X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-ir%2Ffields.h;h=8578b5185d151d11a3b9032e8891c981896b98b8;hb=1487a16a42ca7be6b85ef210644d9ac398d7c0dd;hp=2ce3b633745ecfa712f125894697353dd2b1d7a0;hpb=5c3f3b7ee3f3eb7a781266f660da3c9bb523277d;p=babeltrace.git

diff --git a/include/babeltrace/ctf-ir/fields.h b/include/babeltrace/ctf-ir/fields.h
index 2ce3b633..8578b518 100644
--- a/include/babeltrace/ctf-ir/fields.h
+++ b/include/babeltrace/ctf-ir/fields.h
@@ -88,9 +88,12 @@ yet:
 - bt_ctf_field_sequence_get_field()
 - bt_ctf_field_variant_get_field()
 
+If you already have a field object, you can also assign it to a specific
+name within a @structfield with bt_ctf_field_structure_set_field().
+
 You can get a reference to the @ft which was used to create a field with
 bt_ctf_field_get_type(). You can get the
-\link #bt_ctf_type_id type ID\endlink of this field type directly with
+\link #bt_ctf_field_type_id type ID\endlink of this field type directly with
 bt_ctf_field_get_type_id().
 
 You can get a deep copy of a field with bt_ctf_field_copy(). The field
@@ -184,12 +187,12 @@ extern struct bt_ctf_field_type *bt_ctf_field_get_type(
 @param[in] field	Field of which to get the type ID of its
 			parent field type..
 @returns		Type ID of the parent field type of \p field,
-			or #BT_CTF_TYPE_ID_UNKNOWN on error.
+			or #BT_CTF_FIELD_TYPE_ID_UNKNOWN on error.
 
 @prenotnull{field}
 @postrefcountsame{field}
 
-@sa #bt_ctf_type_id: CTF IR field type ID.
+@sa #bt_ctf_field_type_id: CTF IR field type ID.
 @sa bt_ctf_field_is_integer(): Returns whether or not a given field is a
 	@intfield.
 @sa bt_ctf_field_is_floating_point(): Returns whether or not a given
@@ -207,7 +210,7 @@ extern struct bt_ctf_field_type *bt_ctf_field_get_type(
 @sa bt_ctf_field_is_variant(): Returns whether or not a given field is a
 	@varfield.
 */
-extern enum bt_ctf_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field);
+extern enum bt_ctf_field_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field);
 
 /*
  * bt_ctf_field_signed_integer_get_value: get a signed integer field's value
@@ -824,7 +827,9 @@ different @fts, and which is described by a @structft.
 
 To set the value of a specific field of a structure field, you need to
 first get the field with bt_ctf_field_structure_get_field() or
-bt_ctf_field_structure_get_field_by_index().
+bt_ctf_field_structure_get_field_by_index(). If you already have a
+field object, you can assign it to a specific name within a structure
+field with bt_ctf_field_structure_set_field().
 
 @sa ctfirstructfieldtype
 @sa ctfirfields
@@ -854,6 +859,8 @@ exist.
 
 @sa bt_ctf_field_structure_get_field_by_index(): Returns the field of a
 	given structure field by index.
+@sa bt_ctf_field_structure_set_field(): Sets the field of a given
+	structure field.
 */
 extern struct bt_ctf_field *bt_ctf_field_structure_get_field(
 		struct bt_ctf_field *struct_field, const char *name);
@@ -878,10 +885,55 @@ extern struct bt_ctf_field *bt_ctf_field_structure_get_field(
 
 @sa bt_ctf_field_structure_get_field(): Returns the field of a
 	given structure field by name.
+@sa bt_ctf_field_structure_set_field(): Sets the field of a given
+	structure field.
 */
 extern struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index(
 		struct bt_ctf_field *struct_field, int index);
 
+/**
+@brief	Sets the field of the @structfield \p struct_field named \p name
+	to the @field \p field.
+
+If \p struct_field already contains a field named \p name, then its
+reference count is decremented, and \p field replaces it.
+
+The field type of \p field, as returned by bt_ctf_field_get_type(),
+\em must be equivalent to the field type returned by
+bt_ctf_field_type_structure_get_field_type_by_name() with the field
+type of \p struct_field and the same name, \p name.
+
+bt_ctf_trace_get_packet_header_type() for the parent trace class of
+\p packet.
+
+@param[in] struct_field	Structure field of which to set the field
+			named \p name.
+@param[in] name		Name of the field to set in \p struct_field.
+@param[in] field	Field named \p name to set in \p struct_field.
+@returns		0 on success, or -1 on error.
+
+@prenotnull{struct_field}
+@prenotnull{name}
+@prenotnull{field}
+@prehot{struct_field}
+@preisstructfield{struct_field}
+@pre \p field has a field type equivalent to the field type returned by
+	bt_ctf_field_type_structure_get_field_type_by_name() for the
+	field type of \p struct_field with the name \p name.
+@postrefcountsame{struct_field}
+@post <strong>On success, if there's an existing field in
+	\p struct_field named \p name</strong>, its reference count is
+	decremented.
+@postsuccessrefcountinc{field}
+
+@sa bt_ctf_field_structure_get_field_by_index(): Returns the field of a
+	given structure field by index.
+@sa bt_ctf_field_structure_get_field(): Returns the field of a
+	given structure field by name.
+*/
+extern int bt_ctf_field_structure_set_field(struct bt_ctf_field *struct_field,
+		const char *name, struct bt_ctf_field *field);
+
 /** @} */
 
 /**