PP	19	#include <inttypes.h>
16ca5ff0 PP	20
578e048b MJ	21	#include "values.h"
578e048b MJ	22
16ca5ff0 PP	23	#define BT_CTF_ATTR_NAME_INDEX 0
	24	#define BT_CTF_ATTR_VALUE_INDEX 1
	25
	26	BT_HIDDEN
e1e02a22	27	struct bt_ctf_private_value *bt_ctf_attributes_create(void)
16ca5ff0	28	{
e1e02a22	29	struct bt_ctf_private_value *attr_obj;
16ca5ff0 PP	30
	31	/*
	32	* Attributes: array value object of array value objects, each one
	33	* containing two entries: a string value object (attributes
	34	* field name), and a value object (attributes field value).
	35	*
	36	* Example (JSON representation):
	37	*
	38	* [
	39	* ["hostname", "eeppdesk"],
	40	* ["sysname", "Linux"],
	41	* ["tracer_major", 2],
	42	* ["tracer_minor", 5]
	43	* ]
	44	*/
	45	BT_LOGD_STR("Creating attributes object.");
e1e02a22	46	attr_obj = bt_ctf_private_value_array_create();
16ca5ff0 PP	47	if (!attr_obj) {
	48	BT_LOGE_STR("Failed to create array value.");
	49	} else {
	50	BT_LOGD("Created attributes object: addr=%p",
	51	attr_obj);
	52	}
	53
	54	return attr_obj;
	55	}
	56
	57	BT_HIDDEN
e1e02a22	58	void bt_ctf_attributes_destroy(struct bt_ctf_private_value *attr_obj)
16ca5ff0 PP	59	{
16ca5ff0 PP	60	BT_LOGD("Destroying attributes object: addr=%p", attr_obj);
e1e02a22	61	bt_ctf_object_put_ref(attr_obj);
16ca5ff0 PP	62	}
	63
	64	BT_HIDDEN
e1e02a22	65	int64_t bt_ctf_attributes_get_count(struct bt_ctf_private_value *attr_obj)
16ca5ff0	66	{
393729a6	67	return bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
16ca5ff0 PP	68	}
	69
	70	BT_HIDDEN
e1e02a22	71	const char bt_ctf_attributes_get_field_name(struct bt_ctf_private_value attr_obj,
16ca5ff0 PP	72	uint64_t index)
16ca5ff0 PP	73	{
16ca5ff0	74	const char *ret = NULL;
e1e02a22 PP	75	struct bt_ctf_private_value *attr_field_obj = NULL;
e1e02a22 PP	76	struct bt_ctf_private_value *attr_field_name_obj = NULL;
16ca5ff0 PP	77
	78	if (!attr_obj) {
	79	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
	80	goto end;
	81	}
	82
393729a6	83	if (index >= bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj))) {
16ca5ff0 PP	84	BT_LOGW("Invalid parameter: index is out of bounds: "
16ca5ff0 PP	85	"index=%" PRIu64 ", count=%" PRId64,
393729a6	86	index, bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj)));
16ca5ff0 PP	87	goto end;
	88	}
	89
e1e02a22	90	attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index(
da91b29a	91	attr_obj, index);
16ca5ff0 PP	92	if (!attr_field_obj) {
	93	BT_LOGE("Cannot get attributes object's array value's element by index: "
	94	"value-addr=%p, index=%" PRIu64, attr_obj, index);
	95	goto end;
	96	}
	97
da91b29a	98	attr_field_name_obj =
e1e02a22	99	bt_ctf_private_value_array_borrow_element_by_index(
da91b29a	100	attr_field_obj, BT_CTF_ATTR_NAME_INDEX);
16ca5ff0 PP	101	if (!attr_field_name_obj) {
	102	BT_LOGE("Cannot get attribute array value's element by index: "
	103	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	104	(uint64_t) BT_CTF_ATTR_NAME_INDEX);
	105	goto end;
	106	}
	107
e1e02a22 PP	108	ret = bt_ctf_value_string_get(
e1e02a22 PP	109	bt_ctf_private_value_as_value(attr_field_name_obj));
16ca5ff0 PP	110
	111	end:
	112	return ret;
	113	}
	114
	115	BT_HIDDEN
e1e02a22	116	struct bt_ctf_private_value bt_ctf_attributes_borrow_field_value(struct bt_ctf_private_value attr_obj,
16ca5ff0 PP	117	uint64_t index)
16ca5ff0 PP	118	{
e1e02a22 PP	119	struct bt_ctf_private_value *value_obj = NULL;
e1e02a22 PP	120	struct bt_ctf_private_value *attr_field_obj = NULL;
16ca5ff0 PP	121
	122	if (!attr_obj) {
	123	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
	124	goto end;
	125	}
	126
393729a6	127	if (index >= bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj))) {
16ca5ff0 PP	128	BT_LOGW("Invalid parameter: index is out of bounds: "
16ca5ff0 PP	129	"index=%" PRIu64 ", count=%" PRId64,
393729a6	130	index, bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj)));
16ca5ff0 PP	131	goto end;
	132	}
	133
e1e02a22	134	attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index(
da91b29a	135	attr_obj, index);
16ca5ff0 PP	136	if (!attr_field_obj) {
	137	BT_LOGE("Cannot get attributes object's array value's element by index: "
	138	"value-addr=%p, index=%" PRIu64, attr_obj, index);
	139	goto end;
	140	}
	141
e1e02a22	142	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj,
16ca5ff0 PP	143	BT_CTF_ATTR_VALUE_INDEX);
	144	if (!value_obj) {
	145	BT_LOGE("Cannot get attribute array value's element by index: "
	146	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	147	(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	148	}
	149
	150	end:
	151	return value_obj;
	152	}
	153
	154	static
e1e02a22 PP	155	struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_by_name(
e1e02a22 PP	156	struct bt_ctf_private_value attr_obj, const char name)
16ca5ff0 PP	157	{
	158	uint64_t i;
	159	int64_t attr_size;
e1e02a22 PP	160	struct bt_ctf_private_value *value_obj = NULL;
e1e02a22 PP	161	struct bt_ctf_private_value *attr_field_name_obj = NULL;
16ca5ff0	162
393729a6	163	attr_size = bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
16ca5ff0 PP	164	if (attr_size < 0) {
	165	BT_LOGE("Cannot get array value's size: value-addr=%p",
	166	attr_obj);
	167	goto error;
	168	}
	169
	170	for (i = 0; i < attr_size; ++i) {
16ca5ff0 PP	171	const char *field_name;
16ca5ff0 PP	172
e1e02a22	173	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_obj, i);
16ca5ff0 PP	174	if (!value_obj) {
	175	BT_LOGE("Cannot get attributes object's array value's element by index: "
	176	"value-addr=%p, index=%" PRIu64, attr_obj, i);
	177	goto error;
	178	}
	179
e1e02a22	180	attr_field_name_obj = bt_ctf_private_value_array_borrow_element_by_index(value_obj,
16ca5ff0 PP	181	BT_CTF_ATTR_NAME_INDEX);
	182	if (!attr_field_name_obj) {
	183	BT_LOGE("Cannot get attribute array value's element by index: "
	184	"value-addr=%p, index=%" PRIu64,
	185	value_obj, (int64_t) BT_CTF_ATTR_NAME_INDEX);
	186	goto error;
	187	}
	188
e1e02a22 PP	189	field_name = bt_ctf_value_string_get(
e1e02a22 PP	190	bt_ctf_private_value_as_value(attr_field_name_obj));
16ca5ff0	191
2242b43d	192	if (strcmp(field_name, name) == 0) {
16ca5ff0 PP	193	break;
	194	}
	195
	196	value_obj = NULL;
	197	}
	198
	199	return value_obj;
	200
	201	error:
	202	value_obj = NULL;
	203	return value_obj;
	204	}
	205
	206	BT_HIDDEN
e1e02a22 PP	207	int bt_ctf_attributes_set_field_value(struct bt_ctf_private_value *attr_obj,
e1e02a22 PP	208	const char name, struct bt_ctf_private_value value_obj)
16ca5ff0 PP	209	{
16ca5ff0 PP	210	int ret = 0;
e1e02a22	211	struct bt_ctf_private_value *attr_field_obj = NULL;
16ca5ff0 PP	212
	213	if (!attr_obj \|\| !name \|\| !value_obj) {
	214	BT_LOGW("Invalid parameter: attributes object, name, or value object is NULL: "
	215	"attr-value-addr=%p, name-addr=%p, value-addr=%p",
	216	attr_obj, name, value_obj);
	217	ret = -1;
	218	goto end;
	219	}
	220
	221	attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name);
	222	if (attr_field_obj) {
e1e02a22	223	ret = bt_ctf_private_value_array_set_element_by_index(
da91b29a	224	attr_field_obj, BT_CTF_ATTR_VALUE_INDEX,
e1e02a22	225	bt_ctf_private_value_as_value(value_obj));
16ca5ff0 PP	226	attr_field_obj = NULL;
	227	goto end;
	228	}
	229
e1e02a22	230	attr_field_obj = bt_ctf_private_value_array_create();
16ca5ff0 PP	231	if (!attr_field_obj) {
	232	BT_LOGE_STR("Failed to create empty array value.");
	233	ret = -1;
	234	goto end;
	235	}
	236
e1e02a22 PP	237	ret = bt_ctf_private_value_array_append_string_element(attr_field_obj, name);
	238	ret \|= bt_ctf_private_value_array_append_element(attr_field_obj,
	239	bt_ctf_private_value_as_value(value_obj));
16ca5ff0 PP	240	if (ret) {
	241	BT_LOGE("Cannot append elements to array value: addr=%p",
	242	attr_field_obj);
	243	goto end;
	244	}
	245
e1e02a22 PP	246	ret = bt_ctf_private_value_array_append_element(attr_obj,
e1e02a22 PP	247	bt_ctf_private_value_as_value(attr_field_obj));
16ca5ff0 PP	248	if (ret) {
	249	BT_LOGE("Cannot append element to array value: "
	250	"array-value-addr=%p, element-value-addr=%p",
	251	attr_obj, attr_field_obj);
	252	}
	253
	254	end:
e1e02a22	255	bt_ctf_object_put_ref(attr_field_obj);
16ca5ff0 PP	256	return ret;
	257	}
	258
	259	BT_HIDDEN
e1e02a22 PP	260	struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_value_by_name(
e1e02a22 PP	261	struct bt_ctf_private_value attr_obj, const char name)
16ca5ff0	262	{
e1e02a22 PP	263	struct bt_ctf_private_value *value_obj = NULL;
e1e02a22 PP	264	struct bt_ctf_private_value *attr_field_obj = NULL;
16ca5ff0 PP	265
	266	if (!attr_obj \|\| !name) {
	267	BT_LOGW("Invalid parameter: attributes object or name is NULL: "
	268	"value-addr=%p, name-addr=%p", attr_obj, name);
	269	goto end;
	270	}
	271
	272	attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name);
	273	if (!attr_field_obj) {
	274	BT_LOGD("Cannot find attributes object's field by name: "
	275	"value-addr=%p, name=\"%s\"", attr_obj, name);
	276	goto end;
	277	}
	278
e1e02a22	279	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj,
16ca5ff0 PP	280	BT_CTF_ATTR_VALUE_INDEX);
	281	if (!value_obj) {
	282	BT_LOGE("Cannot get attribute array value's element by index: "
	283	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	284	(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	285	}
	286
	287	end:
	288	return value_obj;
	289	}
	290
	291	BT_HIDDEN
e1e02a22	292	int bt_ctf_attributes_freeze(struct bt_ctf_private_value *attr_obj)
16ca5ff0 PP	293	{
	294	uint64_t i;
	295	int64_t count;
	296	int ret = 0;
	297
	298	if (!attr_obj) {
	299	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
	300	ret = -1;
	301	goto end;
	302	}
	303
	304	BT_LOGD("Freezing attributes object: value-addr=%p", attr_obj);
393729a6	305	count = bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
98b15851	306	BT_ASSERT_DBG(count >= 0);
16ca5ff0 PP	307
	308	/*
	309	* We do not freeze the array value object itself here, since
	310	* internal stuff could need to modify/add attributes. Each
	311	* attribute is frozen one by one.
	312	*/
	313	for (i = 0; i < count; ++i) {
e1e02a22	314	struct bt_ctf_private_value *obj = NULL;
16ca5ff0 PP	315
	316	obj = bt_ctf_attributes_borrow_field_value(attr_obj, i);
	317	if (!obj) {
	318	BT_LOGE("Cannot get attributes object's field value by index: "
	319	"value-addr=%p, index=%" PRIu64,
	320	attr_obj, i);
	321	ret = -1;
	322	goto end;
	323	}
	324
e1e02a22	325	bt_ctf_value_freeze(bt_ctf_private_value_as_value(obj));
16ca5ff0 PP	326	}
	327
	328	end:
	329	return ret;
	330	}