* http://www.efficios.com/ctf
*/
-#include <babeltrace/ctf/events.h>
#include <stdint.h>
#ifdef __cplusplus
struct bt_ctf_event_class;
struct bt_ctf_event;
struct bt_ctf_field_type;
+struct bt_ctf_field;
+struct bt_ctf_field_path;
+
+/*
+ * Babeltrace 1.x enumerations that were also used in CTF writer's API.
+ * They are left here for backward compatibility reasons, but
+ * enum bt_ctf_type_id and enum bt_ctf_string_encoding should be used
+ * in new code. Both new enumerations are compatible with their legacy
+ * counterpart.
+ */
+enum ctf_type_id {
+ CTF_TYPE_UNKNOWN = 0,
+ CTF_TYPE_INTEGER,
+ CTF_TYPE_FLOAT,
+ CTF_TYPE_ENUM,
+ CTF_TYPE_STRING,
+ CTF_TYPE_STRUCT,
+ CTF_TYPE_UNTAGGED_VARIANT,
+ CTF_TYPE_VARIANT,
+ CTF_TYPE_ARRAY,
+ CTF_TYPE_SEQUENCE,
+ NR_CTF_TYPES,
+};
+
+/*
+ * Old enum.
+ */
+enum ctf_string_encoding {
+ CTF_STRING_NONE = 0,
+ CTF_STRING_UTF8,
+ CTF_STRING_ASCII,
+ CTF_STRING_UNKNOWN,
+};
+
+enum bt_ctf_type_id {
+ BT_CTF_TYPE_ID_UNKNOWN = CTF_TYPE_UNKNOWN,
+ BT_CTF_TYPE_ID_INTEGER = CTF_TYPE_INTEGER,
+ BT_CTF_TYPE_ID_FLOAT = CTF_TYPE_FLOAT,
+ BT_CTF_TYPE_ID_ENUM = CTF_TYPE_ENUM,
+ BT_CTF_TYPE_ID_STRING = CTF_TYPE_STRING,
+ BT_CTF_TYPE_ID_STRUCT = CTF_TYPE_STRUCT,
+ BT_CTF_TYPE_ID_UNTAGGED_VARIANT = CTF_TYPE_UNTAGGED_VARIANT,
+ BT_CTF_TYPE_ID_VARIANT = CTF_TYPE_VARIANT,
+ BT_CTF_TYPE_ID_ARRAY = CTF_TYPE_ARRAY,
+ BT_CTF_TYPE_ID_SEQUENCE = CTF_TYPE_SEQUENCE,
+ BT_CTF_NR_TYPE_IDS,
+};
enum bt_ctf_integer_base {
BT_CTF_INTEGER_BASE_UNKNOWN = -1,
};
enum bt_ctf_byte_order {
+ BT_CTF_BYTE_ORDER_UNKNOWN = -1,
+ /*
+ * Note that native, in the context of the CTF specification, is defined
+ * as "the byte order described in the trace" and does not mean that the
+ * host's endianness will be used.
+ */
BT_CTF_BYTE_ORDER_NATIVE = 0,
BT_CTF_BYTE_ORDER_LITTLE_ENDIAN,
BT_CTF_BYTE_ORDER_BIG_ENDIAN,
BT_CTF_BYTE_ORDER_NETWORK,
};
+enum bt_ctf_string_encoding {
+ BT_CTF_STRING_ENCODING_NONE = CTF_STRING_NONE,
+ BT_CTF_STRING_ENCODING_UTF8 = CTF_STRING_UTF8,
+ BT_CTF_STRING_ENCODING_ASCII = CTF_STRING_ASCII,
+ BT_CTF_STRING_ENCODING_UNKNOWN = CTF_STRING_UNKNOWN,
+};
+
+enum bt_ctf_scope {
+ BT_CTF_SCOPE_UNKNOWN = -1,
+ BT_CTF_SCOPE_ENV = 0,
+ BT_CTF_SCOPE_TRACE_PACKET_HEADER = 1,
+ BT_CTF_SCOPE_STREAM_PACKET_CONTEXT = 2,
+ BT_CTF_SCOPE_STREAM_EVENT_HEADER = 3,
+ BT_CTF_SCOPE_STREAM_EVENT_CONTEXT = 4,
+ BT_CTF_SCOPE_EVENT_CONTEXT = 5,
+ BT_CTF_SCOPE_EVENT_FIELDS = 6,
+};
+
/*
* bt_ctf_field_type_integer_create: create an integer field type.
*
extern struct bt_ctf_field_type *bt_ctf_field_type_integer_create(
unsigned int size);
+/*
+ * bt_ctf_field_type_integer_get_size: get an integer type's size.
+ *
+ * Get an integer type's size.
+ *
+ * @param integer Integer type.
+ *
+ * Returns the integer type's size, a negative value on error.
+ */
+extern int bt_ctf_field_type_integer_get_size(
+ struct bt_ctf_field_type *integer);
+
+/*
+ * bt_ctf_field_type_integer_get_signed: get an integer type's signedness.
+ *
+ * Get an integer type's signedness attribute.
+ *
+ * @param integer Integer type.
+ *
+ * Returns the integer's signedness, a negative value on error.
+ */
+extern int bt_ctf_field_type_integer_get_signed(
+ struct bt_ctf_field_type *integer);
+
/*
* bt_ctf_field_type_integer_set_signed: set an integer type's signedness.
*
extern int bt_ctf_field_type_integer_set_signed(
struct bt_ctf_field_type *integer, int is_signed);
+/*
+ * bt_ctf_field_type_integer_get_base: get an integer type's base.
+ *
+ * Get an integer type's base used to pretty-print the resulting trace.
+ *
+ * @param integer Integer type.
+ *
+ * Returns the integer type's base on success, BT_CTF_INTEGER_BASE_UNKNOWN on
+ * error.
+ */
+extern enum bt_ctf_integer_base bt_ctf_field_type_integer_get_base(
+ struct bt_ctf_field_type *integer);
+
/*
* bt_ctf_field_type_integer_set_base: set an integer type's base.
*
extern int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *integer,
enum bt_ctf_integer_base base);
+/*
+ * bt_ctf_field_type_integer_get_encoding: get an integer type's encoding.
+ *
+ * @param integer Integer type.
+ *
+ * Returns the string field's encoding on success,
+ * BT_CTF_STRING_ENCODING_UNKNOWN on error.
+ */
+extern enum bt_ctf_string_encoding bt_ctf_field_type_integer_get_encoding(
+ struct bt_ctf_field_type *integer);
+
/*
* bt_ctf_field_type_integer_set_encoding: set an integer type's encoding.
*
* a text character.
*
* @param integer Integer type.
- * @param encoding Integer output encoding, defaults to CTF_STRING_ENCODING_NONE
+ * @param encoding Integer output encoding, defaults to
+ * BT_CTF_STRING_ENCODING_NONE
*
* Returns 0 on success, a negative value on error.
*/
extern int bt_ctf_field_type_integer_set_encoding(
struct bt_ctf_field_type *integer,
- enum ctf_string_encoding encoding);
+ enum bt_ctf_string_encoding encoding);
+
+/**
+ * bt_ctf_field_type_integer_get_mapped_clock: get an integer type's mapped clock.
+ *
+ * @param integer Integer type.
+ *
+ * Returns the integer's mapped clock (if any), NULL on error.
+ */
+extern struct bt_ctf_clock *bt_ctf_field_type_integer_get_mapped_clock(
+ struct bt_ctf_field_type *integer);
+
+/**
+ * bt_ctf_field_type_integer_set_mapped_clock: set an integer type's mapped clock.
+ *
+ * @param integer Integer type.
+ * @param clock Clock to map.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_integer_set_mapped_clock(
+ struct bt_ctf_field_type *integer,
+ struct bt_ctf_clock *clock);
/*
* bt_ctf_field_type_enumeration_create: create an enumeration field type.
extern struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create(
struct bt_ctf_field_type *integer_container_type);
+/*
+ * bt_ctf_field_type_enumeration_get_container_type: get underlying container.
+ *
+ * Get the enumeration type's underlying integer container type.
+ *
+ * @param enumeration Enumeration type.
+ *
+ * Returns an allocated field type on success, NULL on error.
+ */
+extern
+struct bt_ctf_field_type *bt_ctf_field_type_enumeration_get_container_type(
+ struct bt_ctf_field_type *enumeration);
+
/*
* bt_ctf_field_type_enumeration_add_mapping: add an enumeration mapping.
*
* Add a mapping to the enumeration. The range's values are inclusive.
*
* @param enumeration Enumeration type.
- * @param string Enumeration mapping name (will be copied).
+ * @param name Enumeration mapping name (will be copied).
* @param range_start Enumeration mapping range start.
* @param range_end Enumeration mapping range end.
*
* Returns 0 on success, a negative value on error.
*/
extern int bt_ctf_field_type_enumeration_add_mapping(
- struct bt_ctf_field_type *enumeration, const char *string,
+ struct bt_ctf_field_type *enumeration, const char *name,
int64_t range_start, int64_t range_end);
+/*
+ * bt_ctf_field_type_enumeration_add_mapping_unsigned: add an enumeration
+ * mapping.
+ *
+ * Add a mapping to the enumeration. The range's values are inclusive.
+ *
+ * @param enumeration Enumeration type.
+ * @param name Enumeration mapping name (will be copied).
+ * @param range_start Enumeration mapping range start.
+ * @param range_end Enumeration mapping range end.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_enumeration_add_mapping_unsigned(
+ struct bt_ctf_field_type *enumeration, const char *name,
+ uint64_t range_start, uint64_t range_end);
+
+/*
+ * bt_ctf_field_type_enumeration_get_mapping_count: Get the number of mappings
+ * defined in the enumeration.
+ *
+ * @param enumeration Enumeration type.
+ *
+ * Returns the mapping count on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_enumeration_get_mapping_count(
+ struct bt_ctf_field_type *enumeration);
+
+/*
+ * bt_ctf_field_type_enumeration_get_mapping: get an enumeration mapping.
+ *
+ * @param enumeration Enumeration type.
+ * @param index Index of mapping.
+ * @param name Pointer where the mapping's name will be returned (valid for
+ * the lifetime of the enumeration).
+ * @param range_start Pointer where the enumeration mapping's range start will
+ * be returned.
+ * @param range_end Pointer where the enumeration mapping's range end will
+ * be returned.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_enumeration_get_mapping(
+ struct bt_ctf_field_type *enumeration, int index,
+ const char **name, int64_t *range_start, int64_t *range_end);
+
+/*
+ * bt_ctf_field_type_enumeration_get_mapping_unsigned: get a mapping.
+ *
+ * @param enumeration Enumeration type.
+ * @param index Index of mapping.
+ * @param name Pointer where the mapping's name will be returned (valid for
+ * the lifetime of the enumeration).
+ * @param range_start Pointer where the enumeration mapping's range start will
+ * be returned.
+ * @param range_end Pointer where the enumeration mapping's range end will
+ * be returned.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_enumeration_get_mapping_unsigned(
+ struct bt_ctf_field_type *enumeration, int index,
+ const char **name, uint64_t *range_start,
+ uint64_t *range_end);
+
+/*
+ * bt_ctf_field_type_enumeration_get_mapping_index_by_name: get an enumerations'
+ * mapping index by name.
+ *
+ * @param enumeration Enumeration type.
+ * @param name Mapping name.
+ *
+ * Returns mapping index on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_enumeration_get_mapping_index_by_name(
+ struct bt_ctf_field_type *enumeration, const char *name);
+
+/*
+ * bt_ctf_field_type_enumeration_get_mapping_index_by_value: get an
+ * enumerations' mapping index by value.
+ *
+ * @param enumeration Enumeration type.
+ * @param value Value.
+ *
+ * Returns mapping index on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_enumeration_get_mapping_index_by_value(
+ struct bt_ctf_field_type *enumeration, int64_t value);
+
+/*
+ * bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value: get an
+ * enumerations' mapping index by value.
+ *
+ * @param enumeration Enumeration type.
+ * @param value Value.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_enumeration_get_mapping_index_by_unsigned_value(
+ struct bt_ctf_field_type *enumeration, uint64_t value);
+
/*
* bt_ctf_field_type_floating_point_create: create a floating point field type.
*
*/
extern struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void);
+/*
+ * bt_ctf_field_type_floating_point_get_exponent_digits: get exponent digit
+ * count.
+ *
+ * @param floating_point Floating point type.
+ *
+ * Returns the exponent digit count on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_floating_point_get_exponent_digits(
+ struct bt_ctf_field_type *floating_point);
+
/*
* bt_ctf_field_type_floating_point_set_exponent_digits: set exponent digit
- * count.
+ * count.
*
* Set the number of exponent digits to use to store the floating point field.
* The only values currently supported are FLT_EXP_DIG and DBL_EXP_DIG.
unsigned int exponent_digits);
/*
- * bt_ctf_field_type_floating_point_set_mantissa_digits: set mantissa digit
+ * bt_ctf_field_type_floating_point_get_mantissa_digits: get mantissa digit
* count.
*
+ * @param floating_point Floating point type.
+ *
+ * Returns the mantissa digit count on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_floating_point_get_mantissa_digits(
+ struct bt_ctf_field_type *floating_point);
+
+/*
+ * bt_ctf_field_type_floating_point_set_mantissa_digits: set mantissa digit
+ * count.
+ *
* Set the number of mantissa digits to use to store the floating point field.
* The only values currently supported are FLT_MANT_DIG and DBL_MANT_DIG.
*
struct bt_ctf_field_type *field_type,
const char *field_name);
+/*
+ * bt_ctf_field_type_structure_get_field_count: Get the number of fields defined
+ * in the structure.
+ *
+ * @param structure Structure type.
+ *
+ * Returns the field count on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_structure_get_field_count(
+ struct bt_ctf_field_type *structure);
+
+/*
+ * bt_ctf_field_type_structure_get_field: get a structure's field type and name.
+ *
+ * @param structure Structure type.
+ * @param field_type Pointer to a const char* where the field's name will
+ * be returned.
+ * @param field_type Pointer to a bt_ctf_field_type* where the field's type will
+ * be returned.
+ * @param index Index of field.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_structure_get_field(
+ struct bt_ctf_field_type *structure,
+ const char **field_name, struct bt_ctf_field_type **field_type,
+ int index);
+
+/*
+ * bt_ctf_field_type_structure_get_field_type_by_name: get a structure field's
+ * type by name.
+ *
+ * @param structure Structure type.
+ * @param field_name Name of the structure's field.
+ *
+ * Returns a field type instance on success, NULL on error.
+ */
+extern
+struct bt_ctf_field_type *bt_ctf_field_type_structure_get_field_type_by_name(
+ struct bt_ctf_field_type *structure, const char *field_name);
+
/*
* bt_ctf_field_type_variant_create: create a variant field type.
*
* Returns an allocated field type on success, NULL on error.
*/
extern struct bt_ctf_field_type *bt_ctf_field_type_variant_create(
- struct bt_ctf_field_type *enum_tag,
- const char *tag_name);
+ struct bt_ctf_field_type *enum_tag, const char *tag_name);
+
+/*
+ * bt_ctf_field_type_variant_get_tag_type: get a variant's tag type.
+ *
+ * @param variant Variant type.
+ *
+ * Returns a field type instance on success, NULL if unset.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_variant_get_tag_type(
+ struct bt_ctf_field_type *variant);
+
+/*
+ * bt_ctf_field_type_variant_get_tag_name: get a variant's tag name.
+ *
+ * @param variant Variant type.
+ *
+ * Returns the tag field's name, NULL if unset.
+ */
+extern const char *bt_ctf_field_type_variant_get_tag_name(
+ struct bt_ctf_field_type *variant);
+
+/*
+ * bt_ctf_field_type_variant_set_tag_name: set a variant's tag name.
+ *
+ * @param variant Variant type.
+ * @param name Tag field name.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_variant_set_tag_name(
+ struct bt_ctf_field_type *variant, const char *name);
/*
* bt_ctf_field_type_variant_add_field: add a field to a variant.
*
- * Add a field of type "field_type" to the variant.The variant will share
+ * Add a field of type "field_type" to the variant. The variant will share
* field_type's ownership by increasing its reference count. The "field_name"
* will be copied. field_name must match a mapping in the tag/selector
* enumeration.
struct bt_ctf_field_type *field_type,
const char *field_name);
+/*
+ * bt_ctf_field_type_variant_get_field_type_by_name: get variant field's type.
+ *
+ * @param structure Variant type.
+ * @param field_name Name of the variant's field.
+ *
+ * Returns a field type instance on success, NULL on error.
+ */
+extern
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_by_name(
+ struct bt_ctf_field_type *variant, const char *field_name);
+
+/*
+ * bt_ctf_field_type_variant_get_field_type_from_tag: get variant field's type.
+ *
+ * @param variant Variant type.
+ * @param tag Type tag (enum).
+ *
+ * Returns a field type instance on success, NULL on error.
+ */
+extern
+struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type_from_tag(
+ struct bt_ctf_field_type *variant, struct bt_ctf_field *tag);
+
+/*
+ * bt_ctf_field_type_variant_get_field_count: Get the number of fields defined
+ * in the variant.
+ *
+ * @param variant Variant type.
+ *
+ * Returns the field count on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_variant_get_field_count(
+ struct bt_ctf_field_type *variant);
+
+/*
+ * bt_ctf_field_type_variant_get_field: get a variant's field name and type.
+ *
+ * @param variant Variant type.
+ * @param field_type Pointer to a const char* where the field's name will
+ * be returned.
+ * @param field_type Pointer to a bt_ctf_field_type* where the field's type will
+ * be returned.
+ * @param index Index of field.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_field_type_variant_get_field(
+ struct bt_ctf_field_type *variant, const char **field_name,
+ struct bt_ctf_field_type **field_type, int index);
+
/*
* bt_ctf_field_type_array_create: create an array field type.
*
* Returns an allocated field type on success, NULL on error.
*/
extern struct bt_ctf_field_type *bt_ctf_field_type_array_create(
- struct bt_ctf_field_type *element_type,
- unsigned int length);
+ struct bt_ctf_field_type *element_type, unsigned int length);
+
+/*
+ * bt_ctf_field_type_array_get_element_type: get an array's element type.
+ *
+ * @param array Array type.
+ *
+ * Returns a field type instance on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type(
+ struct bt_ctf_field_type *array);
+
+/*
+ * bt_ctf_field_type_array_get_length: get an array's length.
+ *
+ * @param array Array type.
+ *
+ * Returns the array's length on success, a negative value on error.
+ */
+extern int64_t bt_ctf_field_type_array_get_length(
+ struct bt_ctf_field_type *array);
/*
* bt_ctf_field_type_sequence_create: create a sequence field type.
struct bt_ctf_field_type *element_type,
const char *length_field_name);
+/*
+ * bt_ctf_field_type_sequence_get_element_type: get a sequence's element type.
+ *
+ * @param sequence Sequence type.
+ *
+ * Returns a field type instance on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type(
+ struct bt_ctf_field_type *sequence);
+
+/*
+ * bt_ctf_field_type_sequence_get_length_field_name: get length field name.
+ *
+ * @param sequence Sequence type.
+ *
+ * Returns the sequence's length field on success, NULL on error.
+ */
+extern const char *bt_ctf_field_type_sequence_get_length_field_name(
+ struct bt_ctf_field_type *sequence);
+
/*
* bt_ctf_field_type_string_create: create a string field type.
*
*/
extern struct bt_ctf_field_type *bt_ctf_field_type_string_create(void);
+/*
+ * bt_ctf_field_type_string_get_encoding: get a string type's encoding.
+ *
+ * Get the string type's encoding.
+ *
+ * @param string_type String type.
+ *
+ * Returns the string's encoding on success, a BT_CTF_STRING_ENCODING_UNKNOWN
+ * on error.
+ */
+extern enum bt_ctf_string_encoding bt_ctf_field_type_string_get_encoding(
+ struct bt_ctf_field_type *string_type);
+
/*
* bt_ctf_field_type_string_set_encoding: set a string type's encoding.
*
* Set the string type's encoding.
*
- * @param string String type.
- * @param encoding String field encoding, default CTF_STRING_ENCODING_ASCII.
- * Valid values are CTF_STRING_ENCODING_ASCII and CTF_STRING_ENCODING_UTF8.
+ * @param string_type String type.
+ * @param encoding String field encoding, default BT_CTF_STRING_ENCODING_ASCII.
+ * Valid values are BT_CTF_STRING_ENCODING_ASCII and
+ * BT_CTF_STRING_ENCODING_UTF8.
*
* Returns 0 on success, a negative value on error.
*/
extern int bt_ctf_field_type_string_set_encoding(
- struct bt_ctf_field_type *string,
- enum ctf_string_encoding encoding);
+ struct bt_ctf_field_type *string_type,
+ enum bt_ctf_string_encoding encoding);
+
+/*
+ * bt_ctf_field_type_get_alignment: get a field type's alignment.
+ *
+ * Get the field type's alignment.
+ *
+ * @param type Field type.
+ *
+ * Returns the field type's alignment on success, a negative value on error and
+ * 0 if the alignment is undefined (as in the case of a variant).
+ */
+extern int bt_ctf_field_type_get_alignment(struct bt_ctf_field_type *type);
/*
* bt_ctf_field_type_set_alignment: set a field type's alignment.
extern int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type,
unsigned int alignment);
+/*
+ * bt_ctf_field_type_get_byte_order: get a field type's byte order.
+ *
+ * @param type Field type.
+ *
+ * Returns the field type's byte order on success, a negative value on error.
+ */
+extern enum bt_ctf_byte_order bt_ctf_field_type_get_byte_order(
+ struct bt_ctf_field_type *type);
+
/*
* bt_ctf_field_type_set_byte_order: set a field type's byte order.
*
*
* @param type Field type.
* @param byte_order Field type's byte order. Defaults to
- * BT_CTF_BYTE_ORDER_NATIVE, the host machine's endianness.
+ * BT_CTF_BYTE_ORDER_NATIVE; the trace's endianness.
*
* Returns 0 on success, a negative value on error.
*/
extern int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type,
enum bt_ctf_byte_order byte_order);
+/*
+ * bt_ctf_field_type_variant_get_tag_field_path: get a variant's tag's field
+ * path.
+ *
+ * Get the variant's tag's field path.
+ *
+ * @param type Field type.
+ *
+ * Returns the field path on success, NULL on error or if no field path is set.
+ */
+extern struct bt_ctf_field_path *bt_ctf_field_type_variant_get_tag_field_path(
+ struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_sequence_get_length_field_path: get a sequence's length's
+ * field path.
+ *
+ * Get the sequence's length's field path.
+ *
+ * @param type Field type.
+ *
+ * Returns the field path on success, NULL on error or if no field path is set.
+ */
+extern struct bt_ctf_field_path *bt_ctf_field_type_sequence_get_length_field_path(
+ struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_compare: compare two field types recursively
+ *
+ * Compare two field types recursively.
+ *
+ * The registered tag field type of a variant field type is ignored:
+ * only the tag strings are compared.
+ *
+ * @param type_a Field type A.
+ * @param type_b Field type B.
+ *
+ * Returns 0 if both field types are semantically equivalent, a positive
+ * value if they are not equivalent, or a negative value on error.
+ */
+extern int bt_ctf_field_type_compare(struct bt_ctf_field_type *type_a,
+ struct bt_ctf_field_type *type_b);
+
+/*
+ * bt_ctf_field_type_get_type_id: get a field type's bt_ctf_type_id.
+ *
+ * @param type Field type.
+ *
+ * Returns the field type's bt_ctf_type_id, CTF_TYPE_UNKNOWN on error.
+ */
+extern enum bt_ctf_type_id bt_ctf_field_type_get_type_id(
+ struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_is_integer: returns whether or not a given field
+ * type is an integer type.
+ *
+ * @param type Field type.
+ *
+ * Returns 1 if the field type is an integer type, 0 otherwise.
+ */
+extern int bt_ctf_field_type_is_integer(struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_is_floating_point: returns whether or not a given field
+ * type is a floating point number type.
+ *
+ * @param type Field type.
+ *
+ * Returns 1 if the field type is a floating point number type, 0 otherwise.
+ */
+extern int bt_ctf_field_type_is_floating_point(struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_is_enumeration: returns whether or not a given field
+ * type is an enumeration type.
+ *
+ * @param type Field type.
+ *
+ * Returns 1 if the field type is an enumeration type, 0 otherwise.
+ */
+extern int bt_ctf_field_type_is_enumeration(struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_is_string: returns whether or not a given field
+ * type is a string type.
+ *
+ * @param type Field type.
+ *
+ * Returns 1 if the field type is a string type, 0 otherwise.
+ */
+extern int bt_ctf_field_type_is_string(struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_is_structure: returns whether or not a given field
+ * type is a structure type.
+ *
+ * @param type Field type.
+ *
+ * Returns 1 if the field type is a structure type, 0 otherwise.
+ */
+extern int bt_ctf_field_type_is_structure(struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_is_array: returns whether or not a given field
+ * type is an array type.
+ *
+ * @param type Field type.
+ *
+ * Returns 1 if the field type is an array type, 0 otherwise.
+ */
+extern int bt_ctf_field_type_is_array(struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_is_sequence: returns whether or not a given field
+ * type is a sequence type.
+ *
+ * @param type Field type.
+ *
+ * Returns 1 if the field type is a sequence type, 0 otherwise.
+ */
+extern int bt_ctf_field_type_is_sequence(struct bt_ctf_field_type *type);
+
+/*
+ * bt_ctf_field_type_is_variant: returns whether or not a given field
+ * type is a variant type.
+ *
+ * @param type Field type.
+ *
+ * Returns 1 if the field type is a variant type, 0 otherwise.
+ */
+extern int bt_ctf_field_type_is_variant(struct bt_ctf_field_type *type);
+
/*
* bt_ctf_field_type_get and bt_ctf_field_type_put: increment and decrement
* the field type's reference count.
*
+ * You may also use bt_ctf_get() and bt_ctf_put() with field type objects.
+ *
* These functions ensure that the field type won't be destroyed while it
* is in use. The same number of get and put (plus one extra put to
* release the initial reference done at creation) have to be done to
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