Fix: access field properties by declaration

[babeltrace.git] / include / babeltrace / ctf / events.h

diff --git a/include/babeltrace/ctf/events.h b/include/babeltrace/ctf/events.h
index c34ae9a4f549328dbbb095fb8e392e40f25a396e..e63bae13d92efd293d8dc569e61e707497fe1699 100644 (file)
--- a/include/babeltrace/ctf/events.h
+++ b/include/babeltrace/ctf/events.h
@@ -27,7 +27,12 @@
 #include <babeltrace/context.h>
 #include <babeltrace/clock-types.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct definition;
+struct declaration;
 struct bt_ctf_event;
 struct bt_ctf_event_decl;
 struct bt_ctf_field_decl;
@@ -141,10 +146,16 @@ const struct definition *bt_ctf_get_index(const struct bt_ctf_event *event,
  */
 const char *bt_ctf_field_name(const struct definition *def);
 
+/*
+ * bt_ctf_get_field_decl: return the declaration of a field or NULL
+ * on error
+ */
+const struct declaration *bt_ctf_get_field_decl(const struct definition *def);
+
 /*
  * bt_ctf_field_type: returns the type of a field or -1 if unknown
  */
-enum ctf_type_id bt_ctf_field_type(const struct definition *def);
+enum ctf_type_id bt_ctf_field_type(const struct declaration *decl);
 
 /*
  * bt_ctf_get_int_signedness: return the signedness of an integer
@@ -153,36 +164,36 @@ enum ctf_type_id bt_ctf_field_type(const struct definition *def);
  * return 1 if signed
  * return -1 on error
  */
-int bt_ctf_get_int_signedness(const struct definition *field);
+int bt_ctf_get_int_signedness(const struct declaration *decl);
 
 /*
  * bt_ctf_get_int_base: return the base of an int or a negative value on error
  */
-int bt_ctf_get_int_base(const struct definition *field);
+int bt_ctf_get_int_base(const struct declaration *decl);
 
 /*
  * bt_ctf_get_int_byte_order: return the byte order of an int or a negative
  * value on error
  */
-int bt_ctf_get_int_byte_order(const struct definition *field);
+int bt_ctf_get_int_byte_order(const struct declaration *decl);
 
 /*
  * bt_ctf_get_int_len: return the size, in bits, of an int or a negative
  * value on error
  */
-ssize_t bt_ctf_get_int_len(const struct definition *field);
+ssize_t bt_ctf_get_int_len(const struct declaration *decl);
 
 /*
  * bt_ctf_get_encoding: return the encoding of an int or a string.
  * return a negative value on error
  */
-enum ctf_string_encoding bt_ctf_get_encoding(const struct definition *field);
+enum ctf_string_encoding bt_ctf_get_encoding(const struct declaration *decl);
 
 /*
  * bt_ctf_get_array_len: return the len of an array or a negative
  * value on error
  */
-int bt_ctf_get_array_len(const struct definition *field);
+int bt_ctf_get_array_len(const struct declaration *decl);
 
 /*
  * Field access functions
@@ -243,4 +254,8 @@ int bt_ctf_get_decl_fields(struct bt_ctf_event_decl *event_decl,
  */
 const char *bt_ctf_get_decl_field_name(const struct bt_ctf_field_decl *field);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _BABELTRACE_CTF_EVENTS_H */