+++ /dev/null
-/*
- * fields.c
- *
- * Babeltrace CTF IR - Event Fields
- *
- * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <babeltrace/ctf-ir/fields-internal.h>
-#include <babeltrace/ctf-ir/field-types-internal.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/ref.h>
-#include <babeltrace/compiler.h>
-#include <babeltrace/compat/fcntl.h>
-
-#define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT)
-
-static
-struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *);
-static
-struct bt_ctf_field *bt_ctf_field_enumeration_create(
- struct bt_ctf_field_type *);
-static
-struct bt_ctf_field *bt_ctf_field_floating_point_create(
- struct bt_ctf_field_type *);
-static
-struct bt_ctf_field *bt_ctf_field_structure_create(
- struct bt_ctf_field_type *);
-static
-struct bt_ctf_field *bt_ctf_field_variant_create(
- struct bt_ctf_field_type *);
-static
-struct bt_ctf_field *bt_ctf_field_array_create(
- struct bt_ctf_field_type *);
-static
-struct bt_ctf_field *bt_ctf_field_sequence_create(
- struct bt_ctf_field_type *);
-static
-struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *);
-
-static
-void bt_ctf_field_destroy(struct bt_object *);
-static
-void bt_ctf_field_integer_destroy(struct bt_ctf_field *);
-static
-void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *);
-static
-void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *);
-static
-void bt_ctf_field_structure_destroy(struct bt_ctf_field *);
-static
-void bt_ctf_field_variant_destroy(struct bt_ctf_field *);
-static
-void bt_ctf_field_array_destroy(struct bt_ctf_field *);
-static
-void bt_ctf_field_sequence_destroy(struct bt_ctf_field *);
-static
-void bt_ctf_field_string_destroy(struct bt_ctf_field *);
-
-static
-int bt_ctf_field_generic_validate(struct bt_ctf_field *);
-static
-int bt_ctf_field_structure_validate(struct bt_ctf_field *);
-static
-int bt_ctf_field_variant_validate(struct bt_ctf_field *);
-static
-int bt_ctf_field_enumeration_validate(struct bt_ctf_field *);
-static
-int bt_ctf_field_array_validate(struct bt_ctf_field *);
-static
-int bt_ctf_field_sequence_validate(struct bt_ctf_field *);
-
-static
-int bt_ctf_field_generic_reset(struct bt_ctf_field *);
-static
-int bt_ctf_field_structure_reset(struct bt_ctf_field *);
-static
-int bt_ctf_field_variant_reset(struct bt_ctf_field *);
-static
-int bt_ctf_field_enumeration_reset(struct bt_ctf_field *);
-static
-int bt_ctf_field_array_reset(struct bt_ctf_field *);
-static
-int bt_ctf_field_sequence_reset(struct bt_ctf_field *);
-static
-int bt_ctf_field_string_reset(struct bt_ctf_field *);
-
-static
-int bt_ctf_field_integer_serialize(struct bt_ctf_field *,
- struct ctf_stream_pos *);
-static
-int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *,
- struct ctf_stream_pos *);
-static
-int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *,
- struct ctf_stream_pos *);
-static
-int bt_ctf_field_structure_serialize(struct bt_ctf_field *,
- struct ctf_stream_pos *);
-static
-int bt_ctf_field_variant_serialize(struct bt_ctf_field *,
- struct ctf_stream_pos *);
-static
-int bt_ctf_field_array_serialize(struct bt_ctf_field *,
- struct ctf_stream_pos *);
-static
-int bt_ctf_field_sequence_serialize(struct bt_ctf_field *,
- struct ctf_stream_pos *);
-static
-int bt_ctf_field_string_serialize(struct bt_ctf_field *,
- struct ctf_stream_pos *);
-
-static
-int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *);
-static
-int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *);
-static
-int bt_ctf_field_floating_point_copy(struct bt_ctf_field *,
- struct bt_ctf_field *);
-static
-int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *);
-static
-int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *);
-static
-int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *);
-static
-int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *);
-static
-int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *);
-
-static
-void generic_field_freeze(struct bt_ctf_field *);
-static
-void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *);
-static
-void bt_ctf_field_structure_freeze(struct bt_ctf_field *);
-static
-void bt_ctf_field_variant_freeze(struct bt_ctf_field *);
-static
-void bt_ctf_field_array_freeze(struct bt_ctf_field *);
-static
-void bt_ctf_field_sequence_freeze(struct bt_ctf_field *);
-
-static
-bool bt_ctf_field_generic_is_set(struct bt_ctf_field *);
-static
-bool bt_ctf_field_structure_is_set(struct bt_ctf_field *);
-static
-bool bt_ctf_field_variant_is_set(struct bt_ctf_field *);
-static
-bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *);
-static
-bool bt_ctf_field_array_is_set(struct bt_ctf_field *);
-static
-bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *);
-
-static
-int increase_packet_size(struct ctf_stream_pos *pos);
-
-static
-struct bt_ctf_field *(* const field_create_funcs[])(
- struct bt_ctf_field_type *) = {
- [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_create,
- [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_create,
- [BT_CTF_TYPE_ID_FLOAT] =
- bt_ctf_field_floating_point_create,
- [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_create,
- [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_create,
- [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_create,
- [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_create,
- [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_create,
-};
-
-static
-void (* const field_destroy_funcs[])(struct bt_ctf_field *) = {
- [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_destroy,
- [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_destroy,
- [BT_CTF_TYPE_ID_FLOAT] =
- bt_ctf_field_floating_point_destroy,
- [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_destroy,
- [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_destroy,
- [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_destroy,
- [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_destroy,
- [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_destroy,
-};
-
-static
-int (* const field_validate_funcs[])(struct bt_ctf_field *) = {
- [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_validate,
- [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_validate,
- [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_validate,
- [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_validate,
- [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_validate,
- [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_validate,
- [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_validate,
- [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_validate,
-};
-
-static
-int (* const field_reset_funcs[])(struct bt_ctf_field *) = {
- [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_reset,
- [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_reset,
- [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_reset,
- [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_reset,
- [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_reset,
- [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_reset,
- [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_reset,
- [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_reset,
-};
-
-static
-int (* const field_serialize_funcs[])(struct bt_ctf_field *,
- struct ctf_stream_pos *) = {
- [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_serialize,
- [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_serialize,
- [BT_CTF_TYPE_ID_FLOAT] =
- bt_ctf_field_floating_point_serialize,
- [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_serialize,
- [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_serialize,
- [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_serialize,
- [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_serialize,
- [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_serialize,
-};
-
-static
-int (* const field_copy_funcs[])(struct bt_ctf_field *,
- struct bt_ctf_field *) = {
- [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_integer_copy,
- [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_copy,
- [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_floating_point_copy,
- [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_copy,
- [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_copy,
- [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_copy,
- [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_copy,
- [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_string_copy,
-};
-
-static
-void (* const field_freeze_funcs[])(struct bt_ctf_field *) = {
- [BT_CTF_TYPE_ID_INTEGER] = generic_field_freeze,
- [BT_CTF_TYPE_ID_FLOAT] = generic_field_freeze,
- [BT_CTF_TYPE_ID_STRING] = generic_field_freeze,
- [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_freeze,
- [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_freeze,
- [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_freeze,
- [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_freeze,
- [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_freeze,
-};
-
-static
-bool (* const field_is_set_funcs[])(struct bt_ctf_field *) = {
- [BT_CTF_TYPE_ID_INTEGER] = bt_ctf_field_generic_is_set,
- [BT_CTF_TYPE_ID_ENUM] = bt_ctf_field_enumeration_is_set,
- [BT_CTF_TYPE_ID_FLOAT] = bt_ctf_field_generic_is_set,
- [BT_CTF_TYPE_ID_STRUCT] = bt_ctf_field_structure_is_set,
- [BT_CTF_TYPE_ID_VARIANT] = bt_ctf_field_variant_is_set,
- [BT_CTF_TYPE_ID_ARRAY] = bt_ctf_field_array_is_set,
- [BT_CTF_TYPE_ID_SEQUENCE] = bt_ctf_field_sequence_is_set,
- [BT_CTF_TYPE_ID_STRING] = bt_ctf_field_generic_is_set,
-};
-
-struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field *field = NULL;
- enum bt_ctf_type_id type_id;
- int ret;
-
- if (!type) {
- goto error;
- }
-
- type_id = bt_ctf_field_type_get_type_id(type);
- if (type_id <= BT_CTF_TYPE_ID_UNKNOWN ||
- type_id >= BT_CTF_NR_TYPE_IDS) {
- goto error;
- }
-
- /* Field class MUST be valid */
- ret = bt_ctf_field_type_validate(type);
-
- if (ret) {
- /* Invalid */
- goto error;
- }
-
- field = field_create_funcs[type_id](type);
- if (!field) {
- goto error;
- }
-
- /* The type's declaration can't change after this point */
- bt_ctf_field_type_freeze(type);
- bt_get(type);
- bt_object_init(field, bt_ctf_field_destroy);
- field->type = type;
-error:
- return field;
-}
-
-void bt_ctf_field_get(struct bt_ctf_field *field)
-{
- bt_get(field);
-}
-
-void bt_ctf_field_put(struct bt_ctf_field *field)
-{
- bt_put(field);
-}
-
-struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_type *ret = NULL;
-
- if (!field) {
- goto end;
- }
-
- ret = field->type;
- bt_get(ret);
-end:
- return ret;
-}
-
-enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field)
-{
- enum bt_ctf_type_id ret = BT_CTF_TYPE_ID_UNKNOWN;
-
- if (!field) {
- goto end;
- }
-
- ret = bt_ctf_field_type_get_type_id(field->type);
-end:
- return ret;
-}
-
-int bt_ctf_field_is_integer(struct bt_ctf_field *field)
-{
- return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_INTEGER;
-}
-
-int bt_ctf_field_is_floating_point(struct bt_ctf_field *field)
-{
- return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_FLOAT;
-}
-
-int bt_ctf_field_is_enumeration(struct bt_ctf_field *field)
-{
- return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ENUM;
-}
-
-int bt_ctf_field_is_string(struct bt_ctf_field *field)
-{
- return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRING;
-}
-
-int bt_ctf_field_is_structure(struct bt_ctf_field *field)
-{
- return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_STRUCT;
-}
-
-int bt_ctf_field_is_array(struct bt_ctf_field *field)
-{
- return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_ARRAY;
-}
-
-int bt_ctf_field_is_sequence(struct bt_ctf_field *field)
-{
- return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_SEQUENCE;
-}
-
-int bt_ctf_field_is_variant(struct bt_ctf_field *field)
-{
- return bt_ctf_field_get_type_id(field) == BT_CTF_TYPE_ID_VARIANT;
-}
-
-struct bt_ctf_field *bt_ctf_field_sequence_get_length(
- struct bt_ctf_field *field)
-{
- struct bt_ctf_field *ret = NULL;
- struct bt_ctf_field_sequence *sequence;
-
- if (!field) {
- goto end;
- }
-
- if (bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_SEQUENCE) {
- goto end;
- }
-
- sequence = container_of(field, struct bt_ctf_field_sequence, parent);
- ret = sequence->length;
- bt_get(ret);
-end:
- return ret;
-}
-
-int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field,
- struct bt_ctf_field *length_field)
-{
- int ret = 0;
- struct bt_ctf_field_type_integer *length_type;
- struct bt_ctf_field_integer *length;
- struct bt_ctf_field_sequence *sequence;
- uint64_t sequence_length;
-
- if (!field || !length_field || field->frozen) {
- ret = -1;
- goto end;
- }
- if (bt_ctf_field_type_get_type_id(length_field->type) !=
- BT_CTF_TYPE_ID_INTEGER) {
- ret = -1;
- goto end;
- }
-
- length_type = container_of(length_field->type,
- struct bt_ctf_field_type_integer, parent);
- /* The length field must be unsigned */
- if (length_type->declaration.signedness) {
- ret = -1;
- goto end;
- }
-
- length = container_of(length_field, struct bt_ctf_field_integer,
- parent);
- sequence_length = length->definition.value._unsigned;
- sequence = container_of(field, struct bt_ctf_field_sequence, parent);
- if (sequence->elements) {
- g_ptr_array_free(sequence->elements, TRUE);
- bt_put(sequence->length);
- }
-
- sequence->elements = g_ptr_array_sized_new((size_t)sequence_length);
- if (!sequence->elements) {
- ret = -1;
- goto end;
- }
-
- g_ptr_array_set_free_func(sequence->elements,
- (GDestroyNotify) bt_put);
- g_ptr_array_set_size(sequence->elements, (size_t) sequence_length);
- bt_get(length_field);
- sequence->length = length_field;
-end:
- return ret;
-}
-
-struct bt_ctf_field *bt_ctf_field_structure_get_field(
- struct bt_ctf_field *field, const char *name)
-{
- struct bt_ctf_field *new_field = NULL;
- GQuark field_quark;
- struct bt_ctf_field_structure *structure;
- struct bt_ctf_field_type *field_type = NULL;
- size_t index;
-
- if (!field || !name ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_STRUCT) {
- goto error;
- }
-
- field_quark = g_quark_from_string(name);
- structure = container_of(field, struct bt_ctf_field_structure, parent);
- field_type =
- bt_ctf_field_type_structure_get_field_type_by_name(field->type,
- name);
- if (!g_hash_table_lookup_extended(structure->field_name_to_index,
- GUINT_TO_POINTER(field_quark), NULL, (gpointer *)&index)) {
- goto error;
- }
-
- if (structure->fields->pdata[index]) {
- new_field = structure->fields->pdata[index];
- goto end;
- }
-
- /* We don't want to modify this field if it's frozen */
- if (field->frozen) {
- goto end;
- }
-
- new_field = bt_ctf_field_create(field_type);
- if (!new_field) {
- goto error;
- }
-
- structure->fields->pdata[index] = new_field;
-end:
- bt_get(new_field);
-error:
- if (field_type) {
- bt_put(field_type);
- }
- return new_field;
-}
-
-struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index(
- struct bt_ctf_field *field, int index)
-{
- int ret;
- const char *field_name;
- struct bt_ctf_field_structure *structure;
- struct bt_ctf_field_type *structure_type;
- struct bt_ctf_field_type *field_type = NULL;
- struct bt_ctf_field *ret_field = NULL;
-
- if (!field ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_STRUCT) {
- goto end;
- }
-
- structure = container_of(field, struct bt_ctf_field_structure, parent);
- if (index >= structure->fields->len) {
- goto error;
- }
-
- ret_field = structure->fields->pdata[index];
- if (ret_field) {
- goto end;
- }
-
- /* We don't want to modify this field if it's frozen */
- if (field->frozen) {
- goto end;
- }
-
- /* Field has not been instanciated yet, create it */
- structure_type = bt_ctf_field_get_type(field);
- if (!structure_type) {
- goto error;
- }
-
- ret = bt_ctf_field_type_structure_get_field(structure_type,
- &field_name, &field_type, index);
- bt_put(structure_type);
- if (ret) {
- goto error;
- }
-
- ret_field = bt_ctf_field_create(field_type);
- if (!ret_field) {
- goto error;
- }
-
- structure->fields->pdata[index] = ret_field;
-end:
- bt_get(ret_field);
-error:
- bt_put(field_type);
- return ret_field;
-}
-
-BT_HIDDEN
-int bt_ctf_field_structure_set_field(struct bt_ctf_field *field,
- const char *name, struct bt_ctf_field *value)
-{
- int ret = 0;
- GQuark field_quark;
- struct bt_ctf_field_structure *structure;
- struct bt_ctf_field_type *expected_field_type = NULL;
- size_t index;
-
- if (!field || !name || !value || field->frozen ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_STRUCT) {
- ret = -1;
- goto end;
- }
-
- field_quark = g_quark_from_string(name);
- structure = container_of(field, struct bt_ctf_field_structure, parent);
- expected_field_type =
- bt_ctf_field_type_structure_get_field_type_by_name(field->type,
- name);
-
- if (bt_ctf_field_type_compare(expected_field_type, value->type)) {
- ret = -1;
- goto end;
- }
-
- if (!g_hash_table_lookup_extended(structure->field_name_to_index,
- GUINT_TO_POINTER(field_quark), NULL, (gpointer *) &index)) {
- goto end;
- }
-
- if (structure->fields->pdata[index]) {
- bt_put(structure->fields->pdata[index]);
- }
-
- structure->fields->pdata[index] = value;
- bt_get(value);
-end:
- if (expected_field_type) {
- bt_put(expected_field_type);
- }
- return ret;
-}
-
-struct bt_ctf_field *bt_ctf_field_array_get_field(struct bt_ctf_field *field,
- uint64_t index)
-{
- struct bt_ctf_field *new_field = NULL;
- struct bt_ctf_field_type *field_type = NULL;
- struct bt_ctf_field_array *array;
-
- if (!field || bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_ARRAY) {
- goto end;
- }
-
- array = container_of(field, struct bt_ctf_field_array, parent);
- if (index >= array->elements->len) {
- goto end;
- }
-
- field_type = bt_ctf_field_type_array_get_element_type(field->type);
- if (array->elements->pdata[(size_t)index]) {
- new_field = array->elements->pdata[(size_t)index];
- goto end;
- }
-
- /* We don't want to modify this field if it's frozen */
- if (field->frozen) {
- goto end;
- }
-
- new_field = bt_ctf_field_create(field_type);
- array->elements->pdata[(size_t)index] = new_field;
-end:
- if (field_type) {
- bt_put(field_type);
- }
- if (new_field) {
- bt_get(new_field);
- }
- return new_field;
-}
-
-struct bt_ctf_field *bt_ctf_field_sequence_get_field(struct bt_ctf_field *field,
- uint64_t index)
-{
- struct bt_ctf_field *new_field = NULL;
- struct bt_ctf_field_type *field_type = NULL;
- struct bt_ctf_field_sequence *sequence;
-
- if (!field || bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_SEQUENCE) {
- goto end;
- }
-
- sequence = container_of(field, struct bt_ctf_field_sequence, parent);
- if (!sequence->elements || sequence->elements->len <= index) {
- goto end;
- }
-
- field_type = bt_ctf_field_type_sequence_get_element_type(field->type);
- if (sequence->elements->pdata[(size_t) index]) {
- new_field = sequence->elements->pdata[(size_t) index];
- goto end;
- }
-
- /* We don't want to modify this field if it's frozen */
- if (field->frozen) {
- goto end;
- }
-
- new_field = bt_ctf_field_create(field_type);
- sequence->elements->pdata[(size_t) index] = new_field;
-end:
- if (field_type) {
- bt_put(field_type);
- }
- if (new_field) {
- bt_get(new_field);
- }
- return new_field;
-}
-
-struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field,
- struct bt_ctf_field *tag_field)
-{
- struct bt_ctf_field *new_field = NULL;
- struct bt_ctf_field_variant *variant;
- struct bt_ctf_field_type_variant *variant_type;
- struct bt_ctf_field_type *field_type;
- struct bt_ctf_field *tag_enum = NULL;
- struct bt_ctf_field_integer *tag_enum_integer;
- int64_t tag_enum_value;
-
- if (!field || !tag_field ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_VARIANT ||
- bt_ctf_field_type_get_type_id(tag_field->type) !=
- BT_CTF_TYPE_ID_ENUM) {
- goto end;
- }
-
- variant = container_of(field, struct bt_ctf_field_variant, parent);
- variant_type = container_of(field->type,
- struct bt_ctf_field_type_variant, parent);
- tag_enum = bt_ctf_field_enumeration_get_container(tag_field);
- if (!tag_enum) {
- goto end;
- }
-
- tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer,
- parent);
-
- if (bt_ctf_field_validate(tag_field) < 0) {
- goto end;
- }
-
- tag_enum_value = tag_enum_integer->definition.value._signed;
-
- /*
- * If the variant currently has a tag and a payload, and if the
- * requested tag value is the same as the current one, return
- * the current payload instead of creating a fresh one.
- */
- if (variant->tag && variant->payload) {
- struct bt_ctf_field *cur_tag_container = NULL;
- struct bt_ctf_field_integer *cur_tag_enum_integer;
- int64_t cur_tag_value;
-
- cur_tag_container =
- bt_ctf_field_enumeration_get_container(variant->tag);
- assert(cur_tag_container);
- cur_tag_enum_integer = container_of(cur_tag_container,
- struct bt_ctf_field_integer, parent);
- bt_put(cur_tag_container);
- cur_tag_value = cur_tag_enum_integer->definition.value._signed;
-
- if (cur_tag_value == tag_enum_value) {
- new_field = variant->payload;
- bt_get(new_field);
- goto end;
- }
- }
-
- /* We don't want to modify this field if it's frozen */
- if (field->frozen) {
- goto end;
- }
-
- field_type = bt_ctf_field_type_variant_get_field_type_signed(
- variant_type, tag_enum_value);
- if (!field_type) {
- goto end;
- }
-
- new_field = bt_ctf_field_create(field_type);
- if (!new_field) {
- goto end;
- }
-
- bt_put(variant->tag);
- bt_put(variant->payload);
- bt_get(new_field);
- bt_get(tag_field);
- variant->tag = tag_field;
- variant->payload = new_field;
-end:
- bt_put(tag_enum);
- return new_field;
-}
-
-struct bt_ctf_field *bt_ctf_field_variant_get_current_field(
- struct bt_ctf_field *variant_field)
-{
- struct bt_ctf_field *current_field = NULL;
- struct bt_ctf_field_variant *variant;
-
- if (!variant_field ||
- bt_ctf_field_type_get_type_id(variant_field->type) !=
- BT_CTF_TYPE_ID_VARIANT) {
- goto end;
- }
-
- variant = container_of(variant_field, struct bt_ctf_field_variant,
- parent);
-
- if (variant->payload) {
- current_field = variant->payload;
- bt_get(current_field);
- goto end;
- }
-
-end:
- return current_field;
-}
-
-struct bt_ctf_field *bt_ctf_field_variant_get_tag(
- struct bt_ctf_field *variant_field)
-{
- struct bt_ctf_field *tag = NULL;
- struct bt_ctf_field_variant *variant;
-
- if (!variant_field ||
- bt_ctf_field_type_get_type_id(variant_field->type) !=
- BT_CTF_TYPE_ID_VARIANT) {
- goto end;
- }
-
- variant = container_of(variant_field, struct bt_ctf_field_variant,
- parent);
- if (variant->tag) {
- tag = bt_get(variant->tag);
- }
-end:
- return tag;
-}
-
-struct bt_ctf_field *bt_ctf_field_enumeration_get_container(
- struct bt_ctf_field *field)
-{
- struct bt_ctf_field *container = NULL;
- struct bt_ctf_field_enumeration *enumeration;
-
- if (!field || bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_ENUM) {
- goto end;
- }
-
- enumeration = container_of(field, struct bt_ctf_field_enumeration,
- parent);
- if (!enumeration->payload) {
- /* We don't want to modify this field if it's frozen */
- if (field->frozen) {
- goto end;
- }
-
- struct bt_ctf_field_type_enumeration *enumeration_type =
- container_of(field->type,
- struct bt_ctf_field_type_enumeration, parent);
- enumeration->payload =
- bt_ctf_field_create(enumeration_type->container);
- }
-
- container = enumeration->payload;
- bt_get(container);
-end:
- return container;
-}
-
-struct bt_ctf_field_type_enumeration_mapping_iterator *
-bt_ctf_field_enumeration_get_mappings(struct bt_ctf_field *field)
-{
- int ret;
- struct bt_ctf_field *container = NULL;
- struct bt_ctf_field_type *container_type = NULL;
- struct bt_ctf_field_type_integer *integer_type = NULL;
- struct bt_ctf_field_type_enumeration_mapping_iterator *iter = NULL;
-
- container = bt_ctf_field_enumeration_get_container(field);
- if (!container) {
- goto end;
- }
-
- container_type = bt_ctf_field_get_type(container);
- if (!container_type) {
- goto error_put_container;
- }
-
- integer_type = container_of(container_type,
- struct bt_ctf_field_type_integer, parent);
-
- if (!integer_type->declaration.signedness) {
- uint64_t value;
-
- ret = bt_ctf_field_unsigned_integer_get_value(container,
- &value);
- if (ret) {
- goto error_put_container_type;
- }
- iter = bt_ctf_field_type_enumeration_find_mappings_by_unsigned_value(
- field->type, value);
- } else {
- int64_t value;
-
- ret = bt_ctf_field_signed_integer_get_value(container,
- &value);
- if (ret) {
- goto error_put_container_type;
- }
- iter = bt_ctf_field_type_enumeration_find_mappings_by_signed_value(
- field->type, value);
- }
-
-error_put_container_type:
- bt_put(container_type);
-error_put_container:
- bt_put(container);
-end:
- return iter;
-}
-
-int bt_ctf_field_signed_integer_get_value(struct bt_ctf_field *field,
- int64_t *value)
-{
- int ret = 0;
- struct bt_ctf_field_integer *integer;
- struct bt_ctf_field_type_integer *integer_type;
-
- if (!field || !value || !field->payload_set ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_INTEGER) {
- ret = -1;
- goto end;
- }
-
- integer_type = container_of(field->type,
- struct bt_ctf_field_type_integer, parent);
- if (!integer_type->declaration.signedness) {
- ret = -1;
- goto end;
- }
-
- integer = container_of(field,
- struct bt_ctf_field_integer, parent);
- *value = integer->definition.value._signed;
-end:
- return ret;
-}
-
-int bt_ctf_field_signed_integer_set_value(struct bt_ctf_field *field,
- int64_t value)
-{
- int ret = 0;
- struct bt_ctf_field_integer *integer;
- struct bt_ctf_field_type_integer *integer_type;
- unsigned int size;
- int64_t min_value, max_value;
-
- if (!field || field->frozen ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_INTEGER) {
- ret = -1;
- goto end;
- }
-
- integer = container_of(field, struct bt_ctf_field_integer, parent);
- integer_type = container_of(field->type,
- struct bt_ctf_field_type_integer, parent);
- if (!integer_type->declaration.signedness) {
- ret = -1;
- goto end;
- }
-
- size = integer_type->declaration.len;
- min_value = -(1ULL << (size - 1));
- max_value = (1ULL << (size - 1)) - 1;
- if (value < min_value || value > max_value) {
- ret = -1;
- goto end;
- }
-
- integer->definition.value._signed = value;
- integer->parent.payload_set = 1;
-end:
- return ret;
-}
-
-int bt_ctf_field_unsigned_integer_get_value(struct bt_ctf_field *field,
- uint64_t *value)
-{
- int ret = 0;
- struct bt_ctf_field_integer *integer;
- struct bt_ctf_field_type_integer *integer_type;
-
- if (!field || !value || !field->payload_set ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_INTEGER) {
- ret = -1;
- goto end;
- }
-
- integer_type = container_of(field->type,
- struct bt_ctf_field_type_integer, parent);
- if (integer_type->declaration.signedness) {
- ret = -1;
- goto end;
- }
-
- integer = container_of(field,
- struct bt_ctf_field_integer, parent);
- *value = integer->definition.value._unsigned;
-end:
- return ret;
-}
-
-int bt_ctf_field_unsigned_integer_set_value(struct bt_ctf_field *field,
- uint64_t value)
-{
- int ret = 0;
- struct bt_ctf_field_integer *integer;
- struct bt_ctf_field_type_integer *integer_type;
- unsigned int size;
- uint64_t max_value;
-
- if (!field || field->frozen ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_INTEGER) {
- ret = -1;
- goto end;
- }
-
- integer = container_of(field, struct bt_ctf_field_integer, parent);
- integer_type = container_of(field->type,
- struct bt_ctf_field_type_integer, parent);
- if (integer_type->declaration.signedness) {
- ret = -1;
- goto end;
- }
-
- size = integer_type->declaration.len;
- max_value = (size == 64) ? UINT64_MAX : ((uint64_t) 1 << size) - 1;
- if (value > max_value) {
- ret = -1;
- goto end;
- }
-
- integer->definition.value._unsigned = value;
- integer->parent.payload_set = 1;
-end:
- return ret;
-}
-
-int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field,
- double *value)
-{
- int ret = 0;
- struct bt_ctf_field_floating_point *floating_point;
-
- if (!field || !value || !field->payload_set ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_FLOAT) {
- ret = -1;
- goto end;
- }
-
- floating_point = container_of(field,
- struct bt_ctf_field_floating_point, parent);
- *value = floating_point->definition.value;
-end:
- return ret;
-}
-
-int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field,
- double value)
-{
- int ret = 0;
- struct bt_ctf_field_floating_point *floating_point;
-
- if (!field || field->frozen ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_FLOAT) {
- ret = -1;
- goto end;
- }
- floating_point = container_of(field, struct bt_ctf_field_floating_point,
- parent);
- floating_point->definition.value = value;
- floating_point->parent.payload_set = 1;
-end:
- return ret;
-}
-
-const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field)
-{
- const char *ret = NULL;
- struct bt_ctf_field_string *string;
-
- if (!field || !field->payload_set ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_STRING) {
- goto end;
- }
-
- string = container_of(field,
- struct bt_ctf_field_string, parent);
- ret = string->payload->str;
-end:
- return ret;
-}
-
-int bt_ctf_field_string_set_value(struct bt_ctf_field *field,
- const char *value)
-{
- int ret = 0;
- struct bt_ctf_field_string *string;
-
- if (!field || !value || field->frozen ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_STRING) {
- ret = -1;
- goto end;
- }
-
- string = container_of(field, struct bt_ctf_field_string, parent);
- if (string->payload) {
- g_string_assign(string->payload, value);
- } else {
- string->payload = g_string_new(value);
- }
-
- string->parent.payload_set = 1;
-end:
- return ret;
-}
-
-int bt_ctf_field_string_append(struct bt_ctf_field *field,
- const char *value)
-{
- int ret = 0;
- struct bt_ctf_field_string *string_field;
-
- if (!field || !value || field->frozen ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_STRING) {
- ret = -1;
- goto end;
- }
-
- string_field = container_of(field, struct bt_ctf_field_string, parent);
-
- if (string_field->payload) {
- g_string_append(string_field->payload, value);
- } else {
- string_field->payload = g_string_new(value);
- }
-
- string_field->parent.payload_set = 1;
-
-end:
- return ret;
-}
-
-int bt_ctf_field_string_append_len(struct bt_ctf_field *field,
- const char *value, unsigned int length)
-{
- int i;
- int ret = 0;
- unsigned int effective_length = length;
- struct bt_ctf_field_string *string_field;
-
- if (!field || !value || field->frozen ||
- bt_ctf_field_type_get_type_id(field->type) !=
- BT_CTF_TYPE_ID_STRING) {
- ret = -1;
- goto end;
- }
-
- string_field = container_of(field, struct bt_ctf_field_string, parent);
-
- /* make sure no null bytes are appended */
- for (i = 0; i < length; ++i) {
- if (value[i] == '\0') {
- effective_length = i;
- break;
- }
- }
-
- if (string_field->payload) {
- g_string_append_len(string_field->payload, value,
- effective_length);
- } else {
- string_field->payload = g_string_new_len(value,
- effective_length);
- }
-
- string_field->parent.payload_set = 1;
-
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_field_validate(struct bt_ctf_field *field)
-{
- int ret = 0;
- enum bt_ctf_type_id type_id;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- type_id = bt_ctf_field_type_get_type_id(field->type);
- if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) {
- ret = -1;
- goto end;
- }
-
- ret = field_validate_funcs[type_id](field);
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_field_reset(struct bt_ctf_field *field)
-{
- int ret = 0;
- enum bt_ctf_type_id type_id;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- type_id = bt_ctf_field_type_get_type_id(field->type);
- if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) {
- ret = -1;
- goto end;
- }
-
- ret = field_reset_funcs[type_id](field);
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_ctf_field_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- int ret = 0;
- enum bt_ctf_type_id type_id;
-
- if (!field || !pos) {
- ret = -1;
- goto end;
- }
-
- type_id = bt_ctf_field_type_get_type_id(field->type);
- if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) {
- ret = -1;
- goto end;
- }
-
- ret = field_serialize_funcs[type_id](field, pos);
-end:
- return ret;
-}
-
-
-BT_HIDDEN
-bool bt_ctf_field_is_set(struct bt_ctf_field *field)
-{
- bool is_set = false;
- enum bt_ctf_type_id type_id;
-
- if (!field) {
- goto end;
- }
-
- type_id = bt_ctf_field_type_get_type_id(field->type);
- if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) {
- goto end;
- }
-
- is_set = field_is_set_funcs[type_id](field);
-end:
- return is_set;
-}
-
-struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field)
-{
- int ret;
- struct bt_ctf_field *copy = NULL;
- enum bt_ctf_type_id type_id;
-
- if (!field) {
- goto end;
- }
-
- type_id = bt_ctf_field_type_get_type_id(field->type);
- if (type_id <= BT_CTF_TYPE_ID_UNKNOWN || type_id >= BT_CTF_NR_TYPE_IDS) {
- goto end;
- }
-
- copy = bt_ctf_field_create(field->type);
- if (!copy) {
- goto end;
- }
-
- copy->payload_set = field->payload_set;
- ret = field_copy_funcs[type_id](field, copy);
- if (ret) {
- bt_put(copy);
- copy = NULL;
- }
-end:
- return copy;
-}
-
-static
-struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field_type_integer *integer_type = container_of(type,
- struct bt_ctf_field_type_integer, parent);
- struct bt_ctf_field_integer *integer = g_new0(
- struct bt_ctf_field_integer, 1);
-
- if (integer) {
- integer->definition.declaration = &integer_type->declaration;
- }
-
- return integer ? &integer->parent : NULL;
-}
-
-static
-struct bt_ctf_field *bt_ctf_field_enumeration_create(
- struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field_enumeration *enumeration = g_new0(
- struct bt_ctf_field_enumeration, 1);
-
- return enumeration ? &enumeration->parent : NULL;
-}
-
-static
-struct bt_ctf_field *bt_ctf_field_floating_point_create(
- struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field_floating_point *floating_point;
- struct bt_ctf_field_type_floating_point *floating_point_type;
-
- floating_point = g_new0(struct bt_ctf_field_floating_point, 1);
- if (!floating_point) {
- goto end;
- }
-
- floating_point_type = container_of(type,
- struct bt_ctf_field_type_floating_point, parent);
- floating_point->definition.declaration = container_of(
- type->declaration, struct declaration_float, p);
-
-
- floating_point->definition.sign = &floating_point->sign;
- floating_point->sign.declaration = &floating_point_type->sign;
- floating_point->definition.sign->p.declaration =
- &floating_point_type->sign.p;
-
- floating_point->definition.mantissa = &floating_point->mantissa;
- floating_point->mantissa.declaration = &floating_point_type->mantissa;
- floating_point->definition.mantissa->p.declaration =
- &floating_point_type->mantissa.p;
-
- floating_point->definition.exp = &floating_point->exp;
- floating_point->exp.declaration = &floating_point_type->exp;
- floating_point->definition.exp->p.declaration =
- &floating_point_type->exp.p;
-
-end:
- return floating_point ? &floating_point->parent : NULL;
-}
-
-static
-struct bt_ctf_field *bt_ctf_field_structure_create(
- struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field_type_structure *structure_type = container_of(type,
- struct bt_ctf_field_type_structure, parent);
- struct bt_ctf_field_structure *structure = g_new0(
- struct bt_ctf_field_structure, 1);
- struct bt_ctf_field *field = NULL;
-
- if (!structure) {
- goto end;
- }
-
- structure->field_name_to_index = structure_type->field_name_to_index;
- structure->fields = g_ptr_array_new_with_free_func(
- (GDestroyNotify)bt_ctf_field_put);
- g_ptr_array_set_size(structure->fields,
- g_hash_table_size(structure->field_name_to_index));
- field = &structure->parent;
-end:
- return field;
-}
-
-static
-struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field_variant *variant = g_new0(
- struct bt_ctf_field_variant, 1);
- return variant ? &variant->parent : NULL;
-}
-
-static
-struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field_array *array = g_new0(struct bt_ctf_field_array, 1);
- struct bt_ctf_field_type_array *array_type;
- unsigned int array_length;
-
- if (!array || !type) {
- goto error;
- }
-
- array_type = container_of(type, struct bt_ctf_field_type_array, parent);
- array_length = array_type->length;
- array->elements = g_ptr_array_sized_new(array_length);
- if (!array->elements) {
- goto error;
- }
-
- g_ptr_array_set_free_func(array->elements,
- (GDestroyNotify)bt_ctf_field_put);
- g_ptr_array_set_size(array->elements, array_length);
- return &array->parent;
-error:
- g_free(array);
- return NULL;
-}
-
-static
-struct bt_ctf_field *bt_ctf_field_sequence_create(
- struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field_sequence *sequence = g_new0(
- struct bt_ctf_field_sequence, 1);
- return sequence ? &sequence->parent : NULL;
-}
-
-static
-struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type)
-{
- struct bt_ctf_field_string *string = g_new0(
- struct bt_ctf_field_string, 1);
- return string ? &string->parent : NULL;
-}
-
-static
-void bt_ctf_field_destroy(struct bt_object *obj)
-{
- struct bt_ctf_field *field;
- struct bt_ctf_field_type *type;
- enum bt_ctf_type_id type_id;
-
- field = container_of(obj, struct bt_ctf_field, base);
- type = field->type;
- type_id = bt_ctf_field_type_get_type_id(type);
- if (type_id <= BT_CTF_TYPE_ID_UNKNOWN ||
- type_id >= BT_CTF_NR_TYPE_IDS) {
- return;
- }
-
- field_destroy_funcs[type_id](field);
- bt_put(type);
-}
-
-static
-void bt_ctf_field_integer_destroy(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_integer *integer;
-
- if (!field) {
- return;
- }
-
- integer = container_of(field, struct bt_ctf_field_integer, parent);
- g_free(integer);
-}
-
-static
-void bt_ctf_field_enumeration_destroy(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_enumeration *enumeration;
-
- if (!field) {
- return;
- }
-
- enumeration = container_of(field, struct bt_ctf_field_enumeration,
- parent);
- bt_put(enumeration->payload);
- g_free(enumeration);
-}
-
-static
-void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_floating_point *floating_point;
-
- if (!field) {
- return;
- }
-
- floating_point = container_of(field, struct bt_ctf_field_floating_point,
- parent);
- g_free(floating_point);
-}
-
-static
-void bt_ctf_field_structure_destroy(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_structure *structure;
-
- if (!field) {
- return;
- }
-
- structure = container_of(field, struct bt_ctf_field_structure, parent);
- g_ptr_array_free(structure->fields, TRUE);
- g_free(structure);
-}
-
-static
-void bt_ctf_field_variant_destroy(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_variant *variant;
-
- if (!field) {
- return;
- }
-
- variant = container_of(field, struct bt_ctf_field_variant, parent);
- bt_put(variant->tag);
- bt_put(variant->payload);
- g_free(variant);
-}
-
-static
-void bt_ctf_field_array_destroy(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_array *array;
-
- if (!field) {
- return;
- }
-
- array = container_of(field, struct bt_ctf_field_array, parent);
- g_ptr_array_free(array->elements, TRUE);
- g_free(array);
-}
-
-static
-void bt_ctf_field_sequence_destroy(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_sequence *sequence;
-
- if (!field) {
- return;
- }
-
- sequence = container_of(field, struct bt_ctf_field_sequence, parent);
- if (sequence->elements) {
- g_ptr_array_free(sequence->elements, TRUE);
- }
- bt_put(sequence->length);
- g_free(sequence);
-}
-
-static
-void bt_ctf_field_string_destroy(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_string *string;
- if (!field) {
- return;
- }
-
- string = container_of(field, struct bt_ctf_field_string, parent);
- if (string->payload) {
- g_string_free(string->payload, TRUE);
- }
- g_free(string);
-}
-
-static
-int bt_ctf_field_generic_validate(struct bt_ctf_field *field)
-{
- return (field && field->payload_set) ? 0 : -1;
-}
-
-static
-int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field)
-{
- int ret;
- struct bt_ctf_field_enumeration *enumeration;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- enumeration = container_of(field, struct bt_ctf_field_enumeration,
- parent);
- if (!enumeration->payload) {
- ret = -1;
- goto end;
- }
-
- ret = bt_ctf_field_validate(enumeration->payload);
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_structure_validate(struct bt_ctf_field *field)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_structure *structure;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- structure = container_of(field, struct bt_ctf_field_structure, parent);
- for (i = 0; i < structure->fields->len; i++) {
- ret = bt_ctf_field_validate(structure->fields->pdata[i]);
- if (ret) {
- const char *name;
- struct bt_ctf_field_type *field_type =
- bt_ctf_field_get_type(field);
-
- (void) bt_ctf_field_type_structure_get_field(field_type,
- &name, NULL, i);
- fprintf(stderr, "Field %s failed validation\n",
- name ? name : "NULL");
- bt_put(field_type);
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_variant_validate(struct bt_ctf_field *field)
-{
- int ret = 0;
- struct bt_ctf_field_variant *variant;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- variant = container_of(field, struct bt_ctf_field_variant, parent);
- ret = bt_ctf_field_validate(variant->payload);
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_array_validate(struct bt_ctf_field *field)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_array *array;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- array = container_of(field, struct bt_ctf_field_array, parent);
- for (i = 0; i < array->elements->len; i++) {
- ret = bt_ctf_field_validate(array->elements->pdata[i]);
- if (ret) {
- fprintf(stderr, "Failed to validate array field #%zu\n", i);
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_sequence_validate(struct bt_ctf_field *field)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_sequence *sequence;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- sequence = container_of(field, struct bt_ctf_field_sequence, parent);
- for (i = 0; i < sequence->elements->len; i++) {
- ret = bt_ctf_field_validate(sequence->elements->pdata[i]);
- if (ret) {
- fprintf(stderr, "Failed to validate sequence field #%zu\n", i);
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_generic_reset(struct bt_ctf_field *field)
-{
- int ret = 0;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- field->payload_set = 0;
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field)
-{
- int ret = 0;
- struct bt_ctf_field_enumeration *enumeration;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- enumeration = container_of(field, struct bt_ctf_field_enumeration,
- parent);
- if (!enumeration->payload) {
- goto end;
- }
-
- ret = bt_ctf_field_reset(enumeration->payload);
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_structure_reset(struct bt_ctf_field *field)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_structure *structure;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- structure = container_of(field, struct bt_ctf_field_structure, parent);
- for (i = 0; i < structure->fields->len; i++) {
- struct bt_ctf_field *member = structure->fields->pdata[i];
-
- if (!member) {
- /*
- * Structure members are lazily initialized; skip if
- * this member has not been allocated yet.
- */
- continue;
- }
-
- ret = bt_ctf_field_reset(member);
- if (ret) {
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_variant_reset(struct bt_ctf_field *field)
-{
- int ret = 0;
- struct bt_ctf_field_variant *variant;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- variant = container_of(field, struct bt_ctf_field_variant, parent);
- if (variant->payload) {
- ret = bt_ctf_field_reset(variant->payload);
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_array_reset(struct bt_ctf_field *field)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_array *array;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- array = container_of(field, struct bt_ctf_field_array, parent);
- for (i = 0; i < array->elements->len; i++) {
- struct bt_ctf_field *member = array->elements->pdata[i];
-
- if (!member) {
- /*
- * Array elements are lazily initialized; skip if
- * this member has not been allocated yet.
- */
- continue;
- }
-
- ret = bt_ctf_field_reset(member);
- if (ret) {
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_sequence_reset(struct bt_ctf_field *field)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_sequence *sequence;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- sequence = container_of(field, struct bt_ctf_field_sequence, parent);
- for (i = 0; i < sequence->elements->len; i++) {
- struct bt_ctf_field *member = sequence->elements->pdata[i];
-
- if (!member) {
- /*
- * Sequence elements are lazily initialized; skip if
- * this member has not been allocated yet.
- */
- continue;
- }
-
- ret = bt_ctf_field_reset(member);
- if (ret) {
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_string_reset(struct bt_ctf_field *field)
-{
- int ret = 0;
- struct bt_ctf_field_string *string;
-
- if (!field) {
- ret = -1;
- goto end;
- }
-
- ret = bt_ctf_field_generic_reset(field);
- if (ret) {
- goto end;
- }
-
- string = container_of(field, struct bt_ctf_field_string, parent);
- if (string->payload) {
- g_string_truncate(string->payload, 0);
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_integer_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- int ret = 0;
- struct bt_ctf_field_integer *integer = container_of(field,
- struct bt_ctf_field_integer, parent);
-
- if (!bt_ctf_field_generic_is_set(field)) {
- ret = -1;
- goto end;
- }
-retry:
- ret = ctf_integer_write(&pos->parent, &integer->definition.p);
- if (ret == -EFAULT) {
- /*
- * The field is too large to fit in the current packet's
- * remaining space. Bump the packet size and retry.
- */
- ret = increase_packet_size(pos);
- if (ret) {
- goto end;
- }
- goto retry;
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_enumeration_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- struct bt_ctf_field_enumeration *enumeration = container_of(
- field, struct bt_ctf_field_enumeration, parent);
-
- return bt_ctf_field_serialize(enumeration->payload, pos);
-}
-
-static
-int bt_ctf_field_floating_point_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- int ret = 0;
- struct bt_ctf_field_floating_point *floating_point = container_of(field,
- struct bt_ctf_field_floating_point, parent);
-
- if (!bt_ctf_field_generic_is_set(field)) {
- ret = -1;
- goto end;
- }
-retry:
- ret = ctf_float_write(&pos->parent, &floating_point->definition.p);
- if (ret == -EFAULT) {
- /*
- * The field is too large to fit in the current packet's
- * remaining space. Bump the packet size and retry.
- */
- ret = increase_packet_size(pos);
- if (ret) {
- goto end;
- }
- goto retry;
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_structure_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_structure *structure = container_of(
- field, struct bt_ctf_field_structure, parent);
-
- while (!ctf_pos_access_ok(pos,
- offset_align(pos->offset,
- field->type->declaration->alignment))) {
- ret = increase_packet_size(pos);
- if (ret) {
- goto end;
- }
- }
-
- if (!ctf_align_pos(pos, field->type->declaration->alignment)) {
- ret = -1;
- goto end;
- }
-
- for (i = 0; i < structure->fields->len; i++) {
- struct bt_ctf_field *member = g_ptr_array_index(
- structure->fields, i);
-
- ret = bt_ctf_field_serialize(member, pos);
- if (ret) {
- const char *name;
- struct bt_ctf_field_type *structure_type =
- bt_ctf_field_get_type(field);
-
- (void) bt_ctf_field_type_structure_get_field(
- structure_type, &name, NULL, i);
- fprintf(stderr, "Field %s failed to serialize\n",
- name ? name : "NULL");
- bt_put(structure_type);
- break;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_variant_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- struct bt_ctf_field_variant *variant = container_of(
- field, struct bt_ctf_field_variant, parent);
-
- return bt_ctf_field_serialize(variant->payload, pos);
-}
-
-static
-int bt_ctf_field_array_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_array *array = container_of(
- field, struct bt_ctf_field_array, parent);
-
- for (i = 0; i < array->elements->len; i++) {
- ret = bt_ctf_field_serialize(
- g_ptr_array_index(array->elements, i), pos);
- if (ret) {
- fprintf(stderr, "Failed to serialize array element #%zu\n", i);
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_sequence_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_sequence *sequence = container_of(
- field, struct bt_ctf_field_sequence, parent);
-
- for (i = 0; i < sequence->elements->len; i++) {
- ret = bt_ctf_field_serialize(
- g_ptr_array_index(sequence->elements, i), pos);
- if (ret) {
- fprintf(stderr, "Failed to serialize sequence element #%zu\n", i);
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_string_serialize(struct bt_ctf_field *field,
- struct ctf_stream_pos *pos)
-{
- size_t i;
- int ret = 0;
- struct bt_ctf_field_string *string = container_of(field,
- struct bt_ctf_field_string, parent);
- struct bt_ctf_field_type *character_type =
- get_field_type(FIELD_TYPE_ALIAS_UINT8_T);
- struct bt_ctf_field *character = bt_ctf_field_create(character_type);
-
- for (i = 0; i < string->payload->len + 1; i++) {
- ret = bt_ctf_field_unsigned_integer_set_value(character,
- (uint64_t) string->payload->str[i]);
- if (ret) {
- goto end;
- }
-
- ret = bt_ctf_field_integer_serialize(character, pos);
- if (ret) {
- goto end;
- }
- }
-end:
- bt_put(character);
- bt_put(character_type);
- return ret;
-}
-
-static
-int bt_ctf_field_integer_copy(struct bt_ctf_field *src,
- struct bt_ctf_field *dst)
-{
- struct bt_ctf_field_integer *integer_src, *integer_dst;
-
- integer_src = container_of(src, struct bt_ctf_field_integer, parent);
- integer_dst = container_of(dst, struct bt_ctf_field_integer, parent);
-
- memcpy(&integer_dst->definition, &integer_src->definition,
- sizeof(struct definition_integer));
- return 0;
-}
-
-static
-int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src,
- struct bt_ctf_field *dst)
-{
- int ret = 0;
- struct bt_ctf_field_enumeration *enum_src, *enum_dst;
-
- enum_src = container_of(src, struct bt_ctf_field_enumeration, parent);
- enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent);
-
- if (enum_src->payload) {
- enum_dst->payload = bt_ctf_field_copy(enum_src->payload);
- if (!enum_dst->payload) {
- ret = -1;
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_floating_point_copy(
- struct bt_ctf_field *src, struct bt_ctf_field *dst)
-{
- struct bt_ctf_field_floating_point *float_src, *float_dst;
-
- float_src = container_of(src, struct bt_ctf_field_floating_point,
- parent);
- float_dst = container_of(dst, struct bt_ctf_field_floating_point,
- parent);
-
- memcpy(&float_dst->definition, &float_src->definition,
- sizeof(struct definition_float));
- memcpy(&float_dst->sign, &float_src->sign,
- sizeof(struct definition_integer));
- memcpy(&float_dst->mantissa, &float_src->mantissa,
- sizeof(struct definition_integer));
- memcpy(&float_dst->exp, &float_src->exp,
- sizeof(struct definition_integer));
- return 0;
-}
-
-static
-int bt_ctf_field_structure_copy(struct bt_ctf_field *src,
- struct bt_ctf_field *dst)
-{
- int ret = 0, i;
- struct bt_ctf_field_structure *struct_src, *struct_dst;
-
- struct_src = container_of(src, struct bt_ctf_field_structure, parent);
- struct_dst = container_of(dst, struct bt_ctf_field_structure, parent);
-
- /* This field_name_to_index HT is owned by the structure field type */
- struct_dst->field_name_to_index = struct_src->field_name_to_index;
- g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len);
-
- for (i = 0; i < struct_src->fields->len; i++) {
- struct bt_ctf_field *field =
- g_ptr_array_index(struct_src->fields, i);
- struct bt_ctf_field *field_copy = NULL;
-
- if (field) {
- field_copy = bt_ctf_field_copy(field);
-
- if (!field_copy) {
- ret = -1;
- goto end;
- }
- }
-
- g_ptr_array_index(struct_dst->fields, i) = field_copy;
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_variant_copy(struct bt_ctf_field *src,
- struct bt_ctf_field *dst)
-{
- int ret = 0;
- struct bt_ctf_field_variant *variant_src, *variant_dst;
-
- variant_src = container_of(src, struct bt_ctf_field_variant, parent);
- variant_dst = container_of(dst, struct bt_ctf_field_variant, parent);
-
- if (variant_src->tag) {
- variant_dst->tag = bt_ctf_field_copy(variant_src->tag);
- if (!variant_dst->tag) {
- ret = -1;
- goto end;
- }
- }
- if (variant_src->payload) {
- variant_dst->payload = bt_ctf_field_copy(variant_src->payload);
- if (!variant_dst->payload) {
- ret = -1;
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_array_copy(struct bt_ctf_field *src,
- struct bt_ctf_field *dst)
-{
- int ret = 0, i;
- struct bt_ctf_field_array *array_src, *array_dst;
-
- array_src = container_of(src, struct bt_ctf_field_array, parent);
- array_dst = container_of(dst, struct bt_ctf_field_array, parent);
-
- g_ptr_array_set_size(array_dst->elements, array_src->elements->len);
- for (i = 0; i < array_src->elements->len; i++) {
- struct bt_ctf_field *field =
- g_ptr_array_index(array_src->elements, i);
- struct bt_ctf_field *field_copy = NULL;
-
- if (field) {
- field_copy = bt_ctf_field_copy(field);
-
- if (!field_copy) {
- ret = -1;
- goto end;
- }
- }
-
- g_ptr_array_index(array_dst->elements, i) = field_copy;
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_sequence_copy(struct bt_ctf_field *src,
- struct bt_ctf_field *dst)
-{
- int ret = 0, i;
- struct bt_ctf_field_sequence *sequence_src, *sequence_dst;
- struct bt_ctf_field *src_length;
- struct bt_ctf_field *dst_length;
-
- sequence_src = container_of(src, struct bt_ctf_field_sequence, parent);
- sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent);
-
- src_length = bt_ctf_field_sequence_get_length(src);
-
- if (!src_length) {
- /* no length set yet: keep destination sequence empty */
- goto end;
- }
-
- /* copy source length */
- dst_length = bt_ctf_field_copy(src_length);
- bt_put(src_length);
-
- if (!dst_length) {
- ret = -1;
- goto end;
- }
-
- /* this will initialize the destination sequence's internal array */
- ret = bt_ctf_field_sequence_set_length(dst, dst_length);
- bt_put(dst_length);
-
- if (ret) {
- goto end;
- }
-
- assert(sequence_dst->elements->len == sequence_src->elements->len);
-
- for (i = 0; i < sequence_src->elements->len; i++) {
- struct bt_ctf_field *field =
- g_ptr_array_index(sequence_src->elements, i);
- struct bt_ctf_field *field_copy = NULL;
-
- if (field) {
- field_copy = bt_ctf_field_copy(field);
-
- if (!field_copy) {
- ret = -1;
- goto end;
- }
- }
-
- g_ptr_array_index(sequence_dst->elements, i) = field_copy;
- }
-end:
- return ret;
-}
-
-static
-int bt_ctf_field_string_copy(struct bt_ctf_field *src,
- struct bt_ctf_field *dst)
-{
- int ret = 0;
- struct bt_ctf_field_string *string_src, *string_dst;
-
- string_src = container_of(src, struct bt_ctf_field_string, parent);
- string_dst = container_of(dst, struct bt_ctf_field_string, parent);
-
- if (string_src->payload) {
- string_dst->payload = g_string_new(string_src->payload->str);
- if (!string_dst->payload) {
- ret = -1;
- goto end;
- }
- }
-end:
- return ret;
-}
-
-static
-int increase_packet_size(struct ctf_stream_pos *pos)
-{
- int ret;
-
- assert(pos);
- ret = munmap_align(pos->base_mma);
- if (ret) {
- goto end;
- }
-
- pos->packet_size += PACKET_LEN_INCREMENT;
- do {
- ret = bt_posix_fallocate(pos->fd, pos->mmap_offset,
- pos->packet_size / CHAR_BIT);
- } while (ret == EINTR);
- if (ret) {
- errno = EINTR;
- ret = -1;
- goto end;
- }
-
- pos->base_mma = mmap_align(pos->packet_size / CHAR_BIT, pos->prot,
- pos->flags, pos->fd, pos->mmap_offset);
- if (pos->base_mma == MAP_FAILED) {
- ret = -1;
- }
-end:
- return ret;
-}
-
-static
-void generic_field_freeze(struct bt_ctf_field *field)
-{
- field->frozen = 1;
-}
-
-static
-void bt_ctf_field_enumeration_freeze(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_enumeration *enum_field =
- container_of(field, struct bt_ctf_field_enumeration, parent);
-
- bt_ctf_field_freeze(enum_field->payload);
- generic_field_freeze(field);
-}
-
-static
-void bt_ctf_field_structure_freeze(struct bt_ctf_field *field)
-{
- int i;
- struct bt_ctf_field_structure *structure_field =
- container_of(field, struct bt_ctf_field_structure, parent);
-
- for (i = 0; i < structure_field->fields->len; i++) {
- struct bt_ctf_field *field =
- g_ptr_array_index(structure_field->fields, i);
-
- bt_ctf_field_freeze(field);
- }
-
- generic_field_freeze(field);
-}
-
-static
-void bt_ctf_field_variant_freeze(struct bt_ctf_field *field)
-{
- struct bt_ctf_field_variant *variant_field =
- container_of(field, struct bt_ctf_field_variant, parent);
-
- bt_ctf_field_freeze(variant_field->tag);
- bt_ctf_field_freeze(variant_field->payload);
- generic_field_freeze(field);
-}
-
-static
-void bt_ctf_field_array_freeze(struct bt_ctf_field *field)
-{
- int i;
- struct bt_ctf_field_array *array_field =
- container_of(field, struct bt_ctf_field_array, parent);
-
- for (i = 0; i < array_field->elements->len; i++) {
- struct bt_ctf_field *field =
- g_ptr_array_index(array_field->elements, i);
-
- bt_ctf_field_freeze(field);
- }
-
- generic_field_freeze(field);
-}
-
-static
-void bt_ctf_field_sequence_freeze(struct bt_ctf_field *field)
-{
- int i;
- struct bt_ctf_field_sequence *sequence_field =
- container_of(field, struct bt_ctf_field_sequence, parent);
-
- bt_ctf_field_freeze(sequence_field->length);
-
- for (i = 0; i < sequence_field->elements->len; i++) {
- struct bt_ctf_field *field =
- g_ptr_array_index(sequence_field->elements, i);
-
- bt_ctf_field_freeze(field);
- }
-
- generic_field_freeze(field);
-}
-
-BT_HIDDEN
-void bt_ctf_field_freeze(struct bt_ctf_field *field)
-{
- enum bt_ctf_type_id type_id;
-
- if (!field) {
- goto end;
- }
-
- type_id = bt_ctf_field_get_type_id(field);
- if (type_id <= BT_CTF_TYPE_ID_UNKNOWN ||
- type_id >= BT_CTF_NR_TYPE_IDS) {
- goto end;
- }
-
- field_freeze_funcs[type_id](field);
-end:
- return;
-}
-
-static
-bool bt_ctf_field_generic_is_set(struct bt_ctf_field *field)
-{
- return field && field->payload_set;
-}
-
-static
-bool bt_ctf_field_enumeration_is_set(struct bt_ctf_field *field)
-{
- bool is_set = false;
- struct bt_ctf_field_enumeration *enumeration;
-
- if (!field) {
- goto end;
- }
-
- enumeration = container_of(field, struct bt_ctf_field_enumeration,
- parent);
- if (!enumeration->payload) {
- goto end;
- }
-
- is_set = bt_ctf_field_is_set(enumeration->payload);
-end:
- return is_set;
-}
-
-static
-bool bt_ctf_field_structure_is_set(struct bt_ctf_field *field)
-{
- bool is_set = false;
- size_t i;
- struct bt_ctf_field_structure *structure;
-
- if (!field) {
- goto end;
- }
-
- structure = container_of(field, struct bt_ctf_field_structure, parent);
- for (i = 0; i < structure->fields->len; i++) {
- is_set = bt_ctf_field_is_set(structure->fields->pdata[i]);
- if (!is_set) {
- goto end;
- }
- }
-end:
- return is_set;
-}
-
-static
-bool bt_ctf_field_variant_is_set(struct bt_ctf_field *field)
-{
- bool is_set = false;
- struct bt_ctf_field_variant *variant;
-
- if (!field) {
- goto end;
- }
-
- variant = container_of(field, struct bt_ctf_field_variant, parent);
- is_set = bt_ctf_field_is_set(variant->payload);
-end:
- return is_set;
-}
-
-static
-bool bt_ctf_field_array_is_set(struct bt_ctf_field *field)
-{
- size_t i;
- bool is_set = false;
- struct bt_ctf_field_array *array;
-
- if (!field) {
- goto end;
- }
-
- array = container_of(field, struct bt_ctf_field_array, parent);
- for (i = 0; i < array->elements->len; i++) {
- is_set = bt_ctf_field_is_set(array->elements->pdata[i]);
- if (!is_set) {
- goto end;
- }
- }
-end:
- return is_set;
-}
-
-static
-bool bt_ctf_field_sequence_is_set(struct bt_ctf_field *field)
-{
- size_t i;
- bool is_set = false;
- struct bt_ctf_field_sequence *sequence;
-
- if (!field) {
- goto end;
- }
-
- sequence = container_of(field, struct bt_ctf_field_sequence, parent);
- for (i = 0; i < sequence->elements->len; i++) {
- is_set = bt_ctf_field_validate(sequence->elements->pdata[i]);
- if (!is_set) {
- goto end;
- }
- }
-end:
- return is_set;
-}
projects / babeltrace.git / blobdiff