cfs = container_of(event->stream, const struct ctf_file_stream,
parent);
trace = cfs->parent.stream_class->trace;
- if (trace->ctx)
- ret = trace->ctx;
+ if (trace->parent.ctx)
+ ret = trace->parent.ctx;
return ret;
}
cfs = container_of(event->stream, const struct ctf_file_stream,
parent);
trace = cfs->parent.stream_class->trace;
- if (trace->handle)
- ret = trace->handle->id;
+ if (trace->parent.handle)
+ ret = trace->parent.handle->id;
return ret;
}
return ret;
}
+double bt_ctf_get_float(const struct bt_definition *field)
+{
+ double ret = 0.0;
+
+ if (field && bt_ctf_field_type(bt_ctf_get_decl_from_def(field)) == CTF_TYPE_FLOAT) {
+ ret = bt_get_float(field);
+ } else {
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
+const struct bt_definition *bt_ctf_get_variant(const struct bt_definition *field)
+{
+ const struct bt_definition *ret = NULL;
+
+ if (field && bt_ctf_field_type(
+ bt_ctf_get_decl_from_def(field)) == CTF_TYPE_VARIANT) {
+ struct definition_variant *variant = container_of(field,
+ struct definition_variant, p);
+
+ ret = bt_variant_get_current_field(variant);
+ } else {
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
+uint64_t bt_ctf_get_struct_field_count(const struct bt_definition *field)
+{
+ uint64_t ret = -1;
+ const struct bt_declaration *declaration =
+ bt_ctf_get_decl_from_def(field);
+
+ if (field && bt_ctf_field_type(declaration) == CTF_TYPE_STRUCT) {
+ const struct declaration_struct *struct_declaration =
+ container_of(declaration, struct declaration_struct, p);
+
+ ret = bt_struct_declaration_len(struct_declaration);
+ } else {
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
+const struct bt_definition *bt_ctf_get_struct_field_index(
+ const struct bt_definition *field, uint64_t i)
+{
+ const struct bt_definition *ret = NULL;
+
+ if (field && bt_ctf_field_type(
+ bt_ctf_get_decl_from_def(field)) == CTF_TYPE_STRUCT &&
+ i < bt_ctf_get_struct_field_count(field)) {
+ const struct definition_struct *structure = container_of(
+ field, struct definition_struct, p);
+
+ ret = bt_struct_definition_get_field_from_index(structure, i);
+ }
+
+ if (!ret) {
+ bt_ctf_field_set_error(-EINVAL);
+ }
+
+ return ret;
+}
+
int bt_ctf_get_event_decl_list(int handle_id, struct bt_context *ctx,
struct bt_ctf_event_decl * const **list,
unsigned int *count)
gpointer *ret_list = NULL;
GPtrArray *fields_array = NULL;
int ret = 0;
- *count = 0;
if (!event_decl || !list || !count)
return -EINVAL;
+ *count = 0;
switch (scope) {
case BT_EVENT_CONTEXT:
if (event_decl->context_decl) {