+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_integer_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy;
+ struct bt_ctf_field_type_integer *integer, *copy_integer;
+
+ integer = container_of(type, struct bt_ctf_field_type_integer, parent);
+ copy = bt_ctf_field_type_integer_create(integer->declaration.len);
+ if (!copy) {
+ goto end;
+ }
+
+ copy_integer = container_of(copy, struct bt_ctf_field_type_integer,
+ parent);
+ copy_integer->declaration = integer->declaration;
+ if (integer->mapped_clock) {
+ bt_get(integer->mapped_clock);
+ copy_integer->mapped_clock = integer->mapped_clock;
+ }
+
+ copy_integer->user_byte_order = integer->user_byte_order;
+
+end:
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_copy(
+ struct bt_ctf_field_type *type)
+{
+ size_t i;
+ struct bt_ctf_field_type *copy = NULL, *copy_container;
+ struct bt_ctf_field_type_enumeration *enumeration, *copy_enumeration;
+
+ enumeration = container_of(type, struct bt_ctf_field_type_enumeration,
+ parent);
+
+ /* Copy the source enumeration's container */
+ copy_container = bt_ctf_field_type_copy(enumeration->container);
+ if (!copy_container) {
+ goto end;
+ }
+
+ copy = bt_ctf_field_type_enumeration_create(copy_container);
+ if (!copy) {
+ goto end;
+ }
+ copy_enumeration = container_of(copy,
+ struct bt_ctf_field_type_enumeration, parent);
+
+ /* Copy all enumaration entries */
+ for (i = 0; i < enumeration->entries->len; i++) {
+ struct enumeration_mapping *mapping = g_ptr_array_index(
+ enumeration->entries, i);
+ struct enumeration_mapping* copy_mapping = g_new0(
+ struct enumeration_mapping, 1);
+
+ if (!copy_mapping) {
+ goto error;
+ }
+
+ *copy_mapping = *mapping;
+ g_ptr_array_add(copy_enumeration->entries, copy_mapping);
+ }
+
+ copy_enumeration->declaration = enumeration->declaration;
+end:
+ bt_put(copy_container);
+ return copy;
+error:
+ bt_put(copy_container);
+ BT_PUT(copy);
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_floating_point_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy;
+ struct bt_ctf_field_type_floating_point *floating_point, *copy_float;
+
+ floating_point = container_of(type,
+ struct bt_ctf_field_type_floating_point, parent);
+ copy = bt_ctf_field_type_floating_point_create();
+ if (!copy) {
+ goto end;
+ }
+
+ copy_float = container_of(copy,
+ struct bt_ctf_field_type_floating_point, parent);
+ copy_float->declaration = floating_point->declaration;
+ copy_float->sign = floating_point->sign;
+ copy_float->mantissa = floating_point->mantissa;
+ copy_float->exp = floating_point->exp;
+ copy_float->user_byte_order = floating_point->user_byte_order;
+end:
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_structure_copy(
+ struct bt_ctf_field_type *type)
+{
+ int i;
+ GHashTableIter iter;
+ gpointer key, value;
+ struct bt_ctf_field_type *copy;
+ struct bt_ctf_field_type_structure *structure, *copy_structure;
+
+ structure = container_of(type, struct bt_ctf_field_type_structure,
+ parent);
+ copy = bt_ctf_field_type_structure_create();
+ if (!copy) {
+ goto end;
+ }
+
+ copy_structure = container_of(copy,
+ struct bt_ctf_field_type_structure, parent);
+
+ /* Copy field_name_to_index */
+ g_hash_table_iter_init(&iter, structure->field_name_to_index);
+ while (g_hash_table_iter_next (&iter, &key, &value)) {
+ g_hash_table_insert(copy_structure->field_name_to_index,
+ key, value);
+ }
+
+ for (i = 0; i < structure->fields->len; i++) {
+ struct structure_field *entry, *copy_entry;
+ struct bt_ctf_field_type *copy_field;
+
+ copy_entry = g_new0(struct structure_field, 1);
+ if (!copy_entry) {
+ goto error;
+ }
+
+ entry = g_ptr_array_index(structure->fields, i);
+ copy_field = bt_ctf_field_type_copy(entry->type);
+ if (!copy_field) {
+ g_free(copy_entry);
+ goto error;
+ }
+
+ copy_entry->name = entry->name;
+ copy_entry->type = copy_field;
+ g_ptr_array_add(copy_structure->fields, copy_entry);
+ }
+
+ copy_structure->declaration = structure->declaration;
+end:
+ return copy;
+error:
+ BT_PUT(copy);
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_variant_copy(
+ struct bt_ctf_field_type *type)
+{
+ int i;
+ GHashTableIter iter;
+ gpointer key, value;
+ struct bt_ctf_field_type *copy = NULL, *copy_tag = NULL;
+ struct bt_ctf_field_type_variant *variant, *copy_variant;
+
+ variant = container_of(type, struct bt_ctf_field_type_variant,
+ parent);
+ if (variant->tag) {
+ copy_tag = bt_ctf_field_type_copy(&variant->tag->parent);
+ if (!copy_tag) {
+ goto end;
+ }
+ }
+
+ copy = bt_ctf_field_type_variant_create(copy_tag,
+ variant->tag_name->len ? variant->tag_name->str : NULL);
+ if (!copy) {
+ goto end;
+ }
+
+ copy_variant = container_of(copy, struct bt_ctf_field_type_variant,
+ parent);
+
+ /* Copy field_name_to_index */
+ g_hash_table_iter_init(&iter, variant->field_name_to_index);
+ while (g_hash_table_iter_next (&iter, &key, &value)) {
+ g_hash_table_insert(copy_variant->field_name_to_index,
+ key, value);
+ }
+
+ for (i = 0; i < variant->fields->len; i++) {
+ struct structure_field *entry, *copy_entry;
+ struct bt_ctf_field_type *copy_field;
+
+ copy_entry = g_new0(struct structure_field, 1);
+ if (!copy_entry) {
+ goto error;
+ }
+
+ entry = g_ptr_array_index(variant->fields, i);
+ copy_field = bt_ctf_field_type_copy(entry->type);
+ if (!copy_field) {
+ g_free(copy_entry);
+ goto error;
+ }
+
+ copy_entry->name = entry->name;
+ copy_entry->type = copy_field;
+ g_ptr_array_add(copy_variant->fields, copy_entry);
+ }
+
+ copy_variant->declaration = variant->declaration;
+ if (variant->tag_path) {
+ copy_variant->tag_path = bt_ctf_field_path_copy(
+ variant->tag_path);
+ if (!copy_variant->tag_path) {
+ goto error;
+ }
+ }
+end:
+ bt_put(copy_tag);
+ return copy;
+error:
+ bt_put(copy_tag);
+ BT_PUT(copy);
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_array_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy = NULL, *copy_element;
+ struct bt_ctf_field_type_array *array, *copy_array;
+
+ array = container_of(type, struct bt_ctf_field_type_array,
+ parent);
+ copy_element = bt_ctf_field_type_copy(array->element_type);
+ if (!copy_element) {
+ goto end;
+ }
+
+ copy = bt_ctf_field_type_array_create(copy_element, array->length);
+ if (!copy) {
+ goto end;
+ }
+
+ copy_array = container_of(copy, struct bt_ctf_field_type_array,
+ parent);
+ copy_array->declaration = array->declaration;
+end:
+ bt_put(copy_element);
+ return copy;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_sequence_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy = NULL, *copy_element;
+ struct bt_ctf_field_type_sequence *sequence, *copy_sequence;
+
+ sequence = container_of(type, struct bt_ctf_field_type_sequence,
+ parent);
+ copy_element = bt_ctf_field_type_copy(sequence->element_type);
+ if (!copy_element) {
+ goto end;
+ }
+
+ copy = bt_ctf_field_type_sequence_create(copy_element,
+ sequence->length_field_name->len ?
+ sequence->length_field_name->str : NULL);
+ if (!copy) {
+ goto end;
+ }
+
+ copy_sequence = container_of(copy, struct bt_ctf_field_type_sequence,
+ parent);
+ copy_sequence->declaration = sequence->declaration;
+ if (sequence->length_field_path) {
+ copy_sequence->length_field_path = bt_ctf_field_path_copy(
+ sequence->length_field_path);
+ if (!copy_sequence->length_field_path) {
+ goto error;
+ }
+ }
+end:
+ bt_put(copy_element);
+ return copy;
+error:
+ BT_PUT(copy);
+ goto end;
+}
+
+static
+struct bt_ctf_field_type *bt_ctf_field_type_string_copy(
+ struct bt_ctf_field_type *type)
+{
+ struct bt_ctf_field_type *copy;
+ struct bt_ctf_field_type_string *string, *copy_string;
+
+ copy = bt_ctf_field_type_string_create();
+ if (!copy) {
+ goto end;
+ }
+
+ string = container_of(type, struct bt_ctf_field_type_string,
+ parent);
+ copy_string = container_of(type, struct bt_ctf_field_type_string,
+ parent);
+ copy_string->declaration = string->declaration;
+end:
+ return copy;
+}
+
+static
+int bt_ctf_field_type_integer_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ struct bt_ctf_field_type_integer *integer_a;
+ struct bt_ctf_field_type_integer *integer_b;
+ struct declaration_integer *decl_a;
+ struct declaration_integer *decl_b;
+
+ integer_a = container_of(type_a, struct bt_ctf_field_type_integer,
+ parent);
+ integer_b = container_of(type_b, struct bt_ctf_field_type_integer,
+ parent);
+ decl_a = &integer_a->declaration;
+ decl_b = &integer_b->declaration;
+
+ /* Length */
+ if (decl_a->len != decl_b->len) {
+ goto end;
+ }
+
+ /*
+ * Compare user byte orders only, not the cached,
+ * real byte orders.
+ */
+ if (integer_a->user_byte_order != integer_b->user_byte_order) {
+ goto end;
+ }
+
+ /* Signedness */
+ if (decl_a->signedness != decl_b->signedness) {
+ goto end;
+ }
+
+ /* Base */
+ if (decl_a->base != decl_b->base) {
+ goto end;
+ }
+
+ /* Encoding */
+ if (decl_a->encoding != decl_b->encoding) {
+ goto end;
+ }
+
+ /* Mapped clock */
+ if (integer_a->mapped_clock != integer_b->mapped_clock) {
+ goto end;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_floating_point_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ struct bt_ctf_field_type_floating_point *float_a;
+ struct bt_ctf_field_type_floating_point *float_b;
+
+ float_a = container_of(type_a,
+ struct bt_ctf_field_type_floating_point, parent);
+ float_b = container_of(type_b,
+ struct bt_ctf_field_type_floating_point, parent);
+
+ /* Sign length */
+ if (float_a->sign.len != float_b->sign.len) {
+ goto end;
+ }
+
+ /* Exponent length */
+ if (float_a->exp.len != float_b->exp.len) {
+ goto end;
+ }
+
+ /* Mantissa length */
+ if (float_a->mantissa.len != float_b->mantissa.len) {
+ goto end;
+ }
+
+ /*
+ * Compare user byte orders only, not the cached,
+ * real byte orders.
+ */
+ if (float_a->user_byte_order != float_b->user_byte_order) {
+ goto end;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int compare_enumeration_mappings(struct enumeration_mapping *mapping_a,
+ struct enumeration_mapping *mapping_b)
+{
+ int ret = 1;
+
+ /* Label */
+ if (mapping_a->string != mapping_b->string) {
+ goto end;
+ }
+
+ /* Range start */
+ if (mapping_a->range_start._unsigned !=
+ mapping_b->range_start._unsigned) {
+ goto end;
+ }
+
+ /* Range end */
+ if (mapping_a->range_end._unsigned !=
+ mapping_b->range_end._unsigned) {
+ goto end;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_enumeration_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ int i;
+ struct bt_ctf_field_type_enumeration *enum_a;
+ struct bt_ctf_field_type_enumeration *enum_b;
+
+ enum_a = container_of(type_a,
+ struct bt_ctf_field_type_enumeration, parent);
+ enum_b = container_of(type_b,
+ struct bt_ctf_field_type_enumeration, parent);
+
+ /* Container field type */
+ ret = bt_ctf_field_type_compare(enum_a->container, enum_b->container);
+ if (ret) {
+ goto end;
+ }
+
+ ret = 1;
+
+ /* Entries */
+ if (enum_a->entries->len != enum_b->entries->len) {
+ goto end;
+ }
+
+ for (i = 0; i < enum_a->entries->len; ++i) {
+ struct enumeration_mapping *mapping_a =
+ g_ptr_array_index(enum_a->entries, i);
+ struct enumeration_mapping *mapping_b =
+ g_ptr_array_index(enum_b->entries, i);
+
+ if (compare_enumeration_mappings(mapping_a, mapping_b)) {
+ goto end;
+ }
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_string_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ struct bt_ctf_field_type_string *string_a;
+ struct bt_ctf_field_type_string *string_b;
+
+ string_a = container_of(type_a,
+ struct bt_ctf_field_type_string, parent);
+ string_b = container_of(type_b,
+ struct bt_ctf_field_type_string, parent);
+
+ /* Encoding */
+ if (string_a->declaration.encoding != string_b->declaration.encoding) {
+ goto end;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int compare_structure_fields(struct structure_field *field_a,
+ struct structure_field *field_b)
+{
+ int ret = 1;
+
+ /* Label */
+ if (field_a->name != field_b->name) {
+ goto end;
+ }
+
+ /* Type */
+ ret = bt_ctf_field_type_compare(field_a->type, field_b->type);
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_structure_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ int i;
+ struct bt_ctf_field_type_structure *struct_a;
+ struct bt_ctf_field_type_structure *struct_b;
+
+ struct_a = container_of(type_a,
+ struct bt_ctf_field_type_structure, parent);
+ struct_b = container_of(type_b,
+ struct bt_ctf_field_type_structure, parent);
+
+ /* Alignment */
+ if (bt_ctf_field_type_get_alignment(type_a) !=
+ bt_ctf_field_type_get_alignment(type_b)) {
+ goto end;
+ }
+
+ /* Fields */
+ if (struct_a->fields->len != struct_b->fields->len) {
+ goto end;
+ }
+
+ for (i = 0; i < struct_a->fields->len; ++i) {
+ struct structure_field *field_a =
+ g_ptr_array_index(struct_a->fields, i);
+ struct structure_field *field_b =
+ g_ptr_array_index(struct_b->fields, i);
+
+ ret = compare_structure_fields(field_a, field_b);
+ if (ret) {
+ goto end;
+ }
+
+ ret = 1;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_variant_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ int i;
+ struct bt_ctf_field_type_variant *variant_a;
+ struct bt_ctf_field_type_variant *variant_b;
+
+ variant_a = container_of(type_a,
+ struct bt_ctf_field_type_variant, parent);
+ variant_b = container_of(type_b,
+ struct bt_ctf_field_type_variant, parent);
+
+ /* Tag name */
+ if (strcmp(variant_a->tag_name->str, variant_b->tag_name->str)) {
+ goto end;
+ }
+
+ /* Tag type */
+ ret = bt_ctf_field_type_compare(
+ (struct bt_ctf_field_type *) variant_a->tag,
+ (struct bt_ctf_field_type *) variant_b->tag);
+ if (ret) {
+ goto end;
+ }
+
+ ret = 1;
+
+ /* Fields */
+ if (variant_a->fields->len != variant_b->fields->len) {
+ goto end;
+ }
+
+ for (i = 0; i < variant_a->fields->len; ++i) {
+ struct structure_field *field_a =
+ g_ptr_array_index(variant_a->fields, i);
+ struct structure_field *field_b =
+ g_ptr_array_index(variant_b->fields, i);
+
+ ret = compare_structure_fields(field_a, field_b);
+ if (ret) {
+ goto end;
+ }
+
+ ret = 1;
+ }
+
+ /* Equal */
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_array_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+ struct bt_ctf_field_type_array *array_a;
+ struct bt_ctf_field_type_array *array_b;
+
+ array_a = container_of(type_a,
+ struct bt_ctf_field_type_array, parent);
+ array_b = container_of(type_b,
+ struct bt_ctf_field_type_array, parent);
+
+ /* Length */
+ if (array_a->length != array_b->length) {
+ goto end;
+ }
+
+ /* Element type */
+ ret = bt_ctf_field_type_compare(array_a->element_type,
+ array_b->element_type);
+
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_type_sequence_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = -1;
+ struct bt_ctf_field_type_sequence *sequence_a;
+ struct bt_ctf_field_type_sequence *sequence_b;
+
+ sequence_a = container_of(type_a,
+ struct bt_ctf_field_type_sequence, parent);
+ sequence_b = container_of(type_b,
+ struct bt_ctf_field_type_sequence, parent);
+
+ /* Length name */
+ if (strcmp(sequence_a->length_field_name->str,
+ sequence_b->length_field_name->str)) {
+ goto end;
+ }
+
+ /* Element type */
+ ret = bt_ctf_field_type_compare(sequence_a->element_type,
+ sequence_b->element_type);
+
+end:
+ return ret;
+}
+
+int bt_ctf_field_type_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b)
+{
+ int ret = 1;
+
+ if (type_a == type_b) {
+ /* Same reference: equal (even if both are NULL) */
+ ret = 0;
+ goto end;
+ }
+
+ if (!type_a || !type_b) {
+ ret = -1;
+ goto end;
+ }
+
+ if (type_a->declaration->id != type_b->declaration->id) {
+ /* Different type IDs */
+ goto end;
+ }
+
+ if (type_a->declaration->id == CTF_TYPE_UNKNOWN) {
+ /* Both have unknown type IDs */
+ goto end;
+ }
+
+ ret = type_compare_funcs[type_a->declaration->id](type_a, type_b);
+
+end:
+ return ret;
+}